mirror of
https://github.com/dart-lang/sdk
synced 2024-09-05 00:13:50 +00:00
![Ryan Macnak](/assets/img/avatar_default.png)
Assume the embedder provides static strings for event labels. TEST=Instruments Bug: https://github.com/dart-lang/sdk/issues/49178 Change-Id: I40aa4996fed2b1230da64d182e6f172f60480fdf Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/251145 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#include "vm/globals.h"
|
|
#if defined(DART_HOST_OS_MACOS) && defined(SUPPORT_TIMELINE)
|
|
|
|
#include "vm/log.h"
|
|
#include "vm/timeline.h"
|
|
|
|
namespace dart {
|
|
|
|
// Only available on iOS 12.0, macOS 10.14 or above
|
|
TimelineEventMacosRecorder::TimelineEventMacosRecorder()
|
|
: TimelineEventPlatformRecorder() {
|
|
Timeline::set_recorder_discards_clock_values(true);
|
|
}
|
|
|
|
TimelineEventMacosRecorder::~TimelineEventMacosRecorder() {}
|
|
|
|
void TimelineEventMacosRecorder::OnEvent(TimelineEvent* event) {
|
|
if (event == NULL) {
|
|
return;
|
|
}
|
|
|
|
#if defined(DART_HOST_OS_SUPPORTS_SIGNPOST)
|
|
os_log_t log = event->stream_->macos_log();
|
|
if (!os_signpost_enabled(log)) {
|
|
return;
|
|
}
|
|
|
|
const char* label = event->label();
|
|
bool is_static_label = event->stream_->has_static_labels();
|
|
uint8_t _Alignas(16) buffer[64];
|
|
buffer[0] = 0;
|
|
|
|
switch (event->event_type()) {
|
|
case TimelineEvent::kInstant:
|
|
if (is_static_label) {
|
|
_os_signpost_emit_with_name_impl(&__dso_handle, log, OS_SIGNPOST_EVENT,
|
|
OS_SIGNPOST_ID_EXCLUSIVE, label, "",
|
|
buffer, sizeof(buffer));
|
|
} else {
|
|
os_signpost_event_emit(log, OS_SIGNPOST_ID_EXCLUSIVE, "Event", "%s",
|
|
label);
|
|
}
|
|
break;
|
|
case TimelineEvent::kBegin:
|
|
case TimelineEvent::kAsyncBegin:
|
|
if (is_static_label) {
|
|
_os_signpost_emit_with_name_impl(
|
|
&__dso_handle, log, OS_SIGNPOST_INTERVAL_BEGIN, event->Id(), label,
|
|
"", buffer, sizeof(buffer));
|
|
} else {
|
|
os_signpost_interval_begin(log, event->Id(), "Event", "%s", label);
|
|
}
|
|
break;
|
|
case TimelineEvent::kEnd:
|
|
case TimelineEvent::kAsyncEnd:
|
|
if (is_static_label) {
|
|
_os_signpost_emit_with_name_impl(&__dso_handle, log,
|
|
OS_SIGNPOST_INTERVAL_END, event->Id(),
|
|
label, "", buffer, sizeof(buffer));
|
|
} else {
|
|
os_signpost_interval_end(log, event->Id(), "Event");
|
|
}
|
|
break;
|
|
case TimelineEvent::kCounter:
|
|
os_signpost_event_emit(log, OS_SIGNPOST_ID_EXCLUSIVE, "Counter", "%s=%s",
|
|
label, event->arguments()[0].value);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
#endif // defined(DART_HOST_OS_SUPPORTS_SIGNPOST)
|
|
}
|
|
|
|
} // namespace dart
|
|
|
|
#endif // defined(DART_HOST_OS_MACOS) && defined(SUPPORT_TIMELINE)
|