CPU Flame Graph
Reset Zoom
security_inode_getattr (6 samples, 0.23%)
zrl_add (3 samples, 0.12%)
do_select (1 samples, 0.04%)
__dbuf_hold_impl (15 samples, 0.58%)
do_page_fault (4 samples, 0.16%)
check_events (6 samples, 0.23%)
generic_fillattr (3 samples, 0.12%)
z_wr_int/8 (1 samples, 0.04%)
vfs_fstatat (453 samples, 17.61%)
vfs_fstatat
vma_prio_tree_remove (1 samples, 0.04%)
check_events (1 samples, 0.04%)
_raw_spin_lock (1 samples, 0.04%)
filldir (6 samples, 0.23%)
do_last (18 samples, 0.70%)
hypercall_page (65 samples, 2.53%)
h..
sys_getgid (3 samples, 0.12%)
hypercall_page (1 samples, 0.04%)
dput (3 samples, 0.12%)
zrl_add (3 samples, 0.12%)
apparmor_file_free_security (3 samples, 0.12%)
mmput.part.16 (3 samples, 0.12%)
do_path_lookup (6 samples, 0.23%)
taskq_thread (6 samples, 0.23%)
taskq_thread (1 samples, 0.04%)
dmu_buf_hold (102 samples, 3.97%)
dm..
kthread (1 samples, 0.04%)
__fopen_internal (3 samples, 0.12%)
getname (3 samples, 0.12%)
vdev_file_io_strategy (1 samples, 0.04%)
vfs_getattr (159 samples, 6.18%)
vfs_g..
kernel_thread_helper (1 samples, 0.04%)
check_events (1 samples, 0.04%)
do_wp_page (1 samples, 0.04%)
__fxstatat64 (540 samples, 21.00%)
__fxstatat64
hypercall_page (12 samples, 0.47%)
_raw_spin_lock (6 samples, 0.23%)
xen_activate_mm (3 samples, 0.12%)
do_execve_common.isra.26 (3 samples, 0.12%)
gzip_compress (977 samples, 37.99%)
gzip_compress
search_binary_handler (3 samples, 0.12%)
zap_cursor_fini (21 samples, 0.82%)
check_events (6 samples, 0.23%)
do_sync_write (2 samples, 0.08%)
dbuf_read (3 samples, 0.12%)
fget_raw_light (3 samples, 0.12%)
supervise (3 samples, 0.12%)
generic_file_aio_write (1 samples, 0.04%)
strncpy_from_user (3 samples, 0.12%)
generic_file_buffered_write (2 samples, 0.08%)
vmap_page_range_noflush (6 samples, 0.23%)
vn_rdwr (1 samples, 0.04%)
do_page_fault (3 samples, 0.12%)
__generic_file_aio_write (2 samples, 0.08%)
zio_done (1 samples, 0.04%)
flush_old_exec (3 samples, 0.12%)
mmput (3 samples, 0.12%)
page_fault (3 samples, 0.12%)
_int_malloc (1 samples, 0.04%)
handle_mm_fault (3 samples, 0.12%)
do_page_fault (1 samples, 0.04%)
scan_tree (1 samples, 0.04%)
mark_buffer_dirty (1 samples, 0.04%)
dbuf_find (3 samples, 0.12%)
free_pgtables (3 samples, 0.12%)
generic_file_aio_write (2 samples, 0.08%)
copy_strings.isra.23 (1 samples, 0.04%)
sys_select (1 samples, 0.04%)
sys_execve (1 samples, 0.04%)
hypercall_page (3 samples, 0.12%)
vfs_getattr (42 samples, 1.63%)
arc_buf_eviction_needed (1 samples, 0.04%)
__GI___libc_close (6 samples, 0.23%)
__gethrestime (3 samples, 0.12%)
zio_execute (990 samples, 38.49%)
zio_execute
dbuf_hold_impl (15 samples, 0.58%)
check_events (6 samples, 0.23%)
_dl_relocate_object (3 samples, 0.12%)
build_tree (92 samples, 3.58%)
bu..
journal_stop (1 samples, 0.04%)
unlazy_walk (6 samples, 0.23%)
check_events (9 samples, 0.35%)
default_idle (65 samples, 2.53%)
d..
kmem_cache_alloc (9 samples, 0.35%)
mze_compare (3 samples, 0.12%)
generic_perform_write (2 samples, 0.08%)
free_pgtables (3 samples, 0.12%)
xen_irq_disable_direct (3 samples, 0.12%)
zpl_getattr (39 samples, 1.52%)
vfs_write (2 samples, 0.08%)
locks_remove_flock (3 samples, 0.12%)
fzap_cursor_retrieve (3 samples, 0.12%)
hypercall_page (3 samples, 0.12%)
hypercall_page (39 samples, 1.52%)
memset (3 samples, 0.12%)
kthread (1 samples, 0.04%)
putname (3 samples, 0.12%)
system_call_fastpath (1 samples, 0.04%)
pagevec_lru_move_fn (3 samples, 0.12%)
search_binary_handler (4 samples, 0.16%)
sys_open (3 samples, 0.12%)
vfs_write (1 samples, 0.04%)
vn_rdwr (2 samples, 0.08%)
check_events (3 samples, 0.12%)
schedule_hrtimeout_range (1 samples, 0.04%)
__GI___munmap (3 samples, 0.12%)
handle_mm_fault (1 samples, 0.04%)
__do_fault (3 samples, 0.12%)
__generic_file_aio_write (2 samples, 0.08%)
dmu_object_size_from_db (60 samples, 2.33%)
do_sync_write (1 samples, 0.04%)
xen_mc_flush (3 samples, 0.12%)
hypercall_page (3 samples, 0.12%)
arc_buf_add_ref (6 samples, 0.23%)
MemoryContextAllocZeroAligned (1 samples, 0.04%)
__strncpy_from_user (3 samples, 0.12%)
system_call_fastpath (240 samples, 9.33%)
system_ca..
