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Hyang-Ah (Hana) Kim c24cc40075 cmd/trace: fix a runnable goroutine count bug
When starting tracing, EvGoCreate events are added for existing
goroutines that may have been blocking in syscall. EvGoCreate
increments the runnable goroutine count. This change makes the
following EvGoInSyscall event decrement the runnable goroutine count
because we now know that goroutine is in syscall, and not runnable.

Made generateTrace return an error, at any given time, the number
of runnable/running/insyscall goroutines becomes non-negative.

Added a basic test that checks the number of runnable/running
goroutines don't include the goroutines in syscall - the test failed
before this change.

Change-Id: Ib732c382e7bd17158a437576f9d589ab89097ce6
Reviewed-on: https://go-review.googlesource.com/25552
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
2016-10-11 12:07:44 +00:00
.github doc: improve issue template 2016-08-29 03:33:28 +00:00
api unicode: upgrade to version 9.0.0 2016-06-28 15:08:11 +00:00
doc doc: update go1.8.txt using new tool 2016-10-09 19:15:43 +00:00
lib/time lib/time: update to IANA release 2016f (July 2016) 2016-07-07 16:15:13 +00:00
misc cmd/compile, cmd/cgo: align complex{64,128} like GCC 2016-10-05 17:44:27 +00:00
src cmd/trace: fix a runnable goroutine count bug 2016-10-11 12:07:44 +00:00
test cmd/compile: avoid leak of dottype expression on double assignment form 2016-10-10 12:09:16 +00:00
.gitattributes
.gitignore cmd/go: fail with nice error message on bad GOOS/GOARCH pair 2016-05-06 01:18:07 +00:00
AUTHORS A+C: automated updates 2016-06-24 02:21:02 +00:00
CONTRIBUTING.md doc: use new Gerrit URL and mention our instance in CONTRIBUTING.md 2016-03-09 00:52:42 +00:00
CONTRIBUTORS A+C: automated updates 2016-06-24 02:21:02 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS
README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
robots.txt

README.md

The Go Programming Language

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For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:

export GOROOT=$HOME/go
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See https://golang.org/doc/install or doc/install.html for more details.