perf events: Clean up definitions and initializers, update copyrights
Fix a few inconsistent style bits that were added over the past few months. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-yv4hwf9yhnzoada8pcpb3a97@git.kernel.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Ingo Molnar
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@ -2,8 +2,8 @@
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* Performance events:
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*
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* Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de>
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* Copyright (C) 2008-2009, Red Hat, Inc., Ingo Molnar
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* Copyright (C) 2008-2009, Red Hat, Inc., Peter Zijlstra
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* Copyright (C) 2008-2011, Red Hat, Inc., Ingo Molnar
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* Copyright (C) 2008-2011, Red Hat, Inc., Peter Zijlstra
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*
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* Data type definitions, declarations, prototypes.
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*
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@ -468,9 +468,9 @@ enum perf_callchain_context {
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PERF_CONTEXT_MAX = (__u64)-4095,
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};
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#define PERF_FLAG_FD_NO_GROUP (1U << 0)
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#define PERF_FLAG_FD_OUTPUT (1U << 1)
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#define PERF_FLAG_PID_CGROUP (1U << 2) /* pid=cgroup id, per-cpu mode only */
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#define PERF_FLAG_FD_NO_GROUP (1U << 0)
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#define PERF_FLAG_FD_OUTPUT (1U << 1)
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#define PERF_FLAG_PID_CGROUP (1U << 2) /* pid=cgroup id, per-cpu mode only */
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#ifdef __KERNEL__
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/*
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@ -484,9 +484,9 @@ enum perf_callchain_context {
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#endif
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struct perf_guest_info_callbacks {
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int (*is_in_guest) (void);
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int (*is_user_mode) (void);
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unsigned long (*get_guest_ip) (void);
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int (*is_in_guest)(void);
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int (*is_user_mode)(void);
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unsigned long (*get_guest_ip)(void);
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};
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#ifdef CONFIG_HAVE_HW_BREAKPOINT
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@ -652,19 +652,19 @@ struct pmu {
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* Start the transaction, after this ->add() doesn't need to
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* do schedulability tests.
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*/
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void (*start_txn) (struct pmu *pmu); /* optional */
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void (*start_txn) (struct pmu *pmu); /* optional */
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/*
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* If ->start_txn() disabled the ->add() schedulability test
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* then ->commit_txn() is required to perform one. On success
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* the transaction is closed. On error the transaction is kept
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* open until ->cancel_txn() is called.
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*/
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int (*commit_txn) (struct pmu *pmu); /* optional */
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int (*commit_txn) (struct pmu *pmu); /* optional */
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/*
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* Will cancel the transaction, assumes ->del() is called
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* for each successful ->add() during the transaction.
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*/
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void (*cancel_txn) (struct pmu *pmu); /* optional */
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void (*cancel_txn) (struct pmu *pmu); /* optional */
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};
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/**
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@ -712,15 +712,15 @@ typedef void (*perf_overflow_handler_t)(struct perf_event *, int,
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struct pt_regs *regs);
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enum perf_group_flag {
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PERF_GROUP_SOFTWARE = 0x1,
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PERF_GROUP_SOFTWARE = 0x1,
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};
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#define SWEVENT_HLIST_BITS 8
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#define SWEVENT_HLIST_SIZE (1 << SWEVENT_HLIST_BITS)
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#define SWEVENT_HLIST_BITS 8
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#define SWEVENT_HLIST_SIZE (1 << SWEVENT_HLIST_BITS)
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struct swevent_hlist {
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struct hlist_head heads[SWEVENT_HLIST_SIZE];
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struct rcu_head rcu_head;
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struct hlist_head heads[SWEVENT_HLIST_SIZE];
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struct rcu_head rcu_head;
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};
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#define PERF_ATTACH_CONTEXT 0x01
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@ -733,13 +733,13 @@ struct swevent_hlist {
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* This is a per-cpu dynamically allocated data structure.
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*/
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struct perf_cgroup_info {
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u64 time;
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u64 timestamp;
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u64 time;
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u64 timestamp;
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};
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struct perf_cgroup {
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struct cgroup_subsys_state css;
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struct perf_cgroup_info *info; /* timing info, one per cpu */
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struct cgroup_subsys_state css;
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struct perf_cgroup_info *info; /* timing info, one per cpu */
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};
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#endif
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@ -923,7 +923,7 @@ struct perf_event_context {
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/*
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* Number of contexts where an event can trigger:
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* task, softirq, hardirq, nmi.
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* task, softirq, hardirq, nmi.
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*/
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#define PERF_NR_CONTEXTS 4
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@ -1001,8 +1001,7 @@ struct perf_sample_data {
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struct perf_raw_record *raw;
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};
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static inline
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void perf_sample_data_init(struct perf_sample_data *data, u64 addr)
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static inline void perf_sample_data_init(struct perf_sample_data *data, u64 addr)
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{
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data->addr = addr;
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data->raw = NULL;
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@ -1039,8 +1038,7 @@ extern struct jump_label_key perf_swevent_enabled[PERF_COUNT_SW_MAX];
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extern void __perf_sw_event(u32, u64, int, struct pt_regs *, u64);
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#ifndef perf_arch_fetch_caller_regs
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static inline void
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perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip) { }
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static inline void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip) { }
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#endif
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/*
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@ -1080,8 +1078,7 @@ static inline void perf_event_task_sched_in(struct task_struct *task)
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__perf_event_task_sched_in(task);
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}
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static inline
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void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
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static inline void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
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{
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perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, NULL, 0);
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@ -1099,14 +1096,10 @@ extern void perf_event_fork(struct task_struct *tsk);
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/* Callchains */
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DECLARE_PER_CPU(struct perf_callchain_entry, perf_callchain_entry);
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extern void perf_callchain_user(struct perf_callchain_entry *entry,
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struct pt_regs *regs);
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extern void perf_callchain_kernel(struct perf_callchain_entry *entry,
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struct pt_regs *regs);
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extern void perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs);
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extern void perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs);
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static inline void
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perf_callchain_store(struct perf_callchain_entry *entry, u64 ip)
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static inline void perf_callchain_store(struct perf_callchain_entry *entry, u64 ip)
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{
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if (entry->nr < PERF_MAX_STACK_DEPTH)
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entry->ip[entry->nr++] = ip;
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@ -1142,9 +1135,9 @@ extern void perf_tp_event(u64 addr, u64 count, void *record,
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extern void perf_bp_event(struct perf_event *event, void *data);
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#ifndef perf_misc_flags
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#define perf_misc_flags(regs) (user_mode(regs) ? PERF_RECORD_MISC_USER : \
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PERF_RECORD_MISC_KERNEL)
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#define perf_instruction_pointer(regs) instruction_pointer(regs)
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# define perf_misc_flags(regs) \
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(user_mode(regs) ? PERF_RECORD_MISC_USER : PERF_RECORD_MISC_KERNEL)
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# define perf_instruction_pointer(regs) instruction_pointer(regs)
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#endif
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extern int perf_output_begin(struct perf_output_handle *handle,
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@ -1179,9 +1172,9 @@ static inline void
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perf_bp_event(struct perf_event *event, void *data) { }
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static inline int perf_register_guest_info_callbacks
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(struct perf_guest_info_callbacks *callbacks) { return 0; }
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(struct perf_guest_info_callbacks *callbacks) { return 0; }
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static inline int perf_unregister_guest_info_callbacks
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(struct perf_guest_info_callbacks *callbacks) { return 0; }
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(struct perf_guest_info_callbacks *callbacks) { return 0; }
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static inline void perf_event_mmap(struct vm_area_struct *vma) { }
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static inline void perf_event_comm(struct task_struct *tsk) { }
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@ -1194,23 +1187,22 @@ static inline void perf_event_disable(struct perf_event *event) { }
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static inline void perf_event_task_tick(void) { }
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#endif
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#define perf_output_put(handle, x) \
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perf_output_copy((handle), &(x), sizeof(x))
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#define perf_output_put(handle, x) perf_output_copy((handle), &(x), sizeof(x))
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/*
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* This has to have a higher priority than migration_notifier in sched.c.
