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2026-04-09 - 03:06
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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 Apr 09, 2026 01:01:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1962099237222,12cyclictest0-21swapper/1722:30:209
1962099237222,12cyclictest0-21swapper/1722:30:209
1962099229221,5cyclictest0-21swapper/1700:22:199
1962099229221,5cyclictest0-21swapper/1700:22:199
1962099217211,4cyclictest0-21swapper/1700:00:199
1962099217211,4cyclictest0-21swapper/1700:00:199
1962099211206,4cyclictest0-21swapper/1721:21:289
1962099211206,4cyclictest0-21swapper/1721:21:289
1962099211186,18cyclictest0-21swapper/1723:35:229
1962099211186,18cyclictest0-21swapper/1723:35:229
1962099208188,18cyclictest1-21systemd21:40:269
1962099208188,18cyclictest1-21systemd21:40:269
1962099208188,18cyclictest1-21systemd21:40:269
1962099207200,5cyclictest27688-21systemd-cgroups22:52:019
1962099207200,5cyclictest27688-21systemd-cgroups22:52:019
1962099207200,5cyclictest20874-21sh23:32:179
1962099207200,5cyclictest20874-21sh23:32:179
1962099205200,4cyclictest0-21swapper/1700:25:479
1962099205200,4cyclictest0-21swapper/1700:25:479
1962099205200,4cyclictest0-21swapper/1700:25:479
1962099203190,3cyclictest0-21swapper/1721:30:469
1962099203190,3cyclictest0-21swapper/1721:30:469
1962099202190,10cyclictest0-21swapper/1722:05:559
1962099202190,10cyclictest0-21swapper/1722:05:559
1962099202190,10cyclictest0-21swapper/1722:05:559
1962099201194,6cyclictest0-21swapper/1721:59:449
1962099201194,6cyclictest0-21swapper/1721:59:449
1962099200191,4cyclictest3543-21CPU9
1962099200191,4cyclictest3543-21CPU9
1962099200188,7cyclictest0-21swapper/1723:51:469
1962099200188,7cyclictest0-21swapper/1723:51:469
1962099200183,14cyclictest0-21swapper/1700:30:209
1962099200183,14cyclictest0-21swapper/1700:30:209
1962099199190,6cyclictest0-21swapper/1722:15:209
1962099199190,6cyclictest0-21swapper/1722:15:209
1962099199190,6cyclictest0-21swapper/1722:15:209
1962099199190,5cyclictest37353-21CPU9
1962099199190,5cyclictest37353-21CPU9
1962099199183,14cyclictest0-21swapper/1721:14:129
1962099199183,14cyclictest0-21swapper/1721:14:129
1962099199183,14cyclictest0-21swapper/1721:14:129
1962099199183,10cyclictest0-21swapper/1723:46:009
1962099199183,10cyclictest0-21swapper/1723:46:009
1962099198193,4cyclictest0-21swapper/1722:26:289
1962099198193,4cyclictest0-21swapper/1722:26:289
1962099197191,4cyclictest0-21swapper/1722:35:229
1962099197191,4cyclictest0-21swapper/1722:35:219
1962099197189,6cyclictest0-21swapper/1723:57:279
1962099197189,6cyclictest0-21swapper/1723:57:279
1962099197189,6cyclictest0-21swapper/1723:57:279
1962099197187,8cyclictest0-21swapper/1723:07:059
1962099197187,8cyclictest0-21swapper/1723:07:059
1962099196187,5cyclictest0-21swapper/1721:50:219
1962099196187,5cyclictest0-21swapper/1721:50:219
1962099196178,11cyclictest0-21swapper/1721:19:249
1962099196178,11cyclictest0-21swapper/1721:19:249
1962099196177,13cyclictest0-21swapper/1721:37:279
1962099196177,13cyclictest0-21swapper/1721:37:279
1962099196177,13cyclictest0-21swapper/1721:37:279
1962099195178,14cyclictest0-21swapper/1723:20:489
1962099195178,14cyclictest0-21swapper/1723:20:489
1962099195178,14cyclictest0-21swapper/1723:20:489
1962099194185,4cyclictest24109-21sshd00:17:149
1962099194185,4cyclictest24109-21sshd00:17:149
1962099194182,5cyclictest3543-21CPU9
1962099194182,5cyclictest3543-21CPU9
196359919374,100cyclictest0-21swapper/3222:25:2126
196359919374,100cyclictest0-21swapper/3222:25:2126
1962099192185,6cyclictest0-21swapper/1700:08:129
1962099192185,6cyclictest0-21swapper/1700:08:129
1962099192185,6cyclictest0-21swapper/1700:08:129
1962099192169,14cyclictest0-21swapper/1722:21:229
1962099192169,14cyclictest0-21swapper/1722:21:229
1962099191179,10cyclictest0-21swapper/1722:00:199
1962099191179,10cyclictest0-21swapper/1722:00:199
1962099190179,9cyclictest32501-21sshd21:47:439
1962099190179,9cyclictest32501-21sshd21:47:439
1962099190171,10cyclictest0-21swapper/1723:26:539
1962099190171,10cyclictest0-21swapper/1723:26:539
1962099189183,4cyclictest0-21swapper/1723:43:599
1962099189183,4cyclictest0-21swapper/1723:43:599
1962199188109,70cyclictest0-21swapper/1800:06:3210
1962199188109,70cyclictest0-21swapper/1800:06:3210
1962199188109,70cyclictest0-21swapper/1800:06:3110
1962099188176,7cyclictest0-21swapper/1722:41:119
1962099188176,7cyclictest0-21swapper/1722:41:119
1960699188139,26cyclictest0-21swapper/521:43:2535
1960699188139,26cyclictest0-21swapper/521:43:2535
1960699188139,26cyclictest0-21swapper/521:43:2535
1962099187176,8cyclictest0-21swapper/1722:49:449
1962099187176,8cyclictest0-21swapper/1722:49:449
1962099187176,8cyclictest0-21swapper/1722:49:449
1962099187172,12cyclictest0-21swapper/1722:10:199
1962099187172,12cyclictest0-21swapper/1722:10:199
1962099187171,9cyclictest0-21swapper/1700:38:279
1962099187171,9cyclictest0-21swapper/1700:38:279
1962199186170,14cyclictest0-21swapper/1819:25:3510
1962199186165,12cyclictest0-21swapper/1819:55:1210
19608991862,176cyclictest37353-21CPU37
19608991862,176cyclictest37353-21CPU37
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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