linux/include/trace/events/nilfs2.h
Hitoshi Mitake a9cd207c23 nilfs2: add tracepoints for analyzing reading and writing metadata files
This patch adds tracepoints for analyzing requests of reading and writing
metadata files.  The tracepoints cover every in-place mdt files (cpfile,
sufile, and datfile).

Example of tracing mdt_insert_new_block():
              cp-14635 [000] ...1 30598.199309: nilfs2_mdt_insert_new_block: inode = ffff88022a8d0178 ino = 3 block = 155
              cp-14635 [000] ...1 30598.199520: nilfs2_mdt_insert_new_block: inode = ffff88022a8d0178 ino = 3 block = 5
              cp-14635 [000] ...1 30598.200828: nilfs2_mdt_insert_new_block: inode = ffff88022a8d0178 ino = 3 block = 253

Signed-off-by: Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: TK Kato <TK.Kato@wdc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-06 17:50:42 -08:00

225 lines
5.2 KiB
C

#undef TRACE_SYSTEM
#define TRACE_SYSTEM nilfs2
#if !defined(_TRACE_NILFS2_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_NILFS2_H
#include <linux/tracepoint.h>
struct nilfs_sc_info;
#define show_collection_stage(type) \
__print_symbolic(type, \
{ NILFS_ST_INIT, "ST_INIT" }, \
{ NILFS_ST_GC, "ST_GC" }, \
{ NILFS_ST_FILE, "ST_FILE" }, \
{ NILFS_ST_IFILE, "ST_IFILE" }, \
{ NILFS_ST_CPFILE, "ST_CPFILE" }, \
{ NILFS_ST_SUFILE, "ST_SUFILE" }, \
{ NILFS_ST_DAT, "ST_DAT" }, \
{ NILFS_ST_SR, "ST_SR" }, \
{ NILFS_ST_DSYNC, "ST_DSYNC" }, \
{ NILFS_ST_DONE, "ST_DONE"})
TRACE_EVENT(nilfs2_collection_stage_transition,
TP_PROTO(struct nilfs_sc_info *sci),
TP_ARGS(sci),
TP_STRUCT__entry(
__field(void *, sci)
__field(int, stage)
),
TP_fast_assign(
__entry->sci = sci;
__entry->stage = sci->sc_stage.scnt;
),
TP_printk("sci = %p stage = %s",
__entry->sci,
show_collection_stage(__entry->stage))
);
#ifndef TRACE_HEADER_MULTI_READ
enum nilfs2_transaction_transition_state {
TRACE_NILFS2_TRANSACTION_BEGIN,
TRACE_NILFS2_TRANSACTION_COMMIT,
TRACE_NILFS2_TRANSACTION_ABORT,
TRACE_NILFS2_TRANSACTION_TRYLOCK,
TRACE_NILFS2_TRANSACTION_LOCK,
TRACE_NILFS2_TRANSACTION_UNLOCK,
};
#endif
#define show_transaction_state(type) \
__print_symbolic(type, \
{ TRACE_NILFS2_TRANSACTION_BEGIN, "BEGIN" }, \
{ TRACE_NILFS2_TRANSACTION_COMMIT, "COMMIT" }, \
{ TRACE_NILFS2_TRANSACTION_ABORT, "ABORT" }, \
{ TRACE_NILFS2_TRANSACTION_TRYLOCK, "TRYLOCK" }, \
{ TRACE_NILFS2_TRANSACTION_LOCK, "LOCK" }, \
{ TRACE_NILFS2_TRANSACTION_UNLOCK, "UNLOCK" })
TRACE_EVENT(nilfs2_transaction_transition,
TP_PROTO(struct super_block *sb,
struct nilfs_transaction_info *ti,
int count,
unsigned int flags,
enum nilfs2_transaction_transition_state state),
TP_ARGS(sb, ti, count, flags, state),
TP_STRUCT__entry(
__field(void *, sb)
__field(void *, ti)
__field(int, count)
__field(unsigned int, flags)
__field(int, state)
),
TP_fast_assign(
__entry->sb = sb;
__entry->ti = ti;
__entry->count = count;
__entry->flags = flags;
__entry->state = state;
),
TP_printk("sb = %p ti = %p count = %d flags = %x state = %s",
__entry->sb,
__entry->ti,
__entry->count,
__entry->flags,
show_transaction_state(__entry->state))
);
TRACE_EVENT(nilfs2_segment_usage_check,
TP_PROTO(struct inode *sufile,
__u64 segnum,
unsigned long cnt),
TP_ARGS(sufile, segnum, cnt),
TP_STRUCT__entry(
__field(struct inode *, sufile)
__field(__u64, segnum)
__field(unsigned long, cnt)
),
TP_fast_assign(
__entry->sufile = sufile;
__entry->segnum = segnum;
__entry->cnt = cnt;
),
TP_printk("sufile = %p segnum = %llu cnt = %lu",
__entry->sufile,
__entry->segnum,
__entry->cnt)
);
TRACE_EVENT(nilfs2_segment_usage_allocated,
TP_PROTO(struct inode *sufile,
__u64 segnum),
TP_ARGS(sufile, segnum),
TP_STRUCT__entry(
__field(struct inode *, sufile)
__field(__u64, segnum)
),
TP_fast_assign(
__entry->sufile = sufile;
__entry->segnum = segnum;
),
TP_printk("sufile = %p segnum = %llu",
__entry->sufile,
__entry->segnum)
);
TRACE_EVENT(nilfs2_segment_usage_freed,
TP_PROTO(struct inode *sufile,
__u64 segnum),
TP_ARGS(sufile, segnum),
TP_STRUCT__entry(
__field(struct inode *, sufile)
__field(__u64, segnum)
),
TP_fast_assign(
__entry->sufile = sufile;
__entry->segnum = segnum;
),
TP_printk("sufile = %p segnum = %llu",
__entry->sufile,
__entry->segnum)
);
TRACE_EVENT(nilfs2_mdt_insert_new_block,
TP_PROTO(struct inode *inode,
unsigned long ino,
unsigned long block),
TP_ARGS(inode, ino, block),
TP_STRUCT__entry(
__field(struct inode *, inode)
__field(unsigned long, ino)
__field(unsigned long, block)
),
TP_fast_assign(
__entry->inode = inode;
__entry->ino = ino;
__entry->block = block;
),
TP_printk("inode = %p ino = %lu block = %lu",
__entry->inode,
__entry->ino,
__entry->block)
);
TRACE_EVENT(nilfs2_mdt_submit_block,
TP_PROTO(struct inode *inode,
unsigned long ino,
unsigned long blkoff,
int mode),
TP_ARGS(inode, ino, blkoff, mode),
TP_STRUCT__entry(
__field(struct inode *, inode)
__field(unsigned long, ino)
__field(unsigned long, blkoff)
__field(int, mode)
),
TP_fast_assign(
__entry->inode = inode;
__entry->ino = ino;
__entry->blkoff = blkoff;
__entry->mode = mode;
),
TP_printk("inode = %p ino = %lu blkoff = %lu mode = %x",
__entry->inode,
__entry->ino,
__entry->blkoff,
__entry->mode)
);
#endif /* _TRACE_NILFS2_H */
/* This part must be outside protection */
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE nilfs2
#include <trace/define_trace.h>