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authorFlorian Fainelli <f.fainelli@gmail.com>2017-05-22 16:50:47 -0700
committerFlorian Fainelli <f.fainelli@gmail.com>2017-06-05 12:30:05 -0700
commitf50079985c97404d62a208f2937ad6afd3f07f0f (patch)
treed91253b040979858f828a69610aa7cd52bac87ae /target/toolchain
parent5229c453630c0b023c3d65ef6005adbe48062bbb (diff)
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perf: Depend on KERNEL_PERF_EVENTS
The kernel needs to have PERF_EVENTS built otherwise we will run into the following: root@(none):/# perf top perf_event_open(..., PERF_FLAG_FD_CLOEXEC) failed with unexpected error 89 (Function not implemented) perf_event_open(..., 0) failed unexpectedly with error 89 (Function not implemented) Error: The sys_perf_event_open() syscall returned with 89 (Function not implemented) for event (cycles). /bin/dmesg may provide additional information. No CONFIG_PERF_EVENTS=y kernel support configured? Make sure this functional dependency is captured. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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