[mirror_ubuntu-artful-kernel.git] / fs / gfs2 / trace_gfs2.h

#undef TRACE_SYSTEM
#define TRACE_SYSTEM gfs2

#if !defined(_TRACE_GFS2_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_GFS2_H

#include <linux/tracepoint.h>

#include <linux/fs.h>
#include <linux/buffer_head.h>
#include <linux/dlmconstants.h>
#include <linux/gfs2_ondisk.h>
#include "incore.h"
#include "glock.h"

#define dlm_state_name(nn) { DLM_LOCK_##nn, #nn }
#define glock_trace_name(x) __print_symbolic(x,		\
			    dlm_state_name(IV),		\
			    dlm_state_name(NL),		\
			    dlm_state_name(CR),		\
			    dlm_state_name(CW),		\
			    dlm_state_name(PR),		\
			    dlm_state_name(PW),		\
			    dlm_state_name(EX))

#define block_state_name(x) __print_symbolic(x,			\
			    { GFS2_BLKST_FREE, "free" },	\
			    { GFS2_BLKST_USED, "used" },	\
			    { GFS2_BLKST_DINODE, "dinode" },	\
			    { GFS2_BLKST_UNLINKED, "unlinked" })

#define show_glock_flags(flags) __print_flags(flags, "",	\
	{(1UL << GLF_LOCK),			"l" },		\
	{(1UL << GLF_DEMOTE),			"D" },		\
	{(1UL << GLF_PENDING_DEMOTE),		"d" },		\
	{(1UL << GLF_DEMOTE_IN_PROGRESS),	"p" },		\
	{(1UL << GLF_DIRTY),			"y" },		\
	{(1UL << GLF_LFLUSH),			"f" },		\
	{(1UL << GLF_INVALIDATE_IN_PROGRESS),	"i" },		\
	{(1UL << GLF_REPLY_PENDING),		"r" },		\
	{(1UL << GLF_INITIAL),			"I" },		\
	{(1UL << GLF_FROZEN),			"F" },		\
	{(1UL << GLF_QUEUED),			"q" },		\
	{(1UL << GLF_LRU),			"L" },		\
	{(1UL << GLF_OBJECT),			"o" })

#ifndef NUMPTY
#define NUMPTY
static inline u8 glock_trace_state(unsigned int state)
{
	switch(state) {
	case LM_ST_SHARED:
		return DLM_LOCK_PR;
	case LM_ST_DEFERRED:
		return DLM_LOCK_CW;
	case LM_ST_EXCLUSIVE:
		return DLM_LOCK_EX;
	}
	return DLM_LOCK_NL;
}
#endif

/* Section 1 - Locking
 *
 * Objectives:
 * Latency: Remote demote request to state change
 * Latency: Local lock request to state change
 * Latency: State change to lock grant
 * Correctness: Ordering of local lock state vs. I/O requests
 * Correctness: Responses to remote demote requests
 */

/* General glock state change (DLM lock request completes) */
TRACE_EVENT(gfs2_glock_state_change,

	TP_PROTO(const struct gfs2_glock *gl, unsigned int new_state),

	TP_ARGS(gl, new_state),

	TP_STRUCT__entry(
		__field(	dev_t,	dev			)
		__field(	u64,	glnum			)
		__field(	u32,	gltype			)
		__field(	u8,	cur_state		)
		__field(	u8,	new_state		)
		__field(	u8,	dmt_state		)
		__field(	u8,	tgt_state		)
		__field(	unsigned long,	flags		)
	),

	TP_fast_assign(
		__entry->dev		= gl->gl_sbd->sd_vfs->s_dev;
		__entry->glnum		= gl->gl_name.ln_number;
		__entry->gltype		= gl->gl_name.ln_type;
		__entry->cur_state	= glock_trace_state(gl->gl_state);
		__entry->new_state	= glock_trace_state(new_state);
		__entry->tgt_state	= glock_trace_state(gl->gl_target);
		__entry->dmt_state	= glock_trace_state(gl->gl_demote_state);
		__entry->flags		= gl->gl_flags | (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
	),

	TP_printk("%u,%u glock %d:%lld state %s to %s tgt:%s dmt:%s flags:%s",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
		 (unsigned long long)__entry->glnum,
		  glock_trace_name(__entry->cur_state),
		  glock_trace_name(__entry->new_state),
		  glock_trace_name(__entry->tgt_state),
		  glock_trace_name(__entry->dmt_state),
		  show_glock_flags(__entry->flags))
);

