# 1 vfs_read Reading from file 1 vfs_write Writing to file 1 __mark_inode_dirty Marking inode dirty 1 vfs_readdir Reading directory content 1 vfs_unlink Unlinking file 1 blocking_notifier_call_chain Blocking notifier 1 lock_super Superblock lock contention 1 vfs_create Creating a file # 2 __bread Synchronous buffer read 2 do_generic_mapping_read Reading file data 2 sock_sendmsg Sending data over socket 2 do_sys_open Opening file 2 do_sys_poll Waiting for event (poll) 2 core_sys_select Waiting for event (select) 2 proc_reg_read Reading from /proc file 2 __pollwait Waiting for event (poll) 2 sys_fcntl FCNTL system call 2 scsi_error_handler SCSI error handler 2 proc_root_readdir Reading /proc directory 2 ksoftirqd Waking ksoftirqd 2 worker_thread . 2 do_unlinkat Unlinking file 2 __wait_on_buffer Waiting for buffer IO to complete 2 pdflush pdflush() kernel thread 2 kjournald kjournald() kernel thread 2 blkdev_ioctl block device IOCTL 2 kauditd_thread kernel audit daemon 2 tty_ioctl TTY IOCTL 2 __filemap_fdatawrite_range fdatasync system call 2 do_sync_write synchronous write 2 kthreadd kthreadd kernel thread 2 usb_port_resume Waking up USB device 2 usb_autoresume_device Waking up USB device 2 kswapd kswapd() kernel thread 2 md_thread Raid resync kernel thread 2 i915_wait_request Waiting for GPU command to complete 2 request_module Loading a kernel module # 3 tty_wait_until_sent Waiting for TTY to finish sending 3 pipe_read Reading from a pipe 3 pipe_write Writing to a pipe 3 pipe_wait Waiting for pipe data 3 read_block_bitmap Reading EXT3 block bitmaps 3 scsi_execute_req Executing raw SCSI command 3 sys_wait4 Waiting for a process to die 3 sr_media_change Checking for media change 3 sr_do_ioctl SCSI cdrom ioctl 3 sd_ioctl SCSI disk ioctl 3 sr_cd_check Checking CDROM media present 3 ext3_read_inode Reading EXT3 inode 3 htree_dirblock_to_tree Reading EXT3 directory htree 3 ext3_readdir Reading EXT3 directory 3 ext3_bread Synchronous EXT3 read 3 ext3_free_branches Unlinking file on EXT3 3 ext3_get_branch Reading EXT3 indirect blocks 3 ext3_find_entry EXT3: Looking for file 3 __ext3_get_inode_loc Reading EXT3 inode 3 ext3_delete_inode EXT3 deleting inode 3 sync_page Writing a page to disk 3 tty_poll Waiting for TTY data 3 tty_read Waiting for TTY input 3 tty_write Writing data to TTY 3 update_atime Updating inode atime 3 page_cache_sync_readahead Pagecache sync readahead 3 do_fork Fork() system call 3 sys_mkdirat Creating directory 3 lookup_create Creating file 3 inet_sendmsg Sending TCP/IP data 3 tcp_recvmsg Receiving TCP/IP data 3 link_path_walk Following symlink 3 path_walk Walking directory tree 3 sys_getdents Reading directory content 3 unix_stream_recvmsg Waiting for data on unix socket 3 ext3_mkdir EXT3: Creating a directory 3 journal_get_write_access EXT3: Waiting for journal access 3 synchronize_rcu Waiting for RCU 3 input_close_device Closing input device 3 mousedev_close_device Closing mouse device 3 mousedev_release Closing mouse device 3 mousedev_open Opening mouse device 3 kmsg_read Reading from dmesg 3 sys_futex Userspace lock contention 3 do_futex Userspace lock contention 3 vt_waitactive vt_waitactive IOCTL 3 acquire_console_sem Waiting for console access 3 filp_close Closing a file 3 sync_inode (f)syncing an inode to disk 3 ata_exec_internal_sg Executing internal ATA command 3 writeback_inodes Writing back inodes 3 ext3_orphan_add EXT3 adding orphan 3 ext3_mark_inode_dirty EXT3 marking inode dirty 3 ext3_unlink EXT3 unlinking file 3 ext3_create EXT3 Creating a file 3 log_do_checkpoint EXT3 journal checkpoint 3 generic_delete_inode Deleting an inode 3 proc_delete_inode Removing /proc file 3 do_truncate Truncating file 3 sys_execve Executing a program 3 journal_commit_transaction EXT3: committing transaction 3 __stop_machine_run Freezing the kernel (for module load) 3 sys_munmap unmapping memory 3 sys_mmap mmaping memory 3 sync_buffer Writing buffer to disk (synchronous) 3 inotify_inode_queue_event Inotify event 3 proc_lookup Looking up /proc file 3 generic_make_request Creating block layer request 3 get_request_wait Creating block layer request 3 alloc_page_vma Allocating a VMA #3 __d_lookup Looking up a dentry 3 blkdev_direct_IO Direct block device IO 3 sys_mprotect mprotect() system call 3 shrink_icache_memory reducing inode cache memory footprint 3 vfs_stat_fd stat() operation 3 cdrom_open opening cdrom device 3 sys_epoll_wait Waiting for event (epoll) 3 sync_sb_inodes Syncing inodes 3 tcp_connect TCP/IP connect 3 ata_scsi_ioctl ATA/SCSI disk ioctl 3 do_rmdir Removing directory 3 vfs_rmdir Removing directory 3 sys_flock flock() on a file 3 usbdev_open opening USB device 3 lock_kernel Big Kernel Lock contention 3 blk_execute_rq Submitting block IO 3 scsi_cmd_ioctl SCSI ioctl command 3 acpi_ec_transaction ACPI hardware access 3 journal_get_undo_access Waiting for EXT3 journal undo operation 3 i915_irq_wait Waiting for GPU interrupt 3 i915_gem_throttle_ioctl Throttling GPU while waiting for commands # # 5 do_page_fault Page fault 5 handle_mm_fault Page fault 5 filemap_fault Page fault 5 sync_filesystems Syncing filesystem 5 sys_nanosleep Application requested delay 5 sys_pause Application requested delay 5 evdev_read Reading keyboard/mouse input 5 do_fsync fsync() on a file 5 __log_wait_for_space Waiting for EXT3 journal space