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2026-07-06 - 03:33
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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 50 highest latencies:
System rackdslot0.osadl.org (updated Mon Jul 06, 2026 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12941992726,0cyclictest0-21swapper/200:10:162
1293999263,18cyclictest0-21swapper/019:35:010
1294199230,22cyclictest843-21systemd-network23:29:492
1294099230,18cyclictest30055-21sed19:40:001
12941992212,0cyclictest0-21swapper/220:25:162
1294199220,18cyclictest0-21swapper/221:00:152
1293999220,21cyclictest843-21systemd-network22:51:430
12941992119,1cyclictest4844-21perf00:40:002
12941992117,3cyclictest0-21swapper/222:10:562
12940992117,3cyclictest0-21swapper/122:40:011
12941992016,3cyclictest0-21swapper/222:27:222
12941992016,3cyclictest0-21swapper/220:35:332
12941992014,3cyclictest0-21swapper/200:04:372
1294199200,18cyclictest4035-21H222:10:212
12939992020,0cyclictest0-21swapper/021:09:380
12939992017,2cyclictest4099-21H222:10:210
12941991917,1cyclictest16054-21cpuspeed_turbos19:15:122
12941991917,1cyclictest0-21swapper/200:25:172
12941991916,2cyclictest9144-21cut20:55:162
12941991915,3cyclictest0-21swapper/220:06:252
1294199190,2cyclictest21452-21cat21:20:012
1294199190,2cyclictest21452-21cat21:20:002
1294199190,0cyclictest0-21swapper/221:20:172
12940991916,2cyclictest6033-21cut23:44:591
1294099190,17cyclictest0-21swapper/120:00:481
1294099190,16cyclictest3979-21H222:10:211
1293999192,16cyclictest12448-21wc21:00:230
1293999191,15cyclictest3979-21H222:10:210
1293999190,18cyclictest843-21systemd-network21:23:060
1293999190,16cyclictest4099-21H222:10:210
1294199182,1cyclictest0-21swapper/220:34:192
1294199182,1cyclictest0-21swapper/200:00:002
1294199182,15cyclictest31950irq/134-nvme0q322:40:012
1294199182,15cyclictest28-21ksoftirqd/222:42:472
1294199182,15cyclictest239102chrt19:26:412
1294199182,15cyclictest16226-21cpuspeed_turbos23:05:132
1294199182,15cyclictest15550-21chrt19:14:552
1294199182,15cyclictest10611-21latency20:00:182
1294199182,15cyclictest0-21swapper/220:40:532
12941991816,1cyclictest0-21swapper/220:11:142
12941991816,1cyclictest0-21swapper/200:24:152
12941991816,1cyclictest0-21swapper/200:20:002
12941991815,2cyclictest21364-21chrt19:24:012
12941991815,1cyclictest0-21swapper/223:40:092
12941991815,1cyclictest0-21swapper/221:50:062
12941991814,3cyclictest3989-21H222:10:212
12941991814,3cyclictest0-21swapper/223:39:382
12941991813,4cyclictest0-21swapper/219:35:162
1294199181,16cyclictest31823-21grep00:30:122
1294199181,15cyclictest3981-21H222:10:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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