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| author | Brian Rogan <bcr6@cornell.edu> | 2006-03-28 01:56:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-28 09:16:02 -0800 |
| commit | 273577165cd206d2d6689ee4b18aa13de1ec4bde (patch) | |
| tree | f5dfaed2e193bb65a00ef551f02ace8726cc461c /drivers/oprofile | |
| parent | f83ca9fe3ee390755f18b4a7780c25ce593b484a (diff) | |
| download | linux-273577165cd206d2d6689ee4b18aa13de1ec4bde.tar.gz linux-273577165cd206d2d6689ee4b18aa13de1ec4bde.tar.bz2 linux-273577165cd206d2d6689ee4b18aa13de1ec4bde.zip | |
[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/oprofile')
| -rw-r--r-- | drivers/oprofile/cpu_buffer.c | 13 |
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) cpu_buf->tracing = 0; } -void oprofile_add_sample(struct pt_regs * const regs, unsigned long event) +void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs, + unsigned long event, int is_kernel) { struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()]; - unsigned long pc = profile_pc(regs); - int is_kernel = !user_mode(regs); if (!backtrace_depth) { log_sample(cpu_buf, pc, is_kernel, event); @@ -238,6 +237,14 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event) oprofile_end_trace(cpu_buf); } +void oprofile_add_sample(struct pt_regs * const regs, unsigned long event) +{ + int is_kernel = !user_mode(regs); + unsigned long pc = profile_pc(regs); + + oprofile_add_ext_sample(pc, regs, event, is_kernel); +} + void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event) { struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()]; |