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 select ARCH_WANT_OPTIONAL_GPIOLIB select RTC_CLASS select RTC_DRV_M48T59 - select HAVE_PERF_COUNTERS + select HAVE_PERF_EVENTS select HAVE_DMA_ATTRS select HAVE_DMA_API_DEBUG @@ -47,7 +47,7 @@ config SPARC64 select RTC_DRV_BQ4802 select RTC_DRV_SUN4V select RTC_DRV_STARFIRE - select HAVE_PERF_COUNTERS + select HAVE_PERF_EVENTS config ARCH_DEFCONFIG 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 @@ -#ifndef __ASM_SPARC_PERF_COUNTER_H -#define __ASM_SPARC_PERF_COUNTER_H - -extern void set_perf_counter_pending(void); - -#define PERF_COUNTER_INDEX_OFFSET 0 - -#ifdef CONFIG_PERF_COUNTERS -extern void init_hw_perf_counters(void); -#else -static inline void init_hw_perf_counters(void) { } -#endif - -#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 @@ +#ifndef __ASM_SPARC_PERF_EVENT_H +#define __ASM_SPARC_PERF_EVENT_H + +extern void set_perf_event_pending(void); + +#define PERF_EVENT_INDEX_OFFSET 0 + +#ifdef CONFIG_PERF_EVENTS +extern void init_hw_perf_events(void); +#else +static inline void init_hw_perf_events(void) { } +#endif + +#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 @@ #define __NR_preadv 324 #define __NR_pwritev 325 #define __NR_rt_tgsigqueueinfo 326 -#define __NR_perf_counter_open 327 +#define __NR_perf_event_open 327 #define NR_SYSCALLS 328 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-$(CONFIG_AUDIT) += audit.o audit--$(CONFIG_AUDIT) := compat_audit.o obj-$(CONFIG_COMPAT) += $(audit--y) -pc--$(CONFIG_PERF_COUNTERS) := perf_counter.o +pc--$(CONFIG_PERF_EVENTS) := perf_event.o obj-$(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 @@ #include <linux/delay.h> #include <linux/smp.h> -#include <asm/perf_counter.h> +#include <asm/perf_event.h> #include <asm/ptrace.h> #include <asm/local.h> #include <asm/pcr.h> @@ -265,7 +265,7 @@ int __init nmi_init(void) } } if (!err) - init_hw_perf_counters(); + init_hw_perf_events(); return err; } 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 @@ #include <linux/init.h> #include <linux/irq.h> -#include <linux/perf_counter.h> +#include <linux/perf_event.h> #include <asm/pil.h> #include <asm/pcr.h> @@ -15,7 +15,7 @@ /* This code is shared between various users of the performance * counters. Users will be oprofile, pseudo-NMI watchdog, and the - * perf_counter support layer. + * perf_event support layer. */ #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) old_regs = set_irq_regs(regs); irq_enter(); -#ifdef CONFIG_PERF_COUNTERS - perf_counter_do_pending(); +#ifdef CONFIG_PERF_EVENTS + perf_event_do_pending(); #endif irq_exit(); set_irq_regs(old_regs); } -void set_perf_counter_pending(void) +void set_perf_event_pending(void) { set_softint(1 << PIL_DEFERRED_PCR_WORK); } 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 @@ -/* Performance counter support for sparc64. +/* Performance event support for sparc64. * * Copyright (C) 2009 David S. Miller <davem@davemloft.net> * - * This code is based almost entirely upon the x86 perf counter + * This code is based almost entirely upon the x86 perf event * code, which is: * * Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de> @@ -12,7 +12,7 @@ * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com> */ -#include <linux/perf_counter.h> +#include <linux/perf_event.h> #include <linux/kprobes.h> #include <linux/kernel.h> #include <linux/kdebug.h> @@ -46,19 +46,19 @@ * normal code. */ -#define MAX_HWCOUNTERS 2 +#define MAX_HWEVENTS 2 #define MAX_PERIOD ((1UL << 32) - 1) #define PIC_UPPER_INDEX 0 #define PIC_LOWER_INDEX 1 -struct cpu_hw_counters { - struct perf_counter *counters[MAX_HWCOUNTERS]; - unsigned long used_mask[BITS_TO_LONGS(MAX_HWCOUNTERS)]; - unsigned long active_mask[BITS_TO_LONGS(MAX_HWCOUNTERS)]; +struct cpu_hw_events { + struct perf_event *events[MAX_HWEVENTS]; + unsigned long used_mask[BITS_TO_LONGS(MAX_HWEVENTS)]; + unsigned long active_mask[BITS_TO_LONGS(MAX_HWEVENTS)]; int enabled; }; -DEFINE_PER_CPU(struct cpu_hw_counters, cpu_hw_counters) = { .enabled = 1, }; +DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, }; struct perf_event_map { u16 encoding; @@ -87,9 +87,9 @@ static const struct perf_event_map ultra3i_perfmon_event_map[] = { [PERF_COUNT_HW_CACHE_MISSES] = { 0x0009, PIC_UPPER }, }; -static const struct perf_event_map *ultra3i_event_map(int event) +static const struct perf_event_map *ultra3i_event_map(int event_id) { - return &ultra3i_perfmon_event_map[event]; + return &ultra3i_perfmon_event_map[event_id]; } static const struct sparc_pmu ultra3i_pmu = { @@ -111,9 +111,9 @@ static const struct perf_event_map niagara2_perfmon_event_map[] = { [PERF_COUNT_HW_BRANCH_MISSES] = { 0x0202, PIC_UPPER | PIC_LOWER }, }; -static const struct perf_event_map *niagara2_event_map(int event) +static const struct perf_event_map *niagara2_event_map(int event_id) { - return &niagara2_perfmon_event_map[event]; + return &niagara2_perfmon_event_map[event_id]; } static const struct sparc_pmu niagara2_pmu = { @@ -130,13 +130,13 @@ static const struct sparc_pmu niagara2_pmu = { static const struct sparc_pmu *sparc_pmu __read_mostly; -static u64 event_encoding(u64 event, int idx) +static u64 event_encoding(u64 event_id, int idx) { if (idx == PIC_UPPER_INDEX) - event <<= sparc_pmu->upper_shift; + event_id <<= sparc_pmu->upper_shift; else - event <<= sparc_pmu->lower_shift; - return event; + event_id <<= sparc_pmu->lower_shift; + return event_id; } static u64 mask_for_index(int idx) @@ -151,7 +151,7 @@ static u64 nop_for_index(int idx) sparc_pmu->lower_nop, idx); } -static inline void sparc_pmu_enable_counter(struct hw_perf_counter *hwc, +static inline void sparc_pmu_enable_event(struct hw_perf_event *hwc, int idx) { u64 val, mask = mask_for_index(idx); @@ -160,7 +160,7 @@ static inline void sparc_pmu_enable_counter(struct hw_perf_counter *hwc, pcr_ops->write((val & ~mask) | hwc->config); } -static inline void sparc_pmu_disable_counter(struct hw_perf_counter *hwc, +static inline void sparc_pmu_disable_event(struct hw_perf_event *hwc, int idx) { u64 mask = mask_for_index(idx); @@ -172,7 +172,7 @@ static inline void sparc_pmu_disable_counter(struct hw_perf_counter *hwc, void hw_perf_enable(void) { - struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); u64 val; int i; @@ -184,9 +184,9 @@ void hw_perf_enable(void) val = pcr_ops->read(); - for (i = 0; i < MAX_HWCOUNTERS; i++) { - struct perf_counter *cp = cpuc->counters[i]; - struct hw_perf_counter *hwc; + for (i = 0; i < MAX_HWEVENTS; i++) { + struct perf_event *cp = cpuc->events[i]; + struct hw_perf_event *hwc; if (!cp) continue; @@ -199,7 +199,7 @@ void hw_perf_enable(void) void hw_perf_disable(void) { - struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); u64 val; if (!cpuc->enabled) @@ -241,8 +241,8 @@ static void write_pmc(int idx, u64 val) write_pic(pic); } -static int sparc_perf_counter_set_period(struct perf_counter *counter, - struct hw_perf_counter *hwc, int idx) +static int sparc_perf_event_set_period(struct perf_event *event, + struct hw_perf_event *hwc, int idx) { s64 left = atomic64_read(&hwc->period_left); s64 period = hwc->sample_period; @@ -268,33 +268,33 @@ static int sparc_perf_counter_set_period(struct perf_counter *counter, write_pmc(idx, (u64)(-left) & 0xffffffff); - perf_counter_update_userpage(counter); + perf_event_update_userpage(event); return ret; } -static int sparc_pmu_enable(struct perf_counter *counter) +static int sparc_pmu_enable(struct perf_event *event) { - struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); - struct hw_perf_counter *hwc = &counter->hw; + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct hw_perf_event *hwc = &event->hw; int idx = hwc->idx; if (test_and_set_bit(idx, cpuc->used_mask)) return -EAGAIN; - sparc_pmu_disable_counter(hwc, idx); + sparc_pmu_disable_event(hwc, idx); - cpuc->counters[idx] = counter; + cpuc->events[idx] = event; set_bit(idx, cpuc->active_mask); - sparc_perf_counter_set_period(counter, hwc, idx); - sparc_pmu_enable_counter(hwc, idx); - perf_counter_update_userpage(counter); + sparc_perf_event_set_period(event, hwc, idx); + sparc_pmu_enable_event(hwc, idx); + perf_event_update_userpage(event); return 0; } -static u64 sparc_perf_counter_update(struct perf_counter *counter, - struct hw_perf_counter *hwc, int idx) +static u64 sparc_perf_event_update(struct perf_event *event, + struct hw_perf_event *hwc, int idx) { int shift = 64 - 32; u64 prev_raw_count, new_raw_count; @@ -311,79 +311,79 @@ again: delta = (new_raw_count << shift) - (prev_raw_count << shift); delta >>= shift; - atomic64_add(delta, &counter->count); + atomic64_add(delta, &event->count); atomic64_sub(delta, &hwc->period_left); return new_raw_count; } -static void sparc_pmu_disable(struct perf_counter *counter) +static void sparc_pmu_disable(struct perf_event *event) { - struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters); - struct hw_perf_counter *hwc = &counter->hw; + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); + struct hw_perf_event *hwc = &event->hw; int idx = hwc->idx; clear_bit(idx, cpuc->active_mask); - sparc_pmu_disable_counter(hwc, idx); + sparc_pmu_disable_event(hwc, idx); barrier(); - sparc_perf_counter_update(counter, hwc, idx); - cpuc->counters[idx] = NULL; + sparc_perf_event_update(event, hwc, idx); + cpuc->events[idx] = NULL; clear_bit(idx, cpuc->used_mask); - perf_counter_update_userpage(counter); + perf_event_update_userpage(event); } -static void sparc_pmu_read(struct perf_counter *counter) +static void sparc_pmu_read(struct perf_event *event) { - struct hw_perf_counter *hwc = &counter->hw; - sparc_perf_counter_update(counter, hwc, hwc->idx); + struct hw_perf_event *hwc = &event->hw; + sparc_perf_event_update(event, hwc, hwc->idx); } -static void sparc_pmu_unthrottle(struct perf_counter *counter) +static void sparc_pmu_unthrottle(struct perf_event *event) { - struct hw_perf_counter *hwc = &counter->hw; - sparc_pmu_enable_counter(hwc, hwc->idx); + struct hw_perf_event *hwc = &event->hw; + sparc_pmu_enable_event(hwc, hwc->idx); } -static atomic_t active_counters = ATOMIC_INIT(0); +static atomic_t active_events = ATOMIC_INIT(0); static DEFINE_MUTEX(pmc_grab_mutex); -void perf_counter_grab_pmc(void) +void perf_event_grab_pmc(void) { - if (atomic_inc_not_zero(&active_counters)) + if (atomic_inc_not_zero(&active_events)) return; mutex_lock(&pmc_grab_mutex); - if (atomic_read(&active_counters) == 0) { + if (atomic_read(&active_events) == 0) { if (atomic_read(&nmi_active) > 0) { on_each_cpu(stop_nmi_watchdog, NULL, 1); BUG_ON(atomic_read(&nmi_active) != 0); } - atomic_inc(&active_counters); + atomic_inc(&active_events); } mutex_unlock(&pmc_grab_mutex); } -void perf_counter_release_pmc(void) +void perf_event_release_pmc(void) { - if (atomic_dec_and_mutex_lock(&active_counters, &pmc_grab_mutex)) { + if (atomic_dec_and_mutex_lock(&active_events, &pmc_grab_mutex)) { if (atomic_read(&nmi_active) == 0) on_each_cpu(start_nmi_watchdog, NULL, 1); mutex_unlock(&pmc_grab_mutex); } } -static void hw_perf_counter_destroy(struct perf_counter *counter) +static void hw_perf_event_destroy(struct perf_event *event) { - perf_counter_release_pmc(); + perf_event_release_pmc(); } -static int __hw_perf_counter_init(struct perf_counter *counter) +static int __hw_perf_event_init(struct perf_event *event) { - struct perf_counter_attr *attr = &counter->attr; - struct hw_perf_counter *hwc = &counter->hw; + struct perf_event_attr *attr = &event->attr; + struct hw_perf_event *hwc = &event->hw; const struct perf_event_map *pmap; u64 enc; @@ -396,8 +396,8 @@ static int __hw_perf_counter_init(struct perf_counter *counter) if (attr->config >= sparc_pmu->max_events) return -EINVAL; - perf_counter_grab_pmc(); - counter->destroy = hw_perf_counter_destroy; + perf_event_grab_pmc(); + event->destroy = hw_perf_event_destroy; /* We save the enable bits in the config_base. So to * turn off sampling just write 'config', and to enable @@ -439,16 +439,16 @@ static const struct pmu pmu = { .unthrottle = sparc_pmu_unthrottle, }; -const struct pmu *hw_perf_counter_init(struct perf_counter *counter) +const struct pmu *hw_perf_event_init(struct perf_event *event) { - int err = __hw_perf_counter_init(counter); + int err = __hw_perf_event_init(event); if (err) return ERR_PTR(err); return &pmu; } -void perf_counter_print_debug(void) +void perf_event_print_debug(void) { unsigned long flags; u64 pcr, pic; @@ -471,16 +471,16 @@ void perf_counter_print_debug(void) local_irq_restore(flags); } -static int __kprobes perf_counter_nmi_handler(struct notifier_block *self, +static int __kprobes perf_event_nmi_handler(struct notifier_block *self, unsigned long cmd, void *__args) { struct die_args *args = __args; struct perf_sample_data data; - struct cpu_hw_counters *cpuc; + struct cpu_hw_events *cpuc; struct pt_regs *regs; int idx; - if (!atomic_read(&active_counters)) + if (!atomic_read(&active_events)) return NOTIFY_DONE; switch (cmd) { @@ -495,32 +495,32 @@ static int __kprobes perf_counter_nmi_handler(struct notifier_block *self, data.addr = 0; - cpuc = &__get_cpu_var(cpu_hw_counters); - for (idx = 0; idx < MAX_HWCOUNTERS; idx++) { - struct perf_counter *counter = cpuc->counters[idx]; - struct hw_perf_counter *hwc; + cpuc = &__get_cpu_var(cpu_hw_events); + for (idx = 0; idx < MAX_HWEVENTS; idx++) { + struct perf_event *event = cpuc->events[idx]; + struct hw_perf_event *hwc; u64 val; if (!test_bit(idx, cpuc->active_mask)) continue; - hwc = &counter->hw; - val = sparc_perf_counter_update(counter, hwc, idx); + hwc = &event->hw; + val = sparc_perf_event_update(event, hwc, idx); if (val & (1ULL << 31)) continue; - data.period = counter->hw.last_period; - if (!sparc_perf_counter_set_period(counter, hwc, idx)) + data.period = event->hw.last_period; + if (!sparc_perf_event_set_period(event, hwc, idx)) continue; - if (perf_counter_overflow(counter, 1, &data, regs)) - sparc_pmu_disable_counter(hwc, idx); + if (perf_event_overflow(event, 1, &data, regs)) + sparc_pmu_disable_event(hwc, idx); } return NOTIFY_STOP; } -static __read_mostly struct notifier_block perf_counter_nmi_notifier = { - .notifier_call = perf_counter_nmi_handler, +static __read_mostly struct notifier_block perf_event_nmi_notifier = { + .notifier_call = perf_event_nmi_handler, }; static bool __init supported_pmu(void) @@ -536,9 +536,9 @@ static bool __init supported_pmu(void) return false; } -void __init init_hw_perf_counters(void) +void __init init_hw_perf_events(void) { - pr_info("Performance counters: "); + pr_info("Performance events: "); if (!supported_pmu()) { pr_cont("No support for PMU type '%s'\n", sparc_pmu_type); @@ -547,10 +547,10 @@ void __init init_hw_perf_counters(void) pr_cont("Supported PMU type is '%s'\n", sparc_pmu_type); - /* All sparc64 PMUs currently have 2 counters. But this simple - * driver only supports one active counter at a time. + /* All sparc64 PMUs currently have 2 events. But this simple + * driver only supports one active event at a time. */ - perf_max_counters = 1; + perf_max_events = 1; - register_die_notifier(&perf_counter_nmi_notifier); + register_die_notifier(&perf_event_nmi_notifier); } 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: /*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate /*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 /*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv -/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_counter_open +/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open 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: /*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate .word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1 /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv - .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_counter_open + .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open #endif /* CONFIG_COMPAT */ @@ -158,4 +158,4 @@ sys_call_table: /*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate .word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1 /*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv - .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_counter_open + .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open |