diff options
Diffstat (limited to 'runsc/cmd')
| -rw-r--r-- | runsc/cmd/boot.go | 50 | ||||
| -rw-r--r-- | runsc/cmd/debug.go | 7 |
2 files changed, 47 insertions, 10 deletions
diff --git a/runsc/cmd/boot.go b/runsc/cmd/boot.go index f5c9821b2..e33a7f3cb 100644 --- a/runsc/cmd/boot.go +++ b/runsc/cmd/boot.go @@ -79,6 +79,26 @@ type Boot struct { // sandbox (e.g. gofer) and sent through this FD. mountsFD int + // profileBlockFD is the file descriptor to write a block profile to. + // Valid if >= 0. + profileBlockFD int + + // profileCPUFD is the file descriptor to write a CPU profile to. + // Valid if >= 0. + profileCPUFD int + + // profileHeapFD is the file descriptor to write a heap profile to. + // Valid if >= 0. + profileHeapFD int + + // profileMutexFD is the file descriptor to write a mutex profile to. + // Valid if >= 0. + profileMutexFD int + + // traceFD is the file descriptor to write a Go execution trace to. + // Valid if >= 0. + traceFD int + // pidns is set if the sandbox is in its own pid namespace. pidns bool @@ -119,6 +139,11 @@ func (b *Boot) SetFlags(f *flag.FlagSet) { f.IntVar(&b.userLogFD, "user-log-fd", 0, "file descriptor to write user logs to. 0 means no logging.") f.IntVar(&b.startSyncFD, "start-sync-fd", -1, "required FD to used to synchronize sandbox startup") f.IntVar(&b.mountsFD, "mounts-fd", -1, "mountsFD is the file descriptor to read list of mounts after they have been resolved (direct paths, no symlinks).") + f.IntVar(&b.profileBlockFD, "profile-block-fd", -1, "file descriptor to write block profile to. -1 disables profiling.") + f.IntVar(&b.profileCPUFD, "profile-cpu-fd", -1, "file descriptor to write CPU profile to. -1 disables profiling.") + f.IntVar(&b.profileHeapFD, "profile-heap-fd", -1, "file descriptor to write heap profile to. -1 disables profiling.") + f.IntVar(&b.profileMutexFD, "profile-mutex-fd", -1, "file descriptor to write mutex profile to. -1 disables profiling.") + f.IntVar(&b.traceFD, "trace-fd", -1, "file descriptor to write Go execution trace to. -1 disables tracing.") f.BoolVar(&b.attached, "attached", false, "if attached is true, kills the sandbox process when the parent process terminates") } @@ -213,16 +238,21 @@ func (b *Boot) Execute(_ context.Context, f *flag.FlagSet, args ...interface{}) // Create the loader. bootArgs := boot.Args{ - ID: f.Arg(0), - Spec: spec, - Conf: conf, - ControllerFD: b.controllerFD, - Device: os.NewFile(uintptr(b.deviceFD), "platform device"), - GoferFDs: b.ioFDs.GetArray(), - StdioFDs: b.stdioFDs.GetArray(), - NumCPU: b.cpuNum, - TotalMem: b.totalMem, - UserLogFD: b.userLogFD, + ID: f.Arg(0), + Spec: spec, + Conf: conf, + ControllerFD: b.controllerFD, + Device: os.NewFile(uintptr(b.deviceFD), "platform device"), + GoferFDs: b.ioFDs.GetArray(), + StdioFDs: b.stdioFDs.GetArray(), + NumCPU: b.cpuNum, + TotalMem: b.totalMem, + UserLogFD: b.userLogFD, + ProfileBlockFD: b.profileBlockFD, + ProfileCPUFD: b.profileCPUFD, + ProfileHeapFD: b.profileHeapFD, + ProfileMutexFD: b.profileMutexFD, + TraceFD: b.traceFD, } l, err := boot.New(bootArgs) if err != nil { diff --git a/runsc/cmd/debug.go b/runsc/cmd/debug.go index b2137ef46..318753728 100644 --- a/runsc/cmd/debug.go +++ b/runsc/cmd/debug.go @@ -90,6 +90,13 @@ func (d *Debug) Execute(_ context.Context, f *flag.FlagSet, args ...interface{}) var c *container.Container conf := args[0].(*config.Config) + if conf.ProfileBlock != "" || conf.ProfileCPU != "" || conf.ProfileHeap != "" || conf.ProfileMutex != "" { + return Errorf("global -profile-{block,cpu,heap,mutex} flags have no effect on runsc debug. Pass runsc debug -profile-{block,cpu,heap,mutex} instead") + } + if conf.TraceFile != "" { + return Errorf("global -trace flag has no effect on runsc debug. Pass runsc debug -trace instead") + } + if d.pid == 0 { // No pid, container ID must have been provided. if f.NArg() != 1 { |