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PERF_3.2-BENCH(1) | perf Manual | PERF_3.2-BENCH(1) |
NAME¶
perf-bench - General framework for benchmark suitesSYNOPSIS¶
perf bench [<common options>] <subsystem> <suite> [<options>]
DESCRIPTION¶
This perf bench command is general framework for benchmark suites.COMMON OPTIONS¶
-f, --format=Specify format style. Current available format
styles are:
default
Default style. This is mainly for human
reading.
.ft C % perf bench sched pipe # with no style specified (executing 1000000 pipe operations between two tasks) Total time:5.855 sec 5.855061 usecs/op 170792 ops/sec .ft
This simple style is friendly for automated
processing by scripts.
.ft C % perf bench --format=simple sched pipe # specified simple 5.988 .ft
SUBSYSTEM¶
schedScheduler and IPC mechanisms.
SUITES FOR sched¶
messagingSuite for evaluating performance of scheduler
and IPC mechanisms. Based on hackbench by Rusty Russell.
-p, --pipe
Use pipe() instead of socketpair()
-t, --thread
Be multi thread instead of multi process
-g, --group=
Specify number of groups
-l, --loop=
Specify number of loops
.ft C % perf bench sched messaging # run with default options (20 sender and receiver processes per group) (10 groups == 400 processes run) Total time:0.308 sec % perf bench sched messaging -t -g 20 # be multi-thread, with 20 groups (20 sender and receiver threads per group) (20 groups == 800 threads run) Total time:0.582 sec .ft
Suite for pipe() system call. Based on
pipe-test-1m.c by Ingo Molnar.
-l, --loop=
Specify number of loops.
.ft C % perf bench sched pipe (executing 1000000 pipe operations between two tasks) Total time:8.091 sec 8.091833 usecs/op 123581 ops/sec % perf bench sched pipe -l 1000 # loop 1000 (executing 1000 pipe operations between two tasks) Total time:0.016 sec 16.948000 usecs/op 59004 ops/sec .ft
SEE ALSO¶
perf(1)06/24/2012 | perf |