--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+
+#include "include/compat.h"
+
+#include <iostream>
+#include <sstream>
+using namespace std;
+
+
+#include "common/config.h"
+#include "SyntheticClient.h"
+#include "osdc/Objecter.h"
+#include "osdc/Filer.h"
+
+
+#include "include/filepath.h"
+#include "common/perf_counters.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <utime.h>
+#include <math.h>
+#include <sys/statvfs.h>
+
+#include "common/errno.h"
+#include "include/assert.h"
+#include "include/cephfs/ceph_statx.h"
+
+#define dout_context g_ceph_context
+#define dout_subsys ceph_subsys_client
+#undef dout_prefix
+#define dout_prefix *_dout << "client." << (whoami >= 0 ? whoami:client->get_nodeid()) << " "
+
+// traces
+//void trace_include(SyntheticClient *syn, Client *cl, string& prefix);
+//void trace_openssh(SyntheticClient *syn, Client *cl, string& prefix);
+
+int num_client = 1;
+list<int> syn_modes;
+list<int> syn_iargs;
+list<string> syn_sargs;
+int syn_filer_flags = 0;
+
+void parse_syn_options(vector<const char*>& args)
+{
+ vector<const char*> nargs;
+
+ for (unsigned i=0; i<args.size(); i++) {
+ if (strcmp(args[i],"--num-client") == 0) {
+ num_client = atoi(args[++i]);
+ continue;
+ }
+ if (strcmp(args[i],"--syn") == 0) {
+ ++i;
+
+ if (strcmp(args[i], "mksnap") == 0) {
+ syn_modes.push_back(SYNCLIENT_MODE_MKSNAP);
+ syn_sargs.push_back(args[++i]); // path
+ syn_sargs.push_back(args[++i]); // name
+ }
+ else if (strcmp(args[i], "rmsnap") == 0) {
+ syn_modes.push_back(SYNCLIENT_MODE_RMSNAP);
+ syn_sargs.push_back(args[++i]); // path
+ syn_sargs.push_back(args[++i]); // name
+ } else if (strcmp(args[i], "mksnapfile") == 0) {
+ syn_modes.push_back(SYNCLIENT_MODE_MKSNAPFILE);
+ syn_sargs.push_back(args[++i]); // path
+ } else if (strcmp(args[i],"rmfile") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_RMFILE );
+ } else if (strcmp(args[i],"writefile") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_WRITEFILE );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"wrshared") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_WRSHARED );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"writebatch") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_WRITEBATCH );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"readfile") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_READFILE );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"readwriterandom") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_RDWRRANDOM );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"readwriterandom_ex") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_RDWRRANDOM_EX );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"overloadosd0") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_OVERLOAD_OSD_0 );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"readshared") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_READSHARED );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"rw") == 0) {
+ int a = atoi(args[++i]);
+ int b = atoi(args[++i]);
+ syn_modes.push_back( SYNCLIENT_MODE_WRITEFILE );
+ syn_iargs.push_back( a );
+ syn_iargs.push_back( b );
+ syn_modes.push_back( SYNCLIENT_MODE_READFILE );
+ syn_iargs.push_back( a );
+ syn_iargs.push_back( b );
+ } else if (strcmp(args[i],"dumpplacement") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_DUMP );
+ syn_sargs.push_back( args[++i] );
+ } else if (strcmp(args[i],"dropcache") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_DROPCACHE );
+ } else if (strcmp(args[i],"makedirs") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_MAKEDIRS );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"makedirmess") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_MAKEDIRMESS );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"statdirs") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_STATDIRS );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"readdirs") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_READDIRS );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"makefiles") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_MAKEFILES );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"makefiles2") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_MAKEFILES2 );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"linktest") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_LINKTEST );
+ } else if (strcmp(args[i],"createshared") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_CREATESHARED );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"openshared") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_OPENSHARED );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"createobjects") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_CREATEOBJECTS );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"objectrw") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_OBJECTRW );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"walk") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_FULLWALK );
+ //syn_sargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"randomwalk") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_RANDOMWALK );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"trace") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_TRACE );
+ syn_sargs.push_back( args[++i] );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back(1);// data
+ } else if (strcmp(args[i],"mtrace") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_TRACE );
+ syn_sargs.push_back( args[++i] );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back(0);// no data
+ } else if (strcmp(args[i],"thrashlinks") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_THRASHLINKS );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"foo") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_FOO );
+ } else if (strcmp(args[i],"until") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_UNTIL );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"sleepuntil") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_SLEEPUNTIL );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"only") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_ONLY );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"onlyrange") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_ONLYRANGE );
+ syn_iargs.push_back( atoi(args[++i]) );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"sleep") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_SLEEP );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"randomsleep") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_RANDOMSLEEP );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"opentest") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_OPENTEST );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"optest") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_OPTEST );
+ syn_iargs.push_back( atoi(args[++i]) );
+ } else if (strcmp(args[i],"truncate") == 0) {
+ syn_modes.push_back( SYNCLIENT_MODE_TRUNCATE );
+ syn_sargs.push_back(args[++i]);
+ syn_iargs.push_back(atoi(args[++i]));
+ } else if (strcmp(args[i],"importfind") == 0) {
+ syn_modes.push_back(SYNCLIENT_MODE_IMPORTFIND);
+ syn_sargs.push_back(args[++i]);
+ syn_sargs.push_back(args[++i]);
+ syn_iargs.push_back(atoi(args[++i]));
+ } else if (strcmp(args[i], "lookuphash") == 0) {
+ syn_modes.push_back(SYNCLIENT_MODE_LOOKUPHASH);
+ syn_sargs.push_back(args[++i]);
+ syn_sargs.push_back(args[++i]);
+ syn_sargs.push_back(args[++i]);
+ } else if (strcmp(args[i], "lookupino") == 0) {
+ syn_modes.push_back(SYNCLIENT_MODE_LOOKUPINO);
+ syn_sargs.push_back(args[++i]);
+ } else if (strcmp(args[i], "chunkfile") == 0) {
+ syn_modes.push_back(SYNCLIENT_MODE_CHUNK);
+ syn_sargs.push_back(args[++i]);
+ } else {
+ cerr << "unknown syn arg " << args[i] << std::endl;
+ ceph_abort();
+ }
+ }
+ else if (strcmp(args[i], "localize_reads") == 0) {
+ cerr << "set CEPH_OSD_FLAG_LOCALIZE_READS" << std::endl;
+ syn_filer_flags |= CEPH_OSD_FLAG_LOCALIZE_READS;
+ }
+ else {
+ nargs.push_back(args[i]);
+ }
+ }
+
+ args = nargs;
+}
+
+
+SyntheticClient::SyntheticClient(StandaloneClient *client, int w)
+{
+ this->client = client;
+ whoami = w;
+ thread_id = 0;
+
+ did_readdir = false;
+
+ run_only = -1;
+ exclude = -1;
+
+ this->modes = syn_modes;
+ this->iargs = syn_iargs;
+ this->sargs = syn_sargs;
+
+ run_start = ceph_clock_now();
+}
+
+
+
+
+#define DBL 2
+
+void *synthetic_client_thread_entry(void *ptr)
+{
+ SyntheticClient *sc = static_cast<SyntheticClient*>(ptr);
+ //int r =
+ sc->run();
+ return 0;//(void*)r;
+}
+
+string SyntheticClient::get_sarg(int seq)
+{
+ string a;
+ if (!sargs.empty()) {
+ a = sargs.front();
+ sargs.pop_front();
+ }
+ if (a.length() == 0 || a == "~") {
+ char s[30];
+ snprintf(s, sizeof(s), "syn.%lld.%d", (long long)client->whoami.v, seq);
+ a = s;
+ }
+ return a;
+}
+
+int SyntheticClient::run()
+{
+ UserPerm perms = client->pick_my_perms();
+ dout(15) << "initing" << dendl;
+ int err = client->init();
+ if (err < 0) {
+ dout(0) << "failed to initialize: " << cpp_strerror(err) << dendl;
+ return -1;
+ }
+
+ dout(15) << "mounting" << dendl;
+ err = client->mount("", perms);
+ if (err < 0) {
+ dout(0) << "failed to mount: " << cpp_strerror(err) << dendl;
+ client->shutdown();
+ return -1;
+ }
+
+ //run_start = ceph_clock_now(client->cct);
+ run_until = utime_t(0,0);
+ dout(5) << "run" << dendl;
+
+ int seq = 0;
+
+ for (list<int>::iterator it = modes.begin();
+ it != modes.end();
+ ++it) {
+ int mode = *it;
+ dout(3) << "mode " << mode << dendl;
+
+ switch (mode) {
+
+
+ // WHO?
+
+ case SYNCLIENT_MODE_ONLY:
+ {
+ run_only = iargs.front();
+ iargs.pop_front();
+ if (run_only == client->get_nodeid())
+ dout(2) << "only " << run_only << dendl;
+ }
+ break;
+ case SYNCLIENT_MODE_ONLYRANGE:
+ {
+ int first = iargs.front();
+ iargs.pop_front();
+ int last = iargs.front();
+ iargs.pop_front();
+ if (first <= client->get_nodeid() &&
+ last > client->get_nodeid()) {
+ run_only = client->get_nodeid();
+ dout(2) << "onlyrange [" << first << ", " << last << ") includes me" << dendl;
+ } else
+ run_only = client->get_nodeid().v+1; // not me
+ }
+ break;
+ case SYNCLIENT_MODE_EXCLUDE:
+ {
+ exclude = iargs.front();
+ iargs.pop_front();
+ if (exclude == client->get_nodeid()) {
+ run_only = client->get_nodeid().v + 1;
+ dout(2) << "not running " << exclude << dendl;
+ } else
+ run_only = -1;
+ }
+ break;
+
+ // HOW LONG?
+
+ case SYNCLIENT_MODE_UNTIL:
+ {
+ int iarg1 = iargs.front();
+ iargs.pop_front();
+ if (run_me()) {
+ if (iarg1) {
+ dout(2) << "until " << iarg1 << dendl;
+ utime_t dur(iarg1,0);
+ run_until = run_start + dur;
+ } else {
+ dout(2) << "until " << iarg1 << " (no limit)" << dendl;
+ run_until = utime_t(0,0);
+ }
+ }
+ }
+ break;
+
+
+ // ...
