You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-27 - 11:26
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot4.osadl.org (updated Sat Apr 27, 2024 00:46:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
335052999130114,8cyclictest3538121-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:03:022
335052999124109,8cyclictest3576154-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork
23:38:012
3350522991231,82cyclictest3350110-21kworker/0:2+events@
igb_watchdog_task
21:20:360
3350522991182,77cyclictest3407326-21kworker/0:1+events@
igb_watchdog_task
21:35:000
335053399116102,6cyclictest3526175-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:02:553
335054299112106,2cyclictest0-21swapper/523:46:445
33505339911297,7cyclictest3380710-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
20:32:233
33505229911046,30cyclictest3504868-21ntpq22:35:340
33505229910852,27cyclictest3570023-21kworker/0:1-events23:55:410
33505229910773,29cyclictest3471968-21taskset22:09:520
3350522991062,52cyclictest3501309-21kworker/0:0+events@
igb_watchdog_task
23:05:010
33505229910574,25cyclictest14250irq/98-imx_mu_c22:30:310
33505299910491,6cyclictest3362374-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
20:07:202
33505299910491,6cyclictest3362374-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
20:07:202
33505259910489,7cyclictest3368422-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
20:02:171
3350522991042,67cyclictest3636221-21kworker/0:0+events@
igb_watchdog_task
00:29:040
3350522991032,72cyclictest3350110-21kworker/0:2+events@
igb_watchdog_task
19:35:320
3350522991032,72cyclictest3350110-21kworker/0:2+events@
igb_watchdog_task
19:35:320
33505299910188,6cyclictest3513771-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:17:572
33505299910188,6cyclictest3435936-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
21:57:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional