Re: perf timechart broken

From: David Ahern
Date: Fri Jan 14 2011 - 12:09:20 EST




On 01/14/11 10:00, Thomas Renninger wrote:
>> http://www.mail-archive.com/linux-perf-
> users@xxxxxxxxxxxxxxx/msg00057.html
> Looks slightly different, the segfault should happen in:
> process_sample_event
> But looks very much related, possibly it has not been made/make with
> DEBUG=1
> and -O6 was added and the backtrace is not 100% correct?

perf was built with DEBUG=1; that's how I got the pretty backtrace
versus having the arguments optimized out. The cpu=6291457 is the
garbage causing the segfault (there are only 2 cores in the system).
6291457 = 0x600001. Perhaps a mask is missing?

David

>
> I still did not have time to send it out, will do so on Mo.
>
> Thomas
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/