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2026-06-26 - 16:30
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Fri Jun 26, 2026 13:02:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11219992341,227cyclictest2456-21CPU35
11219992341,227cyclictest2456-21CPU35
11219992341,227cyclictest2456-21CPU35
1123799227222,2cyclictest0-21swapper/1909:39:4011
1123799227222,2cyclictest0-21swapper/1909:39:3911
1126099209195,11cyclictest0-21swapper/3912:02:4233
1126099209195,11cyclictest0-21swapper/3912:02:4133
11219992081,68cyclictest0-21swapper/509:50:1635
11219992081,68cyclictest0-21swapper/509:50:1635
11219992081,68cyclictest0-21swapper/509:50:1635
1123799205202,2cyclictest0-21swapper/1909:50:1511
1123799205202,2cyclictest0-21swapper/1909:50:1511
1123799205202,2cyclictest0-21swapper/1909:50:1411
1124699197191,4cyclictest0-21swapper/2709:35:1620
1124699197191,4cyclictest0-21swapper/2709:35:1620
1124699195184,9cyclictest4398-21qemu-system-x8611:20:3620
1124699195184,9cyclictest4398-21qemu-system-x8611:20:3620
1124699195184,9cyclictest4398-21qemu-system-x8611:20:3620
1125599194182,9cyclictest0-21swapper/3511:31:5329
1125599194182,9cyclictest0-21swapper/3511:31:5329
1124699194186,6cyclictest0-21swapper/2709:45:1420
1124699194186,6cyclictest0-21swapper/2709:45:1320
1124399194167,25cyclictest0-21swapper/2512:10:5718
1124399194167,25cyclictest0-21swapper/2512:10:5718
1124399194167,25cyclictest0-21swapper/2512:10:5718
11259991935,179cyclictest2454-21CPU32
11259991935,179cyclictest2454-21CPU32
11259991935,179cyclictest2454-21CPU32
1126099192177,10cyclictest0-21swapper/3911:35:0333
1126099192177,10cyclictest0-21swapper/3911:35:0333
1124699192178,7cyclictest0-21swapper/2710:35:1920
1124699192178,7cyclictest0-21swapper/2710:35:1820
1125999191171,17cyclictest0-21swapper/3809:54:2332
1125999191171,17cyclictest0-21swapper/3809:54:2232
1125999191171,17cyclictest0-21swapper/3809:54:2232
1124399191183,6cyclictest0-21swapper/2510:44:5018
1124399191183,6cyclictest0-21swapper/2510:44:5018
1124399191183,6cyclictest0-21swapper/2510:44:4918
1124099191184,3cyclictest0-21swapper/2209:45:0115
1124099191184,3cyclictest0-21swapper/2209:45:0115
1124099191184,3cyclictest0-21swapper/2209:45:0115
11233991914,4cyclictest2464-21CPU8
11233991914,4cyclictest2464-21CPU8
11233991914,4cyclictest2464-21CPU8
1122299191181,5cyclictest5476-21kworker/u81:0-writeback10:51:5838
1122299191181,5cyclictest5476-21kworker/u81:0-writeback10:51:5738
1122299191181,5cyclictest5476-21kworker/u81:0-writeback10:51:5738
1125999190157,29cyclictest0-21swapper/3810:40:3432
1125999190157,29cyclictest0-21swapper/3810:40:3432
1125999190157,29cyclictest0-21swapper/3810:40:3332
1125099190180,7cyclictest0-21swapper/3111:31:5325
1125099190180,7cyclictest0-21swapper/3111:31:5325
1124699190176,6cyclictest0-21swapper/2711:34:0420
1124699190176,6cyclictest0-21swapper/2711:34:0420
1124699189177,8cyclictest0-21swapper/2710:10:1220
1124699189177,8cyclictest0-21swapper/2710:10:1220
1124699189177,8cyclictest0-21swapper/2710:10:1120
1124699189172,14cyclictest0-21swapper/2711:08:0820
1124699189172,14cyclictest0-21swapper/2711:08:0820
11219991890,86cyclictest2327-21qemu-system-x8609:39:0135
11219991890,86cyclictest2327-21qemu-system-x8609:39:0135
1124699188184,2cyclictest0-21swapper/2712:25:0520
1124699188184,2cyclictest0-21swapper/2712:25:0520
1124699188184,2cyclictest0-21swapper/2712:25:0520
1124699188182,4cyclictest0-21swapper/2712:34:0020
1124699188182,4cyclictest0-21swapper/2712:34:0020
1124699188182,4cyclictest0-21swapper/2712:34:0020
1124699188181,3cyclictest3542-21CPU20
1124699188181,3cyclictest3542-21CPU20
1124699188181,3cyclictest3542-21CPU20
1124699188181,3cyclictest2447-21CPU20
1124699188181,3cyclictest2447-21CPU20
11219991881,80cyclictest0-21swapper/509:45:0135
11219991881,80cyclictest0-21swapper/509:45:0135
11219991881,80cyclictest0-21swapper/509:45:0135
1124399187175,10cyclictest0-21swapper/2512:10:0918
11219991871,181cyclictest0-21swapper/508:25:0135
11219991871,181cyclictest0-21swapper/508:25:0135
1124699186177,4cyclictest0-21swapper/2709:55:1320
1124699186177,4cyclictest0-21swapper/2709:55:1320
1124699186177,4cyclictest0-21swapper/2709:55:1220
1124699185177,4cyclictest37351-21CPU20
1124699185176,5cyclictest3610-21CPU20
1124699185176,5cyclictest3610-21CPU20
1124699185167,14cyclictest0-21swapper/2711:20:0120
1124699185167,14cyclictest0-21swapper/2711:20:0120
1123399185160,19cyclictest0-21swapper/1609:38:498
1123399185160,19cyclictest0-21swapper/1609:38:498
1121499185180,3cyclictest0-21swapper/009:30:180
1121499185180,3cyclictest0-21swapper/009:30:180
1124699184170,11cyclictest0-21swapper/2708:45:2120
1124699184170,11cyclictest0-21swapper/2708:45:2120
1124399184177,4cyclictest0-21swapper/2512:02:2418
1124399184177,4cyclictest0-21swapper/2512:02:2418
1126099183173,8cyclictest0-21swapper/3909:10:4033
1126099183173,8cyclictest0-21swapper/3909:10:4033
1125999183111,67cyclictest0-21swapper/3809:56:1532
1125999183111,67cyclictest0-21swapper/3809:56:1532
1125999183111,67cyclictest0-21swapper/3809:56:1532
1124699183178,3cyclictest1442-21gdbus10:00:1520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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