diff options
Diffstat (limited to 'pkg/test/dockerutil/dockerutil.go')
| -rw-r--r-- | pkg/test/dockerutil/dockerutil.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/pkg/test/dockerutil/dockerutil.go b/pkg/test/dockerutil/dockerutil.go index df09babf3..5a9dd8bd8 100644 --- a/pkg/test/dockerutil/dockerutil.go +++ b/pkg/test/dockerutil/dockerutil.go @@ -25,6 +25,7 @@ import ( "os/exec" "regexp" "strconv" + "time" "gvisor.dev/gvisor/pkg/test/testutil" ) @@ -42,6 +43,26 @@ var ( // config is the default Docker daemon configuration path. config = flag.String("config_path", "/etc/docker/daemon.json", "configuration file for reading paths") + + // The following flags are for the "pprof" profiler tool. + + // pprofBaseDir allows the user to change the directory to which profiles are + // written. By default, profiles will appear under: + // /tmp/profile/RUNTIME/CONTAINER_NAME/*.pprof. + pprofBaseDir = flag.String("pprof-dir", "/tmp/profile", "base directory in: BASEDIR/RUNTIME/CONTINER_NAME/FILENAME (e.g. /tmp/profile/runtime/mycontainer/cpu.pprof)") + + // duration is the max duration `runsc debug` will run and capture profiles. + // If the container's clean up method is called prior to duration, the + // profiling process will be killed. + duration = flag.Duration("pprof-duration", 10*time.Second, "duration to run the profile in seconds") + + // The below flags enable each type of profile. Multiple profiles can be + // enabled for each run. + pprofBlock = flag.Bool("pprof-block", false, "enables block profiling with runsc debug") + pprofCPU = flag.Bool("pprof-cpu", false, "enables CPU profiling with runsc debug") + pprofGo = flag.Bool("pprof-go", false, "enables goroutine profiling with runsc debug") + pprofHeap = flag.Bool("pprof-heap", false, "enables heap profiling with runsc debug") + pprofMutex = flag.Bool("pprof-mutex", false, "enables mutex profiling with runsc debug") ) // EnsureSupportedDockerVersion checks if correct docker is installed. |