[linux-2.6-block.git] / kernel / trace / trace.h

#ifndef _LINUX_KERNEL_TRACE_H
#define _LINUX_KERNEL_TRACE_H

#include <linux/fs.h>
#include <asm/atomic.h>
#include <linux/sched.h>
#include <linux/clocksource.h>
#include <linux/mmiotrace.h>

enum trace_type {
	__TRACE_FIRST_TYPE = 0,

	TRACE_FN,
	TRACE_CTX,
	TRACE_WAKE,
	TRACE_STACK,
	TRACE_SPECIAL,
	TRACE_MMIO_RW,
	TRACE_MMIO_MAP,

	__TRACE_LAST_TYPE
};

/*
 * Function trace entry - function address and parent function addres:
 */
struct ftrace_entry {
	unsigned long		ip;
	unsigned long		parent_ip;
};

/*
 * Context switch trace entry - which task (and prio) we switched from/to:
 */
struct ctx_switch_entry {
	unsigned int		prev_pid;
	unsigned char		prev_prio;
	unsigned char		prev_state;
	unsigned int		next_pid;
	unsigned char		next_prio;
	unsigned char		next_state;
};

/*
 * Special (free-form) trace entry:
 */
struct special_entry {
	unsigned long		arg1;
	unsigned long		arg2;
	unsigned long		arg3;
};

/*
 * Stack-trace entry:
 */

#define FTRACE_STACK_ENTRIES	8

struct stack_entry {
	unsigned long		caller[FTRACE_STACK_ENTRIES];
};

/*
 * The trace entry - the most basic unit of tracing. This is what
 * is printed in the end as a single line in the trace output, such as:
 *
 *     bash-15816 [01]   235.197585: idle_cpu <- irq_enter
 */
struct trace_entry {
	char			type;
	char			cpu;
	char			flags;
	char			preempt_count;
	int			pid;
	cycle_t			t;
	union {
		struct ftrace_entry		fn;
		struct ctx_switch_entry		ctx;
		struct special_entry		special;
		struct stack_entry		stack;
		struct mmiotrace_rw		mmiorw;
		struct mmiotrace_map		mmiomap;
	};
};

#define TRACE_ENTRY_SIZE	sizeof(struct trace_entry)

/*
 * The CPU trace array - it consists of thousands of trace entries
 * plus some other descriptor data: (for example which task started
 * the trace, etc.)
 */
struct trace_array_cpu {
	struct list_head	trace_pages;
	atomic_t		disabled;
	raw_spinlock_t		lock;
	struct lock_class_key	lock_key;

	/* these fields get copied into max-trace: */
	unsigned		trace_head_idx;
	unsigned		trace_tail_idx;
	void			*trace_head; /* producer */
	void			*trace_tail; /* consumer */
	unsigned long		trace_idx;
	unsigned long		overrun;
	unsigned long		saved_latency;
	unsigned long		critical_start;
	unsigned long		critical_end;
	unsigned long		critical_sequence;
	unsigned long		nice;
	unsigned long		policy;
	unsigned long		rt_priority;
	cycle_t			preempt_timestamp;
	pid_t			pid;
	uid_t			uid;
	char			comm[TASK_COMM_LEN];
};

struct trace_iterator;

/*
 * The trace array - an array of per-CPU trace arrays. This is the
 * highest level data structure that individual tracers deal with.
 * They have on/off state as well:
 */
struct trace_array {
	unsigned long		entries;
	long			ctrl;
	int			cpu;
	cycle_t			time_start;
	struct task_struct	*waiter;
	struct trace_array_cpu	*data[NR_CPUS];
};

/*
 * A specific tracer, represented by methods that operate on a trace array:
 */
struct tracer {
	const char		*name;
	void			(*init)(struct trace_array *tr);
	void			(*reset)(struct trace_array *tr);
	void			(*open)(struct trace_iterator *iter);
	void			(*pipe_open)(struct trace_iterator *iter);
	void			(*close)(struct trace_iterator *iter);
	void			(*start)(struct trace_iterator *iter);
	void			(*stop)(struct trace_iterator *iter);
	ssize_t			(*read)(struct trace_iterator *iter,
					struct file *filp, char __user *ubuf,
					size_t cnt, loff_t *ppos);
	void			(*ctrl_update)(struct trace_array *tr);
#ifdef CONFIG_FTRACE_STARTUP_TEST
	int			(*selftest)(struct tracer *trace,
					    struct trace_array *tr);
#endif
	int			(*print_line)(struct trace_iterator *iter);
	struct tracer		*next;
	int			print_max;
};

struct trace_seq {
	unsigned char		buffer[PAGE_SIZE];
	unsigned int		len;
	unsigned int		readpos;
};

/*
 * Trace iterator - used by printout routines who present trace
 * results to users and which routines might sleep, etc:
 */
struct trace_iterator {
	struct trace_array	*tr;
	struct tracer		*trace;
	void			*private;
	long			last_overrun[NR_CPUS];
	long			overrun[NR_CPUS];

	/* The below is zeroed out in pipe_read */
	struct trace_seq	seq;
	struct trace_entry	*ent;
	int			cpu;

	struct trace_entry	*prev_ent;
	int			prev_cpu;

	unsigned long		iter_flags;
	loff_t			pos;
	unsigned long		next_idx[NR_CPUS];
	struct list_head	*next_page[NR_CPUS];
	unsigned		next_page_idx[NR_CPUS];
	long			idx;
};

void tracing_reset(struct trace_array_cpu *data);
int tracing_open_generic(struct inode *inode, struct file *filp);
struct dentry *tracing_init_dentry(void);
void init_tracer_sysprof_debugfs(struct dentry *d_tracer);

void ftrace(struct trace_array *tr,
			    struct trace_array_cpu *data,
			    unsigned long ip,
			    unsigned long parent_ip,
			    unsigned long flags);
void tracing_sched_switch_trace(struct trace_array *tr,
				struct trace_array_cpu *data,
				struct task_struct *prev,
				struct task_struct *next,
				unsigned long flags);
void tracing_record_cmdline(struct task_struct *tsk);

void tracing_sched_wakeup_trace(struct trace_array *tr,
				struct trace_array_cpu *data,
				struct task_struct *wakee,
				struct task_struct *cur,
				unsigned long flags);
void trace_special(struct trace_array *tr,
		   struct trace_array_cpu *data,
		   unsigned long arg1,
		   unsigned long arg2,
		   unsigned long arg3);
void trace_function(struct trace_array *tr,
		    struct trace_array_cpu *data,
		    unsigned long ip,
		    unsigned long parent_ip,
		    unsigned long flags);

void tracing_start_cmdline_record(void);
void tracing_stop_cmdline_record(void);
int register_tracer(struct tracer *type);
void unregister_tracer(struct tracer *type);

extern unsigned long nsecs_to_usecs(unsigned long nsecs);

extern unsigned long tracing_max_latency;
extern unsigned long tracing_thresh;

void update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu);
void update_max_tr_single(struct trace_array *tr,
			  struct task_struct *tsk, int cpu);

extern cycle_t ftrace_now(int cpu);

#ifdef CONFIG_FTRACE
void tracing_start_function_trace(void);
void tracing_stop_function_trace(void);
#else
# define tracing_start_function_trace()		do { } while (0)
# define tracing_stop_function_trace()		do { } while (0)
#endif

#ifdef CONFIG_CONTEXT_SWITCH_TRACER
typedef void
(*tracer_switch_func_t)(void *private,
			void *__rq,
			struct task_struct *prev,
			struct task_struct *next);

struct tracer_switch_ops {
	tracer_switch_func_t		func;
	void				*private;
	struct tracer_switch_ops	*next;
};

#endif /* CONFIG_CONTEXT_SWITCH_TRACER */

#ifdef CONFIG_DYNAMIC_FTRACE
extern unsigned long ftrace_update_tot_cnt;
#define DYN_FTRACE_TEST_NAME trace_selftest_dynamic_test_func
extern int DYN_FTRACE_TEST_NAME(void);
#endif

#ifdef CONFIG_MMIOTRACE
extern void __trace_mmiotrace_rw(struct trace_array *tr,
				struct trace_array_cpu *data,
				struct mmiotrace_rw *rw);
extern void __trace_mmiotrace_map(struct trace_array *tr,
				struct trace_array_cpu *data,
				struct mmiotrace_map *map);
#endif

#ifdef CONFIG_FTRACE_STARTUP_TEST
#ifdef CONFIG_FTRACE
extern int trace_selftest_startup_function(struct tracer *trace,
					   struct trace_array *tr);
#endif
#ifdef CONFIG_IRQSOFF_TRACER
extern int trace_selftest_startup_irqsoff(struct tracer *trace,
					  struct trace_array *tr);
#endif
#ifdef CONFIG_PREEMPT_TRACER
extern int trace_selftest_startup_preemptoff(struct tracer *trace,
					     struct trace_array *tr);
#endif
#if defined(CONFIG_IRQSOFF_TRACER) && defined(CONFIG_PREEMPT_TRACER)
extern int trace_selftest_startup_preemptirqsoff(struct tracer *trace,
						 struct trace_array *tr);
#endif
#ifdef CONFIG_SCHED_TRACER
extern int trace_selftest_startup_wakeup(struct tracer *trace,
					 struct trace_array *tr);
#endif
#ifdef CONFIG_CONTEXT_SWITCH_TRACER
extern int trace_selftest_startup_sched_switch(struct tracer *trace,
					       struct trace_array *tr);
#endif
#ifdef CONFIG_SYSPROF_TRACER
extern int trace_selftest_startup_sysprof(struct tracer *trace,
					       struct trace_array *tr);
#endif
#endif /* CONFIG_FTRACE_STARTUP_TEST */

extern void *head_page(struct trace_array_cpu *data);
extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...);
extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
				 size_t cnt);
extern long ns2usecs(cycle_t nsec);

extern unsigned long trace_flags;

/*
 * trace_iterator_flags is an enumeration that defines bit
 * positions into trace_flags that controls the output.
 *
 * NOTE: These bits must match the trace_options array in
 *       trace.c.
 */
enum trace_iterator_flags {
	TRACE_ITER_PRINT_PARENT		= 0x01,
	TRACE_ITER_SYM_OFFSET		= 0x02,
	TRACE_ITER_SYM_ADDR		= 0x04,
	TRACE_ITER_VERBOSE		= 0x08,
	TRACE_ITER_RAW			= 0x10,
	TRACE_ITER_HEX			= 0x20,
	TRACE_ITER_BIN			= 0x40,
	TRACE_ITER_BLOCK		= 0x80,
	TRACE_ITER_STACKTRACE		= 0x100,
	TRACE_ITER_SCHED_TREE		= 0x200,
};

#endif /* _LINUX_KERNEL_TRACE_H */
Commit	Line	Data
bc0c38d1 SR	1	#ifndef _LINUX_KERNEL_TRACE_H
	2	#define _LINUX_KERNEL_TRACE_H
	3
	4	#include <linux/fs.h>
	5	#include <asm/atomic.h>
	6	#include <linux/sched.h>
	7	#include <linux/clocksource.h>
bd8ac686	8	#include <linux/mmiotrace.h>
bc0c38d1	9
72829bc3 TG	10	enum trace_type {
	11	__TRACE_FIRST_TYPE = 0,
	12
	13	TRACE_FN,
	14	TRACE_CTX,
	15	TRACE_WAKE,
	16	TRACE_STACK,
	17	TRACE_SPECIAL,
bd8ac686 PP	18	TRACE_MMIO_RW,
bd8ac686 PP	19	TRACE_MMIO_MAP,
72829bc3 TG	20
	21	__TRACE_LAST_TYPE
	22	};
	23
bc0c38d1 SR	24	/*
	25	* Function trace entry - function address and parent function addres:
	26	*/
	27	struct ftrace_entry {
	28	unsigned long ip;
	29	unsigned long parent_ip;
	30	};
	31
	32	/*
	33	* Context switch trace entry - which task (and prio) we switched from/to:
	34	*/
	35	struct ctx_switch_entry {
	36	unsigned int prev_pid;
	37	unsigned char prev_prio;
	38	unsigned char prev_state;
	39	unsigned int next_pid;
	40	unsigned char next_prio;
bac524d3	41	unsigned char next_state;
bc0c38d1 SR	42	};
bc0c38d1 SR	43
f0a920d5 IM	44	/*
	45	* Special (free-form) trace entry:
	46	*/
	47	struct special_entry {
	48	unsigned long arg1;
	49	unsigned long arg2;
	50	unsigned long arg3;
	51	};
	52
86387f7e IM	53	/*
	54	* Stack-trace entry:
	55	*/
	56
74f4e369	57	#define FTRACE_STACK_ENTRIES 8
86387f7e IM	58
	59	struct stack_entry {
	60	unsigned long caller[FTRACE_STACK_ENTRIES];
	61	};
	62
bc0c38d1 SR	63	/*
	64	* The trace entry - the most basic unit of tracing. This is what
	65	* is printed in the end as a single line in the trace output, such as:
	66	*
	67	* bash-15816 [01] 235.197585: idle_cpu <- irq_enter
	68	*/
	69	struct trace_entry {
	70	char type;
	71	char cpu;
	72	char flags;
	73	char preempt_count;
	74	int pid;
	75	cycle_t t;
bc0c38d1 SR	76	union {
	77	struct ftrace_entry fn;
	78	struct ctx_switch_entry ctx;
f0a920d5	79	struct special_entry special;
86387f7e	80	struct stack_entry stack;
bd8ac686 PP	81	struct mmiotrace_rw mmiorw;
bd8ac686 PP	82	struct mmiotrace_map mmiomap;
bc0c38d1 SR	83	};
	84	};
	85
	86	#define TRACE_ENTRY_SIZE sizeof(struct trace_entry)
	87
	88	/*
	89	* The CPU trace array - it consists of thousands of trace entries
	90	* plus some other descriptor data: (for example which task started
	91	* the trace, etc.)
	92	*/
	93	struct trace_array_cpu {
4c11d7ae	94	struct list_head trace_pages;
bc0c38d1	95	atomic_t disabled;
92205c23	96	raw_spinlock_t lock;
d4c5a2f5	97	struct lock_class_key lock_key;
4e3c3333	98
c7aafc54	99	/* these fields get copied into max-trace: */
93a588f4 SR	100	unsigned trace_head_idx;
	101	unsigned trace_tail_idx;
	102	void trace_head; / producer */
	103	void trace_tail; / consumer */
c7aafc54	104	unsigned long trace_idx;
53d0aa77	105	unsigned long overrun;
bc0c38d1 SR	106	unsigned long saved_latency;
	107	unsigned long critical_start;
	108	unsigned long critical_end;
	109	unsigned long critical_sequence;
	110	unsigned long nice;
	111	unsigned long policy;
	112	unsigned long rt_priority;
	113	cycle_t preempt_timestamp;
	114	pid_t pid;
	115	uid_t uid;
	116	char comm[TASK_COMM_LEN];
	117	};
	118
	119	struct trace_iterator;
	120
	121	/*
	122	* The trace array - an array of per-CPU trace arrays. This is the
	123	* highest level data structure that individual tracers deal with.
	124	* They have on/off state as well:
	125	*/
	126	struct trace_array {
	127	unsigned long entries;
	128	long ctrl;
	129	int cpu;
	130	cycle_t time_start;
b3806b43	131	struct task_struct *waiter;
bc0c38d1 SR	132	struct trace_array_cpu *data[NR_CPUS];
	133	};
	134
	135	/*
	136	* A specific tracer, represented by methods that operate on a trace array:
	137	*/
	138	struct tracer {
	139	const char *name;
	140	void (init)(struct trace_array tr);
	141	void (reset)(struct trace_array tr);
	142	void (open)(struct trace_iterator iter);
107bad8b	143	void (pipe_open)(struct trace_iterator iter);
bc0c38d1 SR	144	void (close)(struct trace_iterator iter);
	145	void (start)(struct trace_iterator iter);
	146	void (stop)(struct trace_iterator iter);
107bad8b SR	147	ssize_t (read)(struct trace_iterator iter,
	148	struct file filp, char __user ubuf,
	149	size_t cnt, loff_t *ppos);
bc0c38d1	150	void (ctrl_update)(struct trace_array tr);
60a11774 SR	151	#ifdef CONFIG_FTRACE_STARTUP_TEST
	152	int (selftest)(struct tracer trace,
	153	struct trace_array *tr);
	154	#endif
72829bc3	155	int (print_line)(struct trace_iterator iter);
bc0c38d1 SR	156	struct tracer *next;
	157	int print_max;
	158	};
	159
214023c3 SR	160	struct trace_seq {
	161	unsigned char buffer[PAGE_SIZE];
	162	unsigned int len;
6c6c2796	163	unsigned int readpos;
214023c3 SR	164	};
214023c3 SR	165
bc0c38d1 SR	166	/*
	167	* Trace iterator - used by printout routines who present trace
	168	* results to users and which routines might sleep, etc:
	169	*/
	170	struct trace_iterator {
	171	struct trace_array *tr;
	172	struct tracer *trace;
107bad8b	173	void *private;
53d0aa77 SR	174	long last_overrun[NR_CPUS];
53d0aa77 SR	175	long overrun[NR_CPUS];
4e3c3333	176
53d0aa77 SR	177	/* The below is zeroed out in pipe_read */
53d0aa77 SR	178	struct trace_seq seq;
bc0c38d1	179	struct trace_entry *ent;
4e3c3333 IM	180	int cpu;
	181
	182	struct trace_entry *prev_ent;
	183	int prev_cpu;
	184
bc0c38d1 SR	185	unsigned long iter_flags;
	186	loff_t pos;
	187	unsigned long next_idx[NR_CPUS];
4c11d7ae SR	188	struct list_head *next_page[NR_CPUS];
	189	unsigned next_page_idx[NR_CPUS];
	190	long idx;
bc0c38d1 SR	191	};
bc0c38d1 SR	192
e309b41d	193	void tracing_reset(struct trace_array_cpu *data);
bc0c38d1 SR	194	int tracing_open_generic(struct inode inode, struct file filp);
bc0c38d1 SR	195	struct dentry *tracing_init_dentry(void);
d618b3e6 IM	196	void init_tracer_sysprof_debugfs(struct dentry *d_tracer);
d618b3e6 IM	197
bc0c38d1 SR	198	void ftrace(struct trace_array *tr,
	199	struct trace_array_cpu *data,
	200	unsigned long ip,
	201	unsigned long parent_ip,
	202	unsigned long flags);
	203	void tracing_sched_switch_trace(struct trace_array *tr,
	204	struct trace_array_cpu *data,
	205	struct task_struct *prev,
	206	struct task_struct *next,
	207	unsigned long flags);
	208	void tracing_record_cmdline(struct task_struct *tsk);
57422797 IM	209
	210	void tracing_sched_wakeup_trace(struct trace_array *tr,
	211	struct trace_array_cpu *data,
	212	struct task_struct *wakee,
	213	struct task_struct *cur,
	214	unsigned long flags);
f0a920d5 IM	215	void trace_special(struct trace_array *tr,
	216	struct trace_array_cpu *data,
	217	unsigned long arg1,
	218	unsigned long arg2,
	219	unsigned long arg3);
6fb44b71 SR	220	void trace_function(struct trace_array *tr,
	221	struct trace_array_cpu *data,
	222	unsigned long ip,
	223	unsigned long parent_ip,
	224	unsigned long flags);
bc0c38d1	225
41bc8144 SR	226	void tracing_start_cmdline_record(void);
41bc8144 SR	227	void tracing_stop_cmdline_record(void);
bc0c38d1 SR	228	int register_tracer(struct tracer *type);
	229	void unregister_tracer(struct tracer *type);
	230
	231	extern unsigned long nsecs_to_usecs(unsigned long nsecs);
	232
	233	extern unsigned long tracing_max_latency;
	234	extern unsigned long tracing_thresh;
	235
	236	void update_max_tr(struct trace_array tr, struct task_struct tsk, int cpu);
	237	void update_max_tr_single(struct trace_array *tr,
	238	struct task_struct *tsk, int cpu);
	239
e309b41d	240	extern cycle_t ftrace_now(int cpu);
bc0c38d1	241
001b6767 SR	242	#ifdef CONFIG_FTRACE
	243	void tracing_start_function_trace(void);
	244	void tracing_stop_function_trace(void);
	245	#else
	246	# define tracing_start_function_trace() do { } while (0)
	247	# define tracing_stop_function_trace() do { } while (0)
	248	#endif
	249
bc0c38d1 SR	250	#ifdef CONFIG_CONTEXT_SWITCH_TRACER
	251	typedef void
	252	(tracer_switch_func_t)(void private,
5b82a1b0	253	void *__rq,
bc0c38d1 SR	254	struct task_struct *prev,
	255	struct task_struct *next);
	256
	257	struct tracer_switch_ops {
	258	tracer_switch_func_t func;
	259	void *private;
	260	struct tracer_switch_ops *next;
	261	};
	262
bc0c38d1 SR	263	#endif /* CONFIG_CONTEXT_SWITCH_TRACER */
	264
	265	#ifdef CONFIG_DYNAMIC_FTRACE
	266	extern unsigned long ftrace_update_tot_cnt;
d05cdb25 SR	267	#define DYN_FTRACE_TEST_NAME trace_selftest_dynamic_test_func
d05cdb25 SR	268	extern int DYN_FTRACE_TEST_NAME(void);
bc0c38d1 SR	269	#endif
bc0c38d1 SR	270
bd8ac686 PP	271	#ifdef CONFIG_MMIOTRACE
	272	extern void __trace_mmiotrace_rw(struct trace_array *tr,
	273	struct trace_array_cpu *data,
	274	struct mmiotrace_rw *rw);
	275	extern void __trace_mmiotrace_map(struct trace_array *tr,
	276	struct trace_array_cpu *data,
	277	struct mmiotrace_map *map);
	278	#endif
	279
60a11774 SR	280	#ifdef CONFIG_FTRACE_STARTUP_TEST
	281	#ifdef CONFIG_FTRACE
	282	extern int trace_selftest_startup_function(struct tracer *trace,
	283	struct trace_array *tr);
	284	#endif
	285	#ifdef CONFIG_IRQSOFF_TRACER
	286	extern int trace_selftest_startup_irqsoff(struct tracer *trace,
	287	struct trace_array *tr);
	288	#endif
	289	#ifdef CONFIG_PREEMPT_TRACER
	290	extern int trace_selftest_startup_preemptoff(struct tracer *trace,
	291	struct trace_array *tr);
	292	#endif
	293	#if defined(CONFIG_IRQSOFF_TRACER) && defined(CONFIG_PREEMPT_TRACER)
	294	extern int trace_selftest_startup_preemptirqsoff(struct tracer *trace,
	295	struct trace_array *tr);
	296	#endif
	297	#ifdef CONFIG_SCHED_TRACER
	298	extern int trace_selftest_startup_wakeup(struct tracer *trace,
	299	struct trace_array *tr);
	300	#endif
	301	#ifdef CONFIG_CONTEXT_SWITCH_TRACER
	302	extern int trace_selftest_startup_sched_switch(struct tracer *trace,
	303	struct trace_array *tr);
	304	#endif
a6dd24f8 IM	305	#ifdef CONFIG_SYSPROF_TRACER
	306	extern int trace_selftest_startup_sysprof(struct tracer *trace,
	307	struct trace_array *tr);
	308	#endif
60a11774 SR	309	#endif /* CONFIG_FTRACE_STARTUP_TEST */
60a11774 SR	310
c7aafc54	311	extern void head_page(struct trace_array_cpu data);
72829bc3	312	extern int trace_seq_printf(struct trace_seq s, const char fmt, ...);
6c6c2796 PP	313	extern ssize_t trace_seq_to_user(struct trace_seq s, char __user ubuf,
6c6c2796 PP	314	size_t cnt);
72829bc3	315	extern long ns2usecs(cycle_t nsec);
c7aafc54	316
4e655519 IM	317	extern unsigned long trace_flags;
4e655519 IM	318
4fcdae83 SR	319	/*
	320	* trace_iterator_flags is an enumeration that defines bit
	321	* positions into trace_flags that controls the output.
	322	*
	323	* NOTE: These bits must match the trace_options array in
	324	* trace.c.
	325	*/
4e655519 IM	326	enum trace_iterator_flags {
	327	TRACE_ITER_PRINT_PARENT = 0x01,
	328	TRACE_ITER_SYM_OFFSET = 0x02,
	329	TRACE_ITER_SYM_ADDR = 0x04,
	330	TRACE_ITER_VERBOSE = 0x08,
	331	TRACE_ITER_RAW = 0x10,
	332	TRACE_ITER_HEX = 0x20,
	333	TRACE_ITER_BIN = 0x40,
	334	TRACE_ITER_BLOCK = 0x80,
	335	TRACE_ITER_STACKTRACE = 0x100,
4ac3ba41	336	TRACE_ITER_SCHED_TREE = 0x200,
4e655519 IM	337	};
4e655519 IM	338
bc0c38d1	339	#endif /* _LINUX_KERNEL_TRACE_H */