[LUDOC-478] Update Section 39.3.2. Monitoring Client Activity to include newer stats

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Affects Version/s: Lustre 2.13.0 Manual
• Labels: documentation
• Environment: PDF Manual from lustre.org as of Sept. 10, 2020

Epic/Theme

Documentation

• Severity: 3
• Assignee: Lustre Manual Triage
• Reporter: Frank Leers

Description

In the Example, and the table describing the output:

 

client# lctl get_param snapshot_time dirty_pages_hits dirty_pages_misses read_bytes write_bytes

brw_read ioctl open close seek fsync truncate setxattr getxattr

llite.*.stats
1308343279.169704 secs.usecs
14819716 samples [regs]
81473472 samples [regs]
36502963 samples [bytes] 1 26843582 55488794 22985001 samples [bytes] 0 125912 3379002 2279 samples [pages] 1 1 2270
186749 samples [regs]
3304805 samples [regs]
3331323 samples [regs]
48222475 samples [regs]
963 samples [regs]
9073 samples [regs]
19059 samples [regs]
61169 samples [regs]

 

Output from a live client

 

[root@c0 ~]# lctl get_param llite.*.stats
llite.ai400x-ffff8964f796b000.stats=
snapshot_time 1599769749.826833297 secs.nsecs
read_bytes 1993986 samples [bytes] 1 1703911 29843762
write_bytes 37945 samples [bytes] 1 2147479552 16385470703
read 1993964 samples [usec] 0 24546661 37240775
write 37945 samples [usec] 0 1373769 12479599
ioctl 3396 samples [reqs]
open 998827 samples [usec] 0 35773 944535693
close 998827 samples [usec] 0 104607 282697220
mmap 804166 samples [usec] 1 144 3530692
page_fault 27313698 samples [usec] 0 160536 468017274
seek 905454 samples [usec] 0 25 2167
readdir 192740 samples [usec] 0 80063 3091293
setattr 1 samples [usec] 250 250 250
truncate 181 samples [usec] 198 123802 405201
flock 6 samples [usec] 46 64 323
getattr 3894177 samples [usec] 0 147284 36069910
unlink 24 samples [usec] 131 355 4742
mkdir 6 samples [usec] 100 190 896
rmdir 4 samples [usec] 90 105 382
rename 368 samples [usec] 74 229 37647
statfs 2 samples [usec] 84 105 189
getxattr 966 samples [usec] 0 3473 64728
getxattr_hits 845 samples [reqs]
inode_permission 13236103 samples [usec] 0 2217 4448557

 

Please update and add the missing stats in the example output, as well as in the table where the stats are described.

 

 

 

Comments

[Frank Leers]

The section I pasted from the manual didn't format properly. Attached a screenshot of that page (449)