x86: Allow tracing of functions in arch/x86/kernel/rtc.c
Move native_read_tsc() to tsc.c to allow profiling to be re-enabled for rtc.c. Signed-off-by: David Vrabel <david.vrabel@citrix.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1349698050-6560-1-git-send-email-david.vrabel@citrix.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -9,7 +9,6 @@ CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
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ifdef CONFIG_FUNCTION_TRACER
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# Do not profile debug and lowlevel utilities
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CFLAGS_REMOVE_tsc.o = -pg
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CFLAGS_REMOVE_rtc.o = -pg
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CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
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CFLAGS_REMOVE_pvclock.o = -pg
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CFLAGS_REMOVE_kvmclock.o = -pg
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@ -195,12 +195,6 @@ void read_persistent_clock(struct timespec *ts)
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ts->tv_nsec = 0;
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}
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unsigned long long native_read_tsc(void)
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{
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return __native_read_tsc();
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}
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EXPORT_SYMBOL(native_read_tsc);
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static struct resource rtc_resources[] = {
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[0] = {
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@ -77,6 +77,12 @@ unsigned long long
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sched_clock(void) __attribute__((alias("native_sched_clock")));
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#endif
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unsigned long long native_read_tsc(void)
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{
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return __native_read_tsc();
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}
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EXPORT_SYMBOL(native_read_tsc);
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int check_tsc_unstable(void)
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{
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return tsc_unstable;
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