From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: perf probe -d failing to delete probes
Date: Mon, 2 Dec 2019 15:59:58 -0300 [thread overview]
Message-ID: <20191202185958.GH4063@kernel.org> (raw)
In-Reply-To: <20191129151324.GA26963@kernel.org>
Em Fri, Nov 29, 2019 at 12:13:24PM -0300, Arnaldo Carvalho de Melo escreveu:
>
> Hi Masami,
>
> Can you please take a look at this?
>
> [root@quaco perf]# perf probe -l
> probe_perf:map__map_ip (on ui__warn_map_erange+222@perf/tools/perf/builtin-top.c in /home/acme/bin/perf)
> probe_perf:map__map_ip (on ui__warn_map_erange+222@perf/tools/perf/builtin-top.c in /home/acme/bin/perf)
> probe_perf:map__map_ip (on perf_evlist__set_paused+222@util/evlist.c in /home/acme/bin/perf)
> probe_perf:map__map_ip (on perf_evlist__resume+222@util/evlist.c in /home/acme/bin/perf)
> probe_perf:map__map_ip (on perf_evsel__group_desc+222@util/evsel.c in /home/acme/bin/perf)
> probe_perf:map__map_ip (on svg_partial_wakeline+222@util/svghelper.c in /home/acme/bin/perf)
> [root@quaco perf]# perf probe -d probe_perf:map_*
> "probe_perf:map_*" does not hit any event.
> Error: Failed to delete events.
> [root@quaco perf]# perf probe -d probe_perf:*
> "probe_perf:*" does not hit any event.
> Error: Failed to delete events.
> [root@quaco perf]# perf probe -d probe*:*
> "probe*:*" does not hit any event.
> Error: Failed to delete events.
> [root@quaco perf]# perf probe -d '*:*'
> "*:*" does not hit any event.
> Error: Failed to delete events.
> [root@quaco perf]#
[root@quaco ~]# perf probe -l
probe_perf:map__map_ip (on process_sample_event+6663@tools/perf/builtin-script.c in /home/acme/bin/perf)
probe_perf:map__map_ip (on process_sample_event+6739@tools/perf/builtin-script.c in /home/acme/bin/perf)
probe_perf:map__map_ip (on unwind_entry+436@util/machine.c in /home/acme/bin/perf)
probe_perf:map__map_ip (on machine__process_extra_kernel_map+31@util/machine.c in /home/acme/bin/perf)
probe_perf:map__map_ip (on __maps__insert+192@util/map.c in /home/acme/bin/perf)
probe_perf:map__map_ip (on dso__process_kernel_symbol+336@util/symbol-elf.c in /home/acme/bin/perf)
[root@quaco ~]# ls -la /sys/kernel/debug/tracing/events/probe_perf/
total 0
drwxr-xr-x. 3 root root 0 Nov 29 12:09 .
drwxr-xr-x. 113 root root 0 Dec 2 15:56 ..
-rw-r--r--. 1 root root 0 Nov 29 12:09 enable
-rw-r--r--. 1 root root 0 Nov 29 12:09 filter
drwxr-xr-x. 2 root root 0 Nov 29 12:09 map__map_ip
[root@quaco ~]#
Trying to figure out how to remove it via debugfs/tracefs
next prev parent reply other threads:[~2019-12-02 19:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-29 15:13 perf probe -d failing to delete probes Arnaldo Carvalho de Melo
2019-12-02 18:59 ` Arnaldo Carvalho de Melo [this message]
2019-12-02 19:04 ` Arnaldo Carvalho de Melo
2019-12-02 22:18 ` Masami Hiramatsu
2019-12-03 0:55 ` Arnaldo Carvalho de Melo
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