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Code Issues Projects Releases Packages Wiki Activity Actions 2

Don't cut off stack traces at 32MB. (#11364)

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Nick Cabatoff 2021-04-16 15:55:05 -04:00 committed by GitHub
parent 4157ed4730
commit 5a17c4e5ff
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 6 additions and 3 deletions
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3
changelog/11364.txt Normal file
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@ -0,0 +1,3 @@
```release-note:improvement
core: allow arbitrary length stack traces upon receiving SIGUSR2 (was 32MB)
```

6
command/server.go
View file

@ -14,6 +14,7 @@ import (
"os"
"path/filepath"
"runtime"
"runtime/pprof"
"sort"
"strconv"
"strings"
@ -1969,9 +1970,8 @@ CLUSTER_SYNTHESIS_COMPLETE:
}
case <-c.SigUSR2Ch:
buf := make([]byte, 32*1024*1024)
n := runtime.Stack(buf[:], true)
c.logger.Info("goroutine trace", "stack", string(buf[:n]))
logWriter := c.logger.StandardWriter(&hclog.StandardLoggerOptions{})
pprof.Lookup("goroutine").WriteTo(logWriter, 2)
}
}