perf_counter: Introduce struct for sample data
For easy extension of the sample data, put it in a structure.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/powerpc/kernel/perf_counter.c b/arch/powerpc/kernel/perf_counter.c
index 4786ad9..5e0bf399 100644
--- a/arch/powerpc/kernel/perf_counter.c
+++ b/arch/powerpc/kernel/perf_counter.c
@@ -1001,7 +1001,11 @@
* Finally record data if requested.
*/
if (record) {
- addr = 0;
+ struct perf_sample_data data = {
+ .regs = regs,
+ .addr = 0,
+ };
+
if (counter->attr.sample_type & PERF_SAMPLE_ADDR) {
/*
* The user wants a data address recorded.
@@ -1016,9 +1020,9 @@
sdsync = (ppmu->flags & PPMU_ALT_SIPR) ?
POWER6_MMCRA_SDSYNC : MMCRA_SDSYNC;
if (!(mmcra & MMCRA_SAMPLE_ENABLE) || (mmcra & sdsync))
- addr = mfspr(SPRN_SDAR);
+ data.addr = mfspr(SPRN_SDAR);
}
- if (perf_counter_overflow(counter, nmi, regs, addr)) {
+ if (perf_counter_overflow(counter, nmi, &data)) {
/*
* Interrupts are coming too fast - throttle them
* by setting the counter to 0, so it will be