Bump to WebRTC M120 release
Some API deprecation -- ExperimentalAgc and ExperimentalNs are gone. We're continuing to carry iSAC even though it's gone upstream, but maybe we'll want to drop that soon.
This commit is contained in:
Arun Raghavan
@ -16,7 +16,7 @@
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namespace webrtc {
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// List of features in x86.
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typedef enum { kSSE2, kSSE3, kAVX2 } CPUFeature;
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typedef enum { kSSE2, kSSE3, kAVX2, kFMA3 } CPUFeature;
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// List of features in ARM.
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enum {
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56
webrtc/system_wrappers/include/denormal_disabler.h
Normal file
56
webrtc/system_wrappers/include/denormal_disabler.h
Normal file
@ -0,0 +1,56 @@
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/*
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* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef SYSTEM_WRAPPERS_INCLUDE_DENORMAL_DISABLER_H_
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#define SYSTEM_WRAPPERS_INCLUDE_DENORMAL_DISABLER_H_
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#include "rtc_base/system/arch.h"
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namespace webrtc {
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// Activates the hardware (HW) way to flush denormals (see [1]) to zero as they
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// can very seriously impact performance. At destruction time restores the
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// denormals handling state read by the ctor; hence, supports nested calls.
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// Equals a no-op if the architecture is not x86 or ARM or if the compiler is
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// not CLANG.
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// [1] https://en.wikipedia.org/wiki/Denormal_number
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//
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// Example usage:
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//
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// void Foo() {
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// DenormalDisabler d;
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// ...
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// }
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class DenormalDisabler {
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public:
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// Ctor. If architecture and compiler are supported, stores the HW settings
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// for denormals, disables denormals and sets `disabling_activated_` to true.
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// Otherwise, only sets `disabling_activated_` to false.
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DenormalDisabler();
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// Ctor. Same as above, but also requires `enabled` to be true to disable
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// denormals.
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explicit DenormalDisabler(bool enabled);
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DenormalDisabler(const DenormalDisabler&) = delete;
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DenormalDisabler& operator=(const DenormalDisabler&) = delete;
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// Dtor. If `disabling_activated_` is true, restores the denormals HW settings
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// read by the ctor before denormals were disabled. Otherwise it's a no-op.
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~DenormalDisabler();
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// Returns true if architecture and compiler are supported.
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static bool IsSupported();
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private:
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const int status_word_;
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const bool disabling_activated_;
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};
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} // namespace webrtc
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#endif // SYSTEM_WRAPPERS_INCLUDE_DENORMAL_DISABLER_H_
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@ -13,6 +13,9 @@
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#include <string>
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#include "absl/strings/string_view.h"
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#include "rtc_base/containers/flat_set.h"
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// Field trials allow webrtc clients (such as Chrome) to turn on feature code
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// in binaries out in the field and gather information with that.
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//
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@ -24,7 +27,7 @@
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// WEBRTC_EXCLUDE_FIELD_TRIAL_DEFAULT (if GN is used this can be achieved
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// by setting the GN arg rtc_exclude_field_trial_default to true).
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// 2. Provide an implementation of:
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// std::string webrtc::field_trial::FindFullName(const std::string& trial).
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// std::string webrtc::field_trial::FindFullName(absl::string_view trial).
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//
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// They are designed to wire up directly to chrome field trials and to speed up
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// developers by reducing the need to wire APIs to control whether a feature is
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@ -61,18 +64,18 @@ namespace field_trial {
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// if the trial does not exists.
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//
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// Note: To keep things tidy append all the trial names with WebRTC.
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std::string FindFullName(const std::string& name);
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std::string FindFullName(absl::string_view name);
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// Convenience method, returns true iff FindFullName(name) return a string that
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// starts with "Enabled".
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// TODO(tommi): Make sure all implementations support this.
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inline bool IsEnabled(const char* name) {
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inline bool IsEnabled(absl::string_view name) {
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return FindFullName(name).find("Enabled") == 0;
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}
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// Convenience method, returns true iff FindFullName(name) return a string that
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// starts with "Disabled".
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inline bool IsDisabled(const char* name) {
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inline bool IsDisabled(absl::string_view name) {
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return FindFullName(name).find("Disabled") == 0;
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}
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@ -84,17 +87,28 @@ void InitFieldTrialsFromString(const char* trials_string);
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const char* GetFieldTrialString();
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#ifndef WEBRTC_EXCLUDE_FIELD_TRIAL_DEFAULT
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// Validates the given field trial string.