block_write_end (1 samples, 0.04%)
load_script (3 samples, 0.12%)
handle_mm_fault (4 samples, 0.16%)
handle_pte_fault (1 samples, 0.04%)
do_sys_open (3 samples, 0.12%)
__vm_enough_memory (3 samples, 0.12%)
__ext3_journal_stop (1 samples, 0.04%)
taskq_thread (1 samples, 0.04%)
_dl_map_object_from_fd (1 samples, 0.04%)
rrw_enter (3 samples, 0.12%)
vn_rdwr (2 samples, 0.08%)
sys_execve (4 samples, 0.16%)
core_sys_select (1 samples, 0.04%)
vdev_file_io_strategy (1 samples, 0.04%)
dbuf_write.isra.8 (1 samples, 0.04%)
kmem_cache_alloc_trace (3 samples, 0.12%)
vfs_write (1 samples, 0.04%)
__vmalloc_area_node (6 samples, 0.23%)
ext3_write_begin (1 samples, 0.04%)
unmap_region (15 samples, 0.58%)
security_inode_getattr (3 samples, 0.12%)
xen_spin_unlock (3 samples, 0.12%)
page_fault (3 samples, 0.12%)
xen_set_pte_at (3 samples, 0.12%)
dnode_rele (3 samples, 0.12%)
vmap_pud_range (6 samples, 0.23%)
hypercall_page (3 samples, 0.12%)
do_sync_write (1 samples, 0.04%)
sys_exit_group (1 samples, 0.04%)
generic_file_aio_write (2 samples, 0.08%)
dmu_object_size_from_db (3 samples, 0.12%)
dnode_sync (1 samples, 0.04%)
(90 samples, 3.50%)
free (3 samples, 0.12%)
__d_lookup_rcu (39 samples, 1.52%)
kernel_thread_helper (1 samples, 0.04%)
sys_execve (7 samples, 0.27%)
system_call_fastpath (468 samples, 18.20%)
system_call_fastpath
check_events (3 samples, 0.12%)
xen_spin_unlock (1 samples, 0.04%)
block_write_end (1 samples, 0.04%)
__generic_file_aio_write (1 samples, 0.04%)
file_read_actor (1 samples, 0.04%)
__block_commit_write.isra.19 (1 samples, 0.04%)
kmem_alloc_debug (9 samples, 0.35%)
_dl_map_object_from_fd (3 samples, 0.12%)
xen_spin_lock (3 samples, 0.12%)
do_brk (12 samples, 0.47%)
__phys_addr (12 samples, 0.47%)
handle_pte_fault (9 samples, 0.35%)
do_sync_write (2 samples, 0.08%)
__fxstat64 (84 samples, 3.27%)
__..
do_sync_write (1 samples, 0.04%)
page_fault (1 samples, 0.04%)
submit_bio (1 samples, 0.04%)
zfs_getattr_fast (18 samples, 0.70%)
mem_cgroup_count_vm_event (6 samples, 0.23%)
check_events (3 samples, 0.12%)
system_call_fastpath (30 samples, 1.17%)
ext3_ordered_write_end (1 samples, 0.04%)
postgres (2 samples, 0.08%)
zpl_getattr (3 samples, 0.12%)
__vmalloc (6 samples, 0.23%)
sys_execve (3 samples, 0.12%)
kernel_thread_helper (991 samples, 38.53%)
kernel_thread_helper
hypercall_page (15 samples, 0.58%)
inode_permission (6 samples, 0.23%)
generic_perform_write (1 samples, 0.04%)
_raw_spin_lock (3 samples, 0.12%)
kjournald (1 samples, 0.04%)
dbuf_rele_and_unlock (6 samples, 0.23%)
hypercall_page (1 samples, 0.04%)
mutex_lock (15 samples, 0.58%)
taskq_thread (1 samples, 0.04%)
vfs_write (1 samples, 0.04%)
sa_lookup (3 samples, 0.12%)
search_binary_handler (6 samples, 0.23%)
__memset_sse2 (9 samples, 0.35%)
hypercall_page (3 samples, 0.12%)
tsd_exit (9 samples, 0.35%)
__do_fault (3 samples, 0.12%)
check_events (3 samples, 0.12%)
vfs_write (1 samples, 0.04%)
mntput (3 samples, 0.12%)
crhold (3 samples, 0.12%)
check_events (1 samples, 0.04%)
__fxstatat64 (39 samples, 1.52%)
exec_mmap (3 samples, 0.12%)
tsd_hash_search.isra.1 (3 samples, 0.12%)
mutex_unlock (3 samples, 0.12%)
_dl_sysdep_start (3 samples, 0.12%)
xen_spin_lock (6 samples, 0.23%)
do_execve (4 samples, 0.16%)
kfree (3 samples, 0.12%)
__GI___getgid (30 samples, 1.17%)
kernel_thread_helper (2 samples, 0.08%)
kernel_thread_helper (6 samples, 0.23%)
ext3_writepage_trans_blocks (1 samples, 0.04%)
_raw_spin_lock (3 samples, 0.12%)
kernel_thread_helper (2 samples, 0.08%)
swapper (66 samples, 2.57%)
s..
