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da89fb165e5e51a2ec1ff8a0ff6bc052d1068184
linux/fs/xfs
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Dave Chinner 14c26c6a05 xfs: add trace points for log forces 
To enable easy tracing of the location of log forces and the
frequency of them via perf, add a pair of trace points to the log
force functions.  This will help debug where excessive log forces
are being issued from by simple perf commands like:

# ~/perf/perf top -e xfs:xfs_log_force -G -U

Which gives this sort of output:

Events: 141  xfs:xfs_log_force
-  100.00%  [kernel]  [k] xfs_log_force
   - xfs_log_force
        87.04% xfsaild
           kthread
           kernel_thread_helper
      - 12.87% xfs_buf_lock
           _xfs_buf_find
           xfs_buf_get
           xfs_trans_get_buf
           xfs_da_do_buf
           xfs_da_get_buf
           xfs_dir2_data_init
           xfs_dir2_leaf_addname
           xfs_dir_createname
           xfs_create
           xfs_vn_mknod
           xfs_vn_create
           vfs_create
           do_last.isra.41
           path_openat
           do_filp_open
           do_sys_open
           sys_open
           system_call_fastpath

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sig.com>
2012-05-21 10:45:44 -05:00
..
Kconfig
quota: Make QUOTACTL config be selected by its users
2010-10-05 12:16:37 +02:00
kmem.c
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
kmem.h
xfs: use a normal shrinker for the dquot freelist
2012-02-10 12:38:09 -06:00
Makefile
xfs: move xfs_do_force_shutdown() and kill xfs_rw.c
2012-05-14 16:20:59 -05:00
mrlock.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
time.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
uuid.c
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
uuid.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_acl.c
xfs: fix acl count validation in xfs_acl_from_disk()
2011-12-16 15:17:42 -06:00
xfs_acl.h
xfs: Fix build breakage in xfs_iops.c when CONFIG_FS_POSIX_ACL is not set
2011-08-01 02:35:04 -04:00
xfs_ag.h
xfs: move busy extent handling to it's own file
2012-05-14 16:20:55 -05:00
xfs_alloc_btree.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_alloc_btree.h
…
xfs_alloc.c
xfs: make xfs_extent_busy_trim not static
2012-05-14 16:21:04 -05:00
xfs_alloc.h
xfs: move busy extent handling to it's own file
2012-05-14 16:20:55 -05:00
xfs_aops.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_aops.h
xfs: log file size updates at I/O completion time
2012-03-13 16:30:49 -05:00
xfs_attr_leaf.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_attr_leaf.h
[XFS] Remove macro-to-function indirections in attr code
2009-01-09 15:46:44 +11:00
xfs_attr_sf.h
xfs: convert attr to use unsigned names
2010-01-20 10:47:48 +11:00
xfs_attr.c
xfs: move xfs_get_extsz_hint() and kill xfs_rw.h
2012-05-14 16:20:58 -05:00
xfs_attr.h
xfs: convert attr to use unsigned names
2010-01-20 10:47:48 +11:00
xfs_bit.c
…
xfs_bit.h
[XFS] Remove macro-to-function indirections in the mask code
2009-01-09 15:53:54 +11:00
xfs_bmap_btree.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_bmap_btree.h
xfs: make several more functions static
2010-01-15 15:31:38 -06:00
xfs_bmap.c
xfs: fix delalloc quota accounting on failure
2012-05-21 10:45:43 -05:00
xfs_bmap.h
xfs: move xfs_fsb_to_db to xfs_bmap.h
2012-05-14 16:20:57 -05:00
xfs_btree.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_btree.h
xfs: Remove the macro XFS_BUF_PTR
2011-07-25 15:03:13 -05:00
xfs_buf_item.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_buf_item.h
xfs: use struct list_head for the buf cancel table
2010-12-16 16:05:22 -06:00
xfs_buf.c
xfs: make XBF_MAPPED the default behaviour
2012-05-14 16:21:03 -05:00
xfs_buf.h
xfs: make XBF_MAPPED the default behaviour
2012-05-14 16:21:03 -05:00
xfs_da_btree.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_da_btree.h
xfs: remove the dead XFS_DABUF_DEBUG code
2011-07-13 13:43:50 +02:00
xfs_dfrag.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_dfrag.h
xfs: clean up inconsistent variable naming in xfs_swap_extent
2010-01-15 15:31:23 -06:00
xfs_dinode.h
xfs: Remove the macro XFS_BUF_PTR
2011-07-25 15:03:13 -05:00
xfs_dir2_block.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_dir2_data.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_dir2_format.h
