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| author | Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> | 2009-11-17 18:20:09 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-19 08:21:48 +0300 |
| commit | 827f3b4974c5db2968d4979fe6a0ae00ab37bdd8 (patch) | |
| tree | 63d9a4b655553c484b05137e06b69d578c9a66a4 /tools/perf/builtin-bench.c | |
| parent | b269876c8d57fb8c801bea1fc34b461646c5abd0 (diff) | |
| download | linux-827f3b4974c5db2968d4979fe6a0ae00ab37bdd8.tar.xz | |
perf bench: Add memcpy() benchmark
'perf bench mem memcpy' is a benchmark suite for measuring memcpy()
performance.
Example on a Intel(R) Core(TM)2 Duo CPU E6850 @ 3.00GHz:
| % perf bench mem memcpy -l 1GB
| # Running mem/memcpy benchmark...
| # Copying 1MB Bytes from 0xb7d98008 to 0xb7e99008 ...
|
| 726.216412 MB/Sec
Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1258471212-30281-1-git-send-email-mitake@dcl.info.waseda.ac.jp>
[ v2: updated changelog, clarified history of builtin-bench.c ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-bench.c')
| -rw-r--r-- | tools/perf/builtin-bench.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c index 90c39baae0de..e043eb83092a 100644 --- a/tools/perf/builtin-bench.c +++ b/tools/perf/builtin-bench.c @@ -12,6 +12,7 @@ * * Available subsystem list: * sched ... scheduler and IPC mechanism + * mem ... memory access performance * */ @@ -43,6 +44,15 @@ static struct bench_suite sched_suites[] = { NULL } }; +static struct bench_suite mem_suites[] = { + { "memcpy", + "Simple memory copy in various ways", + bench_mem_memcpy }, + { NULL, + NULL, + NULL } +}; + struct bench_subsys { const char *name; const char *summary; @@ -53,9 +63,12 @@ static struct bench_subsys subsystems[] = { { "sched", "scheduler and IPC mechanism", sched_suites }, + { "mem", + "memory access performance", + mem_suites }, { NULL, NULL, - NULL } + NULL } }; static void dump_suites(int subsys_index) |