dput (12 samples, 0.47%)
vdev_file_io_strategy (1 samples, 0.04%)
dnode_hold_impl (1 samples, 0.04%)
generic_file_aio_write (1 samples, 0.04%)
__block_commit_write.isra.19 (1 samples, 0.04%)
load_elf_binary (6 samples, 0.23%)
do_page_fault (1 samples, 0.04%)
kernel_thread_helper (1 samples, 0.04%)
link_path_walk (12 samples, 0.47%)
__cv_broadcast (3 samples, 0.12%)
dbuf_sync_list (1 samples, 0.04%)
sa_object_size (6 samples, 0.23%)
kthread (1 samples, 0.04%)
(1 samples, 0.04%)
vfs_write (6 samples, 0.23%)
path_lookupat (6 samples, 0.23%)
unlink_file_vma (1 samples, 0.04%)
sys_close (24 samples, 0.93%)
hypercall_page (1 samples, 0.04%)
check_match.11236 (1 samples, 0.04%)
vfs_write (1 samples, 0.04%)
exit_mmap (1 samples, 0.04%)
do_dlopen (3 samples, 0.12%)
sys_read (3 samples, 0.12%)
system_call_fastpath (24 samples, 0.93%)
z_wr_iss/0 (991 samples, 38.53%)
z_wr_iss/0
page_fault (18 samples, 0.70%)
stub_execve (3 samples, 0.12%)
mutex_lock (6 samples, 0.23%)
dbuf_rele_and_unlock (1 samples, 0.04%)
schedule_tail (3 samples, 0.12%)
sa_attr_op (3 samples, 0.12%)
do_execve_common.isra.26 (7 samples, 0.27%)
link_path_walk (3 samples, 0.12%)
check_events (1 samples, 0.04%)
make_child (4 samples, 0.16%)
sys_munmap (3 samples, 0.12%)
security_dentry_open (3 samples, 0.12%)
xen_restore_fl_direct (3 samples, 0.12%)
_int_free (9 samples, 0.35%)
do_group_exit (1 samples, 0.04%)
page_fault (1 samples, 0.04%)
kthread (1 samples, 0.04%)
xen_spin_unlock (3 samples, 0.12%)
xen_spin_lock (3 samples, 0.12%)
zio_compress_data (979 samples, 38.06%)
zio_compress_data
path_lookupat (222 samples, 8.63%)
path_loo..
zio_checksum_compute (11 samples, 0.43%)
__strlen_sse42 (6 samples, 0.23%)
generic_perform_write (1 samples, 0.04%)
search_binary_handler (3 samples, 0.12%)
__memcpy_ssse3 (12 samples, 0.47%)
generic_file_buffered_write (1 samples, 0.04%)
txg_sync (2 samples, 0.08%)
_dl_catch_error (3 samples, 0.12%)
security_vm_enough_memory (3 samples, 0.12%)
free_pgd_range (3 samples, 0.12%)
zio_walk_parents (1 samples, 0.04%)
mmput.part.16 (3 samples, 0.12%)
_dl_relocate_object (3 samples, 0.12%)
unlink_file_vma (3 samples, 0.12%)
vn_rdwr (1 samples, 0.04%)
check_events (3 samples, 0.12%)
dd (10 samples, 0.39%)
blk_throtl_bio (1 samples, 0.04%)
do_filp_open (27 samples, 1.05%)
load_elf_interp (3 samples, 0.12%)
rrw_enter (3 samples, 0.12%)
z_compress_level (977 samples, 37.99%)
z_compress_level
(1 samples, 0.04%)
zfs_getattr_fast (126 samples, 4.90%)
zfs_..
setup_new_exec (3 samples, 0.12%)
fget_raw_light (6 samples, 0.23%)
fget_raw_light (15 samples, 0.58%)
taskq_thread (990 samples, 38.49%)
taskq_thread
mem_cgroup_pgfault (3 samples, 0.12%)
do_page_fault (3 samples, 0.12%)
vfsmount_lock_local_lock (9 samples, 0.35%)
generic_file_aio_write (1 samples, 0.04%)
xen_spin_lock (3 samples, 0.12%)
stub_execve (4 samples, 0.16%)
mark_buffer_dirty (1 samples, 0.04%)
__GI___libc_write (7 samples, 0.27%)
vdev_file_io_strategy (1 samples, 0.04%)
__libc_fork (4 samples, 0.16%)
stub_execve (7 samples, 0.27%)
dbuf_hold (33 samples, 1.28%)
hypercall_page (1 samples, 0.04%)
vn_rdwr (1 samples, 0.04%)
vmap_pte_range (6 samples, 0.23%)
search_binary_handler (3 samples, 0.12%)
handle_pte_fault (1 samples, 0.04%)
zap_pte_range (3 samples, 0.12%)
generic_perform_write (1 samples, 0.04%)
vfs_write (2 samples, 0.08%)
zpl_readdir (3 samples, 0.12%)
arc_buf_remove_ref (6 samples, 0.23%)
kernel_thread_helper (1 samples, 0.04%)
kthread (1 samples, 0.04%)
check_events (3 samples, 0.12%)
schedule_hrtimeout_range_clock (1 samples, 0.04%)
hypercall_page (1 samples, 0.04%)
sys_write (6 samples, 0.23%)
common_perm (3 samples, 0.12%)
copy_user_generic_string (1 samples, 0.04%)
load_elf_binary (3 samples, 0.12%)
kthread (1 samples, 0.04%)
(1 samples, 0.04%)
hypercall_page (1 samples, 0.04%)
handle_mm_fault (3 samples, 0.12%)
setuidgid (14 samples, 0.54%)
load_elf_binary (3 samples, 0.12%)
page_fault (3 samples, 0.12%)
kthread (1 samples, 0.04%)
dbuf_hold_impl (1 samples, 0.04%)
vn_rdwr (1 samples, 0.04%)
dbuf_find (1 samples, 0.04%)
generic_file_aio_write (1 samples, 0.04%)
handle_pte_fault (1 samples, 0.04%)
check_events (15 samples, 0.58%)
journal_blocks_per_page (1 samples, 0.04%)
sys_execve (3 samples, 0.12%)
handle_mm_fault (15 samples, 0.58%)
__vmalloc_node_range (6 samples, 0.23%)
copy_user_generic_string (1 samples, 0.04%)
z_fr_iss_7/1 (1 samples, 0.04%)
z_fr_iss_5/1 (1 samples, 0.04%)
clear_user (3 samples, 0.12%)
zfs_readdir (216 samples, 8.40%)
zfs_read..
