ceph/src/osd/OpRequest.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2
   3 #include "OpRequest.h"
   4 #include "common/Formatter.h"
   5 #include <iostream>
   6 #include <vector>
   7 #include "common/debug.h"
   8 #include "common/config.h"
   9 #include "msg/Message.h"
  10 #include "messages/MOSDOp.h"
  11 #include "messages/MOSDSubOp.h"
  12 #include "messages/MOSDRepOp.h"
  13 #include "include/assert.h"
  14 #include "osd/osd_types.h"
  15
  16 #ifdef WITH_LTTNG
  17 #define TRACEPOINT_DEFINE
  18 #define TRACEPOINT_PROBE_DYNAMIC_LINKAGE
  19 #include "tracing/oprequest.h"
  20 #undef TRACEPOINT_PROBE_DYNAMIC_LINKAGE
  21 #undef TRACEPOINT_DEFINE
  22 #else
  23 #define tracepoint(...)
  24 #endif
  25
  26 OpRequest::OpRequest(Message *req, OpTracker *tracker) :
  27   TrackedOp(tracker, req->get_recv_stamp()),
  28   rmw_flags(0), request(req),
  29   hit_flag_points(0), latest_flag_point(0),
  30   hitset_inserted(false) {
  31   if (req->get_priority() < tracker->cct->_conf->osd_client_op_priority) {
  32     // don't warn as quickly for low priority ops
  33     warn_interval_multiplier = tracker->cct->_conf->osd_recovery_op_warn_multiple;
  34   }
  35   if (req->get_type() == CEPH_MSG_OSD_OP) {
  36     reqid = static_cast<MOSDOp*>(req)->get_reqid();
  37   } else if (req->get_type() == MSG_OSD_SUBOP) {
  38     reqid = static_cast<MOSDSubOp*>(req)->reqid;
  39   } else if (req->get_type() == MSG_OSD_REPOP) {
  40     reqid = static_cast<MOSDRepOp*>(req)->reqid;
  41   }
  42   mark_event("header_read", request->get_recv_stamp());
  43   mark_event("throttled", request->get_throttle_stamp());
  44   mark_event("all_read", request->get_recv_complete_stamp());
  45   mark_event("dispatched", request->get_dispatch_stamp());
  46 }
  47
  48 void OpRequest::_dump(Formatter *f) const
  49 {
  50   Message *m = request;
  51   f->dump_string("flag_point", state_string());
  52   if (m->get_orig_source().is_client()) {
  53     f->open_object_section("client_info");
  54     stringstream client_name, client_addr;
  55     client_name << m->get_orig_source();
  56     client_addr << m->get_orig_source_addr();
  57     f->dump_string("client", client_name.str());
  58     f->dump_string("client_addr", client_addr.str());
  59     f->dump_unsigned("tid", m->get_tid());
  60     f->close_section(); // client_info
  61   }
  62   {
  63     f->open_array_section("events");
  64     Mutex::Locker l(lock);
  65     for (auto& i : events) {
  66       f->dump_object("event", i);
  67     }
  68     f->close_section();
  69   }
  70 }
  71
  72 void OpRequest::_dump_op_descriptor_unlocked(ostream& stream) const
  73 {
  74   get_req()->print(stream);
  75 }
  76
  77 void OpRequest::_unregistered() {
  78   request->clear_data();
  79   request->clear_payload();
  80   request->release_message_throttle();
  81   request->set_connection(nullptr);
  82 }
  83
  84 bool OpRequest::check_rmw(int flag) {
  85   assert(rmw_flags != 0);
  86   return rmw_flags & flag;
  87 }
  88 bool OpRequest::may_read() {
  89   return need_read_cap() || check_rmw(CEPH_OSD_RMW_FLAG_CLASS_READ);
  90 }
  91 bool OpRequest::may_write() {
  92   return need_write_cap() || check_rmw(CEPH_OSD_RMW_FLAG_CLASS_WRITE);