/* State change -> unlocked, glock is being deallocated */
TRACE_EVENT(gfs2_glock_put,

	TP_PROTO(const struct gfs2_glock *gl),

	TP_ARGS(gl),

	TP_STRUCT__entry(
		__field(        dev_t,  dev                     )
		__field(	u64,	glnum			)
		__field(	u32,	gltype			)
		__field(	u8,	cur_state		)
		__field(	unsigned long,	flags		)
	),

	TP_fast_assign(
		__entry->dev		= gl->gl_sbd->sd_vfs->s_dev;
		__entry->gltype		= gl->gl_name.ln_type;
		__entry->glnum		= gl->gl_name.ln_number;
		__entry->cur_state	= glock_trace_state(gl->gl_state);
		__entry->flags		= gl->gl_flags  | (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
	),

	TP_printk("%u,%u glock %d:%lld state %s => %s flags:%s",
		  MAJOR(__entry->dev), MINOR(__entry->dev),
                  __entry->gltype, (unsigned long long)__entry->glnum,
                  glock_trace_name(__entry->cur_state),
		  glock_trace_name(DLM_LOCK_IV),
		  show_glock_flags(__entry->flags))

);

/* Callback (local or remote) requesting lock demotion */
TRACE_EVENT(gfs2_demote_rq,

	TP_PROTO(const struct gfs2_glock *gl),

	TP_ARGS(gl),

	TP_STRUCT__entry(
		__field(        dev_t,  dev                     )
		__field(	u64,	glnum			)
		__field(	u32,	gltype			)
		__field(	u8,	cur_state		)
		__field(	u8,	dmt_state		)
		__field(	unsigned long,	flags		)
	),

	TP_fast_assign(
		__entry->dev		= gl->gl_sbd->sd_vfs->s_dev;
		__entry->gltype		= gl->gl_name.ln_type;
		__entry->glnum		= gl->gl_name.ln_number;
		__entry->cur_state	= glock_trace_state(gl->gl_state);
		__entry->dmt_state	= glock_trace_state(gl->gl_demote_state);
		__entry->flags		= gl->gl_flags  | (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
	),

	TP_printk("%u,%u glock %d:%lld demote %s to %s flags:%s",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
		  (unsigned long long)__entry->glnum,
                  glock_trace_name(__entry->cur_state),
                  glock_trace_name(__entry->dmt_state),
		  show_glock_flags(__entry->flags))

);

/* Promotion/grant of a glock */
TRACE_EVENT(gfs2_promote,

	TP_PROTO(const struct gfs2_holder *gh, int first),

	TP_ARGS(gh, first),

	TP_STRUCT__entry(
		__field(        dev_t,  dev                     )
		__field(	u64,	glnum			)
		__field(	u32,	gltype			)
		__field(	int,	first			)
		__field(	u8,	state			)
	),

	TP_fast_assign(
		__entry->dev	= gh->gh_gl->gl_sbd->sd_vfs->s_dev;
		__entry->glnum	= gh->gh_gl->gl_name.ln_number;
		__entry->gltype	= gh->gh_gl->gl_name.ln_type;
		__entry->first	= first;
		__entry->state	= glock_trace_state(gh->gh_state);
	),

	TP_printk("%u,%u glock %u:%llu promote %s %s",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
		  (unsigned long long)__entry->glnum,
		  __entry->first ? "first": "other",
		  glock_trace_name(__entry->state))
);

/* Queue/dequeue a lock request */
TRACE_EVENT(gfs2_glock_queue,

	TP_PROTO(const struct gfs2_holder *gh, int queue),

	TP_ARGS(gh, queue),

	TP_STRUCT__entry(
		__field(        dev_t,  dev                     )
		__field(	u64,	glnum			)
		__field(	u32,	gltype			)
		__field(	int,	queue			)
		__field(	u8,	state			)
	),

	TP_fast_assign(
		__entry->dev	= gh->gh_gl->gl_sbd->sd_vfs->s_dev;
		__entry->glnum	= gh->gh_gl->gl_name.ln_number;
		__entry->gltype	= gh->gh_gl->gl_name.ln_type;
		__entry->queue	= queue;
		__entry->state	= glock_trace_state(gh->gh_state);
	),

