[linux.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 <linux/writeback.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)
);

/* Writing back the AIL */
TRACE_EVENT(gfs2_ail_flush,

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

	TP_ARGS(sdp, wbc, start),

	TP_STRUCT__entry(
		__field(	dev_t,	dev			)
		__field(	int, start			)
		__field(	int, sync_mode			)
		__field(	long, nr_to_write		)
	),

	TP_fast_assign(
		__entry->dev		= sdp->sd_vfs->s_dev;
		__entry->start		= start;
		__entry->sync_mode	= wbc->sync_mode;
		__entry->nr_to_write	= wbc->nr_to_write;
	),

	TP_printk("%u,%u ail flush %s %s %ld", MAJOR(__entry->dev),
		  MINOR(__entry->dev), __entry->start ? "start" : "end",
		  __entry->sync_mode == WB_SYNC_ALL ? "all" : "none",
		  __entry->nr_to_write)
);

/* 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>
c83ae9ca	13	#include <linux/writeback.h>
63997775 SW	14	#include "incore.h"
	15	#include "glock.h"
	16
	17	#define dlm_state_name(nn) { DLM_LOCK_##nn, #nn }
	18	#define glock_trace_name(x) __print_symbolic(x, \
	19	dlm_state_name(IV), \
	20	dlm_state_name(NL), \
	21	dlm_state_name(CR), \
	22	dlm_state_name(CW), \
	23	dlm_state_name(PR), \
	24	dlm_state_name(PW), \
	25	dlm_state_name(EX))
	26
	27	#define block_state_name(x) __print_symbolic(x, \
	28	{ GFS2_BLKST_FREE, "free" }, \
	29	{ GFS2_BLKST_USED, "used" }, \
	30	{ GFS2_BLKST_DINODE, "dinode" }, \
	31	{ GFS2_BLKST_UNLINKED, "unlinked" })
	32
	33	#define show_glock_flags(flags) __print_flags(flags, "", \
	34	{(1UL << GLF_LOCK), "l" }, \
	35	{(1UL << GLF_DEMOTE), "D" }, \
	36	{(1UL << GLF_PENDING_DEMOTE), "d" }, \
	37	{(1UL << GLF_DEMOTE_IN_PROGRESS), "p" }, \
	38	{(1UL << GLF_DIRTY), "y" }, \
	39	{(1UL << GLF_LFLUSH), "f" }, \
	40	{(1UL << GLF_INVALIDATE_IN_PROGRESS), "i" }, \
	41	{(1UL << GLF_REPLY_PENDING), "r" }, \
	42	{(1UL << GLF_INITIAL), "I" }, \
7b5e3d5f	43	{(1UL << GLF_FROZEN), "F" }, \
627c10b7 SW	44	{(1UL << GLF_QUEUED), "q" }, \
	45	{(1UL << GLF_LRU), "L" }, \
	46	{(1UL << GLF_OBJECT), "o" })
63997775 SW	47
	48	#ifndef NUMPTY
	49	#define NUMPTY
	50	static inline u8 glock_trace_state(unsigned int state)
	51	{
	52	switch(state) {
	53	case LM_ST_SHARED:
	54	return DLM_LOCK_PR;
	55	case LM_ST_DEFERRED:
	56	return DLM_LOCK_CW;
	57	case LM_ST_EXCLUSIVE:
	58	return DLM_LOCK_EX;
	59	}
	60	return DLM_LOCK_NL;
	61	}
	62	#endif
	63
	64	/* Section 1 - Locking
	65	*
	66	* Objectives:
	67	* Latency: Remote demote request to state change
	68	* Latency: Local lock request to state change
	69	* Latency: State change to lock grant
	70	* Correctness: Ordering of local lock state vs. I/O requests
	71	* Correctness: Responses to remote demote requests
	72	*/
	73
	74	/* General glock state change (DLM lock request completes) */
	75	TRACE_EVENT(gfs2_glock_state_change,
	76
	77	TP_PROTO(const struct gfs2_glock *gl, unsigned int new_state),
	78
	79	TP_ARGS(gl, new_state),
	80
	81	TP_STRUCT__entry(
	82	__field( dev_t, dev )
	83	__field( u64, glnum )
	84	__field( u32, gltype )
	85	__field( u8, cur_state )
	86	__field( u8, new_state )
	87	__field( u8, dmt_state )
	88	__field( u8, tgt_state )
	89	__field( unsigned long, flags )
	90	),
	91
	92	TP_fast_assign(
	93	__entry->dev = gl->gl_sbd->sd_vfs->s_dev;
	94	__entry->glnum = gl->gl_name.ln_number;
	95	__entry->gltype = gl->gl_name.ln_type;
	96	__entry->cur_state = glock_trace_state(gl->gl_state);
	97	__entry->new_state = glock_trace_state(new_state);
	98	__entry->tgt_state = glock_trace_state(gl->gl_target);
	99	__entry->dmt_state = glock_trace_state(gl->gl_demote_state);
627c10b7	100	__entry->flags = gl->gl_flags \| (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
63997775 SW	101	),
	102
	103	TP_printk("%u,%u glock %d:%lld state %s to %s tgt:%s dmt:%s flags:%s",
	104	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
	105	(unsigned long long)__entry->glnum,
	106	glock_trace_name(__entry->cur_state),
	107	glock_trace_name(__entry->new_state),
	108	glock_trace_name(__entry->tgt_state),
	109	glock_trace_name(__entry->dmt_state),
	110	show_glock_flags(__entry->flags))
	111	);
	112
	113	/* State change -> unlocked, glock is being deallocated */
	114	TRACE_EVENT(gfs2_glock_put,
	115
	116	TP_PROTO(const struct gfs2_glock *gl),
	117
	118	TP_ARGS(gl),
	119
	120	TP_STRUCT__entry(
	121	__field( dev_t, dev )
	122	__field( u64, glnum )
	123	__field( u32, gltype )
	124	__field( u8, cur_state )
	125	__field( unsigned long, flags )
	126	),
	127
	128	TP_fast_assign(
	129	__entry->dev = gl->gl_sbd->sd_vfs->s_dev;
	130	__entry->gltype = gl->gl_name.ln_type;
	131	__entry->glnum = gl->gl_name.ln_number;
	132	__entry->cur_state = glock_trace_state(gl->gl_state);
627c10b7	133	__entry->flags = gl->gl_flags \| (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
63997775 SW	134	),
	135
	136	TP_printk("%u,%u glock %d:%lld state %s => %s flags:%s",
	137	MAJOR(__entry->dev), MINOR(__entry->dev),
	138	__entry->gltype, (unsigned long long)__entry->glnum,
	139	glock_trace_name(__entry->cur_state),
	140	glock_trace_name(DLM_LOCK_IV),
	141	show_glock_flags(__entry->flags))
	142
	143	);
	144
	145	/* Callback (local or remote) requesting lock demotion */
	146	TRACE_EVENT(gfs2_demote_rq,
	147
	148	TP_PROTO(const struct gfs2_glock *gl),
	149
	150	TP_ARGS(gl),
	151
	152	TP_STRUCT__entry(
	153	__field( dev_t, dev )
	154	__field( u64, glnum )
	155	__field( u32, gltype )
	156	__field( u8, cur_state )
	157	__field( u8, dmt_state )
	158	__field( unsigned long, flags )
	159	),
	160
	161	TP_fast_assign(
	162	__entry->dev = gl->gl_sbd->sd_vfs->s_dev;
	163	__entry->gltype = gl->gl_name.ln_type;
	164	__entry->glnum = gl->gl_name.ln_number;
	165	__entry->cur_state = glock_trace_state(gl->gl_state);
	166	__entry->dmt_state = glock_trace_state(gl->gl_demote_state);
627c10b7	167	__entry->flags = gl->gl_flags \| (gl->gl_object ? (1UL<<GLF_OBJECT) : 0);
63997775 SW	168	),
	169
	170	TP_printk("%u,%u glock %d:%lld demote %s to %s flags:%s",
	171	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
	172	(unsigned long long)__entry->glnum,
	173	glock_trace_name(__entry->cur_state),
	174	glock_trace_name(__entry->dmt_state),
	175	show_glock_flags(__entry->flags))
	176
	177	);
	178
	179	/* Promotion/grant of a glock */
	180	TRACE_EVENT(gfs2_promote,
	181
	182	TP_PROTO(const struct gfs2_holder *gh, int first),
	183
	184	TP_ARGS(gh, first),
	185
	186	TP_STRUCT__entry(
	187	__field( dev_t, dev )
	188	__field( u64, glnum )
	189	__field( u32, gltype )
	190	__field( int, first )
	191	__field( u8, state )
	192	),
	193
	194	TP_fast_assign(
	195	__entry->dev = gh->gh_gl->gl_sbd->sd_vfs->s_dev;
	196	__entry->glnum = gh->gh_gl->gl_name.ln_number;
	197	__entry->gltype = gh->gh_gl->gl_name.ln_type;
	198	__entry->first = first;
	199	__entry->state = glock_trace_state(gh->gh_state);
	200	),
	201
	202	TP_printk("%u,%u glock %u:%llu promote %s %s",
	203	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
	204	(unsigned long long)__entry->glnum,
	205	__entry->first ? "first": "other",
	206	glock_trace_name(__entry->state))
	207	);
	208
	209	/* Queue/dequeue a lock request */
	210	TRACE_EVENT(gfs2_glock_queue,
	211
	212	TP_PROTO(const struct gfs2_holder *gh, int queue),
	213
	214	TP_ARGS(gh, queue),
	215
	216	TP_STRUCT__entry(
	217	__field( dev_t, dev )
	218	__field( u64, glnum )
	219	__field( u32, gltype )
	220	__field( int, queue )
	221	__field( u8, state )
	222	),
	223
	224	TP_fast_assign(
	225	__entry->dev = gh->gh_gl->gl_sbd->sd_vfs->s_dev;
	226	__entry->glnum = gh->gh_gl->gl_name.ln_number;
	227	__entry->gltype = gh->gh_gl->gl_name.ln_type;
	228	__entry->queue = queue;
	229	__entry->state = glock_trace_state(gh->gh_state);
	230	),
	231
232	TP_printk("%u,%u glock %u:%llu %squeue %s",
233	MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype,
234	(unsigned long long)__entry->glnum,
235	__entry->queue ? "" : "de",
236	glock_trace_name(__entry->state))
237	);
238
239	/* Section 2 - Log/journal
240	*
241	* Objectives:
242	* Latency: Log flush time
243	* Correctness: pin/unpin vs. disk I/O ordering
244	* Performance: Log usage stats
245	*/
246
247	/* Pin/unpin a block in the log */
248	TRACE_EVENT(gfs2_pin,
249
250	TP_PROTO(const struct gfs2_bufdata *bd, int pin),
251
252	TP_ARGS(bd, pin),
253
254	TP_STRUCT__entry(
255	__field( dev_t, dev )
256	__field( int, pin )
257	__field( u32, len )
258	__field( sector_t, block )
259	__field( u64, ino )
260	),
261
262	TP_fast_assign(
263	__entry->dev = bd->bd_gl->gl_sbd->sd_vfs->s_dev;
264	__entry->pin = pin;
265	__entry->len = bd->bd_bh->b_size;
266	__entry->block = bd->bd_bh->b_blocknr;
267	__entry->ino = bd->bd_gl->gl_name.ln_number;
268	),
269
270	TP_printk("%u,%u log %s %llu/%lu inode %llu",
271	MAJOR(__entry->dev), MINOR(__entry->dev),
272	__entry->pin ? "pin" : "unpin",
273	(unsigned long long)__entry->block,
274	(unsigned long)__entry->len,
275	(unsigned long long)__entry->ino)
276	);
277
278	/* Flushing the log */
279	TRACE_EVENT(gfs2_log_flush,
280
281	TP_PROTO(const struct gfs2_sbd *sdp, int start),
282
283	TP_ARGS(sdp, start),
284
285	TP_STRUCT__entry(
286	__field( dev_t, dev )
287	__field( int, start )
288	__field( u64, log_seq )
289	),
290
291	TP_fast_assign(
292	__entry->dev = sdp->sd_vfs->s_dev;
293	__entry->start = start;
294	__entry->log_seq = sdp->sd_log_sequence;
295	),
296
297	TP_printk("%u,%u log flush %s %llu",
298	MAJOR(__entry->dev), MINOR(__entry->dev),
299	__entry->start ? "start" : "end",
300	(unsigned long long)__entry->log_seq)
301	);
302
303	/* Reserving/releasing blocks in the log */
304	TRACE_EVENT(gfs2_log_blocks,
305
306	TP_PROTO(const struct gfs2_sbd *sdp, int blocks),
307
308	TP_ARGS(sdp, blocks),
309
310	TP_STRUCT__entry(
311	__field( dev_t, dev )
312	__field( int, blocks )
313	),
314
315	TP_fast_assign(
316	__entry->dev = sdp->sd_vfs->s_dev;
317	__entry->blocks = blocks;
318	),
319
320	TP_printk("%u,%u log reserve %d", MAJOR(__entry->dev),
321	MINOR(__entry->dev), __entry->blocks)
322	);
323
c83ae9ca SW	324	/* Writing back the AIL */
	325	TRACE_EVENT(gfs2_ail_flush,
	326
	327	TP_PROTO(const struct gfs2_sbd sdp, const struct writeback_control wbc, int start),
	328
	329	TP_ARGS(sdp, wbc, start),
	330
	331	TP_STRUCT__entry(
	332	__field( dev_t, dev )
	333	__field( int, start )
	334	__field( int, sync_mode )
	335	__field( long, nr_to_write )
	336	),
	337
	338	TP_fast_assign(
	339	__entry->dev = sdp->sd_vfs->s_dev;
	340	__entry->start = start;
	341	__entry->sync_mode = wbc->sync_mode;
	342	__entry->nr_to_write = wbc->nr_to_write;
	343	),
	344
	345	TP_printk("%u,%u ail flush %s %s %ld", MAJOR(__entry->dev),
	346	MINOR(__entry->dev), __entry->start ? "start" : "end",
	347	__entry->sync_mode == WB_SYNC_ALL ? "all" : "none",
	348	__entry->nr_to_write)
	349	);
	350
63997775 SW	351	/* Section 3 - bmap
	352	*
	353	* Objectives:
	354	* Latency: Bmap request time
	355	* Performance: Block allocator tracing
	356	* Correctness: Test of disard generation vs. blocks allocated
	357	*/
	358
	359	/* Map an extent of blocks, possibly a new allocation */
	360	TRACE_EVENT(gfs2_bmap,
	361
	362	TP_PROTO(const struct gfs2_inode ip, const struct buffer_head bh,
	363	sector_t lblock, int create, int errno),
	364
	365	TP_ARGS(ip, bh, lblock, create, errno),
	366
	367	TP_STRUCT__entry(
	368	__field( dev_t, dev )
	369	__field( sector_t, lblock )
	370	__field( sector_t, pblock )
	371	__field( u64, inum )
	372	__field( unsigned long, state )
	373	__field( u32, len )
	374	__field( int, create )
	375	__field( int, errno )
	376	),
	377
	378	TP_fast_assign(
	379	__entry->dev = ip->i_gl->gl_sbd->sd_vfs->s_dev;
	380	__entry->lblock = lblock;
	381	__entry->pblock = buffer_mapped(bh) ? bh->b_blocknr : 0;
	382	__entry->inum = ip->i_no_addr;
	383	__entry->state = bh->b_state;
	384	__entry->len = bh->b_size;
	385	__entry->create = create;
	386	__entry->errno = errno;
	387	),
	388
	389	TP_printk("%u,%u bmap %llu map %llu/%lu to %llu flags:%08lx %s %d",
	390	MAJOR(__entry->dev), MINOR(__entry->dev),
	391	(unsigned long long)__entry->inum,
	392	(unsigned long long)__entry->lblock,
	393	(unsigned long)__entry->len,
	394	(unsigned long long)__entry->pblock,
	395	__entry->state, __entry->create ? "create " : "nocreate",
	396	__entry->errno)
	397	);
	398
	399	/* Keep track of blocks as they are allocated/freed */
	400	TRACE_EVENT(gfs2_block_alloc,
	401
	402	TP_PROTO(const struct gfs2_inode *ip, u64 block, unsigned len,
	403	u8 block_state),
	404
	405	TP_ARGS(ip, block, len, block_state),
	406
	407	TP_STRUCT__entry(
	408	__field( dev_t, dev )
	409	__field( u64, start )
	410	__field( u64, inum )
	411	__field( u32, len )
	412	__field( u8, block_state )
	413	),
	414
415	TP_fast_assign(
416	__entry->dev = ip->i_gl->gl_sbd->sd_vfs->s_dev;
417	__entry->start = block;
418	__entry->inum = ip->i_no_addr;
419	__entry->len = len;
420	__entry->block_state = block_state;
421	),
422
423	TP_printk("%u,%u bmap %llu alloc %llu/%lu %s",
424	MAJOR(__entry->dev), MINOR(__entry->dev),
425	(unsigned long long)__entry->inum,
426	(unsigned long long)__entry->start,
427	(unsigned long)__entry->len,
428	block_state_name(__entry->block_state))
429	);
430
431	#endif /* _TRACE_GFS2_H */
432
433	/* This part must be outside protection */
434	#undef TRACE_INCLUDE_PATH
435	#define TRACE_INCLUDE_PATH .
d0b6e04a	436	#define TRACE_INCLUDE_FILE trace_gfs2
63997775 SW	437	#include <trace/define_trace.h>
63997775 SW	438