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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /tools/profiler/public/ProfileAdditionalInformation.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-37a0381f8351b370577b65028ba1f6563ae23fdf.tar.xz firefox-esr-37a0381f8351b370577b65028ba1f6563ae23fdf.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/profiler/public/ProfileAdditionalInformation.h')
-rw-r--r-- | tools/profiler/public/ProfileAdditionalInformation.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/tools/profiler/public/ProfileAdditionalInformation.h b/tools/profiler/public/ProfileAdditionalInformation.h new file mode 100644 index 0000000000..c4cc8697b0 --- /dev/null +++ b/tools/profiler/public/ProfileAdditionalInformation.h @@ -0,0 +1,90 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +// The Gecko Profiler is an always-on profiler that takes fast and low overhead +// samples of the program execution using only userspace functionality for +// portability. The goal of this module is to provide performance data in a +// generic cross-platform way without requiring custom tools or kernel support. +// +// Samples are collected to form a timeline with optional timeline event +// (markers) used for filtering. The samples include both native stacks and +// platform-independent "label stack" frames. + +#ifndef ProfileAdditionalInformation_h +#define ProfileAdditionalInformation_h + +#ifdef MOZ_GECKO_PROFILER +# include "shared-libraries.h" +#endif +#include "js/Value.h" +#include "nsString.h" + +namespace IPC { +class MessageReader; +class MessageWriter; +template <typename T> +struct ParamTraits; +} // namespace IPC + +namespace mozilla { +// This structure contains additional information gathered while generating the +// profile json and iterating the buffer. +struct ProfileGenerationAdditionalInformation { +#ifdef MOZ_GECKO_PROFILER + ProfileGenerationAdditionalInformation() = default; + explicit ProfileGenerationAdditionalInformation( + const SharedLibraryInfo&& aSharedLibraries) + : mSharedLibraries(aSharedLibraries) {} + + size_t SizeOf() const { return mSharedLibraries.SizeOf(); } + + void Append(ProfileGenerationAdditionalInformation&& aOther) { + mSharedLibraries.AddAllSharedLibraries(aOther.mSharedLibraries); + } + + void FinishGathering() { mSharedLibraries.DeduplicateEntries(); } + + void ToJSValue(JSContext* aCx, JS::MutableHandle<JS::Value> aRetVal) const; + + SharedLibraryInfo mSharedLibraries; +#endif // MOZ_GECKO_PROFILER +}; + +struct ProfileAndAdditionalInformation { + ProfileAndAdditionalInformation() = default; + explicit ProfileAndAdditionalInformation(const nsCString&& aProfile) + : mProfile(aProfile) {} + + ProfileAndAdditionalInformation( + const nsCString&& aProfile, + const ProfileGenerationAdditionalInformation&& aAdditionalInformation) + : mProfile(aProfile), + mAdditionalInformation(Some(aAdditionalInformation)) {} + + size_t SizeOf() const { + size_t size = mProfile.Length(); +#ifdef MOZ_GECKO_PROFILER + if (mAdditionalInformation.isSome()) { + size += mAdditionalInformation->SizeOf(); + } +#endif + return size; + } + + nsCString mProfile; + Maybe<ProfileGenerationAdditionalInformation> mAdditionalInformation; +}; +} // namespace mozilla + +namespace IPC { +template <> +struct ParamTraits<mozilla::ProfileGenerationAdditionalInformation> { + typedef mozilla::ProfileGenerationAdditionalInformation paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam); + static bool Read(MessageReader* aReader, paramType* aResult); +}; +} // namespace IPC + +#endif // ProfileAdditionalInformation_h |