diff options
| -rw-r--r-- | fs/ext4/balloc.c | 3 | ||||
| -rw-r--r-- | fs/ext4/extents.c | 13 | ||||
| -rw-r--r-- | fs/ext4/fsync.c | 14 | ||||
| -rw-r--r-- | fs/ext4/ialloc.c | 1 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 24 | ||||
| -rw-r--r-- | fs/ext4/namei.c | 3 | ||||
| -rw-r--r-- | include/trace/events/ext4.h | 775 | ||||
| -rw-r--r-- | include/trace/events/jbd2.h | 78 |
8 files changed, 658 insertions, 253 deletions
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index adf96b82278..97b970e7dd1 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -21,6 +21,8 @@ #include "ext4_jbd2.h" #include "mballoc.h" +#include <trace/events/ext4.h> + /* * balloc.c contains the blocks allocation and deallocation routines */ @@ -342,6 +344,7 @@ ext4_read_block_bitmap(struct super_block *sb, ext4_group_t block_group) * We do it here so the bitmap uptodate bit * get set with buffer lock held. */ + trace_ext4_read_block_bitmap_load(sb, block_group); set_bitmap_uptodate(bh); if (bh_submit_read(bh) < 0) { put_bh(bh); diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 9ea1bc64ca6..f46f6e3c02d 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -44,6 +44,8 @@ #include "ext4_jbd2.h" #include "ext4_extents.h" +#include <trace/events/ext4.h> + static int ext4_ext_truncate_extend_restart(handle_t *handle, struct inode *inode, int needed) @@ -664,6 +666,8 @@ ext4_ext_find_extent(struct inode *inode, ext4_lblk_t block, if (unlikely(!bh)) goto err; if (!bh_uptodate_or_lock(bh)) { + trace_ext4_ext_load_extent(inode, block, + path[ppos].p_block); if (bh_submit_read(bh) < 0) { put_bh(bh); goto err; @@ -3297,7 +3301,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, struct ext4_ext_path *path = NULL; struct ext4_extent_header *eh; struct ext4_extent newex, *ex; - ext4_fsblk_t newblock; + ext4_fsblk_t newblock = 0; int err = 0, depth, ret; unsigned int allocated = 0; struct ext4_allocation_request ar; @@ -3305,6 +3309,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, ext_debug("blocks %u/%u requested for inode %lu\n", map->m_lblk, map->m_len, inode->i_ino); + trace_ext4_ext_map_blocks_enter(inode, map->m_lblk, map->m_len, flags); /* check in cache */ if (ext4_ext_in_cache(inode, map->m_lblk, &newex)) { @@ -3525,6 +3530,8 @@ out2: ext4_ext_drop_refs(path); kfree(path); } + trace_ext4_ext_map_blocks_exit(inode, map->m_lblk, + newblock, map->m_len, err ? err : allocated); return err ? err : allocated; } @@ -3658,6 +3665,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len) if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))) return -EOPNOTSUPP; + trace_ext4_fallocate_enter(inode, offset, len, mode); map.m_lblk = offset >> blkbits; /* * We can't just convert len to max_blocks because @@ -3673,6 +3681,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len) ret = inode_newsize_ok(inode, (len + offset)); if (ret) { mutex_unlock(&inode->i_mutex); + trace_ext4_fallocate_exit(inode, offset, max_blocks, ret); return ret; } retry: @@ -3717,6 +3726,8 @@ retry: goto retry; } mutex_unlock(&inode->i_mutex); + trace_ext4_fallocate_exit(inode, offset, max_blocks, + ret > 0 ? ret2 : ret); return ret > 0 ? ret2 : ret; } diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c index 7829b287822..7f74019d6d7 100644 --- a/fs/ext4/fsync.c +++ b/fs/ext4/fsync.c @@ -164,20 +164,20 @@ int ext4_sync_file(struct file *file, int datasync) J_ASSERT(ext4_journal_current_handle() == NULL); - trace_ext4_sync_file(file, datasync); + trace_ext4_sync_file_enter(file, datasync); if (inode->i_sb->s_flags & MS_RDONLY) return 0; ret = ext4_flush_completed_IO(inode); if (ret < 0) - return ret; + goto out; if (!journal) { ret = generic_file_fsync(file, datasync); if (!ret && !list_empty(&inode->i_dentry)) ext4_sync_parent(inode); - return ret; + goto out; } /* @@ -194,8 +194,10 @@ int ext4_sync_file(struct file *file, int datasync) * (they were dirtied by commit). But that's OK - the blocks are * safe in-journal, which is all fsync() needs to ensure. */ - if (ext4_should_journal_data(inode)) - return ext4_force_commit(inode->i_sb); + if (ext4_should_journal_data(inode)) { + ret = ext4_force_commit(inode->i_sb); + goto out; + } commit_tid = datasync ? ei->i_datasync_tid : ei->i_sync_tid; if (jbd2_log_start_commit(journal, commit_tid)) { @@ -215,5 +217,7 @@ int ext4_sync_file(struct file *file, int datasync) ret = jbd2_log_wait_commit(journal, commit_tid); } else if (journal->j_flags & JBD2_BARRIER) blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL); + out: + trace_ext4_sync_file_exit(inode, ret); return ret; } diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index a679a482c98..254e6b98b5b 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -152,6 +152,7 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group) * We do it here so the bitmap uptodate bit * get set with buffer lock held. */ + trace_ext4_load_inode_bitmap(sb, block_group); set_bitmap_uptodate(bh); if (bh_submit_read(bh) < 0) { put_bh(bh); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index fc8c0ce8431..f44307a2113 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -973,6 +973,7 @@ static int ext4_ind_map_blocks(handle_t *handle, struct inode *inode, int count = 0; ext4_fsblk_t first_block = 0; + trace_ext4_ind_map_blocks_enter(inode, map->m_lblk, map->m_len, flags); J_ASSERT(!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))); J_ASSERT(handle != NULL || (flags & EXT4_GET_BLOCKS_CREATE) == 0); depth = ext4_block_to_path(inode, map->m_lblk, offsets, @@ -1058,6 +1059,8 @@ cleanup: partial--; } out: + trace_ext4_ind_map_blocks_exit(inode, map->m_lblk, + map->m_pblk, map->m_len, err); return err; } @@ -3379,6 +3382,7 @@ static sector_t ext4_bmap(struct address_space *mapping, sector_t block) static int ext4_readpage(struct file *file, struct page *page) { + trace_ext4_readpage(page); return mpage_readpage(page, ext4_get_block); } @@ -3413,6 +3417,8 @@ static void ext4_invalidatepage(struct page *page, unsigned long offset) { journal_t *journal = EXT4_JOURNAL(page->mapping->host); + trace_ext4_invalidatepage(page, offset); + /* * free any io_end structure allocated for buffers to be discarded */ @@ -3434,6 +3440,8 @@ static int ext4_releasepage(struct page *page, gfp_t wait) { journal_t *journal = EXT4_JOURNAL(page->mapping->host); + trace_ext4_releasepage(page); + WARN_ON(PageChecked(page)); if (!page_has_buffers(page)) return 0; @@ -3792,11 +3800,16 @@ static ssize_t ext4_direct_IO(int rw, struct kiocb *iocb, { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; + ssize_t ret; + trace_ext4_direct_IO_enter(inode, offset, iov_length(iov, nr_segs), rw); if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) - return ext4_ext_direct_IO(rw, iocb, iov, offset, nr_segs); - - return ext4_ind_direct_IO(rw, iocb, iov, offset, nr_segs); + ret = ext4_ext_direct_IO(rw, iocb, iov, offset, nr_segs); + else + ret = ext4_ind_direct_IO(rw, iocb, iov, offset, nr_segs); + trace_ext4_direct_IO_exit(inode, offset, + iov_length(iov, nr_segs), rw, ret); + return ret; } /* @@ -4425,6 +4438,8 @@ void ext4_truncate(struct inode *inode) ext4_lblk_t last_block; unsigned blocksize = inode->i_sb->s_blocksize; + trace_ext4_truncate_enter(inode); + if (!ext4_can_truncate(inode)) return; @@ -4435,6 +4450,7 @@ void ext4_truncate(struct inode *inode) if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) { ext4_ext_truncate(inode); + trace_ext4_truncate_exit(inode); return; } @@ -4564,6 +4580,7 @@ out_stop: ext4_orphan_del(handle, inode); ext4_journal_stop(handle); + trace_ext4_truncate_exit(inode); } /* @@ -4695,6 +4712,7 @@ make_io: * has in-inode xattrs, or we don't have this inode in memory. * Read the block from disk. */ + trace_ext4_load_inode(inode); get_bh(bh); bh->b_end_io = end_buffer_read_sync; submit_bh(READ_META, bh); diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index ad87584aa8d..f9f83878843 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -40,6 +40,7 @@ #include "xattr.h" #include "acl.h" +#include <trace/events/ext4.h> /* * define how far ahead to read directories while searching them. */ @@ -2183,6 +2184,7 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry) struct ext4_dir_entry_2 *de; handle_t *handle; + trace_ext4_unlink_enter(dir, dentry); /* Initialize quotas before so that eventual writes go * in separate transaction */ dquot_initialize(dir); @@ -2228,6 +2230,7 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry) end_unlink: ext4_journal_stop(handle); brelse(bh); + trace_ext4_unlink_exit(dentry, retval); return retval; } diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index e5e345fb2a5..e09592d2f91 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -21,8 +21,7 @@ TRACE_EVENT(ext4_free_inode, TP_ARGS(inode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( umode_t, mode ) __field( uid_t, uid ) @@ -31,8 +30,7 @@ TRACE_EVENT(ext4_free_inode, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->mode = inode->i_mode; __entry->uid = inode->i_uid; @@ -41,9 +39,9 @@ TRACE_EVENT(ext4_free_inode, ), TP_printk("dev %d,%d ino %lu mode 0%o uid %u gid %u blocks %llu", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->mode, - __entry->uid, __entry->gid, + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->mode, __entry->uid, __entry->gid, (unsigned long long) __entry->blocks) ); @@ -53,21 +51,19 @@ TRACE_EVENT(ext4_request_inode, TP_ARGS(dir, mode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, dir ) __field( umode_t, mode ) ), TP_fast_assign( - __entry->dev_major = MAJOR(dir->i_sb->s_dev); - __entry->dev_minor = MINOR(dir->i_sb->s_dev); + __entry->dev = dir->i_sb->s_dev; __entry->dir = dir->i_ino; __entry->mode = mode; ), TP_printk("dev %d,%d dir %lu mode 0%o", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->dir, __entry->mode) ); @@ -77,23 +73,21 @@ TRACE_EVENT(ext4_allocate_inode, TP_ARGS(inode, dir, mode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( ino_t, dir ) __field( umode_t, mode ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->dir = dir->i_ino; __entry->mode = mode; ), TP_printk("dev %d,%d ino %lu dir %lu mode 0%o", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (unsigned long) __entry->dir, __entry->mode) ); @@ -104,21 +98,19 @@ TRACE_EVENT(ext4_evict_inode, TP_ARGS(inode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( int, nlink ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->nlink = inode->i_nlink; ), TP_printk("dev %d,%d ino %lu nlink %d", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->nlink) ); @@ -128,21 +120,19 @@ TRACE_EVENT(ext4_drop_inode, TP_ARGS(inode, drop), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( int, drop ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->drop = drop; ), TP_printk("dev %d,%d ino %lu drop %d", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->drop) ); @@ -152,21 +142,19 @@ TRACE_EVENT(ext4_mark_inode_dirty, TP_ARGS(inode, IP), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field(unsigned long, ip ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->ip = IP; ), TP_printk("dev %d,%d ino %lu caller %pF", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (void *)__entry->ip) ); @@ -176,21 +164,19 @@ TRACE_EVENT(ext4_begin_ordered_truncate, TP_ARGS(inode, new_size), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( loff_t, new_size ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->new_size = new_size; ), TP_printk("dev %d,%d ino %lu new_size %lld", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (long long) __entry->new_size) ); @@ -203,8 +189,7 @@ DECLARE_EVENT_CLASS(ext4__write_begin, TP_ARGS(inode, pos, len, flags), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( loff_t, pos ) __field( unsigned int, len ) @@ -212,8 +197,7 @@ DECLARE_EVENT_CLASS(ext4__write_begin, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->pos = pos; __entry->len = len; @@ -221,7 +205,7 @@ DECLARE_EVENT_CLASS(ext4__write_begin, ), TP_printk("dev %d,%d ino %lu pos %llu len %u flags %u", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->pos, __entry->len, __entry->flags) ); @@ -249,8 +233,7 @@ DECLARE_EVENT_CLASS(ext4__write_end, TP_ARGS(inode, pos, len, copied), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( loff_t, pos ) __field( unsigned int, len ) @@ -258,8 +241,7 @@ DECLARE_EVENT_CLASS(ext4__write_end, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->pos = pos; __entry->len = len; @@ -267,9 +249,9 @@ DECLARE_EVENT_CLASS(ext4__write_end, ), TP_printk("dev %d,%d ino %lu pos %llu len %u copied %u", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->pos, - __entry->len, __entry->copied) + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->pos, __entry->len, __entry->copied) ); DEFINE_EVENT(ext4__write_end, ext4_ordered_write_end, @@ -310,22 +292,20 @@ TRACE_EVENT(ext4_writepage, TP_ARGS(inode, page), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( pgoff_t, index ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->index = page->index; ), TP_printk("dev %d,%d ino %lu page_index %lu", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->index) ); @@ -335,43 +315,39 @@ TRACE_EVENT(ext4_da_writepages, TP_ARGS(inode, wbc), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( long, nr_to_write ) __field( long, pages_skipped ) __field( loff_t, range_start ) __field( loff_t, range_end ) + __field( int, sync_mode ) __field( char, for_kupdate ) - __field( char, for_reclaim ) __field( char, range_cyclic ) __field( pgoff_t, writeback_index ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->nr_to_write = wbc->nr_to_write; __entry->pages_skipped = wbc->pages_skipped; __entry->range_start = wbc->range_start; __entry->range_end = wbc->range_end; + __entry->sync_mode = wbc->sync_mode; __entry->for_kupdate = wbc->for_kupdate; - __entry->for_reclaim = wbc->for_reclaim; __entry->range_cyclic = wbc->range_cyclic; __entry->writeback_index = inode->i_mapping->writeback_index; ), TP_printk("dev %d,%d ino %lu nr_to_write %ld pages_skipped %ld " - "range_start %llu range_end %llu " - "for_kupdate %d for_reclaim %d " - "range_cyclic %d writeback_index %lu", - __entry->dev_major, __entry->dev_minor, + "range_start %llu range_end %llu sync_mode %d" + "for_kupdate %d range_cyclic %d writeback_index %lu", + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->nr_to_write, __entry->pages_skipped, __entry->range_start, - __entry->range_end, - __entry->for_kupdate, __entry->for_reclaim, - __entry->range_cyclic, + __entry->range_end, __entry->sync_mode, + __entry->for_kupdate, __entry->range_cyclic, (unsigned long) __entry->writeback_index) ); @@ -381,8 +357,7 @@ TRACE_EVENT(ext4_da_write_pages, TP_ARGS(inode, mpd), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( __u64, b_blocknr ) __field( __u32, b_size ) @@ -390,11 +365,11 @@ TRACE_EVENT(ext4_da_write_pages, __field( unsigned long, first_page ) __field( int, io_done ) __field( int, pages_written ) + __field( int, sync_mode ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->b_blocknr = mpd->b_blocknr; __entry->b_size = mpd->b_size; @@ -402,14 +377,18 @@ TRACE_EVENT(ext4_da_write_pages, __entry->first_page = mpd->first_page; __entry->io_done = mpd->io_done; __entry->pages_written = mpd->pages_written; + __entry->sync_mode = mpd->wbc->sync_mode; ), - TP_printk("dev %d,%d ino %lu b_blocknr %llu b_size %u b_state 0x%04x first_page %lu io_done %d pages_written %d", - __entry->dev_major, __entry->dev_minor, + TP_printk("dev %d,%d ino %lu b_blocknr %llu b_size %u b_state 0x%04x " + "first_page %lu io_done %d pages_written %d sync_mode %d", + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->b_blocknr, __entry->b_size, __entry->b_state, __entry->first_page, - __entry->io_done, __entry->pages_written) + __entry->io_done, __entry->pages_written, + __entry->sync_mode + ) ); TRACE_EVENT(ext4_da_writepages_result, @@ -419,35 +398,100 @@ TRACE_EVENT(ext4_da_writepages_result, TP_ARGS(inode, wbc, ret, pages_written), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( int, ret ) __field( int, pages_written ) __field( long, pages_skipped ) + __field( int, sync_mode ) __field( char, more_io ) __field( pgoff_t, writeback_index ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->ret = ret; __entry->pages_written = pages_written; __entry->pages_skipped = wbc->pages_skipped; + __entry->sync_mode = wbc->sync_mode; __entry->more_io = wbc->more_io; __entry->writeback_index = inode->i_mapping->writeback_index; ), - TP_printk("dev %d,%d ino %lu ret %d pages_written %d pages_skipped %ld more_io %d writeback_index %lu", - __entry->dev_major, __entry->dev_minor, + TP_printk("dev %d,%d ino %lu ret %d pages_written %d pages_skipped %ld " + " more_io %d sync_mode %d writeback_index %lu", + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->ret, __entry->pages_written, __entry->pages_skipped, - __entry->more_io, + __entry->more_io, __entry->sync_mode, (unsigned long) __entry->writeback_index) ); +DECLARE_EVENT_CLASS(ext4__page_op, + TP_PROTO(struct page *page), + + TP_ARGS(page), + + TP_STRUCT__entry( + __field( pgoff_t, index ) + __field( ino_t, ino ) + __field( dev_t, dev ) + + ), + + TP_fast_assign( + __entry->index = page->index; + __entry->ino = page->mapping->host->i_ino; + __entry->dev = page->mapping->host->i_sb->s_dev; + ), + + TP_printk("dev %d,%d ino %lu page_index %lu", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->index) +); + +DEFINE_EVENT(ext4__page_op, ext4_readpage, + + TP_PROTO(struct page *page), + + TP_ARGS(page) +); + +DEFINE_EVENT(ext4__page_op, ext4_releasepage, + + TP_PROTO(struct page *page), + + TP_ARGS(page) +); + +TRACE_EVENT(ext4_invalidatepage, + TP_PROTO(struct page *page, unsigned long offset), + + TP_ARGS(page, offset), + + TP_STRUCT__entry( + __field( pgoff_t, index ) + __field( unsigned long, offset ) + __field( ino_t, ino ) + __field( dev_t, dev ) + + ), + + TP_fast_assign( + __entry->index = page->index; + __entry->offset = offset; + __entry->ino = page->mapping->host->i_ino; + __entry->dev = page->mapping->host->i_sb->s_dev; + ), + + TP_printk("dev %d,%d ino %lu page_index %lu offset %lu", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->index, __entry->offset) +); + TRACE_EVENT(ext4_discard_blocks, TP_PROTO(struct super_block *sb, unsigned long long blk, unsigned long long count), @@ -455,22 +499,20 @@ TRACE_EVENT(ext4_discard_blocks, TP_ARGS(sb, blk, count), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( __u64, blk ) __field( __u64, count ) ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->blk = blk; __entry->count = count; ), TP_printk("dev %d,%d blk %llu count %llu", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), __entry->blk, __entry->count) ); @@ -481,8 +523,7 @@ DECLARE_EVENT_CLASS(ext4__mb_new_pa, TP_ARGS(ac, pa), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( __u64, pa_pstart ) __field( __u32, pa_len ) @@ -491,8 +532,7 @@ DECLARE_EVENT_CLASS(ext4__mb_new_pa, ), TP_fast_assign( - __entry->dev_major = MAJOR(ac->ac_sb->s_dev); - __entry->dev_minor = MINOR(ac->ac_sb->s_dev); + __entry->dev = ac->ac_sb->s_dev; __entry->ino = ac->ac_inode->i_ino; __entry->pa_pstart = pa->pa_pstart; __entry->pa_len = pa->pa_len; @@ -500,9 +540,9 @@ DECLARE_EVENT_CLASS(ext4__mb_new_pa, ), TP_printk("dev %d,%d ino %lu pstart %llu len %u lstart %llu", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->pa_pstart, - __entry->pa_len, __entry->pa_lstart) + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart) ); DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_inode_pa, @@ -530,8 +570,7 @@ TRACE_EVENT(ext4_mb_release_inode_pa, TP_ARGS(sb, inode, pa, block, count), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( __u64, block ) __field( __u32, count ) @@ -539,16 +578,16 @@ TRACE_EVENT(ext4_mb_release_inode_pa, ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->ino = inode->i_ino; __entry->block = block; __entry->count = count; ), TP_printk("dev %d,%d ino %lu block %llu count %u", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->block, __entry->count) + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->block, __entry->count) ); TRACE_EVENT(ext4_mb_release_group_pa, @@ -558,22 +597,20 @@ TRACE_EVENT(ext4_mb_release_group_pa, TP_ARGS(sb, pa), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( __u64, pa_pstart ) __field( __u32, pa_len ) ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->pa_pstart = pa->pa_pstart; __entry->pa_len = pa->pa_len; ), TP_printk("dev %d,%d pstart %llu len %u", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), __entry->pa_pstart, __entry->pa_len) ); @@ -583,20 +620,18 @@ TRACE_EVENT(ext4_discard_preallocations, TP_ARGS(inode), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; ), TP_printk("dev %d,%d ino %lu", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino) ); @@ -606,20 +641,19 @@ TRACE_EVENT(ext4_mb_discard_preallocations, TP_ARGS(sb, needed), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( int, needed ) ), TP_fast_assign( - __entry->dev_major = MAJOR(sb->s_dev); - __entry->dev_minor = MINOR(sb->s_dev); + __entry->dev = sb->s_dev; __entry->needed = needed; ), TP_printk("dev %d,%d needed %d", - __entry->dev_major, __entry->dev_minor, __entry->needed) + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->needed) ); TRACE_EVENT(ext4_request_blocks, @@ -628,8 +662,7 @@ TRACE_EVENT(ext4_request_blocks, TP_ARGS(ar), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( unsigned int, flags ) __field( unsigned int, len ) @@ -642,8 +675,7 @@ TRACE_EVENT(ext4_request_blocks, ), TP_fast_assign( - __entry->dev_major = MAJOR(ar->inode->i_sb->s_dev); - __entry->dev_minor = MINOR(ar->inode->i_sb->s_dev); + __entry->dev = ar->inode->i_sb->s_dev; __entry->ino = ar->inode->i_ino; __entry->flags = ar->flags; __entry->len = ar->len; @@ -655,8 +687,9 @@ TRACE_EVENT(ext4_request_blocks, __entry->pright = ar->pright; ), - TP_printk("dev %d,%d ino %lu flags %u len %u lblk %llu goal %llu lleft %llu lright %llu pleft %llu pright %llu ", - __entry->dev_major, __entry->dev_minor, + TP_printk("dev %d,%d ino %lu flags %u len %u lblk %llu goal %llu " + "lleft %llu lright %llu pleft %llu pright %llu ", + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->flags, __entry->len, (unsigned long long) __entry->logical, @@ -673,8 +706,7 @@ TRACE_EVENT(ext4_allocate_blocks, TP_ARGS(ar, block), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( __u64, block ) __field( unsigned int, flags ) @@ -688,8 +720,7 @@ TRACE_EVENT(ext4_allocate_blocks, ), TP_fast_assign( - __entry->dev_major = MAJOR(ar->inode->i_sb->s_dev); - __entry->dev_minor = MINOR(ar->inode->i_sb->s_dev); + __entry->dev = ar->inode->i_sb->s_dev; __entry->ino = ar->inode->i_ino; __entry->block = block; __entry->flags = ar->flags; @@ -702,10 +733,11 @@ TRACE_EVENT(ext4_allocate_blocks, __entry->pright = ar->pright; ), - TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %llu goal %llu lleft %llu lright %llu pleft %llu pright %llu ", - __entry->dev_major, __entry->dev_minor, - (unsigned long) __entry->ino, __entry->flags, - __entry->len, __entry->block, + TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %llu " + "goal %llu lleft %llu lright %llu pleft %llu pright %llu", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino, + __entry->flags, __entry->len, __entry->block, (unsigned long long) __entry->logical, (unsigned long long) __entry->goal, (unsigned long long) __entry->lleft, @@ -721,8 +753,7 @@ TRACE_EVENT(ext4_free_blocks, TP_ARGS(inode, block, count, flags), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( umode_t, mode ) __field( __u64, block ) @@ -731,8 +762,7 @@ TRACE_EVENT(ext4_free_blocks, ), TP_fast_assign( - __entry->dev_major = MAJOR(inode->i_sb->s_dev); - __entry->dev_minor = MINOR(inode->i_sb->s_dev); + __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; __entry->mode = inode->i_mode; __entry->block = block; @@ -741,20 +771,19 @@ TRACE_EVENT(ext4_free_blocks, ), TP_printk("dev %d,%d ino %lu mode 0%o block %llu count %lu flags %d", - __entry->dev_major, __entry->dev_minor, + MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->mode, __entry->block, __entry->count, __entry->flags) ); -TRACE_EVENT(ext4_sync_file, +TRACE_EVENT(ext4_sync_file_enter, TP_PROTO(struct file *file, int datasync), TP_ARGS(file, datasync), TP_STRUCT__entry( - __field( int, dev_major ) - __field( int, dev_minor ) + __field( dev_t, dev ) __field( ino_t, ino ) __field( ino_t, parent ) __field( int, datasync ) @@ -763,39 +792,60 @@ TRACE_EVENT(ext4_sync_file, TP_fast_assign( struct dentry *dentry = file->f_path.dentry; - __entry->dev_major = MAJOR(dentry->d_inode->i_sb->s_dev); - __entry->dev_minor = MINOR(dentry->d_inode-> |