diff options
| author | Austin Clements <austin@google.com> | 2023-02-14 12:25:11 -0500 |
|---|---|---|
| committer | Austin Clements <austin@google.com> | 2023-03-10 17:59:37 +0000 |
| commit | 3e360b035f4c3014e9564f4994c68ccc296ef629 (patch) | |
| tree | 1eddb9edefe065d015026fe628b8b62e7f7e3320 /src/runtime/mprof.go | |
| parent | 9872428a715a907a122ad705b5fa42f11a385664 (diff) | |
| download | go-3e360b035f4c3014e9564f4994c68ccc296ef629.tar.xz | |
runtime: new API for filling PC traceback buffers
Currently, filling PC traceback buffers is one of the jobs of
gentraceback. This moves it into a new function, tracebackPCs, with a
simple API built around unwinder, and changes all callers to use this
new API.
Updates #54466.
Change-Id: Id2038bded81bf533a5a4e71178a7c014904d938c
Reviewed-on: https://go-review.googlesource.com/c/go/+/468300
Reviewed-by: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Austin Clements <austin@google.com>
Diffstat (limited to 'src/runtime/mprof.go')
| -rw-r--r-- | src/runtime/mprof.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/runtime/mprof.go b/src/runtime/mprof.go index cf9e032981..dfaa369740 100644 --- a/src/runtime/mprof.go +++ b/src/runtime/mprof.go @@ -1173,7 +1173,9 @@ func GoroutineProfile(p []StackRecord) (n int, ok bool) { } func saveg(pc, sp uintptr, gp *g, r *StackRecord) { - n := gentraceback(pc, sp, 0, gp, 0, &r.Stack0[0], len(r.Stack0), nil, nil, 0) + var u unwinder + u.initAt(pc, sp, 0, gp, unwindSilentErrors) + n := tracebackPCs(&u, 0, r.Stack0[:]) if n < len(r.Stack0) { r.Stack0[n] = 0 } |