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Date: Wed, 12 Aug 2020 09:09:08 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Alexander Gordeev <agordeev@...ux.ibm.com>
Cc: linux-kernel@...r.kernel.org,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>
Subject: Re: [PATCH v2 3/3] perf bench numa: fix benchmark names
Em Mon, Aug 10, 2020 at 08:22:00AM +0200, Alexander Gordeev escreveu:
> Standard benchmark names let users know the tests specifics.
> For example "2x1-bw-process" name tells that two processes
> one thread each are run and the RAM bandwidth is measured.
>
> Several benchmarks names do not correspond to their actual
> running configuration. Fix that and also some whitespace
> and comment inconsistencies.
Looks, ok, applied.
- Arnaldo
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
> Cc: Jiri Olsa <jolsa@...hat.com>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Signed-off-by: Alexander Gordeev <agordeev@...ux.ibm.com>
> ---
> tools/perf/bench/numa.c | 35 +++++++++++++++++------------------
> 1 file changed, 17 insertions(+), 18 deletions(-)
>
> diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
> index 90639c9..3b4b63f 100644
> --- a/tools/perf/bench/numa.c
> +++ b/tools/perf/bench/numa.c
> @@ -812,12 +812,12 @@ static u64 do_work(u8 *__data, long bytes, int nr, int nr_max, int loop, u64 val
> }
> }
> } else if (!g->p.data_backwards || (nr + loop) & 1) {
> + /* Process data forwards: */
>
> d0 = data + off;
> d = data + off + 1;
> d1 = data + words;
>
> - /* Process data forwards: */
> for (;;) {
> if (unlikely(d >= d1))
> d = data;
> @@ -835,7 +835,6 @@ static u64 do_work(u8 *__data, long bytes, int nr, int nr_max, int loop, u64 val
> d = data + off - 1;
> d1 = data + words;
>
> - /* Process data forwards: */
> for (;;) {
> if (unlikely(d < data))
> d = data + words-1;
> @@ -1732,12 +1731,12 @@ static int run_bench_numa(const char *name, const char **argv)
> */
> static const char *tests[][MAX_ARGS] = {
> /* Basic single-stream NUMA bandwidth measurements: */
> - { "RAM-bw-local,", "mem", "-p", "1", "-t", "1", "-P", "1024",
> + { "RAM-bw-local,", "mem", "-p", "1", "-t", "1", "-P", "1024",
> "-C" , "0", "-M", "0", OPT_BW_RAM },
> { "RAM-bw-local-NOTHP,",
> "mem", "-p", "1", "-t", "1", "-P", "1024",
> "-C" , "0", "-M", "0", OPT_BW_RAM_NOTHP },
> - { "RAM-bw-remote,", "mem", "-p", "1", "-t", "1", "-P", "1024",
> + { "RAM-bw-remote,", "mem", "-p", "1", "-t", "1", "-P", "1024",
> "-C" , "0", "-M", "1", OPT_BW_RAM },
>
> /* 2-stream NUMA bandwidth measurements: */
> @@ -1779,24 +1778,24 @@ static int run_bench_numa(const char *name, const char **argv)
> "mem", "-p", "8", "-t", "1", "-P", " 512", OPT_BW_NOTHP },
> { "16x1-bw-process,", "mem", "-p", "16", "-t", "1", "-P", "256", OPT_BW },
>
> - { " 4x1-bw-thread,", "mem", "-p", "1", "-t", "4", "-T", "256", OPT_BW },
> - { " 8x1-bw-thread,", "mem", "-p", "1", "-t", "8", "-T", "256", OPT_BW },
> - { "16x1-bw-thread,", "mem", "-p", "1", "-t", "16", "-T", "128", OPT_BW },
> - { "32x1-bw-thread,", "mem", "-p", "1", "-t", "32", "-T", "64", OPT_BW },
> + { " 1x4-bw-thread,", "mem", "-p", "1", "-t", "4", "-T", "256", OPT_BW },
> + { " 1x8-bw-thread,", "mem", "-p", "1", "-t", "8", "-T", "256", OPT_BW },
> + { "1x16-bw-thread,", "mem", "-p", "1", "-t", "16", "-T", "128", OPT_BW },
> + { "1x32-bw-thread,", "mem", "-p", "1", "-t", "32", "-T", "64", OPT_BW },
>
> - { " 2x3-bw-thread,", "mem", "-p", "2", "-t", "3", "-P", "512", OPT_BW },
> - { " 4x4-bw-thread,", "mem", "-p", "4", "-t", "4", "-P", "512", OPT_BW },
> - { " 4x6-bw-thread,", "mem", "-p", "4", "-t", "6", "-P", "512", OPT_BW },
> - { " 4x8-bw-thread,", "mem", "-p", "4", "-t", "8", "-P", "512", OPT_BW },
> - { " 4x8-bw-thread-NOTHP,",
> + { " 2x3-bw-process,", "mem", "-p", "2", "-t", "3", "-P", "512", OPT_BW },
> + { " 4x4-bw-process,", "mem", "-p", "4", "-t", "4", "-P", "512", OPT_BW },
> + { " 4x6-bw-process,", "mem", "-p", "4", "-t", "6", "-P", "512", OPT_BW },
> + { " 4x8-bw-process,", "mem", "-p", "4", "-t", "8", "-P", "512", OPT_BW },
> + { " 4x8-bw-process-NOTHP,",
> "mem", "-p", "4", "-t", "8", "-P", "512", OPT_BW_NOTHP },
> - { " 3x3-bw-thread,", "mem", "-p", "3", "-t", "3", "-P", "512", OPT_BW },
> - { " 5x5-bw-thread,", "mem", "-p", "5", "-t", "5", "-P", "512", OPT_BW },
> + { " 3x3-bw-process,", "mem", "-p", "3", "-t", "3", "-P", "512", OPT_BW },
> + { " 5x5-bw-process,", "mem", "-p", "5", "-t", "5", "-P", "512", OPT_BW },
>
> - { "2x16-bw-thread,", "mem", "-p", "2", "-t", "16", "-P", "512", OPT_BW },
> - { "1x32-bw-thread,", "mem", "-p", "1", "-t", "32", "-P", "2048", OPT_BW },
> + { "2x16-bw-process,", "mem", "-p", "2", "-t", "16", "-P", "512", OPT_BW },
> + { "1x32-bw-process,", "mem", "-p", "1", "-t", "32", "-P", "2048", OPT_BW },
>
> - { "numa02-bw,", "mem", "-p", "1", "-t", "32", "-T", "32", OPT_BW },
> + { "numa02-bw,", "mem", "-p", "1", "-t", "32", "-T", "32", OPT_BW },
> { "numa02-bw-NOTHP,", "mem", "-p", "1", "-t", "32", "-T", "32", OPT_BW_NOTHP },
> { "numa01-bw-thread,", "mem", "-p", "2", "-t", "16", "-T", "192", OPT_BW },
> { "numa01-bw-thread-NOTHP,",
> --
> 1.8.3.1
>
--
- Arnaldo
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