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path: root/src/test/java/com/google/devtools/build/lib/profiler/ProfilerTest.java
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* Add experimental option to do add local cpu usage values to the JSON profile.Gravatar twerth2018-08-14
| | | | | RELNOTES: None PiperOrigin-RevId: 208646319
* Add an option to compress the JSON trace profile.Gravatar twerth2018-07-27
| | | | | | | chrome://tracing is able to load gzipped profiles out of the box. RELNOTES: None PiperOrigin-RevId: 206308018
* Add support for the Json trace file formatGravatar ulfjack2018-06-12
| | | | | | | | | | | | | | | | | Add a --experimental_generate_json_trace_profile option that puts a file into the output base (or uses --profile if set). There are still a lot of problems with this. - unexplained holes - way too many threads - nonsensical event titles - too many detail events, too little overview - it may also cause unnecessary load - it silently overwrites the existing file on subsequent invocations The format is documented here: goo.gl/oMZPLh PiperOrigin-RevId: 200259431
* Refactor profilerGravatar ulfjack2018-06-12
| | | | | | | | | | | | | | | | | | | | | | | | | | - move the save method to an inner class - don't use a timer, use a blocking queue instead - add a format enum (in anticipation of adding a json output format) - update the test to use an in memory buffer, and avoid FoundationTestCase Compared to the original https://github.com/bazelbuild/bazel/commit/15b8c259db111012b4642287172cb4d1d82151f3, it contains these changes: - Make it so we don't create a queue if we are not going to write any data! The queue is now owned by the writer, and if there is no writer, there is no queue. This was causing a memory regression because slowest task profiling is enabled by default, in which case the profiler is started with no output file. In that case, there's no thread that is emptying the queue, but the queue was still created by default. - add additional tests for slowest task and histogram handling; these also provide coverage for the case where the profiler is started without an output stream - move all the writer thread handling into the inner class - make writer access thread-safe - add a bunch of documentation PiperOrigin-RevId: 200212978
* Automated rollback of commit 15b8c259db111012b4642287172cb4d1d82151f3.Gravatar jmmv2018-06-11
| | | | | | | | *** Reason for rollback *** Breaks internal performance tests. PiperOrigin-RevId: 200103033
* Refactor profilerGravatar ulfjack2018-06-11
| | | | | | | | | - move the save method to an inner class - don't use a timer, use a blocking queue instead - add a format enum (in anticipation of adding a json output format) - update the test to use an in memory buffer, and avoid FoundationTestCase PiperOrigin-RevId: 200065404
* Add AutoProfiler-like API to ProfilerGravatar ulfjack2018-06-11
| | | | | | - migrate all startTask/completeTask pairs to the new API PiperOrigin-RevId: 200038703
* Clean up Profiler a bitGravatar ulfjack2018-06-08
| | | | PiperOrigin-RevId: 199849102
* Harden Profiler slow tasks capping testGravatar michajlo2018-05-02
| | | | | | | | | | | Internally slow task aggregators are sharded by thread id, so we need to throw some threads at it to get an interesting test case, otherwise everything comes from one thread and lands in one shard and the shard combination logic isn't exercised. Of course it's possible that all the threads created in the test wind up landing in the same shard, let's just pretend that's not going to happen, since the odds are pretty low. PiperOrigin-RevId: 195141874
* Fix profiler slow task limitingGravatar michajlo2018-04-24
| | | | | | | | Looks like a typo resulted in getSlowestTasks accumulating way more than it should have and we were missing the test coverage to catch it. RELNOTES: None PiperOrigin-RevId: 194169355
* Add functionality to MemoryProfiler to do multiple garbage collections at ↵Gravatar janakr2018-02-28
| | | | | | the end of the build in an effort to get an accurate measurement of used memory. PiperOrigin-RevId: 187337487
* More BUILD file refactorings.Gravatar philwo2017-09-06
| | | | | | | | | Split collect, concurrent, vfs, windows into package-level BUILD files. Move clock classes out of "util", into their own Java package. Move CompactHashSet into its own Java package to break a dependency cycle. Give nestedset and inmemoryfs their own package-level BUILD files. PiperOrigin-RevId: 167702127
* Split the cycle between vfs and profiler.Gravatar philwo2017-08-31
| | | | | | | | | | - Move ProfilerInfo into a subpackage (it's not necessary for profiling, just for analyzing a profile). - Make some fields in Profiler public for ProfileInfo. - Mark Profiler as ThreadSafe; there's no cyclic dependency here. This is based on ulfjack's microbazel patch series: https://github.com/ulfjack/bazel/commit/44553fcac0fc876784d8f48c2e577d8c999712de PiperOrigin-RevId: 167121952
* ProfilerTest: Removes flakiness from ProfilerTestGravatar plf2017-07-11
| | | | | | | | The test now uses a fake clock and replaces calls to Thread.sleep() by manual changes to the clock. RELNOTES:none PiperOrigin-RevId: 161520781
* Migrate tests to Truth.Gravatar lberki2017-05-29
| | | | | | RELNOTES: None. PiperOrigin-RevId: 157378037
* Fixes incorrectly-ordered arguments to calls to assertEqualsGravatar Googler2017-05-19
| | | | | | | | | | | | | | | [] This change has been automatically generated by an Error Prone check that detects incorrect argument ordering on calls to assertEquals-style methods. See [] Cleanup change automatically generated by javacflume/refactory Refactoring: third_party/java_src/error_prone/project/core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects:AssertEqualsArgumentOrderChecker_refactoring Tested: TAP --sample for global presubmit queue [] PiperOrigin-RevId: 156539781
* Open-sourced tests from lib/profiler.Gravatar Florian Weikert2015-12-07
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