On Thu, Oct 03, 2013 at 02:49:09PM +0300, Adrian Hunter wrote:
> You can boot with notsc and perf still seems to work
> e.g.
>
> $ dmesg | grep -i tsc
> [0.00] Command line: BOOT_IMAGE=/boot/vmlinuz-3.11.0+
> root=UUID=f1b4c71a-15aa-41a6-8898-cdde49966bce ro ignore_loglevel
> earlyprintk
On 03/10/13 14:02, Peter Zijlstra wrote:
> On Thu, Oct 03, 2013 at 01:13:45PM +0300, Adrian Hunter wrote:
>>> Anyway; looking at this, why does time_zero have these different checks
>>> from the other time bits?
>>>
>>> @@ -1897,6 +1898,11 @@ void arch_perf_update_userpage(struct
>>> perf_event_mm
On Thu, Oct 03, 2013 at 01:13:45PM +0300, Adrian Hunter wrote:
> > Anyway; looking at this, why does time_zero have these different checks
> > from the other time bits?
> >
> > @@ -1897,6 +1898,11 @@ void arch_perf_update_userpage(struct
> > perf_event_mmap_page *userpg, u64 now)
> > user
On 03/10/13 11:56, Peter Zijlstra wrote:
> On Thu, Oct 03, 2013 at 11:42:46AM +0300, Adrian Hunter wrote:
>> On 03/10/13 11:17, Jiri Olsa wrote:
>>> On Wed, Oct 02, 2013 at 04:46:59PM +0300, Adrian Hunter wrote:
On 02/10/13 16:23, Jiri Olsa wrote:
> hi,
> got a segfault in the tsc test
On Thu, Oct 03, 2013 at 12:54:32PM +0300, Adrian Hunter wrote:
> Where do you see that?
my minds eye.. I should go back to sleep or so :-( Its going to be one
of those days.
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On 03/10/13 11:58, Peter Zijlstra wrote:
> On Thu, Oct 03, 2013 at 10:56:25AM +0200, Peter Zijlstra wrote:
>>> No the ABI is broken in that case - better to crash.
>>
>> No; neither case should crash.
>
> OK; previously we would report cap_usr_time = 1 even though we might not
> have written stuff
On Thu, Oct 03, 2013 at 10:56:25AM +0200, Peter Zijlstra wrote:
> > No the ABI is broken in that case - better to crash.
>
> No; neither case should crash.
OK; previously we would report cap_usr_time = 1 even though we might not
have written stuff into the fields; which would indeed explain the
c
On Thu, Oct 03, 2013 at 11:42:46AM +0300, Adrian Hunter wrote:
> On 03/10/13 11:17, Jiri Olsa wrote:
> > On Wed, Oct 02, 2013 at 04:46:59PM +0300, Adrian Hunter wrote:
> >> On 02/10/13 16:23, Jiri Olsa wrote:
> >>> hi,
> >>> got a segfault in the tsc test on latest acme's tree.
> >>>
> >>> I'm deal
On 03/10/13 11:17, Jiri Olsa wrote:
> On Wed, Oct 02, 2013 at 04:46:59PM +0300, Adrian Hunter wrote:
>> On 02/10/13 16:23, Jiri Olsa wrote:
>>> hi,
>>> got a segfault in the tsc test on latest acme's tree.
>>>
>>> I'm dealing with some other issues right now, so just reporting ;-)
>>
>> The capabil
On Wed, Oct 02, 2013 at 04:46:59PM +0300, Adrian Hunter wrote:
> On 02/10/13 16:23, Jiri Olsa wrote:
> > hi,
> > got a segfault in the tsc test on latest acme's tree.
> >
> > I'm dealing with some other issues right now, so just reporting ;-)
>
> The capability bits have changed positions. You n
Em Wed, Oct 02, 2013 at 04:46:59PM +0300, Adrian Hunter escreveu:
> On 02/10/13 16:23, Jiri Olsa wrote:
> > hi,
> > got a segfault in the tsc test on latest acme's tree.
> >
> > I'm dealing with some other issues right now, so just reporting ;-)
>
> The capability bits have changed positions. Yo
On 02/10/13 16:23, Jiri Olsa wrote:
> hi,
> got a segfault in the tsc test on latest acme's tree.
>
> I'm dealing with some other issues right now, so just reporting ;-)
The capability bits have changed positions. You need to have:
commit fa7315871046b9a4c48627905691dbde57e51033
Author: Peter Z
hi,
got a segfault in the tsc test on latest acme's tree.
I'm dealing with some other issues right now, so just reporting ;-)
thanks,
jirka
(gdb) r test 20
Starting program: /home/jolsa/linux-perf/tools/perf/perf test 20
[Thread debugging using libthread_db enabled]
Using host libthread_db libra
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