linux-kernel - perf list tracepoints problem

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Date:	Fri, 19 Jun 2015 13:19:53 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Jiri Olsa <jolsa@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: perf list tracepoints problem

Hi,

	Have you guys ever saw this:

[root@...f4 ~]# perf list
<SKIP>
  mem:<addr>[:access]                                [Hardware
breakpoint]

  [ Tracepoints not available: Success ]
[root@...f4 ~]# uname -r
4.1.0-rc8
[root@...f4 ~]# mount | grep tracefs
tracefs on /sys/kernel/debug/tracing type tracefs (rw,relatime)
[root@...f4 ~]# mount | grep debugfs
debugfs on /sys/kernel/debug type debugfs (rw,relatime,seclabel)
[root@...f4 ~]# 

[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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