2023-02-06 20:48:29

by Rob Herring (Arm)

Subject: [PATCH] perf: arm_spe: Print the version of SPE detected

There's up to 4 versions of SPE now. Let's add the version that's been
detected to the driver's informational print out.

Signed-off-by: Rob Herring <[email protected]>
---
drivers/perf/arm_spe_pmu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 573db4211acd..b9ba4c4fe5a2 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -1105,8 +1105,8 @@ static void __arm_spe_pmu_dev_probe(void *info)
}

dev_info(dev,
- "probed for CPUs %*pbl [max_record_sz %u, align %u, features 0x%llx]\n",
- cpumask_pr_args(&spe_pmu->supported_cpus),
+ "probed SPEv1.%d for CPUs %*pbl [max_record_sz %u, align %u, features 0x%llx]\n",
+ spe_pmu->pmsver - 1, cpumask_pr_args(&spe_pmu->supported_cpus),
spe_pmu->max_record_sz, spe_pmu->align, spe_pmu->features);

spe_pmu->features |= SPE_PMU_FEAT_DEV_PROBED;
--
2.39.1

2023-02-07 12:40:03

by Will Deacon

Subject: Re: [PATCH] perf: arm_spe: Print the version of SPE detected

On Mon, 6 Feb 2023 14:47:46 -0600, Rob Herring wrote:
> There's up to 4 versions of SPE now. Let's add the version that's been
> detected to the driver's informational print out.
>
>

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

[1/1] perf: arm_spe: Print the version of SPE detected
https://git.kernel.org/will/c/e8a709dc2a91

Cheers,
--
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev