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| author | Dan Gudmundsson <[email protected]> | 2017-12-19 12:05:30 +0100 |
|---|---|---|
| committer | Dan Gudmundsson <[email protected]> | 2017-12-19 12:05:30 +0100 |
| commit | 03c3bde623fdcb6e9ef4d390cc50fc812cb156d9 (patch) | |
| tree | b443283e28788421bf079702102eb60ebf7d51b6 /lib/runtime_tools | |
| parent | 135317d5587af9e8479bfcc6e767913fc4f7a6de (diff) | |
| parent | 7067db6e361e8f2feadd76dd6df66e5c6c4f8a0e (diff) | |
| download | otp-03c3bde623fdcb6e9ef4d390cc50fc812cb156d9.tar.gz otp-03c3bde623fdcb6e9ef4d390cc50fc812cb156d9.tar.bz2 otp-03c3bde623fdcb6e9ef4d390cc50fc812cb156d9.zip | |
Merge branch 'dgud/kernel/refc_sched_wall_time/OTP-11694'
* dgud/kernel/refc_sched_wall_time/OTP-11694:
test: spawn scheduler_wall_time flag holder
Turn on scheduler_wall_time in an alive process
Redirect system_flag(scheduler_wall_time,_) to kernel_refc
kernel: add a resource reference counter
Diffstat (limited to 'lib/runtime_tools')
| -rw-r--r-- | lib/runtime_tools/src/observer_backend.erl | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/runtime_tools/src/observer_backend.erl b/lib/runtime_tools/src/observer_backend.erl index 1b075a507d..a1edde8516 100644 --- a/lib/runtime_tools/src/observer_backend.erl +++ b/lib/runtime_tools/src/observer_backend.erl @@ -293,7 +293,7 @@ fetch_stats_loop(Parent, Time) -> erlang:system_flag(scheduler_wall_time, true), receive _Msg -> - %% erlang:system_flag(scheduler_wall_time, false) + erlang:system_flag(scheduler_wall_time, false), ok after Time -> _M = Parent ! {stats, 1, @@ -340,7 +340,6 @@ etop_collect(Collector) -> case SchedulerWallTime of undefined -> - erlang:system_flag(scheduler_wall_time,true), spawn(fun() -> flag_holder_proc(Collector) end), ok; _ -> @@ -348,10 +347,11 @@ etop_collect(Collector) -> end. flag_holder_proc(Collector) -> + erlang:system_flag(scheduler_wall_time,true), Ref = erlang:monitor(process,Collector), receive {'DOWN',Ref,_,_,_} -> - %% erlang:system_flag(scheduler_wall_time,false) + erlang:system_flag(scheduler_wall_time,false), ok end. |