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authorBrian Rogan <bcr6@cornell.edu>2006-03-27 11:57:01 +1100
committerPaul Mackerras <paulus@samba.org>2006-03-29 13:44:16 +1100
commit6c6bd754bf43d59756f094de144ecac239629dda (patch)
treeb6cf2a7a3f133d24d22c63ba7bb8f9ebb02a8bab /arch/powerpc/oprofile/common.c
parentb848e0a07dd5a874821bb587bb724fac4aa45bad (diff)
downloadlinaro-lsk-6c6bd754bf43d59756f094de144ecac239629dda.tar.gz
[PATCH] powerpc: Add oprofile calltrace support
Add oprofile calltrace support to powerpc. Disable spinlock backtracing now we can use calltrace info. (Updated to work on both 32bit and 64bit by me). Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/oprofile/common.c')
-rw-r--r--arch/powerpc/oprofile/common.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c
index cc2535be3a7..2b9143b0f6b 100644
--- a/arch/powerpc/oprofile/common.c
+++ b/arch/powerpc/oprofile/common.c
@@ -126,8 +126,7 @@ static int op_powerpc_create_files(struct super_block *sb, struct dentry *root)
sys.enable_kernel = 1;
sys.enable_user = 1;
#ifdef CONFIG_PPC64
- /* Turn on backtracing through spinlocks by default */
- sys.backtrace_spinlocks = 1;
+ sys.backtrace_spinlocks = 0;
#endif
return 0;
@@ -168,6 +167,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
ops->shutdown = op_powerpc_shutdown;
ops->start = op_powerpc_start;
ops->stop = op_powerpc_stop;
+ ops->backtrace = op_powerpc_backtrace;
printk(KERN_INFO "oprofile: using %s performance monitoring.\n",
ops->cpu_type);