diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/Kconfig | 4 | ||||
| -rw-r--r-- | arch/sparc/include/asm/perf_counter.h | 14 | ||||
| -rw-r--r-- | arch/sparc/include/asm/perf_event.h | 14 | ||||
| -rw-r--r-- | arch/sparc/include/asm/unistd.h | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/nmi.c | 4 | ||||
| -rw-r--r-- | arch/sparc/kernel/pcr.c | 10 | ||||
| -rw-r--r-- | arch/sparc/kernel/perf_event.c (renamed from arch/sparc/kernel/perf_counter.c) | 178 | ||||
| -rw-r--r-- | arch/sparc/kernel/systbls_32.S | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/systbls_64.S | 4 |
10 files changed, 117 insertions, 117 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 86b82348b97c..97fca4695e0b 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig | |||
| @@ -25,7 +25,7 @@ config SPARC | |||
| 25 | select ARCH_WANT_OPTIONAL_GPIOLIB | 25 | select ARCH_WANT_OPTIONAL_GPIOLIB |
| 26 | select RTC_CLASS | 26 | select RTC_CLASS |
| 27 | select RTC_DRV_M48T59 | 27 | select RTC_DRV_M48T59 |
| 28 | select HAVE_PERF_COUNTERS | 28 | select HAVE_PERF_EVENTS |
| 29 | select HAVE_DMA_ATTRS | 29 | select HAVE_DMA_ATTRS |
| 30 | select HAVE_DMA_API_DEBUG | 30 | select HAVE_DMA_API_DEBUG |
| 31 | 31 | ||
| @@ -47,7 +47,7 @@ config SPARC64 | |||
| 47 | select RTC_DRV_BQ4802 | 47 | select RTC_DRV_BQ4802 |
| 48 | select RTC_DRV_SUN4V | 48 | select RTC_DRV_SUN4V |
| 49 | select RTC_DRV_STARFIRE | 49 | select RTC_DRV_STARFIRE |
| 50 | select HAVE_PERF_COUNTERS | 50 | select HAVE_PERF_EVENTS |
| 51 | 51 | ||
| 52 | config ARCH_DEFCONFIG | 52 | config ARCH_DEFCONFIG |
| 53 | string | 53 | string |
diff --git a/arch/sparc/include/asm/perf_counter.h b/arch/sparc/include/asm/perf_counter.h deleted file mode 100644 index 5d7a8ca0e491..000000000000 --- a/arch/sparc/include/asm/perf_counter.h +++ /dev/null | |||
| @@ -1,14 +0,0 @@ | |||
| 1 | #ifndef __ASM_SPARC_PERF_COUNTER_H | ||
| 2 | #define __ASM_SPARC_PERF_COUNTER_H | ||
| 3 | |||
| 4 | extern void set_perf_counter_pending(void); | ||
| 5 | |||
| 6 | #define PERF_COUNTER_INDEX_OFFSET 0 | ||
| 7 | |||
| 8 | #ifdef CONFIG_PERF_COUNTERS | ||
| 9 | extern void init_hw_perf_counters(void); | ||
| 10 | #else | ||
| 11 | static inline void init_hw_perf_counters(void) { } | ||
| 12 | #endif | ||
| 13 | |||
| 14 | #endif | ||
diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h new file mode 100644 index 000000000000..7e2669894ce8 --- /dev/null +++ b/arch/sparc/include/asm/perf_event.h | |||
| @@ -0,0 +1,14 @@ | |||
| 1 | #ifndef __ASM_SPARC_PERF_EVENT_H | ||
| 2 | #define __ASM_SPARC_PERF_EVENT_H | ||
| 3 | |||
| 4 | extern void set_perf_event_pending(void); | ||
| 5 | |||
| 6 | #define PERF_EVENT_INDEX_OFFSET 0 | ||
| 7 | |||
| 8 | #ifdef CONFIG_PERF_EVENTS | ||
| 9 | extern void init_hw_perf_events(void); | ||
| 10 | #else | ||
| 11 | static inline void init_hw_perf_events(void) { } | ||
| 12 | #endif | ||
| 13 | |||
| 14 | #endif | ||
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index 706df669f3b8..42f2316c3eaa 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h | |||
| @@ -395,7 +395,7 @@ | |||
| 395 | #define __NR_preadv 324 | 395 | #define __NR_preadv 324 |
| 396 | #define __NR_pwritev 325 | 396 | #define __NR_pwritev 325 |
| 397 | #define __NR_rt_tgsigqueueinfo 326 | 397 | #define __NR_rt_tgsigqueueinfo 326 |
| 398 | #define __NR_perf_counter_open 327 | 398 | #define __NR_perf_event_open 327 |
| 399 | 399 | ||
| 400 | #define NR_SYSCALLS 328 | 400 | #define NR_SYSCALLS 328 |
| 401 | 401 | ||
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 247cc620cee5..3a048fad7ee2 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile | |||
| @@ -104,5 +104,5 @@ obj-$(CONFIG_AUDIT) += audit.o | |||
| 104 | audit--$(CONFIG_AUDIT) := compat_audit.o | 104 | audit--$(CONFIG_AUDIT) := compat_audit.o |
| 105 | obj-$(CONFIG_COMPAT) += $(audit--y) | 105 | obj-$(CONFIG_COMPAT) += $(audit--y) |
| 106 | 106 | ||
| 107 | pc--$(CONFIG_PERF_COUNTERS) := perf_counter.o | 107 | pc--$(CONFIG_PERF_EVENTS) := perf_event.o |
| 108 | obj-$(CONFIG_SPARC64) += $(pc--y) | 108 | obj-$(CONFIG_SPARC64) += $(pc--y) |
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index 378eb53e0776..b129611590a4 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c | |||
| @@ -19,7 +19,7 @@ | |||
| 19 | #include <linux/delay.h> | 19 | #include <linux/delay.h> |
| 20 | #include <linux/smp.h> | 20 | #include <linux/smp.h> |
| 21 | 21 | ||
| 22 | #include <asm/perf_counter.h> | 22 | #include <asm/perf_event.h> |
| 23 | #include <asm/ptrace.h> | 23 | #include <asm/ptrace.h> |
| 24 | #include <asm/local.h> | 24 | #include <asm/local.h> |
| 25 | #include <asm/pcr.h> | 25 | #include <asm/pcr.h> |
| @@ -265,7 +265,7 @@ int __init nmi_init(void) | |||
| 265 | } | 265 | } |
| 266 | } | 266 | } |
| 267 | if (!err) | 267 | if (!err) |
| 268 | init_hw_perf_counters(); | 268 | init_hw_perf_events(); |
| 269 | 269 | ||
| 270 | return err; | 270 | return err; |
| 271 | } | 271 | } |
diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c index 68ff00107073..2d94e7a03af5 100644 --- a/arch/sparc/kernel/pcr.c +++ b/arch/sparc/kernel/pcr.c | |||
| @@ -7,7 +7,7 @@ | |||
| 7 | #include <linux/init.h> | 7 | #include <linux/init.h> |
| 8 | #include <linux/irq.h> | 8 | #include <linux/irq.h> |
| 9 | 9 | ||
| 10 | #include <linux/perf_counter.h> | 10 | #include <linux/perf_event.h> |
| 11 | 11 | ||
| 12 | #include <asm/pil.h> | 12 | #include <asm/pil.h> |
| 13 | #include <asm/pcr.h> | 13 | #include <asm/pcr.h> |
| @@ -15,7 +15,7 @@ | |||
| 15 | 15 | ||
| 16 | /* This code is shared between various users of the performance | 16 | /* This code is shared between various users of the performance |
| 17 | * counters. Users will be oprofile, pseudo-NMI watchdog, and the | 17 | * counters. Users will be oprofile, pseudo-NMI watchdog, and the |
| 18 | * perf_counter support layer. | 18 | * perf_event support layer. |
| 19 | */ | 19 | */ |
| 20 | 20 | ||
| 21 | #define PCR_SUN4U_ENABLE (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE) | 21 | #define PCR_SUN4U_ENABLE (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE) |
| @@ -42,14 +42,14 @@ void deferred_pcr_work_irq(int irq, struct pt_regs *regs) | |||
| 42 | 42 | ||
| 43 | old_regs = set_irq_regs(regs); | 43 | old_regs = set_irq_regs(regs); |
| 44 | irq_enter(); | 44 | irq_enter(); |
| 45 | #ifdef CONFIG_PERF_COUNTERS | 45 | #ifdef CONFIG_PERF_EVENTS |
| 46 | perf_counter_do_pending(); | 46 | perf_event_do_pending(); |
| 47 | #endif | 47 | #endif |
| 48 | irq_exit(); | 48 | irq_exit(); |
| 49 | set_irq_regs(old_regs); | 49 | set_irq_regs(old_regs); |
| 50 | } | 50 | } |
| 51 | 51 | ||
| 52 | void set_perf_counter_pending(void) | 52 | void set_perf_event_pending(void) |
| 53 | { | 53 | { |
| 54 | set_softint(1 << PIL_DEFERRED_PCR_WORK); | 54 | set_softint(1 << PIL_DEFERRED_PCR_WORK); |
| 55 | } | 55 | } |
diff --git a/arch/sparc/kernel/perf_counter.c b/arch/sparc/kernel/perf_event.c index b1265ce8a053..2d6a1b10c81d 100644 --- a/arch/sparc/kernel/perf_counter.c +++ b/arch/sparc/kernel/perf_event.c | |||
| @@ -1,8 +1,8 @@ | |||
| 1 | /* Performance counter support for sparc64. | 1 | /* Performance event support for sparc64. |
| 2 | * | 2 | * |
| 3 | * Copyright (C) 2009 David S. Miller <davem@davemloft.net> | 3 | * Copyright (C) 2009 David S. Miller <davem@davemloft.net> |
| 4 | * | 4 | * |
| 5 | * This code is based almost entirely upon the x86 perf counter | 5 | * This code is based almost entirely upon the x86 perf event |
| 6 | * code, which is: | 6 | * code, which is: |
| 7 | * | 7 | * |
| 8 | * Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de> | 8 | * Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de> |
| @@ -12,7 +12,7 @@ | |||
| 12 | * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> | 12 | * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> |
| 13 | */ | 13 | */ |
| 14 | 14 | ||
| 15 | #include <linux/perf_counter.h> | 15 | #include <linux/perf_event.h> |
| 16 | #include <linux/kprobes.h> | 16 | #include <linux/kprobes.h> |
| 17 | #include <linux/kernel.h> | 17 | #include <linux/kernel.h> |
| 18 | #include <linux/kdebug.h> | 18 | #include <linux/kdebug.h> |
| @@ -46,19 +46,19 @@ | |||
| 46 | * normal code. | 46 | * normal code. |
| 47 | */ | 47 | */ |
| 48 | 48 | ||
| 49 | #define MAX_HWCOUNTERS 2 | 49 | #define MAX_HWEVENTS 2 |
| 50 | #define MAX_PERIOD ((1UL << 32) - 1) | 50 | #define MAX_PERIOD ((1UL << 32) - 1) |
| 51 | 51 | ||
| 52 | #define PIC_UPPER_INDEX 0 | 52 | #define PIC_UPPER_INDEX 0 |
| 53 | #define PIC_LOWER_INDEX 1 | 53 | #define PIC_LOWER_INDEX 1 |
| 54 | 54 | ||
| 55 | struct cpu_hw_counters { | 55 | struct cpu_hw_events { |
| 56 | struct perf_counter *counters[MAX_HWCOUNTERS]; | 56 | struct perf_event *events[MAX_HWEVENTS]; |
| 57 | unsigned long used_mask[BITS_TO_LONGS(MAX_HWCOUNTERS)]; | 57 | unsigned long used_mask[BITS_TO_LONGS(MAX_HWEVENTS)]; |
| 58 | unsigned long active_mask[BITS_TO_LONGS(MAX_HWCOUNTERS)]; | 58 | unsigned long active_mask[BITS_TO_LONGS(MAX_HWEVENTS)]; |
| 59 | int enabled; | 59 | int enabled; |
| 60 | }; | 60 | }; |
| 61 | DEFINE_PER_CPU(struct cpu_hw_counters, cpu_hw_counters) = { .enabled = 1, }; | 61 | DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, }; |
| 62 | 62 | ||
| 63 | struct perf_event_map { | 63 | struct perf_event_map { |
| 64 | u16 encoding; | 64 | u16 encoding; |
| @@ -87,9 +87,9 @@ static const struct perf_event_map ultra3i_perfmon_event_map[] = { | |||
| 87 | [PERF_COUNT_HW_CACHE_MISSES] = { 0x0009, PIC_UPPER }, | 87 | [PERF_COUNT_HW_CACHE_MISSES] = { 0x0009, PIC_UPPER }, |
| 88 | }; | 88 | }; |
| 89 | 89 | ||
| 90 | static const struct perf_event_map *ultra3i_event_map(int event) | 90 | static const struct perf_event_map *ultra3i_event_map(int event_id) |
| 91 | { | 91 | { |
| 92 | return &ultra3i_perfmon_event_map[event]; | 92 | return &ultra3i_perfmon_event_map[event_id]; |
| 93 | } | 93 | } |
| 94 | 94 | ||
| 95 | static const struct sparc_pmu ultra3i_pmu = { | 95 | static const struct sparc_pmu ultra3i_pmu = { |
| @@ -111,9 +111,9 @@ static const struct perf_event_map niagara2_perfmon_event_map[] = { | |||
| 111 | [PERF_COUNT_HW_BRANCH_MISSES] = { 0x0202, PIC_UPPER | PIC_LOWER }, | 111 | [PERF_COUNT_HW_BRANCH_MISSES] = { 0x0202, PIC_UPPER | PIC_LOWER }, |
| 112 | }; | 112 | }; |
| 113 | 113 | ||
| 114 | static const struct perf_event_map *niagara2_event_map(int event) | 114 | static const struct perf_event_map *niagara2_event_map(int event_id) |
| 115 | { | 115 | { |
| 116 | return &niagara2_perfmon_event_map[event]; | 116 | return &niagara2_perfmon_event_map[event_id]; |
| 117 | } | 117 | } |
| 118 | 118 | ||
| 119 | static const struct sparc_pmu niagara2_pmu = { | 119 | static const struct sparc_pmu niagara2_pmu = { |
| @@ -130,13 +130,13 @@ static const struct sparc_pmu niagara2_pmu = { | |||
| 130 | 130 | ||
| 131 | static const struct sparc_pmu *sparc_pmu __read_mostly; | 131 | static const struct sparc_pmu *sparc_pmu __read_mostly; |
| 132 | 132 | ||
| 133 | static u64 event_encoding(u64 event, int idx) | 133 | static u64 event_encoding(u64 event_id, int idx) |
| 134 | { | 134 | { |
| 135 | if (idx == PIC_UPPER_INDEX) | 135 | if (idx == PIC_UPPER_INDEX) |
| 136 | event <<= sparc_pmu->upper_shift; | 136 | event_id <<= sparc_pmu->upper_shift; |
| 137 | else | 137 | else |
| 138 | event <<= sparc_pmu->lower_shift; | 138 | event_id <<= sparc_pmu->lower_shift; |
| 139 | return event; | 139 | return event_id; |
| 140 | } | 140 | } |
| 141 | 141 | ||
| 142 | static u64 mask_for_index(int idx) | 142 | static u64 mask_for_index(int idx) |
| @@ -151,7 +151,7 @@ static u64 nop_for_index(int idx) | |||
| 151 | sparc_pmu->lower_nop, idx); | 151 | sparc_pmu->lower_nop, idx); |
| 152 | } | 152 | } |
| 153 | 153 | ||
| 154 | static inline void sparc_pmu_enable_counter(struct hw_perf_counter *hwc, | 154 | static inline void sparc_pmu_enable_event(struct hw_perf_event *hwc, |
| 155 | int idx) | 155 | int idx) |
| 156 | { | 156 | { |
| 157 | u64 val, mask = mask_for_index(idx); | 157 | u64 val, mask = mask_for_index(idx); |
| @@ -160,7 +160,7 @@ static inline void sparc_pmu_enable_counter(struct hw_perf_counter *hwc, | |||
| 160 | pcr_ops->write((val & ~mask) | hwc->config); | 160 | pcr_ops->write((val & ~mask) | hwc->config); |
| 161 | } | 161 | } |
| 162 | 162 | ||
| 163 | static inline void sparc_pmu_disable_counter(struct hw_perf_counter *hwc, | 163 | static inline void sparc_pmu_disable_event(struct hw_perf_event *hwc, |
| 164 | int idx) | 164 | int idx) |
| 165 | { | 165 | { |
| 166 | u64 mask = mask_for_index(idx); | 166 | u64 mask = mask_for_index(idx); |
| @@ -172,7 +172,7 @@ static inline void sparc_pmu_disable_counter(struct hw_perf_counter *hwc, | |||
| 172 | 172 | ||
| 173 | void hw_perf_enable(void) | 173 | void hw_perf_enable(void) |
| 174 | { | 174 | { |
| 175 | struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); | 175 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); |
| 176 | u64 val; | 176 | u64 val; |
| 177 | int i; | 177 | int i; |
| 178 | 178 | ||
| @@ -184,9 +184,9 @@ void hw_perf_enable(void) | |||
| 184 | 184 | ||
| 185 | val = pcr_ops->read(); | 185 | val = pcr_ops->read(); |
| 186 | 186 | ||
| 187 | for (i = 0; i < MAX_HWCOUNTERS; i++) { | 187 | for (i = 0; i < MAX_HWEVENTS; i++) { |
| 188 | struct perf_counter *cp = cpuc->counters[i]; | 188 | struct perf_event *cp = cpuc->events[i]; |
| 189 | struct hw_perf_counter *hwc; | 189 | struct hw_perf_event *hwc; |
| 190 | 190 | ||
| 191 | if (!cp) | 191 | if (!cp) |
| 192 | continue; | 192 | continue; |
| @@ -199,7 +199,7 @@ void hw_perf_enable(void) | |||
| 199 | 199 | ||
| 200 | void hw_perf_disable(void) | 200 | void hw_perf_disable(void) |
| 201 | { | 201 | { |
| 202 | struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); | 202 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); |
| 203 | u64 val; | 203 | u64 val; |
| 204 | 204 | ||
| 205 | if (!cpuc->enabled) | 205 | if (!cpuc->enabled) |
| @@ -241,8 +241,8 @@ static void write_pmc(int idx, u64 val) | |||
| 241 | write_pic(pic); | 241 | write_pic(pic); |
| 242 | } | 242 | } |
| 243 | 243 | ||
| 244 | static int sparc_perf_counter_set_period(struct perf_counter *counter, | 244 | static int sparc_perf_event_set_period(struct perf_event *event, |
| 245 | struct hw_perf_counter *hwc, int idx) | 245 | struct hw_perf_event *hwc, int idx) |
| 246 | { | 246 | { |
| 247 | s64 left = atomic64_read(&hwc->period_left); | 247 | s64 left = atomic64_read(&hwc->period_left); |
| 248 | s64 period = hwc->sample_period; | 248 | s64 period = hwc->sample_period; |
| @@ -268,33 +268,33 @@ static int sparc_perf_counter_set_period(struct perf_counter *counter, | |||
| 268 | 268 | ||
| 269 | write_pmc(idx, (u64)(-left) & 0xffffffff); | 269 | write_pmc(idx, (u64)(-left) & 0xffffffff); |
| 270 | 270 | ||
| 271 | perf_counter_update_userpage(counter); | 271 | perf_event_update_userpage(event); |
| 272 | 272 | ||
| 273 | return ret; | 273 | return ret; |
| 274 | } | 274 | } |
| 275 | 275 | ||
| 276 | static int sparc_pmu_enable(struct perf_counter *counter) | 276 | static int sparc_pmu_enable(struct perf_event *event) |
| 277 | { | 277 | { |
| 278 | struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); | 278 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); |
| 279 | struct hw_perf_counter *hwc = &counter->hw; | 279 | struct hw_perf_event *hwc = &event->hw; |
| 280 | int idx = hwc->idx; | 280 | int idx = hwc->idx; |
| 281 | 281 | ||
| 282 | if (test_and_set_bit(idx, cpuc->used_mask)) | 282 | if (test_and_set_bit(idx, cpuc->used_mask)) |
| 283 | return -EAGAIN; | 283 | return -EAGAIN; |
| 284 | 284 | ||
| 285 | sparc_pmu_disable_counter(hwc, idx); | 285 | sparc_pmu_disable_event(hwc, idx); |
| 286 | 286 | ||
| 287 | cpuc->counters[idx] = counter; | 287 | cpuc->events[idx] = event; |
| 288 | set_bit(idx, cpuc->active_mask); | 288 | set_bit(idx, cpuc->active_mask); |
| 289 | 289 | ||
| 290 | sparc_perf_counter_set_period(counter, hwc, idx); | 290 | sparc_perf_event_set_period(event, hwc, idx); |
| 291 | sparc_pmu_enable_counter(hwc, idx); | 291 | sparc_pmu_enable_event(hwc, idx); |
| 292 | perf_counter_update_userpage(counter); | 292 | perf_event_update_userpage(event); |
| 293 | return 0; | 293 | return 0; |
| 294 | } | 294 | } |
| 295 | 295 | ||
| 296 | static u64 sparc_perf_counter_update(struct perf_counter *counter, | 296 | static u64 sparc_perf_event_update(struct perf_event *event, |
| 297 | struct hw_perf_counter *hwc, int idx) | 297 | struct hw_perf_event *hwc, int idx) |
| 298 | { | 298 | { |
| 299 | int shift = 64 - 32; | 299 | int shift = 64 - 32; |
| 300 | u64 prev_raw_count, new_raw_count; | 300 | u64 prev_raw_count, new_raw_count; |
| @@ -311,79 +311,79 @@ again: | |||
| 311 | delta = (new_raw_count << shift) - (prev_raw_count << shift); | 311 | delta = (new_raw_count << shift) - (prev_raw_count << shift); |
| 312 | delta >>= shift; | 312 | delta >>= shift; |
| 313 | 313 | ||
| 314 | atomic64_add(delta, &counter->count); | 314 | atomic64_add(delta, &event->count); |
| 315 | atomic64_sub(delta, &hwc->period_left); | 315 | atomic64_sub(delta, &hwc->period_left); |
| 316 | 316 | ||
| 317 | return new_raw_count; | 317 | return new_raw_count; |
| 318 | } | 318 | } |
| 319 | 319 | ||
| 320 | static void sparc_pmu_disable(struct perf_counter *counter) | 320 | static void sparc_pmu_disable(struct perf_event *event) |
| 321 | { | 321 | { |
| 322 | struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); | 322 | struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); |
| 323 | struct hw_perf_counter *hwc = &counter->hw; | 323 | struct hw_perf_event *hwc = &event->hw; |
| 324 | int idx = hwc->idx; | 324 | int idx = hwc->idx; |
| 325 | 325 | ||
| 326 | clear_bit(idx, cpuc->active_mask); | 326 | clear_bit(idx, cpuc->active_mask); |
| 327 | sparc_pmu_disable_counter(hwc, idx); | 327 | sparc_pmu_disable_event(hwc, idx); |
| 328 | 328 | ||
| 329 | barrier(); | 329 | barrier(); |
| 330 | 330 | ||
| 331 | sparc_perf_counter_update(counter, hwc, idx); | 331 | sparc_perf_event_update(event, hwc, idx); |
| 332 | cpuc->counters[idx] = NULL; | 332 | cpuc->events[idx] = NULL; |
| 333 | clear_bit(idx, cpuc->used_mask); | 333 | clear_bit(idx, cpuc->used_mask); |
| 334 | 334 | ||
| 335 | perf_counter_update_userpage(counter); | 335 | perf_event_update_userpage(event); |
| 336 | } | 336 | } |
| 337 | 337 | ||
| 338 | static void sparc_pmu_read(struct perf_counter *counter) | 338 | static void sparc_pmu_read(struct perf_event *event) |
| 339 | { | 339 | { |
| 340 | struct hw_perf_counter *hwc = &counter->hw; | 340 | struct hw_perf_event *hwc = &event->hw; |
| 341 | sparc_perf_counter_update(counter, hwc, hwc->idx); | 341 | sparc_perf_event_update(event, hwc, hwc->idx); |
| 342 | } | 342 | } |
| 343 | 343 | ||
| 344 | static void sparc_pmu_unthrottle(struct perf_counter *counter) | 344 | static void sparc_pmu_unthrottle(struct perf_event *event) |
| 345 | { | 345 | { |
| 346 | struct hw_perf_counter *hwc = &counter->hw; | 346 | struct hw_perf_event *hwc = &event->hw; |
| 347 | sparc_pmu_enable_counter(hwc, hwc->idx); | 347 | sparc_pmu_enable_event(hwc, hwc->idx); |
| 348 | } | 348 | } |
| 349 | 349 | ||
| 350 | static atomic_t active_counters = ATOMIC_INIT(0); | 350 | static atomic_t active_events = ATOMIC_INIT(0); |
| 351 | static DEFINE_MUTEX(pmc_grab_mutex); | 351 | static DEFINE_MUTEX(pmc_grab_mutex); |
| 352 | 352 | ||
| 353 | void perf_counter_grab_pmc(void) | 353 | void perf_event_grab_pmc(void) |
| 354 | { | 354 | { |
| 355 | if (atomic_inc_not_zero(&active_counters)) | 355 | if (atomic_inc_not_zero(&active_events)) |
| 356 | return; | 356 | return; |
| 357 | 357 | ||
| 358 | mutex_lock(&pmc_grab_mutex); | 358 | mutex_lock(&pmc_grab_mutex); |
| 359 | if (atomic_read(&active_counters) == 0) { | 359 | if (atomic_read(&active_events) == 0) { |
| 360 | if (atomic_read(&nmi_active) > 0) { | 360 | if (atomic_read(&nmi_active) > 0) { |
| 361 | on_each_cpu(stop_nmi_watchdog, NULL, 1); | 361 | on_each_cpu(stop_nmi_watchdog, NULL, 1); |
| 362 | BUG_ON(atomic_read(&nmi_active) != 0); | 362 | BUG_ON(atomic_read(&nmi_active) != 0); |
| 363 | } | 363 | } |
| 364 | atomic_inc(&active_counters); | 364 | atomic_inc(&active_events); |
| 365 | } | 365 | } |
| 366 | mutex_unlock(&pmc_grab_mutex); | 366 | mutex_unlock(&pmc_grab_mutex); |
| 367 | } | 367 | } |
| 368 | 368 | ||
| 369 | void perf_counter_release_pmc(void) | 369 | void perf_event_release_pmc(void) |
| 370 | { | 370 | { |
| 371 | if (atomic_dec_and_mutex_lock(&active_counters, &pmc_grab_mutex)) { | 371 | if (atomic_dec_and_mutex_lock(&active_events, &pmc_grab_mutex)) { |
| 372 | if (atomic_read(&nmi_active) == 0) | 372 | if (atomic_read(&nmi_active) == 0) |
| 373 | on_each_cpu(start_nmi_watchdog, NULL, 1); | 373 | on_each_cpu(start_nmi_watchdog, NULL, 1); |
| 374 | mutex_unlock(&pmc_grab_mutex); | 374 | mutex_unlock(&pmc_grab_mutex); |
| 375 | } | 375 | } |
| 376 | } | 376 | } |
| 377 | 377 | ||
| 378 | static void hw_perf_counter_destroy(struct perf_counter *counter) | 378 | static void hw_perf_event_destroy(struct perf_event *event) |
| 379 | { | 379 | { |
| 380 | perf_counter_release_pmc(); | 380 | perf_event_release_pmc(); |
| 381 | } | 381 | } |
| 382 | 382 | ||
| 383 | static int __hw_perf_counter_init(struct perf_counter *counter) | 383 | static int __hw_perf_event_init(struct perf_event *event) |
| 384 | { | 384 | { |
| 385 | struct perf_counter_attr *attr = &counter->attr; | 385 | struct perf_event_attr *attr = &event->attr; |
| 386 | struct hw_perf_counter *hwc = &counter->hw; | 386 | struct hw_perf_event *hwc = &event->hw; |
| 387 | const struct perf_event_map *pmap; | 387 | const struct perf_event_map *pmap; |
| 388 | u64 enc; | 388 | u64 enc; |
| 389 | 389 | ||
| @@ -396,8 +396,8 @@ static int __hw_perf_counter_init(struct perf_counter *counter) | |||
| 396 | if (attr->config >= sparc_pmu->max_events) | 396 | if (attr->config >= sparc_pmu->max_events) |
| 397 | return -EINVAL; | 397 | return -EINVAL; |
| 398 | 398 | ||
| 399 | perf_counter_grab_pmc(); | 399 | perf_event_grab_pmc(); |
| 400 | counter->destroy = hw_perf_counter_destroy; | 400 | event->destroy = hw_perf_event_destroy; |
| 401 | 401 | ||
| 402 | /* We save the enable bits in the config_base. So to | 402 | /* We save the enable bits in the config_base. So to |
| 403 | * turn off sampling just write 'config', and to enable | 403 | * turn off sampling just write 'config', and to enable |
| @@ -439,16 +439,16 @@ static const struct pmu pmu = { | |||
| 439 | .unthrottle = sparc_pmu_unthrottle, | 439 | .unthrottle = sparc_pmu_unthrottle, |
| 440 | }; | 440 | }; |
| 441 | 441 | ||
| 442 | const struct pmu *hw_perf_counter_init(struct perf_counter *counter) | 442 | const struct pmu *hw_perf_event_init(struct perf_event *event) |
| 443 | { | 443 | { |
| 444 | int err = __hw_perf_counter_init(counter); | 444 | int err = __hw_perf_event_init(event); |
| 445 | 445 | ||
| 446 | if (err) | 446 | if (err) |
| 447 | return ERR_PTR(err); | 447 | return ERR_PTR(err); |
| 448 | return &pmu; | 448 | return &pmu; |
| 449 | } | 449 | } |
| 450 | 450 | ||
| 451 | void perf_counter_print_debug(void) | 451 | void perf_event_print_debug(void) |
| 452 | { | 452 | { |
| 453 | unsigned long flags; | 453 | unsigned long flags; |
| 454 | u64 pcr, pic; | 454 | u64 pcr, pic; |
| @@ -471,16 +471,16 @@ void perf_counter_print_debug(void) | |||
| 471 | local_irq_restore(flags); | 471 | local_irq_restore(flags); |
| 472 | } | 472 | } |
| 473 | 473 | ||
| 474 | static int __kprobes perf_counter_nmi_handler(struct notifier_block *self, | 474 | static int __kprobes perf_event_nmi_handler(struct notifier_block *self, |
| 475 | unsigned long cmd, void *__args) | 475 | unsigned long cmd, void *__args) |
| 476 | { | 476 | { |
| 477 | struct die_args *args = __args; | 477 | struct die_args *args = __args; |
| 478 | struct perf_sample_data data; | 478 | struct perf_sample_data data; |
| 479 | struct cpu_hw_counters *cpuc; | 479 | struct cpu_hw_events *cpuc; |
| 480 | struct pt_regs *regs; | 480 | struct pt_regs *regs; |
| 481 | int idx; | 481 | int idx; |
| 482 | 482 | ||
| 483 | if (!atomic_read(&active_counters)) | 483 | if (!atomic_read(&active_events)) |
| 484 | return NOTIFY_DONE; | 484 | return NOTIFY_DONE; |
| 485 | 485 | ||
| 486 | switch (cmd) { | 486 | switch (cmd) { |
| @@ -495,32 +495,32 @@ static int __kprobes perf_counter_nmi_handler(struct notifier_block *self, | |||
| 495 | 495 | ||
| 496 | data.addr = 0; | 496 | data.addr = 0; |
| 497 | 497 | ||
| 498 | cpuc = &__get_cpu_var(cpu_hw_counters); | 498 | cpuc = &__get_cpu_var(cpu_hw_events); |
| 499 | for (idx = 0; idx < MAX_HWCOUNTERS; idx++) { | 499 | for (idx = 0; idx < MAX_HWEVENTS; idx++) { |
| 500 | struct perf_counter *counter = cpuc->counters[idx]; | 500 | struct perf_event *event = cpuc->events[idx]; |
| 501 | struct hw_perf_counter *hwc; | 501 | struct hw_perf_event *hwc; |
| 502 | u64 val; | 502 | u64 val; |
| 503 | 503 | ||
| 504 | if (!test_bit(idx, cpuc->active_mask)) | 504 | if (!test_bit(idx, cpuc->active_mask)) |
| 505 | continue; | 505 | continue; |
| 506 | hwc = &counter->hw; | 506 | hwc = &event->hw; |
| 507 | val = sparc_perf_counter_update(counter, hwc, idx); | 507 | val = sparc_perf_event_update(event, hwc, idx); |
| 508 | if (val & (1ULL << 31)) | 508 | if (val & (1ULL << 31)) |
| 509 | continue; | 509 | continue; |
| 510 | 510 | ||
| 511 | data.period = counter->hw.last_period; | 511 | data.period = event->hw.last_period; |
| 512 | if (!sparc_perf_counter_set_period(counter, hwc, idx)) | 512 | if (!sparc_perf_event_set_period(event, hwc, idx)) |
| 513 | continue; | 513 | continue; |
| 514 | 514 | ||
| 515 | if (perf_counter_overflow(counter, 1, &data, regs)) | 515 | if (perf_event_overflow(event, 1, &data, regs)) |
| 516 | sparc_pmu_disable_counter(hwc, idx); | 516 | sparc_pmu_disable_event(hwc, idx); |
| 517 | } | 517 | } |
| 518 | 518 | ||
| 519 | return NOTIFY_STOP; | 519 | return NOTIFY_STOP; |
| 520 | } | 520 | } |
| 521 | 521 | ||
| 522 | static __read_mostly struct notifier_block perf_counter_nmi_notifier = { | 522 | static __read_mostly struct notifier_block perf_event_nmi_notifier = { |
| 523 | .notifier_call = perf_counter_nmi_handler, | 523 | .notifier_call = perf_event_nmi_handler, |
| 524 | }; | 524 | }; |
| 525 | 525 | ||
| 526 | static bool __init supported_pmu(void) | 526 | static bool __init supported_pmu(void) |
| @@ -536,9 +536,9 @@ static bool __init supported_pmu(void) | |||
| 536 | return false; | 536 | return false; |
| 537 | } | 537 | } |
| 538 | 538 | ||
| 539 | void __init init_hw_perf_counters(void) | 539 | void __init init_hw_perf_events(void) |
| 540 | { | 540 | { |
| 541 | pr_info("Performance counters: "); | 541 | pr_info("Performance events: "); |
| 542 | 542 | ||
| 543 | if (!supported_pmu()) { | 543 | if (!supported_pmu()) { |
| 544 | pr_cont("No support for PMU type '%s'\n", sparc_pmu_type); | 544 | pr_cont("No support for PMU type '%s'\n", sparc_pmu_type); |
| @@ -547,10 +547,10 @@ void __init init_hw_perf_counters(void) | |||
| 547 | 547 | ||
| 548 | pr_cont("Supported PMU type is '%s'\n", sparc_pmu_type); | 548 | pr_cont("Supported PMU type is '%s'\n", sparc_pmu_type); |
| 549 | 549 | ||
| 550 | /* All sparc64 PMUs currently have 2 counters. But this simple | 550 | /* All sparc64 PMUs currently have 2 events. But this simple |
| 551 | * driver only supports one active counter at a time. | 551 | * driver only supports one active event at a time. |
| 552 | */ | 552 | */ |
| 553 | perf_max_counters = 1; | 553 | perf_max_events = 1; |
| 554 | 554 | ||
| 555 | register_die_notifier(&perf_counter_nmi_notifier); | 555 | register_die_notifier(&perf_event_nmi_notifier); |
| 556 | } | 556 | } |
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 04181577cb65..0f1658d37490 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S | |||
| @@ -82,5 +82,5 @@ sys_call_table: | |||
| 82 | /*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate | 82 | /*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate |
| 83 | /*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 | 83 | /*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 |
| 84 | /*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv | 84 | /*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv |
| 85 | /*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_counter_open | 85 | /*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open |
| 86 | 86 | ||
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 91b06b7f7acf..009825f6e73c 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S | |||
| @@ -83,7 +83,7 @@ sys_call_table32: | |||
| 83 | /*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate | 83 | /*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate |
| 84 | .word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1 | 84 | .word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1 |
| 85 | /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv | 85 | /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv |
| 86 | .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_counter_open | 86 | .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open |
| 87 | 87 | ||
| 88 | #endif /* CONFIG_COMPAT */ | 88 | #endif /* CONFIG_COMPAT */ |
| 89 | 89 | ||
| @@ -158,4 +158,4 @@ sys_call_table: | |||
| 158 | /*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate | 158 | /*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate |
| 159 | .word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 | 159 | .word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 |
| 160 | /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv | 160 | /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv |
| 161 | .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_counter_open | 161 | .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open |