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bool FieldTrialsStringIsValid(const char* trials_string);
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bool FieldTrialsStringIsValid(absl::string_view trials_string);
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// Merges two field trial strings.
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//
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// If a key (trial) exists twice with conflicting values (groups), the value
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// in 'second' takes precedence.
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// Shall only be called with valid FieldTrial strings.
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std::string MergeFieldTrialsStrings(const char* first, const char* second);
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#endif // WEBRTC_EXCLUDE_FIELD_TRIAL_DEFAULT
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std::string MergeFieldTrialsStrings(absl::string_view first,
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absl::string_view second);
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// This helper allows to temporary "register" a field trial within the current
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// scope. This is only useful for tests that use the global field trial string,
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// otherwise you can use `webrtc::FieldTrialsRegistry`.
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//
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// If you want to isolate changes to the global field trial string itself within
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// the current scope you should use `webrtc::test::ScopedFieldTrials`.
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class FieldTrialsAllowedInScopeForTesting {
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public:
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explicit FieldTrialsAllowedInScopeForTesting(flat_set<std::string> keys);
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~FieldTrialsAllowedInScopeForTesting();
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};
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} // namespace field_trial
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} // namespace webrtc
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@ -13,12 +13,14 @@
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#include <stddef.h>
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#include <atomic>
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#include <map>
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#include <memory>
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#include <string>
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#include "rtc_base/atomic_ops.h"
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#include "absl/strings/string_view.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/string_utils.h"
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#if defined(RTC_DISABLE_METRICS)
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#define RTC_METRICS_ENABLED 0
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@ -30,8 +32,8 @@ namespace webrtc {
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namespace metrics_impl {
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template <typename... Ts>
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void NoOp(const Ts&...) {}
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}
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}
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} // namespace metrics_impl
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} // namespace webrtc
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#if RTC_METRICS_ENABLED
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#define EXPECT_METRIC_EQ(val1, val2) EXPECT_EQ(val1, val2)
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@ -44,12 +46,16 @@ void NoOp(const Ts&...) {}
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#define EXPECT_METRIC_THAT(value, matcher) EXPECT_THAT(value, matcher)
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#else
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#define EXPECT_METRIC_EQ(val1, val2) webrtc::metrics_impl::NoOp(val1, val2)
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#define EXPECT_METRIC_EQ_WAIT(val1, val2, timeout) webrtc::metrics_impl::NoOp(val1, val2, timeout)
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#define EXPECT_METRIC_EQ_WAIT(val1, val2, timeout) \
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webrtc::metrics_impl::NoOp(val1, val2, timeout)
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#define EXPECT_METRIC_GT(val1, val2) webrtc::metrics_impl::NoOp(val1, val2)
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#define EXPECT_METRIC_LE(val1, val2) webrtc::metrics_impl::NoOp(val1, val2)
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#define EXPECT_METRIC_TRUE(condition) webrtc::metrics_impl::NoOp(condition || true)
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#define EXPECT_METRIC_FALSE(condition) webrtc::metrics_impl::NoOp(condition && false)
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#define EXPECT_METRIC_THAT(value, matcher) webrtc::metrics_impl::NoOp(value, testing::_)
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#define EXPECT_METRIC_TRUE(condition) \
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webrtc::metrics_impl::NoOp(condition || true)
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#define EXPECT_METRIC_FALSE(condition) \
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webrtc::metrics_impl::NoOp(condition && false)
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#define EXPECT_METRIC_THAT(value, matcher) \
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webrtc::metrics_impl::NoOp(value, testing::_)
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#endif
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#if RTC_METRICS_ENABLED
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@ -76,12 +82,12 @@ void NoOp(const Ts&...) {}
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// by setting the GN arg rtc_exclude_metrics_default to true).
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// 2. Provide implementations of:
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// Histogram* webrtc::metrics::HistogramFactoryGetCounts(
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// const std::string& name, int sample, int min, int max,
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// absl::string_view name, int sample, int min, int max,
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// int bucket_count);
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// Histogram* webrtc::metrics::HistogramFactoryGetEnumeration(
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// const std::string& name, int sample, int boundary);
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// absl::string_view name, int sample, int boundary);
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// void webrtc::metrics::HistogramAdd(
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// Histogram* histogram_pointer, const std::string& name, int sample);
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// Histogram* histogram_pointer, absl::string_view name, int sample);
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//
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// Example usage:
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//
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@ -163,7 +169,7 @@ void NoOp(const Ts&...) {}
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RTC_HISTOGRAM_ENUMERATION_SPARSE(name, sample, 2)
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// Histogram for enumerators (evenly spaced buckets).
