forked from luck/tmp_suning_uos_patched
21bdbb7102
Adds perf events support for L2 cache PMU. The L2 cache PMU driver is named 'l2cache_0' and can be used with perf events to profile L2 events such as cache hits and misses on Qualcomm Technologies processors. Reviewed-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Neil Leeder <nleeder@codeaurora.org> [will: minimise nesting in l2_cache_associate_cpu_with_cluster] [will: use kstrtoul for unsigned long, remove redunant .owner setting] Signed-off-by: Will Deacon <will.deacon@arm.com>
32 lines
782 B
Plaintext
32 lines
782 B
Plaintext
#
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# Performance Monitor Drivers
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#
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menu "Performance monitor support"
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config ARM_PMU
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depends on PERF_EVENTS && (ARM || ARM64)
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bool "ARM PMU framework"
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default y
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help
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Say y if you want to use CPU performance monitors on ARM-based
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systems.
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config QCOM_L2_PMU
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bool "Qualcomm Technologies L2-cache PMU"
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depends on ARCH_QCOM && ARM64 && PERF_EVENTS && ACPI
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help
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Provides support for the L2 cache performance monitor unit (PMU)
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in Qualcomm Technologies processors.
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Adds the L2 cache PMU into the perf events subsystem for
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monitoring L2 cache events.
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config XGENE_PMU
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depends on PERF_EVENTS && ARCH_XGENE
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bool "APM X-Gene SoC PMU"
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default n
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help
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Say y if you want to use APM X-Gene SoC performance monitors.
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endmenu
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