The name `AUTO_PROFILER_MARKER_TEXT` is more consistent with the equivalent non-`AUTO` macro, and similarly arguments have been re-ordered to be the same, i.e.: Name, category&options, text.
The different macros with different argument sets can now be collapsed into one macro, and the optional arguments (timing, inner window id, backtrace) can easily be added to the `MarkerOptions` where needed.
As a bonus, a specific start time can optionally be provided at construction time.
Differential Revision: https://phabricator.services.mozilla.com/D89588
Mostly mechanical changes, with some work needed to convert the different payloads (with optional timestamps, inner window id, and/or backtrace) to the equivalent MarkerOptions.
Differential Revision: https://phabricator.services.mozilla.com/D89587
Mostly mechanical change, with some extra work where non-literal names are provided.
Also, when this is the only profiler call in a file, `#include "GeckoProfiler.h"` can be changed to `#include "mozilla/ProfilerMarkers.h"`.
Differential Revision: https://phabricator.services.mozilla.com/D89415
`mach bootstrap` doesn't guarantee that it will install `pip3`for you since bug 1647814, so this is bad advice. This removes a weird self-referential loop where `mach bootstrap` recommends you run `mach install-moz-phab` which then recommends you run `mach bootstrap`.
Differential Revision: https://phabricator.services.mozilla.com/D89028
This can be run using:
$ ./mach try --preset builds
The build list can be filtered further using '-xq', e.g:
$ ./mach try --preset builds -xq "win"
Or it can be filtered further interactively:
$ ./mach try --preset builds -xi
Finally, tasks can be added to the build list:
$ ./mach try --preset builds -q "'windows 'mochitest"
This gives a T-style push. There is currently no way to both filter builds and
add additional tasks, it needs to be one or the other.
Differential Revision: https://phabricator.services.mozilla.com/D81352
The profiler should guarantee that TLS initializations are done only once (from `profiler_init()`), so there is no need to potentially do it at every TLS access.
Instead, the initialization functions set the TLS states once (to `Initialized` or `Unavailable`, depending on the underlying TLS initialization success), and later accesses to this effectively-read-only flag can be done without thread synchronization.
This reduces the generated code size.
There are also DEBUG-build checks that no accesses are done before initialization; this is theoretically racy, but it's only used to detect too-early accesses in DEBUG builds, which should never happen anyway.
Differential Revision: https://phabricator.services.mozilla.com/D89338
`ProfileChunkedBuffer` needed to be fully defined, because its destructor is needed to define `UniquePtr<ProfileChunkedBuffer>`.
It can just be empty, because it won't actually be used anyway.
Added non-`MOZ_GECKO_PROFILER` tests around this.
Differential Revision: https://phabricator.services.mozilla.com/D89351
Port handling of DecoderDoctor notifications for fission. This is done by moving
the observing of 'decoder-doctor-notification' from browser-media.js to fission
friendly actors.
As browser-media.js had only code related to this patch left it is removed along
with references to it. Same with ContentObservers.js.
Differential Revision: https://phabricator.services.mozilla.com/D88322
This patch ports existing ProfilerMarkerPayload types to draft struct definitions that may be used with the new markers API.
This is just a starting point, they may be changed later on as needed, see meta-bug 1661394.
Differential Revision: https://phabricator.services.mozilla.com/D87259
This is the main public marker API:
- `AddMarkerToBuffer` can be used to store a marker to any buffer. This could be useful to code that wants to store markers outside of the default profiler buffers.
- `baseprofiler::AddMarker`/`profiler_add_marker` store a marker in the appropriate profiler buffer.
- BASE_PROFILER_MARKER and PROFILER_MARKER do the same, but are also defined (and empty) when MOZ_GECKO_PROFILER is not #defined.
All these take a name, marker options, a marker type, and the type's expected arguments if any (as expected by the `StreamJSONMarkerData` function).
Extra helpers for the most common types:
- BASE_PROFILER_MARKER_UNTYPED and PROFILER_MARKER_UNTYPED store a marker with no data payload.
- BASE_PROFILER_MARKER_TEXT and PROFILER_MARKER_TEXT store a text marker. `baseprofiler::markers::Text` is an example of how new marker types can be defined.
Differential Revision: https://phabricator.services.mozilla.com/D87257
`DeserializeAfterKindAndStream()` is the main function that extracts all the marker data (past the already-read entry kind), and streams it to JSON using the user-provided `Stream(JSONWriter&, ...)` function in the appropriate marker type definition.
It currently requires two external functions to stream the name and the optional backtrace, because these are different between the two profilers. This may change in the future.
(Deserialization is implemented before serialization, because the `Deserialize()` function is needed during serialization to get a marker type tag.)
Differential Revision: https://phabricator.services.mozilla.com/D87254
`NoPayload` will be mostly used internally when adding markers without payload data.
It has an empty specialization of the MarkerTypeHelper (mainly to catch misuses), and the add-marker code will need to have different compile-time paths to handle it.
