f5432a5e82
Dumping to log is unusable in 90% of cases and inspecting file is much more convenient. Signed-off-by: Alexander Morozov <lk4d4@docker.com> Upstream-commit: e5d36586acdd020a0a6d5840ea1fd060b6e3504b Component: engine
29 lines
506 B
Go
29 lines
506 B
Go
// +build !windows
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package daemon
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import (
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"os"
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"os/signal"
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"syscall"
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stackdump "github.com/docker/docker/pkg/signal"
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"github.com/Sirupsen/logrus"
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)
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func setupDumpStackTrap(root string) {
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c := make(chan os.Signal, 1)
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signal.Notify(c, syscall.SIGUSR1)
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go func() {
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for range c {
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path, err := stackdump.DumpStacks(root)
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if err != nil {
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logrus.WithError(err).Error("failed to write goroutines dump")
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continue
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}
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logrus.Infof("goroutine stacks written to %s", path)
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}
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}()
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}
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