apparmor_inode_getattr (3 samples, 0.12%)
mem_cgroup_count_vm_event (3 samples, 0.12%)
do_sync_read (3 samples, 0.12%)
dsl_pool_sync (1 samples, 0.04%)
remove_reference.isra.6 (3 samples, 0.12%)
filp_close (12 samples, 0.47%)
zlib_deflateReset (2 samples, 0.08%)
generic_perform_write (1 samples, 0.04%)
do_sync_write (2 samples, 0.08%)
do_exit (1 samples, 0.04%)
unmap_vmas (3 samples, 0.12%)
mmput (3 samples, 0.12%)
search_binary_handler (3 samples, 0.12%)
dbuf_hold (15 samples, 0.58%)
stub_execve (3 samples, 0.12%)
blk_flush_plug_list (1 samples, 0.04%)
__generic_file_aio_write (1 samples, 0.04%)
fsnotify (3 samples, 0.12%)
system_call_fastpath (3 samples, 0.12%)
stub_execve (3 samples, 0.12%)
xen_restore_fl_direct (6 samples, 0.23%)
__dentry_open (12 samples, 0.47%)
__schedule (1 samples, 0.04%)
generic_perform_write (2 samples, 0.08%)
sa_lookup_impl (3 samples, 0.12%)
avl_find (9 samples, 0.35%)
(3 samples, 0.12%)
_wordcopy_bwd_dest_aligned (3 samples, 0.12%)
dnode_hold (1 samples, 0.04%)
__schedule (1 samples, 0.04%)
common_perm (3 samples, 0.12%)
arc_buf_eviction_needed (3 samples, 0.12%)
do_wp_page (3 samples, 0.12%)
fput (6 samples, 0.23%)
inode_permission (3 samples, 0.12%)
vfs_open (15 samples, 0.58%)
zfs_tstamp_update_setup (3 samples, 0.12%)
copy_user_enhanced_fast_string (3 samples, 0.12%)
check_events (1 samples, 0.04%)
do_execve (3 samples, 0.12%)
__execve (4 samples, 0.16%)
fget_raw_light (9 samples, 0.35%)
ext3_ordered_write_end (1 samples, 0.04%)
check_events (1 samples, 0.04%)
__mem_cgroup_commit_charge (3 samples, 0.12%)
kthread (1 samples, 0.04%)
z_fr_iss_2/0 (1 samples, 0.04%)
__remove_shared_vm_struct.isra.27 (1 samples, 0.04%)
tsd_exit (3 samples, 0.12%)
journal_submit_data_buffers.constprop.9 (1 samples, 0.04%)
java (1,416 samples, 55.05%)
java
_int_malloc (33 samples, 1.28%)
do_anonymous_page.isra.38 (6 samples, 0.23%)
page_fault (1 samples, 0.04%)
zap_cursor_retrieve (153 samples, 5.95%)
zap_c..
block_write_end (1 samples, 0.04%)
taskq_thread (1 samples, 0.04%)
kernel_thread_helper (1 samples, 0.04%)
__errno_location (3 samples, 0.12%)
xen_spin_unlock (3 samples, 0.12%)
cpu_idle (66 samples, 2.57%)
c..
__strnlen_user (1 samples, 0.04%)
copy_user_enhanced_fast_string (6 samples, 0.23%)
do_execve (3 samples, 0.12%)
anon_vma_prepare (3 samples, 0.12%)
zap_unlockdir (21 samples, 0.82%)
file_ra_state_init (6 samples, 0.23%)
rrw_exit (6 samples, 0.23%)
kmem_free_debug (6 samples, 0.23%)
mutex_unlock (3 samples, 0.12%)
generic_file_buffered_write (1 samples, 0.04%)
apparmor_file_mmap (3 samples, 0.12%)
(852 samples, 33.13%)
ext3_write_begin (1 samples, 0.04%)
generic_perform_write (1 samples, 0.04%)
taskq_thread (1 samples, 0.04%)
do_sync_write (1 samples, 0.04%)
journal_stop (1 samples, 0.04%)
page_fault (1 samples, 0.04%)
xen_restore_fl_direct (3 samples, 0.12%)
kthread (991 samples, 38.53%)
kthread
generic_file_buffered_write (1 samples, 0.04%)
load_elf_binary (4 samples, 0.16%)
security_inode_getattr (6 samples, 0.23%)
kernel_thread_helper (1 samples, 0.04%)
user_path_at_empty (264 samples, 10.26%)
user_path_..
kernel_thread_helper (2 samples, 0.08%)
page_fault (3 samples, 0.12%)
get_empty_filp (3 samples, 0.12%)
fget_raw (3 samples, 0.12%)
arc_buf_freeze (6 samples, 0.23%)
malloc_consolidate.part.3 (3 samples, 0.12%)
pqdownheap (69 samples, 2.68%)
p..
taskq_thread (2 samples, 0.08%)
hypercall_page (6 samples, 0.23%)
intel_02_known_compare (1 samples, 0.04%)
longest_match (5 samples, 0.19%)
check_events (1 samples, 0.04%)
set_login_shell (1 samples, 0.04%)
__fxstat64 (9 samples, 0.35%)
schedule (1 samples, 0.04%)
__block_commit_write.isra.19 (1 samples, 0.04%)
fput (12 samples, 0.47%)
path_put (12 samples, 0.47%)
page_fault (3 samples, 0.12%)
handle_pte_fault (3 samples, 0.12%)
security_inode_getattr (3 samples, 0.12%)
handle_mm_fault (3 samples, 0.12%)
kthread (2 samples, 0.08%)
do_sync_write (1 samples, 0.04%)
zap_lockdir (111 samples, 4.32%)
zap..
