that's fixing the issue for me, this was crashing:
# perf stat -a -I 1000 -M L1D_Cache_Fill_BW,L2_Cache_Fill_BW
To cover this scenario (multiple metrics listed), how about a simple
addition like:
>8
From bd2ded1b0ef4962a9443cd180eed4e5c5b75ae5f Mon Sep 17 00:00:00 2001
From
On 21/01/2021 20:31, Arnaldo Carvalho de Melo wrote:
They are not normally broken like that. Normally we test beforehand, but
these cases were missed here by me. However if you were testing them
previously, then it would be expected that you had tested them again for the
final patchset which was
Em Wed, Jan 20, 2021 at 09:15:54AM +, John Garry escreveu:
> On 20/01/2021 05:15, Joakim Zhang wrote:
> > For this patch: Tested-by: Joakim Zhang
> > Hi John, Jolsa,
> > Is there any way to avoid breaking exist metric expressions? If not, it
> > will always happened after metricgroup change
On Tue, Jan 19, 2021 at 06:04:15PM +0800, John Garry wrote:
> Joakim reports that getting "perf stat" for multiple system PMU metrics
> segfaults:
> ./perf stat -a -I 1000 -M imx8mm_ddr_write.all,imx8mm_ddr_write.all
> Segmentation fault
>
> While the same works without issue for a single metric.
On Tue, Jan 19, 2021 at 05:33:13PM +, John Garry wrote:
SNIP
> Please try this:
>
> From 2380f1ef0250e6818b3dbc7bff4a868810875e2a Mon Sep 17 00:00:00 2001
> From: John Garry
> Date: Tue, 19 Jan 2021 17:29:54 +
> Subject: [PATCH] perf metricgroup: Fix metric support for duration_time
>
On 20/01/2021 12:56, Jiri Olsa wrote:
that's fixing the issue for me, this was crashing:
# perf stat -a -I 1000 -M L1D_Cache_Fill_BW,L2_Cache_Fill_BW
could you please send it formaly, so it can be merged?
I will do it today. But I want to make sure that the logic is correct,
so checking i
; kj...@linux.ibm.com
> Cc: linux-kernel@vger.kernel.org; linux...@openeuler.org
> Subject: Re: [PATCH] perf metricgroup: Fix system PMU metrics
>
> On 20/01/2021 05:15, Joakim Zhang wrote:
> >
> >> -Original Message-
> >> From: John Garry
> >>
...@google.com; kj...@linux.ibm.com
Cc: linux-kernel@vger.kernel.org; linux...@openeuler.org
Subject: Re: [PATCH] perf metricgroup: Fix system PMU metrics
On 19/01/2021 15:47, John Garry wrote:
On 19/01/2021 10:56, Joakim Zhang wrote:
It seems have other issue compared to 5.10 kernel after switching to
; kj...@linux.ibm.com
> Cc: linux-kernel@vger.kernel.org; linux...@openeuler.org
> Subject: Re: [PATCH] perf metricgroup: Fix system PMU metrics
>
> On 19/01/2021 15:47, John Garry wrote:
> > On 19/01/2021 10:56, Joakim Zhang wrote:
> >> It seems have other issue comp
On 19/01/2021 15:47, John Garry wrote:
On 19/01/2021 10:56, Joakim Zhang wrote:
It seems have other issue compared to 5.10 kernel after switching to
this framework, below metric can't work.
"MetricExpr": "(( imx8_ddr0@read\\-cycles@ + imx8_ddr0@write\\-cycles@
) * 4 * 4 / duration_time) / (750
On 19/01/2021 10:56, Joakim Zhang wrote:
It seems have other issue compared to 5.10 kernel after switching to this
framework, below metric can't work.
"MetricExpr": "(( imx8_ddr0@read\\-cycles@ + imx8_ddr0@write\\-cycles@ ) * 4 * 4 /
duration_time) / (750 * 100 * 4 * 4)"
After change to:
"M
On 19/01/2021 10:56, Joakim Zhang wrote:
root@imx8mmevk:~# ./perf stat -a -I 1000 -M
imx8mm_ddr_read.all,imx8mm_ddr_write
.all
# time counts unit events
1.001446500
; kj...@linux.ibm.com
> Cc: linux-kernel@vger.kernel.org; linux...@openeuler.org
> Subject: Re: [PATCH] perf metricgroup: Fix system PMU metrics
>
> On 19/01/2021 10:56, Joakim Zhang wrote:
> >> Joakim reports that getting "perf stat" for multiple system PMU
> &g
On 19/01/2021 10:56, Joakim Zhang wrote:
Joakim reports that getting "perf stat" for multiple system PMU metrics
segfaults:
./perf stat -a -I 1000 -M imx8mm_ddr_write.all,imx8mm_ddr_write.all
Segmentation fault
While the same works without issue for a single metric.
The logic in metricgroup__ad
> -Original Message-
> From: John Garry
> Sent: 2021年1月19日 18:04
> To: pet...@infradead.org; mi...@redhat.com; a...@kernel.org;
> mark.rutl...@arm.com; alexander.shish...@linux.intel.com;
> jo...@redhat.com; namhy...@kernel.org; irog...@google.com;
> kj...@linux.ibm.com
> Cc: linux-kernel
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