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This commit is contained in:
Ian Gulliver
2019-05-18 12:16:19 -07:00
parent a70d79e869
commit e03b7da056
4 changed files with 232 additions and 72 deletions
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91
usage.cc
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@@ -8,63 +8,72 @@ namespace fireusage {
namespace {
std::chrono::nanoseconds TvToNs(const timeval& tv) {
return std::chrono::seconds(tv.tv_sec) + std::chrono::microseconds(tv.tv_usec);
return std::chrono::seconds(tv.tv_sec) +
std::chrono::microseconds(tv.tv_usec);
}
} // namespace
} // namespace
void UsageTracker::AddEvents(uint64_t num) {
events_ += num;
}
void UsageTracker::AddEvents(uint64_t num) { events_ += num; }
void UsageTracker::AddEvent() {
events_ += 1;
}
void UsageTracker::AddEvent() { events_ += 1; }
void UsageTracker::Start() {
CHECK(!running_);
running_ = true;
CHECK(!running_);
running_ = true;
PCHECK(getrusage(RUSAGE_THREAD, &start_usage_) == 0);
start_time_ = std::chrono::steady_clock::now();
PCHECK(getrusage(RUSAGE_THREAD, &start_usage_) == 0);
start_time_ = std::chrono::steady_clock::now();
}
void UsageTracker::Stop() {
CHECK(running_);
running_ = false;
CHECK(running_);
running_ = false;
const auto end_time = std::chrono::steady_clock::now();
const auto end_time = std::chrono::steady_clock::now();
rusage end_usage;
PCHECK(getrusage(RUSAGE_THREAD, &end_usage) == 0);
rusage end_usage;
PCHECK(getrusage(RUSAGE_THREAD, &end_usage) == 0);
wall_time_ += end_time - start_time_;
user_time_ += TvToNs(end_usage.ru_utime) - TvToNs(start_usage_.ru_utime);
sys_time_ += TvToNs(end_usage.ru_stime) - TvToNs(start_usage_.ru_stime);
vol_ctxt_sw_ += end_usage.ru_nvcsw - start_usage_.ru_nvcsw;
invol_ctxt_sw_ += end_usage.ru_nivcsw - start_usage_.ru_nivcsw;
wall_time_ += end_time - start_time_;
user_time_ += TvToNs(end_usage.ru_utime) - TvToNs(start_usage_.ru_utime);
sys_time_ += TvToNs(end_usage.ru_stime) - TvToNs(start_usage_.ru_stime);
vol_ctxt_sw_ += end_usage.ru_nvcsw - start_usage_.ru_nvcsw;
invol_ctxt_sw_ += end_usage.ru_nivcsw - start_usage_.ru_nivcsw;
}
void UsageTracker::Log(const std::string_view& title) {
if (!title.empty()) {
// Need to do this here so --vmodule works properly
VLOG(1) << title << ":";
}
if (!title.empty()) {
// Need to do this here so --vmodule works properly
VLOG(1) << title << ":";
}
VLOG(1) << "\t events: " << std::setw(19) << std::setfill(' ') << events_;
VLOG(1) << "\t wall time: " << std::setw(19) << std::setfill(' ') << wall_time_.count() << "ns";
VLOG(1) << "\t user time: " << std::setw(19) << std::setfill(' ') << user_time_.count() << "ns (" << ((user_time_ * 100) / (user_time_ + sys_time_)) << "%)";
VLOG(1) << "\t sys time: " << std::setw(19) << std::setfill(' ') << sys_time_.count() << "ns (" << ((sys_time_ * 100) / (user_time_ + sys_time_)) << "%)";
VLOG(1) << "\t vol ctxt sw: " << std::setw(19) << std::setfill(' ') << vol_ctxt_sw_;
VLOG(1) << "\t invol ctxt sw: " << std::setw(19) << std::setfill(' ') << invol_ctxt_sw_;
if (events_) {
VLOG(1) << "\t wall time / event: " << std::setw(19) << std::setfill(' ') << (wall_time_ / events_).count() << "ns";
VLOG(1) << "\t user time / event: " << std::setw(19) << std::setfill(' ') << (user_time_ / events_).count() << "ns";
VLOG(1) << "\t sys time / event: " << std::setw(19) << std::setfill(' ') << (sys_time_ / events_).count() << "ns";
VLOG(1) << "\t vol ctxt sw / event: " << std::setw(19) << std::setfill(' ') << (vol_ctxt_sw_ / events_);
VLOG(1) << "\tinvol ctxt sw / event: " << std::setw(19) << std::setfill(' ') << (invol_ctxt_sw_ / events_);
}
VLOG(1) << "\t events: " << std::setw(19) << std::setfill(' ')
<< events_;
VLOG(1) << "\t wall time: " << std::setw(19) << std::setfill(' ')
<< wall_time_.count() << "ns";
VLOG(1) << "\t user time: " << std::setw(19) << std::setfill(' ')
<< user_time_.count() << "ns ("
<< ((user_time_ * 100) / (user_time_ + sys_time_)) << "%)";
VLOG(1) << "\t sys time: " << std::setw(19) << std::setfill(' ')
<< sys_time_.count() << "ns ("
<< ((sys_time_ * 100) / (user_time_ + sys_time_)) << "%)";
VLOG(1) << "\t vol ctxt sw: " << std::setw(19) << std::setfill(' ')
<< vol_ctxt_sw_;
VLOG(1) << "\t invol ctxt sw: " << std::setw(19) << std::setfill(' ')
<< invol_ctxt_sw_;
if (events_) {
VLOG(1) << "\t wall time / event: " << std::setw(19) << std::setfill(' ')
<< (wall_time_ / events_).count() << "ns";
VLOG(1) << "\t user time / event: " << std::setw(19) << std::setfill(' ')
<< (user_time_ / events_).count() << "ns";
VLOG(1) << "\t sys time / event: " << std::setw(19) << std::setfill(' ')
<< (sys_time_ / events_).count() << "ns";
VLOG(1) << "\t vol ctxt sw / event: " << std::setw(19) << std::setfill(' ')
<< (vol_ctxt_sw_ / events_);
VLOG(1) << "\tinvol ctxt sw / event: " << std::setw(19) << std::setfill(' ')
<< (invol_ctxt_sw_ / events_);
}
}
} // namespace fireusage
} // namespace fireusage