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RELNOTES: None
PiperOrigin-RevId: 208646319
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Follow-up to commit 09d20311d982606093ed881d779bb05a5ee70ed3.
Use try-with-resources to ensure Writer objects
are closed eagerly.
Eagerly closing Writers avoids hanging on to
file handles until the garbage collector finalizes
the object, meaning Bazel on Windows (and
other processes) can delete or mutate these files.
Hopefully this avoids intermittent file deletion
errors that sometimes occur on Windows.
See https://github.com/bazelbuild/bazel/issues/5512
RELNOTES: none
PiperOrigin-RevId: 203934471
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- 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
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*** Reason for rollback ***
Breaks internal performance tests.
PiperOrigin-RevId: 200103033
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- 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
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- migrate all startTask/completeTask pairs to the new API
PiperOrigin-RevId: 200038703
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Closes #3697.
PiperOrigin-RevId: 168353082
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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
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- 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
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RELNOTES: None.
PiperOrigin-RevId: 157378037
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--
MOS_MIGRATED_REVID=109577273
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twerth
laszlocsomor
ulfjack
jmmv
Andreas Hippler
philwo
lberki
Florian Weikert