| // Copyright 2012 The Goma Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| |
| #include "autolock_timer.h" |
| |
| #include <algorithm> |
| #include <iomanip> |
| |
| namespace devtools_goma { |
| |
| AutoLockStats* g_auto_lock_stats; |
| |
| static const double kNanosecondsPerSecond = 1000000000; |
| |
| AutoLockStat* AutoLockStats::NewStat(const char* name) { |
| AutoLock lock(&mu_); |
| std::unique_ptr<AutoLockStat> statp(new AutoLockStat(name)); |
| AutoLockStat* statp_ptr = statp.get(); |
| stats_.push_back(std::move(statp)); |
| return statp_ptr; |
| } |
| |
| void AutoLockStats::TextReport(std::ostringstream* ss) { |
| struct Stat { |
| const char* name; |
| int count; |
| |
| // nanoseconds |
| int64_t total_wait, max_wait, total_hold, max_hold; |
| }; |
| |
| std::vector<Stat> stats; |
| |
| { |
| AutoLock lock(&mu_); |
| for (size_t i = 0; i < stats_.size(); ++i) { |
| AutoLockStat* stat = stats_[i].get(); |
| |
| Stat s; |
| stat->GetStats(&s.count, &s.total_wait, &s.max_wait, |
| &s.total_hold, &s.max_hold); |
| s.name = stat->name; |
| stats.push_back(s); |
| } |
| } |
| |
| std::sort(stats.begin(), stats.end(), |
| [](const Stat& l, const Stat& r) { |
| return l.total_wait > r.total_wait; |
| }); |
| |
| for (const auto& s : stats) { |
| (*ss) << s.name |
| << " count: " << s.count |
| << " total-wait: " |
| << s.total_wait / kNanosecondsPerSecond |
| << " max-wait: " |
| << s.max_wait / kNanosecondsPerSecond |
| << " ave-wait: " |
| << s.total_wait / kNanosecondsPerSecond / std::max(s.count, 1) |
| << " total-hold: " |
| << s.total_hold / kNanosecondsPerSecond |
| << " max-hold: " |
| << s.max_hold / kNanosecondsPerSecond |
| << " ave-hold: " |
| << s.total_hold / kNanosecondsPerSecond / std::max(s.count, 1) |
| << "\n"; |
| } |
| } |
| |
| void AutoLockStats::Report(std::ostringstream* ss, |
| const std::unordered_set<std::string>& skip_names) { |
| (*ss) << "<html>" |
| << "<script src=\"/static/jquery.min.js\"></script>" |
| << "<script src=\"/static/compiler_proxy_contentionz_script.js\">" |
| << "</script>" |
| << "<body onload=\"init()\">" |
| << (skip_names.empty() ? |
| "<a href=\"./contentionz\">simplified</a>" : |
| "<a href=\"./contentionz?detailed=1\">detailed</a>") |
| << "<table border=\"1\"><thead>" |
| << "<tr><th>name</th>" |
| << "<th class=\"count\">count</th>" |
| << "<th class=\"total-wait\">total wait</th>" |
| << "<th class=\"max-wait\">max wait</th>" |
| << "<th class=\"ave-wait\">ave wait</th>" |
| << "<th class=\"total-hold\">total hold</th>" |
| << "<th class=\"max-hold\">max hold</th>" |
| << "<th class=\"ave-hold\">ave hold</th>" |
| << "</tr></thead>\n" |
| << "<tbody>" |
| << std::fixed << std::setprecision(9); |
| |
| { |
| AutoLock lock(&mu_); |
| for (size_t i = 0; i < stats_.size(); ++i) { |
| AutoLockStat* stat = stats_[i].get(); |
| if (skip_names.find(stat->name) != skip_names.end()) { |
| continue; |
| } |
| |
| int count = 0; |
| int64_t total_wait_time_ns = 0; |
| int64_t max_wait_time_ns = 0; |
| int64_t total_hold_time_ns = 0; |
| int64_t max_hold_time_ns = 0; |
| stat->GetStats(&count, &total_wait_time_ns, &max_wait_time_ns, |
| &total_hold_time_ns, &max_hold_time_ns); |
| (*ss) << "<tr><td>" << stat->name << "</td>" |
| << "<td class=\"count\">" << count << "</td>" |
| << "<td class=\"total-wait\">" |
| << total_wait_time_ns / kNanosecondsPerSecond << "</td>" |
| << "<td class=\"max-wait\">" |
| << max_wait_time_ns / kNanosecondsPerSecond << "</td>" |
| << "<td class=\"ave-wait\">" |
| << total_wait_time_ns / count / kNanosecondsPerSecond << "</td>" |
| << "<td class=\"total-hold\">" |
| << total_hold_time_ns / kNanosecondsPerSecond << "</td>" |
| << "<td class=\"max-hold\">" |
| << max_hold_time_ns / kNanosecondsPerSecond << "</td>" |
| << "<td class=\"ave-hold\">" |
| << total_hold_time_ns / count / kNanosecondsPerSecond << "</td>" |
| << "</tr>\n"; |
| } |
| } |
| |
| (*ss) << "</tbody>" |
| << "</table></body></html>"; |
| } |
| |
| } // namespace devtools_goma |