+
+ case SYNCLIENT_MODE_FOO:
+ if (run_me()) {
+ foo();
+ }
+ did_run_me();
+ break;
+
+ case SYNCLIENT_MODE_RANDOMSLEEP:
+ {
+ int iarg1 = iargs.front();
+ iargs.pop_front();
+ if (run_me()) {
+ srand(time(0) + getpid() + client->whoami.v);
+ sleep(rand() % iarg1);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_SLEEP:
+ {
+ int iarg1 = iargs.front();
+ iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "sleep " << iarg1 << dendl;
+ sleep(iarg1);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_SLEEPUNTIL:
+ {
+ int iarg1 = iargs.front();
+ iargs.pop_front();
+ if (iarg1 && run_me()) {
+ dout(2) << "sleepuntil " << iarg1 << dendl;
+ utime_t at = ceph_clock_now() - run_start;
+ if (at.sec() < iarg1)
+ sleep(iarg1 - at.sec());
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_RANDOMWALK:
+ {
+ int iarg1 = iargs.front();
+ iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "randomwalk " << iarg1 << dendl;
+ random_walk(iarg1);
+ }
+ did_run_me();
+ }
+ break;
+
+
+ case SYNCLIENT_MODE_DROPCACHE:
+ {
+ client->sync_fs();
+ client->drop_caches();
+ }
+ break;
+
+ case SYNCLIENT_MODE_DUMP:
+ {
+ string sarg1 = get_sarg(0);
+ if (run_me()) {
+ dout(2) << "placement dump " << sarg1 << dendl;
+ dump_placement(sarg1);
+ }
+ did_run_me();
+ }
+ break;
+
+
+ case SYNCLIENT_MODE_MAKEDIRMESS:
+ {
+ string sarg1 = get_sarg(0);
+ int iarg1 = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "makedirmess " << sarg1 << " " << iarg1 << dendl;
+ make_dir_mess(sarg1.c_str(), iarg1);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_MAKEDIRS:
+ {
+ string sarg1 = get_sarg(seq++);
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+ int iarg3 = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "makedirs " << sarg1 << " " << iarg1 << " " << iarg2 << " " << iarg3 << dendl;
+ make_dirs(sarg1.c_str(), iarg1, iarg2, iarg3);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_STATDIRS:
+ {
+ string sarg1 = get_sarg(0);
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+ int iarg3 = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "statdirs " << sarg1 << " " << iarg1 << " " << iarg2 << " " << iarg3 << dendl;
+ stat_dirs(sarg1.c_str(), iarg1, iarg2, iarg3);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_READDIRS:
+ {
+ string sarg1 = get_sarg(0);
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+ int iarg3 = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "readdirs " << sarg1 << " " << iarg1 << " " << iarg2 << " " << iarg3 << dendl;
+ read_dirs(sarg1.c_str(), iarg1, iarg2, iarg3);
+ }
+ did_run_me();
+ }
+ break;
+
+
+ case SYNCLIENT_MODE_THRASHLINKS:
+ {
+ string sarg1 = get_sarg(0);
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+ int iarg3 = iargs.front(); iargs.pop_front();
+ int iarg4 = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "thrashlinks " << sarg1 << " " << iarg1 << " " << iarg2 << " " << iarg3 << dendl;
+ thrash_links(sarg1.c_str(), iarg1, iarg2, iarg3, iarg4);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_LINKTEST:
+ {
+ if (run_me()) {
+ link_test();
+ }
+ did_run_me();
+ }
+ break;
+
+
+ case SYNCLIENT_MODE_MAKEFILES:
+ {
+ int num = iargs.front(); iargs.pop_front();
+ int count = iargs.front(); iargs.pop_front();
+ int priv = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "makefiles " << num << " " << count << " " << priv << dendl;
+ make_files(num, count, priv, false);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_MAKEFILES2:
+ {
+ int num = iargs.front(); iargs.pop_front();
+ int count = iargs.front(); iargs.pop_front();
+ int priv = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "makefiles2 " << num << " " << count << " " << priv << dendl;
+ make_files(num, count, priv, true);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_CREATESHARED:
+ {
+ string sarg1 = get_sarg(0);
+ int num = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "createshared " << num << dendl;
+ create_shared(num);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_OPENSHARED:
+ {
+ string sarg1 = get_sarg(0);
+ int num = iargs.front(); iargs.pop_front();
+ int count = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "openshared " << num << dendl;
+ open_shared(num, count);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_CREATEOBJECTS:
+ {
+ int count = iargs.front(); iargs.pop_front();
+ int size = iargs.front(); iargs.pop_front();
+ int inflight = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "createobjects " << count << " of " << size << " bytes"
+ << ", " << inflight << " in flight" << dendl;
+ create_objects(count, size, inflight);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_OBJECTRW:
+ {
+ int count = iargs.front(); iargs.pop_front();
+ int size = iargs.front(); iargs.pop_front();
+ int wrpc = iargs.front(); iargs.pop_front();
+ int overlap = iargs.front(); iargs.pop_front();
+ int rskew = iargs.front(); iargs.pop_front();
+ int wskew = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ dout(2) << "objectrw " << count << " " << size << " " << wrpc
+ << " " << overlap << " " << rskew << " " << wskew << dendl;
+ object_rw(count, size, wrpc, overlap, rskew, wskew);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_FULLWALK:
+ {
+ string sarg1;// = get_sarg(0);
+ if (run_me()) {
+ dout(2) << "fullwalk" << sarg1 << dendl;
+ full_walk(sarg1);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_REPEATWALK:
+ {
+ string sarg1 = get_sarg(0);
+ if (run_me()) {
+ dout(2) << "repeatwalk " << sarg1 << dendl;
+ while (full_walk(sarg1) == 0) ;
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_RMFILE:
+ {
+ string sarg1 = get_sarg(0);
+ if (run_me()) {
+ rm_file(sarg1);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_WRITEFILE:
+ {
+ string sarg1 = get_sarg(0);
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+ dout(1) << "WRITING SYN CLIENT" << dendl;
+ if (run_me()) {
+ write_file(sarg1, iarg1, iarg2);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_CHUNK:
+ if (run_me()) {
+ string sarg1 = get_sarg(0);
+ chunk_file(sarg1);
+ }
+ did_run_me();
+ break;
+
+
+ case SYNCLIENT_MODE_OVERLOAD_OSD_0:
+ {
+ dout(1) << "OVERLOADING OSD 0" << dendl;
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+ int iarg3 = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ overload_osd_0(iarg1, iarg2, iarg3);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_WRSHARED:
+ {
+ string sarg1 = "shared";
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ write_file(sarg1, iarg1, iarg2);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_READSHARED:
+ {
+ string sarg1 = "shared";
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ read_file(sarg1, iarg1, iarg2, true);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_WRITEBATCH:
+ {
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+ int iarg3 = iargs.front(); iargs.pop_front();
+
+ if (run_me()) {
+ write_batch(iarg1, iarg2, iarg3);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_READFILE:
+ {
+ string sarg1 = get_sarg(0);
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+
+ dout(1) << "READING SYN CLIENT" << dendl;
+ if (run_me()) {
+ read_file(sarg1, iarg1, iarg2);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_RDWRRANDOM:
+ {
+ string sarg1 = get_sarg(0);
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+
+ dout(1) << "RANDOM READ WRITE SYN CLIENT" << dendl;
+ if (run_me()) {
+ read_random(sarg1, iarg1, iarg2);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_RDWRRANDOM_EX:
+ {
+ string sarg1 = get_sarg(0);
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int iarg2 = iargs.front(); iargs.pop_front();
+
+ dout(1) << "RANDOM READ WRITE SYN CLIENT" << dendl;
+ if (run_me()) {
+ read_random_ex(sarg1, iarg1, iarg2);
+ }
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_TRACE:
+ {
+ string tfile = get_sarg(0);
+ sargs.push_front(string("~"));
+ int iarg1 = iargs.front(); iargs.pop_front();
+ int playdata = iargs.front(); iargs.pop_front();
+ string prefix = get_sarg(0);
+ char realtfile[100];
+ snprintf(realtfile, sizeof(realtfile), tfile.c_str(), (int)client->get_nodeid().v);
+
+ if (run_me()) {
+ dout(0) << "trace " << tfile << " prefix=" << prefix << " count=" << iarg1 << " data=" << playdata << dendl;
+
+ Trace t(realtfile);
+
+ if (iarg1 == 0) iarg1 = 1; // play trace at least once!
+
+ for (int i=0; i<iarg1; i++) {
+ utime_t start = ceph_clock_now();
+
+ if (time_to_stop()) break;
+ play_trace(t, prefix, !playdata);
+ if (time_to_stop()) break;
+ if (iarg1 > 1) clean_dir(prefix); // clean only if repeat
+
+ utime_t lat = ceph_clock_now();
+ lat -= start;
+
+ dout(0) << " trace " << tfile << " loop " << (i+1) << "/" << iarg1 << " done in " << (double)lat << " seconds" << dendl;
+ if (client->logger
+ && i > 0
+ && i < iarg1-1
+ ) {
+ //client->logger->finc("trsum", (double)lat);
+ //client->logger->inc("trnum");
+ }
+ }
+ dout(1) << "done " << dendl;
+ }
+ did_run_me();
+ }
+ break;
+
+
+ case SYNCLIENT_MODE_OPENTEST:
+ {
+ int count = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ for (int i=0; i<count; i++) {
+ int fd = client->open("test", (rand()%2) ?
+ (O_WRONLY|O_CREAT) : O_RDONLY,
+ perms);
+ if (fd > 0) client->close(fd);
+ }
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_OPTEST:
+ {
+ int count = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ client->mknod("test", 0777, perms);
+ struct stat st;
+ for (int i=0; i<count; i++) {
+ client->lstat("test", &st, perms);
+ client->chmod("test", 0777, perms);
+ }
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_TRUNCATE:
+ {
+ string file = get_sarg(0);
+ sargs.push_front(file);
+ int iarg1 = iargs.front(); iargs.pop_front();
+ if (run_me()) {
+ client->truncate(file.c_str(), iarg1, perms);
+ }
+ did_run_me();
+ }
+ break;
+
+
+ case SYNCLIENT_MODE_IMPORTFIND:
+ {
+ string base = get_sarg(0);
+ string find = get_sarg(0);
+ int data = get_iarg();
+ if (run_me()) {
+ import_find(base.c_str(), find.c_str(), data);
+ }
+ did_run_me();
+ }
+ break;
+
+ case SYNCLIENT_MODE_LOOKUPHASH:
+ {
+ inodeno_t ino;
+ string iname = get_sarg(0);
+ sscanf(iname.c_str(), "%llx", (long long unsigned*)&ino.val);
+ inodeno_t dirino;
+ string diname = get_sarg(0);
+ sscanf(diname.c_str(), "%llx", (long long unsigned*)&dirino.val);
+ string name = get_sarg(0);
+ if (run_me()) {
+ lookup_hash(ino, dirino, name.c_str(), perms);
+ }
+ }
+ break;
+ case SYNCLIENT_MODE_LOOKUPINO:
+ {
+ inodeno_t ino;
+ string iname = get_sarg(0);
+ sscanf(iname.c_str(), "%llx", (long long unsigned*)&ino.val);
+ if (run_me()) {
+ lookup_ino(ino, perms);
+ }
+ }
+ break;
+
+ case SYNCLIENT_MODE_MKSNAP:
+ {
+ string base = get_sarg(0);
+ string name = get_sarg(0);
+ if (run_me())
+ mksnap(base.c_str(), name.c_str(), perms);
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_RMSNAP:
+ {
+ string base = get_sarg(0);
+ string name = get_sarg(0);
+ if (run_me())
+ rmsnap(base.c_str(), name.c_str(), perms);
+ did_run_me();
+ }
+ break;
+ case SYNCLIENT_MODE_MKSNAPFILE:
+ {
+ string base = get_sarg(0);
+ if (run_me())
+ mksnapfile(base.c_str());
+ did_run_me();
+ }
+ break;
+
+ default:
+ ceph_abort();
+ }
+ }
+ dout(1) << "syn done, unmounting " << dendl;
+
+ client->unmount();
+ client->shutdown();
+ return 0;
+}
+
+
+int SyntheticClient::start_thread()
+{
+ assert(!thread_id);
+
+ pthread_create(&thread_id, NULL, synthetic_client_thread_entry, this);
+ assert(thread_id);
+ ceph_pthread_setname(thread_id, "client");
+ return 0;
+}
+
+int SyntheticClient::join_thread()
+{
+ assert(thread_id);
+ void *rv;
+ pthread_join(thread_id, &rv);
+ return 0;
+}
+
+
+bool roll_die(float p)
+{
+ float r = (float)(rand() % 100000) / 100000.0;
+ if (r < p)
+ return true;
+ else
+ return false;
+}
+
+void SyntheticClient::init_op_dist()
+{
+ op_dist.clear();
+#if 0
+ op_dist.add( CEPH_MDS_OP_STAT, 610 );
+ op_dist.add( CEPH_MDS_OP_UTIME, 0 );
+ op_dist.add( CEPH_MDS_OP_CHMOD, 1 );
+ op_dist.add( CEPH_MDS_OP_CHOWN, 1 );
+#endif
+
+ op_dist.add( CEPH_MDS_OP_READDIR, 2 );
+ op_dist.add( CEPH_MDS_OP_MKNOD, 30 );
+ op_dist.add( CEPH_MDS_OP_LINK, 0 );
+ op_dist.add( CEPH_MDS_OP_UNLINK, 20 );
+ op_dist.add( CEPH_MDS_OP_RENAME, 40 );
+
+ op_dist.add( CEPH_MDS_OP_MKDIR, 10 );
+ op_dist.add( CEPH_MDS_OP_RMDIR, 20 );
+ op_dist.add( CEPH_MDS_OP_SYMLINK, 20 );
+
+ op_dist.add( CEPH_MDS_OP_OPEN, 200 );
+ //op_dist.add( CEPH_MDS_OP_READ, 0 );
+ //op_dist.add( CEPH_MDS_OP_WRITE, 0 );
+ //op_dist.add( CEPH_MDS_OP_TRUNCATE, 0 );
+ //op_dist.add( CEPH_MDS_OP_FSYNC, 0 );
+ //op_dist.add( CEPH_MDS_OP_RELEASE, 200 );
+ op_dist.normalize();
+}
+
+void SyntheticClient::up()
+{
+ cwd = cwd.prefixpath(cwd.depth()-1);
+ dout(DBL) << "cd .. -> " << cwd << dendl;
+ clear_dir();
+}
+
+int SyntheticClient::play_trace(Trace& t, string& prefix, bool metadata_only)
+{
+ dout(4) << "play trace prefix '" << prefix << "'" << dendl;
+ UserPerm perms = client->pick_my_perms();
+ t.start();
+
+ string buf;
+ string buf2;
+
+ utime_t start = ceph_clock_now();
+
+ ceph::unordered_map<int64_t, int64_t> open_files;
+ ceph::unordered_map<int64_t, dir_result_t*> open_dirs;
+
+ ceph::unordered_map<int64_t, Fh*> ll_files;
+ ceph::unordered_map<int64_t, dir_result_t*> ll_dirs;
+ ceph::unordered_map<uint64_t, int64_t> ll_inos;
+
+ Inode *i1, *i2;
+
+ ll_inos[1] = 1; // root inode is known.
+
+ // prefix?
+ const char *p = prefix.c_str();
+ if (prefix.length()) {
+ client->mkdir(prefix.c_str(), 0755, perms);
+ struct ceph_statx stx;
+ i1 = client->ll_get_inode(vinodeno_t(1, CEPH_NOSNAP));
+ if (client->ll_lookupx(i1, prefix.c_str(), &i2, &stx, CEPH_STATX_INO, 0, perms) == 0) {
+ ll_inos[1] = stx.stx_ino;
+ dout(5) << "'root' ino is " << inodeno_t(stx.stx_ino) << dendl;
+ client->ll_put(i1);
+ } else {
+ dout(0) << "warning: play_trace couldn't lookup up my per-client directory" << dendl;
+ }
+ } else
+ (void) client->ll_get_inode(vinodeno_t(1, CEPH_NOSNAP));
+
+ utime_t last_status = start;
+
+ int n = 0;
+
+ // for object traces
+ Mutex lock("synclient foo");
+ Cond cond;
+ bool ack;
+
+ while (!t.end()) {
+
+ if (++n == 100) {
+ n = 00;
+ utime_t now = last_status;
+ if (now - last_status > 1.0) {
+ last_status = now;
+ dout(1) << "play_trace at line " << t.get_line() << dendl;
+ }
+ }
+
+ if (time_to_stop()) break;
+
+ // op
+ const char *op = t.get_string(buf, 0);
+ dout(4) << (t.get_line()-1) << ": trace op " << op << dendl;
+
+ if (op[0] == '@') {
+ // timestamp... ignore it!