Differential Revision: https://phabricator.services.mozilla.com/D87252
`profiler_capture_backtrace(ProfileChunkedBuffer&)` renamed to `profiler_capture_backtrace_into(ProfileChunkedBuffer&)` (notice "_into"), which is clearer.
New function `profiler_capture_backtrace()` creates a buffer, uses `profiler_capture_backtrace_into()`, and returns a `UniquePtr<ProfileChunkedBuffer>`, which can later be given to `MarkerStack::TakeBacktrace`.
`profiler_get_backtrace()` (returning a `UniqueProfilerBacktrace`) now uses `profiler_capture_backtrace()`.
This patch reduces most duplicate code between these functions.
Differential Revision: https://phabricator.services.mozilla.com/D88280
This moves the existing MarkerTiming class introduced in bug 1640969 to the BaseProfilerMarkersPrerequesites.h header, and can be used as a marker option.
Some minor clarifying changes:
- `Instant()` is split into two functions: `InstantNow()` and `InstantAt(TimeStamp)`.
- `Interval(TimeStamp, TimeStamp)` must be given both start and end, otherwise `IntervalUntilNowFrom(TimeStamp)` takes the start only and ends "now".
Also the default construction is now reserved for internal marker usage, the private member function `IsUnspecified()` will be used by the add-marker code will replace it with `InstantNow()`.
The serialization contains the phase, and only one or two timestamps as needed, to save space for non-interval timings.
Differential Revision: https://phabricator.services.mozilla.com/D87245
The upcoming profiler-specific add-marker function will need to know which `ProfileChunkedBuffer` to serialize to, `profiler_get_core_buffer()` give access to the profiler's buffer, and `CachedCoreBuffer()` keeps it stored in a function-static object.
Differential Revision: https://phabricator.services.mozilla.com/D87256
These string views are similar to `std::string_view`, but they are optimized to be serialized in the profiler buffer, and later deserialized and streamed to JSON.
They accept literal strings, and keep them as unowned raw pointers and sizes.
They also accept any substring reference, assuming that they will only be used as parameters during function calls, and therefore the dependent string will live during that call where these `StringView`'s are used.
Internally, they also allow optional string ownership, which is only used during deserialization and streaming.
This is hidden, so that users are not tempted to use potentially expensive string allocations during profiling; it's only used *after* profiling, so it's less of an impact to allocate strings then. (But it could still be optimized later on, as part of bug 1577656.)
Differential Revision: https://phabricator.services.mozilla.com/D87242
This patch introduces all new files that contain the new markers C++ API and implementation.
They are mostly empty at this time, only including each other as eventually needed, and with `#ifdef MOZ_GECKO_PROFILER` guards.
Rough inclusion diagram: (header <-- includer)
BaseProfilerMarkerPrerequesites.h <-- ProfilerMarkerPrerequesites.h (Useful types: Input string view, marker options)
^ ^
BaseProfilerMarkerDetail.h <-- ProfilerMarkerDetail.h (Implementation details)
^ ^
BaseProfilerMarkers.h <-- ProfilerMarkers.h (Main API)
^ ^--------- ^ ^---------
BaseProfilerMarkerTypes.h | <-- ProfilerMarkerTypes.h | (Common marker types)
^ BaseProfiler.h <-- GeckoProfiler.h (Existing main profiler headers)
Differential Revision: https://phabricator.services.mozilla.com/D87241
This patch adds the idle and idle-bg tests to raptor-browsertime. To make these work, a new browsertime script was built which handles waiting on a given page url, as well as backgrounding the application.
Differential Revision: https://phabricator.services.mozilla.com/D88491
This patch ports existing ProfilerMarkerPayload types to draft struct definitions that may be used with the new markers API.
This is just a starting point, they may be changed later on as needed, see meta-bug 1661394.
Differential Revision: https://phabricator.services.mozilla.com/D87259
This is the main public marker API:
- `AddMarkerToBuffer` can be used to store a marker to any buffer. This could be useful to code that wants to store markers outside of the default profiler buffers.
- `baseprofiler::AddMarker`/`profiler_add_marker` store a marker in the appropriate profiler buffer.
- BASE_PROFILER_MARKER and PROFILER_MARKER do the same, but are also defined (and empty) when MOZ_GECKO_PROFILER is not #defined.
All these take a name, marker options, a marker type, and the type's expected arguments if any (as expected by the `StreamJSONMarkerData` function).
Extra helpers for the most common types:
- BASE_PROFILER_MARKER_UNTYPED and PROFILER_MARKER_UNTYPED store a marker with no data payload.
- BASE_PROFILER_MARKER_TEXT and PROFILER_MARKER_TEXT store a text marker. `baseprofiler::markers::Text` is an example of how new marker types can be defined.
Differential Revision: https://phabricator.services.mozilla.com/D87257
`DeserializeAfterKindAndStream()` is the main function that extracts all the marker data (past the already-read entry kind), and streams it to JSON using the user-provided `Stream(JSONWriter&, ...)` function in the appropriate marker type definition.
It currently requires two external functions to stream the name and the optional backtrace, because these are different between the two profilers. This may change in the future.
(Deserialization is implemented before serialization, because the `Deserialize()` function is needed during serialization to get a marker type tag.)
