From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Namhyung Kim <namhyung@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Kan Liang <kan.liang@linux.intel.com>,
James Clark <james.clark@arm.com>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org, Atish Patra <atishp@rivosinc.com>,
linux-riscv@lists.infradead.org,
Beeman Strong <beeman@rivosinc.com>
Subject: Re: [PATCH v2 11/16] perf parse-events: Improve error message for bad numbers
Date: Fri, 26 Apr 2024 22:35:59 -0300 [thread overview]
Message-ID: <ZixWfypP4FtKgv0F@x1> (raw)
In-Reply-To: <20240416061533.921723-12-irogers@google.com>
On Mon, Apr 15, 2024 at 11:15:27PM -0700, Ian Rogers wrote:
> Use the error handler from the parse_state to give a more informative
> error message.
>
> Before:
> ```
> $ perf stat -e 'cycles/period=99999999999999999999/' true
> event syntax error: 'cycles/period=99999999999999999999/'
> \___ parser error
> Run 'perf list' for a list of valid events
>
> Usage: perf stat [<options>] [<command>]
>
> -e, --event <event> event selector. use 'perf list' to list available events
> ```
>
> After:
> ```
> $ perf stat -e 'cycles/period=99999999999999999999/' true
> event syntax error: 'cycles/period=99999999999999999999/'
> \___ parser error
>
This ended up in perf-tools-next, will have to look at what this problem
is:
9 11.46 amazonlinux:2 : FAIL gcc version 7.3.1 20180712 (Red Hat 7.3.1-17) (GCC)
yy_size_t parse_events_get_leng (yyscan_t yyscanner );
^~~~~~~~~~~~~~~~~~~~~
util/parse-events.l:22:5: note: previous declaration of 'parse_events_get_leng' was here
int parse_events_get_leng(yyscan_t yyscanner);
^~~~~~~~~~~~~~~~~~~~~
yy_size_t parse_events_get_leng (yyscan_t yyscanner)
^~~~~~~~~~~~~~~~~~~~~
util/parse-events.l:22:5: note: previous declaration of 'parse_events_get_leng' was here
int parse_events_get_leng(yyscan_t yyscanner);
^~~~~~~~~~~~~~~~~~~~~
make[3]: *** [util] Error 2
Unsure if this will appear on the radar on other distros, maybe this is
just something that pops up with older distros...
Ran out of time today...
- Arnaldo
next prev parent reply other threads:[~2024-04-27 1:36 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-16 6:15 [PATCH v2 00/16] Consistently prefer sysfs/json events Ian Rogers
2024-04-16 6:15 ` [PATCH v2 01/16] perf parse-events: Factor out '<event_or_pmu>/.../' parsing Ian Rogers
2024-04-16 6:15 ` [PATCH v2 02/16] perf parse-events: Directly pass PMU to parse_events_add_pmu Ian Rogers
2024-04-16 6:15 ` [PATCH v2 03/16] perf parse-events: Avoid copying an empty list Ian Rogers
2024-04-16 6:15 ` [PATCH v2 04/16] perf pmu: Refactor perf_pmu__match Ian Rogers
2024-04-16 6:15 ` [PATCH v2 05/16] perf tests parse-events: Use branches rather than cache-references Ian Rogers
2024-04-16 6:15 ` [PATCH v2 06/16] perf parse-events: Legacy cache names on all PMUs and lower priority Ian Rogers
2024-04-16 6:15 ` [PATCH v2 07/16] perf parse-events: Handle PE_TERM_HW in name_or_raw Ian Rogers
2024-04-16 6:15 ` [PATCH v2 08/16] perf parse-events: Constify parse_events_add_numeric Ian Rogers
2024-04-16 6:15 ` [PATCH v2 09/16] perf parse-events: Prefer sysfs/json hardware events over legacy Ian Rogers
2024-04-16 6:15 ` [PATCH v2 10/16] perf parse-events: Inline parse_events_update_lists Ian Rogers
2024-04-16 6:15 ` [PATCH v2 11/16] perf parse-events: Improve error message for bad numbers Ian Rogers
2024-04-18 20:27 ` Liang, Kan
2024-04-18 21:07 ` Ian Rogers
2024-04-19 13:29 ` Liang, Kan
2024-04-27 1:35 ` Arnaldo Carvalho de Melo [this message]
2024-04-27 1:36 ` Arnaldo Carvalho de Melo
2024-04-27 22:05 ` Ian Rogers
2024-04-16 6:15 ` [PATCH v2 12/16] perf parse-events: Inline parse_events_evlist_error Ian Rogers
2024-04-16 6:15 ` [PATCH v2 13/16] perf parse-events: Improvements to modifier parsing Ian Rogers
2024-04-18 20:32 ` Liang, Kan
2024-04-19 6:22 ` Ian Rogers
2024-04-19 13:20 ` Liang, Kan
2024-04-24 15:18 ` Ian Rogers
2024-04-24 15:30 ` Liang, Kan
2024-04-16 6:15 ` [PATCH v2 14/16] perf parse-event: Constify event_symbol arrays Ian Rogers
2024-04-16 6:15 ` [PATCH v2 15/16] perf parse-events: Minor grouping tidy up Ian Rogers
2024-04-16 6:15 ` [PATCH v2 16/16] perf parse-events: Tidy the setting of the default event name Ian Rogers
2024-04-24 0:28 ` [PATCH v2 00/16] Consistently prefer sysfs/json events Atish Kumar Patra
2024-04-24 15:14 ` Ian Rogers
2024-04-24 15:34 ` Liang, Kan
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