diff options
author | Theodore Ts'o <tytso@mit.edu> | 2013-07-01 12:12:40 (GMT) |
---|---|---|
committer | Theodore Ts'o <tytso@mit.edu> | 2013-07-01 12:12:40 (GMT) |
commit | 21ddd568c133024196d394c43923f55cad1e7bd0 (patch) | |
tree | 2fc296ba15e286223e53f638c5f47c94f0ced7de /include/trace/events/ext4.h | |
parent | cb530541182bee14112675046331f20a1c831507 (diff) | |
download | linux-21ddd568c133024196d394c43923f55cad1e7bd0.tar.xz |
ext4: translate flag bits to strings in tracepoints
Translate the bitfields used in various flags argument to strings to
make the tracepoint output more human-readable.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'include/trace/events/ext4.h')
-rw-r--r-- | include/trace/events/ext4.h | 135 |
1 files changed, 96 insertions, 39 deletions
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 72f523e..2068db2 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -19,6 +19,57 @@ struct extent_status; #define EXT4_I(inode) (container_of(inode, struct ext4_inode_info, vfs_inode)) +#define show_mballoc_flags(flags) __print_flags(flags, "|", \ + { EXT4_MB_HINT_MERGE, "HINT_MERGE" }, \ + { EXT4_MB_HINT_RESERVED, "HINT_RESV" }, \ + { EXT4_MB_HINT_METADATA, "HINT_MDATA" }, \ + { EXT4_MB_HINT_FIRST, "HINT_FIRST" }, \ + { EXT4_MB_HINT_BEST, "HINT_BEST" }, \ + { EXT4_MB_HINT_DATA, "HINT_DATA" }, \ + { EXT4_MB_HINT_NOPREALLOC, "HINT_NOPREALLOC" }, \ + { EXT4_MB_HINT_GROUP_ALLOC, "HINT_GRP_ALLOC" }, \ + { EXT4_MB_HINT_GOAL_ONLY, "HINT_GOAL_ONLY" }, \ + { EXT4_MB_HINT_TRY_GOAL, "HINT_TRY_GOAL" }, \ + { EXT4_MB_DELALLOC_RESERVED, "DELALLOC_RESV" }, \ + { EXT4_MB_STREAM_ALLOC, "STREAM_ALLOC" }, \ + { EXT4_MB_USE_ROOT_BLOCKS, "USE_ROOT_BLKS" }, \ + { EXT4_MB_USE_RESERVED, "USE_RESV" }) + +#define show_map_flags(flags) __print_flags(flags, "|", \ + { EXT4_GET_BLOCKS_CREATE, "CREATE" }, \ + { EXT4_GET_BLOCKS_UNINIT_EXT, "UNINIT" }, \ + { EXT4_GET_BLOCKS_DELALLOC_RESERVE, "DELALLOC" }, \ + { EXT4_GET_BLOCKS_PRE_IO, "PRE_IO" }, \ + { EXT4_GET_BLOCKS_CONVERT, "CONVERT" }, \ + { EXT4_GET_BLOCKS_METADATA_NOFAIL, "METADATA_NOFAIL" }, \ + { EXT4_GET_BLOCKS_NO_NORMALIZE, "NO_NORMALIZE" }, \ + { EXT4_GET_BLOCKS_KEEP_SIZE, "KEEP_SIZE" }, \ + { EXT4_GET_BLOCKS_NO_LOCK, "NO_LOCK" }, \ + { EXT4_GET_BLOCKS_NO_PUT_HOLE, "NO_PUT_HOLE" }) + +#define show_mflags(flags) __print_flags(flags, "", \ + { EXT4_MAP_NEW, "N" }, \ + { EXT4_MAP_MAPPED, "M" }, \ + { EXT4_MAP_UNWRITTEN, "U" }, \ + { EXT4_MAP_BOUNDARY, "B" }, \ + { EXT4_MAP_UNINIT, "u" }, \ + { EXT4_MAP_FROM_CLUSTER, "C" }) + +#define show_free_flags(flags) __print_flags(flags, "|", \ + { EXT4_FREE_BLOCKS_METADATA, "METADATA" }, \ + { EXT4_FREE_BLOCKS_FORGET, "FORGET" }, \ + { EXT4_FREE_BLOCKS_VALIDATED, "VALIDATED" }, \ + { EXT4_FREE_BLOCKS_NO_QUOT_UPDATE, "NO_QUOTA" }, \ + { EXT4_FREE_BLOCKS_NOFREE_FIRST_CLUSTER,"1ST_CLUSTER" },\ + { EXT4_FREE_BLOCKS_NOFREE_LAST_CLUSTER, "LAST_CLUSTER" }) + +#define show_extent_status(status) __print_flags(status, "", \ + { (1 << 3), "W" }, \ + { (1 << 2), "U" }, \ + { (1 << 1), "D" }, \ + { (1 << 0), "H" }) + + TRACE_EVENT(ext4_free_inode, TP_PROTO(struct inode *inode), @@ -373,10 +424,10 @@ TRACE_EVENT(ext4_da_write_pages_extent, __entry->flags = map->m_flags; ), - TP_printk("dev %d,%d ino %lu lblk %llu len %u flags 0x%04x", + TP_printk("dev %d,%d ino %lu lblk %llu len %u flags %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->lblk, __entry->len, - __entry->flags) + show_mflags(__entry->flags)) ); TRACE_EVENT(ext4_writepages_result, @@ -691,10 +742,10 @@ TRACE_EVENT(ext4_request_blocks, __entry->flags = ar->flags; ), - TP_printk("dev %d,%d ino %lu flags %u len %u lblk %u goal %llu " + TP_printk("dev %d,%d ino %lu flags %s len %u lblk %u goal %llu " "lleft %u lright %u pleft %llu pright %llu ", MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, __entry->flags, + (unsigned long) __entry->ino, show_mballoc_flags(__entry->flags), __entry->len, __entry->logical, __entry->goal, __entry->lleft, __entry->lright, __entry->pleft, __entry->pright) @@ -733,10 +784,10 @@ TRACE_EVENT(ext4_allocate_blocks, __entry->flags = ar->flags; ), - TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %u " + TP_printk("dev %d,%d ino %lu flags %s len %u block %llu lblk %u " "goal %llu lleft %u lright %u pleft %llu pright %llu", MAJOR(__entry->dev), MINOR(__entry->dev), - (unsigned long) __entry->ino, __entry->flags, + (unsigned long) __entry->ino, show_mballoc_flags(__entry->flags), __entry->len, __entry->block, __entry->logical, __entry->goal, __entry->lleft, __entry->lright, __entry->pleft, __entry->pright) @@ -766,11 +817,11 @@ TRACE_EVENT(ext4_free_blocks, __entry->mode = inode->i_mode; ), - TP_printk("dev %d,%d ino %lu mode 0%o block %llu count %lu flags %d", + TP_printk("dev %d,%d ino %lu mode 0%o block %llu count %lu flags %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->mode, __entry->block, __entry->count, - __entry->flags) + show_free_flags(__entry->flags)) ); TRACE_EVENT(ext4_sync_file_enter, @@ -921,7 +972,7 @@ TRACE_EVENT(ext4_mballoc_alloc, ), TP_printk("dev %d,%d inode %lu orig %u/%d/%u@%u goal %u/%d/%u@%u " - "result %u/%d/%u@%u blks %u grps %u cr %u flags 0x%04x " + "result %u/%d/%u@%u blks %u grps %u cr %u flags %s " "tail %u broken %u", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, @@ -932,7 +983,7 @@ TRACE_EVENT(ext4_mballoc_alloc, __entry->result_group, __entry->result_start, __entry->result_len, __entry->result_logical, __entry->found, __entry->groups, __entry->cr, - __entry->flags, __entry->tail, + show_mballoc_flags(__entry->flags), __entry->tail, __entry->buddy ? 1 << __entry->buddy : 0) ); @@ -1546,10 +1597,10 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_enter, __entry->flags = flags; ), - TP_printk("dev %d,%d ino %lu lblk %u len %u flags %u", + TP_printk("dev %d,%d ino %lu lblk %u len %u flags %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, - __entry->lblk, __entry->len, __entry->flags) + __entry->lblk, __entry->len, show_map_flags(__entry->flags)) ); DEFINE_EVENT(ext4__map_blocks_enter, ext4_ext_map_blocks_enter, @@ -1567,47 +1618,53 @@ DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter, ); DECLARE_EVENT_CLASS(ext4__map_blocks_exit, - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret), + TP_PROTO(struct inode *inode, unsigned flags, struct ext4_map_blocks *map, + int ret), - TP_ARGS(inode, map, ret), + TP_ARGS(inode, flags, map, ret), TP_STRUCT__entry( __field( dev_t, dev ) __field( ino_t, ino ) + __field( unsigned int, flags ) __field( ext4_fsblk_t, pblk ) __field( ext4_lblk_t, lblk ) __field( unsigned int, len ) - __field( unsigned int, flags ) + __field( unsigned int, mflags ) __field( int, ret ) ), TP_fast_assign( __entry->dev = inode->i_sb->s_dev; __entry->ino = inode->i_ino; + __entry->flags = flags; __entry->pblk = map->m_pblk; __entry->lblk = map->m_lblk; __entry->len = map->m_len; - __entry->flags = map->m_flags; + __entry->mflags = map->m_flags; __entry->ret = ret; ), - TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u flags %x ret %d", + TP_printk("dev %d,%d ino %lu flags %s lblk %u pblk %llu len %u " + "mflags %s ret %d", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, - __entry->lblk, __entry->pblk, - __entry->len, __entry->flags, __entry->ret) + show_map_flags(__entry->flags), __entry->lblk, __entry->pblk, + __entry->len, show_mflags(__entry->mflags), __entry->ret) ); DEFINE_EVENT(ext4__map_blocks_exit, ext4_ext_map_blocks_exit, - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret), + TP_PROTO(struct inode *inode, unsigned flags, + struct ext4_map_blocks *map, int ret), - TP_ARGS(inode, map, ret) + TP_ARGS(inode, flags, map, ret) ); DEFINE_EVENT(ext4__map_blocks_exit, ext4_ind_map_blocks_exit, - TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret), + TP_PROTO(struct inode *inode, unsigned flags, + struct ext4_map_blocks *map, int ret), - TP_ARGS(inode, map, ret) + TP_ARGS(inode, flags, map, ret) ); TRACE_EVENT(ext4_ext_load_extent, @@ -1779,12 +1836,12 @@ TRACE_EVENT(ext4_ext_handle_uninitialized_extents, __entry->newblk = newblock; ), - TP_printk("dev %d,%d ino %lu m_lblk %u m_pblk %llu m_len %u flags %x " + TP_printk("dev %d,%d ino %lu m_lblk %u m_pblk %llu m_len %u flags %s " "allocated %d newblock %llu", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, (unsigned) __entry->lblk, (unsigned long long) __entry->pblk, - __entry->len, __entry->flags, + __entry->len, show_map_flags(__entry->flags), (unsigned int) __entry->allocated, (unsigned long long) __entry->newblk) ); @@ -1812,10 +1869,10 @@ TRACE_EVENT(ext4_get_implied_cluster_alloc_exit, __entry->ret = ret; ), - TP_printk("dev %d,%d m_lblk %u m_pblk %llu m_len %u m_flags %u ret %d", + TP_printk("dev %d,%d m_lblk %u m_pblk %llu m_len %u m_flags %s ret %d", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->lblk, (unsigned long long) __entry->pblk, - __entry->len, __entry->flags, __entry->ret) + __entry->len, show_mflags(__entry->flags), __entry->ret) ); TRACE_EVENT(ext4_ext_put_in_cache, @@ -2146,7 +2203,7 @@ TRACE_EVENT(ext4_es_insert_extent, __field( ext4_lblk_t, lblk ) __field( ext4_lblk_t, len ) __field( ext4_fsblk_t, pblk ) - __field( unsigned long long, status ) + __field( char, status ) ), TP_fast_assign( @@ -2155,14 +2212,14 @@ TRACE_EVENT(ext4_es_insert_extent, __entry->lblk = es->es_lblk; __entry->len = es->es_len; __entry->pblk = ext4_es_pblock(es); - __entry->status = ext4_es_status(es); + __entry->status = ext4_es_status(es) >> 60; ), - TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %llx", + TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->lblk, __entry->len, - __entry->pblk, __entry->status) + __entry->pblk, show_extent_status(__entry->status)) ); TRACE_EVENT(ext4_es_remove_extent, @@ -2223,7 +2280,7 @@ TRACE_EVENT(ext4_es_find_delayed_extent_range_exit, __field( ext4_lblk_t, lblk ) __field( ext4_lblk_t, len ) __field( ext4_fsblk_t, pblk ) - __field( unsigned long long, status ) + __field( char, status ) ), TP_fast_assign( @@ -2232,14 +2289,14 @@ TRACE_EVENT(ext4_es_find_delayed_extent_range_exit, __entry->lblk = es->es_lblk; __entry->len = es->es_len; __entry->pblk = ext4_es_pblock(es); - __entry->status = ext4_es_status(es); + __entry->status = ext4_es_status(es) >> 60; ), - TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %llx", + TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->lblk, __entry->len, - __entry->pblk, __entry->status) + __entry->pblk, show_extent_status(__entry->status)) ); TRACE_EVENT(ext4_es_lookup_extent_enter, @@ -2276,7 +2333,7 @@ TRACE_EVENT(ext4_es_lookup_extent_exit, __field( ext4_lblk_t, lblk ) __field( ext4_lblk_t, len ) __field( ext4_fsblk_t, pblk ) - __field( unsigned long long, status ) + __field( char, status ) __field( int, found ) ), @@ -2286,16 +2343,16 @@ TRACE_EVENT(ext4_es_lookup_extent_exit, __entry->lblk = es->es_lblk; __entry->len = es->es_len; __entry->pblk = ext4_es_pblock(es); - __entry->status = ext4_es_status(es); + __entry->status = ext4_es_status(es) >> 60; __entry->found = found; ), - TP_printk("dev %d,%d ino %lu found %d [%u/%u) %llu %llx", + TP_printk("dev %d,%d ino %lu found %d [%u/%u) %llu %s", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->found, __entry->lblk, __entry->len, __entry->found ? __entry->pblk : 0, - __entry->found ? __entry->status : 0) + show_extent_status(__entry->found ? __entry->status : 0)) ); TRACE_EVENT(ext4_es_shrink_enter, |