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authorJohn Williams <john.williams@petalogix.com>2009-11-24 20:27:54 +1000
committerMichal Simek <monstr@monstr.eu>2009-12-14 08:45:07 +0100
commit3540ce8238c2d29a2a20a1876575c0064d0da23e (patch)
tree7fc4eee9652b894fdb454eb2572d747da5944b85 /arch
parent33d9ff5985ff015cbaaef85285d19fe580487cf3 (diff)
microblaze: Core oprofile configs and hooks
Microblaze uses timer interrupt mode. Microblaze don't have any performance counter that's why we use just simple implementation. Signed-off-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch')
-rw-r--r--arch/microblaze/Kconfig2
-rw-r--r--arch/microblaze/Makefile2
-rw-r--r--arch/microblaze/oprofile/Makefile13
-rw-r--r--arch/microblaze/oprofile/microblaze_oprofile.c22
4 files changed, 39 insertions, 0 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index e297802b832..165cf06b9b0 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -13,6 +13,8 @@ config MICROBLAZE
select HAVE_FTRACE_MCOUNT_RECORD
select USB_ARCH_HAS_EHCI
select ARCH_WANT_OPTIONAL_GPIOLIB
+ select HAVE_OPROFILE
+ select TRACING_SUPPORT
config SWAP
def_bool n
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 34187354304..d2d6cfcb1a3 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -51,6 +51,8 @@ core-y += arch/microblaze/kernel/
core-y += arch/microblaze/mm/
core-y += arch/microblaze/platform/
+drivers-$(CONFIG_OPROFILE) += arch/microblaze/oprofile/
+
boot := arch/microblaze/boot
# Are we making a simpleImage.<boardname> target? If so, crack out the boardname
diff --git a/arch/microblaze/oprofile/Makefile b/arch/microblaze/oprofile/Makefile
new file mode 100644
index 00000000000..0d0348c8af9
--- /dev/null
+++ b/arch/microblaze/oprofile/Makefile
@@ -0,0 +1,13 @@
+#
+# arch/microblaze/oprofile/Makefile
+#
+
+obj-$(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) microblaze_oprofile.o
diff --git a/arch/microblaze/oprofile/microblaze_oprofile.c b/arch/microblaze/oprofile/microblaze_oprofile.c
new file mode 100644
index 00000000000..def17e59888
--- /dev/null
+++ b/arch/microblaze/oprofile/microblaze_oprofile.c
@@ -0,0 +1,22 @@
+/*
+ * Microblaze oprofile code
+ *
+ * Copyright (C) 2009 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2009 PetaLogix
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/oprofile.h>
+#include <linux/init.h>
+
+int __init oprofile_arch_init(struct oprofile_operations *ops)
+{
+ return -1;
+}
+
+void oprofile_arch_exit(void)
+{
+}