From: Jiri Olsa <jolsa@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: acme@kernel.org, linux-perf-users@vger.kernel.org,
linux-kernel@vger.kernel.org, jolsa@kernel.org,
namhyung@kernel.org, eranian@google.com,
Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH 01/11] perf tools script: Handle missing fields with -F +..
Date: Mon, 25 Feb 2019 13:56:42 +0100 [thread overview]
Message-ID: <20190225125642.GM19795@krava> (raw)
In-Reply-To: <20190224153722.27020-2-andi@firstfloor.org>
On Sun, Feb 24, 2019 at 07:37:12AM -0800, Andi Kleen wrote:
> From: Andi Kleen <ak@linux.intel.com>
>
> When using -F + syntax to add a field the existing defaults
> are currently all marked user_set. This can cause errors when
> some field is missing in the perf.data
>
> This patch tracks the actually user set fields separately,
> so that we don't error out in this case.
>
> Before:
>
> % perf record true
> % perf script -F +metric
> Samples for 'cycles:ppp' event do not have CPU attribute set. Cannot print 'cpu' field.
> %
>
> After
>
> 5 perf record true
> % perf script -F +metric
> perf 28936 278636.237688: 1 cycles:ppp: ffffffff8117da99 perf_event_exec+0x59 (/lib/modules/4.20.0-odilo/build/vmlinux)
> ...
> %
>
> Signed-off-by: Andi Kleen <ak@linux.intel.com>
nice, that one was annoying
Acked-by: Jiri Olsa <jolsa@kernel.org>
thanks,
jirka
> ---
> tools/perf/builtin-script.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
> index 8d5fe092525c..29e95a25c6e6 100644
> --- a/tools/perf/builtin-script.c
> +++ b/tools/perf/builtin-script.c
> @@ -149,6 +149,7 @@ static struct {
> unsigned int print_ip_opts;
> u64 fields;
> u64 invalid_fields;
> + u64 user_set_fields;
> } output[OUTPUT_TYPE_MAX] = {
>
> [PERF_TYPE_HARDWARE] = {
> @@ -345,7 +346,7 @@ static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
> if (attr->sample_type & sample_type)
> return 0;
>
> - if (output[type].user_set) {
> + if (output[type].user_set_fields & field) {
> if (allow_user_set)
> return 0;
> evname = perf_evsel__name(evsel);
> @@ -2628,10 +2629,13 @@ static int parse_output_fields(const struct option *opt __maybe_unused,
> pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
> all_output_options[i].str, event_type(j));
> } else {
> - if (change == REMOVE)
> + if (change == REMOVE) {
> output[j].fields &= ~all_output_options[i].field;
> - else
> + output[j].user_set_fields &= ~all_output_options[i].field;
> + } else {
> output[j].fields |= all_output_options[i].field;
> + output[j].user_set_fields |= all_output_options[i].field;
> + }
> output[j].user_set = true;
> output[j].wildcard_set = true;
> }
> --
> 2.17.2
>
next prev parent reply other threads:[~2019-02-25 12:56 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-24 15:37 Support sample context in perf report Andi Kleen
2019-02-24 15:37 ` [PATCH 01/11] perf tools script: Handle missing fields with -F + Andi Kleen
2019-02-25 12:56 ` Jiri Olsa [this message]
2019-02-25 13:49 ` Arnaldo Carvalho de Melo
2019-02-28 8:04 ` [tip:perf/core] perf " tip-bot for Andi Kleen
2019-02-24 15:37 ` [PATCH 02/11] perf tools script: Support insn output for normal samples Andi Kleen
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 12:56 ` Jiri Olsa
2019-02-24 15:37 ` [PATCH 03/11] perf tools report: Support nano seconds Andi Kleen
2019-02-25 16:40 ` Sebastien Boisvert
2019-02-25 17:34 ` Andi Kleen
2019-02-24 15:37 ` [PATCH 04/11] perf tools report: Parse time quantum Andi Kleen
2019-02-25 12:55 ` Jiri Olsa
2019-02-24 15:37 ` [PATCH 05/11] perf tools report: Support time sort key Andi Kleen
2019-02-24 15:37 ` [PATCH 06/11] perf tools report: Use less for scripts output Andi Kleen
2019-02-25 12:55 ` Jiri Olsa
2019-02-24 15:37 ` [PATCH 07/11] perf tools report: Support running scripts for current time range Andi Kleen
2019-02-25 12:55 ` Jiri Olsa
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 13:28 ` Andi Kleen
2019-02-25 13:35 ` Jiri Olsa
2019-02-24 15:37 ` [PATCH 08/11] perf tools: Add perf_exe() helper to find perf binary Andi Kleen
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 13:58 ` Arnaldo Carvalho de Melo
2019-02-28 8:05 ` [tip:perf/core] " tip-bot for Andi Kleen
2019-02-24 15:37 ` [PATCH 09/11] perf tools report: Support builtin perf script in scripts menu Andi Kleen
2019-02-25 12:57 ` Jiri Olsa
2019-02-24 15:37 ` [PATCH 10/11] perf tools: Add utility function to print ns time stamps Andi Kleen
2019-02-24 15:37 ` [PATCH 11/11] perf tools report: Implement browsing of individual samples Andi Kleen
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 13:33 ` Andi Kleen
2019-03-04 14:48 ` Jiri Olsa
2019-02-25 12:56 ` Jiri Olsa
2019-02-25 13:31 ` Andi Kleen
2019-02-25 13:35 ` Jiri Olsa
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