| // Copyright 2024 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "cobalt/browser/loader_app_metrics.h" |
| |
| #include "base/metrics/histogram_functions.h" |
| #include "base/time/time.h" |
| #include "starboard/extension/loader_app_metrics.h" |
| |
| namespace cobalt { |
| namespace browser { |
| |
| namespace { |
| |
| void RecordLoaderAppTimeMetrics( |
| const StarboardExtensionLoaderAppMetricsApi* metrics_extension) { |
| int64_t elf_load_duration_us = |
| metrics_extension->GetElfLoadDurationMicroseconds(); |
| int64_t elf_decompression_duration_us = |
| metrics_extension->GetElfDecompressionDurationMicroseconds(); |
| |
| if (elf_load_duration_us < 0) { |
| return; |
| } |
| if (elf_decompression_duration_us < 0) { |
| return; |
| } |
| if (elf_decompression_duration_us > elf_load_duration_us) { |
| // The decompression duration is considered to be contained within the ELF |
| // load duration, so this inequality is unexpected. |
| return; |
| } |
| |
| int64_t unexplained_duration_us = |
| elf_load_duration_us - elf_decompression_duration_us; |
| |
| base::UmaHistogramTimes( |
| "Cobalt.LoaderApp.ElfLoadDuration", |
| base::TimeDelta::FromMicroseconds(elf_load_duration_us)); |
| base::UmaHistogramTimes( |
| "Cobalt.LoaderApp.ElfDecompressionDuration", |
| base::TimeDelta::FromMicroseconds(elf_decompression_duration_us)); |
| |
| // "Unexplained" just means means that we haven't yet attempted to break this |
| // chunk of time into its components. It's included here to give context for |
| // the other durations, as recommended by |
| // https://chromium.googlesource.com/chromium/src/+/lkgr/docs/speed/diagnostic_metrics.md#summation-diagnostics. |
| base::UmaHistogramTimes( |
| "Cobalt.LoaderApp.ElfLoadUnexplainedDuration", |
| base::TimeDelta::FromMicroseconds(unexplained_duration_us)); |
| |
| LOG(INFO) << "Recorded samples for Cobalt.LoaderApp duration metrics"; |
| } |
| |
| void RecordLoaderAppSpaceMetrics( |
| const StarboardExtensionLoaderAppMetricsApi* metrics_extension) { |
| if (metrics_extension->GetMaxSampledUsedCpuBytesDuringElfLoad() < 0) { |
| return; |
| } |
| |
| base::UmaHistogramMemoryMB( |
| "Cobalt.LoaderApp.MaxSampledUsedCPUMemoryDuringELFLoad", |
| metrics_extension->GetMaxSampledUsedCpuBytesDuringElfLoad() / 1000000); |
| LOG(INFO) << "Recorded sample for " |
| << "Cobalt.LoaderApp.MaxSampledUsedCPUMemoryDuringELFLoad"; |
| } |
| |
| } // namespace |
| |
| void RecordLoaderAppMetrics( |
| const StarboardExtensionLoaderAppMetricsApi* metrics_extension) { |
| if (metrics_extension && |
| strcmp(metrics_extension->name, |
| kStarboardExtensionLoaderAppMetricsName) == 0) { |
| if (metrics_extension->version >= 1) { |
| base::UmaHistogramEnumeration( |
| "Cobalt.LoaderApp.CrashpadInstallationStatus", |
| metrics_extension->GetCrashpadInstallationStatus()); |
| LOG(INFO) << "Recorded sample for " |
| << "Cobalt.LoaderApp.CrashpadInstallationStatus"; |
| } |
| if (metrics_extension->version >= 2) { |
| if (!metrics_extension->GetElfLibraryStoredCompressed()) { |
| // We're only interested in load performance when the ELF library is |
| // stored compressed and must therefore be decompressed at load time. |
| return; |
| } |
| |
| RecordLoaderAppTimeMetrics(metrics_extension); |
| RecordLoaderAppSpaceMetrics(metrics_extension); |
| } |
| } |
| } |
| |
| } // namespace browser |
| } // namespace cobalt |