src/ceph/src/osd/mClockOpClassQueue.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2016 Red Hat Inc.
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15
  16 #include <memory>
  17
  18 #include "osd/mClockOpClassQueue.h"
  19 #include "common/dout.h"
  20
  21
  22 namespace dmc = crimson::dmclock;
  23
  24
  25 #define dout_context cct
  26 #define dout_subsys ceph_subsys_osd
  27 #undef dout_prefix
  28 #define dout_prefix *_dout
  29
  30
  31 namespace ceph {
  32
  33   mClockOpClassQueue::mclock_op_tags_t::mclock_op_tags_t(CephContext *cct) :
  34     client_op(cct->_conf->osd_op_queue_mclock_client_op_res,
  35               cct->_conf->osd_op_queue_mclock_client_op_wgt,
  36               cct->_conf->osd_op_queue_mclock_client_op_lim),
  37     osd_subop(cct->_conf->osd_op_queue_mclock_osd_subop_res,
  38               cct->_conf->osd_op_queue_mclock_osd_subop_wgt,
  39               cct->_conf->osd_op_queue_mclock_osd_subop_lim),
  40     snaptrim(cct->_conf->osd_op_queue_mclock_snap_res,
  41              cct->_conf->osd_op_queue_mclock_snap_wgt,
  42              cct->_conf->osd_op_queue_mclock_snap_lim),
  43     recov(cct->_conf->osd_op_queue_mclock_recov_res,
  44           cct->_conf->osd_op_queue_mclock_recov_wgt,
  45           cct->_conf->osd_op_queue_mclock_recov_lim),
  46     scrub(cct->_conf->osd_op_queue_mclock_scrub_res,
  47           cct->_conf->osd_op_queue_mclock_scrub_wgt,
  48           cct->_conf->osd_op_queue_mclock_scrub_lim)
  49   {
  50     dout(20) <<
  51       "mClockOpClassQueue settings:: " <<
  52       "client_op:" << client_op <<
  53       "; osd_subop:" << osd_subop <<
  54       "; snaptrim:" << snaptrim <<
  55       "; recov:" << recov <<
  56       "; scrub:" << scrub <<
  57       dendl;
  58   }
  59
  60
  61   dmc::ClientInfo
  62   mClockOpClassQueue::op_class_client_info_f(const osd_op_type_t& op_type) {
  63     switch(op_type) {
  64     case osd_op_type_t::client_op:
  65       return mclock_op_tags->client_op;
  66     case osd_op_type_t::osd_subop:
  67       return mclock_op_tags->osd_subop;
  68     case osd_op_type_t::bg_snaptrim:
  69       return mclock_op_tags->snaptrim;
  70     case osd_op_type_t::bg_recovery:
  71       return mclock_op_tags->recov;
  72     case osd_op_type_t::bg_scrub:
  73       return mclock_op_tags->scrub;
  74     default:
  75       assert(0);
  76       return dmc::ClientInfo(-1, -1, -1);
  77     }
  78   }
  79
  80   /*
  81    * class mClockOpClassQueue
  82    */
  83
  84   std::unique_ptr<mClockOpClassQueue::mclock_op_tags_t>
  85   mClockOpClassQueue::mclock_op_tags(nullptr);
  86
  87   mClockOpClassQueue::pg_queueable_visitor_t
  88   mClockOpClassQueue::pg_queueable_visitor;
  89
  90   mClockOpClassQueue::mClockOpClassQueue(CephContext *cct) :
  91     queue(&mClockOpClassQueue::op_class_client_info_f)
  92   {
  93     // manage the singleton
  94     if (!mclock_op_tags) {
  95       mclock_op_tags.reset(new mclock_op_tags_t(cct));
  96     }
  97   }
  98
  99   mClockOpClassQueue::osd_op_type_t
 100   mClockOpClassQueue::get_osd_op_type(const Request& request) {
 101     osd_op_type_t type =
 102       boost::apply_visitor(pg_queueable_visitor, request.second.get_variant());
 103
 104     // if we got client_op back then we need to distinguish between
 105     // a client op and an osd subop.
 106
 107     if (osd_op_type_t::client_op != type) {
 108       return type;
 109     } else if (MSG_OSD_SUBOP ==
 110                boost::get<OpRequestRef>(
 111                  request.second.get_variant())->get_req()->get_header().type) {
 112       return osd_op_type_t::osd_subop;
 113     } else {
 114       return osd_op_type_t::client_op;
 115     }
 116   }
 117
 118   // Formatted output of the queue
 119   void mClockOpClassQueue::dump(ceph::Formatter *f) const {
 120     queue.dump(f);
 121   }
 122
 123 } // namespace ceph