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2020-09-09Run gentdents_benchmark with fewer files.Nicolas Lacasse
This test regularly times out when "shared" filesystem is enabled. PiperOrigin-RevId: 329950622
2020-09-09Implement setattr+clunk in 9PFabricio Voznika
This is to cover the common pattern: open->read/write->close, where SetAttr needs to be called to update atime/mtime before the file is closed. Benchmark results: BM_OpenReadClose/10240 CPU setattr+clunk: 63783 ns VFS2: 68109 ns VFS1: 72507 ns Updates #1198 PiperOrigin-RevId: 329628461
2020-09-09Enable strace+debug in syscall testsFabricio Voznika
This is done to ease troubleshooting when tests fail. runsc logs are not stored when tests passe, so this will only affect failing tests and should not increase log storage too badly. PiperOrigin-RevId: 327717551
2020-06-23Internal change.gVisor bot
PiperOrigin-RevId: 317941748
2020-04-03Deflake //third_party/gvisor/test/perf:getdents_benchmark_runsc_ptraceAndrei Vagin
* Increase a buffer size for getdents64 * Increase a number of shards PiperOrigin-RevId: 304670004
2020-03-25Fix futex_benchmark.Jamie Liu
- Fix definitions of Futex* wrappers. - Correctly handle glibc syscall() (which returns -1 and sets errno instead of returning the raw syscall return value). - De-parameterize FutexWaitBitset, which was apparently intended to test with deadlines of between 0 and 100000 nanoseconds after the Unix epoch, but was broken due to the preceding two issues. - Use wall time to measure the durations of tests that are expected to block (and thus stop accumulating CPU time). - Require 5s for all tests to improve robustness in the presence of sentry GC. - Remove FutexContend and FutexContendDeadline; it's unclear what these are supposed to measure, given that (1) FutexLock is unrealistically inefficient and (2) the benchmark rewards slow scheduling (since this reduces contention). PiperOrigin-RevId: 302925246
2020-03-09perf/signal: rewrite code in assembly to avoid compiler optimizationsAndrei Vagin
Without this change, the assembly code of this test compiled without optimizations: mov -0x150(%rbp),%rax movl $0x77777777,(%rax) lea -0x128(%rbp),%rax with optimizations: movl $0x77777777,0x0 This code doesn't work properly, because the test changes rax in the segv handler. PiperOrigin-RevId: 299896117
2020-02-28Mark gettid and getdents as nogotsanZach Koopmans
PiperOrigin-RevId: 297915815
2020-02-24Add default behavior for gtest runner.Adin Scannell
PiperOrigin-RevId: 297009116
2020-02-19Add basic microbenchmarks.Adin Scannell
PiperOrigin-RevId: 296104390