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authorJohn Williams <john.williams@petalogix.com>2009-11-24 05:27:54 -0500
committerMichal Simek <monstr@monstr.eu>2009-12-14 02:45:07 -0500
commit3540ce8238c2d29a2a20a1876575c0064d0da23e (patch)
tree7fc4eee9652b894fdb454eb2572d747da5944b85 /arch/microblaze
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/microblaze')
-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 e297802b8321..165cf06b9b0e 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -13,6 +13,8 @@ config MICROBLAZE
13 select HAVE_FTRACE_MCOUNT_RECORD 13 select HAVE_FTRACE_MCOUNT_RECORD
14 select USB_ARCH_HAS_EHCI 14 select USB_ARCH_HAS_EHCI
15 select ARCH_WANT_OPTIONAL_GPIOLIB 15 select ARCH_WANT_OPTIONAL_GPIOLIB
16 select HAVE_OPROFILE
17 select TRACING_SUPPORT
16 18
17config SWAP 19config SWAP
18 def_bool n 20 def_bool n
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 34187354304a..d2d6cfcb1a30 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -51,6 +51,8 @@ core-y += arch/microblaze/kernel/
51core-y += arch/microblaze/mm/ 51core-y += arch/microblaze/mm/
52core-y += arch/microblaze/platform/ 52core-y += arch/microblaze/platform/
53 53
54drivers-$(CONFIG_OPROFILE) += arch/microblaze/oprofile/
55
54boot := arch/microblaze/boot 56boot := arch/microblaze/boot
55 57
56# Are we making a simpleImage.<boardname> target? If so, crack out the boardname 58# Are we making a simpleImage.<boardname> target? If so, crack out the boardname
diff --git a/arch/microblaze/oprofile/Makefile b/arch/microblaze/oprofile/Makefile
new file mode 100644
index 000000000000..0d0348c8af97
--- /dev/null
+++ b/arch/microblaze/oprofile/Makefile
@@ -0,0 +1,13 @@
1#
2# arch/microblaze/oprofile/Makefile
3#
4
5obj-$(CONFIG_OPROFILE) += oprofile.o
6
7DRIVER_OBJS := $(addprefix ../../../drivers/oprofile/, \
8 oprof.o cpu_buffer.o buffer_sync.o \
9 event_buffer.o oprofile_files.o \
10 oprofilefs.o oprofile_stats.o \
11 timer_int.o )
12
13oprofile-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 000000000000..def17e59888e
--- /dev/null
+++ b/arch/microblaze/oprofile/microblaze_oprofile.c
@@ -0,0 +1,22 @@
1/*
2 * Microblaze oprofile code
3 *
4 * Copyright (C) 2009 Michal Simek <monstr@monstr.eu>
5 * Copyright (C) 2009 PetaLogix
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file "COPYING" in the main directory of this archive
9 * for more details.
10 */
11
12#include <linux/oprofile.h>
13#include <linux/init.h>
14
15int __init oprofile_arch_init(struct oprofile_operations *ops)
16{
17 return -1;
18}
19
20void oprofile_arch_exit(void)
21{
22}