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
......@@ -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"
......
......@@ -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, $(init-y))
......
......@@ -95,6 +95,8 @@ unsigned long profile_pc(struct pt_regs *regs)
return pc;
}
EXPORT_SYMBOL(profile_pc);
__volatile__ unsigned int *master_l10_counter;
__volatile__ unsigned int *master_l10_limit;
......
config PROFILING
bool "Profiling support (EXPERIMENTAL)"
help
Say Y here to enable the extended profiling support mechanisms used
by profilers such as OProfile.
config OPROFILE
tristate "OProfile system profiling (EXPERIMENTAL)"
depends on PROFILING
help
OProfile is a profiling system capable of profiling the
whole system, include the kernel, kernel modules, libraries,
and applications.
If unsure, say N.
obj-$(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
/**
* @file init.c
*
* @remark Copyright 2002 OProfile authors
* @remark Read the file COPYING
*
* @author John Levon <levon@movementarian.org>
*/
#include <linux/kernel.h>
#include <linux/oprofile.h>
#include <linux/errno.h>
#include <linux/init.h>
int __init oprofile_arch_init(struct oprofile_operations * ops)
{
return -ENODEV;
}
void oprofile_arch_exit(void)
{
}
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