perf_counter: Rename various fields

A few renames:

  s/irq_period/sample_period/
  s/irq_freq/sample_freq/
  s/PERF_RECORD_/PERF_SAMPLE_/
  s/record_type/sample_type/

And change both the new sample_type and read_format to u64.

Reported-by: Stephane Eranian <eranian@googlemail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 52 insertions, 52 deletions

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 978ecfcc7aaf..5ecd9981c035 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -1186,7 +1186,7 @@ static void perf_log_period(struct perf_counter *counter, u64 period);
 static void perf_adjust_freq(struct perf_counter_context *ctx)
 {
         struct perf_counter *counter;
-        u64 interrupts, irq_period;
+        u64 interrupts, sample_period;
         u64 events, period;
         s64 delta;
 
@@ -1204,23 +1204,23 @@ static void perf_adjust_freq(struct perf_counter_context *ctx)
                         interrupts = 2*sysctl_perf_counter_limit/HZ;
                 }
 
-                if (!counter->hw_event.freq || !counter->hw_event.irq_freq)
+                if (!counter->hw_event.freq || !counter->hw_event.sample_freq)
                         continue;
 
-                events = HZ * interrupts * counter->hw.irq_period;
-                period = div64_u64(events, counter->hw_event.irq_freq);
+                events = HZ * interrupts * counter->hw.sample_period;
+                period = div64_u64(events, counter->hw_event.sample_freq);
 
-                delta = (s64)(1 + period - counter->hw.irq_period);
+                delta = (s64)(1 + period - counter->hw.sample_period);
                 delta >>= 1;
 
-                irq_period = counter->hw.irq_period + delta;
+                sample_period = counter->hw.sample_period + delta;
 
-                if (!irq_period)
-                        irq_period = 1;
+                if (!sample_period)
+                        sample_period = 1;
 
-                perf_log_period(counter, irq_period);
+                perf_log_period(counter, sample_period);
 
-                counter->hw.irq_period = irq_period;
+                counter->hw.sample_period = sample_period;
         }
         spin_unlock(&ctx->lock);
 }
@@ -2297,7 +2297,7 @@ static void perf_counter_output(struct perf_counter *counter,
                                 int nmi, struct pt_regs *regs, u64 addr)
 {
         int ret;
-        u64 record_type = counter->hw_event.record_type;
+        u64 sample_type = counter->hw_event.sample_type;
         struct perf_output_handle handle;
         struct perf_event_header header;
         u64 ip;
@@ -2321,61 +2321,61 @@ static void perf_counter_output(struct perf_counter *counter,
         header.misc = PERF_EVENT_MISC_OVERFLOW;
         header.misc |= perf_misc_flags(regs);
 
-        if (record_type & PERF_RECORD_IP) {
+        if (sample_type & PERF_SAMPLE_IP) {
                 ip = perf_instruction_pointer(regs);
-                header.type |= PERF_RECORD_IP;
+                header.type |= PERF_SAMPLE_IP;
                 header.size += sizeof(ip);
         }
 
-        if (record_type & PERF_RECORD_TID) {
+        if (sample_type & PERF_SAMPLE_TID) {
                 /* namespace issues */
                 tid_entry.pid = perf_counter_pid(counter, current);
                 tid_entry.tid = perf_counter_tid(counter, current);
 
-                header.type |= PERF_RECORD_TID;
+                header.type |= PERF_SAMPLE_TID;
                 header.size += sizeof(tid_entry);
         }
 
-        if (record_type & PERF_RECORD_TIME) {
+        if (sample_type & PERF_SAMPLE_TIME) {
                 /*
                  * Maybe do better on x86 and provide cpu_clock_nmi()
                  */
                 time = sched_clock();
 
-                header.type |= PERF_RECORD_TIME;
+                header.type |= PERF_SAMPLE_TIME;
                 header.size += sizeof(u64);
         }
 
-        if (record_type & PERF_RECORD_ADDR) {
-                header.type |= PERF_RECORD_ADDR;
+        if (sample_type & PERF_SAMPLE_ADDR) {
+                header.type |= PERF_SAMPLE_ADDR;
                 header.size += sizeof(u64);
         }
 
-        if (record_type & PERF_RECORD_CONFIG) {
-                header.type |= PERF_RECORD_CONFIG;
+        if (sample_type & PERF_SAMPLE_CONFIG) {
+                header.type |= PERF_SAMPLE_CONFIG;
                 header.size += sizeof(u64);
         }
 
-        if (record_type & PERF_RECORD_CPU) {
-                header.type |= PERF_RECORD_CPU;
+        if (sample_type & PERF_SAMPLE_CPU) {
+                header.type |= PERF_SAMPLE_CPU;
                 header.size += sizeof(cpu_entry);
 
                 cpu_entry.cpu = raw_smp_processor_id();
         }
 
-        if (record_type & PERF_RECORD_GROUP) {
-                header.type |= PERF_RECORD_GROUP;
+        if (sample_type & PERF_SAMPLE_GROUP) {
+                header.type |= PERF_SAMPLE_GROUP;
                 header.size += sizeof(u64) +
                         counter->nr_siblings * sizeof(group_entry);
         }
 
-        if (record_type & PERF_RECORD_CALLCHAIN) {
+        if (sample_type & PERF_SAMPLE_CALLCHAIN) {
                 callchain = perf_callchain(regs);
 
                 if (callchain) {
                         callchain_size = (1 + callchain->nr) * sizeof(u64);
 
-                        header.type |= PERF_RECORD_CALLCHAIN;
+                        header.type |= PERF_SAMPLE_CALLCHAIN;
                         header.size += callchain_size;
                 }
         }
@@ -2386,28 +2386,28 @@ static void perf_counter_output(struct perf_counter *counter,
 
         perf_output_put(&handle, header);
 
-        if (record_type & PERF_RECORD_IP)
+        if (sample_type & PERF_SAMPLE_IP)
                 perf_output_put(&handle, ip);
 
-        if (record_type & PERF_RECORD_TID)
+        if (sample_type & PERF_SAMPLE_TID)
                 perf_output_put(&handle, tid_entry);
 
-        if (record_type & PERF_RECORD_TIME)
+        if (sample_type & PERF_SAMPLE_TIME)
                 perf_output_put(&handle, time);
 
-        if (record_type & PERF_RECORD_ADDR)
+        if (sample_type & PERF_SAMPLE_ADDR)
                 perf_output_put(&handle, addr);
 
-        if (record_type & PERF_RECORD_CONFIG)
+        if (sample_type & PERF_SAMPLE_CONFIG)
                 perf_output_put(&handle, counter->hw_event.config);
 
-        if (record_type & PERF_RECORD_CPU)
+        if (sample_type & PERF_SAMPLE_CPU)
                 perf_output_put(&handle, cpu_entry);
 
         /*
-         * XXX PERF_RECORD_GROUP vs inherited counters seems difficult.
+         * XXX PERF_SAMPLE_GROUP vs inherited counters seems difficult.
          */
-        if (record_type & PERF_RECORD_GROUP) {
+        if (sample_type & PERF_SAMPLE_GROUP) {
                 struct perf_counter *leader, *sub;
                 u64 nr = counter->nr_siblings;
 
@@ -2702,7 +2702,7 @@ void perf_counter_munmap(unsigned long addr, unsigned long len,
 }
 
 /*
- * Log irq_period changes so that analyzing tools can re-normalize the
+ * Log sample_period changes so that analyzing tools can re-normalize the
  * event flow.
  */
 
@@ -2725,7 +2725,7 @@ static void perf_log_period(struct perf_counter *counter, u64 period)
                 .period = period,
         };
 
-        if (counter->hw.irq_period == period)
+        if (counter->hw.sample_period == period)
                 return;
 
         ret = perf_output_begin(&handle, counter, sizeof(freq_event), 0, 0);
@@ -2834,7 +2834,7 @@ static void perf_swcounter_set_period(struct perf_counter *counter)
 {
         struct hw_perf_counter *hwc = &counter->hw;
         s64 left = atomic64_read(&hwc->period_left);
-        s64 period = hwc->irq_period;
+        s64 period = hwc->sample_period;
 
         if (unlikely(left <= -period)) {
                 left = period;
@@ -2874,7 +2874,7 @@ static enum hrtimer_restart perf_swcounter_hrtimer(struct hrtimer *hrtimer)
                         ret = HRTIMER_NORESTART;
         }
 
-        period = max_t(u64, 10000, counter->hw.irq_period);
+        period = max_t(u64, 10000, counter->hw.sample_period);
         hrtimer_forward_now(hrtimer, ns_to_ktime(period));
 
         return ret;
@@ -2959,7 +2959,7 @@ static void perf_swcounter_add(struct perf_counter *counter, u64 nr,
 {
         int neg = atomic64_add_negative(nr, &counter->hw.count);
 
-        if (counter->hw.irq_period && !neg && regs)
+        if (counter->hw.sample_period && !neg && regs)
                 perf_swcounter_overflow(counter, nmi, regs, addr);
 }
 
@@ -3080,8 +3080,8 @@ static int cpu_clock_perf_counter_enable(struct perf_counter *counter)
         atomic64_set(&hwc->prev_count, cpu_clock(cpu));
         hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
         hwc->hrtimer.function = perf_swcounter_hrtimer;
-        if (hwc->irq_period) {
-                u64 period = max_t(u64, 10000, hwc->irq_period);
+        if (hwc->sample_period) {
+                u64 period = max_t(u64, 10000, hwc->sample_period);
                 __hrtimer_start_range_ns(&hwc->hrtimer,
                                 ns_to_ktime(period), 0,
                                 HRTIMER_MODE_REL, 0);
@@ -3092,7 +3092,7 @@ static int cpu_clock_perf_counter_enable(struct perf_counter *counter)
 
 static void cpu_clock_perf_counter_disable(struct perf_counter *counter)
 {
-        if (counter->hw.irq_period)
+        if (counter->hw.sample_period)
                 hrtimer_cancel(&counter->hw.hrtimer);
         cpu_clock_perf_counter_update(counter);
 }
@@ -3132,8 +3132,8 @@ static int task_clock_perf_counter_enable(struct perf_counter *counter)
         atomic64_set(&hwc->prev_count, now);
         hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
         hwc->hrtimer.function = perf_swcounter_hrtimer;
-        if (hwc->irq_period) {
-                u64 period = max_t(u64, 10000, hwc->irq_period);
+        if (hwc->sample_period) {
+                u64 period = max_t(u64, 10000, hwc->sample_period);
                 __hrtimer_start_range_ns(&hwc->hrtimer,
                                 ns_to_ktime(period), 0,
                                 HRTIMER_MODE_REL, 0);
@@ -3144,7 +3144,7 @@ static int task_clock_perf_counter_enable(struct perf_counter *counter)
 
 static void task_clock_perf_counter_disable(struct perf_counter *counter)
 {
-        if (counter->hw.irq_period)
+        if (counter->hw.sample_period)
                 hrtimer_cancel(&counter->hw.hrtimer);
         task_clock_perf_counter_update(counter, counter->ctx->time);
 
@@ -3223,7 +3223,7 @@ static const struct pmu *tp_perf_counter_init(struct perf_counter *counter)
                 return NULL;
 
         counter->destroy = tp_perf_counter_destroy;
-        counter->hw.irq_period = counter->hw_event.irq_period;
+        counter->hw.sample_period = counter->hw_event.sample_period;
 
         return &perf_ops_generic;
 }
@@ -3323,15 +3323,15 @@ perf_counter_alloc(struct perf_counter_hw_event *hw_event,
         pmu = NULL;
 
         hwc = &counter->hw;
-        if (hw_event->freq && hw_event->irq_freq)
-                hwc->irq_period = div64_u64(TICK_NSEC, hw_event->irq_freq);
+        if (hw_event->freq && hw_event->sample_freq)
+                hwc->sample_period = div64_u64(TICK_NSEC, hw_event->sample_freq);
         else
-                hwc->irq_period = hw_event->irq_period;
+                hwc->sample_period = hw_event->sample_period;
 
         /*
-         * we currently do not support PERF_RECORD_GROUP on inherited counters
+         * we currently do not support PERF_SAMPLE_GROUP on inherited counters
          */
-        if (hw_event->inherit && (hw_event->record_type & PERF_RECORD_GROUP))
+        if (hw_event->inherit && (hw_event->sample_type & PERF_SAMPLE_GROUP))
                 goto done;
 
         if (perf_event_raw(hw_event)) {