/*
- * Performance events:
+ * Performance events:
*
* Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de>
* Copyright (C) 2008-2009, Red Hat, Inc., Ingo Molnar
* Copyright (C) 2008-2009, Red Hat, Inc., Peter Zijlstra
*
- * Data type definitions, declarations, prototypes.
+ * Data type definitions, declarations, prototypes.
*
* Started by: Thomas Gleixner and Ingo Molnar
*
- * For licencing details see kernel-base/COPYING
+ * For licencing details see kernel-base/COPYING
*/
#ifndef _LINUX_PERF_EVENT_H
#define _LINUX_PERF_EVENT_H
* as specified by attr.read_format:
*
* struct read_format {
- * { u64 value;
- * { u64 time_enabled; } && PERF_FORMAT_ENABLED
- * { u64 time_running; } && PERF_FORMAT_RUNNING
- * { u64 id; } && PERF_FORMAT_ID
- * } && !PERF_FORMAT_GROUP
+ * { u64 value;
+ * { u64 time_enabled; } && PERF_FORMAT_ENABLED
+ * { u64 time_running; } && PERF_FORMAT_RUNNING
+ * { u64 id; } && PERF_FORMAT_ID
+ * } && !PERF_FORMAT_GROUP
*
- * { u64 nr;
- * { u64 time_enabled; } && PERF_FORMAT_ENABLED
- * { u64 time_running; } && PERF_FORMAT_RUNNING
- * { u64 value;
- * { u64 id; } && PERF_FORMAT_ID
- * } cntr[nr];
- * } && PERF_FORMAT_GROUP
+ * { u64 nr;
+ * { u64 time_enabled; } && PERF_FORMAT_ENABLED
+ * { u64 time_running; } && PERF_FORMAT_RUNNING
+ * { u64 value;
+ * { u64 id; } && PERF_FORMAT_ID
+ * } cntr[nr];
+ * } && PERF_FORMAT_GROUP
* };
*/
enum perf_event_read_format {
PERF_FORMAT_ID = 1U << 2,
PERF_FORMAT_GROUP = 1U << 3,
- PERF_FORMAT_MAX = 1U << 4, /* non-ABI */
+ PERF_FORMAT_MAX = 1U << 4, /* non-ABI */
};
#define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */
* Ioctls that can be done on a perf event fd:
*/
#define PERF_EVENT_IOC_ENABLE _IO ('$', 0)
-#define PERF_EVENT_IOC_DISABLE _IO ('$', 1)
-#define PERF_EVENT_IOC_REFRESH _IO ('$', 2)
+#define PERF_EVENT_IOC_DISABLE _IO ('$', 1)
+#define PERF_EVENT_IOC_REFRESH _IO ('$', 2)
#define PERF_EVENT_IOC_RESET _IO ('$', 3)
#define PERF_EVENT_IOC_PERIOD _IOW('$', 4, u64)
#define PERF_EVENT_IOC_SET_OUTPUT _IO ('$', 5)
/*
* struct {
- * struct perf_event_header header;
- * u64 id;
- * u64 lost;
+ * struct perf_event_header header;
+ * u64 id;
+ * u64 lost;
* };
*/
PERF_RECORD_LOST = 2,
* { u64 id; } && PERF_SAMPLE_ID
* { u64 stream_id;} && PERF_SAMPLE_STREAM_ID
* { u32 cpu, res; } && PERF_SAMPLE_CPU
- * { u64 period; } && PERF_SAMPLE_PERIOD
+ * { u64 period; } && PERF_SAMPLE_PERIOD
*
* { struct read_format values; } && PERF_SAMPLE_READ
*
* { u64 nr,
* u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN
*
- * #
- * # The RAW record below is opaque data wrt the ABI
- * #
- * # That is, the ABI doesn't make any promises wrt to
- * # the stability of its content, it may vary depending
- * # on event_id, hardware, kernel version and phase of
- * # the moon.
- * #
- * # In other words, PERF_SAMPLE_RAW contents are not an ABI.
- * #
+ * #
+ * # The RAW record below is opaque data wrt the ABI
+ * #
+ * # That is, the ABI doesn't make any promises wrt to
+ * # the stability of its content, it may vary depending
+ * # on event, hardware, kernel version and phase of
+ * # the moon.
+ * #
+ * # In other words, PERF_SAMPLE_RAW contents are not an ABI.
+ * #
*
* { u32 size;
* char data[size];}&& PERF_SAMPLE_RAW
* enum perf_event_active_state - the states of a event
*/
enum perf_event_active_state {
- PERF_EVENT_STATE_ERROR = -2,
+ PERF_EVENT_STATE_ERROR = -2,
PERF_EVENT_STATE_OFF = -1,
PERF_EVENT_STATE_INACTIVE = 0,
- PERF_EVENT_STATE_ACTIVE = 1,
+ PERF_EVENT_STATE_ACTIVE = 1,
};
struct file;
long watermark; /* wakeup watermark */
- struct perf_event_mmap_page *user_page;
+ struct perf_event_mmap_page *user_page;
void *data_pages[0];
};
};
struct perf_output_handle {
- struct perf_event *event;
- struct perf_mmap_data *data;
- unsigned long head;
- unsigned long offset;
- int nmi;
- int sample;
- int locked;
- unsigned long flags;
+ struct perf_event *event;
+ struct perf_mmap_data *data;
+ unsigned long head;
+ unsigned long offset;
+ int nmi;
+ int sample;
+ int locked;
+ unsigned long flags;
};
#ifdef CONFIG_PERF_EVENTS
perf_event_task_sched_out(struct task_struct *task,
struct task_struct *next, int cpu) { }
static inline void
-perf_event_task_tick(struct task_struct *task, int cpu) { }
+perf_event_task_tick(struct task_struct *task, int cpu) { }
static inline int perf_event_init_task(struct task_struct *child) { return 0; }
static inline void perf_event_exit_task(struct task_struct *child) { }
static inline void perf_event_free_task(struct task_struct *task) { }
-static inline void perf_event_do_pending(void) { }
-static inline void perf_event_print_debug(void) { }
+static inline void perf_event_do_pending(void) { }
+static inline void perf_event_print_debug(void) { }
static inline void perf_disable(void) { }
static inline void perf_enable(void) { }
-static inline int perf_event_task_disable(void) { return -EINVAL; }
-static inline int perf_event_task_enable(void) { return -EINVAL; }
+static inline int perf_event_task_disable(void) { return -EINVAL; }
+static inline int perf_event_task_enable(void) { return -EINVAL; }
static inline void
perf_sw_event(u32 event_id, u64 nr, int nmi,
struct pt_regs *regs, u64 addr) { }
-static inline void perf_event_mmap(struct vm_area_struct *vma) { }
+static inline void perf_event_mmap(struct vm_area_struct *vma) { }
static inline void perf_event_comm(struct task_struct *tsk) { }
static inline void perf_event_fork(struct task_struct *tsk) { }
static inline void perf_event_init(void) { }
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