page_fault (3 samples, 0.12%)
exec_mmap (3 samples, 0.12%)
journal_stop (1 samples, 0.04%)
dmu_free_range (1 samples, 0.04%)
zpl_write_common (6 samples, 0.23%)
(8 samples, 0.31%)
vdev_file_io_strategy (1 samples, 0.04%)
__strnlen_user (1 samples, 0.04%)
vfs_write (1 samples, 0.04%)
_raw_spin_lock (3 samples, 0.12%)
kernel_thread_helper (1 samples, 0.04%)
__phys_addr (3 samples, 0.12%)
dmu_objset_sync_dnodes (1 samples, 0.04%)
add_reference.isra.7 (6 samples, 0.23%)
hypercall_page (3 samples, 0.12%)
multilog (3 samples, 0.12%)
mutex_lock (1 samples, 0.04%)
taskq_thread (1 samples, 0.04%)
copy_user_generic_string (1 samples, 0.04%)
generic_file_aio_write (1 samples, 0.04%)
do_page_fault (3 samples, 0.12%)
ptep_clear_flush (1 samples, 0.04%)
do_path_lookup (225 samples, 8.75%)
do_path_..
do_page_fault (15 samples, 0.58%)
kthread (2 samples, 0.08%)
__open_nocancel (3 samples, 0.12%)
zap_deref_leaf (3 samples, 0.12%)
security_inode_permission (6 samples, 0.23%)
zap_get_leaf_byblk (3 samples, 0.12%)
dnode_hold (9 samples, 0.35%)
do_page_fault (3 samples, 0.12%)
kthread (1 samples, 0.04%)
kernel_thread_helper (1 samples, 0.04%)
page_fault (3 samples, 0.12%)
xen_spin_lock (3 samples, 0.12%)
exit_mmap (3 samples, 0.12%)
do_wp_page (1 samples, 0.04%)
xen_spin_lock (15 samples, 0.58%)
sys_getuid (3 samples, 0.12%)
__cv_broadcast (3 samples, 0.12%)
z_fr_iss_4/3 (1 samples, 0.04%)
journal_commit_transaction (1 samples, 0.04%)
search_binary_handler (3 samples, 0.12%)
__GI___libc_close (27 samples, 1.05%)
ext3_ordered_write_end (1 samples, 0.04%)
zpl_getattr (3 samples, 0.12%)
check_events (6 samples, 0.23%)
zlib_deflate (975 samples, 37.91%)
zlib_deflate
check_events (3 samples, 0.12%)
spl_cache_grow_work (6 samples, 0.23%)
kthread (1 samples, 0.04%)
vn_rdwr (1 samples, 0.04%)
taskq_thread (1 samples, 0.04%)
handle_mm_fault (3 samples, 0.12%)
kthread (6 samples, 0.23%)
do_munmap (15 samples, 0.58%)
__ext3_journal_stop (1 samples, 0.04%)
getpwnam_r@@GLIBC_2.2.5 (3 samples, 0.12%)
system_call_fastpath (6 samples, 0.23%)
apparmor_dentry_open (3 samples, 0.12%)
system_call_fastpath (63 samples, 2.45%)
s..
do_munmap (3 samples, 0.12%)
page_fault (4 samples, 0.16%)
__wake_up (1 samples, 0.04%)
_raw_spin_lock (3 samples, 0.12%)
zpl_readdir (222 samples, 8.63%)
zpl_read..
xen_spin_is_locked (3 samples, 0.12%)
dbuf_sync_list (1 samples, 0.04%)
dmu_tx_count_write (1 samples, 0.04%)
__execve (3 samples, 0.12%)
system_call_fastpath (3 samples, 0.12%)
memset (1 samples, 0.04%)
__generic_file_aio_write (1 samples, 0.04%)
create_elf_tables (1 samples, 0.04%)
hypercall_page (3 samples, 0.12%)
__strcpy_ssse3 (3 samples, 0.12%)
system_call_fastpath (1 samples, 0.04%)
ext3_ordered_write_end (1 samples, 0.04%)
vfsmount_lock_local_lock (6 samples, 0.23%)
do_getname (6 samples, 0.23%)
strncpy_from_user (3 samples, 0.12%)
check_events (12 samples, 0.47%)
zlib_deflateInit2 (2 samples, 0.08%)
perf_event_mmap (3 samples, 0.12%)
security_file_mmap (3 samples, 0.12%)
system_call_after_swapgs (3 samples, 0.12%)
dbuf_hold_impl (3 samples, 0.12%)
expand_files (3 samples, 0.12%)
vdev_sync (1 samples, 0.04%)
hypercall_page (3 samples, 0.12%)
zlib_deflate (1 samples, 0.04%)
__nss_lookup (3 samples, 0.12%)
zio_write_bp_init (979 samples, 38.06%)
zio_write_bp_init
kmem_free_debug (3 samples, 0.12%)
alloc_fd (6 samples, 0.23%)
zio_execute (1 samples, 0.04%)
generic_file_buffered_write (2 samples, 0.08%)
generic_file_buffered_write (1 samples, 0.04%)
arc_write_done (1 samples, 0.04%)
deflate_slow (1 samples, 0.04%)
check_events (3 samples, 0.12%)
generic_perform_write (1 samples, 0.04%)
zio_wait (1 samples, 0.04%)
hypercall_page (3 samples, 0.12%)
z_fr_iss_1/1 (1 samples, 0.04%)
z_fr_iss_6/3 (1 samples, 0.04%)
generic_file_buffered_write (1 samples, 0.04%)
putname (12 samples, 0.47%)
zfs_getattr_fast (12 samples, 0.47%)
dmu_objset_sync (1 samples, 0.04%)
memcpy (6 samples, 0.23%)
vfsmount_lock_local_unlock (3 samples, 0.12%)
(1 samples, 0.04%)
strnlen_user (1 samples, 0.04%)
generic_file_aio_write (1 samples, 0.04%)
generic_perform_write (2 samples, 0.08%)
handle_pte_fault (1 samples, 0.04%)
taskq_thread (1 samples, 0.04%)
vma_merge (3 samples, 0.12%)
dbuf_sync_list (1 samples, 0.04%)
kv_alloc.isra.8 (6 samples, 0.23%)
apparmor_inode_getattr (3 samples, 0.12%)
__generic_file_aio_write (1 samples, 0.04%)
zio_done (1 samples, 0.04%)
system_call_fastpath (3 samples, 0.12%)
copy_user_enhanced_fast_string (5 samples, 0.19%)
finish_task_switch (1 samples, 0.04%)
security_inode_permission (6 samples, 0.23%)
unmap_region (3 samples, 0.12%)
system_call_fastpath (3 samples, 0.12%)
__execve (7 samples, 0.27%)
kernel_thread_helper (1 samples, 0.04%)
vdev_file_io_strategy (1 samples, 0.04%)
vdev_file_io_strategy (1 samples, 0.04%)
do_page_fault (3 samples, 0.12%)
path_openat (3 samples, 0.12%)
__generic_file_aio_write (1 samples, 0.04%)
xen_exit_mmap (3 samples, 0.12%)
do_page_fault (1 samples, 0.04%)
memcpy (2 samples, 0.08%)
nameidata_to_filp (18 samples, 0.70%)
vfs_write (1 samples, 0.04%)
__nss_lookup_function (3 samples, 0.12%)
dnode_hold_impl (42 samples, 1.63%)
hypercall_page (6 samples, 0.23%)
deflate_slow (953 samples, 37.05%)
deflate_slow
do_sync_write (1 samples, 0.04%)
xen_spin_unlock (3 samples, 0.12%)
all (2,572 samples, 100%)
__ext3_journal_stop (1 samples, 0.04%)
hypercall_page (1 samples, 0.04%)
kzfree (3 samples, 0.12%)
_dl_map_object (4 samples, 0.16%)
sys_newfstatat (3 samples, 0.12%)
do_execve (7 samples, 0.27%)
sys_newfstat (63 samples, 2.45%)
s..
check_events (3 samples, 0.12%)
__block_commit_write.isra.19 (1 samples, 0.04%)
do_sys_open (42 samples, 1.63%)
mem_cgroup_newpage_charge (3 samples, 0.12%)
__do_fault (3 samples, 0.12%)
handle_pte_fault (3 samples, 0.12%)
get_slab (3 samples, 0.12%)
hypercall_page (3 samples, 0.12%)
dmu_buf_hold (3 samples, 0.12%)
do_page_fault (3 samples, 0.12%)
vfs_getattr (3 samples, 0.12%)
dbuf_read (6 samples, 0.23%)
poll_schedule_timeout (1 samples, 0.04%)
vdev_file_io_strategy (2 samples, 0.08%)
_dl_map_object (6 samples, 0.23%)
openaux (1 samples, 0.04%)
_dl_cache_libcmp (3 samples, 0.12%)
kthread (1 samples, 0.04%)
sys_brk (30 samples, 1.17%)
hypercall_page (6 samples, 0.23%)
z_fr_iss_2/2 (2 samples, 0.08%)
spa_sync (2 samples, 0.08%)
xen_set_pte_at (6 samples, 0.23%)
unlazy_walk (21 samples, 0.82%)
xen_set_pte_at (1 samples, 0.04%)
kernel_thread_helper (2 samples, 0.08%)
mem_cgroup_pgfault (3 samples, 0.12%)
generic_file_buffered_write (1 samples, 0.04%)
load_elf_binary (1 samples, 0.04%)
copy_user_enhanced_fast_string (6 samples, 0.23%)
avl_nearest (3 samples, 0.12%)
zlib_tr_init (1 samples, 0.04%)
vn_rdwr (1 samples, 0.04%)
kthread (2 samples, 0.08%)
hypercall_page (6 samples, 0.23%)
kfree (3 samples, 0.12%)
___pte_free_tlb (3 samples, 0.12%)
dbuf_hold (3 samples, 0.12%)
generic_file_aio_write (1 samples, 0.04%)
ext3_ordered_write_end (1 samples, 0.04%)
zio_checksum_generate (11 samples, 0.43%)
vn_rdwr (1 samples, 0.04%)
z_fr_iss_4/2 (1 samples, 0.04%)
taskq_thread (2 samples, 0.08%)
(1 samples, 0.04%)
taskq_thread (1 samples, 0.04%)
z_fr_iss_0/1 (1 samples, 0.04%)
generic_file_aio_read (3 samples, 0.12%)
__getdents64 (255 samples, 9.91%)
__getdents64
(1 samples, 0.04%)
generic_file_buffered_write (1 samples, 0.04%)
do_execve_common.isra.26 (4 samples, 0.16%)
zpl_getattr (138 samples, 5.37%)
zpl_..
security_file_free (3 samples, 0.12%)
__percpu_counter_add (3 samples, 0.12%)
strlen (1 samples, 0.04%)
ret_from_fork (3 samples, 0.12%)
__generic_file_aio_write (2 samples, 0.08%)
hypercall_page (12 samples, 0.47%)
generic_perform_write (1 samples, 0.04%)
vdev_file_io_strategy (2 samples, 0.08%)
sys_fcntl (3 samples, 0.12%)
gen_codes (10 samples, 0.39%)
do_execve_common.isra.26 (3 samples, 0.12%)
handle_mm_fault (3 samples, 0.12%)
copy_user_generic_string (1 samples, 0.04%)
start_kernel (66 samples, 2.57%)
s..
path_openat (27 samples, 1.05%)
flush_old_exec (4 samples, 0.16%)
dl_open_worker (3 samples, 0.12%)
longest_match (253 samples, 9.84%)
longest_ma..
run (30 samples, 1.17%)
cap_file_mmap (3 samples, 0.12%)
sys_newfstatat (468 samples, 18.20%)
sys_newfstatat
user_path_at (6 samples, 0.23%)
dbuf_hold (1 samples, 0.04%)
__percpu_counter_add (3 samples, 0.12%)
x86_64_start_reservations (66 samples, 2.57%)
x..
