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linux: automatically set CONFIG_PERF_EVENTS when perf is enabled

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Perf profiling cannot be used if CONFIG_PERF_EVENTS is not enabled in the
kernel configuration. Similar to other tools, like ktap, we can enable the
right options automatically.

Signed-off-by: Jan Heylen <jan.heylen@nokia.com>
Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 63d76c6f2f)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Jan Heylen
2018-07-04 09:07:35 +02:00
committed by Peter Korsgaard
parent 2f359ca440
commit bbf5aaa6d9
2 changed files with 7 additions and 3 deletions
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2
linux/linux.mk
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@@ -292,6 +292,8 @@ define LINUX_KCONFIG_FIXUP_CMDS
$(call KCONFIG_ENABLE_OPT,CONFIG_ENABLE_DEFAULT_TRACERS,$(@D)/.config)
$(call KCONFIG_ENABLE_OPT,CONFIG_PERF_EVENTS,$(@D)/.config)
$(call KCONFIG_ENABLE_OPT,CONFIG_FUNCTION_TRACER,$(@D)/.config))
$(if $(BR2_PACKAGE_LINUX_TOOLS_PERF),
$(call KCONFIG_ENABLE_OPT,CONFIG_PERF_EVENTS,$(@D)/.config))
$(if $(BR2_PACKAGE_SYSTEMD),
$(call KCONFIG_ENABLE_OPT,CONFIG_CGROUPS,$(@D)/.config)
$(call KCONFIG_ENABLE_OPT,CONFIG_INOTIFY_USER,$(@D)/.config)