fsmon vs fs_usage

[alvarofe]

It's true that the output from fsmon is nicer than fs_usage but it doesn't lose any event.

$ sudo fs_usage 43
18:28:12.852614  write             F=14   B=0x4f                                                                                        0.000005   syslogd.2809400
18:28:12.852748  write             F=14   B=0x78                                                                                        0.000009   syslogd.2808983
18:28:12.852838  write             F=14   B=0x59                                                                                        0.000009   syslogd.2808983
18:28:12.854518  write             F=14   B=0x63                                                                                        0.000011   syslogd.2809400
18:28:22.015680  lseek             F=7    O=0x00000000         <UNKNOWN>                                                                0.000002   syslogd.2809428
18:28:22.017050  write             F=7    B=0x8                                                                                         0.001370   syslogd.2809428
18:28:22.017079  lseek             F=12   O=0x000aecfc         <UNKNOWN>                                                                0.000003   syslogd.2809428
18:28:22.018387  write             F=12   B=0x9a                                                                                        0.001307   syslogd.2809428
18:28:22.018390  lseek             F=12   O=0x000aec68         <UNKNOWN>                                                                0.000001   syslogd.2809428
18:28:22.018393  write             F=12   B=0x8                                                                                         0.000003   syslogd.2809428
18:28:22.018394  lseek             F=12   O=0x00000025         <UNKNOWN>                                                                0.000001   syslogd.2809428
18:28:22.019752  write             F=12   B=0x8                                                                                         0.001359   syslogd.2809428
18:28:22.019756  lseek             F=12   O=0x000aed96         <UNKNOWN>                                                                0.000002   syslogd.2809428
18:28:22.021179  write             F=8    B=0x84

From fsmon I had to change different backends any of them were working except fsevapi but is giving the following output, quite hard to make head or tails from it.

The process that I am monitoring with the purpose to explore the tool is syslogd. I wouldn't mind to look at this issue and working on the output, but busy these days. Will try in the following weeks

[trufae]

fsusage uses the fsevapi afaik, thats because output is the same in both ;)

each filesystem backend supports different events.

the output i get from fsmon -b fsevapi is exactly like the one in others, so i cant reproduce this issue

On 15 Sep 2016, at 18:34, Álvaro Felipe Melchor [email protected] wrote:

It's true that the output from fsmon is nicer than fs_usage but it doesn't lose any event.

$ sudo fs_usage 43
18:28:12.852614 write F=14 B=0x4f 0.000005 syslogd.2809400
18:28:12.852748 write F=14 B=0x78 0.000009 syslogd.2808983
18:28:12.852838 write F=14 B=0x59 0.000009 syslogd.2808983
18:28:12.854518 write F=14 B=0x63 0.000011 syslogd.2809400
18:28:22.015680 lseek F=7 O=0x00000000 0.000002 syslogd.2809428
18:28:22.017050 write F=7 B=0x8 0.001370 syslogd.2809428
18:28:22.017079 lseek F=12 O=0x000aecfc 0.000003 syslogd.2809428
18:28:22.018387 write F=12 B=0x9a 0.001307 syslogd.2809428
18:28:22.018390 lseek F=12 O=0x000aec68 0.000001 syslogd.2809428
18:28:22.018393 write F=12 B=0x8 0.000003 syslogd.2809428
18:28:22.018394 lseek F=12 O=0x00000025 0.000001 syslogd.2809428
18:28:22.019752 write F=12 B=0x8 0.001359 syslogd.2809428
18:28:22.019756 lseek F=12 O=0x000aed96 0.000002 syslogd.2809428
18:28:22.021179 write F=8 B=0x84
From fsmon I had to change different backends any of them were working except fsevapi but is giving the following output, quite hard to make head or tails from it.

https://cloud.githubusercontent.com/assets/3474042/18558172/629aca12-7b72-11e6-8da1-bd1250d141a3.png
The process that I am monitoring with the purpose to explore the tool is syslogd. I wouldn't mind to look at this issue and working on the output, but busy these days. Will try in the following weeks

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[trufae]

ping?