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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/compositor/compositor_animation_observer.h"
#include "base/debug/debugger.h"
#include "base/logging.h"
#include "base/notreached.h"
#include "base/time/time.h"
#include "base/time/time_override.h"
#include "base/trace_event/base_tracing.h"
#include "base/trace_event/trace_event.h"
namespace ui {
namespace {
// Setting to false disable the check globally.
bool default_check_active_duration = true;
} // namespace
// This warning should only be fatal on non-official DCHECK builds that are not
// known to be runtime-slow. Slow builds for this purpose are debug builds
// (!NDEBUG) and any sanitizer build.
#if !DCHECK_IS_ON() || defined(OFFICIAL_BUILD) || !defined(NDEBUG) || \
defined(ADDRESS_SANITIZER) || defined(MEMORY_SANITIZER) || \
defined(THREAD_SANITIZER) || defined(LEAK_SANITIZER) || \
defined(UNDEFINED_SANITIZER)
#define DFATAL_OR_WARNING WARNING
#else
#define DFATAL_OR_WARNING DFATAL
#endif
// Log animations that took more than 1m. When DCHECK is enabled, it will fail
// with DCHECK error.
constexpr base::TimeDelta kThreshold = base::Minutes(1);
CompositorAnimationObserver::CompositorAnimationObserver(
const base::Location& location)
: location_(location) {}
CompositorAnimationObserver::~CompositorAnimationObserver() = default;
void CompositorAnimationObserver::Start() {
if (default_check_active_duration && check_active_duration_)
start_.emplace(base::TimeTicks::Now());
}
void CompositorAnimationObserver::Check() {
if (start_ && (base::TimeTicks::Now() - *start_ > kThreshold)) {
NotifyFailure();
start_.reset();
}
}
void CompositorAnimationObserver::ResetIfActive() {
if (start_)
start_.emplace(base::TimeTicks::Now());
}
void CompositorAnimationObserver::NotifyFailure() {
if (!base::debug::BeingDebugged() &&
!base::subtle::ScopedTimeClockOverrides::overrides_active()) {
TRACE_EVENT_BEGIN("ui", "LongCompositorAnimationObserved",
perfetto::ThreadTrack::Current(), *start_);
TRACE_EVENT_END("ui");
LOG(DFATAL_OR_WARNING)
<< "CompositorAnimationObserver is active for too long ("
<< (base::TimeTicks::Now() - *start_).InSecondsF()
<< "s) location=" << location_.ToString();
}
}
void CompositorAnimationObserver::DisableCheckActiveDuration() {
default_check_active_duration = false;
}
} // namespace ui
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