Revision b43f3c151a89acffba1f84a207693f1da37dc80d authored by Piotr Galar on 20 March 2023, 12:25:23 UTC, committed by galargh on 20 March 2023, 14:03:07 UTC
fix: remove outdated changelog part (cherry picked from commit 624846fc15a55fd76f0899fb41a87f41772c8b47)
1 parent 1386592
goroutines.go
package profile
import (
"io"
"runtime"
)
// WriteAllGoroutineStacks writes a stack trace to the given writer.
// This is distinct from the Go-provided method because it does not truncate after 64 MB.
func WriteAllGoroutineStacks(w io.Writer) error {
// this is based on pprof.writeGoroutineStacks, and removes the 64 MB limit
buf := make([]byte, 1<<20)
for i := 0; ; i++ {
n := runtime.Stack(buf, true)
if n < len(buf) {
buf = buf[:n]
break
}
// if len(buf) >= 64<<20 {
// // Filled 64 MB - stop there.
// break
// }
buf = make([]byte, 2*len(buf))
}
_, err := w.Write(buf)
return err
}
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