From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Jiri Olsa <jolsa@redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: perf list tracepoints problem
Date: Fri, 19 Jun 2015 13:19:53 -0300 [thread overview]
Message-ID: <20150619161953.GA31188@kernel.org> (raw)
Hi,
Have you guys ever saw this:
[root@perf4 ~]# perf list
<SKIP>
mem:<addr>[:access] [Hardware
breakpoint]
[ Tracepoints not available: Success ]
[root@perf4 ~]# uname -r
4.1.0-rc8
[root@perf4 ~]# mount | grep tracefs
tracefs on /sys/kernel/debug/tracing type tracefs (rw,relatime)
[root@perf4 ~]# mount | grep debugfs
debugfs on /sys/kernel/debug type debugfs (rw,relatime,seclabel)
[root@perf4 ~]#
[root@zoo ~]# ls -la /sys/kernel/debug/tracing/events/ | tail
drwxr-xr-x. 15 root root 0 Jun 17 10:47 timer
drwxr-xr-x. 3 root root 0 Jun 17 10:47 tlb
drwxr-xr-x. 3 root root 0 Jun 17 10:47 udp
drwxr-xr-x. 4 root root 0 Jun 17 10:47 v4l2
drwxr-xr-x. 17 root root 0 Jun 17 10:47 vmscan
drwxr-xr-x. 3 root root 0 Jun 17 10:47 vsyscall
drwxr-xr-x. 6 root root 0 Jun 17 10:47 workqueue
drwxr-xr-x. 31 root root 0 Jun 17 10:47 writeback
drwxr-xr-x. 37 root root 0 Jun 17 10:47 xen
drwxr-xr-x. 11 root root 0 Jun 17 10:47 xhci-hcd
[root@zoo ~]#
?
Just a heads up, will continue investigating after some food...
- Arnaldo
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next reply other threads:[~2015-06-19 16:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-19 16:19 Arnaldo Carvalho de Melo [this message]
2015-06-19 16:51 ` Steven Rostedt
2015-06-19 18:51 ` Arnaldo Carvalho de Melo
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