Indeed, many thanks Robin.
Using this, values sound better.
export OMP_NUM_THREADS=2
sudo --preserve-env ./perf stat -a \
-e armv7_cortex_a7/config=0x11,name=a7_cycles/ \
-e armv7_cortex_a15/config=0x11,name=a15_cycles/ \
-e armv7_cortex_a7/config=0x19,name=a7_bus/ \
-e
On 2019-04-19 6:53 pm, Willy Wolff wrote:
Hi,
This patch can be dropped, as it needs more work.
In fact, the interrupts seems to be wrong. The interrupts suggested by
Anand Moon gave the same following results.
export CCI_DEV=CCI_400
export OMP_NUM_THREADS=2
sudo --preserve-env ./perf stat -a
Hi,
This patch can be dropped, as it needs more work.
In fact, the interrupts seems to be wrong. The interrupts suggested by
Anand Moon gave the same following results.
export CCI_DEV=CCI_400
export OMP_NUM_THREADS=2
sudo --preserve-env ./perf stat -a \
-e
On Wed, 17 Apr 2019 at 06:26, Anand Moon wrote:
>
> Hi Krzysztof,
>
> On Tue, 16 Apr 2019 at 15:49, Krzysztof Kozlowski wrote:
> >
> > On Mon, 15 Apr 2019 at 14:24, Anand Moon wrote:
> > > Cache Coherent Interface (CCI) among Cortex-A15 and Cortex-A7, G2D, G3D
> > > and SSS
> > >
> > > Level 0
Hi Krzysztof,
On Tue, 16 Apr 2019 at 15:49, Krzysztof Kozlowski wrote:
>
> On Mon, 15 Apr 2019 at 14:24, Anand Moon wrote:
> > Cache Coherent Interface (CCI) among Cortex-A15 and Cortex-A7, G2D, G3D and
> > SSS
> >
> > Level 0 > CPU blocks such as Cortex-A15 (CA15), Cortex-A7 (CA7) are
> >
On Mon, 15 Apr 2019 at 14:24, Anand Moon wrote:
> Cache Coherent Interface (CCI) among Cortex-A15 and Cortex-A7, G2D, G3D and
> SSS
>
> Level 0 > CPU blocks such as Cortex-A15 (CA15), Cortex-A7 (CA7) are
> joined as the member of Level 0 CCI bus
>
> Level 1 > Display engine block (DISP) and 2D
Hi Willy,
On Fri, 12 Apr 2019 at 22:55, Willy Wolff wrote:
>
> Add device tree entries for PMU of ARM CCI-400.
>
> $ sudo ./perf stat -a -C 0 -e CCI_400/config=0xff,name=cycles/ sleep 1
>
> Performance counter stats for 'system wide':
>
>420,303,619 cycles
>
>1.019058775
Add device tree entries for PMU of ARM CCI-400.
$ sudo ./perf stat -a -C 0 -e CCI_400/config=0xff,name=cycles/ sleep 1
Performance counter stats for 'system wide':
420,303,619 cycles
1.019058775 seconds time elapsed
Tested on Odroid-xu3 and 4.
Signed-off-by: Willy Wolff
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