This patch adds profiling support to the sparc architecture. It is a copy of the
sparc64 implementation.
Martin
Signed-off-by: Martin Habets <errandir_news@xxxxxxxxxxxxxxxxx>
---
--- /dev/null 2005-04-11 20:54:07.000000000 +0100
+++ 2.6.19-rc1-oprof/arch/sparc/oprofile/Kconfig 2006-10-06 00:36:47.000000000 +0100
@@ -0,0 +1,17 @@
+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.
+
--- /dev/null 2005-04-11 20:54:07.000000000 +0100
+++ 2.6.19-rc1-oprof/arch/sparc/oprofile/Makefile 2006-10-06 00:36:47.000000000 +0100
@@ -0,0 +1,9 @@
+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 := $(DRIVER_OBJS) init.o
--- /dev/null 2005-04-11 20:54:07.000000000 +0100
+++ 2.6.19-rc1-oprof/arch/sparc/oprofile/init.c 2006-10-06 00:36:47.000000000 +0100
@@ -0,0 +1,23 @@
+/**
+ * @file init.c
+ *
+ * @remark Copyright 2002 OProfile authors
+ * @remark Read the file COPYING
+ *
+ * @author John Levon <levon@xxxxxxxxxxxxxxxxx>
+ */
+
+#include <linux/kernel.h>
+#include <linux/oprofile.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+
+int __init oprofile_arch_init(struct oprofile_operations * ops)
+{
+ return -ENODEV;
+}
+
+
+void oprofile_arch_exit(void)
+{
+}
--- 2.6.19-rc1-oprof/arch/sparc/Kconfig.orig 2006-10-06 00:41:17.000000000 +0100
+++ 2.6.19-rc1-oprof/arch/sparc/Kconfig 2006-10-06 00:42:21.000000000 +0100
@@ -289,6 +289,13 @@
source "fs/Kconfig"
+menu "Instrumentation Support"
+ depends on EXPERIMENTAL
+
+source "arch/sparc/oprofile/Kconfig"
+
+endmenu
+
source "arch/sparc/Kconfig.debug"
source "security/Kconfig"
--- 2.6.19-rc1-oprof/arch/sparc/Makefile.orig 2006-10-06 00:44:02.000000000 +0100
+++ 2.6.19-rc1-oprof/arch/sparc/Makefile 2006-10-06 00:45:25.000000000 +0100
@@ -30,6 +30,8 @@
core-y += arch/sparc/kernel/ arch/sparc/mm/ arch/sparc/math-emu/
libs-y += arch/sparc/prom/ arch/sparc/lib/
+drivers-$(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))
--- 2.6.19-rc1-oprof/arch/sparc/kernel/time.c.orig 2006-10-06 02:53:06.000000000 +0100
+++ 2.6.19-rc1-oprof/arch/sparc/kernel/time.c 2006-10-06 20:53:19.000000000 +0100
@@ -94,6 +94,8 @@
return pc;
}
+EXPORT_SYMBOL(profile_pc);
+
__volatile__ unsigned int *master_l10_counter;
__volatile__ unsigned int *master_l10_limit;
-
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