+ t.get_int(); // sec
+ t.get_int(); // usec
+ op = t.get_string(buf, 0);
+ }
+
+ // high level ops ---------------------
+ UserPerm perms = client->pick_my_perms();
+ if (strcmp(op, "link") == 0) {
+ const char *a = t.get_string(buf, p);
+ const char *b = t.get_string(buf2, p);
+ client->link(a, b, perms);
+ } else if (strcmp(op, "unlink") == 0) {
+ const char *a = t.get_string(buf, p);
+ client->unlink(a, perms);
+ } else if (strcmp(op, "rename") == 0) {
+ const char *a = t.get_string(buf, p);
+ const char *b = t.get_string(buf2, p);
+ client->rename(a,b, perms);
+ } else if (strcmp(op, "mkdir") == 0) {
+ const char *a = t.get_string(buf, p);
+ int64_t b = t.get_int();
+ client->mkdir(a, b, perms);
+ } else if (strcmp(op, "rmdir") == 0) {
+ const char *a = t.get_string(buf, p);
+ client->rmdir(a, perms);
+ } else if (strcmp(op, "symlink") == 0) {
+ const char *a = t.get_string(buf, p);
+ const char *b = t.get_string(buf2, p);
+ client->symlink(a, b, perms);
+ } else if (strcmp(op, "readlink") == 0) {
+ const char *a = t.get_string(buf, p);
+ char buf[100];
+ client->readlink(a, buf, 100, perms);
+ } else if (strcmp(op, "lstat") == 0) {
+ struct stat st;
+ const char *a = t.get_string(buf, p);
+ if (strcmp(a, p) != 0 &&
+ strcmp(a, "/") != 0 &&
+ strcmp(a, "/lib") != 0 && // or /lib.. that would be a lookup. hack.
+ a[0] != 0) // stop stating the root directory already
+ client->lstat(a, &st, perms);
+ } else if (strcmp(op, "chmod") == 0) {
+ const char *a = t.get_string(buf, p);
+ int64_t b = t.get_int();
+ client->chmod(a, b, perms);
+ } else if (strcmp(op, "chown") == 0) {
+ const char *a = t.get_string(buf, p);
+ int64_t b = t.get_int();
+ int64_t c = t.get_int();
+ client->chown(a, b, c, perms);
+ } else if (strcmp(op, "utime") == 0) {
+ const char *a = t.get_string(buf, p);
+ int64_t b = t.get_int();
+ int64_t c = t.get_int();
+ struct utimbuf u;
+ u.actime = b;
+ u.modtime = c;
+ client->utime(a, &u, perms);
+ } else if (strcmp(op, "mknod") == 0) {
+ const char *a = t.get_string(buf, p);
+ int64_t b = t.get_int();
+ int64_t c = t.get_int();
+ client->mknod(a, b, perms, c);
+ } else if (strcmp(op, "oldmknod") == 0) {
+ const char *a = t.get_string(buf, p);
+ int64_t b = t.get_int();
+ client->mknod(a, b, perms, 0);
+ } else if (strcmp(op, "getdir") == 0) {
+ const char *a = t.get_string(buf, p);
+ list<string> contents;
+ int r = client->getdir(a, contents, perms);
+ if (r < 0) {
+ dout(1) << "getdir on " << a << " returns " << r << dendl;
+ }
+ } else if (strcmp(op, "opendir") == 0) {
+ const char *a = t.get_string(buf, p);
+ int64_t b = t.get_int();
+ dir_result_t *dirp;
+ client->opendir(a, &dirp, perms);
+ if (dirp) open_dirs[b] = dirp;
+ } else if (strcmp(op, "closedir") == 0) {
+ int64_t a = t.get_int();
+ client->closedir(open_dirs[a]);
+ open_dirs.erase(a);
+ } else if (strcmp(op, "open") == 0) {
+ const char *a = t.get_string(buf, p);
+ int64_t b = t.get_int();
+ int64_t c = t.get_int();
+ int64_t d = t.get_int();
+ int64_t fd = client->open(a, b, perms, c);
+ if (fd > 0) open_files[d] = fd;
+ } else if (strcmp(op, "oldopen") == 0) {
+ const char *a = t.get_string(buf, p);
+ int64_t b = t.get_int();
+ int64_t d = t.get_int();
+ int64_t fd = client->open(a, b, perms, 0755);
+ if (fd > 0) open_files[d] = fd;
+ } else if (strcmp(op, "close") == 0) {
+ int64_t id = t.get_int();
+ int64_t fh = open_files[id];
+ if (fh > 0) client->close(fh);
+ open_files.erase(id);
+ } else if (strcmp(op, "lseek") == 0) {
+ int64_t f = t.get_int();
+ int fd = open_files[f];
+ int64_t off = t.get_int();
+ int64_t whence = t.get_int();
+ client->lseek(fd, off, whence);
+ } else if (strcmp(op, "read") == 0) {
+ int64_t f = t.get_int();
+ int64_t size = t.get_int();
+ int64_t off = t.get_int();
+ int64_t fd = open_files[f];
+ if (!metadata_only) {
+ char *b = new char[size];
+ client->read(fd, b, size, off);
+ delete[] b;
+ }
+ } else if (strcmp(op, "write") == 0) {
+ int64_t f = t.get_int();
+ int64_t fd = open_files[f];
+ int64_t size = t.get_int();
+ int64_t off = t.get_int();
+ if (!metadata_only) {
+ char *b = new char[size];
+ memset(b, 1, size); // let's write 1's!
+ client->write(fd, b, size, off);
+ delete[] b;
+ } else {
+ client->write(fd, NULL, 0, size+off);
+ }
+ } else if (strcmp(op, "truncate") == 0) {
+ const char *a = t.get_string(buf, p);
+ int64_t l = t.get_int();
+ client->truncate(a, l, perms);
+ } else if (strcmp(op, "ftruncate") == 0) {
+ int64_t f = t.get_int();
+ int fd = open_files[f];
+ int64_t l = t.get_int();
+ client->ftruncate(fd, l, perms);
+ } else if (strcmp(op, "fsync") == 0) {
+ int64_t f = t.get_int();
+ int64_t b = t.get_int();
+ int fd = open_files[f];
+ client->fsync(fd, b);
+ } else if (strcmp(op, "chdir") == 0) {
+ const char *a = t.get_string(buf, p);
+ // Client users should remember their path, but since this
+ // is just a synthetic client we ignore it.
+ std::string ignore;
+ client->chdir(a, ignore, perms);
+ } else if (strcmp(op, "statfs") == 0) {
+ struct statvfs stbuf;
+ client->statfs("/", &stbuf, perms);
+ }
+
+ // low level ops ---------------------
+ else if (strcmp(op, "ll_lookup") == 0) {
+ int64_t i = t.get_int();
+ const char *name = t.get_string(buf, p);
+ int64_t r = t.get_int();
+ struct ceph_statx stx;
+ if (ll_inos.count(i)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ if (client->ll_lookupx(i1, name, &i2, &stx, CEPH_STATX_INO, 0, perms) == 0)
+ ll_inos[r] = stx.stx_ino;
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_forget") == 0) {
+ int64_t i = t.get_int();
+ int64_t n = t.get_int();
+ if (ll_inos.count(i) &&
+ client->ll_forget(
+ client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP)), n))
+ ll_inos.erase(i);
+ } else if (strcmp(op, "ll_getattr") == 0) {
+ int64_t i = t.get_int();
+ struct stat attr;
+ if (ll_inos.count(i)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ client->ll_getattr(i1, &attr, perms);
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_setattr") == 0) {
+ int64_t i = t.get_int();
+ struct stat attr;
+ memset(&attr, 0, sizeof(attr));
+ attr.st_mode = t.get_int();
+ attr.st_uid = t.get_int();
+ attr.st_gid = t.get_int();
+ attr.st_size = t.get_int();
+ attr.st_mtime = t.get_int();
+ attr.st_atime = t.get_int();
+ int mask = t.get_int();
+ if (ll_inos.count(i)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ client->ll_setattr(i1, &attr, mask, perms);
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_readlink") == 0) {
+ int64_t i = t.get_int();
+ if (ll_inos.count(i)) {
+ char buf[PATH_MAX];
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ client->ll_readlink(i1, buf, sizeof(buf), perms);
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_mknod") == 0) {
+ int64_t i = t.get_int();
+ const char *n = t.get_string(buf, p);
+ int m = t.get_int();
+ int r = t.get_int();
+ int64_t ri = t.get_int();
+ struct stat attr;
+ if (ll_inos.count(i)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ if (client->ll_mknod(i1, n, m, r, &attr, &i2, perms) == 0)
+ ll_inos[ri] = attr.st_ino;
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_mkdir") == 0) {
+ int64_t i = t.get_int();
+ const char *n = t.get_string(buf, p);
+ int m = t.get_int();
+ int64_t ri = t.get_int();
+ struct stat attr;
+ if (ll_inos.count(i)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ if (client->ll_mkdir(i1, n, m, &attr, &i2, perms) == 0)
+ ll_inos[ri] = attr.st_ino;
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_symlink") == 0) {
+ int64_t i = t.get_int();
+ const char *n = t.get_string(buf, p);
+ const char *v = t.get_string(buf2, p);
+ int64_t ri = t.get_int();
+ struct stat attr;
+ if (ll_inos.count(i)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ if (client->ll_symlink(i1, n, v, &attr, &i2, perms) == 0)
+ ll_inos[ri] = attr.st_ino;
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_unlink") == 0) {
+ int64_t i = t.get_int();
+ const char *n = t.get_string(buf, p);
+ if (ll_inos.count(i)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ client->ll_unlink(i1, n, perms);
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_rmdir") == 0) {
+ int64_t i = t.get_int();
+ const char *n = t.get_string(buf, p);
+ if (ll_inos.count(i)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ client->ll_rmdir(i1, n, perms);
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_rename") == 0) {
+ int64_t i = t.get_int();
+ const char *n = t.get_string(buf, p);
+ int64_t ni = t.get_int();
+ const char *nn = t.get_string(buf2, p);
+ if (ll_inos.count(i) &&
+ ll_inos.count(ni)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ i2 = client->ll_get_inode(vinodeno_t(ll_inos[ni],CEPH_NOSNAP));
+ client->ll_rename(i1, n, i2, nn, perms);
+ client->ll_put(i1);
+ client->ll_put(i2);
+ }
+ } else if (strcmp(op, "ll_link") == 0) {
+ int64_t i = t.get_int();
+ int64_t ni = t.get_int();
+ const char *nn = t.get_string(buf, p);
+ if (ll_inos.count(i) &&
+ ll_inos.count(ni)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ i2 = client->ll_get_inode(vinodeno_t(ll_inos[ni],CEPH_NOSNAP));
+ client->ll_link(i1, i2, nn, perms);
+ client->ll_put(i1);
+ client->ll_put(i2);
+ }
+ } else if (strcmp(op, "ll_opendir") == 0) {
+ int64_t i = t.get_int();
+ int64_t r = t.get_int();
+ dir_result_t *dirp;
+ if (ll_inos.count(i)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ if (client->ll_opendir(i1, O_RDONLY, &dirp, perms) == 0)
+ ll_dirs[r] = dirp;
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_releasedir") == 0) {
+ int64_t f = t.get_int();
+ if (ll_dirs.count(f)) {
+ client->ll_releasedir(ll_dirs[f]);
+ ll_dirs.erase(f);
+ }
+ } else if (strcmp(op, "ll_open") == 0) {
+ int64_t i = t.get_int();
+ int64_t f = t.get_int();
+ int64_t r = t.get_int();
+ Fh *fhp;
+ if (ll_inos.count(i)) {
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ if (client->ll_open(i1, f, &fhp, perms) == 0)
+ ll_files[r] = fhp;
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_create") == 0) {
+ int64_t i = t.get_int();
+ const char *n = t.get_string(buf, p);
+ int64_t m = t.get_int();
+ int64_t f = t.get_int();
+ int64_t r = t.get_int();
+ int64_t ri = t.get_int();
+ struct stat attr;
+ if (ll_inos.count(i)) {
+ Fh *fhp;
+ i1 = client->ll_get_inode(vinodeno_t(ll_inos[i],CEPH_NOSNAP));
+ if (client->ll_create(i1, n, m, f, &attr, NULL, &fhp, perms) == 0) {
+ ll_inos[ri] = attr.st_ino;
+ ll_files[r] = fhp;
+ }
+ client->ll_put(i1);
+ }
+ } else if (strcmp(op, "ll_read") == 0) {
+ int64_t f = t.get_int();
+ int64_t off = t.get_int();
+ int64_t size = t.get_int();
+ if (ll_files.count(f) &&
+ !metadata_only) {
+ bufferlist bl;
+ client->ll_read(ll_files[f], off, size, &bl);
+ }
+ } else if (strcmp(op, "ll_write") == 0) {
+ int64_t f = t.get_int();
+ int64_t off = t.get_int();
+ int64_t size = t.get_int();
+ if (ll_files.count(f)) {
+ if (!metadata_only) {
+ bufferlist bl;
+ bufferptr bp(size);
+ bl.push_back(bp);
+ bp.zero();
+ client->ll_write(ll_files[f], off, size, bl.c_str());
+ } else {
+ client->ll_write(ll_files[f], off+size, 0, NULL);
+ }
+ }
+ } else if (strcmp(op, "ll_flush") == 0) {
+ int64_t f = t.get_int();
+ if (!metadata_only &&
+ ll_files.count(f))
+ client->ll_flush(ll_files[f]);
+ } else if (strcmp(op, "ll_fsync") == 0) {
+ int64_t f = t.get_int();
+ if (!metadata_only &&
+ ll_files.count(f))
+ client->ll_fsync(ll_files[f], false); // FIXME dataonly param
+ } else if (strcmp(op, "ll_release") == 0) {
+ int64_t f = t.get_int();
+ if (ll_files.count(f)) {
+ client->ll_release(ll_files[f]);
+ ll_files.erase(f);
+ }
+ } else if (strcmp(op, "ll_statfs") == 0) {
+ int64_t i = t.get_int();
+ if (ll_inos.count(i))
+ {} //client->ll_statfs(vinodeno_t(ll_inos[i],CEPH_NOSNAP), perms);
+ }
+
+
+ // object-level traces
+
+ else if (strcmp(op, "o_stat") == 0) {
+ int64_t oh = t.get_int();
+ int64_t ol = t.get_int();
+ object_t oid = file_object_t(oh, ol);
+ lock.Lock();
+ object_locator_t oloc(SYNCLIENT_FIRST_POOL);
+ uint64_t size;
+ ceph::real_time mtime;
+ client->objecter->stat(oid, oloc, CEPH_NOSNAP, &size, &mtime, 0,
+ new C_SafeCond(&lock, &cond, &ack));
+ while (!ack) cond.Wait(lock);
+ lock.Unlock();
+ }
+ else if (strcmp(op, "o_read") == 0) {
+ int64_t oh = t.get_int();
+ int64_t ol = t.get_int();
+ int64_t off = t.get_int();
+ int64_t len = t.get_int();
+ object_t oid = file_object_t(oh, ol);
+ object_locator_t oloc(SYNCLIENT_FIRST_POOL);
+ lock.Lock();
+ bufferlist bl;
+ client->objecter->read(oid, oloc, off, len, CEPH_NOSNAP, &bl, 0,
+ new C_SafeCond(&lock, &cond, &ack));
+ while (!ack) cond.Wait(lock);
+ lock.Unlock();
+ }
+ else if (strcmp(op, "o_write") == 0) {
+ int64_t oh = t.get_int();
+ int64_t ol = t.get_int();
+ int64_t off = t.get_int();
+ int64_t len = t.get_int();
+ object_t oid = file_object_t(oh, ol);
+ object_locator_t oloc(SYNCLIENT_FIRST_POOL);
+ lock.Lock();
+ bufferptr bp(len);
+ bufferlist bl;
+ bl.push_back(bp);
+ SnapContext snapc;
+ client->objecter->write(oid, oloc, off, len, snapc, bl,
+ ceph::real_clock::now(), 0,
+ new C_SafeCond(&lock, &cond, &ack));
+ while (!ack) cond.Wait(lock);
+ lock.Unlock();
+ }
+ else if (strcmp(op, "o_zero") == 0) {
+ int64_t oh = t.get_int();
+ int64_t ol = t.get_int();
+ int64_t off = t.get_int();
+ int64_t len = t.get_int();
+ object_t oid = file_object_t(oh, ol);
+ object_locator_t oloc(SYNCLIENT_FIRST_POOL);
+ lock.Lock();
+ SnapContext snapc;
+ client->objecter->zero(oid, oloc, off, len, snapc,
+ ceph::real_clock::now(), 0,
+ new C_SafeCond(&lock, &cond, &ack));
+ while (!ack) cond.Wait(lock);
+ lock.Unlock();
+ }
+
+
+ else {
+ dout(0) << (t.get_line()-1) << ": *** trace hit unrecognized symbol '" << op << "' " << dendl;
+ ceph_abort();
+ }
+ }
+
+ dout(10) << "trace finished on line " << t.get_line() << dendl;
+
+ // close open files
+ for (ceph::unordered_map<int64_t, int64_t>::iterator fi = open_files.begin();
+ fi != open_files.end();
+ ++fi) {
+ dout(1) << "leftover close " << fi->second << dendl;
+ if (fi->second > 0) client->close(fi->second);
+ }
+ for (ceph::unordered_map<int64_t, dir_result_t*>::iterator fi = open_dirs.begin();
+ fi != open_dirs.end();
+ ++fi) {
+ dout(1) << "leftover closedir " << fi->second << dendl;
+ if (fi->second != 0) client->closedir(fi->second);
+ }
+ for (ceph::unordered_map<int64_t,Fh*>::iterator fi = ll_files.begin();
+ fi != ll_files.end();
+ ++fi) {
+ dout(1) << "leftover ll_release " << fi->second << dendl;
+ if (fi->second) client->ll_release(fi->second);
+ }
+ for (ceph::unordered_map<int64_t,dir_result_t*>::iterator fi = ll_dirs.begin();
+ fi != ll_dirs.end();
+ ++fi) {
+ dout(1) << "leftover ll_releasedir " << fi->second << dendl;
+ if (fi->second) client->ll_releasedir(fi->second);
+ }
+
+ return 0;
+}
+
+
+
+int SyntheticClient::clean_dir(string& basedir)
+{
+ // read dir
+ list<string> contents;
+ UserPerm perms = client->pick_my_perms();
+ int r = client->getdir(basedir.c_str(), contents, perms);
+ if (r < 0) {
+ dout(1) << "getdir on " << basedir << " returns " << r << dendl;
+ return r;
+ }
+
+ for (list<string>::iterator it = contents.begin();
+ it != contents.end();
+ ++it) {
+ if (*it == ".") continue;
+ if (*it == "..") continue;
+ string file = basedir + "/" + *it;
+
+ if (time_to_stop()) break;
+
+ struct stat st;
+ int r = client->lstat(file.c_str(), &st, perms);
+ if (r < 0) {
+ dout(1) << "stat error on " << file << " r=" << r << dendl;
+ continue;
+ }
+
+ if ((st.st_mode & S_IFMT) == S_IFDIR) {
+ clean_dir(file);
+ client->rmdir(file.c_str(), perms);
+ } else {
+ client->unlink(file.c_str(), perms);
+ }
+ }
+
+ return 0;
+
+}
+
+
+int SyntheticClient::full_walk(string& basedir)
+{
+ if (time_to_stop()) return -1;
+
+ list<string> dirq;
+ list<frag_info_t> statq;
+ dirq.push_back(basedir);
+ frag_info_t empty;
+ memset(&empty, 0, sizeof(empty));
+ statq.push_back(empty);
+
+ ceph::unordered_map<inodeno_t, int> nlink;
+ ceph::unordered_map<inodeno_t, int> nlink_seen;
+
+ UserPerm perms = client->pick_my_perms();
+ while (!dirq.empty()) {
+ string dir = dirq.front();
+ frag_info_t expect = statq.front();
+ dirq.pop_front();
+ statq.pop_front();
+
+ frag_info_t actual = empty;
+
+ // read dir
+ list<string> contents;
+ int r = client->getdir(dir.c_str(), contents, perms);
+ if (r < 0) {
+ dout(1) << "getdir on " << dir << " returns " << r << dendl;
+ continue;
+ }
+
+ for (list<string>::iterator it = contents.begin();
+ it != contents.end();
+ ++it) {
+ if (*it == "." ||
+ *it == "..")
+ continue;
+ string file = dir + "/" + *it;
+
+ struct stat st;
+ frag_info_t dirstat;
+ int r = client->lstat(file.c_str(), &st, perms, &dirstat);
+ if (r < 0) {
+ dout(1) << "stat error on " << file << " r=" << r << dendl;
+ continue;
+ }
+
+ nlink_seen[st.st_ino]++;
+ nlink[st.st_ino] = st.st_nlink;
+
+ if (S_ISDIR(st.st_mode))
+ actual.nsubdirs++;
+ else
+ actual.nfiles++;
+
+ // print
+ char *tm = ctime(&st.st_mtime);
+ tm[strlen(tm)-1] = 0;
+ printf("%llx %c%c%c%c%c%c%c%c%c%c %2d %5d %5d %8llu %12s %s\n",
+ (long long)st.st_ino,
+ S_ISDIR(st.st_mode) ? 'd':'-',
+ (st.st_mode & 0400) ? 'r':'-',
+ (st.st_mode & 0200) ? 'w':'-',
+ (st.st_mode & 0100) ? 'x':'-',
+ (st.st_mode & 040) ? 'r':'-',
+ (st.st_mode & 020) ? 'w':'-',
+ (st.st_mode & 010) ? 'x':'-',
+ (st.st_mode & 04) ? 'r':'-',
+ (st.st_mode & 02) ? 'w':'-',
+ (st.st_mode & 01) ? 'x':'-',
+ (int)st.st_nlink,
+ (int)st.st_uid, (int)st.st_gid,
+ (long long unsigned)st.st_size,
+ tm,
+ file.c_str());
+
+
+ if ((st.st_mode & S_IFMT) == S_IFDIR) {
+ dirq.push_back(file);
+ statq.push_back(dirstat);
+ }
+ }
+
+ if (dir != "" &&
+ (actual.nsubdirs != expect.nsubdirs ||
+ actual.nfiles != expect.nfiles)) {
+ dout(0) << dir << ": expected " << expect << dendl;
+ dout(0) << dir << ": got " << actual << dendl;
+ }
+ }
+
+ for (ceph::unordered_map<inodeno_t,int>::iterator p = nlink.begin(); p != nlink.end(); ++p) {
+ if (nlink_seen[p->first] != p->second)
+ dout(0) << p->first << " nlink " << p->second << " != " << nlink_seen[p->first] << "seen" << dendl;
+ }
+
+ return 0;
+}
+
+
+
+int SyntheticClient::dump_placement(string& fn) {
+
+ UserPerm perms = client->pick_my_perms();
+
+ // open file
+ int fd = client->open(fn.c_str(), O_RDONLY, perms);
+ dout(5) << "reading from " << fn << " fd " << fd << dendl;
+ if (fd < 0) return fd;
+
+
+ // How big is it?
