From: Jiri Olsa <jolsa@redhat.com>
To: kan.liang@linux.intel.com
Cc: acme@kernel.org, mingo@kernel.org, linux-kernel@vger.kernel.org,
namhyung@kernel.org, eranian@google.com, ak@linux.intel.com,
mark.rutland@arm.com, will@kernel.org, mpe@ellerman.id.au
Subject: Re: [PATCH V2 03/12] perf script: Support data page size
Date: Sat, 5 Dec 2020 00:27:39 +0100 [thread overview]
Message-ID: <20201204232739.GI3613628@krava> (raw)
In-Reply-To: <20201130172803.2676-4-kan.liang@linux.intel.com>
On Mon, Nov 30, 2020 at 09:27:54AM -0800, kan.liang@linux.intel.com wrote:
SNIP
> #endif /* __PERF_RECORD_H */
> diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
> index 5cc722b6fe7c..e73f579f31d3 100644
> --- a/tools/perf/util/session.c
> +++ b/tools/perf/util/session.c
> @@ -1260,10 +1260,30 @@ static void dump_event(struct evlist *evlist, union perf_event *event,
> event->header.size, perf_event__name(event->header.type));
> }
>
> +char *get_page_size_name(u64 size, char *str)
> +{
> + const char suffixes[5] = { 'B', 'K', 'M', 'G', 'T' };
> + int i;
> +
> + if (size == 0) {
> + snprintf(str, PAGE_SIZE_NAME_LEN, "%s", "N/A");
> + return str;
> + }
> + for (i = 0; i < 5; i++) {
> + if (size < 1024)
> + break;
> + size /= 1024;
> + }
> +
> + snprintf(str, PAGE_SIZE_NAME_LEN, "%lu%c", size, suffixes[i]);
> + return str;
> +}
we have the same code in unit_number__scnprintf,
you just need to add support for 'T' and 'N/A'
jirka
next prev parent reply other threads:[~2020-12-04 23:30 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 17:27 [PATCH V2 00/12] Add the page size in the perf record (user tools) kan.liang
2020-11-30 17:27 ` [PATCH V2 01/12] tools headers UAPI: Update tools's copy of linux/perf_event.h kan.liang
2020-12-07 16:52 ` Arnaldo Carvalho de Melo
2020-11-30 17:27 ` [PATCH V2 02/12] perf record: Support new sample type for data page size kan.liang
2020-12-07 17:07 ` Arnaldo Carvalho de Melo
2020-12-07 20:25 ` Liang, Kan
2020-12-16 15:49 ` Arnaldo Carvalho de Melo
2020-11-30 17:27 ` [PATCH V2 03/12] perf script: Support " kan.liang
2020-12-04 23:27 ` Jiri Olsa [this message]
2020-11-30 17:27 ` [PATCH V2 04/12] perf sort: Add sort option for " kan.liang
2020-11-30 17:27 ` [PATCH V2 05/12] perf mem: Factor out a function to generate sort order kan.liang
2020-12-04 23:27 ` Jiri Olsa
2020-11-30 17:27 ` [PATCH V2 06/12] perf mem: Clean up output format kan.liang
2020-12-04 23:27 ` Jiri Olsa
2020-12-07 20:19 ` Liang, Kan
2020-12-08 10:29 ` Jiri Olsa
2020-11-30 17:27 ` [PATCH V2 07/12] perf mem: Support data page size kan.liang
2020-11-30 17:27 ` [PATCH V2 08/12] perf test: Add test case for PERF_SAMPLE_DATA_PAGE_SIZE kan.liang
2020-11-30 17:28 ` [PATCH V2 09/12] perf tools: Add support for PERF_SAMPLE_CODE_PAGE_SIZE kan.liang
2020-11-30 17:28 ` [PATCH V2 10/12] perf script: " kan.liang
2020-11-30 17:28 ` [PATCH V2 11/12] perf report: " kan.liang
2020-11-30 17:28 ` [PATCH V2 12/12] perf test: Add test case " kan.liang
2020-12-08 10:31 ` [PATCH V2 00/12] Add the page size in the perf record (user tools) Jiri Olsa
-- strict thread matches above, loose matches on Subject: below --
2019-01-23 15:15 [PATCH V2 01/12] perf/core, x86: Add PERF_SAMPLE_DATA_PAGE_SIZE kan.liang
2019-01-23 15:15 ` [PATCH V2 03/12] perf script: Support data page size kan.liang
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