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// |boundary| should be above the max enumerator sample.
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// `boundary` should be above the max enumerator sample.
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//
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// TODO(qingsi): Refactor the default implementation given by RtcHistogram,
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// which is already sparse, and remove the boundary argument from the macro.
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@ -181,33 +187,29 @@ void NoOp(const Ts&...) {}
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RTC_HISTOGRAM_ENUMERATION(name, sample, 2)
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// Histogram for enumerators (evenly spaced buckets).
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// |boundary| should be above the max enumerator sample.
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// `boundary` should be above the max enumerator sample.
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#define RTC_HISTOGRAM_ENUMERATION(name, sample, boundary) \
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RTC_HISTOGRAM_COMMON_BLOCK_SLOW( \
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name, sample, \
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webrtc::metrics::HistogramFactoryGetEnumeration(name, boundary))
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// The name of the histogram should not vary.
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// TODO(asapersson): Consider changing string to const char*.
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#define RTC_HISTOGRAM_COMMON_BLOCK(constant_name, sample, \
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factory_get_invocation) \
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do { \
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static webrtc::metrics::Histogram* atomic_histogram_pointer = nullptr; \
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webrtc::metrics::Histogram* histogram_pointer = \
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rtc::AtomicOps::AcquireLoadPtr(&atomic_histogram_pointer); \
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if (!histogram_pointer) { \
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histogram_pointer = factory_get_invocation; \
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webrtc::metrics::Histogram* prev_pointer = \
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rtc::AtomicOps::CompareAndSwapPtr( \
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&atomic_histogram_pointer, \
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static_cast<webrtc::metrics::Histogram*>(nullptr), \
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histogram_pointer); \
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RTC_DCHECK(prev_pointer == nullptr || \
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prev_pointer == histogram_pointer); \
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} \
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if (histogram_pointer) { \
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webrtc::metrics::HistogramAdd(histogram_pointer, sample); \
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} \
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#define RTC_HISTOGRAM_COMMON_BLOCK(constant_name, sample, \
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factory_get_invocation) \
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do { \
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static std::atomic<webrtc::metrics::Histogram*> atomic_histogram_pointer( \
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nullptr); \
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webrtc::metrics::Histogram* histogram_pointer = \
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atomic_histogram_pointer.load(std::memory_order_acquire); \
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if (!histogram_pointer) { \
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histogram_pointer = factory_get_invocation; \
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webrtc::metrics::Histogram* null_histogram = nullptr; \
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atomic_histogram_pointer.compare_exchange_strong(null_histogram, \
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histogram_pointer); \
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} \
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if (histogram_pointer) { \
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webrtc::metrics::HistogramAdd(histogram_pointer, sample); \
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} \
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} while (0)
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// The histogram is constructed/found for each call.
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@ -223,7 +225,7 @@ void NoOp(const Ts&...) {}
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// Helper macros.
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// Macros for calling a histogram with varying name (e.g. when using a metric
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// in different modes such as real-time vs screenshare). Fast, because pointer
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// is cached. |index| should be different for different names. Allowed |index|
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// is cached. `index` should be different for different names. Allowed `index`
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// values are 0, 1, and 2.
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#define RTC_HISTOGRAMS_COUNTS_100(index, name, sample) \
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RTC_HISTOGRAMS_COMMON(index, name, sample, \
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@ -270,7 +272,7 @@ void NoOp(const Ts&...) {}
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macro_invocation; \
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break; \
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default: \
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RTC_NOTREACHED(); \
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RTC_DCHECK_NOTREACHED(); \
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} \
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} while (0)
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@ -280,17 +282,23 @@ void NoOp(const Ts&...) {}
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// This section defines no-op alternatives to the metrics macros when
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// RTC_METRICS_ENABLED is defined.
