diff options
Diffstat (limited to 'tools/perf/bench/mem-functions.c')
| -rw-r--r-- | tools/perf/bench/mem-functions.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c index 8d980d4a64e5..c5dfabdbd8d0 100644 --- a/tools/perf/bench/mem-functions.c +++ b/tools/perf/bench/mem-functions.c @@ -25,20 +25,20 @@ static const char *size_str = "1MB"; static const char *routine_str = "all"; -static int iterations = 1; +static int nr_loops = 1; static bool use_cycles; static int cycles_fd; static const struct option options[] = { - OPT_STRING('l', "size", &size_str, "1MB", + OPT_STRING('s', "size", &size_str, "1MB", "Specify the size of the memory buffers. " "Available units: B, KB, MB, GB and TB (case insensitive)"), OPT_STRING('r', "routine", &routine_str, "all", "Specify the routine to run, \"all\" runs all available routines, \"help\" lists them"), - OPT_INTEGER('i', "iterations", &iterations, - "Repeat the function this number of times"), + OPT_INTEGER('l', "nr_loops", &nr_loops, + "Specify the number of loops to run. (default: 1)"), OPT_BOOLEAN('c', "cycles", &use_cycles, "Use a cycles event instead of gettimeofday() to measure performance"), @@ -159,7 +159,7 @@ static int bench_mem_common(int argc, const char **argv, struct bench_mem_info * init_cycles(); size = (size_t)perf_atoll((char *)size_str); - size_total = (double)size * iterations; + size_total = (double)size * nr_loops; if ((s64)size <= 0) { fprintf(stderr, "Invalid size:%s\n", size_str); @@ -222,7 +222,7 @@ static u64 do_memcpy_cycles(const struct routine *r, size_t size) fn(dst, src, size); cycle_start = get_cycles(); - for (i = 0; i < iterations; ++i) + for (i = 0; i < nr_loops; ++i) fn(dst, src, size); cycle_end = get_cycles(); @@ -247,7 +247,7 @@ static double do_memcpy_gettimeofday(const struct routine *r, size_t size) fn(dst, src, size); BUG_ON(gettimeofday(&tv_start, NULL)); - for (i = 0; i < iterations; ++i) + for (i = 0; i < nr_loops; ++i) fn(dst, src, size); BUG_ON(gettimeofday(&tv_end, NULL)); @@ -256,7 +256,7 @@ static double do_memcpy_gettimeofday(const struct routine *r, size_t size) free(src); free(dst); - return (double)(((double)size * iterations) / timeval2double(&tv_diff)); + return (double)(((double)size * nr_loops) / timeval2double(&tv_diff)); } struct routine memcpy_routines[] = { @@ -313,7 +313,7 @@ static u64 do_memset_cycles(const struct routine *r, size_t size) fn(dst, -1, size); cycle_start = get_cycles(); - for (i = 0; i < iterations; ++i) + for (i = 0; i < nr_loops; ++i) fn(dst, i, size); cycle_end = get_cycles(); @@ -337,14 +337,14 @@ static double do_memset_gettimeofday(const struct routine *r, size_t size) fn(dst, -1, size); BUG_ON(gettimeofday(&tv_start, NULL)); - for (i = 0; i < iterations; ++i) + for (i = 0; i < nr_loops; ++i) fn(dst, i, size); BUG_ON(gettimeofday(&tv_end, NULL)); timersub(&tv_end, &tv_start, &tv_diff); free(dst); - return (double)(((double)size * iterations) / timeval2double(&tv_diff)); + return (double)(((double)size * nr_loops) / timeval2double(&tv_diff)); } static const char * const bench_mem_memset_usage[] = { |