You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-10-05 - 13:39
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack1slot2.osadl.org (updated Sat Oct 05, 2024 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71226359,0sleep00-21swapper/006:39:500
174025453,0sleep10-21swapper/106:40:031
750623725,0sleep20-21swapper/206:41:202
773523429,0sleep30-21swapper/306:44:013
329970,0watchdog/311044-21ssh11:49:563
329970,0watchdog/30-21swapper/309:40:053
8315060,0irq/26-0000:00:0-21swapper/307:30:003
339960,0migration/35727-21fschecks_time08:34:583
339960,0migration/328216-21sh09:06:113
339960,0migration/313335-21ntp_offset09:35:053
339960,0migration/311419-21sh10:34:513
329960,0watchdog/32715-21sh12:01:163
329960,0watchdog/30-21swapper/312:04:483
329960,0watchdog/30-21swapper/311:47:083
329960,0watchdog/30-21swapper/311:47:083
329960,0watchdog/30-21swapper/311:39:523
329960,0watchdog/30-21swapper/311:35:403
329960,0watchdog/30-21swapper/311:31:563
329960,0watchdog/30-21swapper/311:23:253
329960,0watchdog/30-21swapper/311:16:493
329960,0watchdog/30-21swapper/311:06:573
329960,0watchdog/30-21swapper/311:02:013
329960,0watchdog/30-21swapper/310:54:493
329960,0watchdog/30-21swapper/310:46:573
329960,0watchdog/30-21swapper/310:40:053
329960,0watchdog/30-21swapper/310:05:533
329960,0watchdog/30-21swapper/309:55:013
329960,0watchdog/30-21swapper/309:30:053
329960,0watchdog/30-21swapper/308:50:533
329960,0watchdog/30-21swapper/308:47:133
329960,0watchdog/30-21swapper/308:28:533
29935060,0irq/33-eth0-tx-22956-21munin-node08:24:570
29935060,0irq/33-eth0-tx-12281-21munin-node08:40:030
29925060,0irq/32-eth0-rx-27172-21kthreadcore07:40:043
29925060,0irq/32-eth0-rx-14227-21kthreadcore09:00:033
29925060,0irq/32-eth0-rx-0-21swapper/312:09:553
29925060,0irq/32-eth0-rx-0-21swapper/311:56:563
29925060,0irq/32-eth0-rx-0-21swapper/311:11:463
29925060,0irq/32-eth0-rx-0-21swapper/310:25:023
29925060,0irq/32-eth0-rx-0-21swapper/310:16:023
29925060,0irq/32-eth0-rx-0-21swapper/310:01:003
29925060,0irq/32-eth0-rx-0-21swapper/309:50:433
29925060,0irq/32-eth0-rx-0-21swapper/309:21:183
29925060,0irq/32-eth0-rx-0-21swapper/309:15:063
29925060,0irq/32-eth0-rx-0-21swapper/309:10:093
29925060,0irq/32-eth0-rx-0-21swapper/308:54:483
29925060,0irq/32-eth0-rx-0-21swapper/308:09:563
29925060,0irq/32-eth0-rx-0-21swapper/306:59:593
149960,0migration/06967-21mdstat07:25:030
78669954,0cyclictest20597-21awk11:54:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional