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Message-ID: <20210115192538.GG457607@kernel.org>
Date: Fri, 15 Jan 2021 16:25:38 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: kan.liang@...ux.intel.com
Cc: mingo@...nel.org, linux-kernel@...r.kernel.org, jolsa@...hat.com,
namhyung@...nel.org, eranian@...gle.com, ak@...ux.intel.com,
mark.rutland@....com, will@...nel.org, mpe@...erman.id.au
Subject: Re: [PATCH V4 4/6] perf script: Add support for
PERF_SAMPLE_CODE_PAGE_SIZE
Em Tue, Jan 05, 2021 at 11:57:50AM -0800, kan.liang@...ux.intel.com escreveu:
> From: Stephane Eranian <eranian@...gle.com>
>
> Display sampled code page sizes when PERF_SAMPLE_CODE_PAGE_SIZE was set.
>
> For example,
> perf script --fields comm,event,ip,code_page_size
> dtlb mem-loads:uP: 445777 4K
> dtlb mem-loads:uP: 40f724 4K
> dtlb mem-loads:uP: 474926 4K
> dtlb mem-loads:uP: 401075 4K
> dtlb mem-loads:uP: 401095 4K
> dtlb mem-loads:uP: 401095 4K
> dtlb mem-loads:uP: 4010cc 4K
> dtlb mem-loads:uP: 440b6f 4K
>
> Acked-by: Namhyung Kim <namhyung@...nel.org>
> Acked-by: Jiri Olsa <jolsa@...hat.com>
> Signed-off-by: Stephane Eranian <eranian@...gle.com>
You missed your Signed-off-by, I'm adding it, please ack this change.
- Arnaldo
> ---
> tools/perf/Documentation/perf-script.txt | 2 +-
> tools/perf/builtin-script.c | 13 +++++++++++--
> tools/perf/util/session.c | 3 +++
> 3 files changed, 15 insertions(+), 3 deletions(-)
>
> diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
> index 44d37210fc8f..60dae302db27 100644
> --- a/tools/perf/Documentation/perf-script.txt
> +++ b/tools/perf/Documentation/perf-script.txt
> @@ -118,7 +118,7 @@ OPTIONS
> comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr, symoff,
> srcline, period, iregs, uregs, brstack, brstacksym, flags, bpf-output,
> brstackinsn, brstackoff, callindent, insn, insnlen, synth, phys_addr,
> - metric, misc, srccode, ipc, data_page_size.
> + metric, misc, srccode, ipc, data_page_size, code_page_size.
> Field list can be prepended with the type, trace, sw or hw,
> to indicate to which event type the field list applies.
> e.g., -F sw:comm,tid,time,ip,sym and -F trace:time,cpu,trace
> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
> index edacfa98d073..9e995311a9b8 100644
> --- a/tools/perf/builtin-script.c
> +++ b/tools/perf/builtin-script.c
> @@ -117,6 +117,7 @@ enum perf_output_field {
> PERF_OUTPUT_IPC = 1ULL << 31,
> PERF_OUTPUT_TOD = 1ULL << 32,
> PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33,
> + PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34,
> };
>
> struct perf_script {
> @@ -182,6 +183,7 @@ struct output_option {
> {.str = "ipc", .field = PERF_OUTPUT_IPC},
> {.str = "tod", .field = PERF_OUTPUT_TOD},
> {.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
> + {.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
> };
>
> enum {
> @@ -255,7 +257,7 @@ static struct {
> PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
> PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
> PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
> - PERF_OUTPUT_DATA_PAGE_SIZE,
> + PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE,
>
> .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
> },
> @@ -507,6 +509,10 @@ static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
> evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
> return -EINVAL;
>
> + if (PRINT_FIELD(CODE_PAGE_SIZE) &&
> + evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
> + return -EINVAL;
> +
> return 0;
> }
>
> @@ -2020,6 +2026,9 @@ static void process_event(struct perf_script *script,
> if (PRINT_FIELD(DATA_PAGE_SIZE))
> fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
>
> + if (PRINT_FIELD(CODE_PAGE_SIZE))
> + fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
> +
> perf_sample__fprintf_ipc(sample, attr, fp);
>
> fprintf(fp, "\n");
> @@ -3519,7 +3528,7 @@ int cmd_script(int argc, const char **argv)
> "addr,symoff,srcline,period,iregs,uregs,brstack,"
> "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
> "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc,tod,"
> - "data_page_size",
> + "data_page_size,code_page_size",
> parse_output_fields),
> OPT_BOOLEAN('a', "all-cpus", &system_wide,
> "system-wide collection from all CPUs"),
> diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
> index 357d6b972b9d..492c994c948a 100644
> --- a/tools/perf/util/session.c
> +++ b/tools/perf/util/session.c
> @@ -1312,6 +1312,9 @@ static void dump_sample(struct evsel *evsel, union perf_event *event,
> if (sample_type & PERF_SAMPLE_DATA_PAGE_SIZE)
> printf(" .. data page size: %s\n", get_page_size_name(sample->data_page_size, str));
>
> + if (sample_type & PERF_SAMPLE_CODE_PAGE_SIZE)
> + printf(" .. code page size: %s\n", get_page_size_name(sample->code_page_size, str));
> +
> if (sample_type & PERF_SAMPLE_TRANSACTION)
> printf("... transaction: %" PRIx64 "\n", sample->transaction);
>
> --
> 2.25.1
>
--
- Arnaldo
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