[PATCH 2/4] perf_events: Pass the event to perf_instruction_pointer

From: Andi Kleen
Date: Thu Sep 15 2011 - 18:57:27 EST


From: Andi Kleen <ak@xxxxxxxxxxxxxxx>

Used in next patch.

Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
---
arch/powerpc/include/asm/perf_event_server.h | 3 ++-
arch/powerpc/kernel/perf_event.c | 3 ++-
arch/x86/include/asm/perf_event.h | 3 ++-
arch/x86/kernel/cpu/perf_event.c | 3 ++-
include/linux/perf_event.h | 2 +-
kernel/events/core.c | 2 +-
6 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h
index 8f1df12..ea82ec3 100644
--- a/arch/powerpc/include/asm/perf_event_server.h
+++ b/arch/powerpc/include/asm/perf_event_server.h
@@ -59,7 +59,8 @@ extern int register_power_pmu(struct power_pmu *);

struct pt_regs;
extern unsigned long perf_misc_flags(struct pt_regs *regs);
-extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
+extern unsigned long perf_instruction_pointer(struct pt_regs *regs,
+ struct perf_event *event);

#define PERF_EVENT_INDEX_OFFSET 1

diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c
index 10a140f..9067e0a 100644
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -1281,7 +1281,8 @@ unsigned long perf_misc_flags(struct pt_regs *regs)
* Called from generic code to get the instruction pointer
* for an event_id.
*/
-unsigned long perf_instruction_pointer(struct pt_regs *regs)
+unsigned long perf_instruction_pointer(struct pt_regs *regs,
+ struct perf_event *event)
{
unsigned long ip;

diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 094fb30..790479f 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -137,7 +137,8 @@ extern void perf_events_lapic_init(void);
#define PERF_EFLAGS_EXACT (1UL << 3)

struct pt_regs;
-extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
+extern unsigned long perf_instruction_pointer(struct pt_regs *regs,
+ struct perf_event *event);
extern unsigned long perf_misc_flags(struct pt_regs *regs);
#define perf_misc_flags(regs) perf_misc_flags(regs)

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index cfa62ec..373a614 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1923,7 +1923,8 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
}
}

-unsigned long perf_instruction_pointer(struct pt_regs *regs)
+unsigned long perf_instruction_pointer(struct pt_regs *regs,
+ struct perf_event *event)
{
unsigned long ip;

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index c816075..f8b93ec 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1129,7 +1129,7 @@ extern void perf_bp_event(struct perf_event *event, void *data);
#ifndef perf_misc_flags
# define perf_misc_flags(regs) \
(user_mode(regs) ? PERF_RECORD_MISC_USER : PERF_RECORD_MISC_KERNEL)
-# define perf_instruction_pointer(regs) instruction_pointer(regs)
+# define perf_instruction_pointer(regs,event) instruction_pointer(regs)
#endif

extern int perf_output_begin(struct perf_output_handle *handle,
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0f85778..7f5c966 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4004,7 +4004,7 @@ void perf_prepare_sample(struct perf_event_header *header,
__perf_event_header__init_id(header, data, event);

if (sample_type & PERF_SAMPLE_IP)
- data->ip = perf_instruction_pointer(regs);
+ data->ip = perf_instruction_pointer(regs, event);

if (sample_type & PERF_SAMPLE_CALLCHAIN) {
int size = 1;
--
1.7.4.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/