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Signed-off-by: Ankur Arora > > Reviewed-by: Namhyung Kim > > A nitpick below. > >> --- >> tools/perf/bench/mem-functions.c | 14 +++++++------- >> 1 file changed, 7 insertions(+), 7 deletions(-) >> >> diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c >> index 8599ed96ee1f..b8f020379197 100644 >> --- a/tools/perf/bench/mem-functions.c >> +++ b/tools/perf/bench/mem-functions.c >> @@ -139,7 +139,7 @@ struct bench_mem_info { >> bool alloc_src; >> }; >> >> -static void __bench_mem_function(struct bench_mem_info *info, int r_idx, size_t size, double size_total) >> +static void __bench_mem_function(struct bench_mem_info *info, int r_idx, size_t size, size_t size_total) >> { >> const struct function *r = &info->functions[r_idx]; >> double result_bps = 0.0; >> @@ -165,18 +165,18 @@ static void __bench_mem_function(struct bench_mem_info *info, int r_idx, size_t >> switch (bench_format) { >> case BENCH_FORMAT_DEFAULT: >> if (use_cycles) { >> - printf(" %14lf cycles/byte\n", (double)rt.cycles/size_total); >> + printf(" %14lf cycles/byte\n", (double)rt.cycles/(double)size_total); >> } else { >> - result_bps = size_total/timeval2double(&rt.tv); >> + result_bps = (double)size_total/timeval2double(&rt.tv); >> print_bps(result_bps); >> } >> break; >> >> case BENCH_FORMAT_SIMPLE: >> if (use_cycles) { >> - printf("%lf\n", (double)rt.cycles/size_total); >> + printf("%lf\n", (double)rt.cycles/(double)size_total); >> } else { >> - result_bps = size_total/timeval2double(&rt.tv); >> + result_bps = (double)size_total/timeval2double(&rt.tv); >> printf("%lf\n", result_bps); >> } >> break; >> @@ -199,7 +199,7 @@ static int bench_mem_common(int argc, const char **argv, struct bench_mem_info * >> { >> int i; >> size_t size; >> - double size_total; >> + size_t size_total; >> >> argc = parse_options(argc, argv, options, info->usage, 0); >> >> @@ -212,7 +212,7 @@ static int bench_mem_common(int argc, const char **argv, struct bench_mem_info * >> } >> >> size = (size_t)perf_atoll((char *)size_str); >> - size_total = (double)size * nr_loops; >> + size_total = (size_t)size * nr_loops; > > No need to cast. Ah, yes. -- ankur