diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 7 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/perf_counter.c | 60 | ||||
| -rw-r--r-- | arch/x86/kernel/cpuid.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/microcode_core.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/msr.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/process.c | 25 | ||||
| -rw-r--r-- | arch/x86/kernel/traps.c | 1 | ||||
| -rw-r--r-- | arch/x86/mm/kmemcheck/shadow.c | 1 |
8 files changed, 50 insertions, 54 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index 7bb676c533aa..7d5c3b0ea8da 100644 --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -33,7 +33,7 @@ #include <linux/cpufreq.h> #include <linux/compiler.h> #include <linux/dmi.h> -#include <trace/power.h> +#include <trace/events/power.h> #include <linux/acpi.h> #include <linux/io.h> @@ -72,8 +72,6 @@ static DEFINE_PER_CPU(struct acpi_cpufreq_data *, drv_data); static DEFINE_PER_CPU(struct aperfmperf, old_perf); -DEFINE_TRACE(power_mark); - /* acpi_perf_data is a pointer to percpu data. */ static struct acpi_processor_performance *acpi_perf_data; @@ -332,7 +330,6 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, unsigned int next_perf_state = 0; /* Index into perf table */ unsigned int i; int result = 0; - struct power_trace it; dprintk("acpi_cpufreq_target %d (%d)\n", target_freq, policy->cpu); @@ -364,7 +361,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, } } - trace_power_mark(&it, POWER_PSTATE, next_perf_state); + trace_power_frequency(POWER_PSTATE, data->freq_table[next_state].frequency); switch (data->cpu_feature) { case SYSTEM_INTEL_MSR_CAPABLE: diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c index 2732e2c1e4d3..dbdf712fae9e 100644 --- a/arch/x86/kernel/cpu/perf_counter.c +++ b/arch/x86/kernel/cpu/perf_counter.c @@ -36,10 +36,10 @@ static u64 perf_counter_mask __read_mostly; #define BTS_RECORD_SIZE 24 /* The size of a per-cpu BTS buffer in bytes: */ -#define BTS_BUFFER_SIZE (BTS_RECORD_SIZE * 1024) +#define BTS_BUFFER_SIZE (BTS_RECORD_SIZE * 2048) /* The BTS overflow threshold in bytes from the end of the buffer: */ -#define BTS_OVFL_TH (BTS_RECORD_SIZE * 64) +#define BTS_OVFL_TH (BTS_RECORD_SIZE * 128) /* @@ -1488,8 +1488,7 @@ void perf_counter_print_debug(void) local_irq_restore(flags); } -static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc, - struct perf_sample_data *data) +static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc) { struct debug_store *ds = cpuc->ds; struct bts_record { @@ -1498,8 +1497,11 @@ static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc, u64 flags; }; struct perf_counter *counter = cpuc->counters[X86_PMC_IDX_FIXED_BTS]; - unsigned long orig_ip = data->regs->ip; struct bts_record *at, *top; + struct perf_output_handle handle; + struct perf_event_header header; + struct perf_sample_data data; + struct pt_regs regs; if (!counter) return; @@ -1510,19 +1512,38 @@ static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc, at = (struct bts_record *)(unsigned long)ds->bts_buffer_base; top = (struct bts_record *)(unsigned long)ds->bts_index; + if (top <= at) + return; + ds->bts_index = ds->bts_buffer_base; + + data.period = counter->hw.last_period; + data.addr = 0; + regs.ip = 0; + + /* + * Prepare a generic sample, i.e. fill in the invariant fields. + * We will overwrite the from and to address before we output + * the sample. + */ + perf_prepare_sample(&header, &data, counter, ®s); + + if (perf_output_begin(&handle, counter, + header.size * (top - at), 1, 1)) + return; + for (; at < top; at++) { - data->regs->ip = at->from; - data->addr = at->to; + data.ip = at->from; + data.addr = at->to; - perf_counter_output(counter, 1, data); + perf_output_sample(&handle, &header, &data, counter); } - data->regs->ip = orig_ip; - data->addr = 0; + perf_output_end(&handle); /* There's new data available. */ + counter->hw.interrupts++; counter->pending_kill = POLL_IN; } @@ -1552,13 +1573,9 @@ static void x86_pmu_disable(struct perf_counter *counter) x86_perf_counter_update(counter, hwc, idx); /* Drain the remaining BTS records. */ - if (unlikely(idx == X86_PMC_IDX_FIXED_BTS)) { - struct perf_sample_data data; - struct pt_regs regs; + if (unlikely(idx == X86_PMC_IDX_FIXED_BTS)) + intel_pmu_drain_bts_buffer(cpuc); - data.regs = ®s; - intel_pmu_drain_bts_buffer(cpuc, &data); - } cpuc->counters[idx] = NULL; clear_bit(idx, cpuc->used_mask); @@ -1619,7 +1636,6 @@ static int p6_pmu_handle_irq(struct pt_regs *regs) int idx, handled = 0; u64 val; - data.regs = regs; data.addr = 0; cpuc = &__get_cpu_var(cpu_hw_counters); @@ -1644,7 +1660,7 @@ static int p6_pmu_handle_irq(struct pt_regs *regs) if (!x86_perf_counter_set_period(counter, hwc, idx)) continue; - if (perf_counter_overflow(counter, 1, &data)) + if (perf_counter_overflow(counter, 1, &data, regs)) p6_pmu_disable_counter(hwc, idx); } @@ -1665,13 +1681,12 @@ static int intel_pmu_handle_irq(struct pt_regs *regs) int bit, loops; u64 ack, status; - data.regs = regs; data.addr = 0; cpuc = &__get_cpu_var(cpu_hw_counters); perf_disable(); - intel_pmu_drain_bts_buffer(cpuc, &data); + intel_pmu_drain_bts_buffer(cpuc); status = intel_pmu_get_status(); if (!status) { perf_enable(); @@ -1702,7 +1717,7 @@ again: data.period = counter->hw.last_period; - if (perf_counter_overflow(counter, 1, &data)) + if (perf_counter_overflow(counter, 1, &data, regs)) intel_pmu_disable_counter(&counter->hw, bit); } @@ -1729,7 +1744,6 @@ static int amd_pmu_handle_irq(struct pt_regs *regs) int idx, handled = 0; u64 val; - data.regs = regs; data.addr = 0; cpuc = &__get_cpu_var(cpu_hw_counters); @@ -1754,7 +1768,7 @@ static int amd_pmu_handle_irq(struct pt_regs *regs) if (!x86_perf_counter_set_period(counter, hwc, idx)) continue; - if (perf_counter_overflow(counter, 1, &data)) + if (perf_counter_overflow(counter, 1, &data, regs)) amd_pmu_disable_counter(hwc, idx); } diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index b07af8861244..6a52d4b36a30 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -182,7 +182,7 @@ static struct notifier_block __refdata cpuid_class_cpu_notifier = .notifier_call = cpuid_class_cpu_callback, }; -static char *cpuid_nodename(struct device *dev) +static char *cpuid_devnode(struct device *dev, mode_t *mode) { return kasprintf(GFP_KERNEL, "cpu/%u/cpuid", MINOR(dev->devt)); } @@ -203,7 +203,7 @@ static int __init cpuid_init(void) err = PTR_ERR(cpuid_class); goto out_chrdev; } - cpuid_class->nodename = cpuid_nodename; + cpuid_class->devnode = cpuid_devnode; for_each_online_cpu(i) { err = cpuid_device_create(i); if (err != 0) diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c index 9371448290ac..0db7969b0dde 100644 --- a/arch/x86/kernel/microcode_core.c +++ b/arch/x86/kernel/microcode_core.c @@ -236,7 +236,7 @@ static const struct file_operations microcode_fops = { static struct miscdevice microcode_dev = { .minor = MICROCODE_MINOR, .name = "microcode", - .devnode = "cpu/microcode", + .nodename = "cpu/microcode", .fops = µcode_fops, }; diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c index 7dd950094178..6a3cefc7dda1 100644 --- a/arch/x86/kernel/msr.c +++ b/arch/x86/kernel/msr.c @@ -241,7 +241,7 @@ static struct notifier_block __refdata msr_class_cpu_notifier = { .notifier_call = msr_class_cpu_callback, }; -static char *msr_nodename(struct device *dev) +static char *msr_devnode(struct device *dev, mode_t *mode) { return kasprintf(GFP_KERNEL, "cpu/%u/msr", MINOR(dev->devt)); } @@ -262,7 +262,7 @@ static int __init msr_init(void) err = PTR_ERR(msr_class); goto out_chrdev; } - msr_class->nodename = msr_nodename; + msr_class->devnode = msr_devnode; for_each_online_cpu(i) { err = msr_device_create(i); if (err != 0) diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 071166a4ba83..847ab4160315 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -9,7 +9,7 @@ #include <linux/pm.h> #include <linux/clockchips.h> #include <linux/random.h> -#include <trace/power.h> +#include <trace/events/power.h> #include <asm/system.h> #include <asm/apic.h> #include <asm/syscalls.h> @@ -25,9 +25,6 @@ EXPORT_SYMBOL(idle_nomwait); struct kmem_cache *task_xstate_cachep; -DEFINE_TRACE(power_start); -DEFINE_TRACE(power_end); - int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) { *dst = *src; @@ -299,9 +296,7 @@ static inline int hlt_use_halt(void) void default_idle(void) { if (hlt_use_halt()) { - struct power_trace it; - - trace_power_start(&it, POWER_CSTATE, 1); + trace_power_start(POWER_CSTATE, 1); current_thread_info()->status &= ~TS_POLLING; /* * TS_POLLING-cleared state must be visible before we @@ -314,7 +309,6 @@ void default_idle(void) else local_irq_enable(); current_thread_info()->status |= TS_POLLING; - trace_power_end(&it); } else { local_irq_enable(); /* loop is done by the caller */ @@ -372,9 +366,7 @@ EXPORT_SYMBOL_GPL(cpu_idle_wait); */ void mwait_idle_with_hints(unsigned long ax, unsigned long cx) { - struct power_trace it; - - trace_power_start(&it, POWER_CSTATE, (ax>>4)+1); + trace_power_start(POWER_CSTATE, (ax>>4)+1); if (!need_resched()) { if (cpu_has(¤t_cpu_data, X86_FEATURE_CLFLUSH_MONITOR)) clflush((void *)¤t_thread_info()->flags); @@ -384,15 +376,13 @@ void mwait_idle_with_hints(unsigned long ax, unsigned long cx) if (!need_resched()) __mwait(ax, cx); } - trace_power_end(&it); } /* Default MONITOR/MWAIT with no hints, used for default C1 state */ static void mwait_idle(void) { - struct power_trace it; if (!need_resched()) { - trace_power_start(&it, POWER_CSTATE, 1); + trace_power_start(POWER_CSTATE, 1); if (cpu_has(¤t_cpu_data, X86_FEATURE_CLFLUSH_MONITOR)) clflush((void *)¤t_thread_info()->flags); @@ -402,7 +392,6 @@ static void mwait_idle(void) __sti_mwait(0, 0); else local_irq_enable(); - trace_power_end(&it); } else local_irq_enable(); } @@ -414,13 +403,11 @@ static void mwait_idle(void) */ static void poll_idle(void) { - struct power_trace it; - - trace_power_start(&it, POWER_CSTATE, 0); + trace_power_start(POWER_CSTATE, 0); local_irq_enable(); while (!need_resched()) cpu_relax(); - trace_power_end(&it); + trace_power_end(0); } /* diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 7dc0de9d1ed9..9346e102338d 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -65,7 +65,6 @@ #else #include <asm/processor-flags.h> #include <asm/setup.h> -#include <asm/traps.h> asmlinkage int system_call(void); diff --git a/arch/x86/mm/kmemcheck/shadow.c b/arch/x86/mm/kmemcheck/shadow.c index e773b6bd0079..3f66b82076a3 100644 --- a/arch/x86/mm/kmemcheck/shadow.c +++ b/arch/x86/mm/kmemcheck/shadow.c @@ -1,7 +1,6 @@ #include <linux/kmemcheck.h> #include <linux/module.h> #include <linux/mm.h> -#include <linux/module.h> #include <asm/page.h> #include <asm/pgtable.h> |