Differential Revision: https://phabricator.services.mozilla.com/D87254
`NoPayload` will be mostly used internally when adding markers without payload data.
It has an empty specialization of the MarkerTypeHelper (mainly to catch misuses), and the add-marker code will need to have different compile-time paths to handle it.
Differential Revision: https://phabricator.services.mozilla.com/D87252
`profiler_capture_backtrace(ProfileChunkedBuffer&)` renamed to `profiler_capture_backtrace_into(ProfileChunkedBuffer&)` (notice "_into"), which is clearer.
New function `profiler_capture_backtrace()` creates a buffer, uses `profiler_capture_backtrace_into()`, and returns a `UniquePtr<ProfileChunkedBuffer>`, which can later be given to `MarkerStack::TakeBacktrace`.
`profiler_get_backtrace()` (returning a `UniqueProfilerBacktrace`) now uses `profiler_capture_backtrace()`.
This patch reduces most duplicate code between these functions.
Differential Revision: https://phabricator.services.mozilla.com/D88280
This moves the existing MarkerTiming class introduced in bug 1640969 to the BaseProfilerMarkersPrerequesites.h header, and can be used as a marker option.
Some minor clarifying changes:
- `Instant()` is split into two functions: `InstantNow()` and `InstantAt(TimeStamp)`.
- `Interval(TimeStamp, TimeStamp)` must be given both start and end, otherwise `IntervalUntilNowFrom(TimeStamp)` takes the start only and ends "now".
Also the default construction is now reserved for internal marker usage, the private member function `IsUnspecified()` will be used by the add-marker code will replace it with `InstantNow()`.
The serialization contains the phase, and only one or two timestamps as needed, to save space for non-interval timings.
Differential Revision: https://phabricator.services.mozilla.com/D87245
The upcoming profiler-specific add-marker function will need to know which `ProfileChunkedBuffer` to serialize to, `profiler_get_core_buffer()` give access to the profiler's buffer, and `CachedCoreBuffer()` keeps it stored in a function-static object.
Differential Revision: https://phabricator.services.mozilla.com/D87256
These string views are similar to `std::string_view`, but they are optimized to be serialized in the profiler buffer, and later deserialized and streamed to JSON.
They accept literal strings, and keep them as unowned raw pointers and sizes.
They also accept any substring reference, assuming that they will only be used as parameters during function calls, and therefore the dependent string will live during that call where these `StringView`'s are used.
Internally, they also allow optional string ownership, which is only used during deserialization and streaming.
This is hidden, so that users are not tempted to use potentially expensive string allocations during profiling; it's only used *after* profiling, so it's less of an impact to allocate strings then. (But it could still be optimized later on, as part of bug 1577656.)
Differential Revision: https://phabricator.services.mozilla.com/D87242
This patch introduces all new files that contain the new markers C++ API and implementation.
They are mostly empty at this time, only including each other as eventually needed, and with `#ifdef MOZ_GECKO_PROFILER` guards.
Rough inclusion diagram: (header <-- includer)
BaseProfilerMarkerPrerequesites.h <-- ProfilerMarkerPrerequesites.h (Useful types: Input string view, marker options)
^ ^
BaseProfilerMarkerDetail.h <-- ProfilerMarkerDetail.h (Implementation details)
^ ^
BaseProfilerMarkers.h <-- ProfilerMarkers.h (Main API)
^ ^--------- ^ ^---------
BaseProfilerMarkerTypes.h | <-- ProfilerMarkerTypes.h | (Common marker types)
^ BaseProfiler.h <-- GeckoProfiler.h (Existing main profiler headers)
Differential Revision: https://phabricator.services.mozilla.com/D87241
This patch ports existing ProfilerMarkerPayload types to draft struct definitions that may be used with the new markers API.
This is just a starting point, they may be changed later on as needed, see meta-bug 1661394.
Differential Revision: https://phabricator.services.mozilla.com/D87259
This is the main public marker API:
- `AddMarkerToBuffer` can be used to store a marker to any buffer. This could be useful to code that wants to store markers outside of the default profiler buffers.
- `baseprofiler::AddMarker`/`profiler_add_marker` store a marker in the appropriate profiler buffer.
- BASE_PROFILER_MARKER and PROFILER_MARKER do the same, but are also defined (and empty) when MOZ_GECKO_PROFILER is not #defined.
All these take a name, marker options, a marker type, and the type's expected arguments if any (as expected by the `StreamJSONMarkerData` function).
Extra helpers for the most common types:
- BASE_PROFILER_MARKER_UNTYPED and PROFILER_MARKER_UNTYPED store a marker with no data payload.
- BASE_PROFILER_MARKER_TEXT and PROFILER_MARKER_TEXT store a text marker. `baseprofiler::markers::Text` is an example of how new marker types can be defined.
Differential Revision: https://phabricator.services.mozilla.com/D87257
`DeserializeAfterKindAndStream()` is the main function that extracts all the marker data (past the already-read entry kind), and streams it to JSON using the user-provided `Stream(JSONWriter&, ...)` function in the appropriate marker type definition.