	TP_printk("%u,%u glock %u:%llu %squeue %s",
		  MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
		  (unsigned long long)__entry->glnum,
		  __entry->queue ? "" : "de",
		  glock_trace_name(__entry->state))
);

/* Section 2 - Log/journal
 *
 * Objectives:
 * Latency: Log flush time
 * Correctness: pin/unpin vs. disk I/O ordering
 * Performance: Log usage stats
 */

/* Pin/unpin a block in the log */
TRACE_EVENT(gfs2_pin,

	TP_PROTO(const struct gfs2_bufdata *bd, int pin),

	TP_ARGS(bd, pin),

	TP_STRUCT__entry(
		__field(        dev_t,  dev                     )
		__field(	int,	pin			)
		__field(	u32,	len			)
		__field(	sector_t,	block		)
		__field(	u64,	ino			)
	),

	TP_fast_assign(
		__entry->dev		= bd->bd_gl->gl_sbd->sd_vfs->s_dev;
		__entry->pin		= pin;
		__entry->len		= bd->bd_bh->b_size;
		__entry->block		= bd->bd_bh->b_blocknr;
		__entry->ino		= bd->bd_gl->gl_name.ln_number;
	),

	TP_printk("%u,%u log %s %llu/%lu inode %llu",
		  MAJOR(__entry->dev), MINOR(__entry->dev),
		  __entry->pin ? "pin" : "unpin",
		  (unsigned long long)__entry->block,
		  (unsigned long)__entry->len,
		  (unsigned long long)__entry->ino)
);

/* Flushing the log */
TRACE_EVENT(gfs2_log_flush,

	TP_PROTO(const struct gfs2_sbd *sdp, int start),

	TP_ARGS(sdp, start),

	TP_STRUCT__entry(
		__field(        dev_t,  dev                     )
		__field(	int,	start			)
		__field(	u64,	log_seq			)
	),

	TP_fast_assign(
		__entry->dev            = sdp->sd_vfs->s_dev;
		__entry->start		= start;
		__entry->log_seq	= sdp->sd_log_sequence;
	),

	TP_printk("%u,%u log flush %s %llu",
		  MAJOR(__entry->dev), MINOR(__entry->dev),
		  __entry->start ? "start" : "end",
		  (unsigned long long)__entry->log_seq)
);

/* Reserving/releasing blocks in the log */
TRACE_EVENT(gfs2_log_blocks,

	TP_PROTO(const struct gfs2_sbd *sdp, int blocks),

	TP_ARGS(sdp, blocks),

	TP_STRUCT__entry(
		__field(        dev_t,  dev                     )
		__field(	int,	blocks			)
	),

	TP_fast_assign(
		__entry->dev		= sdp->sd_vfs->s_dev;
		__entry->blocks		= blocks;
	),

	TP_printk("%u,%u log reserve %d", MAJOR(__entry->dev),
		  MINOR(__entry->dev), __entry->blocks)
);

/* Section 3 - bmap
 *
 * Objectives:
 * Latency: Bmap request time
 * Performance: Block allocator tracing
 * Correctness: Test of disard generation vs. blocks allocated
 */

/* Map an extent of blocks, possibly a new allocation */
TRACE_EVENT(gfs2_bmap,

	TP_PROTO(const struct gfs2_inode *ip, const struct buffer_head *bh,
		sector_t lblock, int create, int errno),

	TP_ARGS(ip, bh, lblock, create, errno),

	TP_STRUCT__entry(
		__field(        dev_t,  dev                     )
		__field(	sector_t, lblock		)
		__field(	sector_t, pblock		)
		__field(	u64,	inum			)
		__field(	unsigned long, state		)
		__field(	u32,	len			)
		__field(	int,	create			)
		__field(	int,	errno			)
	),

	TP_fast_assign(
		__entry->dev            = ip->i_gl->gl_sbd->sd_vfs->s_dev;
		__entry->lblock		= lblock;
		__entry->pblock		= buffer_mapped(bh) ?  bh->b_blocknr : 0;
		__entry->inum		= ip->i_no_addr;
		__entry->state		= bh->b_state;
		__entry->len		= bh->b_size;
		__entry->create		= create;
		__entry->errno		= errno;
	),

	TP_printk("%u,%u bmap %llu map %llu/%lu to %llu flags:%08lx %s %d",
		  MAJOR(__entry->dev), MINOR(__entry->dev),
		  (unsigned long long)__entry->inum,
		  (unsigned long long)__entry->lblock,
		  (unsigned long)__entry->len,
		  (unsigned long long)__entry->pblock,
		  __entry->state, __entry->create ? "create " : "nocreate",
		  __entry->errno)
);

/* Keep track of blocks as they are allocated/freed */
TRACE_EVENT(gfs2_block_alloc,

	TP_PROTO(const struct gfs2_inode *ip, u64 block, unsigned len,
		u8 block_state),

	TP_ARGS(ip, block, len, block_state),

	TP_STRUCT__entry(
		__field(        dev_t,  dev                     )
		__field(	u64,	start			)
		__field(	u64,	inum			)
		__field(	u32,	len			)
		__field(	u8,	block_state		)
	),

	TP_fast_assign(
		__entry->dev		= ip->i_gl->gl_sbd->sd_vfs->s_dev;
		__entry->start		= block;
		__entry->inum		= ip->i_no_addr;
		__entry->len		= len;
		__entry->block_state	= block_state;
	),

	TP_printk("%u,%u bmap %llu alloc %llu/%lu %s",
		  MAJOR(__entry->dev), MINOR(__entry->dev),
		  (unsigned long long)__entry->inum,
		  (unsigned long long)__entry->start,
		  (unsigned long)__entry->len,
		  block_state_name(__entry->block_state))
);

#endif /* _TRACE_GFS2_H */

/* This part must be outside protection */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace_gfs2
#include <trace/define_trace.h>
Commit	Line	Data
d0b6e04a LZ	1	#undef TRACE_SYSTEM
	2	#define TRACE_SYSTEM gfs2
	3
63997775 SW	4	#if !defined(_TRACE_GFS2_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	5	#define _TRACE_GFS2_H
	6
	7	#include <linux/tracepoint.h>
	8
63997775 SW	9	#include <linux/fs.h>
	10	#include <linux/buffer_head.h>
	11	#include <linux/dlmconstants.h>
	12	#include <linux/gfs2_ondisk.h>
	13	#include "incore.h"
	14	#include "glock.h"
	15
	16	#define dlm_state_name(nn) { DLM_LOCK_##nn, #nn }
	17	#define glock_trace_name(x) __print_symbolic(x, \
	18	dlm_state_name(IV), \
	19	dlm_state_name(NL), \
	20	dlm_state_name(CR), \
	21	dlm_state_name(CW), \
	22	dlm_state_name(PR), \
	23	dlm_state_name(PW), \
	24	dlm_state_name(EX))
	25
	26	#define block_state_name(x) __print_symbolic(x, \
	27	{ GFS2_BLKST_FREE, "free" }, \
	28	{ GFS2_BLKST_USED, "used" }, \
	29	{ GFS2_BLKST_DINODE, "dinode" }, \
	30	{ GFS2_BLKST_UNLINKED, "unlinked" })
	31
	32	#define show_glock_flags(flags) __print_flags(flags, "", \
	33	{(1UL << GLF_LOCK), "l" }, \
	34	{(1UL << GLF_DEMOTE), "D" }, \
	35	{(1UL << GLF_PENDING_DEMOTE), "d" }, \
	36	{(1UL << GLF_DEMOTE_IN_PROGRESS), "p" }, \
	37	{(1UL << GLF_DIRTY), "y" }, \
	38	{(1UL << GLF_LFLUSH), "f" }, \
	39	{(1UL << GLF_INVALIDATE_IN_PROGRESS), "i" }, \
	40	{(1UL << GLF_REPLY_PENDING), "r" }, \
	41	{(1UL << GLF_INITIAL), "I" }, \
7b5e3d5f	42	{(1UL << GLF_FROZEN), "F" }, \
627c10b7 SW	43	{(1UL << GLF_QUEUED), "q" }, \
	44	{(1UL << GLF_LRU), "L" }, \
	45	{(1UL << GLF_OBJECT), "o" })
63997775 SW	46
	47	#ifndef NUMPTY
	48	#define NUMPTY
	49	static inline u8 glock_trace_state(unsigned int state)
	50	{
	51	switch(state) {
	52	case LM_ST_SHARED:
	53	return DLM_LOCK_PR;
	54	case LM_ST_DEFERRED:
	55	return DLM_LOCK_CW;
	56	case LM_ST_EXCLUSIVE:
	57	return DLM_LOCK_EX;
	58	}
	59	return DLM_LOCK_NL;
	60	}
	61	#endif
	62
	63	/* Section 1 - Locking
	64	*
	65	* Objectives:
	66	* Latency: Remote demote request to state change
	67	* Latency: Local lock request to state change
	68	* Latency: State change to lock grant
	69	* Correctness: Ordering of local lock state vs. I/O requests
	70	* Correctness: Responses to remote demote requests
	71	*/
	72
	73	/* General glock state change (DLM lock request completes) */
