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author | gVisor bot <gvisor-bot@google.com> | 2020-03-05 17:16:54 -0800 |
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committer | gVisor bot <gvisor-bot@google.com> | 2020-03-05 17:16:54 -0800 |
commit | 6367963c14e2d3d35805907a7057a63fc58c30f6 (patch) | |
tree | f9d1fe261ef7fe70a9d98a219bb6c6de02480264 /runsc/cmd/debug.go | |
parent | 9b3aad33c4470908953b7b548b12cba77799f342 (diff) | |
parent | d8ed78431162fcaed0b31b54d939c8a54d4736e7 (diff) |
Merge pull request #1951 from moricho:moricho/add-profiler-option
PiperOrigin-RevId: 299233818
Diffstat (limited to 'runsc/cmd/debug.go')
-rw-r--r-- | runsc/cmd/debug.go | 64 |
1 files changed, 53 insertions, 11 deletions
diff --git a/runsc/cmd/debug.go b/runsc/cmd/debug.go index 79965460e..b5de2588b 100644 --- a/runsc/cmd/debug.go +++ b/runsc/cmd/debug.go @@ -32,17 +32,20 @@ import ( // Debug implements subcommands.Command for the "debug" command. type Debug struct { - pid int - stacks bool - signal int - profileHeap string - profileCPU string - trace string - strace string - logLevel string - logPackets string - duration time.Duration - ps bool + pid int + stacks bool + signal int + profileHeap string + profileCPU string + profileGoroutine string + profileBlock string + profileMutex string + trace string + strace string + logLevel string + logPackets string + duration time.Duration + ps bool } // Name implements subcommands.Command. @@ -66,6 +69,9 @@ func (d *Debug) SetFlags(f *flag.FlagSet) { f.BoolVar(&d.stacks, "stacks", false, "if true, dumps all sandbox stacks to the log") f.StringVar(&d.profileHeap, "profile-heap", "", "writes heap profile to the given file.") f.StringVar(&d.profileCPU, "profile-cpu", "", "writes CPU profile to the given file.") + f.StringVar(&d.profileGoroutine, "profile-goroutine", "", "writes goroutine profile to the given file.") + f.StringVar(&d.profileBlock, "profile-block", "", "writes block profile to the given file.") + f.StringVar(&d.profileMutex, "profile-mutex", "", "writes mutex profile to the given file.") f.DurationVar(&d.duration, "duration", time.Second, "amount of time to wait for CPU and trace profiles") f.StringVar(&d.trace, "trace", "", "writes an execution trace to the given file.") f.IntVar(&d.signal, "signal", -1, "sends signal to the sandbox") @@ -147,6 +153,42 @@ func (d *Debug) Execute(_ context.Context, f *flag.FlagSet, args ...interface{}) } log.Infof("Heap profile written to %q", d.profileHeap) } + if d.profileGoroutine != "" { + f, err := os.Create(d.profileGoroutine) + if err != nil { + return Errorf(err.Error()) + } + defer f.Close() + + if err := c.Sandbox.GoroutineProfile(f); err != nil { + return Errorf(err.Error()) + } + log.Infof("Goroutine profile written to %q", d.profileGoroutine) + } + if d.profileBlock != "" { + f, err := os.Create(d.profileBlock) + if err != nil { + return Errorf(err.Error()) + } + defer f.Close() + + if err := c.Sandbox.BlockProfile(f); err != nil { + return Errorf(err.Error()) + } + log.Infof("Block profile written to %q", d.profileBlock) + } + if d.profileMutex != "" { + f, err := os.Create(d.profileMutex) + if err != nil { + return Errorf(err.Error()) + } + defer f.Close() + + if err := c.Sandbox.MutexProfile(f); err != nil { + return Errorf(err.Error()) + } + log.Infof("Mutex profile written to %q", d.profileMutex) + } delay := false if d.profileCPU != "" { |