You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-19 - 01:48
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 rack3slot3.osadl.org (updated Thu Jun 19, 2025 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29634501180irq/53-eth0-rx-0-21swapper/119:09:071
15024211091sleep00-21swapper/019:06:240
29634501020irq/53-eth0-rx-0-21swapper/1119:05:213
12250990irq/42-ahci0-21swapper/219:09:484
2963450960irq/53-eth0-rx-0-21swapper/319:09:585
2963450940irq/53-eth0-rx-0-21swapper/1019:05:062
1532229186sleep40-21swapper/419:09:396
2963450900irq/53-eth0-rx-0-21swapper/519:08:057
12250840irq/42-ahci0-21swapper/819:08:5310
113850830irq/18-parport00-21swapper/919:05:2911
14850810irq/18-uhci_hcd0-21swapper/719:05:309
1217426656sleep60-21swapper/619:05:048
1546799470cyclictest0-21swapper/022:15:140
15496993936cyclictest551ksoftirqd/621:36:458
1547799372cyclictest0-21swapper/100:10:001
1550299363cyclictest0-21swapper/1023:01:282
1550299363cyclictest0-21swapper/1020:04:262
1550099363cyclictest0-21swapper/821:09:1410
1550099363cyclictest0-21swapper/819:21:4510
1550099363cyclictest0-21swapper/819:21:4410
1550099362cyclictest0-21swapper/823:12:5210
1550099361cyclictest0-21swapper/800:08:4710
1549699362cyclictest0-21swapper/623:50:008
1546799362cyclictest0-21swapper/000:00:210
1550199350cyclictest0-21swapper/920:43:4411
1550099353cyclictest0-21swapper/821:17:4510
1550099352cyclictest0-21swapper/822:17:4510
1550099352cyclictest0-21swapper/820:51:1410
1550099350cyclictest0-21swapper/822:47:5210
1546799353cyclictest0-21swapper/000:10:170
1550299343cyclictest0-21swapper/1000:15:572
1550099342cyclictest0-21swapper/800:14:5710
1550099341cyclictest0-21swapper/800:04:1910
1549699342cyclictest0-21swapper/620:14:428
1550299333cyclictest0-21swapper/1022:58:482
1550299331cyclictest0-21swapper/1022:45:122
1550099333cyclictest0-21swapper/821:35:4510
1550099331cyclictest0-21swapper/823:34:3810
1550099331cyclictest0-21swapper/820:56:1410
1550099331cyclictest0-21swapper/820:33:1410
1550199323cyclictest0-21swapper/920:51:5911
1550199323cyclictest0-21swapper/919:35:5911
1550099323cyclictest0-21swapper/819:19:1010
1550099323cyclictest0-21swapper/819:19:1010
1550099322cyclictest0-21swapper/823:43:0710
1550099322cyclictest0-21swapper/821:25:4710
1550099322cyclictest0-21swapper/800:29:4910
1549699322cyclictest0-21swapper/620:37:138
1549699322cyclictest0-21swapper/620:01:158
1546799320cyclictest0-21swapper/022:26:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional