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
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 240ca56..82a23d4 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -1173,11 +1173,14 @@
*/
static int intel_pmu_handle_irq(struct pt_regs *regs)
{
+ struct perf_sample_data data;
struct cpu_hw_counters *cpuc;
- struct cpu_hw_counters;
int bit, cpu, loops;
u64 ack, status;
+ data.regs = regs;
+ data.addr = 0;
+
cpu = smp_processor_id();
cpuc = &per_cpu(cpu_hw_counters, cpu);
@@ -1210,7 +1213,7 @@
if (!intel_pmu_save_and_restart(counter))
continue;
- if (perf_counter_overflow(counter, 1, regs, 0))
+ if (perf_counter_overflow(counter, 1, &data))
intel_pmu_disable_counter(&counter->hw, bit);
}
@@ -1230,12 +1233,16 @@
static int amd_pmu_handle_irq(struct pt_regs *regs)
{
- int cpu, idx, handled = 0;
+ struct perf_sample_data data;
struct cpu_hw_counters *cpuc;
struct perf_counter *counter;
struct hw_perf_counter *hwc;
+ int cpu, idx, handled = 0;
u64 val;
+ data.regs = regs;
+ data.addr = 0;
+
cpu = smp_processor_id();
cpuc = &per_cpu(cpu_hw_counters, cpu);
@@ -1256,7 +1263,7 @@
if (!x86_perf_counter_set_period(counter, hwc, idx))
continue;
- if (perf_counter_overflow(counter, 1, regs, 0))
+ if (perf_counter_overflow(counter, 1, &data))
amd_pmu_disable_counter(hwc, idx);
}