Messages in this thread |  | | From | Arnaldo Carvalho de Melo <> | Date | Mon, 2 Dec 2019 15:59:58 -0300 | Subject | Re: perf probe -d failing to delete probes |
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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
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