Re: [perfmon2] [BUG] perf_event: crash in perf_output_begin

2010-05-11 Thread Peter Zijlstra
On Mon, 2010-05-10 at 22:03 +0200, Stephane Eranian wrote: > On Mon, May 10, 2010 at 5:52 PM, Peter Zijlstra wrote: > > On Mon, 2010-05-10 at 17:33 +0200, Stephane Eranian wrote: > >> Hi, > >> > >> While testing 2.6.34-rc7 I ran into the following issue when > >> using BTS sampling on Intel Core.

Re: [perfmon2] [BUG] perf_event: crash in perf_output_begin

2010-05-10 Thread Stephane Eranian
On Mon, May 10, 2010 at 5:52 PM, Peter Zijlstra wrote: > On Mon, 2010-05-10 at 17:33 +0200, Stephane Eranian wrote: >> Hi, >> >> While testing 2.6.34-rc7 I ran into the following issue when >> using BTS sampling on Intel Core. It seems like something >> is not terminated properly. I am sampling BT

Re: [perfmon2] [BUG] perf_event: crash in perf_output_begin

2010-05-10 Thread Peter Zijlstra
On Mon, 2010-05-10 at 17:33 +0200, Stephane Eranian wrote: > Hi, > > While testing 2.6.34-rc7 I ran into the following issue when > using BTS sampling on Intel Core. It seems like something > is not terminated properly. I am sampling BTS per-thread > on a test program, then hit CTRL-C, one second