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Subject[PATCH 2/2] perf: Enable function tracing for perf core
Date
From: Andi Kleen <ak@linux.intel.com>

According to Steven R. there is no reason left to not support
function tracing for the perf core. This makes it easier to debug
perf.

Don't remove -pg for the x86 and generic perf core.

Cc: rostedt@goodmis.org
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
arch/x86/kernel/cpu/Makefile | 1 -
kernel/events/Makefile | 4 ----
2 files changed, 0 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index d30a6a9..6a16725 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -5,7 +5,6 @@
# Don't trace early stages of a secondary CPU boot
ifdef CONFIG_FUNCTION_TRACER
CFLAGS_REMOVE_common.o = -pg
-CFLAGS_REMOVE_perf_event.o = -pg
endif

# Make sure load_percpu_segment has no stackprotector
diff --git a/kernel/events/Makefile b/kernel/events/Makefile
index 103f5d1..a630994 100644
--- a/kernel/events/Makefile
+++ b/kernel/events/Makefile
@@ -1,7 +1,3 @@
-ifdef CONFIG_FUNCTION_TRACER
-CFLAGS_REMOVE_core.o = -pg
-endif
-
obj-y := core.o ring_buffer.o callchain.o

obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
--
1.7.7.6


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