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authorBrian Rogan <bcr6@cornell.edu>2006-03-28 01:56:20 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-28 09:16:02 -0800
commit273577165cd206d2d6689ee4b18aa13de1ec4bde (patch)
treef5dfaed2e193bb65a00ef551f02ace8726cc461c /include/linux/oprofile.h
parentf83ca9fe3ee390755f18b4a7780c25ce593b484a (diff)
downloadlinux-linaro-stable-273577165cd206d2d6689ee4b18aa13de1ec4bde.tar.gz
[PATCH] Add oprofile_add_ext_sample
On ppc64 we look at a profiling register to work out the sample address and if it was in userspace or kernel. The backtrace interface oprofile_add_sample does not allow this. Create oprofile_add_ext_sample and make oprofile_add_sample use it too. Signed-off-by: Anton Blanchard <anton@samba.org> Cc: Philippe Elie <phil.el@wanadoo.fr> Cc: John Levon <levon@movementarian.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/oprofile.h')
-rw-r--r--include/linux/oprofile.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 559c4c38a9c7..b5b3197dfd4f 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -61,6 +61,16 @@ void oprofile_arch_exit(void);
*/
void oprofile_add_sample(struct pt_regs * const regs, unsigned long event);
+/**
+ * Add an extended sample. Use this when the PC is not from the regs, and
+ * we cannot determine if we're in kernel mode from the regs.
+ *
+ * This function does perform a backtrace.
+ *
+ */
+void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
+ unsigned long event, int is_kernel);
+
/* Use this instead when the PC value is not from the regs. Doesn't
* backtrace. */
void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event);