It currently requires two external functions to stream the name and the optional backtrace, because these are different between the two profilers. This may change in the future.
(Deserialization is implemented before serialization, because the `Deserialize()` function is needed during serialization to get a marker type tag.)
Differential Revision: https://phabricator.services.mozilla.com/D87254
`NoPayload` will be mostly used internally when adding markers without payload data.
It has an empty specialization of the MarkerTypeHelper (mainly to catch misuses), and the add-marker code will need to have different compile-time paths to handle it.
Differential Revision: https://phabricator.services.mozilla.com/D87252
`profiler_capture_backtrace(ProfileChunkedBuffer&)` renamed to `profiler_capture_backtrace_into(ProfileChunkedBuffer&)` (notice "_into"), which is clearer.
New function `profiler_capture_backtrace()` creates a buffer, uses `profiler_capture_backtrace_into()`, and returns a `UniquePtr<ProfileChunkedBuffer>`, which can later be given to `MarkerStack::TakeBacktrace`.
`profiler_get_backtrace()` (returning a `UniqueProfilerBacktrace`) now uses `profiler_capture_backtrace()`.
This patch reduces most duplicate code between these functions.
Differential Revision: https://phabricator.services.mozilla.com/D88280
This moves the existing MarkerTiming class introduced in bug 1640969 to the BaseProfilerMarkersPrerequesites.h header, and can be used as a marker option.
Some minor clarifying changes:
- `Instant()` is split into two functions: `InstantNow()` and `InstantAt(TimeStamp)`.
- `Interval(TimeStamp, TimeStamp)` must be given both start and end, otherwise `IntervalUntilNowFrom(TimeStamp)` takes the start only and ends "now".
Also the default construction is now reserved for internal marker usage, the private member function `IsUnspecified()` will be used by the add-marker code will replace it with `InstantNow()`.
The serialization contains the phase, and only one or two timestamps as needed, to save space for non-interval timings.
Differential Revision: https://phabricator.services.mozilla.com/D87245
The upcoming profiler-specific add-marker function will need to know which `ProfileChunkedBuffer` to serialize to, `profiler_get_core_buffer()` give access to the profiler's buffer, and `CachedCoreBuffer()` keeps it stored in a function-static object.
Differential Revision: https://phabricator.services.mozilla.com/D87256
These string views are similar to `std::string_view`, but they are optimized to be serialized in the profiler buffer, and later deserialized and streamed to JSON.
They accept literal strings, and keep them as unowned raw pointers and sizes.
They also accept any substring reference, assuming that they will only be used as parameters during function calls, and therefore the dependent string will live during that call where these `StringView`'s are used.
Internally, they also allow optional string ownership, which is only used during deserialization and streaming.
This is hidden, so that users are not tempted to use potentially expensive string allocations during profiling; it's only used *after* profiling, so it's less of an impact to allocate strings then. (But it could still be optimized later on, as part of bug 1577656.)
Differential Revision: https://phabricator.services.mozilla.com/D87242
This patch introduces all new files that contain the new markers C++ API and implementation.
They are mostly empty at this time, only including each other as eventually needed, and with `#ifdef MOZ_GECKO_PROFILER` guards.
Rough inclusion diagram: (header <-- includer)
BaseProfilerMarkerPrerequesites.h <-- ProfilerMarkerPrerequesites.h (Useful types: Input string view, marker options)
^ ^
BaseProfilerMarkerDetail.h <-- ProfilerMarkerDetail.h (Implementation details)
^ ^
BaseProfilerMarkers.h <-- ProfilerMarkers.h (Main API)
^ ^--------- ^ ^---------
BaseProfilerMarkerTypes.h | <-- ProfilerMarkerTypes.h | (Common marker types)
^ BaseProfiler.h <-- GeckoProfiler.h (Existing main profiler headers)
Differential Revision: https://phabricator.services.mozilla.com/D87241
This patch ports existing ProfilerMarkerPayload types to draft struct definitions that may be used with the new markers API.
This is just a starting point, they may be changed later on as needed, see meta-bug 1661394.
Differential Revision: https://phabricator.services.mozilla.com/D87259
This is the main public marker API:
- `AddMarkerToBuffer` can be used to store a marker to any buffer. This could be useful to code that wants to store markers outside of the default profiler buffers.
- `baseprofiler::AddMarker`/`profiler_add_marker` store a marker in the appropriate profiler buffer.
- BASE_PROFILER_MARKER and PROFILER_MARKER do the same, but are also defined (and empty) when MOZ_GECKO_PROFILER is not #defined.
All these take a name, marker options, a marker type, and the type's expected arguments if any (as expected by the `StreamJSONMarkerData` function).
Extra helpers for the most common types:
- BASE_PROFILER_MARKER_UNTYPED and PROFILER_MARKER_UNTYPED store a marker with no data payload.
- BASE_PROFILER_MARKER_TEXT and PROFILER_MARKER_TEXT store a text marker. `baseprofiler::markers::Text` is an example of how new marker types can be defined.