xfs: cleanup struct xfs_dir2_free
2011-07-13 13:43:48 +02:00
xfs_dir2_leaf.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_dir2_node.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_dir2_priv.h
xfs: reshuffle dir2 headers
2011-07-13 13:43:48 +02:00
xfs_dir2_sf.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_dir2.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_dir2.h
xfs: reshuffle dir2 headers
2011-07-13 13:43:48 +02:00
xfs_discard.c
xfs: clean up busy extent naming
2012-05-14 16:20:56 -05:00
xfs_discard.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_dquot_item.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_dquot_item.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_dquot.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_dquot.h
xfs: on-stack delayed write buffer lists
2012-05-14 16:20:31 -05:00
xfs_error.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_error.h
xfs: kill support/debug.[ch]
2011-03-07 10:09:35 +11:00
xfs_export.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_export.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_extent_busy.c
xfs: make xfs_extent_busy_trim not static
2012-05-14 16:21:04 -05:00
xfs_extent_busy.h
xfs: make xfs_extent_busy_trim not static
2012-05-14 16:21:04 -05:00
xfs_extfree_item.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_extfree_item.h
xfs: Pull EFI/EFD handling out from under the AIL lock
2010-12-20 11:59:49 +11:00
xfs_file.c
xfs: introduce SEEK_DATA/SEEK_HOLE support
2012-05-14 16:21:05 -05:00
xfs_filestream.c
xfs: rename allocation range fields in struct xfs_bmalloca
2011-10-11 21:15:06 -05:00
xfs_filestream.h
xfs: clean up filestreams helpers
2010-07-26 13:16:51 -05:00
xfs_fs_subr.c
xfs: remove the i_size field in struct xfs_inode
2012-01-17 15:08:53 -06:00
xfs_fs.h
xfs: consolidate & clarify mount sanity checks
2011-07-08 11:32:51 -05:00
xfs_fsops.c
xfs: make XBF_MAPPED the default behaviour
2012-05-14 16:21:03 -05:00
xfs_fsops.h
xfs: ensure log covering transactions are synchronous
2011-01-11 20:28:17 -06:00
xfs_globals.c
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_ialloc_btree.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_ialloc_btree.h
xfs: remove superflous inobt macros
2009-02-09 08:37:14 +01:00
xfs_ialloc.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_ialloc.h
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_iget.c
xfs: fix memory reclaim deadlock on agi buffer
2012-05-21 10:45:44 -05:00
xfs_inode_item.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_inode_item.h
xfs: pass shutdown method into xfs_trans_ail_delete_bulk
2012-05-14 16:20:33 -05:00
xfs_inode.c
xfs: make XBF_MAPPED the default behaviour
2012-05-14 16:21:03 -05:00
xfs_inode.h
xfs: move xfs_get_extsz_hint() and kill xfs_rw.h
2012-05-14 16:20:58 -05:00
xfs_inum.h
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_ioctl32.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_ioctl32.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_ioctl.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_ioctl.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_iomap.c
xfs: fix delalloc quota accounting on failure
2012-05-21 10:45:43 -05:00
xfs_iomap.h
xfs: kill xfs_iomap
2010-12-16 16:05:51 -06:00
xfs_iops.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_iops.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_itable.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_itable.h
xfs: remove block number from inode lookup code
2010-06-24 11:35:17 +10:00
xfs_linux.h
xfs: revert to using a kthread for AIL pushing
2011-10-11 11:02:49 -05:00
xfs_log_cil.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_log_priv.h
xfs: Do background CIL flushes via a workqueue
2012-05-14 16:20:34 -05:00
xfs_log_recover.c
xfs: make XBF_MAPPED the default behaviour
2012-05-14 16:21:03 -05:00
xfs_log_recover.h
xfs: Clean up XFS_BLI_* flag namespace
2010-05-24 10:33:39 -05:00
xfs_log.c
xfs: add trace points for log forces
2012-05-21 10:45:44 -05:00
xfs_log.h
xfs: allow assigning the tail lsn with the AIL lock held
2012-05-14 16:20:26 -05:00
xfs_message.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_message.h
treewide: use __printf not __attribute__((format(printf,...)))
2011-10-31 17:30:54 -07:00
xfs_mount.c
xfs: flush outstanding buffers on log mount failure
2012-05-14 16:21:02 -05:00
xfs_mount.h
xfs: Do background CIL flushes via a workqueue
2012-05-14 16:20:34 -05:00
xfs_mru_cache.c
xfs: convert to alloc_workqueue()
2011-02-01 11:42:43 +01:00
xfs_mru_cache.h
xfs: Kill filestreams cache flush
2010-01-15 15:34:22 -06:00
xfs_qm_bhv.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_qm_syscalls.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_qm.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_qm.h
xfs: remove the global xfs_Gqm structure
2012-03-14 12:06:32 -05:00
xfs_quota_priv.h
xfs: use per-filesystem radix trees for dquot lookup
2012-03-14 11:09:06 -05:00
xfs_quota.h
Define new macro XFS_ALL_QUOTA_ACTIVE and simply some usage
2012-02-03 11:32:20 -06:00
xfs_quotaops.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_rename.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_rtalloc.c
xfs: move xfs_get_extsz_hint() and kill xfs_rw.h
2012-05-14 16:20:58 -05:00
xfs_rtalloc.h
xfs: Remove the macro XFS_BUF_PTR
2011-07-25 15:03:13 -05:00
xfs_sb.h
xfs: kill the unused XFS_BB_FSB_OFFSET macro
2012-02-02 17:08:04 -06:00
xfs_stats.c
xfs: use common code for quota statistics
2012-03-14 11:09:06 -05:00
xfs_stats.h
xfs: use common code for quota statistics
2012-03-14 11:09:06 -05:00
xfs_super.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_super.h
xfs: remove the global xfs_Gqm structure
2012-03-14 12:06:32 -05:00
xfs_sync.c
xfs: protect xfs_sync_worker with s_umount semaphore
2012-05-15 14:35:43 -05:00
xfs_sync.h
xfs: log timestamp updates
2012-03-13 17:01:15 -05:00
xfs_sysctl.c
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_sysctl.h
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs_trace.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_trace.h
xfs: add trace points for log forces
2012-05-21 10:45:44 -05:00
xfs_trans_ail.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_trans_buf.c
xfs: make XBF_MAPPED the default behaviour
2012-05-14 16:21:03 -05:00
xfs_trans_dquot.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_trans_extfree.c
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_trans_inode.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_trans_priv.h
xfs: pass shutdown method into xfs_trans_ail_delete_bulk
2012-05-14 16:20:33 -05:00
xfs_trans_space.h
xfs: remove superflous inobt macros
2009-02-09 08:37:14 +01:00
xfs_trans.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_trans.h
xfs: on-stack delayed write buffer lists
2012-05-14 16:20:31 -05:00
xfs_types.h
xfs: move xfsagino_t to xfs_types.h
2012-05-14 16:20:54 -05:00
xfs_utils.c
xfs: clean up xfs_bit.h includes
2012-05-14 16:21:00 -05:00
xfs_utils.h
xfs: propagate umode_t
2012-01-03 22:55:00 -05:00
xfs_vnode.h
xfs: remove remaining scraps of struct xfs_iomap
2012-03-15 13:40:16 -05:00
xfs_vnodeops.c
xfs: fix delalloc quota accounting on failure
2012-05-21 10:45:43 -05:00
xfs_vnodeops.h
xfs: remove remaining scraps of struct xfs_iomap
2012-03-15 13:40:16 -05:00
xfs_xattr.c
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
xfs.h
xfs: don't expect xfs headers to be in subdirectories
2011-08-12 13:57:55 -05:00