mbox series

[V2,0/2] perf/imx_ddr: Add sysfs identifier file

Message ID 20201130114202.26057-1-qiangqing.zhang@nxp.com
Headers show
Series perf/imx_ddr: Add sysfs identifier file | expand

Message

Joakim Zhang Nov. 30, 2020, 11:42 a.m. UTC 
Add sysfs identifier file for imx ddr perf.

ChangeLogs:
V1->V2:
	* don't show identifier file if not set.

Joakim Zhang (2):
  bindings: perf: imx-ddr: add compatible string
  perf/imx_ddr: Add system PMU identifier for userspace

 .../devicetree/bindings/perf/fsl-imx-ddr.yaml |  3 +
 drivers/perf/fsl_imx8_ddr_perf.c              | 55 +++++++++++++++++++
 2 files changed, 58 insertions(+)

Comments

John Garry Nov. 30, 2020, 11:46 a.m. UTC | #1 
On 30/11/2020 11:42, Joakim Zhang wrote:
> The DDR Perf for i.MX8 is a system PMU whose AXI ID would different from
> SoC to SoC. Need expose system PMU identifier for userspace which refer
> to/sys/bus/event_source/devices/<PMU DEVICE>/identifier.
> 
> Signed-off-by: Joakim Zhang<qiangqing.zhang@nxp.com>

Reviewed-by: John Garry <john.garry@huawei.com>
Will Deacon Dec. 9, 2020, 2:25 p.m. UTC | #2 
On Mon, 30 Nov 2020 19:42:00 +0800, Joakim Zhang wrote:
> Add sysfs identifier file for imx ddr perf.
> 
> ChangeLogs:
> V1->V2:
> 	* don't show identifier file if not set.
> 
> Joakim Zhang (2):
>   bindings: perf: imx-ddr: add compatible string
>   perf/imx_ddr: Add system PMU identifier for userspace
> 
> [...]

Applied to will (for-next/perf), thanks!

[1/2] bindings: perf: imx-ddr: add compatible string
      https://git.kernel.org/will/c/d0c00977a16a
[2/2] perf/imx_ddr: Add system PMU identifier for userspace
      https://git.kernel.org/will/c/881b0520504a

Cheers,