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authorBrian Rogan <bcr6@cornell.edu>2006-03-28 04:56:20 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-28 12:16:02 -0500
commit273577165cd206d2d6689ee4b18aa13de1ec4bde (patch)
treef5dfaed2e193bb65a00ef551f02ace8726cc461c /drivers
parentf83ca9fe3ee390755f18b4a7780c25ce593b484a (diff)
[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 'drivers')
-rw-r--r--drivers/oprofile/cpu_buffer.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index 330d3869b41e..fc4bc9b94c74 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -217,11 +217,10 @@ static void oprofile_end_trace(struct oprofile_cpu_buffer * cpu_buf)
217 cpu_buf->tracing = 0; 217 cpu_buf->tracing = 0;
218} 218}
219 219
220void oprofile_add_sample(struct pt_regs * const regs, unsigned long event) 220void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
221 unsigned long event, int is_kernel)
221{ 222{
222 struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()]; 223 struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()];
223 unsigned long pc = profile_pc(regs);
224 int is_kernel = !user_mode(regs);
225 224
226 if (!backtrace_depth) { 225 if (!backtrace_depth) {
227 log_sample(cpu_buf, pc, is_kernel, event); 226 log_sample(cpu_buf, pc, is_kernel, event);
@@ -238,6 +237,14 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
238 oprofile_end_trace(cpu_buf); 237 oprofile_end_trace(cpu_buf);
239} 238}
240 239
240void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
241{
242 int is_kernel = !user_mode(regs);
243 unsigned long pc = profile_pc(regs);
244
245 oprofile_add_ext_sample(pc, regs, event, is_kernel);
246}
247
241void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event) 248void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event)
242{ 249{
243 struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()]; 250 struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()];