	74	TRACE_EVENT(gfs2_glock_state_change,
	75
	76	TP_PROTO(const struct gfs2_glock *gl, unsigned int new_state),
	77
	78	TP_ARGS(gl, new_state),
	79
	80	TP_STRUCT__entry(
	81	__field( dev_t, dev )
	82	__field( u64, glnum )
	83	__field( u32, gltype )
	84	__field( u8, cur_state )
	85	__field( u8, new_state )
	86	__field( u8, dmt_state )
	87	__field( u8, tgt_state )
	88	__field( unsigned long, flags )
	89	),
	90
	91	TP_fast_assign(
	92	__entry->dev = gl->gl_sbd->sd_vfs->s_dev;
	93	__entry->glnum = gl->gl_name.ln_number;
	94	__entry->gltype = gl->gl_name.ln_type;
	95	__entry->cur_state = glock_trace_state(gl->gl_state);
	96	__entry->new_state = glock_trace_state(new_state);
	97	__entry->tgt_state = glock_trace_state(gl->gl_target);
	98	__entry->dmt_state = glock_trace_state(gl->gl_demote_state);
627c10b7	99	__entry->flags = gl->gl_flags \| (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
63997775 SW	100	),
	101
	102	TP_printk("%u,%u glock %d:%lld state %s to %s tgt:%s dmt:%s flags:%s",
	103	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
	104	(unsigned long long)__entry->glnum,
	105	glock_trace_name(__entry->cur_state),
	106	glock_trace_name(__entry->new_state),
	107	glock_trace_name(__entry->tgt_state),
	108	glock_trace_name(__entry->dmt_state),
	109	show_glock_flags(__entry->flags))
	110	);
	111
	112	/* State change -> unlocked, glock is being deallocated */
	113	TRACE_EVENT(gfs2_glock_put,
	114
	115	TP_PROTO(const struct gfs2_glock *gl),
	116
	117	TP_ARGS(gl),
	118
	119	TP_STRUCT__entry(
	120	__field( dev_t, dev )
	121	__field( u64, glnum )
	122	__field( u32, gltype )
	123	__field( u8, cur_state )
	124	__field( unsigned long, flags )
	125	),
	126
	127	TP_fast_assign(
	128	__entry->dev = gl->gl_sbd->sd_vfs->s_dev;
	129	__entry->gltype = gl->gl_name.ln_type;
	130	__entry->glnum = gl->gl_name.ln_number;
	131	__entry->cur_state = glock_trace_state(gl->gl_state);
627c10b7	132	__entry->flags = gl->gl_flags \| (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
63997775 SW	133	),
	134
	135	TP_printk("%u,%u glock %d:%lld state %s => %s flags:%s",
	136	MAJOR(__entry->dev), MINOR(__entry->dev),
	137	__entry->gltype, (unsigned long long)__entry->glnum,
	138	glock_trace_name(__entry->cur_state),
	139	glock_trace_name(DLM_LOCK_IV),
	140	show_glock_flags(__entry->flags))
	141
	142	);
	143
	144	/* Callback (local or remote) requesting lock demotion */
	145	TRACE_EVENT(gfs2_demote_rq,
	146
	147	TP_PROTO(const struct gfs2_glock *gl),
	148
	149	TP_ARGS(gl),
	150
	151	TP_STRUCT__entry(
	152	__field( dev_t, dev )
	153	__field( u64, glnum )
	154	__field( u32, gltype )
	155	__field( u8, cur_state )
	156	__field( u8, dmt_state )
	157	__field( unsigned long, flags )
	158	),
	159
	160	TP_fast_assign(
	161	__entry->dev = gl->gl_sbd->sd_vfs->s_dev;
	162	__entry->gltype = gl->gl_name.ln_type;
	163	__entry->glnum = gl->gl_name.ln_number;
	164	__entry->cur_state = glock_trace_state(gl->gl_state);
	165	__entry->dmt_state = glock_trace_state(gl->gl_demote_state);
627c10b7	166	__entry->flags = gl->gl_flags \| (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
63997775 SW	167	),
	168
	169	TP_printk("%u,%u glock %d:%lld demote %s to %s flags:%s",
	170	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
