(2015/04/01 23:41), Arnaldo Carvalho de Melo wrote: > Em Wed, Apr 01, 2015 at 06:08:17PM +0900, Masami Hiramatsu escreveu: >> Ping? > > <SNIP> > >>> With this patch, perf probe can access unnamed fields. >>> ----- >>> #./perf probe -nfx ./perf lock__delete ops 'locked_ops=ops->locked.ops' >>> Added new event: >>> probe_perf:lock__delete (on lock__delete in >>> /home/mhiramat/ksrc/linux-3/tools/perf/perf with ops >>> locked_ops=ops->locked.ops) > >>> You can now use it in all perf tools, such as: > >>> perf record -e probe_perf:lock__delete -aR sleep 1 >>> ----- > >>> The original report of this issue is: https://lkml.org/lkml/2015/3/5/431 > > what am I doing wrong? > > [root@ssdandy ~]# perf probe ~acme/bin/perf lock__delete 'locked_ops=ops' > Added new event: > probe_perf:lock__delete (on lock__delete in /home/acme/bin/perf with > locked_ops=ops) > > You can now use it in all perf tools, such as: > > perf record -e probe_perf:lock__delete -aR sleep 1 > > [root@ssdandy ~]# perf probe -d probe_perf:* > Removed event: probe_perf:lock__delete > [root@ssdandy ~]# perf probe ~acme/bin/perf lock__delete > 'locked_ops=ops->locked' > Semantic error: locked must be referred by '.' > Error: Failed to add events. > [root@ssdandy ~]# perf probe ~acme/bin/perf lock__delete > 'locked_ops=ops.locked' > Semantic error: locked must be referred by '->' > Error: Failed to add events. > [root@ssdandy ~]# perf probe ~acme/bin/perf lock__delete > 'locked_ops=ops->locked' > Semantic error: locked must be referred by '.' > Error: Failed to add events. > [root@ssdandy ~]# perf probe ~acme/bin/perf lock__delete > 'locked_ops=ops->locked.ops' > Semantic error: locked must be referred by '.' > Error: Failed to add events. > [root@ssdandy ~]#
Oops, thank you for reporting! I must miss something... Thank you, > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- Masami HIRAMATSU Linux Technology Research Center, System Productivity Research Dept. Center for Technology Innovation - Systems Engineering Hitachi, Ltd., Research & Development Group E-mail: [email protected] -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

