perf_counter: Rename perf_counter_hw_event => perf_counter_attr
The structure isn't hw only and when I read event, I think about those things that fall out the other end. Rename the thing. 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> Cc: Stephane Eranian <eranian@googlemail.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
parent
08247e31ca
commit
0d48696f87
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@ -262,13 +262,13 @@ static int check_excludes(struct perf_counter **ctrs, unsigned int cflags[],
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}
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counter = ctrs[i];
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if (first) {
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eu = counter->hw_event.exclude_user;
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ek = counter->hw_event.exclude_kernel;
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eh = counter->hw_event.exclude_hv;
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eu = counter->attr.exclude_user;
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ek = counter->attr.exclude_kernel;
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eh = counter->attr.exclude_hv;
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first = 0;
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} else if (counter->hw_event.exclude_user != eu ||
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counter->hw_event.exclude_kernel != ek ||
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counter->hw_event.exclude_hv != eh) {
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} else if (counter->attr.exclude_user != eu ||
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counter->attr.exclude_kernel != ek ||
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counter->attr.exclude_hv != eh) {
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return -EAGAIN;
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}
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}
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@ -483,16 +483,16 @@ void hw_perf_enable(void)
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/*
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* Add in MMCR0 freeze bits corresponding to the
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* hw_event.exclude_* bits for the first counter.
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* attr.exclude_* bits for the first counter.
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* We have already checked that all counters have the
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* same values for these bits as the first counter.
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*/
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counter = cpuhw->counter[0];
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if (counter->hw_event.exclude_user)
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if (counter->attr.exclude_user)
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cpuhw->mmcr[0] |= MMCR0_FCP;
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if (counter->hw_event.exclude_kernel)
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if (counter->attr.exclude_kernel)
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cpuhw->mmcr[0] |= freeze_counters_kernel;
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if (counter->hw_event.exclude_hv)
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if (counter->attr.exclude_hv)
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cpuhw->mmcr[0] |= MMCR0_FCHV;
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/*
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@ -786,10 +786,10 @@ static int can_go_on_limited_pmc(struct perf_counter *counter, u64 ev,
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int n;
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u64 alt[MAX_EVENT_ALTERNATIVES];
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if (counter->hw_event.exclude_user
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|| counter->hw_event.exclude_kernel
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|| counter->hw_event.exclude_hv
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|| counter->hw_event.sample_period)
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if (counter->attr.exclude_user
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|| counter->attr.exclude_kernel
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|| counter->attr.exclude_hv
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|| counter->attr.sample_period)
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return 0;
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if (ppmu->limited_pmc_event(ev))
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@ -855,13 +855,13 @@ const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
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if (!ppmu)
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return ERR_PTR(-ENXIO);
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if (!perf_event_raw(&counter->hw_event)) {
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ev = perf_event_id(&counter->hw_event);
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if (!perf_event_raw(&counter->attr)) {
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ev = perf_event_id(&counter->attr);
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if (ev >= ppmu->n_generic || ppmu->generic_events[ev] == 0)
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return ERR_PTR(-EOPNOTSUPP);
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ev = ppmu->generic_events[ev];
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} else {
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ev = perf_event_config(&counter->hw_event);
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ev = perf_event_config(&counter->attr);
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}
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counter->hw.config_base = ev;
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counter->hw.idx = 0;
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@ -872,7 +872,7 @@ const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
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* the user set it to.
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*/
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if (!firmware_has_feature(FW_FEATURE_LPAR))
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counter->hw_event.exclude_hv = 0;
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counter->attr.exclude_hv = 0;
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/*
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* If this is a per-task counter, then we can use
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@ -990,7 +990,7 @@ static void record_and_restart(struct perf_counter *counter, long val,
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*/
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if (record) {
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addr = 0;
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if (counter->hw_event.record_type & PERF_RECORD_ADDR) {
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if (counter->attr.record_type & PERF_RECORD_ADDR) {
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/*
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* The user wants a data address recorded.
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* If we're not doing instruction sampling,
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@ -247,11 +247,11 @@ static inline int x86_pmu_initialized(void)
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}
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/*
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* Setup the hardware configuration for a given hw_event_type
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* Setup the hardware configuration for a given attr_type
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*/
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static int __hw_perf_counter_init(struct perf_counter *counter)
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{
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struct perf_counter_hw_event *hw_event = &counter->hw_event;
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struct perf_counter_attr *attr = &counter->attr;
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struct hw_perf_counter *hwc = &counter->hw;
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int err;
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@ -279,9 +279,9 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
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/*
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* Count user and OS events unless requested not to.
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*/
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if (!hw_event->exclude_user)
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if (!attr->exclude_user)
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hwc->config |= ARCH_PERFMON_EVENTSEL_USR;
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if (!hw_event->exclude_kernel)
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if (!attr->exclude_kernel)
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hwc->config |= ARCH_PERFMON_EVENTSEL_OS;
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if (!hwc->sample_period)
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@ -292,15 +292,15 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
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/*
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* Raw event type provide the config in the event structure
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*/
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if (perf_event_raw(hw_event)) {
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hwc->config |= x86_pmu.raw_event(perf_event_config(hw_event));
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if (perf_event_raw(attr)) {
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hwc->config |= x86_pmu.raw_event(perf_event_config(attr));
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} else {
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if (perf_event_id(hw_event) >= x86_pmu.max_events)
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if (perf_event_id(attr) >= x86_pmu.max_events)
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return -EINVAL;
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/*
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* The generic map:
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*/
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hwc->config |= x86_pmu.event_map(perf_event_id(hw_event));
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hwc->config |= x86_pmu.event_map(perf_event_id(attr));
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}
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counter->destroy = hw_perf_counter_destroy;
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@ -22,7 +22,7 @@
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*/
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/*
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* hw_event.type
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* attr.type
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*/
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enum perf_event_types {
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PERF_TYPE_HARDWARE = 0,
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@ -37,10 +37,10 @@ enum perf_event_types {
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};
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/*
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* Generalized performance counter event types, used by the hw_event.event_id
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* Generalized performance counter event types, used by the attr.event_id
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* parameter of the sys_perf_counter_open() syscall:
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*/
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enum hw_event_ids {
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enum attr_ids {
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/*
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* Common hardware events, generalized by the kernel:
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*/
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@ -94,7 +94,7 @@ enum sw_event_ids {
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#define PERF_COUNTER_EVENT_MASK __PERF_COUNTER_MASK(EVENT)
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/*
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* Bits that can be set in hw_event.sample_type to request information
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* Bits that can be set in attr.sample_type to request information
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* in the overflow packets.
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*/
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enum perf_counter_sample_format {
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@ -109,7 +109,7 @@ enum perf_counter_sample_format {
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};
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/*
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* Bits that can be set in hw_event.read_format to request that
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* Bits that can be set in attr.read_format to request that
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* reads on the counter should return the indicated quantities,
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* in increasing order of bit value, after the counter value.
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*/
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@ -122,7 +122,7 @@ enum perf_counter_read_format {
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/*
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* Hardware event to monitor via a performance monitoring counter:
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*/
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struct perf_counter_hw_event {
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struct perf_counter_attr {
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/*
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* The MSB of the config word signifies if the rest contains cpu
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* specific (raw) counter configuration data, if unset, the next
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@ -323,25 +323,25 @@ enum perf_event_type {
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struct task_struct;
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static inline u64 perf_event_raw(struct perf_counter_hw_event *hw_event)
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static inline u64 perf_event_raw(struct perf_counter_attr *attr)
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{
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return hw_event->config & PERF_COUNTER_RAW_MASK;
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return attr->config & PERF_COUNTER_RAW_MASK;
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}
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static inline u64 perf_event_config(struct perf_counter_hw_event *hw_event)
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static inline u64 perf_event_config(struct perf_counter_attr *attr)
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{
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return hw_event->config & PERF_COUNTER_CONFIG_MASK;
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return attr->config & PERF_COUNTER_CONFIG_MASK;
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}
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static inline u64 perf_event_type(struct perf_counter_hw_event *hw_event)
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static inline u64 perf_event_type(struct perf_counter_attr *attr)
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{
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return (hw_event->config & PERF_COUNTER_TYPE_MASK) >>
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return (attr->config & PERF_COUNTER_TYPE_MASK) >>
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PERF_COUNTER_TYPE_SHIFT;
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}
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static inline u64 perf_event_id(struct perf_counter_hw_event *hw_event)
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static inline u64 perf_event_id(struct perf_counter_attr *attr)
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{
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return hw_event->config & PERF_COUNTER_EVENT_MASK;
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return attr->config & PERF_COUNTER_EVENT_MASK;
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}
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/**
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@ -457,7 +457,7 @@ struct perf_counter {
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u64 tstamp_running;
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u64 tstamp_stopped;
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struct perf_counter_hw_event hw_event;
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struct perf_counter_attr attr;
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struct hw_perf_counter hw;
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struct perf_counter_context *ctx;
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@ -605,8 +605,8 @@ extern int perf_counter_overflow(struct perf_counter *counter,
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*/
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static inline int is_software_counter(struct perf_counter *counter)
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{
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return !perf_event_raw(&counter->hw_event) &&
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perf_event_type(&counter->hw_event) != PERF_TYPE_HARDWARE;
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return !perf_event_raw(&counter->attr) &&
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perf_event_type(&counter->attr) != PERF_TYPE_HARDWARE;
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}
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extern void perf_swcounter_event(u32, u64, int, struct pt_regs *, u64);
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@ -55,7 +55,7 @@ struct compat_timeval;
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struct robust_list_head;
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struct getcpu_cache;
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struct old_linux_dirent;
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struct perf_counter_hw_event;
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struct perf_counter_attr;
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#include <linux/types.h>
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#include <linux/aio_abi.h>
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@ -758,6 +758,6 @@ int kernel_execve(const char *filename, char *const argv[], char *const envp[]);
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asmlinkage long sys_perf_counter_open(
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const struct perf_counter_hw_event __user *hw_event_uptr,
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const struct perf_counter_attr __user *attr_uptr,
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pid_t pid, int cpu, int group_fd, unsigned long flags);
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#endif
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@ -260,7 +260,7 @@ counter_sched_out(struct perf_counter *counter,
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if (!is_software_counter(counter))
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cpuctx->active_oncpu--;
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ctx->nr_active--;
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if (counter->hw_event.exclusive || !cpuctx->active_oncpu)
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if (counter->attr.exclusive || !cpuctx->active_oncpu)
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cpuctx->exclusive = 0;
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}
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@ -282,7 +282,7 @@ group_sched_out(struct perf_counter *group_counter,
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list_for_each_entry(counter, &group_counter->sibling_list, list_entry)
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counter_sched_out(counter, cpuctx, ctx);
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if (group_counter->hw_event.exclusive)
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if (group_counter->attr.exclusive)
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cpuctx->exclusive = 0;
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}
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@ -550,7 +550,7 @@ counter_sched_in(struct perf_counter *counter,
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cpuctx->active_oncpu++;
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ctx->nr_active++;
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if (counter->hw_event.exclusive)
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if (counter->attr.exclusive)
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cpuctx->exclusive = 1;
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return 0;
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@ -642,7 +642,7 @@ static int group_can_go_on(struct perf_counter *counter,
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* If this group is exclusive and there are already
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* counters on the CPU, it can't go on.
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*/
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if (counter->hw_event.exclusive && cpuctx->active_oncpu)
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if (counter->attr.exclusive && cpuctx->active_oncpu)
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return 0;
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/*
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* Otherwise, try to add it if all previous groups were able
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@ -725,7 +725,7 @@ static void __perf_install_in_context(void *info)
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*/
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if (leader != counter)
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group_sched_out(leader, cpuctx, ctx);
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if (leader->hw_event.pinned) {
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if (leader->attr.pinned) {
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update_group_times(leader);
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leader->state = PERF_COUNTER_STATE_ERROR;
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}
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@ -849,7 +849,7 @@ static void __perf_counter_enable(void *info)
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*/
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if (leader != counter)
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group_sched_out(leader, cpuctx, ctx);
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if (leader->hw_event.pinned) {
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if (leader->attr.pinned) {
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update_group_times(leader);
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leader->state = PERF_COUNTER_STATE_ERROR;
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}
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@ -927,7 +927,7 @@ static int perf_counter_refresh(struct perf_counter *counter, int refresh)
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/*
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* not supported on inherited counters
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*/
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if (counter->hw_event.inherit)
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if (counter->attr.inherit)
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return -EINVAL;
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atomic_add(refresh, &counter->event_limit);
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@ -1094,7 +1094,7 @@ __perf_counter_sched_in(struct perf_counter_context *ctx,
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*/
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list_for_each_entry(counter, &ctx->counter_list, list_entry) {
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if (counter->state <= PERF_COUNTER_STATE_OFF ||
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!counter->hw_event.pinned)
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!counter->attr.pinned)
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continue;
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if (counter->cpu != -1 && counter->cpu != cpu)
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continue;
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@ -1122,7 +1122,7 @@ __perf_counter_sched_in(struct perf_counter_context *ctx,
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* ignore pinned counters since we did them already.
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*/
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if (counter->state <= PERF_COUNTER_STATE_OFF ||
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counter->hw_event.pinned)
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counter->attr.pinned)
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continue;
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/*
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@ -1204,11 +1204,11 @@ static void perf_adjust_freq(struct perf_counter_context *ctx)
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interrupts = 2*sysctl_perf_counter_limit/HZ;
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}
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if (!counter->hw_event.freq || !counter->hw_event.sample_freq)
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if (!counter->attr.freq || !counter->attr.sample_freq)
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continue;
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events = HZ * interrupts * counter->hw.sample_period;
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period = div64_u64(events, counter->hw_event.sample_freq);
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period = div64_u64(events, counter->attr.sample_freq);
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delta = (s64)(1 + period - counter->hw.sample_period);
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delta >>= 1;
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@ -1444,11 +1444,11 @@ static void free_counter(struct perf_counter *counter)
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perf_pending_sync(counter);
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atomic_dec(&nr_counters);
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if (counter->hw_event.mmap)
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if (counter->attr.mmap)
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atomic_dec(&nr_mmap_tracking);
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if (counter->hw_event.munmap)
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if (counter->attr.munmap)
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atomic_dec(&nr_munmap_tracking);
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if (counter->hw_event.comm)
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if (counter->attr.comm)
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atomic_dec(&nr_comm_tracking);
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if (counter->destroy)
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@ -1504,13 +1504,13 @@ perf_read_hw(struct perf_counter *counter, char __user *buf, size_t count)
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mutex_lock(&counter->child_mutex);
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values[0] = perf_counter_read(counter);
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n = 1;
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if (counter->hw_event.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
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if (counter->attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
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values[n++] = counter->total_time_enabled +
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atomic64_read(&counter->child_total_time_enabled);
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if (counter->hw_event.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
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if (counter->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
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values[n++] = counter->total_time_running +
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atomic64_read(&counter->child_total_time_running);
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if (counter->hw_event.read_format & PERF_FORMAT_ID)
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if (counter->attr.read_format & PERF_FORMAT_ID)
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values[n++] = counter->id;
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mutex_unlock(&counter->child_mutex);
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@ -1611,7 +1611,7 @@ static int perf_counter_period(struct perf_counter *counter, u64 __user *arg)
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int ret = 0;
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u64 value;
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if (!counter->hw_event.sample_period)
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if (!counter->attr.sample_period)
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return -EINVAL;
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size = copy_from_user(&value, arg, sizeof(value));
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@ -1622,15 +1622,15 @@ static int perf_counter_period(struct perf_counter *counter, u64 __user *arg)
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return -EINVAL;
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spin_lock_irq(&ctx->lock);
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if (counter->hw_event.freq) {
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if (counter->attr.freq) {
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if (value > sysctl_perf_counter_limit) {
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ret = -EINVAL;
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goto unlock;
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}
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counter->hw_event.sample_freq = value;
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counter->attr.sample_freq = value;
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} else {
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counter->hw_event.sample_period = value;
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counter->attr.sample_period = value;
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counter->hw.sample_period = value;
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||||
perf_log_period(counter, value);
|
||||
|
@ -2299,7 +2299,7 @@ static void perf_output_end(struct perf_output_handle *handle)
|
|||
struct perf_counter *counter = handle->counter;
|
||||
struct perf_mmap_data *data = handle->data;
|
||||
|
||||
int wakeup_events = counter->hw_event.wakeup_events;
|
||||
int wakeup_events = counter->attr.wakeup_events;
|
||||
|
||||
if (handle->overflow && wakeup_events) {
|
||||
int events = atomic_inc_return(&data->events);
|
||||
|
@ -2339,7 +2339,7 @@ static void perf_counter_output(struct perf_counter *counter,
|
|||
int nmi, struct pt_regs *regs, u64 addr)
|
||||
{
|
||||
int ret;
|
||||
u64 sample_type = counter->hw_event.sample_type;
|
||||
u64 sample_type = counter->attr.sample_type;
|
||||
struct perf_output_handle handle;
|
||||
struct perf_event_header header;
|
||||
u64 ip;
|
||||
|
@ -2441,7 +2441,7 @@ static void perf_counter_output(struct perf_counter *counter,
|
|||
perf_output_put(&handle, addr);
|
||||
|
||||
if (sample_type & PERF_SAMPLE_CONFIG)
|
||||
perf_output_put(&handle, counter->hw_event.config);
|
||||
perf_output_put(&handle, counter->attr.config);
|
||||
|
||||
if (sample_type & PERF_SAMPLE_CPU)
|
||||
perf_output_put(&handle, cpu_entry);
|
||||
|
@ -2512,7 +2512,7 @@ static void perf_counter_comm_output(struct perf_counter *counter,
|
|||
static int perf_counter_comm_match(struct perf_counter *counter,
|
||||
struct perf_comm_event *comm_event)
|
||||
{
|
||||
if (counter->hw_event.comm &&
|
||||
if (counter->attr.comm &&
|
||||
comm_event->event.header.type == PERF_EVENT_COMM)
|
||||
return 1;
|
||||
|
||||
|
@ -2623,11 +2623,11 @@ static void perf_counter_mmap_output(struct perf_counter *counter,
|
|||
static int perf_counter_mmap_match(struct perf_counter *counter,
|
||||
struct perf_mmap_event *mmap_event)
|
||||
{
|
||||
if (counter->hw_event.mmap &&
|
||||
if (counter->attr.mmap &&
|
||||
mmap_event->event.header.type == PERF_EVENT_MMAP)
|
||||
return 1;
|
||||
|
||||
if (counter->hw_event.munmap &&
|
||||
if (counter->attr.munmap &&
|
||||
mmap_event->event.header.type == PERF_EVENT_MUNMAP)
|
||||
return 1;
|
||||
|
||||
|
@ -2907,8 +2907,8 @@ static enum hrtimer_restart perf_swcounter_hrtimer(struct hrtimer *hrtimer)
|
|||
* In case we exclude kernel IPs or are somehow not in interrupt
|
||||
* context, provide the next best thing, the user IP.
|
||||
*/
|
||||
if ((counter->hw_event.exclude_kernel || !regs) &&
|
||||
!counter->hw_event.exclude_user)
|
||||
if ((counter->attr.exclude_kernel || !regs) &&
|
||||
!counter->attr.exclude_user)
|
||||
regs = task_pt_regs(current);
|
||||
|
||||
if (regs) {
|
||||
|
@ -2982,14 +2982,14 @@ static int perf_swcounter_match(struct perf_counter *counter,
|
|||
if (!perf_swcounter_is_counting(counter))
|
||||
return 0;
|
||||
|
||||
if (counter->hw_event.config != event_config)
|
||||
if (counter->attr.config != event_config)
|
||||
return 0;
|
||||
|
||||
if (regs) {
|
||||
if (counter->hw_event.exclude_user && user_mode(regs))
|
||||
if (counter->attr.exclude_user && user_mode(regs))
|
||||
return 0;
|
||||
|
||||
if (counter->hw_event.exclude_kernel && !user_mode(regs))
|
||||
if (counter->attr.exclude_kernel && !user_mode(regs))
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -3252,12 +3252,12 @@ extern void ftrace_profile_disable(int);
|
|||
|
||||
static void tp_perf_counter_destroy(struct perf_counter *counter)
|
||||
{
|
||||
ftrace_profile_disable(perf_event_id(&counter->hw_event));
|
||||
ftrace_profile_disable(perf_event_id(&counter->attr));
|
||||
}
|
||||
|
||||
static const struct pmu *tp_perf_counter_init(struct perf_counter *counter)
|
||||
{
|
||||
int event_id = perf_event_id(&counter->hw_event);
|
||||
int event_id = perf_event_id(&counter->attr);
|
||||
int ret;
|
||||
|
||||
ret = ftrace_profile_enable(event_id);
|
||||
|
@ -3265,7 +3265,7 @@ static const struct pmu *tp_perf_counter_init(struct perf_counter *counter)
|
|||
return NULL;
|
||||
|
||||
counter->destroy = tp_perf_counter_destroy;
|
||||
counter->hw.sample_period = counter->hw_event.sample_period;
|
||||
counter->hw.sample_period = counter->attr.sample_period;
|
||||
|
||||
return &perf_ops_generic;
|
||||
}
|
||||
|
@ -3287,7 +3287,7 @@ static const struct pmu *sw_perf_counter_init(struct perf_counter *counter)
|
|||
* to be kernel events, and page faults are never hypervisor
|
||||
* events.
|
||||
*/
|
||||
switch (perf_event_id(&counter->hw_event)) {
|
||||
switch (perf_event_id(&counter->attr)) {
|
||||
case PERF_COUNT_CPU_CLOCK:
|
||||
pmu = &perf_ops_cpu_clock;
|
||||
|
||||
|
@ -3319,7 +3319,7 @@ static const struct pmu *sw_perf_counter_init(struct perf_counter *counter)
|
|||
* Allocate and initialize a counter structure
|
||||
*/
|
||||
static struct perf_counter *
|
||||
perf_counter_alloc(struct perf_counter_hw_event *hw_event,
|
||||
perf_counter_alloc(struct perf_counter_attr *attr,
|
||||
int cpu,
|
||||
struct perf_counter_context *ctx,
|
||||
struct perf_counter *group_leader,
|
||||
|
@ -3352,36 +3352,36 @@ perf_counter_alloc(struct perf_counter_hw_event *hw_event,
|
|||
mutex_init(&counter->mmap_mutex);
|
||||
|
||||
counter->cpu = cpu;
|
||||
counter->hw_event = *hw_event;
|
||||
counter->attr = *attr;
|
||||
counter->group_leader = group_leader;
|
||||
counter->pmu = NULL;
|
||||
counter->ctx = ctx;
|
||||
counter->oncpu = -1;
|
||||
|
||||
counter->state = PERF_COUNTER_STATE_INACTIVE;
|
||||
if (hw_event->disabled)
|
||||
if (attr->disabled)
|
||||
counter->state = PERF_COUNTER_STATE_OFF;
|
||||
|
||||
pmu = NULL;
|
||||
|
||||
hwc = &counter->hw;
|
||||
if (hw_event->freq && hw_event->sample_freq)
|
||||
hwc->sample_period = div64_u64(TICK_NSEC, hw_event->sample_freq);
|
||||
if (attr->freq && attr->sample_freq)
|
||||
hwc->sample_period = div64_u64(TICK_NSEC, attr->sample_freq);
|
||||
else
|
||||
hwc->sample_period = hw_event->sample_period;
|
||||
hwc->sample_period = attr->sample_period;
|
||||
|
||||
/*
|
||||
* we currently do not support PERF_SAMPLE_GROUP on inherited counters
|
||||
*/
|
||||
if (hw_event->inherit && (hw_event->sample_type & PERF_SAMPLE_GROUP))
|
||||
if (attr->inherit && (attr->sample_type & PERF_SAMPLE_GROUP))
|
||||
goto done;
|
||||
|
||||
if (perf_event_raw(hw_event)) {
|
||||
if (perf_event_raw(attr)) {
|
||||
pmu = hw_perf_counter_init(counter);
|
||||
goto done;
|
||||
}
|
||||
|
||||
switch (perf_event_type(hw_event)) {
|
||||
switch (perf_event_type(attr)) {
|
||||
case PERF_TYPE_HARDWARE:
|
||||
pmu = hw_perf_counter_init(counter);
|
||||
break;
|
||||
|
@ -3409,11 +3409,11 @@ done:
|
|||
counter->pmu = pmu;
|
||||
|
||||
atomic_inc(&nr_counters);
|
||||
if (counter->hw_event.mmap)
|
||||
if (counter->attr.mmap)
|
||||
atomic_inc(&nr_mmap_tracking);
|
||||
if (counter->hw_event.munmap)
|
||||
if (counter->attr.munmap)
|
||||
atomic_inc(&nr_munmap_tracking);
|
||||
if (counter->hw_event.comm)
|
||||
if (counter->attr.comm)
|
||||
atomic_inc(&nr_comm_tracking);
|
||||
|
||||
return counter;
|
||||
|
@ -3424,17 +3424,17 @@ static atomic64_t perf_counter_id;
|
|||
/**
|
||||
* sys_perf_counter_open - open a performance counter, associate it to a task/cpu
|
||||
*
|
||||
* @hw_event_uptr: event type attributes for monitoring/sampling
|
||||
* @attr_uptr: event type attributes for monitoring/sampling
