add slabratetop libbpf-tools#3797
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davemarchevsky merged 1 commit intoiovisor:masterfrom Jul 7, 2022
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Rtoax
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chenhengqi
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Jan 7, 2022
chenhengqi
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Jan 8, 2022
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LGTM. One more request, please squash your commits and add this to your commit message. |
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Fix in a53b445 |
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I just squash commits and modify commit message. |
Total same as [slabratetop(8)](https://github.com/iovisor/bcc/blob/master/tools/slabratetop.py), but add some options params: ```bash $ sudo ./slabratetop -h Usage: slabratetop [OPTION...] Trace slab kmem cache alloc by process. USAGE: slabratetop [-h] [-p PID] [interval] [count] EXAMPLES: slabratetop # slab rate top, refresh every 1s slabratetop -p 181 # only trace PID 181 slabratetop -s count # sort columns by count slabratetop -r 100 # print 100 rows slabratetop 5 10 # 5s summaries, 10 times -C, --noclear Don't clear the screen -p, --pid=PID Process ID to trace -r, --rows=ROWS Maximum rows to print, default 20 -s, --sort=SORT Sort columns, default size [name, count, size] -v, --verbose Verbose debug output -?, --help Give this help list --usage Give a short usage message -V, --version Print program version Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. Report bugs to https://github.com/iovisor/bcc/tree/master/libbpf-tools. ``` print like: ```bash 13:29:26 loadavg: 0.06 0.01 0.02 1/556 9961 CACHE ALLOCS BYTES names_cache 86 374272 filp 43 27520 vm_area_struct 87 22968 anon_vma 32 8704 mm_struct 3 5760 anon_vma_chain 55 5280 cred_jar 19 4864 dentry 12 4704 page->ptl 44 4576 UNIX 2 4224 proc_inode_cache 3 3744 xfs_trans 11 3256 skbuff_head_cache 8 2560 seq_file 8 2496 xfs_log_ticket 10 2480 sighand_cache 1 2368 signal_cache 1 1792 xfs_btree_cur 5 1440 sock_inode_cache 1 1408 lsm_file_cache 43 1376 ```
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Total same as slabratetop(8), but add some options params:
$ sudo ./slabratetop -h Usage: slabratetop [OPTION...] Trace slab kmem cache alloc by process. USAGE: slabratetop [-h] [-p PID] [interval] [count] EXAMPLES: slabratetop # slab rate top, refresh every 1s slabratetop -p 181 # only trace PID 181 slabratetop -s count # sort columns by count slabratetop -r 100 # print 100 rows slabratetop 5 10 # 5s summaries, 10 times -C, --noclear Don't clear the screen -p, --pid=PID Process ID to trace -r, --rows=ROWS Maximum rows to print, default 20 -s, --sort=SORT Sort columns, default size [name, count, size] -v, --verbose Verbose debug output -?, --help Give this help list --usage Give a short usage message -V, --version Print program version Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. Report bugs to https://github.com/iovisor/bcc/tree/master/libbpf-tools.print like:
13:29:26 loadavg: 0.06 0.01 0.02 1/556 9961 CACHE ALLOCS BYTES names_cache 86 374272 filp 43 27520 vm_area_struct 87 22968 anon_vma 32 8704 mm_struct 3 5760 anon_vma_chain 55 5280 cred_jar 19 4864 dentry 12 4704 page->ptl 44 4576 UNIX 2 4224 proc_inode_cache 3 3744 xfs_trans 11 3256 skbuff_head_cache 8 2560 seq_file 8 2496 xfs_log_ticket 10 2480 sighand_cache 1 2368 signal_cache 1 1792 xfs_btree_cur 5 1440 sock_inode_cache 1 1408 lsm_file_cache 43 1376