Before this CL, becase of optimizations, coverage of some of these goes
away, making coverage unreliable.
I believe this fixes the issues for "regular" runs (at least it seems to
be stable on the CFE coverage tests).
If setting `--optimization-counter-threshold=-1` there'll still be
trouble though and we would have to also insert these calls in the start
of FunctionBody and the start of FieldInitializer for it to produce the
same results.
TEST=pkg/vm_service/test/coverage_instance_call_after_optimization_test.dart,pkg/vm_service/test/coverage_static_call_after_optimization_test.dart
Bug: https://github.com/dart-lang/sdk/issues/42061
Bug: https://github.com/dart-lang/sdk/issues/55959
Bug: https://github.com/dart-lang/sdk/issues/56018
Change-Id: I34947f0d4b123e52ce67b71a195782d31e4bda16
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/370501
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Slava Egorov <vegorov@google.com>
Currently we decode incoming data as a string, then parse the string as
JSON.
We can do it in one step by fusing a `Utf8Decoder` with a `JsonDecoder`,
which will be faster.
A difference between `jsonDecode` and the fused version is that
`jsonDecode` returns `dynamic`, the fused version returns `Object?`.
To keep changes as small as possible we cast the return value of the
fused verison to `dynamic` in this CL.
However using `dynamic` values is often slower than type casting it to
the right type and then using it. So it might make sense to cast it to
something like `Map<String, dynamic>` in a separate CL.
Change-Id: I76de535a72ae5532db5a27e543929519c48c701c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/371080
Commit-Queue: Ömer Ağacan <omersa@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Dead Code Elimination can remove `RecordCoverageInstr`, but shouldn't.
This CL makes it stay by returning true in `HasUnknownSideEffects`
making `MayHaveVisibleEffect` return true, making Dead Code Elimination
keep it.
Note that `RecordCoverageInstr::Canonicalize` will still let it go away
if the position is already covered which is what we want.
Bug: https://github.com/dart-lang/sdk/issues/42061
TEST=pkg/vm_service/test/coverage_closure_call_after_optimization_test.dart,vm/cc/IL_RecordCoverageSurvivesOptimizations
Change-Id: Ifd72f9071a51924fd71f3dae91687acb1467047d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/370220
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Jens Johansen <jensj@google.com>
TEST=verified that
pkg/vm_service/test/breakpoint_resolves_immediately_in_compiled_field_initializer_test.dart
fails without the changes in this CL and passes with them, verified that
none of the existing debugger tests got broken by this CL
Change-Id: I6acb5576a80e5d633b012c866fe90bf13d2c1ba6
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/369162
Commit-Queue: Derek Xu <derekx@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
This is consistent with the way we handle outstanding requests when the
service is disposed. Note that some of the devtools code in flutter
expects and handles this RPC error in some cases.
Change-Id: I56aae14f898b6d62b77d10ef50dec63ae96d507d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/367821
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Jackson Gardner <jacksongardner@google.com>
compiled prior to the latest reload
TEST=verified that
pkg/vm_service/test/breakpoint_resolution_after_reloading_test.dart
fails without the changes in this CL and passes with them, verified that
none of the existing debugger tests got broken by this CL
Change-Id: Ie816a3ad65a17ef9f497f209f2203d679728cb75
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/366860
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Derek Xu <derekx@google.com>
This change reworks the client resume permissions API to make it easier
for clients to deal with user provided `--pause-isolates-on-start` and
`--pause-isolates-on-exit` flags.
`requireUserPermissionToResume` should be called by the tool that
launches the Dart process to indicate whether or not the user provided
`--pause-isolates-on-{start,exit}`. The default behavior is to assume
that a tool set these flags for its own use (e.g., resetting breakpoints
after a hot restart in Flutter), where isolates will resume immediately
after each client that has indicated interest in that pause event has
invoked `readyToResume`.
If a user provided one of the previously mentioned flags, isolates will
not immediately resume after each relevant client has invoked
`readyToResume`. Instead, a call to `resume()` must be made to indicate
the user has triggered the resume request instead of tooling. If the
user permissions to resume are changed while the isolate is paused and
all relevant clients have invoked `readyToResume`, the isolate will
automatically resume if the user no longer requires us to wait for a
user resume.
`resume()` now also acts as a "force resume", bypassing any required
permissions set by tooling.
This behavior change is breaking, so the DDS protocol version is being
bumped to 2.0.
`package:dds_service_extensions` has also been updated to include the
following DDS RPCs:
- `requireUserPermissionToResume`
- `readyToResume`
Change-Id: Id5f0806b3c56507d39eb00b6305b8896bab13ae7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/357420
Reviewed-by: Elliott Brooks <elliottbrooks@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>
This change removes support for external strings from the VM along with
Dart_NewExternalLatin1String, Dart_NewExternalUTF16String and
Dart_IsExternalString Dart C API functions.
External strings are not used by the VM nor any known embedder, but
Dart VM was paying the maintenance and performance price for
the external string implementation classes.
