linux/tools/perf/bench
Davidlohr Bueso d2f3f5d2e9 perf bench futex: Add lock_pi stresser
Allows a way of measuring low level kernel implementation of FUTEX_LOCK_PI and
FUTEX_UNLOCK_PI.

The program comes in two flavors:

(i) single futex (default), all threads contend on the same uaddr.  For the
sake of the benchmark, we call into kernel space even when the lock is
uncontended.  The kernel will set it to TID, any waters that come in and
contend for the pi futex will be handled respectively by the kernel.

(ii) -M option for multiple futexes, each thread deals with its own futex. This
is a trivial scenario and only measures kernel handling of 0->TID transition.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Cc: Mel Gorman <mgorman@suse.de>
Link: http://lkml.kernel.org/r/1436259353.12255.78.camel@stgolabs.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-07-20 17:49:51 -03:00
..
Build perf bench futex: Add lock_pi stresser 2015-07-20 17:49:51 -03:00
bench.h perf bench futex: Add lock_pi stresser 2015-07-20 17:49:51 -03:00
futex-hash.c perf bench futex: Support operations for shared futexes 2014-09-29 15:43:21 -03:00
futex-lock-pi.c perf bench futex: Add lock_pi stresser 2015-07-20 17:49:51 -03:00
futex-requeue.c perf bench futex: Fix hung wakeup tasks after requeueing 2015-04-27 13:57:49 -03:00
futex-wake-parallel.c perf bench futex: Support parallel waker threads 2015-05-08 16:23:50 -03:00
futex-wake.c perf bench futex: Handle spurious wakeups 2015-05-08 16:24:02 -03:00
futex.h perf bench futex: Add lock_pi stresser 2015-07-20 17:49:51 -03:00
mem-memcpy-arch.h tools/perf: Standardize feature support define names to: HAVE_{FEATURE}_SUPPORT 2013-10-09 08:48:28 +02:00
mem-memcpy-x86-64-asm-def.h perf/bench: Fix mem* routines usage after alternatives change 2015-03-03 18:01:10 +01:00
mem-memcpy-x86-64-asm.S perf/bench: Fix mem* routines usage after alternatives change 2015-03-03 18:01:10 +01:00
mem-memcpy.c A more involved rework of the alternatives framework to be able to 2015-03-04 06:36:15 +01:00
mem-memset-arch.h tools/perf: Standardize feature support define names to: HAVE_{FEATURE}_SUPPORT 2013-10-09 08:48:28 +02:00
mem-memset-x86-64-asm-def.h perf/bench: Fix mem* routines usage after alternatives change 2015-03-03 18:01:10 +01:00
mem-memset-x86-64-asm.S perf/bench: Fix mem* routines usage after alternatives change 2015-03-03 18:01:10 +01:00
numa.c perf bench numa: Share sched_getcpu() __weak def with cloexec.c 2015-05-18 12:36:46 -03:00
sched-messaging.c perf tools: Don't include sys/poll.h directly 2014-09-17 17:08:09 -03:00
sched-pipe.c perf tools: Avoid build splat for syscall numbers with uclibc 2015-01-16 17:49:29 -03:00