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| author | Sverker Eriksson <[email protected]> | 2017-12-12 21:58:25 +0100 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2017-12-12 21:58:25 +0100 |
| commit | a72a33e51218b1584f87629a9725665c22f9eb09 (patch) | |
| tree | 553295ed42a5275b0907c04f454798f385877435 /erts/emulator/test/driver_SUITE.erl | |
| parent | 003e5450924c4d8202e2013cac41eff58fa90584 (diff) | |
| download | otp-a72a33e51218b1584f87629a9725665c22f9eb09.tar.gz otp-a72a33e51218b1584f87629a9725665c22f9eb09.tar.bz2 otp-a72a33e51218b1584f87629a9725665c22f9eb09.zip | |
erts: Trim driver_SUITE:smp_select for slow valgrind
Symptom: "Closing pipe in state Waiting. Event lost?"
Snake oil:
Do erlang:yield() instead of busy spinning in "Waiting" state.
Diffstat (limited to 'erts/emulator/test/driver_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/driver_SUITE.erl | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl index 6810729285..c31ceb4d4b 100644 --- a/erts/emulator/test/driver_SUITE.erl +++ b/erts/emulator/test/driver_SUITE.erl @@ -1673,7 +1673,10 @@ smp_select0(Config) -> smp_select_loop(_, 0) -> ok; smp_select_loop(Port, N) -> - "ok" = erlang:port_control(Port, ?CHKIO_SMP_SELECT, []), + case erlang:port_control(Port, ?CHKIO_SMP_SELECT, []) of + "yield" -> erlang:yield(); + "ok" -> ok + end, receive stop -> io:format("Worker ~p stopped with ~p laps left\n",[self(), N]), |