Differential Revision: https://phabricator.services.mozilla.com/D87257
`DeserializeAfterKindAndStream()` is the main function that extracts all the marker data (past the already-read entry kind), and streams it to JSON using the user-provided `Stream(JSONWriter&, ...)` function in the appropriate marker type definition.
It currently requires two external functions to stream the name and the optional backtrace, because these are different between the two profilers. This may change in the future.
(Deserialization is implemented before serialization, because the `Deserialize()` function is needed during serialization to get a marker type tag.)
Differential Revision: https://phabricator.services.mozilla.com/D87254
`NoPayload` will be mostly used internally when adding markers without payload data.
It has an empty specialization of the MarkerTypeHelper (mainly to catch misuses), and the add-marker code will need to have different compile-time paths to handle it.
Differential Revision: https://phabricator.services.mozilla.com/D87252
`profiler_capture_backtrace(ProfileChunkedBuffer&)` renamed to `profiler_capture_backtrace_into(ProfileChunkedBuffer&)` (notice "_into"), which is clearer.
New function `profiler_capture_backtrace()` creates a buffer, uses `profiler_capture_backtrace_into()`, and returns a `UniquePtr<ProfileChunkedBuffer>`, which can later be given to `MarkerStack::TakeBacktrace`.
`profiler_get_backtrace()` (returning a `UniqueProfilerBacktrace`) now uses `profiler_capture_backtrace()`.
This patch reduces most duplicate code between these functions.
Differential Revision: https://phabricator.services.mozilla.com/D88280
This moves the existing MarkerTiming class introduced in bug 1640969 to the BaseProfilerMarkersPrerequesites.h header, and can be used as a marker option.
Some minor clarifying changes:
- `Instant()` is split into two functions: `InstantNow()` and `InstantAt(TimeStamp)`.
- `Interval(TimeStamp, TimeStamp)` must be given both start and end, otherwise `IntervalUntilNowFrom(TimeStamp)` takes the start only and ends "now".
Also the default construction is now reserved for internal marker usage, the private member function `IsUnspecified()` will be used by the add-marker code will replace it with `InstantNow()`.
The serialization contains the phase, and only one or two timestamps as needed, to save space for non-interval timings.
Differential Revision: https://phabricator.services.mozilla.com/D87245
The upcoming profiler-specific add-marker function will need to know which `ProfileChunkedBuffer` to serialize to, `profiler_get_core_buffer()` give access to the profiler's buffer, and `CachedCoreBuffer()` keeps it stored in a function-static object.
Differential Revision: https://phabricator.services.mozilla.com/D87256
These string views are similar to `std::string_view`, but they are optimized to be serialized in the profiler buffer, and later deserialized and streamed to JSON.
They accept literal strings, and keep them as unowned raw pointers and sizes.
They also accept any substring reference, assuming that they will only be used as parameters during function calls, and therefore the dependent string will live during that call where these `StringView`'s are used.
Internally, they also allow optional string ownership, which is only used during deserialization and streaming.
This is hidden, so that users are not tempted to use potentially expensive string allocations during profiling; it's only used *after* profiling, so it's less of an impact to allocate strings then. (But it could still be optimized later on, as part of bug 1577656.)
Differential Revision: https://phabricator.services.mozilla.com/D87242
This patch introduces all new files that contain the new markers C++ API and implementation.
They are mostly empty at this time, only including each other as eventually needed, and with `#ifdef MOZ_GECKO_PROFILER` guards.
Rough inclusion diagram: (header <-- includer)
BaseProfilerMarkerPrerequesites.h <-- ProfilerMarkerPrerequesites.h (Useful types: Input string view, marker options)
^ ^
BaseProfilerMarkerDetail.h <-- ProfilerMarkerDetail.h (Implementation details)
^ ^
BaseProfilerMarkers.h <-- ProfilerMarkers.h (Main API)
^ ^--------- ^ ^---------
BaseProfilerMarkerTypes.h | <-- ProfilerMarkerTypes.h | (Common marker types)
^ BaseProfiler.h <-- GeckoProfiler.h (Existing main profiler headers)
Differential Revision: https://phabricator.services.mozilla.com/D87241
This test begins to fail due to a `pip` installation issue after bug 1660351. It's already disabled on macOS (also due to what the comment says is a `pip` installation issue), so it's very possible the custom `requirements.txt` that this test installs is deficient in some way that surfaces in certain `virtualenv`s under certain circumstances. I can't diagnose the failure, but what I have seen is that bug 1659539 will fix that problem entirely with no extra intervention required, so we should be able to re-enable this for Linux (and maybe macOS as well?) when that patch lands.
Differential Revision: https://phabricator.services.mozilla.com/D88653
This change makes eslint aware of the global IOUtils interface, such that it
may be used without having to access it from the window or otherwise declaring
the global in a special comment on a file-by-file basis.
Differential Revision: https://phabricator.services.mozilla.com/D87612
In most calls to `SpliceableJSONWriter::Splice(const char*)`:
- The data comes from a `ChunkedJSONWriteFunc` and is copied to a new buffer, which is then copied again through `Write()`. Instead we can copy the data directly from the `ChunkedJSONWriteFunc`; and this is a nice complement to `TakeAndSplice()` below.
