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Allow dumping stacks via ETW capture state

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Signed-off-by: Kevin Parsons <kevpar@microsoft.com>
This commit is contained in:
Kevin Parsons 2019-04-13 22:02:59 -07:00
parent 05dd66b2e6
commit 78f3dc433c
1 changed files with 22 additions and 6 deletions
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28
cmd/containerd/command/main_windows.go
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@ -24,7 +24,9 @@ import (
"unsafe"
winio "github.com/Microsoft/go-winio"
"github.com/Microsoft/go-winio/pkg/etw"
"github.com/Microsoft/go-winio/pkg/etwlogrus"
"github.com/Microsoft/go-winio/pkg/guid"
"github.com/containerd/containerd/log"
"github.com/containerd/containerd/services/server"
"github.com/sirupsen/logrus"
@ -91,11 +93,25 @@ func setupDumpStacks() {
}()
}
func init() {
// Provider ID: {2acb92c0-eb9b-571a-69cf-8f3410f383ad}
// Hook isn't closed explicitly, as it will exist until process exit.
// GUID is generated based on name - see Microsoft/go-winio/tools/etw-provider-gen.
if hook, err := etwlogrus.NewHook("ContainerD"); err == nil {
logrus.AddHook(hook)
func etwCallback(sourceID *guid.GUID, state etw.ProviderState, level etw.Level, matchAnyKeyword uint64, matchAllKeyword uint64, filterData uintptr) {
if state == etw.ProviderStateCaptureState {
dumpStacks()
}
}
func init() {
// Provider ID: 2acb92c0-eb9b-571a-69cf-8f3410f383ad
// Provider and hook aren't closed explicitly, as they will exist until
// process exit. GUID is generated based on name - see
// Microsoft/go-winio/tools/etw-provider-gen.
provider, err := etw.NewProvider("ContainerD", etwCallback)
if err != nil {
logrus.Error(err)
} else {
if hook, err := etwlogrus.NewHookFromProvider(provider); err == nil {
logrus.AddHook(hook)
} else {
logrus.Error(err)
}
}
}