X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fperfglue%2Fheap_profiler.cc;fp=src%2Fceph%2Fsrc%2Fperfglue%2Fheap_profiler.cc;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=e35f6b1da2454898a70315d39a4081f80b04a752;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git diff --git a/src/ceph/src/perfglue/heap_profiler.cc b/src/ceph/src/perfglue/heap_profiler.cc deleted file mode 100644 index e35f6b1..0000000 --- a/src/ceph/src/perfglue/heap_profiler.cc +++ /dev/null @@ -1,157 +0,0 @@ -// -*- 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) 2011 New Dream Network/Sage Weil - * - * 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 "acconfig.h" - -// Use the newer gperftools header locations if available. -// If not, fall back to the old (gperftools < 2.0) locations. - -#include -#include - -#include "heap_profiler.h" -#include "common/environment.h" -#include "common/LogClient.h" -#include "global/global_context.h" -#include "common/debug.h" - -#define dout_context g_ceph_context - -bool ceph_using_tcmalloc() -{ - return true; -} - -void ceph_heap_profiler_init() -{ - // Two other interesting environment variables to set are: - // HEAP_PROFILE_ALLOCATION_INTERVAL, HEAP_PROFILE_INUSE_INTERVAL - if (get_env_bool("CEPH_HEAP_PROFILER_INIT")) { - ceph_heap_profiler_start(); - } -} - -void ceph_heap_profiler_stats(char *buf, int length) -{ - MallocExtension::instance()->GetStats(buf, length); -} - -void ceph_heap_release_free_memory() -{ - MallocExtension::instance()->ReleaseFreeMemory(); -} - -bool ceph_heap_get_numeric_property( - const char *property, size_t *value) -{ - return MallocExtension::instance()->GetNumericProperty( - property, - value); -} - -bool ceph_heap_set_numeric_property( - const char *property, size_t value) -{ - return MallocExtension::instance()->SetNumericProperty( - property, - value); -} - -bool ceph_heap_profiler_running() -{ -#ifdef HAVE_LIBTCMALLOC - return IsHeapProfilerRunning(); -#else - return false; -#endif -} - -static void get_profile_name(char *profile_name, int profile_name_len) -{ - char path[PATH_MAX]; - snprintf(path, sizeof(path), "%s", g_conf->log_file.c_str()); - char *last_slash = rindex(path, '/'); - - if (last_slash == NULL) { - snprintf(profile_name, profile_name_len, "./%s.profile", - g_conf->name.to_cstr()); - } - else { - last_slash[1] = '\0'; - snprintf(profile_name, profile_name_len, "%s/%s.profile", - path, g_conf->name.to_cstr()); - } -} - -void ceph_heap_profiler_start() -{ -#ifdef HAVE_LIBTCMALLOC - char profile_name[PATH_MAX]; - get_profile_name(profile_name, sizeof(profile_name)); - generic_dout(0) << "turning on heap profiler with prefix " - << profile_name << dendl; - HeapProfilerStart(profile_name); -#endif -} - -void ceph_heap_profiler_stop() -{ -#ifdef HAVE_LIBTCMALLOC - HeapProfilerStop(); -#endif -} - -void ceph_heap_profiler_dump(const char *reason) -{ -#ifdef HAVE_LIBTCMALLOC - HeapProfilerDump(reason); -#endif -} - -#define HEAP_PROFILER_STATS_SIZE 2048 - -void ceph_heap_profiler_handle_command(const std::vector& cmd, - ostream& out) -{ -#ifdef HAVE_LIBTCMALLOC - if (cmd.size() == 1 && cmd[0] == "dump") { - if (!ceph_heap_profiler_running()) { - out << "heap profiler not running; can't dump"; - return; - } - char heap_stats[HEAP_PROFILER_STATS_SIZE]; - ceph_heap_profiler_stats(heap_stats, sizeof(heap_stats)); - out << g_conf->name << " dumping heap profile now.\n" - << heap_stats; - ceph_heap_profiler_dump("admin request"); - } else if (cmd.size() == 1 && cmd[0] == "start_profiler") { - ceph_heap_profiler_start(); - out << g_conf->name << " started profiler"; - } else if (cmd.size() == 1 && cmd[0] == "stop_profiler") { - ceph_heap_profiler_stop(); - out << g_conf->name << " stopped profiler"; - } else if (cmd.size() == 1 && cmd[0] == "release") { - ceph_heap_release_free_memory(); - out << g_conf->name << " releasing free RAM back to system."; - } else -#endif - if (cmd.size() == 1 && cmd[0] == "stats") { - char heap_stats[HEAP_PROFILER_STATS_SIZE]; - ceph_heap_profiler_stats(heap_stats, sizeof(heap_stats)); - out << g_conf->name << " tcmalloc heap stats:" - << heap_stats; - } else { - out << "unknown command " << cmd; - } -}