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authorMarc Zyngier <maz@kernel.org>2022-02-08 18:56:04 +0000
committerWill Deacon <will@kernel.org>2022-03-08 13:32:48 +0000
commita639027a1be1d68437e1c2cac6ed16306c84ab3c (patch)
treeb10a445d69819b6afe8a4d91fe4b4afc5377d1f5 /drivers/perf/Kconfig
parent1280f12f56a15abde23503ba876343e5f201c9c2 (diff)
downloadlinux-a639027a1be1d68437e1c2cac6ed16306c84ab3c.tar.bz2
drivers/perf: Add Apple icestorm/firestorm CPU PMU driver
Add a new, weird and wonderful driver for the equally weird Apple PMU HW. Although the PMU itself is functional, we don't know much about the events yet, so this can be considered as yet another random number generator... Nonetheless, it can reliably count at least cycles and instructions in the usually wonky big-little way. For anything else, it of course supports raw event numbers. Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/perf/Kconfig')
-rw-r--r--drivers/perf/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig
index e1a0c44bc686..d4fa0dabb05f 100644
--- a/drivers/perf/Kconfig
+++ b/drivers/perf/Kconfig
@@ -146,6 +146,13 @@ config MARVELL_CN10K_TAD_PMU
Provides support for Last-Level cache Tag-and-data Units (LLC-TAD)
performance monitors on CN10K family silicons.
+config APPLE_M1_CPU_PMU
+ bool "Apple M1 CPU PMU support"
+ depends on ARM_PMU && ARCH_APPLE
+ help
+ Provides support for the non-architectural CPU PMUs present on
+ the Apple M1 SoCs and derivatives.
+
source "drivers/perf/hisilicon/Kconfig"
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