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Groups > linux.kernel > #1404281
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: sem_lock() vs qspinlocks |
| Date | 2016-05-20 11:40 +0200 |
| Message-ID | <rAP4t-3Mf-13@gated-at.bofh.it> (permalink) |
| References | <rALkd-1uD-9@gated-at.bofh.it> <rANP3-35u-1@gated-at.bofh.it> <rANP3-35u-9@gated-at.bofh.it> <rAOBs-3AY-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, May 20, 2016 at 11:07:49AM +0200, Giovanni Gherdovich wrote:
> ----------- run_cascade.sh -------------------------------------
> #!/bin/bash
>
> TESTCASE=$1
> CASCADE_PATH="libmicro-1-installed/bin-x86_64"
>
> case $TESTCASE in
> c_flock_200)
> BINNAME="cascade_flock"
> COMMAND="$CASCADE_PATH/cascade_flock -E -D 60000 -L -S -W \
> -N c_flock_200 \
> -P 200 -I 5000000"
> # c_flock_200 is supposed to last 60 seconds.
> SLEEPTIME=70
> ;;
> c_cond_10)
> BINNAME="cascade_cond"
> COMMAND="$CASCADE_PATH/cascade_cond -E -C 2000 -L -S -W \
> -N c_cond_10 \
> -T 10 -I 3000"
> # c_cond_10 terminates in less than 1 second.
> SLEEPTIME=5
> ;;
> *)
> echo "Unknown test case" >&2
> exit 1
> ;;
> esac
>
> ERRORS=0
> uname -a
> for i in {1..10} ; do
> {
> eval $COMMAND &
> } >/dev/null 2>&1
> sleep $SLEEPTIME
> if pidof $BINNAME >/dev/null ; then
> echo Run \#$i: $TESTCASE hangs
> for PID in $(pidof $BINNAME) ; do
> head -1 /proc/$PID/stack
> done | sort | uniq -c
> ERRORS=$((ERRORS+1))
> killall $BINNAME
> else
> echo Run \#$i: $TESTCASE exits successfully
> fi
> done
> echo $TESTCASE hanged $ERRORS times.
> ----------------------------------------------------------------
Thanks, that's a much nicer script than mine ;-)
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sem_lock() vs qspinlocks Davidlohr Bueso <dave@stgolabs.net> - 2016-05-20 07:40 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 10:00 +0200
Re: sem_lock() vs qspinlocks Davidlohr Bueso <dave@stgolabs.net> - 2016-05-20 17:10 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 17:10 +0200
Re: sem_lock() vs qspinlocks Davidlohr Bueso <dave@stgolabs.net> - 2016-05-20 17:30 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 17:30 +0200
Re: sem_lock() vs qspinlocks Waiman Long <waiman.long@hpe.com> - 2016-05-20 22:50 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 23:00 +0200
Re: sem_lock() vs qspinlocks Davidlohr Bueso <dave@stgolabs.net> - 2016-05-21 03:00 +0200
Re: sem_lock() vs qspinlocks Waiman Long <waiman.long@hpe.com> - 2016-05-21 06:10 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-21 09:50 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 10:00 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 10:20 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 10:20 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 11:40 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 10:40 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 11:10 +0200
Re: sem_lock() vs qspinlocks Ingo Molnar <mingo@kernel.org> - 2016-05-20 12:10 +0200
Re: sem_lock() vs qspinlocks Mel Gorman <mgorman@techsingularity.net> - 2016-05-20 12:50 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 14:00 +0200
Re: sem_lock() vs qspinlocks Boqun Feng <boqun.feng@gmail.com> - 2016-05-20 16:10 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 17:30 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 18:10 +0200
Re: sem_lock() vs qspinlocks Linus Torvalds <torvalds@linux-foundation.org> - 2016-05-20 19:10 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 23:10 +0200
Re: sem_lock() vs qspinlocks Linus Torvalds <torvalds@linux-foundation.org> - 2016-05-20 23:50 +0200
Re: sem_lock() vs qspinlocks Davidlohr Bueso <dave@stgolabs.net> - 2016-05-21 02:50 +0200
Re: sem_lock() vs qspinlocks Linus Torvalds <torvalds@linux-foundation.org> - 2016-05-21 04:40 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-21 09:40 +0200
Re: sem_lock() vs qspinlocks Manfred Spraul <manfred@colorfullife.com> - 2016-05-21 15:50 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-24 13:00 +0200
Re: sem_lock() vs qspinlocks Davidlohr Bueso <dave@stgolabs.net> - 2016-05-21 19:20 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-23 14:30 +0200
Re: sem_lock() vs qspinlocks Linus Torvalds <torvalds@linux-foundation.org> - 2016-05-23 20:00 +0200
Re: sem_lock() vs qspinlocks Boqun Feng <boqun.feng@gmail.com> - 2016-05-25 08:40 +0200
Re: sem_lock() vs qspinlocks Manfred Spraul <manfred@colorfullife.com> - 2016-05-22 10:50 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-22 11:40 +0200
Re: sem_lock() vs qspinlocks Davidlohr Bueso <dave@stgolabs.net> - 2016-05-20 18:30 +0200
Re: sem_lock() vs qspinlocks Waiman Long <waiman.long@hpe.com> - 2016-05-20 22:50 +0200
Re: sem_lock() vs qspinlocks Peter Zijlstra <peterz@infradead.org> - 2016-05-20 23:00 +0200
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