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2026-07-09 - 17:10
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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 Thu Jul 09, 2026 13:02:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2961299248243,3cyclictest0-21swapper/1611:15:008
2961299248243,3cyclictest0-21swapper/1611:15:008
2960099217209,4cyclictest3548-21CPU36
2960099217209,4cyclictest3548-21CPU36
2960099216211,3cyclictest0-21swapper/612:31:2536
2960099216211,3cyclictest0-21swapper/612:31:2436
2960099216211,3cyclictest0-21swapper/612:31:2436
2960899215211,2cyclictest0-21swapper/1311:15:245
2960899215211,2cyclictest0-21swapper/1311:15:235
2962499211205,4cyclictest0-21swapper/2707:40:5820
2962499211205,4cyclictest0-21swapper/2707:40:5720
2961499210194,12cyclictest0-21swapper/1711:00:129
2961499210194,12cyclictest0-21swapper/1711:00:129
2962099207200,5cyclictest20183-21sshd12:21:1816
2962099207200,5cyclictest20183-21sshd12:21:1716
2961599207199,5cyclictest0-21swapper/1811:25:1510
2961599207199,5cyclictest0-21swapper/1811:25:1510
2961499205198,5cyclictest0-21swapper/1709:20:359
2961499205198,5cyclictest0-21swapper/1709:20:349
2961499205198,5cyclictest0-21swapper/1709:20:349
2960099205200,4cyclictest0-21swapper/611:46:2036
2960099205200,4cyclictest0-21swapper/611:46:2036
2962099202194,4cyclictest37356-21CPU16
2962099202194,4cyclictest37356-21CPU16
2962099201188,10cyclictest0-21swapper/2308:45:2116
2960099201195,4cyclictest0-21swapper/608:14:4536
2960099201195,4cyclictest0-21swapper/608:14:4436
2962499200194,4cyclictest0-21swapper/2708:11:1220
2962499200194,4cyclictest0-21swapper/2708:11:1120
2962099200192,7cyclictest0-21swapper/2310:40:1616
2962099200192,7cyclictest0-21swapper/2310:40:1616
2962099200192,7cyclictest0-21swapper/2310:40:1516
2962099200189,8cyclictest0-21swapper/2310:00:1616
2962099200189,8cyclictest0-21swapper/2310:00:1516
2961499200184,12cyclictest0-21swapper/1709:25:199
2961499200184,12cyclictest0-21swapper/1709:25:199
2962099199191,6cyclictest0-21swapper/2310:39:4916
2962099199191,6cyclictest0-21swapper/2310:39:4916
2962099199191,6cyclictest0-21swapper/2310:39:4916
2962499198193,4cyclictest0-21swapper/2708:44:3420
2962499197191,4cyclictest0-21swapper/2707:40:0120
2962499197191,4cyclictest0-21swapper/2707:40:0120
2962099197189,5cyclictest2464-21CPU16
2962099197189,5cyclictest2464-21CPU16
2962499196191,4cyclictest0-21swapper/2708:03:3220
2962499196191,4cyclictest0-21swapper/2708:03:3120
2962099196192,3cyclictest17484-21nfsd08:50:4616
2962099196192,3cyclictest17484-21nfsd08:50:4616
2962099196191,4cyclictest0-21swapper/2312:38:4616
2962099196191,4cyclictest0-21swapper/2312:38:4616
2962099196191,4cyclictest0-21swapper/2312:38:4516
2962099196188,6cyclictest0-21swapper/2308:02:0916
2962099196188,6cyclictest0-21swapper/2308:02:0916
2962099196187,7cyclictest0-21swapper/2308:10:1416
2962099196187,7cyclictest0-21swapper/2308:10:1416
2962099195187,6cyclictest0-21swapper/2309:38:1616
2962099195187,6cyclictest0-21swapper/2309:38:1516
2962099195187,6cyclictest0-21swapper/2309:38:1516
2962099194185,8cyclictest0-21swapper/2311:11:5916
2962099194185,8cyclictest0-21swapper/2311:11:5816
2961499194186,6cyclictest0-21swapper/1711:47:259
2961499194186,6cyclictest0-21swapper/1711:47:259
2960499194168,21cyclictest0-21swapper/912:08:4439
2960499194168,21cyclictest0-21swapper/912:08:4439
2960499194168,21cyclictest0-21swapper/912:08:4339
2960099194189,4cyclictest0-21swapper/608:20:0736
2960099194189,4cyclictest0-21swapper/608:20:0736
2962099193185,5cyclictest0-21swapper/2312:11:0316
2962099193185,5cyclictest0-21swapper/2312:11:0216
2960899193183,8cyclictest0-21swapper/1308:40:025
2960899193183,8cyclictest0-21swapper/1308:40:015
2962099192186,5cyclictest0-21swapper/2308:25:4316
2962099192186,5cyclictest0-21swapper/2308:25:4216
2961499192186,4cyclictest0-21swapper/1711:36:279
2961499192186,4cyclictest0-21swapper/1711:36:279
2961499192185,5cyclictest0-21swapper/1711:15:169
2961499192185,5cyclictest0-21swapper/1711:15:169
2961499192185,5cyclictest0-21swapper/1709:54:519
2961499192185,5cyclictest0-21swapper/1709:54:509
2961499192185,5cyclictest0-21swapper/1709:54:509
2959699192166,20cyclictest0-21swapper/211:01:2412
2959699192166,20cyclictest0-21swapper/211:01:2312
2962099191181,8cyclictest27520-21bash12:26:0916
2962099191181,8cyclictest27520-21bash12:26:0816
2961499191185,4cyclictest0-21swapper/1712:28:089
2961499191185,4cyclictest0-21swapper/1712:28:089
2961499191184,5cyclictest0-21swapper/1708:40:129
2960199191182,7cyclictest0-21swapper/710:16:0037
2960199191182,7cyclictest0-21swapper/710:16:0037
2962099190183,5cyclictest21553-21sshd09:12:3016
2962099190183,5cyclictest21553-21sshd09:12:2916
2962099190182,7cyclictest0-21swapper/2307:58:4016
2962099190182,7cyclictest0-21swapper/2307:58:4016
2962099190179,9cyclictest13178-21latency_hist08:25:0316
2962099190179,9cyclictest13178-21latency_hist08:25:0316
2961499190183,5cyclictest0-21swapper/1712:20:029
2961499190183,5cyclictest0-21swapper/1712:20:019
2961499190183,5cyclictest0-21swapper/1712:20:019
2961499189183,4cyclictest0-21swapper/1711:33:139
2961499189183,4cyclictest0-21swapper/1711:33:129
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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