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2021-04-20Speed up O_APPEND with remote revalidatingFabricio Voznika
Remote revalidating requires to update file size on every write on a file opened with O_APPEND. If host FD exists, it can be used to update the size and skip round trip to the gofer. With this change, O_APPEND writes with remote revalidating is almost as fast as exclusive mode: BM_Append VFS1 60.7us VFS2 56.8us VFS2 exclusive 14.2us This change 15.8us Updates #1792 PiperOrigin-RevId: 369486801
2021-04-07perf/getpid: add a case when syscalls are executed via mov $XXX, %eax; syscallAndrei Vagin
This is the most often pattern of calling system calls in real applications. PiperOrigin-RevId: 367320048
2021-04-05Actually don't run unlink_benchmark with TSAN.Ayush Ranjan
This benchmark currently takes > 15 minutes to run in that case. PiperOrigin-RevId: 366891726
2021-04-05Don't run unlink_benchmark with TSAN.Adin Scannell
This benchmark currently takes > 15 minutes to run in that case. PiperOrigin-RevId: 366817185
2021-04-03Remove eternal and enormous tests.Adin Scannell
PiperOrigin-RevId: 366573366
2021-03-08Run shards in a single sandboxFabricio Voznika
Run all tests (or a given test partition) in a single sandbox. Previously, each individual unit test executed in a new sandbox, which takes much longer to execute. Before After Syscall tests: 37m22.768s 14m5.272s PiperOrigin-RevId: 361661726
2020-12-03Support partitions for other tests.Adin Scannell
PiperOrigin-RevId: 345399936
2020-09-03Run gentdents_benchmark with fewer files.Nicolas Lacasse
This test regularly times out when "shared" filesystem is enabled. PiperOrigin-RevId: 329950622
2020-09-01Implement 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
2020-08-20Enable 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
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