runtime/pprof: use syscall.RUSAGE_SELF

Change-Id: Idc37429de5a48e708eda868ca7fa26b28620bac0
Reviewed-on: https://go-review.googlesource.com/c/go/+/391854
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/src/runtime/pprof/pprof_rusage.go b/src/runtime/pprof/pprof_rusage.go
index 7df81eca23cf06aa38cba5ccaffa70fbf078f3d0..984a32e79d4561eb91e1d343eaa8c14d1fcfb195 100644 (file)
--- a/src/runtime/pprof/pprof_rusage.go
+++ b/src/runtime/pprof/pprof_rusage.go
@@ -28,6 +28,6 @@ func addMaxRSS(w io.Writer) {
        }
 
        var rusage syscall.Rusage
-       syscall.Getrusage(0, &rusage)
+       syscall.Getrusage(syscall.RUSAGE_SELF, &rusage)
        fmt.Fprintf(w, "# MaxRSS = %d\n", uintptr(rusage.Maxrss)*rssToBytes)
 }