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# To display the perf.data header info, please use --header/--header-only options. | |
# | |
# Samples: 260 of event 'block:block_bio_backmerge' | |
# Event count (approx.): 260 | |
# | |
# Children Self Command Shared Object Symbol | |
# ........ ........ ....... ................ ............................... | |
# | |
100.00% 0.00% fio [unknown] [.] 0000000000000000 | |
| | |
---0 | |
100.00% 0.00% fio libc-2.17.so [.] posix_fadvise64 | |
| | |
---posix_fadvise64 | |
0 | |
100.00% 0.00% fio [kernel.vmlinux] [k] return_from_SYSCALL_64 | |
| | |
---return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 0.00% fio [kernel.vmlinux] [k] do_syscall_64 | |
| | |
---do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 0.00% fio [kernel.vmlinux] [k] sys_fadvise64 | |
| | |
---sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 0.00% fio [kernel.vmlinux] [k] __filemap_fdatawrite_range | |
| | |
---__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 0.00% fio [kernel.vmlinux] [k] do_writepages | |
| | |
---do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 0.00% fio [ext4] [k] ext4_writepages | |
| | |
---ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 0.00% fio [ext4] [k] ext4_io_submit | |
| | |
---ext4_io_submit | |
| | |
|--94.23%-- ext4_writepages | |
| do_writepages | |
| __filemap_fdatawrite_range | |
| sys_fadvise64 | |
| do_syscall_64 | |
| return_from_SYSCALL_64 | |
| posix_fadvise64 | |
| 0 | |
| | |
--5.77%-- ext4_bio_write_page | |
mpage_submit_page | |
mpage_process_page_bufs | |
mpage_prepare_extent_to_map | |
ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 0.00% fio [kernel.vmlinux] [k] submit_bio | |
| | |
---submit_bio | |
ext4_io_submit | |
| | |
|--94.23%-- ext4_writepages | |
| do_writepages | |
| __filemap_fdatawrite_range | |
| sys_fadvise64 | |
| do_syscall_64 | |
| return_from_SYSCALL_64 | |
| posix_fadvise64 | |
| 0 | |
| | |
--5.77%-- ext4_bio_write_page | |
mpage_submit_page | |
mpage_process_page_bufs | |
mpage_prepare_extent_to_map | |
ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 0.00% fio [kernel.vmlinux] [k] generic_make_request | |
| | |
---generic_make_request | |
submit_bio | |
ext4_io_submit | |
| | |
|--94.23%-- ext4_writepages | |
| do_writepages | |
| __filemap_fdatawrite_range | |
| sys_fadvise64 | |
| do_syscall_64 | |
| return_from_SYSCALL_64 | |
| posix_fadvise64 | |
| 0 | |
| | |
--5.77%-- ext4_bio_write_page | |
mpage_submit_page | |
mpage_process_page_bufs | |
mpage_prepare_extent_to_map | |
ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 0.00% fio [kernel.vmlinux] [k] blk_queue_bio | |
| | |
---blk_queue_bio | |
generic_make_request | |
submit_bio | |
ext4_io_submit | |
| | |
|--94.23%-- ext4_writepages | |
| do_writepages | |
| __filemap_fdatawrite_range | |
| sys_fadvise64 | |
| do_syscall_64 | |
| return_from_SYSCALL_64 | |
| posix_fadvise64 | |
| 0 | |
| | |
--5.77%-- ext4_bio_write_page | |
mpage_submit_page | |
mpage_process_page_bufs | |
mpage_prepare_extent_to_map | |
ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 0.00% fio [kernel.vmlinux] [k] blk_attempt_plug_merge | |
| | |
---blk_attempt_plug_merge | |
blk_queue_bio | |
generic_make_request | |
submit_bio | |
ext4_io_submit | |
| | |
|--94.23%-- ext4_writepages | |
| do_writepages | |
| __filemap_fdatawrite_range | |
| sys_fadvise64 | |
| do_syscall_64 | |
| return_from_SYSCALL_64 | |
| posix_fadvise64 | |
| 0 | |
| | |
--5.77%-- ext4_bio_write_page | |
mpage_submit_page | |
mpage_process_page_bufs | |
mpage_prepare_extent_to_map | |
ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
100.00% 100.00% fio [kernel.vmlinux] [k] bio_attempt_back_merge | |
| | |
---bio_attempt_back_merge | |
blk_attempt_plug_merge | |
blk_queue_bio | |
generic_make_request | |
submit_bio | |
ext4_io_submit | |
| | |
|--94.23%-- ext4_writepages | |
| do_writepages | |
| __filemap_fdatawrite_range | |
| sys_fadvise64 | |
| do_syscall_64 | |
| return_from_SYSCALL_64 | |
| posix_fadvise64 | |
| 0 | |
| | |
--5.77%-- ext4_bio_write_page | |
mpage_submit_page | |
mpage_process_page_bufs | |
mpage_prepare_extent_to_map | |
ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
5.77% 0.00% fio [ext4] [k] mpage_prepare_extent_to_map | |
| | |
---mpage_prepare_extent_to_map | |
ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
5.77% 0.00% fio [ext4] [k] mpage_process_page_bufs | |
| | |
---mpage_process_page_bufs | |
mpage_prepare_extent_to_map | |
ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
5.77% 0.00% fio [ext4] [k] mpage_submit_page | |
| | |
---mpage_submit_page | |
mpage_process_page_bufs | |
mpage_prepare_extent_to_map | |
ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
5.77% 0.00% fio [ext4] [k] ext4_bio_write_page | |
| | |
---ext4_bio_write_page | |
mpage_submit_page | |
mpage_process_page_bufs | |
mpage_prepare_extent_to_map | |
ext4_writepages | |
do_writepages | |
__filemap_fdatawrite_range | |
sys_fadvise64 | |
do_syscall_64 | |
return_from_SYSCALL_64 | |
posix_fadvise64 | |
0 | |
# | |
# (For a higher level overview, try: perf report --sort comm,dso) | |
# |