+ struct stat stbuf;
+ int lstat_result = client->lstat(fn.c_str(), &stbuf, perms);
+ if (lstat_result < 0) {
+ dout(0) << "lstat error for file " << fn << dendl;
+ client->close(fd);
+ return lstat_result;
+ }
+
+ off_t filesize = stbuf.st_size;
+
+ // grab the placement info
+ vector<ObjectExtent> extents;
+ off_t offset = 0;
+ client->enumerate_layout(fd, extents, filesize, offset);
+ client->close(fd);
+
+
+ // run through all the object extents
+ dout(0) << "file size is " << filesize << dendl;
+ dout(0) << "(osd, start, length) tuples for file " << fn << dendl;
+ for (const auto& x : extents) {
+ int osd = client->objecter->with_osdmap([&](const OSDMap& o) {
+ return o.get_pg_acting_primary(o.object_locator_to_pg(x.oid, x.oloc));
+ });
+
+ // run through all the buffer extents
+ for (const auto& be : x.buffer_extents)
+ dout(0) << "OSD " << osd << ", offset " << be.first
+ << ", length " << be.second << dendl;
+ }
+ return 0;
+}
+
+
+
+int SyntheticClient::make_dirs(const char *basedir, int dirs, int files, int depth)
+{
+ if (time_to_stop()) return 0;
+
+ UserPerm perms = client->pick_my_perms();
+ // make sure base dir exists
+ int r = client->mkdir(basedir, 0755, perms);
+ if (r != 0) {
+ dout(1) << "can't make base dir? " << basedir << dendl;
+ //return -1;
+ }
+
+ // children
+ char d[500];
+ dout(3) << "make_dirs " << basedir << " dirs " << dirs << " files " << files << " depth " << depth << dendl;
+ for (int i=0; i<files; i++) {
+ snprintf(d, sizeof(d), "%s/file.%d", basedir, i);
+ client->mknod(d, 0644, perms);
+ }
+
+ if (depth == 0) return 0;
+
+ for (int i=0; i<dirs; i++) {
+ snprintf(d, sizeof(d), "%s/dir.%d", basedir, i);
+ make_dirs(d, dirs, files, depth-1);
+ }
+
+ return 0;
+}
+
+int SyntheticClient::stat_dirs(const char *basedir, int dirs, int files, int depth)
+{
+ if (time_to_stop()) return 0;
+
+ UserPerm perms = client->pick_my_perms();
+
+ // make sure base dir exists
+ struct stat st;
+ int r = client->lstat(basedir, &st, perms);
+ if (r != 0) {
+ dout(1) << "can't make base dir? " << basedir << dendl;
+ return -1;
+ }
+
+ // children
+ char d[500];
+ dout(3) << "stat_dirs " << basedir << " dirs " << dirs << " files " << files << " depth " << depth << dendl;
+ for (int i=0; i<files; i++) {
+ snprintf(d, sizeof(d), "%s/file.%d", basedir, i);
+ client->lstat(d, &st, perms);
+ }
+
+ if (depth == 0) return 0;
+
+ for (int i=0; i<dirs; i++) {
+ snprintf(d, sizeof(d), "%s/dir.%d", basedir, i);
+ stat_dirs(d, dirs, files, depth-1);
+ }
+
+ return 0;
+}
+int SyntheticClient::read_dirs(const char *basedir, int dirs, int files, int depth)
+{
+ if (time_to_stop()) return 0;
+
+ struct stat st;
+
+ // children
+ char d[500];
+ dout(3) << "read_dirs " << basedir << " dirs " << dirs << " files " << files << " depth " << depth << dendl;
+
+ list<string> contents;
+ UserPerm perms = client->pick_my_perms();
+ utime_t s = ceph_clock_now();
+ int r = client->getdir(basedir, contents, perms);
+ utime_t e = ceph_clock_now();
+ e -= s;
+ if (r < 0) {
+ dout(0) << "getdir couldn't readdir " << basedir << ", stopping" << dendl;
+ return -1;
+ }
+
+ for (int i=0; i<files; i++) {
+ snprintf(d, sizeof(d), "%s/file.%d", basedir, i);
+ utime_t s = ceph_clock_now();
+ if (client->lstat(d, &st, perms) < 0) {
+ dout(2) << "read_dirs failed stat on " << d << ", stopping" << dendl;
+ return -1;
+ }
+ utime_t e = ceph_clock_now();
+ e -= s;
+ }
+
+ if (depth > 0)
+ for (int i=0; i<dirs; i++) {
+ snprintf(d, sizeof(d), "%s/dir.%d", basedir, i);
+ if (read_dirs(d, dirs, files, depth-1) < 0) return -1;
+ }
+
+ return 0;
+}
+
+
+int SyntheticClient::make_files(int num, int count, int priv, bool more)
+{
+ int whoami = client->get_nodeid().v;
+ char d[255];
+ UserPerm perms = client->pick_my_perms();
+
+ if (priv) {
+ for (int c=0; c<count; c++) {
+ snprintf(d, sizeof(d), "dir.%d.run%d", whoami, c);
+ client->mkdir(d, 0755, perms);
+ }
+ } else {
+ // shared
+ if (true || whoami == 0) {
+ for (int c=0; c<count; c++) {
+ snprintf(d, sizeof(d), "dir.%d.run%d", 0, c);
+ client->mkdir(d, 0755, perms);
+ }
+ } else {
+ sleep(2);
+ }
+ }
+
+ // files
+ struct stat st;
+ utime_t start = ceph_clock_now();
+ for (int c=0; c<count; c++) {
+ for (int n=0; n<num; n++) {
+ snprintf(d, sizeof(d), "dir.%d.run%d/file.client%d.%d", priv ? whoami:0, c, whoami, n);
+
+ client->mknod(d, 0644, perms);
+
+ if (more) {
+ client->lstat(d, &st, perms);
+ int fd = client->open(d, O_RDONLY, perms);
+ client->unlink(d, perms);
+ client->close(fd);
+ }
+
+ if (time_to_stop()) return 0;
+ }
+ }
+ utime_t end = ceph_clock_now();
+ end -= start;
+ dout(0) << "makefiles time is " << end << " or " << ((double)end / (double)num) <<" per file" << dendl;
+
+ return 0;
+}
+
+int SyntheticClient::link_test()
+{
+ char d[255];
+ char e[255];
+
+ UserPerm perms = client->pick_my_perms();
+
+ // create files
+ int num = 200;
+
+ client->mkdir("orig", 0755, perms);
+ client->mkdir("copy", 0755, perms);
+
+ utime_t start = ceph_clock_now();
+ for (int i=0; i<num; i++) {
+ snprintf(d, sizeof(d), "orig/file.%d", i);
+ client->mknod(d, 0755, perms);
+ }
+ utime_t end = ceph_clock_now();
+ end -= start;
+
+ dout(0) << "orig " << end << dendl;
+
+ // link
+ start = ceph_clock_now();
+ for (int i=0; i<num; i++) {
+ snprintf(d, sizeof(d), "orig/file.%d", i);
+ snprintf(e, sizeof(e), "copy/file.%d", i);
+ client->link(d, e, perms);
+ }
+ end = ceph_clock_now();
+ end -= start;
+ dout(0) << "copy " << end << dendl;
+
+ return 0;
+}
+
+
+int SyntheticClient::create_shared(int num)
+{
+ // files
+ UserPerm perms = client->pick_my_perms();
+ char d[255];
+ client->mkdir("test", 0755, perms);
+ for (int n=0; n<num; n++) {
+ snprintf(d, sizeof(d), "test/file.%d", n);
+ client->mknod(d, 0644, perms);
+ }
+
+ return 0;
+}
+
+int SyntheticClient::open_shared(int num, int count)
+{
+ // files
+ char d[255];
+ UserPerm perms = client->pick_my_perms();
+ for (int c=0; c<count; c++) {
+ // open
+ list<int> fds;
+ for (int n=0; n<num; n++) {
+ snprintf(d, sizeof(d), "test/file.%d", n);
+ int fd = client->open(d, O_RDONLY, perms);
+ if (fd > 0) fds.push_back(fd);
+ }
+
+ if (false && client->get_nodeid() == 0)
+ for (int n=0; n<num; n++) {
+ snprintf(d, sizeof(d), "test/file.%d", n);
+ client->unlink(d, perms);
+ }
+
+ while (!fds.empty()) {
+ int fd = fds.front();
+ fds.pop_front();
+ client->close(fd);
+ }
+ }
+
+ return 0;
+}
+
+
+// Hits OSD 0 with writes to various files with OSD 0 as the primary.
+int SyntheticClient::overload_osd_0(int n, int size, int wrsize) {
+ UserPerm perms = client->pick_my_perms();
+ // collect a bunch of files starting on OSD 0
+ int left = n;
+ int tried = 0;
+ while (left < 0) {
+
+
+ // pull open a file
+ dout(0) << "in OSD overload" << dendl;
+ string filename = get_sarg(tried);
+ dout(1) << "OSD Overload workload: trying file " << filename << dendl;
+ int fd = client->open(filename.c_str(), O_RDWR|O_CREAT, perms);
+ ++tried;
+
+ // only use the file if its first primary is OSD 0
+ int primary_osd = check_first_primary(fd);
+ if (primary_osd != 0) {
+ client->close(fd);
+ dout(1) << "OSD Overload workload: SKIPPING file " << filename <<
+ " with OSD " << primary_osd << " as first primary. " << dendl;
+ continue;
+ }
+ dout(1) << "OSD Overload workload: USING file " << filename <<
+ " with OSD 0 as first primary. " << dendl;
+
+
+ --left;
+ // do whatever operation we want to do on the file. How about a write?
+ write_fd(fd, size, wrsize);
+ }
+ return 0;
+}
+
+
+// See what the primary is for the first object in this file.
+int SyntheticClient::check_first_primary(int fh)
+{
+ vector<ObjectExtent> extents;
+ client->enumerate_layout(fh, extents, 1, 0);
+ return client->objecter->with_osdmap([&](const OSDMap& o) {
+ return o.get_pg_acting_primary(
+ o.object_locator_to_pg(extents.begin()->oid, extents.begin()->oloc));
+ });
+}
+
+int SyntheticClient::rm_file(string& fn)
+{
+ UserPerm perms = client->pick_my_perms();
+ return client->unlink(fn.c_str(), perms);
+}
+
+int SyntheticClient::write_file(string& fn, int size, loff_t wrsize) // size is in MB, wrsize in bytes
+{
+ //uint64_t wrsize = 1024*256;
+ char *buf = new char[wrsize+100]; // 1 MB
+ memset(buf, 7, wrsize);
+ int64_t chunks = (uint64_t)size * (uint64_t)(1024*1024) / (uint64_t)wrsize;
+ UserPerm perms = client->pick_my_perms();
+
+ int fd = client->open(fn.c_str(), O_RDWR|O_CREAT, perms);
+ dout(5) << "writing to " << fn << " fd " << fd << dendl;
+ if (fd < 0) {
+ delete[] buf;
+ return fd;
+ }
+
+ utime_t from = ceph_clock_now();
+ utime_t start = from;
+ uint64_t bytes = 0, total = 0;
+
+
+ for (loff_t i=0; i<chunks; i++) {
+ if (time_to_stop()) {
+ dout(0) << "stopping" << dendl;
+ break;
+ }
+ dout(2) << "writing block " << i << "/" << chunks << dendl;
+
+ // fill buf with a 16 byte fingerprint
+ // 64 bits : file offset
+ // 64 bits : client id
+ // = 128 bits (16 bytes)
+ uint64_t *p = (uint64_t*)buf;
+ while ((char*)p < buf + wrsize) {
+ *p = (uint64_t)i*(uint64_t)wrsize + (uint64_t)((char*)p - buf);
+ p++;
+ *p = client->get_nodeid().v;
+ p++;
+ }
+
+ client->write(fd, buf, wrsize, i*wrsize);
+ bytes += wrsize;
+ total += wrsize;
+
+ utime_t now = ceph_clock_now();
+ if (now - from >= 1.0) {
+ double el = now - from;
+ dout(0) << "write " << (bytes / el / 1048576.0) << " MB/sec" << dendl;
+ from = now;
+ bytes = 0;
+ }
+ }
+
+ client->fsync(fd, true);
+
+ utime_t stop = ceph_clock_now();
+ double el = stop - start;
+ dout(0) << "write total " << (total / el / 1048576.0) << " MB/sec ("
+ << total << " bytes in " << el << " seconds)" << dendl;
+
+ client->close(fd);
+ delete[] buf;
+
+ return 0;
+}
+
+int SyntheticClient::write_fd(int fd, int size, int wrsize) // size is in MB, wrsize in bytes
+{
+ //uint64_t wrsize = 1024*256;
+ char *buf = new char[wrsize+100]; // 1 MB
+ memset(buf, 7, wrsize);
+ uint64_t chunks = (uint64_t)size * (uint64_t)(1024*1024) / (uint64_t)wrsize;
+
+ //dout(5) << "SyntheticClient::write_fd: writing to fd " << fd << dendl;
+ if (fd < 0) {
+ delete[] buf;
+ return fd;
+ }
+
+ for (unsigned i=0; i<chunks; i++) {
+ if (time_to_stop()) {
+ dout(0) << "stopping" << dendl;
+ break;
+ }
+ dout(2) << "writing block " << i << "/" << chunks << dendl;
+
+ // fill buf with a 16 byte fingerprint
+ // 64 bits : file offset
+ // 64 bits : client id
+ // = 128 bits (16 bytes)
+ uint64_t *p = (uint64_t*)buf;
+ while ((char*)p < buf + wrsize) {
+ *p = (uint64_t)i*(uint64_t)wrsize + (uint64_t)((char*)p - buf);
+ p++;
+ *p = client->get_nodeid().v;
+ p++;
+ }
+
+ client->write(fd, buf, wrsize, i*wrsize);
+ }
+ client->close(fd);
+ delete[] buf;
+
+ return 0;
+}
+
+
+int SyntheticClient::write_batch(int nfile, int size, int wrsize)
+{
+ for (int i=0; i<nfile; i++) {
+ string sarg1 = get_sarg(i);
+ dout(0) << "Write file " << sarg1 << dendl;
+ write_file(sarg1, size, wrsize);
+ }
+ return 0;
+}
+
+// size is in MB, wrsize in bytes
+int SyntheticClient::read_file(const std::string& fn, int size,
+ int rdsize, bool ignoreprint)
+{
+ char *buf = new char[rdsize];
+ memset(buf, 1, rdsize);
+ uint64_t chunks = (uint64_t)size * (uint64_t)(1024*1024) / (uint64_t)rdsize;
+ UserPerm perms = client->pick_my_perms();
+
+ int fd = client->open(fn.c_str(), O_RDONLY, perms);
+ dout(5) << "reading from " << fn << " fd " << fd << dendl;
+ if (fd < 0) {
+ delete[] buf;
+ return fd;
+ }
+
+ utime_t from = ceph_clock_now();
+ utime_t start = from;
+ uint64_t bytes = 0, total = 0;
+
+ for (unsigned i=0; i<chunks; i++) {
+ if (time_to_stop()) break;
+ dout(2) << "reading block " << i << "/" << chunks << dendl;
+ int r = client->read(fd, buf, rdsize, i*rdsize);
+ if (r < rdsize) {
+ dout(1) << "read_file got r = " << r << ", probably end of file" << dendl;
+ break;
+ }
+
+ bytes += rdsize;
+ total += rdsize;
+
+ utime_t now = ceph_clock_now();
+ if (now - from >= 1.0) {
+ double el = now - from;
+ dout(0) << "read " << (bytes / el / 1048576.0) << " MB/sec" << dendl;
+ from = now;
+ bytes = 0;
+ }
+
+ // verify fingerprint
+ int bad = 0;
+ uint64_t *p = (uint64_t*)buf;
+ while ((char*)p + 32 < buf + rdsize) {
+ uint64_t readoff = *p;
+ uint64_t wantoff = (uint64_t)i*(uint64_t)rdsize + (uint64_t)((char*)p - buf);
+ p++;
+ int64_t readclient = *p;
+ p++;
+ if (readoff != wantoff ||
+ readclient != client->get_nodeid()) {
+ if (!bad && !ignoreprint)
+ dout(0) << "WARNING: wrong data from OSD, block says fileoffset=" << readoff << " client=" << readclient
+ << ", should be offset " << wantoff << " client " << client->get_nodeid()
+ << dendl;
+ bad++;
+ }
+ }
+ if (bad && !ignoreprint)
+ dout(0) << " + " << (bad-1) << " other bad 16-byte bits in this block" << dendl;
+ }
+
+ utime_t stop = ceph_clock_now();
+ double el = stop - start;
+ dout(0) << "read total " << (total / el / 1048576.0) << " MB/sec ("
+ << total << " bytes in " << el << " seconds)" << dendl;
+
+ client->close(fd);
+ delete[] buf;
+
+ return 0;
+}
+
+
+
+
+class C_Ref : public Context {
+ Mutex& lock;
+ Cond& cond;
+ int *ref;
+public:
+ C_Ref(Mutex &l, Cond &c, int *r) : lock(l), cond(c), ref(r) {
+ lock.Lock();
+ (*ref)++;
+ lock.Unlock();
+ }
+ void finish(int) override {
+ lock.Lock();
+ (*ref)--;
+ cond.Signal();
+ lock.Unlock();
+ }
+};
+
+int SyntheticClient::create_objects(int nobj, int osize, int inflight)
+{
+ // divy up
+ int numc = num_client ? num_client : 1;
+
+ int start, inc, end;
+
+ if (1) {
+ // strided
+ start = client->get_nodeid().v; //nobjs % numc;
+ inc = numc;
+ end = start + nobj;
+ } else {
+ // segments
+ start = nobj * client->get_nodeid().v / numc;
+ inc = 1;
+ end = nobj * (client->get_nodeid().v+1) / numc;
+ }
+
+ dout(5) << "create_objects " << nobj << " size=" << osize
+ << " .. doing [" << start << "," << end << ") inc " << inc
+ << dendl;
+
+ bufferptr bp(osize);
+ bp.zero();
+ bufferlist bl;
+ bl.push_back(bp);
+
+ Mutex lock("create_objects lock");
+ Cond cond;
+
+ int unsafe = 0;
+
+ list<utime_t> starts;
+
+ for (int i=start; i<end; i += inc) {
+ if (time_to_stop()) break;
+
+ object_t oid = file_object_t(999, i);
+ object_locator_t oloc(SYNCLIENT_FIRST_POOL);
+ SnapContext snapc;
+
+ if (i % inflight == 0) {
+ dout(6) << "create_objects " << i << "/" << (nobj+1) << dendl;
+ }
+ dout(10) << "writing " << oid << dendl;
+
+ starts.push_back(ceph_clock_now());
+ client->client_lock.Lock();
+ client->objecter->write(oid, oloc, 0, osize, snapc, bl,
+ ceph::real_clock::now(), 0,
+ new C_Ref(lock, cond, &unsafe));
+ client->client_lock.Unlock();
+
+ lock.Lock();
+ while (unsafe > inflight) {
+ dout(20) << "waiting for " << unsafe << " unsafe" << dendl;
+ cond.Wait(lock);
+ }
+ lock.Unlock();
+
+ utime_t lat = ceph_clock_now();
+ lat -= starts.front();
+ starts.pop_front();
+ }
+
+ lock.Lock();
+ while (unsafe > 0) {
+ dout(10) << "waiting for " << unsafe << " unsafe" << dendl;
+ cond.Wait(lock);
+ }
+ lock.Unlock();
+
+ dout(5) << "create_objects done" << dendl;
+ return 0;
+}
+
+int SyntheticClient::object_rw(int nobj, int osize, int wrpc,
+ int overlappc,
+ double rskew, double wskew)
+{
+ dout(5) << "object_rw " << nobj << " size=" << osize << " with "
+ << wrpc << "% writes"
+ << ", " << overlappc << "% overlap"
+ << ", rskew = " << rskew
+ << ", wskew = " << wskew
+ << dendl;
+
+ bufferptr bp(osize);
+ bp.zero();
+ bufferlist bl;
+ bl.push_back(bp);
+
+ // start with odd number > nobj
+ rjhash<uint32_t> h;
+ unsigned prime = nobj + 1; // this is the minimum!
+ prime += h(nobj) % (3*nobj); // bump it up some
+ prime |= 1; // make it odd
+
+ while (true) {
+ unsigned j;
+ for (j=2; j*j<=prime; j++)
+ if (prime % j == 0) break;
+ if (j*j > prime) {
+ break;
+ //cout << "prime " << prime << endl;
+ }
+ prime += 2;
+ }
+
+ Mutex lock("lock");
+ Cond cond;
+
+ int unack = 0;
+
+ while (1) {
+ if (time_to_stop()) break;
+
+ // read or write?
+ bool write = (rand() % 100) < wrpc;
+
+ // choose object
+ double r = drand48(); // [0..1)
+ long o;
+ if (write) {
+ o = (long)trunc(pow(r, wskew) * (double)nobj); // exponentially skew towards 0
+ int pnoremap = (long)(r * 100.0);
+ if (pnoremap >= overlappc)
+ o = (o*prime) % nobj; // remap
+ } else {
+ o = (long)trunc(pow(r, rskew) * (double)nobj); // exponentially skew towards 0
+ }
+ object_t oid = file_object_t(999, o);
+ object_locator_t oloc(SYNCLIENT_FIRST_POOL);
+ SnapContext snapc;
+
+ client->client_lock.Lock();
+ utime_t start = ceph_clock_now();
+ if (write) {
+ dout(10) << "write to " << oid << dendl;
+
+ ObjectOperation m;
+ OSDOp op;
+ op.op.op = CEPH_OSD_OP_WRITE;
+ op.op.extent.offset = 0;
+ op.op.extent.length = osize;
+ op.indata = bl;
+ m.ops.push_back(op);
+ client->objecter->mutate(oid, oloc, m, snapc,
+ ceph::real_clock::now(), 0,
+ new C_Ref(lock, cond, &unack));
+ } else {
+ dout(10) << "read from " << oid << dendl;
+ bufferlist inbl;
+ client->objecter->read(oid, oloc, 0, osize, CEPH_NOSNAP, &inbl, 0,
+ new C_Ref(lock, cond, &unack));
+ }
+ client->client_lock.Unlock();
+
+ lock.Lock();
+ while (unack > 0) {
+ dout(20) << "waiting for " << unack << " unack" << dendl;
+ cond.Wait(lock);
+ }
+ lock.Unlock();
+
+ utime_t lat = ceph_clock_now();
+ lat -= start;
+ }
+
+ return 0;
+}
+
+
+
+
+
+int SyntheticClient::read_random(string& fn, int size, int rdsize) // size is in MB, wrsize in bytes
+{
+ UserPerm perms = client->pick_my_perms();
+ uint64_t chunks = (uint64_t)size * (uint64_t)(1024*1024) / (uint64_t)rdsize;
+ int fd = client->open(fn.c_str(), O_RDWR, perms);
+ dout(5) << "reading from " << fn << " fd " << fd << dendl;
+
+ if (fd < 0) return fd;
+ int offset = 0;
+ char * buf = NULL;
+
+ for (unsigned i=0; i<2000; i++) {
+ if (time_to_stop()) break;
+
+ bool read=false;
+
+ time_t seconds;
+ time( &seconds);
+ srand(seconds);
+
+ // use rand instead ??
+ double x = drand48();
+
+ // cleanup before call 'new'
+ if (buf != NULL) {
+ delete[] buf;
+ buf = NULL;
+ }
+ if (x < 0.5) {
+ buf = new char[rdsize];
+ memset(buf, 1, rdsize);
+ read=true;
+ } else {
+ buf = new char[rdsize+100]; // 1 MB
+ memset(buf, 7, rdsize);
+ }
+
+ if (read) {
+ offset=(rand())%(chunks+1);
+ dout(2) << "reading block " << offset << "/" << chunks << dendl;
+
+ int r = client->read(fd, buf, rdsize, offset*rdsize);
+ if (r < rdsize) {
+ dout(1) << "read_file got r = " << r << ", probably end of file" << dendl;
+ }
+ } else {
+ dout(2) << "writing block " << offset << "/" << chunks << dendl;
+
+ // fill buf with a 16 byte fingerprint
+ // 64 bits : file offset
+ // 64 bits : client id
+ // = 128 bits (16 bytes)
+
+ offset=(rand())%(chunks+1);
+ uint64_t *p = (uint64_t*)buf;
+ while ((char*)p < buf + rdsize) {
+ *p = offset*rdsize + (char*)p - buf;
+ p++;
+ *p = client->get_nodeid().v;
+ p++;
+ }
+
+ client->write(fd, buf, rdsize,
+ offset*rdsize);
+ }
+
+ // verify fingerprint
+ if (read) {
+ int bad = 0;
+ int64_t *p = (int64_t*)buf;
+ while ((char*)p + 32 < buf + rdsize) {
+ int64_t readoff = *p;
+ int64_t wantoff = offset*rdsize + (int64_t)((char*)p - buf);
+ p++;
+ int64_t readclient = *p;
+ p++;
+ if (readoff != wantoff || readclient != client->get_nodeid()) {
+ if (!bad)
+ dout(0) << "WARNING: wrong data from OSD, block says fileoffset=" << readoff << " client=" << readclient
+ << ", should be offset " << wantoff << " client " << client->get_nodeid()
+ << dendl;
+ bad++;
+ }
+ }
+ if (bad)
+ dout(0) << " + " << (bad-1) << " other bad 16-byte bits in this block" << dendl;
+ }
+ }
+
+ client->close(fd);
+ delete[] buf;
+
+ return 0;
+}
+
+int normdist(int min, int max, int stdev) /* specifies input values */
+{
+ /* min: Minimum value; max: Maximum value; stdev: degree of deviation */
+
+ //int min, max, stdev; {
+ time_t seconds;
+ time( &seconds);
+ srand(seconds);
+
+ int range, iterate, result;
+ /* declare range, iterate and result as integers, to avoid the need for
+ floating point math*/
+
+ result = 0;
+ /* ensure result is initialized to 0 */
+
+ range = max -min;
+ /* calculate range of possible values between the max and min values */
+
+ iterate = range / stdev;
+ /* this number of iterations ensures the proper shape of the resulting
+ curve */
+
+ stdev += 1; /* compensation for integer vs. floating point math */
+ for (int c = iterate; c != 0; c--) /* loop through iterations */
+ {
+ // result += (uniform (1, 100) * stdev) / 100; /* calculate and
+ result += ( (rand()%100 + 1) * stdev) / 100;
+ // printf("result=%d\n", result );
+ }
+ printf("\n final result=%d\n", result );
+ return result + min; /* send final result back */
+}
+
+int SyntheticClient::read_random_ex(string& fn, int size, int rdsize) // size is in MB, wrsize in bytes
+{
+ uint64_t chunks = (uint64_t)size * (uint64_t)(1024*1024) / (uint64_t)rdsize;
+ UserPerm perms = client->pick_my_perms();
+ int fd = client->open(fn.c_str(), O_RDWR, perms);
+ dout(5) << "reading from " << fn << " fd " << fd << dendl;
+
+ if (fd < 0) return fd;
+ int offset = 0;
+ char * buf = NULL;
+
+ for (unsigned i=0; i<2000; i++) {
+ if (time_to_stop()) break;
+
+ bool read=false;
+
+ time_t seconds;
+ time( &seconds);
+ srand(seconds);
+
+ // use rand instead ??
