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author | Ian Rogers <irogers@google.com> | 2024-04-15 23:15:27 -0700 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2024-04-26 22:07:20 -0300 |
commit | ba5c371edfd05411522c1fefb00e92b54c08c9db (patch) | |
tree | 6f22a9eb5a808249d6f6857d290abd9820c3be49 /tools/perf/builtin-annotate.c | |
parent | 4e5484b4bfd53d4d12933ab9b19da66909f1598e (diff) | |
download | linux-ba5c371edfd05411522c1fefb00e92b54c08c9db.tar.gz linux-ba5c371edfd05411522c1fefb00e92b54c08c9db.tar.bz2 linux-ba5c371edfd05411522c1fefb00e92b54c08c9db.zip |
perf parse-events: Improve error message for bad numbers
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
event syntax error: '..les/period=99999999999999999999/'
\___ Bad base 10 number "99999999999999999999"
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
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Tested-by: Atish Patra <atishp@rivosinc.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Beeman Strong <beeman@rivosinc.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240416061533.921723-12-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-annotate.c')
0 files changed, 0 insertions, 0 deletions