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#define RTC_HISTOGRAM_COUNTS_100(name, sample) webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_100(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_200(name, sample) webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_200(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_500(name, sample) webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_500(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_1000(name, sample) webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_1000(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_10000(name, sample) webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_10000(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_100000(name, sample) webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_100000(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS(name, sample, min, max, bucket_count) \
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webrtc::metrics_impl::NoOp(name, sample, min, max, bucket_count)
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@ -298,31 +306,41 @@ void NoOp(const Ts&...) {}
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#define RTC_HISTOGRAM_COUNTS_LINEAR(name, sample, min, max, bucket_count) \
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webrtc::metrics_impl::NoOp(name, sample, min, max, bucket_count)
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#define RTC_HISTOGRAM_COUNTS_SPARSE_100(name, sample) webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_SPARSE_100(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_SPARSE_200(name, sample) webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_SPARSE_200(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_SPARSE_500(name, sample) webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_SPARSE_500(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_SPARSE_1000(name, sample) webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_SPARSE_1000(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
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#define RTC_HISTOGRAM_COUNTS_SPARSE_10000(name, sample) webrtc::metrics_impl::NoOp(name, sample)
|
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#define RTC_HISTOGRAM_COUNTS_SPARSE_10000(name, sample) \
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webrtc::metrics_impl::NoOp(name, sample)
|
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|
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#define RTC_HISTOGRAM_COUNTS_SPARSE_100000(name, sample) webrtc::metrics_impl::NoOp(name, sample)
|
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#define RTC_HISTOGRAM_COUNTS_SPARSE_100000(name, sample) \
|
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webrtc::metrics_impl::NoOp(name, sample)
|
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|
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#define RTC_HISTOGRAM_COUNTS_SPARSE(name, sample, min, max, bucket_count) \
|
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webrtc::metrics_impl::NoOp(name, sample, min, max, bucket_count)
|
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|
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#define RTC_HISTOGRAM_PERCENTAGE_SPARSE(name, sample) webrtc::metrics_impl::NoOp(name, sample)
|
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#define RTC_HISTOGRAM_PERCENTAGE_SPARSE(name, sample) \
|
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webrtc::metrics_impl::NoOp(name, sample)
|
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|
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#define RTC_HISTOGRAM_BOOLEAN_SPARSE(name, sample) webrtc::metrics_impl::NoOp(name, sample)
|
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#define RTC_HISTOGRAM_BOOLEAN_SPARSE(name, sample) \
|
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webrtc::metrics_impl::NoOp(name, sample)
|
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|
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#define RTC_HISTOGRAM_ENUMERATION_SPARSE(name, sample, boundary) \
|
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webrtc::metrics_impl::NoOp(name, sample, boundary)
|
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|
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#define RTC_HISTOGRAM_PERCENTAGE(name, sample) webrtc::metrics_impl::NoOp(name, sample)
|
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#define RTC_HISTOGRAM_PERCENTAGE(name, sample) \
|
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webrtc::metrics_impl::NoOp(name, sample)
|
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|
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#define RTC_HISTOGRAM_BOOLEAN(name, sample) webrtc::metrics_impl::NoOp(name, sample)
|
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#define RTC_HISTOGRAM_BOOLEAN(name, sample) \
|
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webrtc::metrics_impl::NoOp(name, sample)
|
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|
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#define RTC_HISTOGRAM_ENUMERATION(name, sample, boundary) \
|
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webrtc::metrics_impl::NoOp(name, sample, boundary)
|
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@ -334,11 +352,14 @@ void NoOp(const Ts&...) {}
|
||||
#define RTC_HISTOGRAM_COMMON_BLOCK_SLOW(name, sample, factory_get_invocation) \
|
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webrtc::metrics_impl::NoOp(name, sample, factory_get_invocation)
|
||||
|
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#define RTC_HISTOGRAMS_COUNTS_100(index, name, sample) webrtc::metrics_impl::NoOp(index, name, sample)
|
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#define RTC_HISTOGRAMS_COUNTS_100(index, name, sample) \
|
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webrtc::metrics_impl::NoOp(index, name, sample)
|
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|
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#define RTC_HISTOGRAMS_COUNTS_200(index, name, sample) webrtc::metrics_impl::NoOp(index, name, sample)
|
||||
#define RTC_HISTOGRAMS_COUNTS_200(index, name, sample) \
|
||||
webrtc::metrics_impl::NoOp(index, name, sample)
|
||||
|
||||
#define RTC_HISTOGRAMS_COUNTS_500(index, name, sample) webrtc::metrics_impl::NoOp(index, name, sample)
|
||||
#define RTC_HISTOGRAMS_COUNTS_500(index, name, sample) \
|
||||
webrtc::metrics_impl::NoOp(index, name, sample)
|
||||
|
||||
#define RTC_HISTOGRAMS_COUNTS_1000(index, name, sample) \
|
||||
webrtc::metrics_impl::NoOp(index, name, sample)
|
||||
@ -352,7 +373,8 @@ void NoOp(const Ts&...) {}
|
||||
#define RTC_HISTOGRAMS_ENUMERATION(index, name, sample, boundary) \
|
||||
webrtc::metrics_impl::NoOp(index, name, sample, boundary)
|
||||
|
||||
#define RTC_HISTOGRAMS_PERCENTAGE(index, name, sample) webrtc::metrics_impl::NoOp(index, name, sample)
|
||||
#define RTC_HISTOGRAMS_PERCENTAGE(index, name, sample) \
|
||||
webrtc::metrics_impl::NoOp(index, name, sample)
|
||||
|
||||
#define RTC_HISTOGRAMS_COMMON(index, name, sample, macro_invocation) \
|
||||
webrtc::metrics_impl::NoOp(index, name, sample, macro_invocation)
|
||||
@ -363,7 +385,7 @@ namespace webrtc {
|
||||
namespace metrics {
|
||||
|
||||
// Time that should have elapsed for stats that are gathered once per call.