+ double x = drand48();
+
+ // cleanup before call 'new'
+ if (buf != NULL) {
+ delete[] buf;
+ buf = NULL;
+ }
+ if (x < 0.5) {
+ buf = new char[rdsize];
+ memset(buf, 1, rdsize);
+ read=true;
+ } else {
+ buf = new char[rdsize+100]; // 1 MB
+ memset(buf, 7, rdsize);
+ }
+
+ if (read) {
+ dout(2) << "reading block " << offset << "/" << chunks << dendl;
+
+ int r = client->read(fd, buf, rdsize,
+ offset*rdsize);
+ if (r < rdsize) {
+ dout(1) << "read_file got r = " << r << ", probably end of file" << dendl;
+ }
+ } else {
+ dout(2) << "writing block " << offset << "/" << chunks << dendl;
+
+ // fill buf with a 16 byte fingerprint
+ // 64 bits : file offset
+ // 64 bits : client id
+ // = 128 bits (16 bytes)
+
+ int count = rand()%10;
+
+ for ( int j=0;j<count; j++ ) {
+ offset=(rand())%(chunks+1);
+ uint64_t *p = (uint64_t*)buf;
+ while ((char*)p < buf + rdsize) {
+ *p = offset*rdsize + (char*)p - buf;
+ p++;
+ *p = client->get_nodeid().v;
+ p++;
+ }
+
+ client->write(fd, buf, rdsize, offset*rdsize);
+ }
+ }
+
+ // verify fingerprint
+ if (read) {
+ int bad = 0;
+ int64_t *p = (int64_t*)buf;
+ while ((char*)p + 32 < buf + rdsize) {
+ int64_t readoff = *p;
+ int64_t wantoff = offset*rdsize + (int64_t)((char*)p - buf);
+ p++;
+ int64_t readclient = *p;
+ p++;
+ if (readoff != wantoff || readclient != client->get_nodeid()) {
+ if (!bad)
+ dout(0) << "WARNING: wrong data from OSD, block says fileoffset=" << readoff << " client=" << readclient
+ << ", should be offset " << wantoff << " client " << client->get_nodeid()
+ << dendl;
+ bad++;
+ }
+ }
+ if (bad)
+ dout(0) << " + " << (bad-1) << " other bad 16-byte bits in this block" << dendl;
+ }
+ }
+
+ client->close(fd);
+ delete[] buf;
+
+ return 0;
+}
+
+
+int SyntheticClient::random_walk(int num_req)
+{
+ int left = num_req;
+
+ //dout(1) << "random_walk() will do " << left << " ops" << dendl;
+
+ init_op_dist(); // set up metadata op distribution
+
+ UserPerm perms = client->pick_my_perms();
+ while (left > 0) {
+ left--;
+
+ if (time_to_stop()) break;
+
+ // ascend?
+ if (cwd.depth() && !roll_die(::pow((double).9, (double)cwd.depth()))) {
+ dout(DBL) << "die says up" << dendl;
+ up();
+ continue;
+ }
+
+ // descend?
+ if (roll_die(::pow((double).9,(double)cwd.depth())) && !subdirs.empty()) {
+ string s = get_random_subdir();
+ cwd.push_dentry( s );
+ dout(DBL) << "cd " << s << " -> " << cwd << dendl;
+ clear_dir();
+ continue;
+ }
+
+ int op = 0;
+ filepath path;
+
+ if (contents.empty() && roll_die(.3)) {
+ if (did_readdir) {
+ dout(DBL) << "empty dir, up" << dendl;
+ up();
+ } else
+ op = CEPH_MDS_OP_READDIR;
+ } else {
+ op = op_dist.sample();
+ }
+ //dout(DBL) << "op is " << op << dendl;
+
+ int r = 0;
+
+ // do op
+ if (op == CEPH_MDS_OP_UNLINK) {
+ if (contents.empty())
+ op = CEPH_MDS_OP_READDIR;
+ else
+ r = client->unlink(get_random_sub(), perms); // will fail on dirs
+ }
+
+ if (op == CEPH_MDS_OP_RENAME) {
+ if (contents.empty())
+ op = CEPH_MDS_OP_READDIR;
+ else {
+ r = client->rename(get_random_sub(), make_sub("ren"), perms);
+ }
+ }
+
+ if (op == CEPH_MDS_OP_MKDIR) {
+ r = client->mkdir(make_sub("mkdir"), 0755, perms);
+ }
+
+ if (op == CEPH_MDS_OP_RMDIR) {
+ if (!subdirs.empty())
+ r = client->rmdir(get_random_subdir(), perms);
+ else
+ r = client->rmdir(cwd.c_str(), perms); // will pbly fail
+ }
+
+ if (op == CEPH_MDS_OP_SYMLINK) {
+ }
+ /*
+ if (op == CEPH_MDS_OP_CHMOD) {
+ if (contents.empty())
+ op = CEPH_MDS_OP_READDIR;
+ else
+ r = client->chmod(get_random_sub(), rand() & 0755, perms);
+ }
+
+ if (op == CEPH_MDS_OP_CHOWN) {
+ if (contents.empty()) r = client->chown(cwd.c_str(), rand(), rand(), perms);
+ else
+ r = client->chown(get_random_sub(), rand(), rand(), perms);
+ }
+
+ if (op == CEPH_MDS_OP_UTIME) {
+ struct utimbuf b;
+ memset(&b, 1, sizeof(b));
+ if (contents.empty())
+ r = client->utime(cwd.c_str(), &b, perms);
+ else
+ r = client->utime(get_random_sub(), &b, perms);
+ }
+ */
+ if (op == CEPH_MDS_OP_LINK) {
+ }
+
+ if (op == CEPH_MDS_OP_MKNOD) {
+ r = client->mknod(make_sub("mknod"), 0644, perms);
+ }
+
+ if (op == CEPH_MDS_OP_OPEN) {
+ if (contents.empty())
+ op = CEPH_MDS_OP_READDIR;
+ else {
+ r = client->open(get_random_sub(), O_RDONLY, perms);
+ if (r > 0) {
+ assert(open_files.count(r) == 0);
+ open_files.insert(r);
+ }
+ }
+ }
+
+ /*if (op == CEPH_MDS_OP_RELEASE) { // actually, close
+ if (open_files.empty())
+ op = CEPH_MDS_OP_STAT;
+ else {
+ int fh = get_random_fh();
+ r = client->close( fh );
+ if (r == 0) open_files.erase(fh);
+ }
+ }
+ */
+
+ if (op == CEPH_MDS_OP_GETATTR) {
+ struct stat st;
+ if (contents.empty()) {
+ if (did_readdir) {
+ if (roll_die(.1)) {
+ dout(DBL) << "stat in empty dir, up" << dendl;
+ up();
+ } else {
+ op = CEPH_MDS_OP_MKNOD;
+ }
+ } else
+ op = CEPH_MDS_OP_READDIR;
+ } else
+ r = client->lstat(get_random_sub(), &st, perms);
+ }
+
+ if (op == CEPH_MDS_OP_READDIR) {
+ clear_dir();
+
+ list<string> c;
+ r = client->getdir(cwd.c_str(), c, perms);
+
+ for (list<string>::iterator it = c.begin();
+ it != c.end();
+ ++it) {
+ //dout(DBL) << " got " << *it << dendl;
+ ceph_abort();
+ /*contents[*it] = it->second;
+ if (it->second &&
+ S_ISDIR(it->second->st_mode))
+ subdirs.insert(*it);
+ */
+ }
+
+ did_readdir = true;
+ }
+
+ // errors?
+ if (r < 0) {
+ // reevaluate cwd.
+ //while (cwd.depth()) {
+ //if (client->lookup(cwd)) break; // it's in the cache
+
+ //dout(DBL) << "r = " << r << ", client doesn't have " << cwd << ", cd .." << dendl;
+ dout(DBL) << "r = " << r << ", client may not have " << cwd << ", cd .." << dendl;
+ up();
+ //}
+ }
+ }
+
+ // close files
+ dout(DBL) << "closing files" << dendl;
+ while (!open_files.empty()) {
+ int fh = get_random_fh();
+ int r = client->close( fh );
+ if (r == 0) open_files.erase(fh);
+ }
+
+ dout(DBL) << "done" << dendl;
+ return 0;
+}
+
+
+
+
+void SyntheticClient::make_dir_mess(const char *basedir, int n)
+{
+ UserPerm perms = client->pick_my_perms();
+ vector<string> dirs;
+
+ dirs.push_back(basedir);
+ dirs.push_back(basedir);
+
+ client->mkdir(basedir, 0755, perms);
+
+ // motivation:
+ // P(dir) ~ subdirs_of(dir) + 2
+ // from 5-year metadata workload paper in fast'07
+
+ // create dirs
+ for (int i=0; i<n; i++) {
+ // pick a dir
+ int k = rand() % dirs.size();
+ string parent = dirs[k];
+
+ // pick a name
+ std::stringstream ss;
+ ss << parent << "/" << i;
+ string dir = ss.str();
+
+ // update dirs
+ dirs.push_back(parent);
+ dirs.push_back(dir);
+ dirs.push_back(dir);
+
+ // do it
+ client->mkdir(dir.c_str(), 0755, perms);
+ }
+
+
+}
+
+
+
+void SyntheticClient::foo()
+{
+ UserPerm perms = client->pick_my_perms();
+
+ if (1) {
+ // make 2 parallel dirs, link/unlink between them.
+ char a[100], b[100];
+ client->mkdir("/a", 0755, perms);
+ client->mkdir("/b", 0755, perms);
+ for (int i=0; i<10; i++) {
+ snprintf(a, sizeof(a), "/a/%d", i);
+ client->mknod(a, 0644, perms);
+ }
+ while (1) {
+ for (int i=0; i<10; i++) {
+ snprintf(a, sizeof(a), "/a/%d", i);
+ snprintf(b, sizeof(b), "/b/%d", i);
+ client->link(a, b, perms);
+ }
+ for (int i=0; i<10; i++) {
+ snprintf(b, sizeof(b), "/b/%d", i);
+ client->unlink(b, perms);
+ }
+ }
+ return;
+ }
+ if (1) {
+ // bug1.cpp
+ const char *fn = "blah";
+ char buffer[8192];
+ client->unlink(fn, perms);
+ int handle = client->open(fn, O_CREAT|O_RDWR, perms, S_IRWXU);
+ assert(handle>=0);
+ int r=client->write(handle,buffer,8192);
+ assert(r>=0);
+ r=client->close(handle);
+ assert(r>=0);
+
+ handle = client->open(fn, O_RDWR, perms); // open the same file, it must have some data already
+ assert(handle>=0);
+ r=client->read(handle,buffer,8192);
+ assert(r==8192); // THIS ASSERTION FAILS with disabled cache
+ r=client->close(handle);
+ assert(r>=0);
+
+ return;
+ }
+ if (1) {
+ dout(0) << "first" << dendl;
+ int fd = client->open("tester", O_WRONLY|O_CREAT, perms);
+ client->write(fd, "hi there", 0, 8);
+ client->close(fd);
+ dout(0) << "sleep" << dendl;
+ sleep(10);
+ dout(0) << "again" << dendl;
+ fd = client->open("tester", O_WRONLY|O_CREAT, perms);
+ client->write(fd, "hi there", 0, 8);
+ client->close(fd);
+ return;
+ }
+ if (1) {
+ // open some files
+ srand(0);
+ for (int i=0; i<20; i++) {
+ int s = 5;
+ int a = rand() % s;
+ int b = rand() % s;
+ int c = rand() % s;
+ char src[80];
+ snprintf(src, sizeof(src), "syn.0.0/dir.%d/dir.%d/file.%d", a, b, c);
+ //int fd =
+ client->open(src, O_RDONLY, perms);
+ }
+
+ return;
+ }
+
+ if (0) {
+ // rename fun
+ for (int i=0; i<100; i++) {
+ int s = 5;
+ int a = rand() % s;
+ int b = rand() % s;
+ int c = rand() % s;
+ int d = rand() % s;
+ int e = rand() % s;
+ int f = rand() % s;
+ char src[80];
+ char dst[80];
+ snprintf(src, sizeof(src), "syn.0.0/dir.%d/dir.%d/file.%d", a, b, c);
+ snprintf(dst, sizeof(dst), "syn.0.0/dir.%d/dir.%d/file.%d", d, e, f);
+ client->rename(src, dst, perms);
+ }
+ return;
+ }
+
+ if (1) {
+ // link fun
+ srand(0);
+ for (int i=0; i<100; i++) {
+ int s = 5;
+ int a = rand() % s;
+ int b = rand() % s;
+ int c = rand() % s;
+ int d = rand() % s;
+ int e = rand() % s;
+ int f = rand() % s;
+ char src[80];
+ char dst[80];
+ snprintf(src, sizeof(src), "syn.0.0/dir.%d/dir.%d/file.%d", a, b, c);
+ snprintf(dst, sizeof(dst), "syn.0.0/dir.%d/dir.%d/newlink.%d", d, e, f);
+ client->link(src, dst, perms);
+ }
+ srand(0);
+ for (int i=0; i<100; i++) {
+ int s = 5;
+ int a = rand() % s;
+ int b = rand() % s;
+ int c = rand() % s;
+ int d = rand() % s;
+ int e = rand() % s;
+ int f = rand() % s;
+ char src[80];
+ char dst[80];
+ snprintf(src, sizeof(src), "syn.0.0/dir.%d/dir.%d/file.%d", a, b, c);
+ snprintf(dst, sizeof(dst), "syn.0.0/dir.%d/dir.%d/newlink.%d", d, e, f);
+ client->unlink(dst, perms);
+ }
+
+
+ return;
+ }
+
+ // link fun
+ client->mknod("one", 0755, perms);
+ client->mknod("two", 0755, perms);
+ client->link("one", "three", perms);
+ client->mkdir("dir", 0755, perms);
+ client->link("two", "/dir/twolink", perms);
+ client->link("dir/twolink", "four", perms);
+
+ // unlink fun
+ client->mknod("a", 0644, perms);
+ client->unlink("a", perms);
+ client->mknod("b", 0644, perms);
+ client->link("b", "c", perms);
+ client->unlink("c", perms);
+ client->mkdir("d", 0755, perms);
+ client->unlink("d", perms);
+ client->rmdir("d", perms);
+
+ // rename fun
+ client->mknod("p1", 0644, perms);
+ client->mknod("p2", 0644, perms);
+ client->rename("p1","p2", perms);
+ client->mknod("p3", 0644, perms);
+ client->rename("p3","p4", perms);
+
+ // check dest dir ambiguity thing
+ client->mkdir("dir1", 0755, perms);
+ client->mkdir("dir2", 0755, perms);
+ client->rename("p2", "dir1/p2", perms);
+ client->rename("dir1/p2", "dir2/p2", perms);
+ client->rename("dir2/p2", "/p2", perms);
+
+ // check primary+remote link merging
+ client->link("p2","p2.l", perms);
+ client->link("p4","p4.l", perms);
+ client->rename("p2.l", "p2", perms);
+ client->rename("p4", "p4.l", perms);
+
+ // check anchor updates
+ client->mknod("dir1/a", 0644, perms);
+ client->link("dir1/a", "da1", perms);
+ client->link("dir1/a", "da2", perms);
+ client->link("da2","da3", perms);
+ client->rename("dir1/a", "dir2/a", perms);
+ client->rename("dir2/a", "da2", perms);
+ client->rename("da1", "da2", perms);
+ client->rename("da2", "da3", perms);
+
+ // check directory renames
+ client->mkdir("dir3", 0755, perms);
+ client->mknod("dir3/asdf", 0644, perms);
+ client->mkdir("dir4", 0755, perms);
+ client->mkdir("dir5", 0755, perms);
+ client->mknod("dir5/asdf", 0644, perms);
+ client->rename("dir3", "dir4", perms); // ok
+ client->rename("dir4", "dir5", perms); // fail
+}
+
+int SyntheticClient::thrash_links(const char *basedir, int dirs, int files, int depth, int n)
+{
+ dout(1) << "thrash_links " << basedir << " " << dirs << " " << files << " " << depth
+ << " links " << n
+ << dendl;
+
+ if (time_to_stop()) return 0;
+
+ UserPerm perms = client->pick_my_perms();
+
+ srand(0);
+ if (1) {
+ bool renames = true; // thrash renames too?
