JK,
On Wed, Apr 2, 2008 at 3:23 PM, J K Rai <[EMAIL PROTECTED]> wrote:
> Hi all
>
> It seems that sampling option with pfmon gives the cumulative values of the
> events to be sampled.
>
You mean it gives you the IP-based profiles at the end. Samples are aggregated
by IP-address.
> Can we have it non cumulative i.e. like the no. of event observed during
> that sampling period.
>
You can have a sequential dump of the samples if you use a different sampling
module.
$ pfmon --smpl-module=compact --long-smpl-periods=2400000 my_test_program
0 19069 19069 1 0x400701 0x000020bc6cfe559d 17 0
-2400000
1 19069 19069 1 0x400701 0x000020bc6d15b975 17 0
-2400000
2 19069 19069 1 0x400701 0x000020bc6d2cbb54 17 0
-2400000
3 19069 19069 1 0x400701 0x000020bc6d43ccc1 17 0
-2400000
4 19069 19069 1 0x400701 0x000020bc6d5accff 17 0
-2400000
5 19069 19069 1 0x400701 0x000020bc6d71dbd4 17 0
-2400000
6 19069 19069 1 0x400701 0x000020bc6d88dbe9 17 0
-2400000
7 19069 19069 1 0x400701 0x000020bc6d9fea2b 17 0
-2400000
8 19069 19069 1 0x400701 0x000020bc6db6f7f6 17 0
-2400000
9 19069 19069 1 0x400701 0x000020bc6dcdf825 17 0
-2400000
> Regards
> JK
>
>
>
> can we have sampling option
>
> [email protected]
>
> stephane eranian <[EMAIL PROTECTED]> wrote:
> Hello,
>
> On Wed, Apr 2, 2008 at 1:04 PM, J K Rai wrote:
> > Thanks Dan And Stephen
> >
> > I want to sample no. of accesses on TLB (I+D) and L2 cache misses
> > simultaneously for a given process / thread.
> >
> > You said Pentium4 is complex. What's about xeon (single core and quad
> core)
> > as well as core2quad?
> >
> >
> If you have an Intel Core 2, then use this. It is much better and
> easier to program
> and the libpfm support is in much better shape than for Pentium 4.
> Note that you'd
> have to find the equivalent events.
>
>
>
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