TEST=ci
Change-Id: I094cd2d2b7ec0840e9f09e1ca9e5a7acd4e78c28
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/358760
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Adds support for 4.15 of the VM service protocol to both packages. Also
adds `yieldControlToDDS` to the `VmServiceInterface` so implementers of
the service protocol can correctly handle DDS connections.
Change-Id: I9253a647c1781f4d52758ecce4984082dfbf4fa0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/357720
Reviewed-by: Derek Xu <derekx@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>
Reviewed-by: Elliott Brooks <elliottbrooks@google.com>
This adds fast paths that avoid copying bytes from the input to a
temporary array when the current chunk has enough bytes for thing being
parsed.
Also avoids allocating a temporary array when parsing a 64-bit float by
allocating a single 8-byte buffer and reusing it.
This reduces runtime of a `HeapSnapshotGraph.fromChunks` call parsing a
91M snapshot in a single chunk from 2 seconds to 1.8 seconds. The
benchmark code is compiled with `dart2js -O4`.
Change-Id: I39d9579bcf488b17ecd0d5c7a84f93748c733920
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/340182
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Ömer Ağacan <omersa@google.com>
Currently the dds process is being launched from dartdev and
this causes problems when the dartdev commands 'run' and 'test'
are implemented by spawning child processes (this is needed
to make dartdev an AOT snapshot).
This CL attempts to lauch dds from the service isolate code.
TEST=ci
Change-Id: Iad00a17473a630659f15a5c73be0f5385ea35bdd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/350688
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>
Improve the handling of code where the async flow forks:
e.g. for `fut.whenComplete(c.complete)` we might proceed
unwinding through awaiters of `c.future` and forget about the
future returned from `whenComplete`. This happens because
we choose to present result of the unwinding as a single
stack and not a tree. In this situation the error will only
propagate into that future and whether or not the error will be
handled depends on that future alone.
As part of this change also start respecting ignored bit on
futures without listeners.
TEST=pkg/vm_service/test/pause_on_unhandled_async_exceptions7_test.dart
CoreLibraryReviewExempt: Comment only changes to core library
Change-Id: I27b689ab07a725e8faa8d91cf40e88ebc8c441a0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/352904
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Lasse Nielsen <lrn@google.com>
Commit-Queue: Slava Egorov <vegorov@google.com>
This CL adds @pragma('vm:awaiter-link') in various places in
Stream implementation to facilitate unwinding and expands
async unwinding logic with more information about
Stream internals.
At the same time be more conservative when checking if an
exception thrown from async method handled: failing to unwind
the stack fully creates situations when we incorrectly report
caught exceptions as uncaught, which frustrates users.
To distinguish stream subscriptions with and without error
handlers we add a state bit. Otherwise, it looks like all
subscriptions have error handlers because if no error
handler is installed we eagerly install error handler forwarding
the error to `Zone.handleUncaughtError`.
Fixes https://github.com/dart-lang/sdk/issues/53334
Fixes https://github.com/dart-lang/sdk/issues/54788
Fixes https://github.com/dart-lang/sdk/issues/47985
TEST=runtime/vm/dart/awaiter_stacks/stream_methods_test.dart,pkg/vm_service/test/pause_on_unhandled_async_exceptions6_test.dart,pkg/vm_service/test/pause_on_unhandled_async_exceptions7_test.dart
CoreLibraryReviewExempt: No behavioral change. Async changes reviewed by lrhn@
Cq-Include-Trybots: luci.dart.try:vm-aot-android-release-arm64c-try,vm-aot-android-release-arm_x64-try,vm-aot-dwarf-linux-product-x64-try,vm-aot-obfuscate-linux-release-x64-try,vm-aot-optimization-level-linux-release-x64-try
Change-Id: Ic51f926867092dd0adbe801b753f57c357c7ace2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/322720
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Lasse Nielsen <lrn@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Slava Egorov <vegorov@google.com>
The APIs mentioned above are `addHttpClientProfilingData` and
`getHttpClientProfilingData`.
This CL also makes it so that profiling information recorded using
`addHttpClientProfilingData` is included in dart:io service extension
responses.
TEST= pkg/vm_service/test/get_http_profile_test.dart
Change-Id: I892a7a8485369bb92cbb0c086b93498bcec25d5f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/341440
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Commit-Queue: Derek Xu <derekx@google.com>
Reviewed-by: Ömer Ağacan <omersa@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Reviewed-by: Leaf Petersen <leafp@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
Previously, when taking a tear-off, a separate Context object was
allocated in order to capture receiver. Now, receiver is stored directly
in the Closure object in the 'context' field. This saves 1 object
allocation per tear-off and makes tear-offs cheaper compared to
explicit closures which can share context with other closures.
Benchmarks in AOT mode:
x64:
TearOff.NotInlined +40%
TearOff.NotInlined.InTry +43%
TearOff.Inlined.InTry +47%
arm64:
TearOff.NotInlined +27-43%
TearOff.NotInlined.InTry +29-43%
TearOff.Inlined.InTry +58-94%
arm64c:
TearOff.NotInlined +71%
TearOff.NotInlined.InTry +72%
TearOff.Inlined.InTry +96%
TEST=ci
Issue: https://github.com/dart-lang/sdk/issues/54808
Change-Id: I3ad95e8a8a4fc23f856bbc0fe238da58a9d25b8d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/350945
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
1. Add '_' to libs that are not exported.
2. Remove references from src to root libs.
3. Remove not used code.
No code changes.
