diff options
| author | Nicolas Hillegeer <aktau@google.com> | 2024-12-12 08:35:17 -0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2025-02-18 08:13:46 -0800 |
| commit | ecda82012d3cff21c758fa45eb5e86365015a131 (patch) | |
| tree | 0ee538b8522f38a6b598562ca7189ae021d860c5 /src | |
| parent | 81c66e71d480ae2372b7eea4bcdf600b50fdd5e1 (diff) | |
| download | go-ecda82012d3cff21c758fa45eb5e86365015a131.tar.xz | |
runtime: only read pp.m in schedtrace if needed
Change-Id: Iad3353431a2ef97c1e0c440bdd84b78cb5ea990e
Reviewed-on: https://go-review.googlesource.com/c/go/+/635635
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Nicolas Hillegeer <aktau@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/proc.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/runtime/proc.go b/src/runtime/proc.go index ce6cf88d0c..c9d04edd07 100644 --- a/src/runtime/proc.go +++ b/src/runtime/proc.go @@ -6391,11 +6391,11 @@ func schedtrace(detailed bool) { // Even if we hold schedlock, most data can be changed concurrently. // E.g. (p->m ? p->m->id : -1) can crash if p->m changes from non-nil to nil. for i, pp := range allp { - mp := pp.m.ptr() h := atomic.Load(&pp.runqhead) t := atomic.Load(&pp.runqtail) if detailed { print(" P", i, ": status=", pp.status, " schedtick=", pp.schedtick, " syscalltick=", pp.syscalltick, " m=") + mp := pp.m.ptr() if mp != nil { print(mp.id) } else { |