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@@ -37,10 +37,10 @@
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*/
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#define ARMPMU_MAX_HWEVENTS 32
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-/* The events for a given CPU. */
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-struct cpu_hw_events {
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+/* The events for a given PMU register set. */
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+struct pmu_hw_events {
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/*
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- * The events that are active on the CPU for the given index.
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+ * The events that are active on the PMU for the given index.
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*/
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struct perf_event **events;
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@@ -59,7 +59,7 @@ struct cpu_hw_events {
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static DEFINE_PER_CPU(struct perf_event * [ARMPMU_MAX_HWEVENTS], hw_events);
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static DEFINE_PER_CPU(unsigned long [BITS_TO_LONGS(ARMPMU_MAX_HWEVENTS)], used_mask);
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-static DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events);
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+static DEFINE_PER_CPU(struct pmu_hw_events, cpu_hw_events);
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struct arm_pmu {
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struct pmu pmu;
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@@ -70,7 +70,7 @@ struct arm_pmu {
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irqreturn_t (*handle_irq)(int irq_num, void *dev);
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void (*enable)(struct hw_perf_event *evt, int idx);
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void (*disable)(struct hw_perf_event *evt, int idx);
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- int (*get_event_idx)(struct cpu_hw_events *cpuc,
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+ int (*get_event_idx)(struct pmu_hw_events *hw_events,
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struct hw_perf_event *hwc);
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int (*set_event_filter)(struct hw_perf_event *evt,
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struct perf_event_attr *attr);
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@@ -85,21 +85,21 @@ struct arm_pmu {
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struct mutex reserve_mutex;
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u64 max_period;
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struct platform_device *plat_device;
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- struct cpu_hw_events *(*get_hw_events)(void);
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+ struct pmu_hw_events *(*get_hw_events)(void);
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};
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#define to_arm_pmu(p) (container_of(p, struct arm_pmu, pmu))
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/* Set at runtime when we know what CPU type we are. */
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-static struct arm_pmu *armpmu;
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+static struct arm_pmu *cpu_pmu;
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enum arm_perf_pmu_ids
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armpmu_get_pmu_id(void)
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{
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int id = -ENODEV;
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- if (armpmu != NULL)
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- id = armpmu->id;
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+ if (cpu_pmu != NULL)
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+ id = cpu_pmu->id;
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return id;
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}
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@@ -110,8 +110,8 @@ armpmu_get_max_events(void)
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{
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int max_events = 0;
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- if (armpmu != NULL)
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- max_events = armpmu->num_events;
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+ if (cpu_pmu != NULL)
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+ max_events = cpu_pmu->num_events;
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return max_events;
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}
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@@ -319,15 +319,15 @@ static void
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armpmu_del(struct perf_event *event, int flags)
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{
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struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
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- struct cpu_hw_events *cpuc = armpmu->get_hw_events();
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+ struct pmu_hw_events *hw_events = armpmu->get_hw_events();
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struct hw_perf_event *hwc = &event->hw;
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int idx = hwc->idx;
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WARN_ON(idx < 0);
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armpmu_stop(event, PERF_EF_UPDATE);
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- cpuc->events[idx] = NULL;
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- clear_bit(idx, cpuc->used_mask);
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+ hw_events->events[idx] = NULL;
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+ clear_bit(idx, hw_events->used_mask);
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perf_event_update_userpage(event);
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}
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@@ -336,7 +336,7 @@ static int
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armpmu_add(struct perf_event *event, int flags)
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{
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struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
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- struct cpu_hw_events *cpuc = armpmu->get_hw_events();
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+ struct pmu_hw_events *hw_events = armpmu->get_hw_events();
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struct hw_perf_event *hwc = &event->hw;
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int idx;
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int err = 0;
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@@ -344,7 +344,7 @@ armpmu_add(struct perf_event *event, int flags)
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perf_pmu_disable(event->pmu);
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/* If we don't have a space for the counter then finish early. */
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- idx = armpmu->get_event_idx(cpuc, hwc);
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+ idx = armpmu->get_event_idx(hw_events, hwc);
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if (idx < 0) {
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err = idx;
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goto out;
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@@ -356,7 +356,7 @@ armpmu_add(struct perf_event *event, int flags)
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*/
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event->hw.idx = idx;
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armpmu->disable(hwc, idx);
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- cpuc->events[idx] = event;
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+ hw_events->events[idx] = event;
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hwc->state = PERF_HES_STOPPED | PERF_HES_UPTODATE;
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if (flags & PERF_EF_START)
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@@ -371,7 +371,7 @@ out:
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}
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static int
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-validate_event(struct cpu_hw_events *cpuc,
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+validate_event(struct pmu_hw_events *hw_events,
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struct perf_event *event)
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{
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struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
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@@ -381,14 +381,14 @@ validate_event(struct cpu_hw_events *cpuc,
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if (event->pmu != leader_pmu || event->state <= PERF_EVENT_STATE_OFF)
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return 1;
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- return armpmu->get_event_idx(cpuc, &fake_event) >= 0;
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+ return armpmu->get_event_idx(hw_events, &fake_event) >= 0;
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}
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static int
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validate_group(struct perf_event *event)
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{
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struct perf_event *sibling, *leader = event->group_leader;
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- struct cpu_hw_events fake_pmu;
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+ struct pmu_hw_events fake_pmu;
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memset(&fake_pmu, 0, sizeof(fake_pmu));
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@@ -604,13 +604,13 @@ static int armpmu_event_init(struct perf_event *event)
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static void armpmu_enable(struct pmu *pmu)
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{
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- struct arm_pmu *armpmu = to_arm_pmu(pmu);
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/* Enable all of the perf events on hardware. */
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+ struct arm_pmu *armpmu = to_arm_pmu(pmu);
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int idx, enabled = 0;
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- struct cpu_hw_events *cpuc = armpmu->get_hw_events();
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+ struct pmu_hw_events *hw_events = armpmu->get_hw_events();
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for (idx = 0; idx < armpmu->num_events; ++idx) {
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- struct perf_event *event = cpuc->events[idx];
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+ struct perf_event *event = hw_events->events[idx];
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if (!event)
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continue;
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@@ -662,13 +662,13 @@ static int __init armpmu_register(struct arm_pmu *armpmu, char *name, int type)
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* This requires SMP to be available, so exists as a separate initcall.
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*/
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static int __init
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-armpmu_reset(void)
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+cpu_pmu_reset(void)
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{
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- if (armpmu && armpmu->reset)
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- return on_each_cpu(armpmu->reset, NULL, 1);
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+ if (cpu_pmu && cpu_pmu->reset)
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+ return on_each_cpu(cpu_pmu->reset, NULL, 1);
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return 0;
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}
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-arch_initcall(armpmu_reset);
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+arch_initcall(cpu_pmu_reset);
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/*
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* PMU platform driver and devicetree bindings.
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@@ -688,7 +688,7 @@ static struct platform_device_id armpmu_plat_device_ids[] = {
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static int __devinit armpmu_device_probe(struct platform_device *pdev)
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{
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- armpmu->plat_device = pdev;
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+ cpu_pmu->plat_device = pdev;
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return 0;
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}
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@@ -707,7 +707,7 @@ static int __init register_pmu_driver(void)
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}
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device_initcall(register_pmu_driver);
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-static struct cpu_hw_events *armpmu_get_cpu_events(void)
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+static struct pmu_hw_events *armpmu_get_cpu_events(void)
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{
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return &__get_cpu_var(cpu_hw_events);
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}
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@@ -716,7 +716,7 @@ static void __init cpu_pmu_init(struct arm_pmu *armpmu)
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{
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int cpu;
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for_each_possible_cpu(cpu) {
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- struct cpu_hw_events *events = &per_cpu(cpu_hw_events, cpu);
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+ struct pmu_hw_events *events = &per_cpu(cpu_hw_events, cpu);
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events->events = per_cpu(hw_events, cpu);
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events->used_mask = per_cpu(used_mask, cpu);
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raw_spin_lock_init(&events->pmu_lock);
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@@ -741,22 +741,22 @@ init_hw_perf_events(void)
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case 0xB360: /* ARM1136 */
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case 0xB560: /* ARM1156 */
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case 0xB760: /* ARM1176 */
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- armpmu = armv6pmu_init();
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+ cpu_pmu = armv6pmu_init();
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break;
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case 0xB020: /* ARM11mpcore */
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- armpmu = armv6mpcore_pmu_init();
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+ cpu_pmu = armv6mpcore_pmu_init();
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break;
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case 0xC080: /* Cortex-A8 */
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- armpmu = armv7_a8_pmu_init();
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+ cpu_pmu = armv7_a8_pmu_init();
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break;
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case 0xC090: /* Cortex-A9 */
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- armpmu = armv7_a9_pmu_init();
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+ cpu_pmu = armv7_a9_pmu_init();
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break;
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case 0xC050: /* Cortex-A5 */
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- armpmu = armv7_a5_pmu_init();
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+ cpu_pmu = armv7_a5_pmu_init();
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break;
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case 0xC0F0: /* Cortex-A15 */
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- armpmu = armv7_a15_pmu_init();
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+ cpu_pmu = armv7_a15_pmu_init();
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break;
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}
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/* Intel CPUs [xscale]. */
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@@ -764,19 +764,19 @@ init_hw_perf_events(void)
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part_number = (cpuid >> 13) & 0x7;
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switch (part_number) {
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case 1:
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- armpmu = xscale1pmu_init();
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+ cpu_pmu = xscale1pmu_init();
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break;
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case 2:
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- armpmu = xscale2pmu_init();
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+ cpu_pmu = xscale2pmu_init();
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break;
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}
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}
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- if (armpmu) {
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+ if (cpu_pmu) {
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pr_info("enabled with %s PMU driver, %d counters available\n",
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- armpmu->name, armpmu->num_events);
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- cpu_pmu_init(armpmu);
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- armpmu_register(armpmu, "cpu", PERF_TYPE_RAW);
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+ cpu_pmu->name, cpu_pmu->num_events);
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+ cpu_pmu_init(cpu_pmu);
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+ armpmu_register(cpu_pmu, "cpu", PERF_TYPE_RAW);
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} else {
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pr_info("no hardware support available\n");
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}
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