Change-Id: Ie344fb7e41decb0ebf6e50d59dc843fb04ca683b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/350692
Commit-Queue: Polina Cherkasova <polinach@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
Since it currently seems like samples are being collected even after
`testeeDo` has finished, we can give this a try and see if it changes
anything.
Change-Id: Id6f95cfb457b033d17e5e32e3fe073a2f2b9a958
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/352080
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Derek Xu <derekx@google.com>
The main purpose of these changes is to make sure that the types in
package:http_profile are compatible with the interfaces in the spec.
See runtime/vm/service/service_extension.md and
pkg/vm_service/CHANGELOG.md for the full list of changes.
TEST=pkg/vm_service/test/get_http_profile_test.dart, DevTools tests
CoreLibraryReviewExempt: Only touches sdk/lib/io/network_profiling.dart
to update the version returned by the getVersion dart:io service
extension.
Change-Id: I1b9d0b7d43defbc857a2a8fde003012effd1ee15
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/341120
Reviewed-by: Ben Konyi <bkonyi@google.com>
1. Implement HeapSnapshotGraph.toChunks
2. Add parameter calculateReferrers, to allow to skip calculation of referrers, when they are not needed.
Change-Id: I312f01f1527e6b2bf4c8ddce6017ca6c53c8dd3a
CoreLibraryReviewExempt: minor dart:io documentation change
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/348802
Commit-Queue: Polina Cherkasova <polinach@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
Our async unwinding code used to only respect `catchError`
which occured between async frames and ignored trailing
`catchError` like in the code below
Future(...).catchError((_) { /* handle error */ });
This CL also simplifies how we communicate the presence of the
exception handler to the debugger: the code in the debugger did
not actually care about which frame catches the error (for async
handlers), so we don't need to precisely mark async gaps with
`has_catch_error` flag. Instead we have a single boolean
produced by unwinding which signals whether there we encountered
an asynchronous error handler or not.
Fixes https://github.com/flutter/flutter/issues/141882
TEST=service/pause_on_unhandled_async_exceptions5
Change-Id: Id6f6a97ee5444c197b2c621f68d1e47082fc8997
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/350320
Commit-Queue: Slava Egorov <vegorov@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
This is a reland of commit e727f4ecbd
We allow the arguments array in
EvaluateCompiledExpressionHelper to contain
Object::optimized_out().ptr() when we have determined that the receiver
has been optimized out but isn't used by the compiled expression. So, I
have moved the assertion that checks for optimized out arguments from
EvaluateCompiledExpressionHelper to
Instance::EvaluateCompiledExpression.
TEST=vm-linux-debug-x64 tryjob
Original change's description:
> [VM/Debugger] Ignore optimized out variables when building scope in ActivationFrame::BuildParameters
>
> TEST=pkg/vm_service/test/evaluate_optimized_out_variable_test.dart
>
> Issue: https://github.com/dart-lang/sdk/issues/53996
> Change-Id: I5e6f0b2c02455af73c2108e6996039c95d3f1f31
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/347940
> Reviewed-by: Alexander Markov <alexmarkov@google.com>
> Commit-Queue: Derek Xu <derekx@google.com>
Change-Id: Id6df0b0b3e0d26239068041126b034e9469b87af
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/347945
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Derek Xu <derekx@google.com>
The file doesn't seem to have field promotion enabled in g3.
Change-Id: I1eafd191064fa24e62f60b7d29bb7468f55cfceb
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/346460
Reviewed-by: Emmanuel Pellereau <emmanuelp@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
There seems to be a problem with convincing ddc that null-checking
is sufficient for late final field.
Fixes b/319411590
TEST=ci
Change-Id: I1a396201d2a1edf960c0f73e5e0d0ab5be8d9475
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/345580
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
Another successful sortie commit.
Change-Id: Ie1e44f3d4c816f30d0129a193f9d360b27c1fe3d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/345521
Reviewed-by: Lasse Nielsen <lrn@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Jonas Termansen <sortie@google.com>
Remove older version tags in vm_service and clean up old experiments.
Bug: b/318347018
Change-Id: I6bf87e46878d57d05d7f9d64674ce0c573364d4a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/345302
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Jonas Termansen <sortie@google.com>
Do not revert: The main channel version must be upgraded now that the
version 3.3 beta has been cut and reverting this change puts the
release infrastructure into an unsupported state. Please fix forward
any potential problems that occur downstream and loop me into the
discussions so we can improve the release procedures in the future.
Change-Id: I8706c3d74fe0474d34a99c5cbbb8e9a88b586cdd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/329902
Commit-Queue: Jonas Termansen <sortie@google.com>
Reviewed-by: Kevin Chisholm <kevinjchisholm@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
