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runtime: enable profiling on g0

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Since we now have stack information for code running on the
systemstack, we can traceback over it. To make cpu profiles useful,
add a case in gentraceback to jump over systemstack switches.

Fixes #10609.

Change-Id: I21f47fcc802c07c5d4a1ada56374314e388a6dc7
Reviewed-on: https://go-review.googlesource.com/9506
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
This commit is contained in:
Daniel Morsing 2015-04-30 15:32:54 +01:00
parent 19e81a9b3b
commit db6f88a84b
12 changed files with 105 additions and 142 deletions
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5
src/runtime/export_test.go
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@ -106,11 +106,6 @@ var MemclrBytes = memclrBytes
var HashLoad = &hashLoad
// For testing.
func GogoBytes() int32 {
return _RuntimeGogoBytes
}
// entry point for testing
func GostringW(w []uint16) (s string) {
systemstack(func() {