fschneider@google.com
16857e0b13
It caused severe performance regressions that should be addressed. TBR=asiva@google.com Review URL: https://codereview.chromium.org//177733002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@32959 260f80e4-7a28-3924-810f-c04153c831b5
55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/timer.h"
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#include "vm/json_stream.h"
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namespace dart {
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// Define timer command line flags.
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#define DEFINE_TIMER_FLAG(name, msg) \
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DEFINE_FLAG(bool, name, false, ""#name);
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TIMER_LIST(DEFINE_TIMER_FLAG)
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#undef DEFINE_TIMER_FLAG
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DEFINE_FLAG(bool, time_all, false, "Time all functionality");
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// Maintains a list of timers per isolate.
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#define INIT_TIMERS(name, msg) \
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name##_((FLAG_##name || FLAG_time_all), msg),
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TimerList::TimerList()
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: TIMER_LIST(INIT_TIMERS)
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padding_(false) {
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}
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#undef INIT_TIMERS
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#define TIMER_FIELD_REPORT(name, msg) \
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if (name().report() && name().message() != NULL) { \
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OS::Print("%s : %" Pd64 " micros.\n", \
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name().message(), \
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name().TotalElapsedTime()); \
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}
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void TimerList::ReportTimers() {
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TIMER_LIST(TIMER_FIELD_REPORT);
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}
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#undef TIMER_FIELD_REPORT
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#define JSON_TIMER(name, msg) \
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{ \
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JSONObject jsobj(&jsarr); \
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jsobj.AddProperty("name", #name); \
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double seconds = static_cast<double>(name().TotalElapsedTime()) / \
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static_cast<double>(kMicrosecondsPerSecond); \
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jsobj.AddProperty("time", seconds); \
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}
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void TimerList::PrintTimersToJSONProperty(JSONObject* jsobj) {
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JSONArray jsarr(jsobj, "timers");
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TIMER_LIST(JSON_TIMER);
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}
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#undef JSON_TIMER
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} // namespace dart
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