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Date: Wed, 4 May 2011 07:13:26 GMT
From: tip-bot for Ingo Molnar <mingo@...e.hu>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
a.p.zijlstra@...llo.nl, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/core] perf events: Clean up definitions and initializers, update copyrights
Commit-ID: e7e7ee2eab2080248084d71fe0a115ab745eb2aa
Gitweb: http://git.kernel.org/tip/e7e7ee2eab2080248084d71fe0a115ab745eb2aa
Author: Ingo Molnar <mingo@...e.hu>
AuthorDate: Wed, 4 May 2011 08:42:29 +0200
Committer: Ingo Molnar <mingo@...e.hu>
CommitDate: Wed, 4 May 2011 08:49:24 +0200
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@...llo.nl>
Link: http://lkml.kernel.org/n/tip-yv4hwf9yhnzoada8pcpb3a97@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
include/linux/perf_event.h | 96 ++++++++++++++++++++------------------------
kernel/events/core.c | 40 +++++++++---------
2 files changed, 64 insertions(+), 72 deletions(-)
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 9eec53d..207c169 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -2,8 +2,8 @@
* Performance events:
*
* Copyright (C) 2008-2009, Thomas Gleixner <tglx@...utronix.de>
- * Copyright (C) 2008-2009, Red Hat, Inc., Ingo Molnar
- * Copyright (C) 2008-2009, Red Hat, Inc., Peter Zijlstra
+ * Copyright (C) 2008-2011, Red Hat, Inc., Ingo Molnar
+ * Copyright (C) 2008-2011, Red Hat, Inc., Peter Zijlstra
*
* Data type definitions, declarations, prototypes.
*
@@ -468,9 +468,9 @@ enum perf_callchain_context {
PERF_CONTEXT_MAX = (__u64)-4095,
};
-#define PERF_FLAG_FD_NO_GROUP (1U << 0)
-#define PERF_FLAG_FD_OUTPUT (1U << 1)
-#define PERF_FLAG_PID_CGROUP (1U << 2) /* pid=cgroup id, per-cpu mode only */
+#define PERF_FLAG_FD_NO_GROUP (1U << 0)
+#define PERF_FLAG_FD_OUTPUT (1U << 1)
+#define PERF_FLAG_PID_CGROUP (1U << 2) /* pid=cgroup id, per-cpu mode only */
#ifdef __KERNEL__
/*
@@ -484,9 +484,9 @@ enum perf_callchain_context {
#endif
struct perf_guest_info_callbacks {
- int (*is_in_guest) (void);
- int (*is_user_mode) (void);
- unsigned long (*get_guest_ip) (void);
+ int (*is_in_guest)(void);
+ int (*is_user_mode)(void);
+ unsigned long (*get_guest_ip)(void);
};
#ifdef CONFIG_HAVE_HW_BREAKPOINT
@@ -652,19 +652,19 @@ struct pmu {
* Start the transaction, after this ->add() doesn't need to
* do schedulability tests.
*/
- void (*start_txn) (struct pmu *pmu); /* optional */
+ void (*start_txn) (struct pmu *pmu); /* optional */
/*
* If ->start_txn() disabled the ->add() schedulability test
* then ->commit_txn() is required to perform one. On success
* the transaction is closed. On error the transaction is kept
* open until ->cancel_txn() is called.
*/
- int (*commit_txn) (struct pmu *pmu); /* optional */
+ int (*commit_txn) (struct pmu *pmu); /* optional */
/*
* Will cancel the transaction, assumes ->del() is called
* for each successful ->add() during the transaction.
*/
- void (*cancel_txn) (struct pmu *pmu); /* optional */
+ void (*cancel_txn) (struct pmu *pmu); /* optional */
};
/**
@@ -712,15 +712,15 @@ typedef void (*perf_overflow_handler_t)(struct perf_event *, int,
struct pt_regs *regs);
enum perf_group_flag {
- PERF_GROUP_SOFTWARE = 0x1,
+ PERF_GROUP_SOFTWARE = 0x1,
};
-#define SWEVENT_HLIST_BITS 8
-#define SWEVENT_HLIST_SIZE (1 << SWEVENT_HLIST_BITS)
+#define SWEVENT_HLIST_BITS 8
+#define SWEVENT_HLIST_SIZE (1 << SWEVENT_HLIST_BITS)
struct swevent_hlist {
- struct hlist_head heads[SWEVENT_HLIST_SIZE];
- struct rcu_head rcu_head;
+ struct hlist_head heads[SWEVENT_HLIST_SIZE];
+ struct rcu_head rcu_head;
};
#define PERF_ATTACH_CONTEXT 0x01
@@ -733,13 +733,13 @@ struct swevent_hlist {
* This is a per-cpu dynamically allocated data structure.