  93 }
  94 bool OpRequest::may_cache() { return check_rmw(CEPH_OSD_RMW_FLAG_CACHE); }
  95 bool OpRequest::rwordered_forced() {
  96   return check_rmw(CEPH_OSD_RMW_FLAG_RWORDERED);
  97 }
  98 bool OpRequest::rwordered() {
  99   return may_write() || may_cache() || rwordered_forced();
 100 }
 101
 102 bool OpRequest::includes_pg_op() { return check_rmw(CEPH_OSD_RMW_FLAG_PGOP); }
 103 bool OpRequest::need_read_cap() {
 104   return check_rmw(CEPH_OSD_RMW_FLAG_READ);
 105 }
 106 bool OpRequest::need_write_cap() {
 107   return check_rmw(CEPH_OSD_RMW_FLAG_WRITE);
 108 }
 109 bool OpRequest::need_promote() {
 110   return check_rmw(CEPH_OSD_RMW_FLAG_FORCE_PROMOTE);
 111 }
 112 bool OpRequest::need_skip_handle_cache() {
 113   return check_rmw(CEPH_OSD_RMW_FLAG_SKIP_HANDLE_CACHE);
 114 }
 115 bool OpRequest::need_skip_promote() {
 116   return check_rmw(CEPH_OSD_RMW_FLAG_SKIP_PROMOTE);
 117 }
 118
 119 void OpRequest::set_rmw_flags(int flags) {
 120 #ifdef WITH_LTTNG
 121   int old_rmw_flags = rmw_flags;
 122 #endif
 123   rmw_flags |= flags;
 124   tracepoint(oprequest, set_rmw_flags, reqid.name._type,
 125              reqid.name._num, reqid.tid, reqid.inc,
 126              flags, old_rmw_flags, rmw_flags);
 127 }
 128
 129 void OpRequest::set_read() { set_rmw_flags(CEPH_OSD_RMW_FLAG_READ); }
 130 void OpRequest::set_write() { set_rmw_flags(CEPH_OSD_RMW_FLAG_WRITE); }
 131 void OpRequest::set_class_read() { set_rmw_flags(CEPH_OSD_RMW_FLAG_CLASS_READ); }
 132 void OpRequest::set_class_write() { set_rmw_flags(CEPH_OSD_RMW_FLAG_CLASS_WRITE); }
 133 void OpRequest::set_pg_op() { set_rmw_flags(CEPH_OSD_RMW_FLAG_PGOP); }
 134 void OpRequest::set_cache() { set_rmw_flags(CEPH_OSD_RMW_FLAG_CACHE); }
 135 void OpRequest::set_promote() { set_rmw_flags(CEPH_OSD_RMW_FLAG_FORCE_PROMOTE); }
 136 void OpRequest::set_skip_handle_cache() { set_rmw_flags(CEPH_OSD_RMW_FLAG_SKIP_HANDLE_CACHE); }
 137 void OpRequest::set_skip_promote() { set_rmw_flags(CEPH_OSD_RMW_FLAG_SKIP_PROMOTE); }
 138 void OpRequest::set_force_rwordered() { set_rmw_flags(CEPH_OSD_RMW_FLAG_RWORDERED); }
 139
 140 void OpRequest::mark_flag_point(uint8_t flag, const char *s) {
 141 #ifdef WITH_LTTNG
 142   uint8_t old_flags = hit_flag_points;
 143 #endif
 144   mark_event(s);
 145   hit_flag_points |= flag;
 146   latest_flag_point = flag;
 147   tracepoint(oprequest, mark_flag_point, reqid.name._type,
 148              reqid.name._num, reqid.tid, reqid.inc, rmw_flags,
 149              flag, s, old_flags, hit_flag_points);
 150 }
 151
 152 void OpRequest::mark_flag_point_string(uint8_t flag, const string& s) {
 153 #ifdef WITH_LTTNG
 154   uint8_t old_flags = hit_flag_points;
 155 #endif
 156   mark_event_string(s);
 157   hit_flag_points |= flag;
 158   latest_flag_point = flag;
 159   tracepoint(oprequest, mark_flag_point, reqid.name._type,
 160              reqid.name._num, reqid.tid, reqid.inc, rmw_flags,
 161              flag, s.c_str(), old_flags, hit_flag_points);
 162 }
 163
 164 ostream& operator<<(ostream& out, const OpRequest::ClassInfo& i)
 165 {
 166   out << "class " << i.name << " rd " << i.read
 167     << " wr " << i.write << " wl " << i.whitelisted;
 168   return out;
 169 }