diff options
author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-12-24 04:43:33 +0100 |
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committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-06 05:24:19 +0100 |
commit | 89056f245bce2cb833726927783337c5dc59eac0 (patch) | |
tree | 18c9fbcece8b7322d7e215057077f2b762acba99 /fs/bcachefs/debug.c | |
parent | bcachefs: btree_trans always has stats (diff) | |
download | linux-89056f245bce2cb833726927783337c5dc59eac0.tar.xz linux-89056f245bce2cb833726927783337c5dc59eac0.zip |
bcachefs: track transaction durations
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/debug.c')
-rw-r--r-- | fs/bcachefs/debug.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/fs/bcachefs/debug.c b/fs/bcachefs/debug.c index c0b4d9057f29..de5bfc0d4684 100644 --- a/fs/bcachefs/debug.c +++ b/fs/bcachefs/debug.c @@ -693,7 +693,7 @@ static const struct file_operations journal_pins_ops = { .read = bch2_journal_pins_read, }; -static int lock_held_stats_open(struct inode *inode, struct file *file) +static int btree_transaction_stats_open(struct inode *inode, struct file *file) { struct bch_fs *c = inode->i_private; struct dump_iter *i; @@ -703,7 +703,7 @@ static int lock_held_stats_open(struct inode *inode, struct file *file) if (!i) return -ENOMEM; - i->iter = 0; + i->iter = 1; i->c = c; i->buf = PRINTBUF; file->private_data = i; @@ -711,7 +711,7 @@ static int lock_held_stats_open(struct inode *inode, struct file *file) return 0; } -static int lock_held_stats_release(struct inode *inode, struct file *file) +static int btree_transaction_stats_release(struct inode *inode, struct file *file) { struct dump_iter *i = file->private_data; @@ -721,8 +721,8 @@ static int lock_held_stats_release(struct inode *inode, struct file *file) return 0; } -static ssize_t lock_held_stats_read(struct file *file, char __user *buf, - size_t size, loff_t *ppos) +static ssize_t btree_transaction_stats_read(struct file *file, char __user *buf, + size_t size, loff_t *ppos) { struct dump_iter *i = file->private_data; struct bch_fs *c = i->c; @@ -755,6 +755,13 @@ static ssize_t lock_held_stats_read(struct file *file, char __user *buf, prt_printf(&i->buf, "Max mem used: %u", s->max_mem); prt_newline(&i->buf); + prt_printf(&i->buf, "Transaction duration:"); + prt_newline(&i->buf); + + printbuf_indent_add(&i->buf, 2); + bch2_time_stats_to_text(&i->buf, &s->duration); + printbuf_indent_sub(&i->buf, 2); + if (IS_ENABLED(CONFIG_BCACHEFS_LOCK_TIME_STATS)) { prt_printf(&i->buf, "Lock hold times:"); prt_newline(&i->buf); @@ -786,11 +793,11 @@ static ssize_t lock_held_stats_read(struct file *file, char __user *buf, return i->ret; } -static const struct file_operations lock_held_stats_op = { - .owner = THIS_MODULE, - .open = lock_held_stats_open, - .release = lock_held_stats_release, - .read = lock_held_stats_read, +static const struct file_operations btree_transaction_stats_op = { + .owner = THIS_MODULE, + .open = btree_transaction_stats_open, + .release = btree_transaction_stats_release, + .read = btree_transaction_stats_read, }; static ssize_t bch2_btree_deadlock_read(struct file *file, char __user *buf, @@ -882,7 +889,7 @@ void bch2_fs_debug_init(struct bch_fs *c) c->btree_debug, &journal_pins_ops); debugfs_create_file("btree_transaction_stats", 0400, c->fs_debug_dir, - c, &lock_held_stats_op); + c, &btree_transaction_stats_op); debugfs_create_file("btree_deadlock", 0400, c->fs_debug_dir, c->btree_debug, &btree_deadlock_ops); |