Skip to content
Permalink
master
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?

lktm/drivers/block/sampleblk/labs/lab2/perf_block_getrq.log

Go to file
 
 
Cannot retrieve contributors at this time
267 lines (248 sloc) 10.1 KB
Raw Blame
Open in GitHub Desktop
# To display the perf.data header info, please use --header/--header-only options.
#
# Samples: 25K of event 'block:block_getrq'
# Event count (approx.): 25285
#
# 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
|
|--54.41%-- ext4_writepages
| do_writepages
| __filemap_fdatawrite_range
| sys_fadvise64
| do_syscall_64
| return_from_SYSCALL_64
| posix_fadvise64
| 0
|
--45.59%-- 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
|
|--54.41%-- ext4_writepages
| do_writepages
| __filemap_fdatawrite_range
| sys_fadvise64
| do_syscall_64
| return_from_SYSCALL_64
| posix_fadvise64
| 0
|
--45.59%-- 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
|
|--54.41%-- ext4_writepages
| do_writepages
| __filemap_fdatawrite_range
| sys_fadvise64
| do_syscall_64
| return_from_SYSCALL_64
| posix_fadvise64
| 0
|
--45.59%-- 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
|
|--54.41%-- ext4_writepages
| do_writepages
| __filemap_fdatawrite_range
| sys_fadvise64
| do_syscall_64
| return_from_SYSCALL_64
| posix_fadvise64
| 0
|
--45.59%-- 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] get_request
|
---get_request
blk_queue_bio
generic_make_request
submit_bio
ext4_io_submit
|
|--54.41%-- ext4_writepages
| do_writepages
| __filemap_fdatawrite_range
| sys_fadvise64
| do_syscall_64
| return_from_SYSCALL_64
| posix_fadvise64
| 0
|
--45.59%-- 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
45.59% 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
45.59% 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
45.59% 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
45.59% 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)
#