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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>
This commit is contained in:
Florian Fainelli 2017-05-22 16:50:47 -07:00
parent 5229c45363
commit f50079985c
1 changed files with 1 additions and 1 deletions
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2
package/devel/perf/Makefile
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@ -26,7 +26,7 @@ include $(INCLUDE_DIR)/package.mk
define Package/perf
SECTION:=devel
CATEGORY:=Development
DEPENDS:= +libelf1 +libdw +libpthread +librt +objdump @!LINUX_3_18 @!IN_SDK @!TARGET_arc770
DEPENDS:= +libelf1 +libdw +libpthread +librt +objdump @!LINUX_3_18 @!IN_SDK @!TARGET_arc770 @KERNEL_PERF_EVENTS
TITLE:=Linux performance monitoring tool
VERSION:=$(LINUX_VERSION)-$(PKG_RELEASE)
URL:=http://www.kernel.org