|
||||
enum { kMinRunTimeInSeconds = 10 };
|
||||
constexpr int kMinRunTimeInSeconds = 10;
|
||||
|
||||
class Histogram;
|
||||
|
||||
@ -371,32 +393,31 @@ class Histogram;
|
||||
// histogram).
|
||||
|
||||
// Get histogram for counters.
|
||||
Histogram* HistogramFactoryGetCounts(const std::string& name,
|
||||
Histogram* HistogramFactoryGetCounts(absl::string_view name,
|
||||
int min,
|
||||
int max,
|
||||
int bucket_count);
|
||||
|
||||
// Get histogram for counters with linear bucket spacing.
|
||||
Histogram* HistogramFactoryGetCountsLinear(const std::string& name,
|
||||
Histogram* HistogramFactoryGetCountsLinear(absl::string_view name,
|
||||
int min,
|
||||
int max,
|
||||
int bucket_count);
|
||||
|
||||
// Get histogram for enumerators.
|
||||
// |boundary| should be above the max enumerator sample.
|
||||
Histogram* HistogramFactoryGetEnumeration(const std::string& name,
|
||||
int boundary);
|
||||
// `boundary` should be above the max enumerator sample.
|
||||
Histogram* HistogramFactoryGetEnumeration(absl::string_view name, int boundary);
|
||||
|
||||
// Get sparse histogram for enumerators.
|
||||
// |boundary| should be above the max enumerator sample.
|
||||
Histogram* SparseHistogramFactoryGetEnumeration(const std::string& name,
|
||||
// `boundary` should be above the max enumerator sample.
|
||||
Histogram* SparseHistogramFactoryGetEnumeration(absl::string_view name,
|
||||
int boundary);
|
||||
|
||||
// Function for adding a |sample| to a histogram.
|
||||
// Function for adding a `sample` to a histogram.
|
||||
void HistogramAdd(Histogram* histogram_pointer, int sample);
|
||||
|
||||
struct SampleInfo {
|
||||
SampleInfo(const std::string& name, int min, int max, size_t bucket_count);
|
||||
SampleInfo(absl::string_view name, int min, int max, size_t bucket_count);
|
||||
~SampleInfo();
|
||||
|
||||
const std::string name;
|
||||
@ -412,25 +433,26 @@ void Enable();
|
||||
|
||||
// Gets histograms and clears all samples.
|
||||
void GetAndReset(
|
||||
std::map<std::string, std::unique_ptr<SampleInfo>>* histograms);
|
||||
std::map<std::string, std::unique_ptr<SampleInfo>, rtc::AbslStringViewCmp>*
|
||||
histograms);
|
||||
|
||||
// Functions below are mainly for testing.
|
||||
|
||||
// Clears all samples.
|
||||
void Reset();
|
||||
|
||||
// Returns the number of times the |sample| has been added to the histogram.
|
||||
int NumEvents(const std::string& name, int sample);
|
||||
// Returns the number of times the `sample` has been added to the histogram.
|
||||
int NumEvents(absl::string_view name, int sample);
|
||||
|
||||
// Returns the total number of added samples to the histogram.
|
||||
int NumSamples(const std::string& name);
|
||||
int NumSamples(absl::string_view name);
|
||||
|
||||
// Returns the minimum sample value (or -1 if the histogram has no samples).
|
||||
int MinSample(const std::string& name);
|
||||
int MinSample(absl::string_view name);
|
||||
|
||||
// Returns a map with keys the samples with at least one event and values the
|
||||
// number of events for that sample.
|
||||
std::map<int, int> Samples(const std::string& name);
|
||||
std::map<int, int> Samples(absl::string_view name);
|
||||
|
||||
} // namespace metrics
|
||||
} // namespace webrtc
|
||||
|
||||
Reference in New Issue
Block a user