Messages in this thread | | | Date | Fri, 19 Jun 2015 15:51:03 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: perf list tracepoints problem |
| |
Em Fri, Jun 19, 2015 at 12:51:04PM -0400, Steven Rostedt escreveu: > On Fri, 19 Jun 2015 13:19:53 -0300 > Arnaldo Carvalho de Melo <acme@kernel.org> wrote: > > > 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... > > > > Running the older perf that ignores tracepoints not on the debugfs > system?
Right, I thought I was, but there was a perf-3.10...rpm installed that was being used instead of my ~/bin/perf new binary, removed the rpm and it lists the tracepoints now, should've used 'perf --version' before hitting the send button, sorry about that.
- Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/
| |