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Commit 9550e59c authored by Martin Habets's avatar Martin Habets Committed by David S. Miller
Browse files

[SPARC]: Add sparc profiling support 



This patch adds profiling support to the sparc architecture. It is a
copy of the sparc64 implementation.

Signed-off-by: default avatarMartin Habets <errandir_news@mph.eclipse.co.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 872ec648

arch/sparc/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -289,6 +289,13 @@ endmenu 


source "fs/Kconfig"



menu "Instrumentation Support"

	depends on EXPERIMENTAL



source "arch/sparc/oprofile/Kconfig"



endmenu



source "arch/sparc/Kconfig.debug"



source "security/Kconfig"

arch/sparc/Makefile

+2 −0
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@@ -30,6 +30,8 @@ HEAD_Y := $(head-y) 
core-y += arch/sparc/kernel/ arch/sparc/mm/ arch/sparc/math-emu/

libs-y += arch/sparc/prom/ arch/sparc/lib/



drivers-$(CONFIG_OPROFILE)	+= arch/sparc/oprofile/



# Export what is needed by arch/sparc/boot/Makefile

# Renaming is done to avoid confusing pattern matching rules in 2.5.45 (multy-)

INIT_Y		:= $(patsubst %/, %/built-in.o, $(init-y))

arch/sparc/kernel/time.c

+2 −0
Original line number Diff line number Diff line
@@ -95,6 +95,8 @@ unsigned long profile_pc(struct pt_regs *regs) 
	return pc;

}



EXPORT_SYMBOL(profile_pc);



__volatile__ unsigned int *master_l10_counter;

__volatile__ unsigned int *master_l10_limit;

arch/sparc/oprofile/Kconfig

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config PROFILING

	bool "Profiling support (EXPERIMENTAL)"

	help

	  Say Y here to enable the extended profiling support mechanisms used

	  by profilers such as OProfile.

	  



config OPROFILE

	tristate "OProfile system profiling (EXPERIMENTAL)"

	depends on PROFILING

	help

	  OProfile is a profiling system capable of profiling the

	  whole system, include the kernel, kernel modules, libraries,

	  and applications.



	  If unsure, say N.

arch/sparc/oprofile/Makefile

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+9 −0
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obj-$(CONFIG_OPROFILE) += oprofile.o



DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \

		oprof.o cpu_buffer.o buffer_sync.o \

		event_buffer.o oprofile_files.o \

		oprofilefs.o oprofile_stats.o \

		timer_int.o )



oprofile-y				:= $(DRIVER_OBJS) init.o