xen_pgd_val (1 samples, 0.04%)
vfs_fstat (57 samples, 2.22%)
hypercall_page (3 samples, 0.12%)
mmput (1 samples, 0.04%)
zrl_add (15 samples, 0.58%)
generic_make_request (1 samples, 0.04%)
handle_mm_fault (3 samples, 0.12%)
z_fr_iss_5/0 (1 samples, 0.04%)
user_path_at (270 samples, 10.50%)
user_path_at
do_sync_write (1 samples, 0.04%)
check_events (3 samples, 0.12%)
malloc (6 samples, 0.23%)
__GI___openat (51 samples, 1.98%)
txg_sync_thread (2 samples, 0.08%)
exec_mmap (4 samples, 0.16%)
xen_activate_mm (1 samples, 0.04%)
__fput (9 samples, 0.35%)
dsl_dataset_sync (1 samples, 0.04%)
exit_mmap (3 samples, 0.12%)
dnode_hold_impl (3 samples, 0.12%)
page_fault (3 samples, 0.12%)
cap_vm_enough_memory (3 samples, 0.12%)
zpl_revalidate (33 samples, 1.28%)
chown (4 samples, 0.16%)
xen_set_pte_at (3 samples, 0.12%)
unmap_vmas (9 samples, 0.35%)
fill_window (59 samples, 2.29%)
z_wr_int/9 (1 samples, 0.04%)
check_events (12 samples, 0.47%)
__cv_broadcast (3 samples, 0.12%)
memset (3 samples, 0.12%)
dmu_zfetch (6 samples, 0.23%)
xen_spin_lock (6 samples, 0.23%)
kernel_thread_helper (1 samples, 0.04%)
hypercall_page (6 samples, 0.23%)
generic_file_buffered_write (1 samples, 0.04%)
generic_file_buffered_write (2 samples, 0.08%)
dl_main (3 samples, 0.12%)
xen_set_pte_at (3 samples, 0.12%)
__pte_alloc (3 samples, 0.12%)
do_sync_write (1 samples, 0.04%)
generic_file_aio_write (1 samples, 0.04%)
vfs_readdir (225 samples, 8.75%)
vfs_read..
vdev_file_io_strategy (1 samples, 0.04%)
zpl_revalidate (3 samples, 0.12%)
tsd_exit (3 samples, 0.12%)
read_buf (11 samples, 0.43%)
sys_mmap_pgoff (3 samples, 0.12%)
mutex_unlock (3 samples, 0.12%)
copy_user_generic_string (2 samples, 0.08%)
(3 samples, 0.12%)
__phys_addr (3 samples, 0.12%)
mem_cgroup_charge_common (3 samples, 0.12%)
do_lookup (3 samples, 0.12%)
vfs_write (1 samples, 0.04%)
handle_mm_fault (1 samples, 0.04%)
vn_rdwr (2 samples, 0.08%)
__pte_alloc (3 samples, 0.12%)
tsd_exit (15 samples, 0.58%)
check_events (3 samples, 0.12%)
padzero (3 samples, 0.12%)
xen_spin_unlock (3 samples, 0.12%)
sys_execve (3 samples, 0.12%)
handle_mm_fault (1 samples, 0.04%)
xen_spin_lock (3 samples, 0.12%)
do_last (3 samples, 0.12%)
__generic_file_aio_write (1 samples, 0.04%)
load_elf_binary (3 samples, 0.12%)
generic_fillattr (15 samples, 0.58%)
xen_restore_fl_direct (1 samples, 0.04%)
__brk (30 samples, 1.17%)
blk_finish_plug (1 samples, 0.04%)
do_lookup (114 samples, 4.43%)
do_..
vn_rdwr (1 samples, 0.04%)
kernel_thread_helper (1 samples, 0.04%)
flush_old_exec (3 samples, 0.12%)
arc_buf_add_ref (6 samples, 0.23%)
kmem_alloc_debug (6 samples, 0.23%)
mze_compare (3 samples, 0.12%)
memset (9 samples, 0.35%)
vdev_file_io_strategy (1 samples, 0.04%)
fsnotify (3 samples, 0.12%)
page_fault (1 samples, 0.04%)
_dl_setup_hash (3 samples, 0.12%)
kjournald (1 samples, 0.04%)
do_execve_common.isra.26 (1 samples, 0.04%)
check_events (1 samples, 0.04%)
file_ra_state_init (3 samples, 0.12%)
do_page_fault (1 samples, 0.04%)
system_call_fastpath (3 samples, 0.12%)
tsd_hash_search.isra.1 (6 samples, 0.23%)
ext3_ordered_write_end (1 samples, 0.04%)
vfs_write (2 samples, 0.08%)
perf_event_mmap_event (3 samples, 0.12%)
hypercall_page (9 samples, 0.35%)
taskq_thread (1 samples, 0.04%)
__generic_file_aio_write (1 samples, 0.04%)
hypercall_page (1 samples, 0.04%)
__kmalloc (3 samples, 0.12%)
rest_init (66 samples, 2.57%)
r..