+ for (int k=0; k<n; k++) {
+
+ if (renames && rand() % 10 == 0) {
+ // rename some directories. whee!
+ int dep = (rand() % depth) + 1;
+ string src = basedir;
+ {
+ char t[80];
+ for (int d=0; d<dep; d++) {
+ int a = rand() % dirs;
+ snprintf(t, sizeof(t), "/dir.%d", a);
+ src += t;
+ }
+ }
+ string dst = basedir;
+ {
+ char t[80];
+ for (int d=0; d<dep; d++) {
+ int a = rand() % dirs;
+ snprintf(t, sizeof(t), "/dir.%d", a);
+ dst += t;
+ }
+ }
+
+ if (client->rename(dst.c_str(), "/tmp", perms) == 0) {
+ client->rename(src.c_str(), dst.c_str(), perms);
+ client->rename("/tmp", src.c_str(), perms);
+ }
+ continue;
+ }
+
+ // pick a dest dir
+ string src = basedir;
+ {
+ char t[80];
+ for (int d=0; d<depth; d++) {
+ int a = rand() % dirs;
+ snprintf(t, sizeof(t), "/dir.%d", a);
+ src += t;
+ }
+ int a = rand() % files;
+ snprintf(t, sizeof(t), "/file.%d", a);
+ src += t;
+ }
+ string dst = basedir;
+ {
+ char t[80];
+ for (int d=0; d<depth; d++) {
+ int a = rand() % dirs;
+ snprintf(t, sizeof(t), "/dir.%d", a);
+ dst += t;
+ }
+ int a = rand() % files;
+ snprintf(t, sizeof(t), "/file.%d", a);
+ dst += t;
+ }
+
+ int o = rand() % 4;
+ switch (o) {
+ case 0:
+ client->mknod(src.c_str(), 0755, perms);
+ if (renames) client->rename(src.c_str(), dst.c_str(), perms);
+ break;
+ case 1:
+ client->mknod(src.c_str(), 0755, perms);
+ client->unlink(dst.c_str(), perms);
+ client->link(src.c_str(), dst.c_str(), perms);
+ break;
+ case 2: client->unlink(src.c_str(), perms); break;
+ case 3: client->unlink(dst.c_str(), perms); break;
+ //case 4: client->mknod(src.c_str(), 0755, perms); break;
+ //case 5: client->mknod(dst.c_str(), 0755, perms); break;
+ }
+ }
+ return 0;
+ }
+
+ if (1) {
+ // now link shit up
+ for (int i=0; i<n; i++) {
+ if (time_to_stop()) return 0;
+
+ char f[20];
+
+ // pick a file
+ string file = basedir;
+
+ if (depth) {
+ int d = rand() % (depth+1);
+ for (int k=0; k<d; k++) {
+ snprintf(f, sizeof(f), "/dir.%d", rand() % dirs);
+ file += f;
+ }
+ }
+ snprintf(f, sizeof(f), "/file.%d", rand() % files);
+ file += f;
+
+ // pick a dir for our link
+ string ln = basedir;
+ if (depth) {
+ int d = rand() % (depth+1);
+ for (int k=0; k<d; k++) {
+ snprintf(f, sizeof(f), "/dir.%d", rand() % dirs);
+ ln += f;
+ }
+ }
+ snprintf(f, sizeof(f), "/ln.%d", i);
+ ln += f;
+
+ client->link(file.c_str(), ln.c_str(), perms);
+ }
+ }
+ return 0;
+}
+
+
+
+
+void SyntheticClient::import_find(const char *base, const char *find, bool data)
+{
+ dout(1) << "import_find " << base << " from " << find << " data=" << data << dendl;
+
+ /* use this to gather the static trace:
+ *
+ * find . -exec ls -dilsn --time-style=+%s \{\} \;
+ * or if it's wafl,
+ * find . -path ./.snapshot -prune -o -exec ls -dilsn --time-style=+%s \{\} \;
+ *
+ */
+
+ UserPerm process_perms = client->pick_my_perms();
+
+ if (base[0] != '-')
+ client->mkdir(base, 0755, process_perms);
+
+ ifstream f(find);
+ assert(f.is_open());
+
+ int dirnum = 0;
+
+ while (!f.eof()) {
+ uint64_t ino;
+ int dunno, nlink;
+ string modestring;
+ int uid, gid;
+ off_t size;
+ time_t mtime;
+ string filename;
+ f >> ino;
+ if (f.eof()) break;
+ f >> dunno;
+ f >> modestring;
+ f >> nlink;
+ f >> uid;
+ f >> gid;
+ f >> size;
+ f >> mtime;
+ f.seekg(1, ios::cur);
+ getline(f, filename);
+ UserPerm perms(uid, gid);
+
+ // ignore "."
+ if (filename == ".") continue;
+
+ // remove leading ./
+ assert(filename[0] == '.' && filename[1] == '/');
+ filename = filename.substr(2);
+
+ // new leading dir?
+ int sp = filename.find("/");
+ if (sp < 0) dirnum++;
+
+ //dout(0) << "leading dir " << filename << " " << dirnum << dendl;
+ if (dirnum % num_client != client->get_nodeid()) {
+ dout(20) << "skipping leading dir " << dirnum << " " << filename << dendl;
+ continue;
+ }
+
+ // parse the mode
+ assert(modestring.length() == 10);
+ mode_t mode = 0;
+ switch (modestring[0]) {
+ case 'd': mode |= S_IFDIR; break;
+ case 'l': mode |= S_IFLNK; break;
+ default:
+ case '-': mode |= S_IFREG; break;
+ }
+ if (modestring[1] == 'r') mode |= 0400;
+ if (modestring[2] == 'w') mode |= 0200;
+ if (modestring[3] == 'x') mode |= 0100;
+ if (modestring[4] == 'r') mode |= 040;
+ if (modestring[5] == 'w') mode |= 020;
+ if (modestring[6] == 'x') mode |= 010;
+ if (modestring[7] == 'r') mode |= 04;
+ if (modestring[8] == 'w') mode |= 02;
+ if (modestring[9] == 'x') mode |= 01;
+
+ dout(20) << " mode " << modestring << " to " << oct << mode << dec << dendl;
+
+ if (S_ISLNK(mode)) {
+ // target vs destination
+ int pos = filename.find(" -> ");
+ assert(pos > 0);
+ string link;
+ if (base[0] != '-') {
+ link = base;
+ link += "/";
+ }
+ link += filename.substr(0, pos);
+ string target;
+ if (filename[pos+4] == '/') {
+ if (base[0] != '-')
+ target = base;
+ target += filename.substr(pos + 4);
+ } else {
+ target = filename.substr(pos + 4);
+ }
+ dout(10) << "symlink from '" << link << "' -> '" << target << "'" << dendl;
+ client->symlink(target.c_str(), link.c_str(), perms);
+ } else {
+ string f;
+ if (base[0] != '-') {
+ f = base;
+ f += "/";
+ }
+ f += filename;
+ if (S_ISDIR(mode)) {
+ client->mkdir(f.c_str(), mode, perms);
+ } else {
+ int fd = client->open(f.c_str(), O_WRONLY|O_CREAT, perms, mode & 0777);
+ assert(fd > 0);
+ if (data) {
+ client->write(fd, "", 0, size);
+ } else {
+ client->truncate(f.c_str(), size, perms);
+ }
+ client->close(fd);
+
+ //client->chmod(f.c_str(), mode & 0777, perms, process_perms);
+ client->chown(f.c_str(), uid, gid, process_perms);
+
+ struct utimbuf ut;
+ ut.modtime = mtime;
+ ut.actime = mtime;
+ client->utime(f.c_str(), &ut, perms);
+ }
+ }
+ }
+
+
+}
+
+
+int SyntheticClient::lookup_hash(inodeno_t ino, inodeno_t dirino,
+ const char *name, const UserPerm& perms)
+{
+ int r = client->lookup_hash(ino, dirino, name, perms);
+ dout(0) << "lookup_hash(" << ino << ", #" << dirino << "/" << name << ") = " << r << dendl;
+ return r;
+}
+
+int SyntheticClient::lookup_ino(inodeno_t ino, const UserPerm& perms)
+{
+ int r = client->lookup_ino(ino, perms);
+ dout(0) << "lookup_ino(" << ino << ") = " << r << dendl;
+ return r;
+}
+
+int SyntheticClient::chunk_file(string &filename)
+{
+ UserPerm perms = client->pick_my_perms();
+ int fd = client->open(filename.c_str(), O_RDONLY, perms);
+ if (fd < 0)
+ return fd;
+
+ struct stat st;
+ int ret = client->fstat(fd, &st, perms);
+ if (ret < 0) {
+ client->close(fd);
+ return ret;
+ }
+ uint64_t size = st.st_size;
+ dout(0) << "file " << filename << " size is " << size << dendl;
+
+ inode_t inode;
+ memset(&inode, 0, sizeof(inode));
+ inode.ino = st.st_ino;
+ ret = client->fdescribe_layout(fd, &inode.layout);
+ assert(ret == 0); // otherwise fstat did a bad thing
+
+ uint64_t pos = 0;
+ bufferlist from_before;
+ while (pos < size) {
+ int get = MIN(size-pos, 1048576);
+
+ Mutex flock("synclient chunk_file lock");
+ Cond cond;
+ bool done;
+ bufferlist bl;
+
+ flock.Lock();
+ Context *onfinish = new C_SafeCond(&flock, &cond, &done);
+ client->filer->read(inode.ino, &inode.layout, CEPH_NOSNAP, pos, get, &bl, 0,
+ onfinish);
+ while (!done)
+ cond.Wait(flock);
+ flock.Unlock();
+
+ dout(0) << "got " << bl.length() << " bytes at " << pos << dendl;
+
+ if (from_before.length()) {
+ dout(0) << " including bit from previous block" << dendl;
+ pos -= from_before.length();
+ from_before.claim_append(bl);
+ bl.swap(from_before);
+ }
+
+ // ....
+
+ // keep last 32 bytes around
+ from_before.clear();
+ from_before.substr_of(bl, bl.length()-32, 32);
+
+ pos += bl.length();
+ }
+
+ client->close(fd);
+ return 0;
+}
+
+
+
+void SyntheticClient::mksnap(const char *base, const char *name, const UserPerm& perms)
+{
+ client->mksnap(base, name, perms);
+}
+
+void SyntheticClient::rmsnap(const char *base, const char *name, const UserPerm& perms)
+{
+ client->rmsnap(base, name, perms);
+}
+
+void SyntheticClient::mksnapfile(const char *dir)
+{
+ UserPerm perms = client->pick_my_perms();
+ client->mkdir(dir, 0755, perms);
+
+ string f = dir;
+ f += "/foo";
+ int fd = client->open(f.c_str(), O_WRONLY|O_CREAT|O_TRUNC, perms);
+
+ char buf[1048576*4];
+ client->write(fd, buf, sizeof(buf), 0);
+ client->fsync(fd, true);
+ client->close(fd);
+
+ string s = dir;
+ s += "/.snap/1";
+ client->mkdir(s.c_str(), 0755, perms);
+
+ fd = client->open(f.c_str(), O_WRONLY, perms);
+ client->write(fd, buf, 1048576*2, 1048576);
+ client->fsync(fd, true);
+ client->close(fd);
+}
Code Review / stor4nfv.git / blobdiff