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2026-04-20 - 06:44
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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 rackcslot6.osadl.org (updated Mon Apr 20, 2026 00:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
206422099367366,1cyclictest0-21swapper/021:50:020
206422099360358,1cyclictest3537945-21kworker/0:221:35:010
206422099359358,1cyclictest0-21swapper/022:40:010
206422099359357,1cyclictest0-21swapper/023:47:020
206422099359357,1cyclictest0-21swapper/000:39:020
206422099357356,1cyclictest0-21swapper/023:15:010
206422099356355,1cyclictest3537945-21kworker/0:221:26:010
206422099356355,1cyclictest3537945-21kworker/0:221:18:020
206422099356355,1cyclictest0-21swapper/021:43:010
206422099356355,1cyclictest0-21swapper/000:03:010
206422099355354,1cyclictest2201782-21kworker/0:122:57:010
206422099355353,1cyclictest2351742-21kworker/0:200:19:010
206422099355353,1cyclictest0-21swapper/023:26:010
206422099355353,1cyclictest0-21swapper/023:22:010
206422099354353,1cyclictest2201782-21kworker/0:122:38:020
206422099354353,1cyclictest0-21swapper/020:00:020
206422099354353,1cyclictest0-21swapper/019:40:010
206422099354352,1cyclictest0-21swapper/019:30:020
206422099354352,1cyclictest0-21swapper/019:30:020
206422099353352,1cyclictest3537945-21kworker/0:221:11:020
206422099353352,1cyclictest0-21swapper/021:59:020
206422099353352,1cyclictest0-21swapper/020:20:020
206422099353352,1cyclictest0-21swapper/019:55:020
206422099353352,1cyclictest0-21swapper/019:20:010
206422099353352,1cyclictest0-21swapper/019:10:020
206422099353352,1cyclictest0-21swapper/000:20:030
206422099353350,2cyclictest2201782-21kworker/0:123:13:010
206422099352351,1cyclictest0-21swapper/023:04:010
206422099352351,1cyclictest0-21swapper/020:45:020
206422099352351,1cyclictest0-21swapper/000:26:030
206422099352350,1cyclictest2351742-21kworker/0:200:12:010
206422099352350,1cyclictest0-21swapper/022:17:020
206422099352349,2cyclictest2201782-21kworker/0:122:06:010
206422099351350,1cyclictest2201782-21kworker/0:122:28:020
206422099351350,1cyclictest2201782-21kworker/0:122:28:020
206422099351350,1cyclictest0-21swapper/022:31:010
206422099351350,1cyclictest0-21swapper/020:13:020
206422099350349,1cyclictest2201782-21kworker/0:123:31:020
206422099350349,1cyclictest0-21swapper/021:09:010
206422099350349,1cyclictest0-21swapper/020:27:020
206422099350349,1cyclictest0-21swapper/000:06:010
206422099350348,1cyclictest3537945-21kworker/0:219:25:010
206422099349348,1cyclictest3537945-21kworker/0:221:31:010
206422099349348,1cyclictest0-21swapper/019:16:010
206422099349347,1cyclictest3537945-21kworker/0:221:24:020
206422099349347,1cyclictest2201782-21kworker/0:123:51:010
206422099349347,1cyclictest0-21swapper/020:59:010
206422099348347,1cyclictest0-21swapper/020:41:010
206422099348347,1cyclictest0-21swapper/019:48:010
206422099348346,1cyclictest3537945-21kworker/0:220:15:020
206422099348346,1cyclictest3537945-21kworker/0:219:36:020
206422099348346,1cyclictest2201782-21kworker/0:122:22:010
206423999347345,1cyclictest0-21swapper/222:54:012
206422099347346,1cyclictest3537945-21kworker/0:220:35:010
206422099343341,1cyclictest3537945-21kworker/0:220:53:020
206423999334333,1cyclictest2058077-21kworker/2:121:16:012
206423999334333,1cyclictest0-21swapper/221:35:022
206423999332331,1cyclictest0-21swapper/200:30:022
206423999331329,1cyclictest0-21swapper/221:57:012
206423999330329,1cyclictest2148194-21kworker/2:022:24:022
206423999330328,1cyclictest0-21swapper/221:47:022
206423999329328,1cyclictest2302723-21kworker/2:200:07:022
206423999329327,1cyclictest0-21swapper/222:26:012
206423999329327,1cyclictest0-21swapper/222:26:012
206423999328327,1cyclictest0-21swapper/223:00:012
206423999328327,1cyclictest0-21swapper/222:14:022
206423999328326,1cyclictest0-21swapper/222:46:022
206423999327326,1cyclictest2148194-21kworker/2:021:44:022
206423999327326,1cyclictest0-21swapper/223:56:012
206423999327326,1cyclictest0-21swapper/223:38:022
206423999327326,1cyclictest0-21swapper/222:59:012
206423999327326,1cyclictest0-21swapper/219:50:022
206423999326325,1cyclictest0-21swapper/223:53:012
206423999326325,1cyclictest0-21swapper/223:30:022
206423999326325,1cyclictest0-21swapper/222:42:022
206423999326325,1cyclictest0-21swapper/222:16:022
206423999326325,1cyclictest0-21swapper/222:03:012
206423999326324,1cyclictest2148194-21kworker/2:023:27:022
206423999326324,1cyclictest0-21swapper/200:22:032
206423999325324,1cyclictest2148194-21kworker/2:021:28:022
206423999325324,1cyclictest0-21swapper/223:46:012
206423999325324,1cyclictest0-21swapper/221:23:012
206423999324323,1cyclictest0-21swapper/221:01:022
206423999324323,1cyclictest0-21swapper/220:56:012
206423999324323,1cyclictest0-21swapper/220:30:012
206423999324323,1cyclictest0-21swapper/220:23:012
206423999324323,1cyclictest0-21swapper/219:35:012
206423999324322,1cyclictest2148194-21kworker/2:022:36:012
206423999323322,1cyclictest2148194-21kworker/2:023:24:022
206423999323322,1cyclictest2058077-21kworker/2:120:50:012
206423999323322,1cyclictest0-21swapper/220:14:022
206423999323322,1cyclictest0-21swapper/219:45:022
206423999323321,1cyclictest0-21swapper/220:05:022
206423999323321,1cyclictest0-21swapper/219:44:022
206423999322321,1cyclictest2302723-21kworker/2:200:13:022
206423999322321,1cyclictest2148194-21kworker/2:021:30:022
206423999322321,1cyclictest2058077-21kworker/2:121:14:022
206423999322321,1cyclictest0-21swapper/219:31:022
206423999322321,1cyclictest0-21swapper/219:31:012
206423999322320,1cyclictest0-21swapper/220:46:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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