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csky: Add perf support for C-SKY

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This adds basic perf support for all C-SKY CPUs. Hardware events are
only supported by 807/810/860.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
This commit is contained in:
Guo Ren
2019-01-02 22:09:25 +08:00
parent 6256734f91
commit f50fd2d852
4 changed files with 1054 additions and 1 deletions
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1
arch/csky/kernel/Makefile
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@@ -8,6 +8,7 @@ obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_CSKY_PMU_V1) += perf_event.o
ifdef CONFIG_FUNCTION_TRACER
CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)

1031
arch/csky/kernel/perf_event.c Normal file
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