You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-02 - 21:14
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 rack1slot8.osadl.org (updated Sun Nov 02, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47121005980,16sleep00-21swapper/007:07:090
4112801778,16sleep10-21swapper/107:06:371
81399480404,51cyclictest0-21swapper/009:35:450
81399472351,92cyclictest0-21swapper/007:10:210
81499430351,47cyclictest0-21swapper/109:35:451
81499407281,24cyclictest1732-21strings07:10:201
8149910315,73cyclictest0-21swapper/108:29:001
2203521020,3sleep022039-21unixbench_multi08:05:250
813999071,14cyclictest0-21swapper/009:41:590
814998714,58cyclictest0-21swapper/107:23:001
814998712,56cyclictest0-21swapper/107:20:001
316762870,3sleep131675-21ssh11:31:501
229702850,2sleep1251rcuc/112:12:561
813998267,10cyclictest0-21swapper/012:30:580
814998013,49cyclictest0-21swapper/107:50:001
81399753,50cyclictest13804-21ssh11:00:440
813997413,44cyclictest78950irq/46-eth0-tx-10:01:100
81399724,61cyclictest0-21swapper/012:15:070
81399722,49cyclictest26744-21ssh10:29:340
813997152,15cyclictest0-21swapper/009:32:590
813997144,20cyclictest0-21swapper/008:30:200
813997143,22cyclictest0-21swapper/011:51:440
81399713,61cyclictest1397-21ssh09:45:220
81399713,42cyclictest32087-21ssh10:37:550
81399713,42cyclictest20121-21ssh12:08:000
813997120,44cyclictest78950irq/46-eth0-tx-10:11:040
81399703,43cyclictest29169-21ssh11:28:060
81399703,43cyclictest29169-21ssh11:28:050
81399703,42cyclictest23365-21ssh09:28:290
81399703,42cyclictest23365-21ssh09:28:290
81399703,35cyclictest26989-21ssh12:20:150
813997010,54cyclictest78950irq/46-eth0-tx-10:16:370
216899700,10rtkit-daemon0-21swapper/110:06:461
813996943,20cyclictest0-21swapper/011:32:560
81399693,57cyclictest1427-21runrttasks12:39:450
81399693,42cyclictest22956-21ssh10:21:560
81399692,61cyclictest16629-21ssh09:16:310
81399692,58cyclictest18142-21latency_hist11:10:010
81399692,43cyclictest20209-21ssh09:23:100
813996919,43cyclictest78950irq/46-eth0-tx-10:08:140
813996919,43cyclictest78950irq/46-eth0-tx-09:55:370
81399689,51cyclictest7649-21ssh11:45:320
813996838,23cyclictest0-21swapper/011:43:500
81399683,57cyclictest6542-21ssh09:55:020
81399683,41cyclictest21050-21ssh11:15:000
813996821,33cyclictest78950irq/46-eth0-tx-09:13:050
81399682,58cyclictest8039-21ssh10:51:080
81399682,43cyclictest31474-21ssh12:27:480
813996818,43cyclictest78950irq/46-eth0-tx-11:22:040
813996818,43cyclictest78950irq/46-eth0-tx-10:32:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional