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CKI KWF Bot 7dca812243 Merge: perf/arm_pmu: Skip PMCCNTR_EL0 on NVIDIA Olympus 
MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-10/-/merge_requests/3246

JIRA: https://issues.redhat.com/browse/RHEL-176084

NVIDIA Olympus has SMT cores that share `PMCCNTR_EL0`. This results in the counter incrementing even during a WFI/WFE if the sibling is not idle which is unexpected. This patch avoids using `PMCCNTR_EL0` on the platform.

Signed-off-by: Charles Mirabile <cmirabil@redhat.com>

Approved-by: Mark Langsdorf <mlangsdo@redhat.com>
Approved-by: Mark Salter <msalter@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: CKI GitLab Kmaint Pipeline Bot <26919896-cki-kmaint-pipeline-bot@users.noreply.gitlab.com>
2026-08-14 18:59:03 +00:00
..
amlogic
perf/amlogic: Replace smp_processor_id() with raw_smp_processor_id() in meson_ddr_pmu_create()
2025-11-07 11:16:12 +01:00
arm_cspmu
perf/arm_cspmu: nvidia: Add Tegra410 PCIE-TGT PMU
2026-05-05 17:01:49 -04:00
hisilicon
…
alibaba_uncore_drw_pmu.c
…
apple_m1_cpu_pmu.c
perf: apple_m1: Don't disable counter in m1_pmu_enable_event()
2026-01-26 15:18:47 -05:00
arm_brbe.c
perf: arm_pmuv3: Add support for the Branch Record Buffer Extension (BRBE)
2025-11-07 11:16:28 +01:00
arm_brbe.h
perf: arm_pmuv3: Add support for the Branch Record Buffer Extension (BRBE)
2025-11-07 11:16:28 +01:00
arm_dmc620_pmu.c
…
arm_dsu_pmu.c
…
arm_pmu_acpi.c
…
arm_pmu_platform.c
…
arm_pmu.c
perf/arm_pmu: Skip PMCCNTR_EL0 on NVIDIA Olympus
2026-08-06 12:53:17 -04:00
arm_pmuv3.c
perf/arm_pmu: Skip PMCCNTR_EL0 on NVIDIA Olympus
2026-08-06 12:53:17 -04:00
arm_smmuv3_pmu.c
…
arm_spe_pmu.c
perf: arm_spe: Add support for filtering on data source
2026-06-24 14:56:51 -04:00
arm_v6_pmu.c
…
arm_v7_pmu.c
perf: arm_v7_pmu: Don't disable counter in (armv7|krait_|scorpion_)pmu_enable_event()
2026-01-26 15:19:22 -05:00
arm_xscale_pmu.c
…
arm-cci.c
…
arm-ccn.c
drivers: perf: use us_to_ktime() where appropriate
2025-11-07 11:16:29 +01:00
arm-cmn.c
perf/arm-cmn: Support CMN S3 r2
2026-08-10 17:36:04 -05:00
arm-ni.c
perf/arm-ni: Support sharing IRQs within an NI instance
2025-11-07 11:16:28 +01:00
cxl_pmu.c
perf/cxlpmu: Remove unintended newline from IRQ name format string
2025-11-07 11:16:28 +01:00
dwc_pcie_pmu.c
perf/dwc_pcie: Fix use of uninitialized variable
2025-11-07 11:16:43 +01:00
fsl_imx8_ddr_perf.c
…
fsl_imx9_ddr_perf.c
perf: imx_perf: add support for i.MX94 platform
2025-11-07 11:16:29 +01:00
fujitsu_uncore_pmu.c
perf: Fujitsu: Add the Uncore PMU driver
2026-01-06 09:11:27 -05:00
Kconfig
perf: add NVIDIA Tegra410 C2C PMU
2026-05-05 17:01:49 -04:00
Makefile
perf: add NVIDIA Tegra410 C2C PMU
2026-05-05 17:01:49 -04:00
marvell_cn10k_ddr_pmu.c
…
marvell_cn10k_tad_pmu.c
…
nvidia_t410_c2c_pmu.c
perf: add NVIDIA Tegra410 C2C PMU
2026-05-05 17:01:49 -04:00
nvidia_t410_cmem_latency_pmu.c
perf: add NVIDIA Tegra410 CPU Memory Latency PMU
2026-05-05 17:01:49 -04:00
qcom_l2_pmu.c
…
qcom_l3_pmu.c
…
riscv_pmu_legacy.c
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riscv_pmu_sbi.c
treewide: const qualify ctl_tables where applicable
2026-03-08 12:39:41 -04:00
riscv_pmu.c
…
starfive_starlink_pmu.c
…
thunderx2_pmu.c
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xgene_pmu.c
…