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*/
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#define perf_cpu_notifier(fn) \
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do { \
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static struct notifier_block fn##_nb __cpuinitdata = \
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{ .notifier_call = fn, .priority = CPU_PRI_PERF }; \
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fn(&fn##_nb, (unsigned long)CPU_UP_PREPARE, \
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(void *)(unsigned long)smp_processor_id()); \
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fn(&fn##_nb, (unsigned long)CPU_STARTING, \
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(void *)(unsigned long)smp_processor_id()); \
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fn(&fn##_nb, (unsigned long)CPU_ONLINE, \
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(void *)(unsigned long)smp_processor_id()); \
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register_cpu_notifier(&fn##_nb); \
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#define perf_cpu_notifier(fn) \
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do { \
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static struct notifier_block fn##_nb __cpuinitdata = \
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{ .notifier_call = fn, .priority = CPU_PRI_PERF }; \
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fn(&fn##_nb, (unsigned long)CPU_UP_PREPARE, \
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(void *)(unsigned long)smp_processor_id()); \
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fn(&fn##_nb, (unsigned long)CPU_STARTING, \
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(void *)(unsigned long)smp_processor_id()); \
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fn(&fn##_nb, (unsigned long)CPU_ONLINE, \
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(void *)(unsigned long)smp_processor_id()); \
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register_cpu_notifier(&fn##_nb); \
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} while (0)
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#endif /* __KERNEL__ */
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@ -2,8 +2,8 @@
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* Performance events core code:
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*
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* Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de>
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* Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar
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* Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
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* Copyright (C) 2008-2011 Red Hat, Inc., Ingo Molnar
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* Copyright (C) 2008-2011 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
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* Copyright © 2009 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com>
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*
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* For licensing details see kernel-base/COPYING
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@ -39,10 +39,10 @@
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#include <asm/irq_regs.h>
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struct remote_function_call {
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struct task_struct *p;
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int (*func)(void *info);
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void *info;
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int ret;
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struct task_struct *p;
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int (*func)(void *info);
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void *info;
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int ret;
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};
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static void remote_function(void *data)
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@ -76,10 +76,10 @@ static int
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task_function_call(struct task_struct *p, int (*func) (void *info), void *info)
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{
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struct remote_function_call data = {
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.p = p,
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.func = func,
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.info = info,
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.ret = -ESRCH, /* No such (running) process */
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.p = p,
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.func = func,
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.info = info,
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.ret = -ESRCH, /* No such (running) process */
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};
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if (task_curr(p))
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@ -100,10 +100,10 @@ task_function_call(struct task_struct *p, int (*func) (void *info), void *info)
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static int cpu_function_call(int cpu, int (*func) (void *info), void *info)
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{
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struct remote_function_call data = {
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.p = NULL,
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.func = func,
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.info = info,
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.ret = -ENXIO, /* No such CPU */
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.p = NULL,
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.func = func,
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.info = info,
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.ret = -ENXIO, /* No such CPU */
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};
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smp_call_function_single(cpu, remote_function, &data, 1);
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@ -7445,11 +7445,11 @@ static void perf_cgroup_exit(struct cgroup_subsys *ss, struct cgroup *cgrp,
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}
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struct cgroup_subsys perf_subsys = {
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.name = "perf_event",
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.subsys_id = perf_subsys_id,
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.create = perf_cgroup_create,
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.destroy = perf_cgroup_destroy,
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.exit = perf_cgroup_exit,
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.attach = perf_cgroup_attach,
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.name = "perf_event",
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.subsys_id = perf_subsys_id,
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.create = perf_cgroup_create,
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.destroy = perf_cgroup_destroy,
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.exit = perf_cgroup_exit,
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.attach = perf_cgroup_attach,
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};
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#endif /* CONFIG_CGROUP_PERF */
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