Re: [PATCH V3] perf script: Find script file relative to exec path

From: Jiri Olsa
Date: Mon May 24 2021 - 05:40:40 EST


On Mon, May 24, 2021 at 09:57:18AM +0300, Adrian Hunter wrote:
> Allow perf script to find a script in the exec path.
>
> Example:
>
> Before:
>
> $ perf record -a -e intel_pt/branch=0/ sleep 0.1
> [ perf record: Woken up 1 times to write data ]
> [ perf record: Captured and wrote 0.954 MB perf.data ]
> $ perf script intel-pt-events.py 2>&1 | head -3
> Error: Couldn't find script `intel-pt-events.py'
> See perf script -l for available scripts.
> $ perf script -s intel-pt-events.py 2>&1 | head -3
> Can't open python script "intel-pt-events.py": No such file or directory
> $ perf script ~/libexec/perf-core/scripts/python/intel-pt-events.py 2>&1 | head -3
> Error: Couldn't find script `/home/ahunter/libexec/perf-core/scripts/python/intel-pt-events.py'
> See perf script -l for available scripts.
> $
>
> After:
>
> $ perf script intel-pt-events.py 2>&1 | head -3
> Intel PT Power Events and PTWRITE
> perf 8123/8123 [000] 551.230753986 cbr: 42 freq: 4219 MHz (156%) 0 [unknown] ([unknown])
> perf 8123/8123 [001] 551.230808216 cbr: 42 freq: 4219 MHz (156%) 0 [unknown] ([unknown])
> $ perf script -s intel-pt-events.py 2>&1 | head -3
> Intel PT Power Events and PTWRITE
> perf 8123/8123 [000] 551.230753986 cbr: 42 freq: 4219 MHz (156%) 0 [unknown] ([unknown])
> perf 8123/8123 [001] 551.230808216 cbr: 42 freq: 4219 MHz (156%) 0 [unknown] ([unknown])
> $ perf script ~/libexec/perf-core/scripts/python/intel-pt-events.py 2>&1 | head -3
> Intel PT Power Events and PTWRITE
> perf 8123/8123 [000] 551.230753986 cbr: 42 freq: 4219 MHz (156%) 0 [unknown] ([unknown])
> perf 8123/8123 [001] 551.230808216 cbr: 42 freq: 4219 MHz (156%) 0 [unknown] ([unknown])
> $
>
> Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>

Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>

thanks,
jirka