__wake_up (1 samples, 0.04%)
sys_openat (42 samples, 1.63%)
_raw_spin_lock (6 samples, 0.23%)
metaslab_sync (1 samples, 0.04%)
mkdir (7 samples, 0.27%)
do_execve (1 samples, 0.04%)
journal_do_submit_data.constprop.10 (1 samples, 0.04%)
lzjb_compress (2 samples, 0.08%)
unmap_page_range (3 samples, 0.12%)
zrl_add (3 samples, 0.12%)
__dbuf_hold_impl (1 samples, 0.04%)
(3 samples, 0.12%)
(1 samples, 0.04%)
zap_pte_range (6 samples, 0.23%)
do_sync_write (1 samples, 0.04%)
generic_perform_write (1 samples, 0.04%)
kmem_cache_free (3 samples, 0.12%)
(3 samples, 0.12%)
kthread (2 samples, 0.08%)
getname_flags (18 samples, 0.70%)
do_execve (3 samples, 0.12%)
dbuf_rele (3 samples, 0.12%)
find_next_zero_bit (6 samples, 0.23%)
mutex_lock_killable (6 samples, 0.23%)
mntget (3 samples, 0.12%)
generic_file_aio_write (1 samples, 0.04%)
mark_buffer_dirty (1 samples, 0.04%)
zrl_add (3 samples, 0.12%)
drain_cpu_pagevecs (3 samples, 0.12%)
dput (6 samples, 0.23%)
spl_kmem_cache/ (6 samples, 0.23%)
__vmalloc_node (6 samples, 0.23%)
mmput.part.16 (1 samples, 0.04%)
handle_pte_fault (3 samples, 0.12%)
kernel_thread_helper (1 samples, 0.04%)
dbuf_sync_leaf (1 samples, 0.04%)
zlib_tr_tally (77 samples, 2.99%)
z..
sys_mmap (3 samples, 0.12%)
getname_flags (3 samples, 0.12%)
check_events (39 samples, 1.52%)
z_fr_iss_3/2 (2 samples, 0.08%)
__GI___getuid (33 samples, 1.28%)
__GI___libc_read (3 samples, 0.12%)
zlib_tr_tally (17 samples, 0.66%)
kthread (1 samples, 0.04%)
handle_pte_fault (3 samples, 0.12%)
_copy_to_user (3 samples, 0.12%)
dbuf_sync_indirect (1 samples, 0.04%)
fget (3 samples, 0.12%)
load_script (3 samples, 0.12%)
sa_object_size (63 samples, 2.45%)
s..
space_map_truncate (1 samples, 0.04%)
dbuf_sync_indirect (1 samples, 0.04%)
hypercall_page (1 samples, 0.04%)
check_events (6 samples, 0.23%)
zfs_write (6 samples, 0.23%)
stub_execve (1 samples, 0.04%)
vfs_write (1 samples, 0.04%)
__ext3_journal_stop (1 samples, 0.04%)
__GI___mmap64 (3 samples, 0.12%)
check_events (3 samples, 0.12%)
exit_mm (1 samples, 0.04%)
dl_main (4 samples, 0.16%)
generic_file_aio_write (2 samples, 0.08%)
unmap_page_range (6 samples, 0.23%)
dmu_object_size_from_db (9 samples, 0.35%)
copy_user_enhanced_fast_string (3 samples, 0.12%)
__GI___libc_fcntl (21 samples, 0.82%)
hypercall_page (3 samples, 0.12%)
check_events (3 samples, 0.12%)
map_vm_area (6 samples, 0.23%)
rrw_enter (9 samples, 0.35%)
_IO_file_underflow_mmap (3 samples, 0.12%)
__select (1 samples, 0.04%)
__generic_file_aio_write (1 samples, 0.04%)
ptep_clear_flush (1 samples, 0.04%)
do_filp_open (3 samples, 0.12%)
_dl_sysdep_start (4 samples, 0.16%)
vfs_read (3 samples, 0.12%)
vdev_file_io_strategy (2 samples, 0.08%)
rrw_exit (3 samples, 0.12%)
vn_rdwr (1 samples, 0.04%)
taskq_thread (1 samples, 0.04%)
kmem_cache_free (1 samples, 0.04%)
hypercall_page (3 samples, 0.12%)
gen_bitlen (3 samples, 0.12%)
__dbuf_hold_impl (3 samples, 0.12%)
search_binary_handler (1 samples, 0.04%)
thread_generic_wrapper (2 samples, 0.08%)
security_file_alloc (3 samples, 0.12%)
dbuf_rele (15 samples, 0.58%)
down_read (3 samples, 0.12%)
ptep_clear_flush (3 samples, 0.12%)
do_generic_file_read.constprop.33 (2 samples, 0.08%)
check_events (3 samples, 0.12%)
xen_spin_unlock (6 samples, 0.23%)
generic_make_request_checks (1 samples, 0.04%)
dbuf_write_done (1 samples, 0.04%)
apparmor_file_alloc_security (3 samples, 0.12%)
mmap_region (3 samples, 0.12%)
free_pgtables (1 samples, 0.04%)
xen_start_kernel (66 samples, 2.57%)
x..
xen_spin_unlock (3 samples, 0.12%)
apparmor_inode_getattr (3 samples, 0.12%)
path_init (51 samples, 1.98%)
journal_stop (1 samples, 0.04%)
fletcher_4_native (11 samples, 0.43%)
taskq_thread (2 samples, 0.08%)
dbuf_hold_impl (33 samples, 1.28%)
schedule (1 samples, 0.04%)
dmu_tx_hold_write (1 samples, 0.04%)
dnode_hold (48 samples, 1.87%)
block_write_end (1 samples, 0.04%)
submit_bh (1 samples, 0.04%)
metaslab_condense (1 samples, 0.04%)
sys_getdents (240 samples, 9.33%)
sys_getde..
zpl_write (6 samples, 0.23%)
do_execve_common.isra.26 (3 samples, 0.12%)
ext3_ordered_write_end (1 samples, 0.04%)
do_mmap_pgoff (3 samples, 0.12%)
_raw_spin_lock (9 samples, 0.35%)
z_fr_iss_3/0 (2 samples, 0.08%)
hypercall_page (3 samples, 0.12%)
system_call_fastpath (42 samples, 1.63%)
lru_add_drain (3 samples, 0.12%)
zlib_tr_flush_block (95 samples, 3.69%)
zl..
check_events (1 samples, 0.04%)
ext3_ordered_write_end (1 samples, 0.04%)
dmu_zfetch (3 samples, 0.12%)