diff options
| author | Ayush Ranjan <ayushranjan@google.com> | 2021-05-05 00:00:52 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-05-05 00:02:37 -0700 |
| commit | d924515b0991a3a14e0b0d7d21268eaed6fafb5b (patch) | |
| tree | a39b2e2250a0ccdaccfe46bb8488b2320940a17d /pkg/test/dockerutil/profile.go | |
| parent | d384378077f29c05c99820042f7cd677e8bf1efa (diff) | |
[perf] Fix profiling in benchmarking jobs.
Due to https://github.com/moby/moby/issues/42345, the docker daemon is passing
the incorrect `--root` flag to runsc. So our profiler is not able to find the
container stat files where it expects them to be.
PiperOrigin-RevId: 372067954
Diffstat (limited to 'pkg/test/dockerutil/profile.go')
| -rw-r--r-- | pkg/test/dockerutil/profile.go | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/pkg/test/dockerutil/profile.go b/pkg/test/dockerutil/profile.go index 4855a52fc..12fe98b16 100644 --- a/pkg/test/dockerutil/profile.go +++ b/pkg/test/dockerutil/profile.go @@ -82,10 +82,15 @@ func (p *profile) createProcess(c *Container) error { } // The root directory of this container's runtime. - root := fmt.Sprintf("--root=/var/run/docker/runtime-%s/moby", c.runtime) + rootDir := fmt.Sprintf("/var/run/docker/runtime-%s/moby", c.runtime) + if _, err := os.Stat(rootDir); os.IsNotExist(err) { + // In docker v20+, due to https://github.com/moby/moby/issues/42345 the + // rootDir seems to always be the following. + rootDir = "/var/run/docker/runtime-runc/moby" + } - // Format is `runsc --root=rootdir debug --profile-*=file --duration=24h containerID`. - args := []string{root, "debug"} + // Format is `runsc --root=rootDir debug --profile-*=file --duration=24h containerID`. + args := []string{fmt.Sprintf("--root=%s", rootDir), "debug"} for _, profileArg := range p.Types { outputPath := filepath.Join(p.BasePath, fmt.Sprintf("%s.pprof", profileArg)) args = append(args, fmt.Sprintf("--profile-%s=%s", profileArg, outputPath)) |