Messages in this thread Patches in this message | | | From | "Chen, Dennis (SRDC SW)" <> | Subject | [PATCH 2/2] tools perf: Add a new benchmark tool for semaphore/mutex | Date | Mon, 16 Apr 2012 08:34:56 +0000 |
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A new performance benchmark tool for semaphore or mutex lock.
Signed-off-by: Dennis Chen <dennis1.chen@amd.com> --- diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c index fcb9626..354a133 100644 --- a/tools/perf/builtin-bench.c +++ b/tools/perf/builtin-bench.c @@ -58,6 +58,16 @@ static struct bench_suite mem_suites[] = { NULL } }; +static struct bench_suite lock_suites[] = { + { "mutex", + "Simple performance measurement for semaphore/mutex lock", + bench_lock_mutex }, + suite_all, + { NULL, + NULL, + NULL } +}; + struct bench_subsys { const char *name; const char *summary; @@ -71,6 +81,9 @@ static struct bench_subsys subsystems[] = { { "mem", "memory access performance", mem_suites }, + { "locking", + "lock method performance", + lock_suites }, { "all", /* sentinel: easy for help */ "test all subsystem (pseudo subsystem)", NULL }, diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 8a4b9bc..a947396 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -363,6 +363,7 @@ ifeq ($(RAW_ARCH),x86_64) BUILTIN_OBJS += $(OUTPUT)bench/mem-memcpy-x86-64-asm.o endif BUILTIN_OBJS += $(OUTPUT)bench/mem-memcpy.o +BUILTIN_OBJS += $(OUTPUT)bench/lock-mutex.o BUILTIN_OBJS += $(OUTPUT)builtin-diff.o BUILTIN_OBJS += $(OUTPUT)builtin-evlist.o diff --git a/tools/perf/bench/bench.h b/tools/perf/bench/bench.h index f7781c6..57f1170 100644 --- a/tools/perf/bench/bench.h +++ b/tools/perf/bench/bench.h @@ -4,6 +4,8 @@ extern int bench_sched_messaging(int argc, const char **argv, const char *prefix); extern int bench_sched_pipe(int argc, const char **argv, const char *prefix); extern int bench_mem_memcpy(int argc, const char **argv, const char *prefix __used); +extern int bench_lock_mutex(int argc, const char **argv, + const char *prefix __used); #define BENCH_FORMAT_DEFAULT_STR "default" #define BENCH_FORMAT_DEFAULT 0
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