diff options
| -rw-r--r-- | cmd/podman/root.go | 29 | ||||
| -rw-r--r-- | pkg/domain/entities/engine.go | 1 |
2 files changed, 24 insertions, 6 deletions
diff --git a/cmd/podman/root.go b/cmd/podman/root.go index dc4ebb952..1275f5631 100644 --- a/cmd/podman/root.go +++ b/cmd/podman/root.go @@ -224,14 +224,29 @@ func persistentPostRunE(cmd *cobra.Command, args []string) error { return nil } - if !registry.IsRemote() { - if cmd.Flag("cpu-profile").Changed { - pprof.StopCPUProfile() + registry.ImageEngine().Shutdown(registry.Context()) + registry.ContainerEngine().Shutdown(registry.Context()) + + if registry.IsRemote() { + return nil + } + + // CPU and memory profiling. + if cmd.Flag("cpu-profile").Changed { + pprof.StopCPUProfile() + } + if cmd.Flag("memory-profile").Changed { + f, err := os.Create(registry.PodmanConfig().MemoryProfile) + if err != nil { + return errors.Wrap(err, "creating memory profile") + } + defer f.Close() + runtime.GC() // get up-to-date GC statistics + if err := pprof.WriteHeapProfile(f); err != nil { + return errors.Wrap(err, "writing memory profile") } } - registry.ImageEngine().Shutdown(registry.Context()) - registry.ContainerEngine().Shutdown(registry.Context()) return nil } @@ -294,7 +309,8 @@ func rootFlags(cmd *cobra.Command, opts *entities.PodmanConfig) { pFlags.StringVar(&cfg.Engine.CgroupManager, cgroupManagerFlagName, cfg.Engine.CgroupManager, "Cgroup manager to use (\"cgroupfs\"|\"systemd\")") _ = cmd.RegisterFlagCompletionFunc(cgroupManagerFlagName, common.AutocompleteCgroupManager) - pFlags.StringVar(&opts.CPUProfile, "cpu-profile", "", "Path for the cpu profiling results") + pFlags.StringVar(&opts.CPUProfile, "cpu-profile", "", "Path for the cpu-profiling results") + pFlags.StringVar(&opts.MemoryProfile, "memory-profile", "", "Path for the memory-profiling results") conmonFlagName := "conmon" pFlags.StringVar(&opts.ConmonPath, conmonFlagName, "", "Path of the conmon binary") @@ -354,6 +370,7 @@ func rootFlags(cmd *cobra.Command, opts *entities.PodmanConfig) { "cpu-profile", "default-mounts-file", "max-workers", + "memory-profile", "registries-conf", "trace", } { diff --git a/pkg/domain/entities/engine.go b/pkg/domain/entities/engine.go index af996ad1e..a8023f7cf 100644 --- a/pkg/domain/entities/engine.go +++ b/pkg/domain/entities/engine.go @@ -39,6 +39,7 @@ type PodmanConfig struct { EngineMode EngineMode // ABI or Tunneling mode Identity string // ssh identity for connecting to server MaxWorks int // maximum number of parallel threads + MemoryProfile string // Hidden: Should memory profile be taken RegistriesConf string // allows for specifying a custom registries.conf Remote bool // Connection to Podman API Service will use RESTful API RuntimePath string // --runtime flag will set Engine.RuntimePath |