	171	(unsigned long long)__entry->glnum,
	172	glock_trace_name(__entry->cur_state),
	173	glock_trace_name(__entry->dmt_state),
	174	show_glock_flags(__entry->flags))
	175
	176	);
	177
	178	/* Promotion/grant of a glock */
	179	TRACE_EVENT(gfs2_promote,
	180
	181	TP_PROTO(const struct gfs2_holder *gh, int first),
	182
	183	TP_ARGS(gh, first),
	184
	185	TP_STRUCT__entry(
	186	__field( dev_t, dev )
	187	__field( u64, glnum )
	188	__field( u32, gltype )
	189	__field( int, first )
	190	__field( u8, state )
	191	),
	192
	193	TP_fast_assign(
	194	__entry->dev = gh->gh_gl->gl_sbd->sd_vfs->s_dev;
	195	__entry->glnum = gh->gh_gl->gl_name.ln_number;
	196	__entry->gltype = gh->gh_gl->gl_name.ln_type;
	197	__entry->first = first;
	198	__entry->state = glock_trace_state(gh->gh_state);
	199	),
	200
	201	TP_printk("%u,%u glock %u:%llu promote %s %s",
	202	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
	203	(unsigned long long)__entry->glnum,
	204	__entry->first ? "first": "other",
	205	glock_trace_name(__entry->state))
	206	);
	207
	208	/* Queue/dequeue a lock request */
	209	TRACE_EVENT(gfs2_glock_queue,
	210
	211	TP_PROTO(const struct gfs2_holder *gh, int queue),
	212
	213	TP_ARGS(gh, queue),
	214
	215	TP_STRUCT__entry(
	216	__field( dev_t, dev )
	217	__field( u64, glnum )
	218	__field( u32, gltype )
	219	__field( int, queue )
	220	__field( u8, state )
	221	),
	222
	223	TP_fast_assign(
	224	__entry->dev = gh->gh_gl->gl_sbd->sd_vfs->s_dev;
	225	__entry->glnum = gh->gh_gl->gl_name.ln_number;
	226	__entry->gltype = gh->gh_gl->gl_name.ln_type;
	227	__entry->queue = queue;
	228	__entry->state = glock_trace_state(gh->gh_state);
	229	),
	230
231	TP_printk("%u,%u glock %u:%llu %squeue %s",
232	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
233	(unsigned long long)__entry->glnum,
234	__entry->queue ? "" : "de",
235	glock_trace_name(__entry->state))
236	);
237
238	/* Section 2 - Log/journal
239	*
240	* Objectives:
241	* Latency: Log flush time
242	* Correctness: pin/unpin vs. disk I/O ordering
243	* Performance: Log usage stats
244	*/
245
246	/* Pin/unpin a block in the log */
247	TRACE_EVENT(gfs2_pin,
248
249	TP_PROTO(const struct gfs2_bufdata *bd, int pin),
250
251	TP_ARGS(bd, pin),
252
253	TP_STRUCT__entry(
254	__field( dev_t, dev )
255	__field( int, pin )
256	__field( u32, len )
257	__field( sector_t, block )
258	__field( u64, ino )
259	),
260
261	TP_fast_assign(
262	__entry->dev = bd->bd_gl->gl_sbd->sd_vfs->s_dev;
263	__entry->pin = pin;
264	__entry->len = bd->bd_bh->b_size;
265	__entry->block = bd->bd_bh->b_blocknr;
266	__entry->ino = bd->bd_gl->gl_name.ln_number;
267	),
268
269	TP_printk("%u,%u log %s %llu/%lu inode %llu",
270	MAJOR(__entry->dev), MINOR(__entry->dev),
271	__entry->pin ? "pin" : "unpin",
272	(unsigned long long)__entry->block,
273	(unsigned long)__entry->len,
274	(unsigned long long)__entry->ino)
275	);
276
277	/* Flushing the log */
278	TRACE_EVENT(gfs2_log_flush,
279
280	TP_PROTO(const struct gfs2_sbd *sdp, int start),
281
282	TP_ARGS(sdp, start),
283
284	TP_STRUCT__entry(
285	__field( dev_t, dev )
286	__field( int, start )
287	__field( u64, log_seq )
288	),
289
290	TP_fast_assign(
291	__entry->dev = sdp->sd_vfs->s_dev;
292	__entry->start = start;
293	__entry->log_seq = sdp->sd_log_sequence;
294	),
295
296	TP_printk("%u,%u log flush %s %llu",
297	MAJOR(__entry->dev), MINOR(__entry->dev),
298	__entry->start ? "start" : "end",
299	(unsigned long long)__entry->log_seq)
300	);
301
302	/* Reserving/releasing blocks in the log */
303	TRACE_EVENT(gfs2_log_blocks,
304
305	TP_PROTO(const struct gfs2_sbd *sdp, int blocks),
306
307	TP_ARGS(sdp, blocks),
308
309	TP_STRUCT__entry(
310	__field( dev_t, dev )
311	__field( int, blocks )
312	),
313
314	TP_fast_assign(
315	__entry->dev = sdp->sd_vfs->s_dev;
316	__entry->blocks = blocks;
317	),
318
319	TP_printk("%u,%u log reserve %d", MAJOR(__entry->dev),
320	MINOR(__entry->dev), __entry->blocks)
321	);
322
323	/* Section 3 - bmap
324	*
325	* Objectives:
326	* Latency: Bmap request time
327	* Performance: Block allocator tracing
328	* Correctness: Test of disard generation vs. blocks allocated
329	*/
330
331	/* Map an extent of blocks, possibly a new allocation */
332	TRACE_EVENT(gfs2_bmap,
333
334	TP_PROTO(const struct gfs2_inode ip, const struct buffer_head bh,
335	sector_t lblock, int create, int errno),
336
337	TP_ARGS(ip, bh, lblock, create, errno),
338
339	TP_STRUCT__entry(
340	__field( dev_t, dev )
341	__field( sector_t, lblock )
342	__field( sector_t, pblock )
343	__field( u64, inum )
344	__field( unsigned long, state )
345	__field( u32, len )
346	__field( int, create )
347	__field( int, errno )
348	),
349
350	TP_fast_assign(
351	__entry->dev = ip->i_gl->gl_sbd->sd_vfs->s_dev;
352	__entry->lblock = lblock;
353	__entry->pblock = buffer_mapped(bh) ? bh->b_blocknr : 0;
354	__entry->inum = ip->i_no_addr;
355	__entry->state = bh->b_state;
356	__entry->len = bh->b_size;
357	__entry->create = create;
358	__entry->errno = errno;
359	),
360
361	TP_printk("%u,%u bmap %llu map %llu/%lu to %llu flags:%08lx %s %d",
362	MAJOR(__entry->dev), MINOR(__entry->dev),
363	(unsigned long long)__entry->inum,
364	(unsigned long long)__entry->lblock,
365	(unsigned long)__entry->len,
366	(unsigned long long)__entry->pblock,
367	__entry->state, __entry->create ? "create " : "nocreate",
368	__entry->errno)
369	);
370
371	/* Keep track of blocks as they are allocated/freed */
372	TRACE_EVENT(gfs2_block_alloc,
373
374	TP_PROTO(const struct gfs2_inode *ip, u64 block, unsigned len,
375	u8 block_state),
376
377	TP_ARGS(ip, block, len, block_state),
378
379	TP_STRUCT__entry(
380	__field( dev_t, dev )
381	__field( u64, start )
382	__field( u64, inum )
383	__field( u32, len )
384	__field( u8, block_state )
385	),
386
387	TP_fast_assign(
388	__entry->dev = ip->i_gl->gl_sbd->sd_vfs->s_dev;
389	__entry->start = block;
390	__entry->inum = ip->i_no_addr;
391	__entry->len = len;
392	__entry->block_state = block_state;
393	),
394
395	TP_printk("%u,%u bmap %llu alloc %llu/%lu %s",
396	MAJOR(__entry->dev), MINOR(__entry->dev),
397	(unsigned long long)__entry->inum,
398	(unsigned long long)__entry->start,
399	(unsigned long)__entry->len,
400	block_state_name(__entry->block_state))
401	);
402
403	#endif /* _TRACE_GFS2_H */
404
405	/* This part must be outside protection */
406	#undef TRACE_INCLUDE_PATH
407	#define TRACE_INCLUDE_PATH .
d0b6e04a	408	#define TRACE_INCLUDE_FILE trace_gfs2
63997775 SW	409	#include <trace/define_trace.h>
63997775 SW	410