*/
struct perf_cgroup_info {
- u64 time;
- u64 timestamp;
+ u64 time;
+ u64 timestamp;
};
struct perf_cgroup {
- struct cgroup_subsys_state css;
- struct perf_cgroup_info *info; /* timing info, one per cpu */
+ struct cgroup_subsys_state css;
+ struct perf_cgroup_info *info; /* timing info, one per cpu */
};
#endif
@@ -923,7 +923,7 @@ struct perf_event_context {
/*
* Number of contexts where an event can trigger:
- * task, softirq, hardirq, nmi.
+ * task, softirq, hardirq, nmi.
*/
#define PERF_NR_CONTEXTS 4
@@ -1001,8 +1001,7 @@ struct perf_sample_data {
struct perf_raw_record *raw;
};
-static inline
-void perf_sample_data_init(struct perf_sample_data *data, u64 addr)
+static inline void perf_sample_data_init(struct perf_sample_data *data, u64 addr)
{
data->addr = addr;
data->raw = NULL;
@@ -1039,8 +1038,7 @@ extern struct jump_label_key perf_swevent_enabled[PERF_COUNT_SW_MAX];
extern void __perf_sw_event(u32, u64, int, struct pt_regs *, u64);
#ifndef perf_arch_fetch_caller_regs
-static inline void
-perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip) { }
+static inline void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip) { }
#endif
/*
@@ -1080,8 +1078,7 @@ static inline void perf_event_task_sched_in(struct task_struct *task)
__perf_event_task_sched_in(task);
}
-static inline
-void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
+static inline void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
{
perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, NULL, 0);
@@ -1099,14 +1096,10 @@ extern void perf_event_fork(struct task_struct *tsk);
/* Callchains */
DECLARE_PER_CPU(struct perf_callchain_entry, perf_callchain_entry);
-extern void perf_callchain_user(struct perf_callchain_entry *entry,
- struct pt_regs *regs);
-extern void perf_callchain_kernel(struct perf_callchain_entry *entry,
- struct pt_regs *regs);
-
+extern void perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs);
+extern void perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs);
-static inline void
-perf_callchain_store(struct perf_callchain_entry *entry, u64 ip)
+static inline void perf_callchain_store(struct perf_callchain_entry *entry, u64 ip)
{
if (entry->nr < PERF_MAX_STACK_DEPTH)
entry->ip[entry->nr++] = ip;
@@ -1142,9 +1135,9 @@ extern void perf_tp_event(u64 addr, u64 count, void *record,
extern void perf_bp_event(struct perf_event *event, void *data);
#ifndef perf_misc_flags
-#define perf_misc_flags(regs) (user_mode(regs) ? PERF_RECORD_MISC_USER : \
- PERF_RECORD_MISC_KERNEL)
-#define perf_instruction_pointer(regs) instruction_pointer(regs)
+# define perf_misc_flags(regs) \
+ (user_mode(regs) ? PERF_RECORD_MISC_USER : PERF_RECORD_MISC_KERNEL)
+# define perf_instruction_pointer(regs) instruction_pointer(regs)
#endif
extern int perf_output_begin(struct perf_output_handle *handle,
@@ -1179,9 +1172,9 @@ static inline void
perf_bp_event(struct perf_event *event, void *data) { }
static inline int perf_register_guest_info_callbacks
-(struct perf_guest_info_callbacks *callbacks) { return 0; }
+(struct perf_guest_info_callbacks *callbacks) { return 0; }
static inline int perf_unregister_guest_info_callbacks
-(struct perf_guest_info_callbacks *callbacks) { return 0; }
+(struct perf_guest_info_callbacks *callbacks) { return 0; }
static inline void perf_event_mmap(struct vm_area_struct *vma) { }
static inline void perf_event_comm(struct task_struct *tsk) { }
@@ -1194,23 +1187,22 @@ static inline void perf_event_disable(struct perf_event *event) { }
static inline void perf_event_task_tick(void) { }
#endif
-#define perf_output_put(handle, x) \
- perf_output_copy((handle), &(x), sizeof(x))
+#define perf_output_put(handle, x) perf_output_copy((handle), &(x), sizeof(x))
/*
* This has to have a higher priority than migration_notifier in sched.c.
*/
-#define perf_cpu_notifier(fn) \
-do { \
- static struct notifier_block fn##_nb __cpuinitdata = \
- { .notifier_call = fn, .priority = CPU_PRI_PERF }; \
- fn(&fn##_nb, (unsigned long)CPU_UP_PREPARE, \
- (void *)(unsigned long)smp_processor_id()); \
- fn(&fn##_nb, (unsigned long)CPU_STARTING, \
- (void *)(unsigned long)smp_processor_id()); \
- fn(&fn##_nb, (unsigned long)CPU_ONLINE, \
- (void *)(unsigned long)smp_processor_id()); \
- register_cpu_notifier(&fn##_nb); \
+#define perf_cpu_notifier(fn) \
+do { \
+ static struct notifier_block fn##_nb __cpuinitdata = \
+ { .notifier_call = fn, .priority = CPU_PRI_PERF }; \
+ fn(&fn##_nb, (unsigned long)CPU_UP_PREPARE, \
+ (void *)(unsigned long)smp_processor_id()); \
+ fn(&fn##_nb, (unsigned long)CPU_STARTING, \
+ (void *)(unsigned long)smp_processor_id()); \
+ fn(&fn##_nb, (unsigned long)CPU_ONLINE, \
+ (void *)(unsigned long)smp_processor_id()); \
+ register_cpu_notifier(&fn##_nb); \
} while (0)
#endif /* __KERNEL__ */
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 440bc48..0fc34a3 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2,8 +2,8 @@
* Performance events core code:
*
* Copyright (C) 2008 Thomas Gleixner <tglx@...utronix.de>
- * Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar
- * Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@...hat.com>
+ * Copyright (C) 2008-2011 Red Hat, Inc., Ingo Molnar
+ * Copyright (C) 2008-2011 Red Hat, Inc., Peter Zijlstra <pzijlstr@...hat.com>
* Copyright © 2009 Paul Mackerras, IBM Corp. <paulus@....ibm.com>
*
* For licensing details see kernel-base/COPYING
@@ -39,10 +39,10 @@
#include <asm/irq_regs.h>
struct remote_function_call {
- struct task_struct *p;
- int (*func)(void *info);
- void *info;
- int ret;
+ struct task_struct *p;
+ int (*func)(void *info);
+ void *info;
+ int ret;
};
static void remote_function(void *data)
@@ -76,10 +76,10 @@ static int
task_function_call(struct task_struct *p, int (*func) (void *info), void *info)
{
struct remote_function_call data = {
- .p = p,
- .func = func,
- .info = info,
- .ret = -ESRCH, /* No such (running) process */
+ .p = p,
+ .func = func,
+ .info = info,
+ .ret = -ESRCH, /* No such (running) process */
};
if (task_curr(p))
@@ -100,10 +100,10 @@ task_function_call(struct task_struct *p, int (*func) (void *info), void *info)
static int cpu_function_call(int cpu, int (*func) (void *info), void *info)
{
struct remote_function_call data = {
- .p = NULL,
- .func = func,
- .info = info,
- .ret = -ENXIO, /* No such CPU */
+ .p = NULL,
+ .func = func,
+ .info = info,
+ .ret = -ENXIO, /* No such CPU */
};
smp_call_function_single(cpu, remote_function, &data, 1);
@@ -7445,11 +7445,11 @@ static void perf_cgroup_exit(struct cgroup_subsys *ss, struct cgroup *cgrp,
}
struct cgroup_subsys perf_subsys = {
- .name = "perf_event",
- .subsys_id = perf_subsys_id,
- .create = perf_cgroup_create,
- .destroy = perf_cgroup_destroy,
- .exit = perf_cgroup_exit,
- .attach = perf_cgroup_attach,
+ .name = "perf_event",
+ .subsys_id = perf_subsys_id,
+ .create = perf_cgroup_create,
+ .destroy = perf_cgroup_destroy,
+ .exit = perf_cgroup_exit,
+ .attach = perf_cgroup_attach,
};
#endif /* CONFIG_CGROUP_PERF */
--
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