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Created January 18, 2018 18:47
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4.8 - flat and hierarchical perf using "perf record -F 99 -p $mpid -e bus-cycles -- sleep 10 Raw
# To display the perf.data header info, please use --header/--header-only options.
#
#
# Total Lost Samples: 0
#
# Samples: 198 of event 'bus-cycles'
# Event count (approx.): 104696587
#
# Overhead Command Shared Object Symbol
# ........ ........ .................. .................................
#
12.21% sysbench [nvme] [k] nvme_queue_rq
7.28% sysbench [kernel.kallsyms] [k] page_mapping
7.03% sysbench [kernel.kallsyms] [k] check_preempt_curr
6.95% sysbench [kernel.kallsyms] [k] put_prev_entity
6.86% sysbench [kernel.kallsyms] [k] gup_pgd_range
6.11% sysbench [kernel.kallsyms] [k] enqueue_task_fair
6.05% sysbench [kernel.kallsyms] [k] kmalloc_slab
5.93% sysbench [kernel.kallsyms] [k] blk_mq_make_request
5.89% sysbench libm-2.23.so [.] __ieee754_log_avx
5.70% sysbench libpthread-2.23.so [.] __GI___libc_pwrite64
5.65% sysbench sysbench [.] sb_histogram_update
4.53% sysbench [kernel.kallsyms] [k] schedule
1.63% sysbench [kernel.kallsyms] [k] try_to_wake_up
1.54% sysbench [kernel.kallsyms] [k] do_blockdev_direct_IO
1.24% sysbench [kernel.kallsyms] [k] blk_mq_get_driver_tag
1.05% sysbench [kernel.kallsyms] [k] _raw_spin_lock_irqsave
0.78% sysbench [kernel.kallsyms] [k] blk_init_request_from_bio
0.58% sysbench [kernel.kallsyms] [k] __schedule
0.51% sysbench [kernel.kallsyms] [k] update_curr
0.48% sysbench [kernel.kallsyms] [k] up_read
0.44% sysbench [kernel.kallsyms] [k] kmem_cache_free
0.43% sysbench [vdso] [.] 0x0000000000000979
0.41% sysbench [kernel.kallsyms] [k] put_prev_task_fair
0.39% sysbench sysbench [.] file_next_event
0.37% sysbench [kernel.kallsyms] [k] cpuacct_charge
0.37% sysbench [kernel.kallsyms] [k] __kmalloc
0.36% sysbench [kernel.kallsyms] [k] kmem_cache_alloc
0.36% sysbench [kernel.kallsyms] [k] dio_bio_complete
0.35% sysbench [kernel.kallsyms] [k] new_sync_read
0.33% sysbench [kernel.kallsyms] [k] cpus_share_cache
0.33% sysbench libpthread-2.23.so [.] pthread_mutex_lock
0.31% sysbench libm-2.23.so [.] __log
0.30% sysbench sysbench [.] pread@plt
0.30% sysbench [kernel.kallsyms] [k] perf_ctx_unlock
0.30% sysbench [kernel.kallsyms] [k] update_load_avg
0.29% sysbench [kernel.kallsyms] [k] dma_pool_alloc
0.28% sysbench [kernel.kallsyms] [k] _cond_resched
0.27% sysbench [kernel.kallsyms] [k] vfs_read
0.26% sysbench [kernel.kallsyms] [k] finish_task_switch
0.26% sysbench [kernel.kallsyms] [k] select_idle_sibling
0.24% sysbench sysbench [.] file_execute_event
0.23% sysbench [kernel.kallsyms] [k] blk_throtl_bio
0.22% sysbench [kernel.kallsyms] [k] update_cfs_shares
0.21% sysbench [kernel.kallsyms] [k] ctx_sched_out
0.19% sysbench [kernel.kallsyms] [k] ext4_data_block_valid
0.19% sysbench [kernel.kallsyms] [k] rwsem_down_read_failed
0.19% sysbench [kernel.kallsyms] [k] sbitmap_get
0.18% sysbench sysbench [.] sb_event_stop
0.18% sysbench [kernel.kallsyms] [k] __intel_pmu_disable_all
0.18% sysbench [kernel.kallsyms] [k] swiotlb_map_sg_attrs
0.18% sysbench [kernel.kallsyms] [k] __radix_tree_lookup
0.18% sysbench [kernel.kallsyms] [k] _raw_spin_lock
0.17% sysbench [kernel.kallsyms] [k] __calc_delta
0.17% sysbench [kernel.kallsyms] [k] blk_mq_start_request
0.17% sysbench [kernel.kallsyms] [k] percpu_counter_add_batch
0.17% sysbench [kernel.kallsyms] [k] osq_lock
0.17% sysbench [kernel.kallsyms] [k] idle_cpu
0.17% sysbench [kernel.kallsyms] [k] native_sched_clock
0.16% sysbench [kernel.kallsyms] [k] disk_map_sector_rcu
0.16% sysbench [kernel.kallsyms] [k] blk_queue_bounce
0.16% sysbench [kernel.kallsyms] [k] _raw_read_lock
0.16% sysbench [kernel.kallsyms] [k] ext4_direct_IO
0.16% sysbench [kernel.kallsyms] [k] select_task_rq_fair
0.14% sysbench [kernel.kallsyms] [k] native_write_msr
0.14% sysbench [kernel.kallsyms] [k] blk_queue_split
0.14% sysbench [kernel.kallsyms] [k] __perf_event_task_sched_in
0.14% sysbench [kernel.kallsyms] [k] sg_next
0.13% sysbench [kernel.kallsyms] [k] __sbitmap_get_word
0.13% sysbench [kernel.kallsyms] [k] common_file_perm
0.13% sysbench [nvme] [k] __nvme_submit_cmd
0.06% sysbench [kernel.kallsyms] [k] __sb_end_write
0.05% sysbench [kernel.kallsyms] [k] __fget
0.02% sysbench [kernel.kallsyms] [k] __lock_text_start
0.00% sysbench [kernel.kallsyms] [k] generic_make_request
0.00% sysbench [kernel.kallsyms] [k] __generic_file_write_iter
0.00% sysbench [kernel.kallsyms] [k] bio_free
0.00% sysbench [kernel.kallsyms] [k] __rwsem_mark_wake.part.2
0.00% sysbench [kernel.kallsyms] [k] wake_q_add
0.00% sysbench [kernel.kallsyms] [k] __rwsem_mark_wake.constprop.3
0.00% sysbench [kernel.kallsyms] [k] invalidate_inode_pages2_range
0.00% sysbench [kernel.kallsyms] [k] io_schedule
0.00% sysbench [kernel.kallsyms] [k] set_page_dirty_lock
0.00% sysbench [kernel.kallsyms] [k] perf_pmu_enable.part.92
0.00% sysbench [kernel.kallsyms] [k] x86_pmu_enable
0.00% sysbench [kernel.kallsyms] [k] __perf_event_enable
#
# (Cannot load tips.txt file, please install perf!)
#
# To display the perf.data header info, please use --header/--header-only options.
#
#
# Total Lost Samples: 0
#
# Samples: 269 of event 'bus-cycles'
# Event count (approx.): 57499378
#
# Overhead Command Shared Object Symbol
# ........ ........ .................. ....................................
#
6.01% sysbench [kernel.kallsyms] [k] update_curr
|
---update_curr
dequeue_entity
dequeue_task_fair
deactivate_task
__schedule
schedule
|
--5.69%--rwsem_down_read_failed
call_rwsem_down_read_failed
down_read
ext4_direct_IO
generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
5.76% sysbench [kernel.kallsyms] [k] sg_next
|
---sg_next
|
--5.49%--nvme_queue_rq
blk_mq_dispatch_rq_list
blk_mq_sched_dispatch_requests
__blk_mq_run_hw_queue
__blk_mq_delay_run_hw_queue
blk_mq_run_hw_queue
blk_mq_sched_insert_requests
blk_mq_flush_plug_list
blk_flush_plug_list
blk_finish_plug
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
0
0
5.37% sysbench [kernel.kallsyms] [k] _raw_spin_lock
|
---_raw_spin_lock
|
--5.23%--blk_mq_make_request
generic_make_request
submit_bio
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
4.61% sysbench libm-2.23.so [.] __ieee754_log_avx
|
---__ieee754_log_avx
0
0
4.40% sysbench [kernel.kallsyms] [k] cpuacct_charge
|
---cpuacct_charge
update_curr
dequeue_entity
dequeue_task_fair
deactivate_task
__schedule
schedule
io_schedule
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
|
--4.12%--generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
4.24% sysbench [kernel.kallsyms] [k] __mnt_drop_write
|
---__mnt_drop_write
generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
4.17% sysbench [kernel.kallsyms] [k] timespec_trunc
|
---timespec_trunc
current_time
__atime_needs_update
touch_atime
generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
3.98% sysbench sysbench [.] file_next_event
|
---file_next_event
3.75% sysbench [kernel.kallsyms] [k] do_blockdev_direct_IO
|
---do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
|
|--3.10%--generic_file_read_iter
| ext4_file_read_iter
| new_sync_read
| __vfs_read
| vfs_read
| sys_pread64
| entry_SYSCALL_64_fastpath
| __GI___libc_pread64
|
--0.65%--generic_file_direct_write
__generic_file_write_iter
ext4_file_write_iter
new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
3.68% sysbench [kernel.kallsyms] [k] __blk_mq_sched_bio_merge
|
---__blk_mq_sched_bio_merge
blk_mq_make_request
generic_make_request
submit_bio
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
|
|--3.02%--generic_file_direct_write
| __generic_file_write_iter
| ext4_file_write_iter
| new_sync_write
| __vfs_write
| vfs_write
| sys_pwrite64
| entry_SYSCALL_64_fastpath
| __GI___libc_pwrite64
|
--0.66%--generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
0x7675c
0x204f2f4920656c69
3.50% sysbench [kernel.kallsyms] [k] new_sync_write
|
---new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
3.37% sysbench [kernel.kallsyms] [k] disk_map_sector_rcu
|
---disk_map_sector_rcu
blk_account_io_start
blk_mq_make_request
generic_make_request
submit_bio
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
generic_file_direct_write
__generic_file_write_iter
ext4_file_write_iter
new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
3.36% sysbench [kernel.kallsyms] [k] blk_mq_get_request
|
---blk_mq_get_request
blk_mq_make_request
generic_make_request
submit_bio
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
generic_file_direct_write
__generic_file_write_iter
ext4_file_write_iter
new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
2.61% sysbench [kernel.kallsyms] [k] gup_pgd_range
|
---gup_pgd_range
get_user_pages_fast
iov_iter_get_pages
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
|
|--1.65%--generic_file_direct_write
| __generic_file_write_iter
| ext4_file_write_iter
| new_sync_write
| __vfs_write
| vfs_write
| sys_pwrite64
| entry_SYSCALL_64_fastpath
| __GI___libc_pwrite64
| |
| --0.73%--0x1
|
--0.96%--generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
|
--0.78%--0x7675c
0x204f2f4920656c69
1.57% sysbench [kernel.kallsyms] [k] blk_queue_split
|
---blk_queue_split
blk_mq_make_request
generic_make_request
submit_bio
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
|
|--0.96%--generic_file_read_iter
| ext4_file_read_iter
| new_sync_read
| __vfs_read
| vfs_read
| sys_pread64
| entry_SYSCALL_64_fastpath
| __GI___libc_pread64
|
--0.62%--generic_file_direct_write
__generic_file_write_iter
ext4_file_write_iter
new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
1.46% sysbench sysbench [.] file_execute_event
|
---file_execute_event
|
--0.77%--0x7675c
0x204f2f4920656c69
1.16% sysbench [kernel.kallsyms] [k] idle_cpu
|
---idle_cpu
|
|--0.63%--select_task_rq_fair
| try_to_wake_up
| wake_up_q
| rwsem_wake
| call_rwsem_wake
| up_write
| ext4_file_write_iter
| new_sync_write
| __vfs_write
| vfs_write
| sys_pwrite64
| entry_SYSCALL_64_fastpath
| __GI___libc_pwrite64
|
--0.52%--select_idle_sibling
select_task_rq_fair
try_to_wake_up
wake_up_q
rwsem_wake
call_rwsem_wake
up_write
ext4_direct_IO
generic_file_direct_write
__generic_file_write_iter
ext4_file_write_iter
new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
0
0
1.07% sysbench [nvme] [k] nvme_queue_rq
|
---nvme_queue_rq
blk_mq_dispatch_rq_list
blk_mq_sched_dispatch_requests
__blk_mq_run_hw_queue
__blk_mq_delay_run_hw_queue
blk_mq_run_hw_queue
blk_mq_sched_insert_requests
blk_mq_flush_plug_list
blk_flush_plug_list
blk_finish_plug
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
|
--0.75%--0
0
1.05% sysbench [kernel.kallsyms] [k] try_to_wake_up
|
---try_to_wake_up
|
--1.03%--wake_up_q
rwsem_wake
call_rwsem_wake
|
--0.69%--up_write
|
--0.64%--ext4_direct_IO
generic_file_direct_write
__generic_file_write_iter
ext4_file_write_iter
new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
1.00% sysbench [kernel.kallsyms] [k] __schedule
|
---__schedule
schedule
io_schedule
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
|
--0.71%--generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
0.93% sysbench [kernel.kallsyms] [k] blk_rq_map_sg
|
---blk_rq_map_sg
nvme_queue_rq
blk_mq_dispatch_rq_list
blk_mq_sched_dispatch_requests
__blk_mq_run_hw_queue
__blk_mq_delay_run_hw_queue
blk_mq_run_hw_queue
blk_mq_sched_insert_requests
blk_mq_flush_plug_list
blk_flush_plug_list
blk_finish_plug
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
|
--0.61%--generic_file_direct_write
__generic_file_write_iter
ext4_file_write_iter
new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
0x7675c
0x204f2f4920656c69
0.86% sysbench libpthread-2.23.so [.] pthread_mutex_unlock
|
---pthread_mutex_unlock
0.81% sysbench [kernel.kallsyms] [k] ext4_data_block_valid
|
---ext4_data_block_valid
__check_block_validity.constprop.76
ext4_map_blocks
|
--0.56%--ext4_file_write_iter
new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
0.81% sysbench [kernel.kallsyms] [k] native_write_msr
|
---native_write_msr
intel_pmu_disable_all
x86_pmu_disable
perf_pmu_disable.part.90
ctx_sched_out
task_ctx_sched_out
__perf_event_task_sched_out
__schedule
schedule
0.72% sysbench [kernel.kallsyms] [k] dio_complete
|
---dio_complete
0.71% sysbench [kernel.kallsyms] [k] __vfs_read
|
---__vfs_read
0.70% sysbench [kernel.kallsyms] [k] ext4_es_lookup_extent
|
---ext4_es_lookup_extent
ext4_map_blocks
_ext4_get_block
ext4_dio_get_block
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
0.70% sysbench [kernel.kallsyms] [k] blk_account_io_start
|
---blk_account_io_start
0.67% sysbench [kernel.kallsyms] [k] dio_bio_complete
|
---dio_bio_complete
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
|
--0.67%--generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
0.64% sysbench [kernel.kallsyms] [k] entry_SYSCALL_64
|
---entry_SYSCALL_64
0.63% sysbench [kernel.kallsyms] [k] rwsem_down_write_failed
|
---rwsem_down_write_failed
call_rwsem_down_write_failed
down_write
0.63% sysbench [kernel.kallsyms] [k] bio_alloc_bioset
|
---bio_alloc_bioset
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
0.61% sysbench [kernel.kallsyms] [k] pick_next_task_fair
|
---pick_next_task_fair
__schedule
schedule
io_schedule
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
0.57% sysbench [kernel.kallsyms] [k] select_task_rq_fair
|
---select_task_rq_fair
try_to_wake_up
wake_up_q
rwsem_wake
call_rwsem_wake
up_write
ext4_file_write_iter
new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
0x7675c
0x204f2f4920656c69
0.56% sysbench libpthread-2.23.so [.] pthread_mutex_lock
|
---pthread_mutex_lock
0.56% sysbench [kernel.kallsyms] [k] list_sort
|
---list_sort
blk_mq_flush_plug_list
blk_flush_plug_list
blk_finish_plug
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
generic_file_direct_write
__generic_file_write_iter
ext4_file_write_iter
new_sync_write
__vfs_write
vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
0
0
0.55% sysbench [kernel.kallsyms] [k] __vfs_write
|
---__vfs_write
sys_pwrite64
entry_SYSCALL_64_fastpath
__GI___libc_pwrite64
0
0
0.54% sysbench [kernel.kallsyms] [k] __update_load_avg_se.isra.37
|
---__update_load_avg_se.isra.37
update_load_avg
dequeue_entity
dequeue_task_fair
deactivate_task
__schedule
schedule
io_schedule
do_blockdev_direct_IO
__blockdev_direct_IO
ext4_direct_IO
generic_file_read_iter
ext4_file_read_iter
new_sync_read
__vfs_read
vfs_read
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
0.54% sysbench [kernel.kallsyms] [k] __fget
|
---__fget
__fget_light
__fdget
sys_pread64
entry_SYSCALL_64_fastpath
__GI___libc_pread64
|
--0.50%--0x1
0.52% sysbench [kernel.kallsyms] [k] wake_up_q
|
---wake_up_q
rwsem_wake
call_rwsem_wake
up_write
0.52% sysbench sysbench [.] sb_histogram_update
|
---sb_histogram_update
0x7f8b1d9a7010
0
0.49% sysbench [kernel.kallsyms] [k] touch_atime
0.49% sysbench [kernel.kallsyms] [k] check_cfs_rq_runtime
0.47% sysbench [kernel.kallsyms] [k] __rwsem_mark_wake.constprop.3
0.46% sysbench [kernel.kallsyms] [k] update_load_avg
0.46% sysbench [kernel.kallsyms] [k] mempool_free_slab
0.45% sysbench libpthread-2.23.so [.] __GI___libc_pread64
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#
# (Cannot load tips.txt file, please install perf!)
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