Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ce37f400 authored by David Vrabel's avatar David Vrabel Committed by Ingo Molnar
Browse files

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: default avatarDavid 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: default avatarIngo Molnar <mingo@kernel.org>
parent 3f3a2064

arch/x86/kernel/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -9,7 +9,6 @@ CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE) 
ifdef CONFIG_FUNCTION_TRACER

# Do not profile debug and lowlevel utilities

CFLAGS_REMOVE_tsc.o = -pg

CFLAGS_REMOVE_rtc.o = -pg

CFLAGS_REMOVE_paravirt-spinlocks.o = -pg

CFLAGS_REMOVE_pvclock.o = -pg

CFLAGS_REMOVE_kvmclock.o = -pg

arch/x86/kernel/rtc.c

+0 −6
Original line number Diff line number Diff line
@@ -195,12 +195,6 @@ void read_persistent_clock(struct timespec *ts) 
	ts->tv_nsec = 0;

}



unsigned long long native_read_tsc(void)

{

	return __native_read_tsc();

}

EXPORT_SYMBOL(native_read_tsc);





static struct resource rtc_resources[] = {

	[0] = {

arch/x86/kernel/tsc.c

+6 −0
Original line number Diff line number Diff line
@@ -77,6 +77,12 @@ unsigned long long 
sched_clock(void) __attribute__((alias("native_sched_clock")));

#endif



unsigned long long native_read_tsc(void)

{

	return __native_read_tsc();

}

EXPORT_SYMBOL(native_read_tsc);



int check_tsc_unstable(void)

{

	return tsc_unstable;