ftrace: remove function tracing from spinlock debug
The debug functions in spin_lock debugging pollute the output of the function tracer. This patch adds the debug files in the lib director to those that should not be compiled with mcount tracing. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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1 changed files with 2 additions and 1 deletions
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@ -10,8 +10,9 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \
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ifdef CONFIG_FTRACE
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# Do not profile string.o, since it may be used in early boot or vdso
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# Also do not profile any debug utilities
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ORIG_CFLAGS := $(KBUILD_CFLAGS)
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KBUILD_CFLAGS = $(if $(subst string,,$(basename $(notdir $@))), \
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KBUILD_CFLAGS = $(if $(filter-out %debug debug% string%,$(basename $(notdir $@))), \
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$(ORIG_CFLAGS), \
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$(subst -pg,,$(ORIG_CFLAGS)))
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endif
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