|
||||
* @pid: target pid
|
||||
* @cpu: target cpu
|
||||
* @group_fd: group leader counter fd
|
||||
*/
|
||||
SYSCALL_DEFINE5(perf_counter_open,
|
||||
const struct perf_counter_hw_event __user *, hw_event_uptr,
|
||||
const struct perf_counter_attr __user *, attr_uptr,
|
||||
pid_t, pid, int, cpu, int, group_fd, unsigned long, flags)
|
||||
{
|
||||
struct perf_counter *counter, *group_leader;
|
||||
struct perf_counter_hw_event hw_event;
|
||||
struct perf_counter_attr attr;
|
||||
struct perf_counter_context *ctx;
|
||||
struct file *counter_file = NULL;
|
||||
struct file *group_file = NULL;
|
||||
|
@ -3446,7 +3446,7 @@ SYSCALL_DEFINE5(perf_counter_open,
|
|||
if (flags)
|
||||
return -EINVAL;
|
||||
|
||||
if (copy_from_user(&hw_event, hw_event_uptr, sizeof(hw_event)) != 0)
|
||||
if (copy_from_user(&attr, attr_uptr, sizeof(attr)) != 0)
|
||||
return -EFAULT;
|
||||
|
||||
/*
|
||||
|
@ -3484,11 +3484,11 @@ SYSCALL_DEFINE5(perf_counter_open,
|
|||
/*
|
||||
* Only a group leader can be exclusive or pinned
|
||||
*/
|
||||
if (hw_event.exclusive || hw_event.pinned)
|
||||
if (attr.exclusive || attr.pinned)
|
||||
goto err_put_context;
|
||||
}
|
||||
|
||||
counter = perf_counter_alloc(&hw_event, cpu, ctx, group_leader,
|
||||
counter = perf_counter_alloc(&attr, cpu, ctx, group_leader,
|
||||
GFP_KERNEL);
|
||||
ret = PTR_ERR(counter);
|
||||
if (IS_ERR(counter))
|
||||
|
@ -3556,7 +3556,7 @@ inherit_counter(struct perf_counter *parent_counter,
|
|||
if (parent_counter->parent)
|
||||
parent_counter = parent_counter->parent;
|
||||
|
||||
child_counter = perf_counter_alloc(&parent_counter->hw_event,
|
||||
child_counter = perf_counter_alloc(&parent_counter->attr,
|
||||
parent_counter->cpu, child_ctx,
|
||||
group_leader, GFP_KERNEL);
|
||||
if (IS_ERR(child_counter))
|
||||
|
@ -3565,7 +3565,7 @@ inherit_counter(struct perf_counter *parent_counter,
|
|||
|
||||
/*
|
||||
* Make the child state follow the state of the parent counter,
|
||||
* not its hw_event.disabled bit. We hold the parent's mutex,
|
||||
* not its attr.disabled bit. We hold the parent's mutex,
|
||||
* so we won't race with perf_counter_{en, dis}able_family.
|
||||
*/
|
||||
if (parent_counter->state >= PERF_COUNTER_STATE_INACTIVE)
|
||||
|
@ -3582,7 +3582,7 @@ inherit_counter(struct perf_counter *parent_counter,
|
|||
/*
|
||||
* inherit into child's child as well:
|
||||
*/
|
||||
child_counter->hw_event.inherit = 1;
|
||||
child_counter->attr.inherit = 1;
|
||||
|
||||
/*
|
||||
* Get a reference to the parent filp - we will fput it
|
||||
|
@ -3838,7 +3838,7 @@ int perf_counter_init_task(struct task_struct *child)
|
|||
if (counter != counter->group_leader)
|
||||
continue;
|
||||
|
||||
if (!counter->hw_event.inherit) {
|
||||
if (!counter->attr.inherit) {
|
||||
inherited_all = 0;
|
||||
continue;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue