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perf_counter: Rename various fields

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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>
This commit is contained in:
Peter Zijlstra
2009-06-02 15:13:03 +02:00
committed by Ingo Molnar
parent 8e5799b1ad
commit b23f3325ed
4 changed files with 78 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files

104
kernel/perf_counter.c
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@@ -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)) {