Re: ARM64 perf stacktraces on tracepoint events

2017-03-02 Thread Kim Phillips
On Thu, 2 Mar 2017 10:44:11 + Mark Rutland wrote: > [Adding James, Takahiro-san, and Will, for stacktracing and arm64 perf] > > On Wed, Mar 01, 2017 at 04:42:17PM -0800, Joel Fernandes wrote: > > Hi, > > > > On 3.18 kernel running on an arm64 device, I tried running: > > perf record -a -g -

Re: ARM64 perf stacktraces on tracepoint events

2017-03-02 Thread Mark Rutland
[Adding James, Takahiro-san, and Will, for stacktracing and arm64 perf] On Wed, Mar 01, 2017 at 04:42:17PM -0800, Joel Fernandes wrote: > Hi, > > On 3.18 kernel running on an arm64 device, I tried running: > perf record -a -g -e sched:sched_wakeup > > I was expecting something like the output at

ARM64 perf stacktraces on tracepoint events

2017-03-01 Thread Joel Fernandes
Hi, On 3.18 kernel running on an arm64 device, I tried running: perf record -a -g -e sched:sched_wakeup I was expecting something like the output at: www.brendangregg.com/perf.html But I don't see stacktraces, could I be missing any patches you could point me to? I do see stack traces if I do re