- Or the length is already known, so we can pass it to a new `Splice(const char*, size_t)`, which forwards it to `Write(const char*, size_t)`, saving one `strlen` call.
Differential Revision: https://phabricator.services.mozilla.com/D87703
`SpliceableChunkedJSONWriter::ChunkedWriteFunc` returns a `ChunkedJSONWriteFunc*`, which is never null and is either used to:
1. Copy data.
2. Or take ownership of the chunks.
In the first case, `ChunkedWriteFunc()` now returns a `const ChunkedJSONWriteFunc&` (notice "const &"), so only const members may be used to copy the data.
In the second case, a new function `TakeChunkedWriteFunc()` returns `ChunkedJSONWriteFunc&&` (notice "&&"), so it's clear that its chunks can be taken away. Some `DEBUG` assertions help ensure that it's not used anymore after that.
`TakeAndSplice()` now takes a `ChunkedJSONWriteFunc&&`.
All callers have been updated to the more appropriate functions.
Differential Revision: https://phabricator.services.mozilla.com/D87702
This change makes eslint aware of the global IOUtils interface, such that it
may be used without having to access it from the window or otherwise declaring
the global in a special comment on a file-by-file basis.
Differential Revision: https://phabricator.services.mozilla.com/D87612
Currently the `jest/no-standalone-expect` rule needs to be disabled for `jest-in-case` cases blocks as it is not compatible.
Differential Revision: https://phabricator.services.mozilla.com/D87184
To ensure correct usage of TLSs in the profiler, they are now better encapsulated so that:
- init() is called once and its result is cached. (TLSREGISTEREDThread::Init() doesn't need proof of the PSLock, because it's using thread-safe function-static initializers.)
- get() and set() always init() as needed, or in some particular cases strongly assert that init() was successful.
Also, a null-check was missing in profiler_init_threadmanager().
Depends on D87588
Differential Revision: https://phabricator.services.mozilla.com/D87589
Assertions are also clarified with messages, to better distinguish the same tests in different locations.
Assertions should now cover all cases:
- NEW: After registering a thread in the profiler with `CorePS::AppendRegisteredThread`, the TLS should be set to that thread.
- NEW: If `profiler_register_thread` is called again, the TLS should still be set to that thread.
- When `profiler_unregister_thread` is first called, the TLS should still be set to that thread (that's the assertion currently trigering this bug 1657174),
- NEW: When `profiler_unregister_thread` is first called and after we remove the thread with `CorePS::RemoveRegisteredThread`, the TLS should now be null.
- If `profiler_unregister_thread` is called again (or with a never-registered thread), the TLS should be null.
This is a further exploratory patch for bug 1657174, this will not prevent crashes, but hopefully it should give a bit more information, at least a smaller range in which the possible presumed registration/TLS race happens.
Differential Revision: https://phabricator.services.mozilla.com/D87588
There are zero uses of this `mach` command over the past 90 days according to our telemetry. There are no external references to `mach python-safety` in-tree, and indeed if you track the history of the originating bug 1468394, it appears that once the `mach` command was created, none of the follow-up work that was discussed (i.e. running this in CI and triaging failures to appropriate owners) was done over the following 2 years.
If this ever does appear to be useful in the future, we can just resurrect this code from source control.
Differential Revision: https://phabricator.services.mozilla.com/D87351
Before this patch, we were always waiting for libxul to load because we were
starting the JVM from libxul. But we needed to start this a lot earlier. Also
thinking that JVM profiler can actually run without the gecko side, we can
start this a lot earlier than we currently start. We need to check the
environmnet variables to be able to start the profiler. It looks like the best
place to do it is inside the GeckoThread.run method.
We have also a similar code for Java debugger, with maybeWaitForJavaDebugger
name. This fucntion does similar things in terms of enviromnent variable
handling.
Differential Revision: https://phabricator.services.mozilla.com/D87069
The stack sampling can be abstracted to only use a reference to a `ProfileBuffer`, and the existing `locked_profiler_get_backtrace` can provide its stack-based `ProfileBuffer` that points at a heap-based `ProfileChunkedBuffer` (the one that will be stored in the returned `ProfilerBacktrace`).
And we can now add a public `profiler_capture_backtrace` that only takes a reference to a `ProfileChunkedBuffer`, and fills it with a backtrace.
This will be used by the new marker API, to optionally capture a backtrace in stack-based buffers at the user's request.
Differential Revision: https://phabricator.services.mozilla.com/D86514
A heap-allocate ProfileBuffer is not really needed, so it's more efficient to have one on the stack during capture, and we don't need to keep it in the `ProfilerBacktrace`.
Differential Revision: https://phabricator.services.mozilla.com/D86513
Instead of always taking ownership of both heap-allocated `ProfileBuffer` and `ProfileChunkedBuffer`, `ProfilerBacktrace` can now accept:
- Unique pointers to both or either, similar to what it was before, so a ProfilerBacktrace can be kept for later use.
- Non-owning pointers to both or either, to allow callers to use stack-based buffer(s); null pointers are allowed for totally empty backtraces.
Only the `ProfileChunkedBuffer` contains the actual data, we can create a `ProfileBuffer` on the spot if not provided.
Differential Revision: https://phabricator.services.mozilla.com/D86512
Instead of keeping a pointer to a null-terminated string, it's simpler to keep a proper `std::string`, and it helps to keep the length ready for streaming.
Differential Revision: https://phabricator.services.mozilla.com/D86511
Let `ProfilerBuffer` expose its underlying `ProfileChunkedBuffer`, this will be useful when `ProfilerBacktrace` will only be given a `ProfileBuffer`, and to perform some safety checks.
As a bonus from this change, `StoreMarker()` can be made non-generic -- It was relying on both `ProfileBuffer` and `ProfileChunkedBuffer` to have the same function `PutObjects()`. Consequently, we don't need `ProfileBuffer::PutObjects()` anymore, this removes this clunky pass-through (but useful and the best solution at the time).
Differential Revision: https://phabricator.services.mozilla.com/D86510
Until now the `ProfileBuffer` would erase its attached `ProfileChunkedBuffer` upon destruction.
However:
- The main `ProfileChunkedBuffer` is erased anyway in the `ActivePS`,
- Other `ProfileChunkedBuffer`s are short-lived and don't really need to be erased.
- The upcoming changes to `ProfilerBacktrace` and its users means that we will only keep the `ProfileChunkedBuffer` as backtrace storage, a `ProfileBuffer` will only be needed during capture and then when streaming to JSON; so we don't want the `ProfileChunkedBuffer` to be erased when detached from its capturing `ProfileBuffer`.
- Also, the erasing was done by `ResetChunkManager()` in `~ProfileBuffer()`, which was asymetric with what the constructor does (nothing!). So it's better to leave whoever did the `SetChunkManager()` to deal with the corresponding `ResetChunkManager()` (in the main case `ActivePS`, otherwise short-lived buffers being destroyed at the end of their scope).
Both `ProfileBuffer` destructors were only doing this operation, so we can just remove them completely.
Differential Revision: https://phabricator.services.mozilla.com/D86509
Backtraces and other marker data will be stored directly into a ProfileChunkedBuffer from public code in both profilers, so we will need to have the entry "kinds" available outside of the profiler directories.
This also helps with de-duplicating, since the kinds will now be in one spot and shared by both profilers.
Differential Revision: https://phabricator.services.mozilla.com/D86508
While working on this bug, I found it distracting to reason about how strings (of different char types) are stored in the profile buffer.
So instead of storing the size in bytes, I think it's better to store the string length in number of characters, in particular it matches lengths as handled by string types.
Differential Revision: https://phabricator.services.mozilla.com/D86507
The registers referenced in this patch and the assembly have been tested to
compile; the code changes have not been tested to actually work.
Differential Revision: https://phabricator.services.mozilla.com/D86612
This change doesn't resolve some of the issues in profiler code that have
x86-64-isms in them, but this is at least a start.
Differential Revision: https://phabricator.services.mozilla.com/D86595
SpliceableChunkedJSONWriter::WriteFunc was hiding base-class non-virtual JSONWriter::WriteFunc(), which made it less than ideal (for me) to reason with.
Also made a few subclasses final, to help with possible devirtualization.
Differential Revision: https://phabricator.services.mozilla.com/D86505
The main change is removing ProfileJSONWriter.cpp, making ProfileJSONWriter.h point at BaseProfileJSONWriter.h, and exposing `mozilla::baseprofiler::` classes in the top namespace as expected by users of ProfileJSONWriter.h (to minimize changes).
These two headers are now always present in the "mozilla" include directory, independent of MOZ_GECKO_PROFILER settings.
The rest is just needed tweaks to match the above changes.
Differential Revision: https://phabricator.services.mozilla.com/D86504
This makes us use one less tool from MSVC, and removes one more use of wine
in cross builds.
We replace the call to either rc/llvm-rc or windres with a wrapper script.
While the script is not strictly needed for the latter, we use a wrapper
in that case anyway because it's one step towards fixing bug 1498414.
For llvm-rc, however, we need a wrapper because llvm-rc doesn't preprocess
on its own, so the wrapper does that too.
The wrapper script also allows to deal with the default flags passed to
llvm-rc or windres, rather than inherit them from old-configure.
We also need to explicitly pass the codepage to llvm-rc, which was not
necessary with rc (presumably, llvm-rc has a different default).
While here, remove the unused WINDRES subst from js/src/old-configure.in.
Also, while here, we remove --use-temp-file, because as described in the
linked bug and in the windres manual page, it was used to work around bugs
on Windows 98 and earlier.
Differential Revision: https://phabricator.services.mozilla.com/D86312
Today we don't require that `mach` `CommandProvider`s subclass from any particular parent class and we're very lax about the requirements they must meet. While that's convenient in certain circumstances, it has some unfortunate implications for feature development.
Today the only requirements that we have for `CommandProvider`s are that they have an `__init__()` method that takes either 1 or 2 arguments, the second of which must be called `context` and is populated with the `mach` `CommandContext`. Again, while this flexibility is occasionally convenient, it is limiting. As we add features to `mach`, having a better idea what the shape of our `CommandProvider`s are and how we can instantiate them and use them is increasingly important, and this gives us additional control when having `mach` configure `CommandProvider`s based on data that is only available at the `mach` level. In particular, we plan to leverage this in bugs 985141 and 1654074.
Here we add validation to the `CommandProvider` decorator to ensure all classes inherit from `MachCommandBase`, update all `CommandProvider`s in-tree to inherit from `MachCommandBase`, and update source and test code accordingly.
Follow-up work: we now require (de facto) that the `context` be populated with a `topdir` attribute by the `populate_context_handler` function, since instantiating the `MachCommandBase` requires a `topdir` be provided. This is fine for now in the interest of keeping this patch reasonably sized, but some additional refactoring could make this cleaner.
Differential Revision: https://phabricator.services.mozilla.com/D86255
I noticed that the `objdir:build` entry in `build/virtualenv_packages.txt` entry was apparently unused. This originates from bug 841713, seven years ago, when the `objdir` handling was introduced. Today, this doesn't appear to be serving a purpose. There is no Python library in my `$objdir/build` directory; nor can I see anything in `build/moz.build` or any related files suggesting one could ever appear. I can only assume this feature has outlived its usefulness, so delete it and the relevant in-tree support.
This necessitates slightly changing the signature and implementation of the `activate_pipenv()` method; also update all callers.
Differential Revision: https://phabricator.services.mozilla.com/D85635
I noticed that the `objdir:build` entry in `build/virtualenv_packages.txt` entry was apparently unused. This originates from bug 841713, seven years ago, when the `objdir` handling was introduced. Today, this doesn't appear to be serving a purpose. There is no Python library in my `$objdir/build` directory; nor can I see anything in `build/moz.build` or any related files suggesting one could ever appear. I can only assume this feature has outlived its usefulness, so delete it and the relevant in-tree support.
This necessitates slightly changing the signature and implementation of the `activate_pipenv()` method; also update all callers.
Differential Revision: https://phabricator.services.mozilla.com/D85635
Because while the original perl script was added to add version info
to Windows binaries, it does more and will do even more with upcoming
changes.
Differential Revision: https://phabricator.services.mozilla.com/D86153
Because while the original perl script was added to add version info
to Windows binaries, it does more and will do even more with upcoming
changes.
Differential Revision: https://phabricator.services.mozilla.com/D86153
In clang-12, 5809a32e7c split `__gcov_flush` into `__gcov_dump` and `__gcov_reset`. We have to make a corresponding update in CodeCoverageHandler.cpp to avoid build errors.
Differential Revision: https://phabricator.services.mozilla.com/D86026
Add a modular approach for the integration of `static-analysis` module in order
to be able to share components of it with other modules, like the integration of
`clangd` in `vscode` where we need to have access to the configuration of `clang-tidy`
in order to have `in-ide` `static-analysis` messages.
In this initial step we make a separate module for the clang-tidy configuration.
Differential Revision: https://phabricator.services.mozilla.com/D85979
`MOZ_RELEASE_ASSERT(registeredThread == TLSRegisteredThread::RegisteredThread(lock));` is failing on Android, probably as a follow-up to bug 1651086, which allowed multiple registrations (to fix a problem with yet-unknown root cause).
This assertion is too broad to help find the issue because at this point:
- If `FindCurrentThreadRegisteredThread()` is not null, `TLSRegisteredThread::RegisteredThread()` should also not be null, and it should equal `FindCurrentThreadRegisteredThread()`, from the first succesful `profiler_register_thread()`.
- If `FindCurrentThreadRegisteredThread()` is null, `TLSRegisteredThread::RegisteredThread()` should be null as well, from the first `profiler_unregister_thread()`.
So this patch splits this assertion into multiple more targeted ones to check the above, and also some extra assertions after de-registration, to ensure that both `FindCurrentThreadRegisteredThread()` and `TLSRegisteredThread::RegisteredThread()` are null.
Differential Revision: https://phabricator.services.mozilla.com/D86118
Gerald Squelart
Narcis Beleuzu
Tarek Ziadé
Sylvestre Ledru
Myeongjun Go
Ricky Stewart
championshuttler
Andrew Halberstadt
Mike Hommey
Bryce Seager van Dyk
Cristina Coroiu
Gregory Mierzwinski
Philipp Fischbeck
Brindusan Cristian
Shane Caraveo
Mihai Alexandru Michis
Nick Thomas
Butkovits Atila
Emil Farisan
Keefer Rourke
Bruno Bartolomasi
Razvan Maries
Kershaw Chang
Simon Giesecke
DesWurstes
Gijs Kruitbosch
Duncan Dean
Bogdan Tara
Florian Quèze
Sonia Singla
Nazım Can Altınova
Nathan Froyd
Michael Hoffmann
emcminn
Andreea Pavel
Evan Welsh
Hamzah
David Major
Andi-Bogdan Postelnicu