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| author | Dmitry Vyukov <dvyukov@google.com> | 2014-12-12 18:41:57 +0100 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2015-01-28 16:35:24 +0000 |
| commit | 5288fadbdc1b81993c51d5044035144fccebd75e (patch) | |
| tree | fedd0e3654cabcbb0a1a82efd21690da3c210419 /src/runtime/sema.go | |
| parent | f30a2b9ca7ccfd325a5ebcc8eb57e39d8e9c7af3 (diff) | |
| download | go-5288fadbdc1b81993c51d5044035144fccebd75e.tar.gz go-5288fadbdc1b81993c51d5044035144fccebd75e.zip | |
runtime: add tracing of runtime events
Add actual tracing of interesting runtime events.
Part of a larger tracing functionality:
https://docs.google.com/document/u/1/d/1FP5apqzBgr7ahCCgFO-yoVhk4YZrNIDNf9RybngBc14/pub
Full change:
https://codereview.appspot.com/146920043
Change-Id: Icccf54aea54e09350bb698ba6bf11532f9fbe6d3
Reviewed-on: https://go-review.googlesource.com/1451
Reviewed-by: Russ Cox <rsc@golang.org>
Diffstat (limited to 'src/runtime/sema.go')
| -rw-r--r-- | src/runtime/sema.go | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/runtime/sema.go b/src/runtime/sema.go index 35a1264762..34852ea835 100644 --- a/src/runtime/sema.go +++ b/src/runtime/sema.go @@ -97,7 +97,7 @@ func semacquire(addr *uint32, profile bool) { // Any semrelease after the cansemacquire knows we're waiting // (we set nwait above), so go to sleep. root.queue(addr, s) - goparkunlock(&root.lock, "semacquire") + goparkunlock(&root.lock, "semacquire", traceEvGoBlockSync) if cansemacquire(addr) { break } @@ -234,7 +234,7 @@ func syncsemacquire(s *syncSema) { s.tail.next = w } s.tail = w - goparkunlock(&s.lock, "semacquire") + goparkunlock(&s.lock, "semacquire", traceEvGoBlockCond) if t0 != 0 { blockevent(int64(w.releasetime)-t0, 2) } @@ -273,7 +273,7 @@ func syncsemrelease(s *syncSema, n uint32) { s.tail.next = w } s.tail = w - goparkunlock(&s.lock, "semarelease") + goparkunlock(&s.lock, "semarelease", traceEvGoBlockCond) releaseSudog(w) } else { unlock(&s.lock) |