diff options
Diffstat (limited to 'tools/perf/bench')
| -rw-r--r-- | tools/perf/bench/mem-functions.c | 22 | ||||
| -rw-r--r-- | tools/perf/bench/numa.c | 4 | ||||
| -rw-r--r-- | tools/perf/bench/sched-messaging.c | 10 |
3 files changed, 18 insertions, 18 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[] = { diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c index 870b7e665a20..492df2752a2d 100644 --- a/tools/perf/bench/numa.c +++ b/tools/perf/bench/numa.c @@ -164,8 +164,8 @@ static const struct option options[] = { OPT_STRING('L', "mb_proc_locked", &p0.mb_proc_locked_str,"MB", "process serialized/locked memory access (MBs), <= process_memory"), OPT_STRING('T', "mb_thread" , &p0.mb_thread_str, "MB", "thread memory (MBs)"), - OPT_UINTEGER('l', "nr_loops" , &p0.nr_loops, "max number of loops to run"), - OPT_UINTEGER('s', "nr_secs" , &p0.nr_secs, "max number of seconds to run"), + OPT_UINTEGER('l', "nr_loops" , &p0.nr_loops, "max number of loops to run (default: unlimited)"), + OPT_UINTEGER('s', "nr_secs" , &p0.nr_secs, "max number of seconds to run (default: 5 secs)"), OPT_UINTEGER('u', "usleep" , &p0.sleep_usecs, "usecs to sleep per loop iteration"), OPT_BOOLEAN('R', "data_reads" , &p0.data_reads, "access the data via writes (can be mixed with -W)"), diff --git a/tools/perf/bench/sched-messaging.c b/tools/perf/bench/sched-messaging.c index d7f281c2828d..d4ff1b539cfd 100644 --- a/tools/perf/bench/sched-messaging.c +++ b/tools/perf/bench/sched-messaging.c @@ -33,7 +33,7 @@ #define DATASIZE 100 static bool use_pipes = false; -static unsigned int loops = 100; +static unsigned int nr_loops = 100; static bool thread_mode = false; static unsigned int num_groups = 10; @@ -79,7 +79,7 @@ static void ready(int ready_out, int wakefd) err(EXIT_FAILURE, "poll"); } -/* Sender sprays loops messages down each file descriptor */ +/* Sender sprays nr_loops messages down each file descriptor */ static void *sender(struct sender_context *ctx) { char data[DATASIZE]; @@ -88,7 +88,7 @@ static void *sender(struct sender_context *ctx) ready(ctx->ready_out, ctx->wakefd); /* Now pump to every receiver. */ - for (i = 0; i < loops; i++) { + for (i = 0; i < nr_loops; i++) { for (j = 0; j < ctx->num_fds; j++) { int ret, done = 0; @@ -213,7 +213,7 @@ static unsigned int group(pthread_t *pth, /* Create the pipe between client and server */ fdpair(fds); - ctx->num_packets = num_fds * loops; + ctx->num_packets = num_fds * nr_loops; ctx->in_fds[0] = fds[0]; ctx->in_fds[1] = fds[1]; ctx->ready_out = ready_out; @@ -250,7 +250,7 @@ static const struct option options[] = { OPT_BOOLEAN('t', "thread", &thread_mode, "Be multi thread instead of multi process"), OPT_UINTEGER('g', "group", &num_groups, "Specify number of groups"), - OPT_UINTEGER('l', "loop", &loops, "Specify number of loops"), + OPT_UINTEGER('l', "nr_loops", &nr_loops, "Specify the number of loops to run (default: 100)"), OPT_END() }; |