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2026-06-13 - 12:59
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot7.osadl.org (updated Sat Jun 13, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40938599911861,38cyclictest12771-21sshd22:34:294
4093857999595,0cyclictest0-21swapper/219:25:122
4093861997414,20cyclictest0-21swapper/600:25:156
4093859997213,40cyclictest4231-21taskset22:18:164
4093859997133,19cyclictest4190565-21cstates22:05:124
4093859997113,39cyclictest4109405-21ntpq19:35:204
4093859997111,21cyclictest792-21rs:main4
4093859996910,59cyclictest3443057-21systemd-journal23:58:284
4093859996910,19cyclictest0-21swapper/422:37:184
4093859996910,19cyclictest0-21swapper/422:37:184
4093859996830,38cyclictest601ktimers/422:12:124
4093859996830,19cyclictest1774324-21munin-node21:30:484
4093859996829,19cyclictest0-21swapper/423:04:284
4093859996729,38cyclictest0-21swapper/423:49:244
409385999657,39cyclictest4160211-21awk21:10:134
409385999656,1cyclictest0-21swapper/420:00:224
4093855996527,38cyclictest0-21swapper/000:30:150
4093859996425,39cyclictest0-21swapper/423:16:244
4093859996324,39cyclictest0-21swapper/400:13:284
409385999624,0cyclictest0-21swapper/421:09:264
4093859996223,39cyclictest0-21swapper/419:54:124
4093859996122,39cyclictest0-21swapper/423:34:084
409385999612,19cyclictest0-21swapper/419:56:024
409385999602,19cyclictest0-21swapper/421:24:544
409385999602,0cyclictest0-21swapper/422:58:424
409385999602,0cyclictest0-21swapper/420:44:144
409385999601,39cyclictest0-21swapper/421:56:484
409386199590,19cyclictest0-21swapper/600:20:156
4093859995920,39cyclictest0-21swapper/419:14:324
409385999591,0cyclictest0-21swapper/423:35:544
409385999591,0cyclictest0-21swapper/422:03:384
409385999590,19cyclictest0-21swapper/422:43:264
409385999590,19cyclictest0-21swapper/422:43:264
409385999590,19cyclictest0-21swapper/420:23:264
409385999580,58cyclictest0-21swapper/421:02:024
409385999580,39cyclictest1086-21runrttasks21:28:264
4093859995717,19cyclictest4148945-21munin-plugin-st20:50:034
4093859995618,19cyclictest4108023-21munin-run19:35:024
4093859995616,19cyclictest4140757-21munin-run20:35:024
4093859995616,18cyclictest8605-21meminfo22:25:184
4093859995515,39cyclictest0-21swapper/419:47:284
4093857995536,19cyclictest0-21swapper/223:55:172
4093859995419,34cyclictest0-21swapper/422:50:324
4093859995419,15cyclictest0-21swapper/419:25:004
4093859995414,19cyclictest4113491-21munin-run19:45:024
4093859995413,0cyclictest0-21swapper/400:00:274
4093861995315,19cyclictest0-21swapper/621:15:166
4093859995333,19cyclictest0-21swapper/420:53:404
4093859995319,34cyclictest0-21swapper/422:47:004
4093859995319,34cyclictest0-21swapper/420:25:084
4093859995319,34cyclictest0-21swapper/400:37:214
4093859995319,34cyclictest0-21swapper/400:27:164
4093859995319,15cyclictest0-21swapper/421:50:364
4093859995314,39cyclictest0-21swapper/423:27:174
4093859995314,39cyclictest0-21swapper/423:21:164
4093859995314,39cyclictest0-21swapper/421:40:564
4093859995314,39cyclictest0-21swapper/420:56:164
4093859995314,39cyclictest0-21swapper/420:36:004
4093859995314,39cyclictest0-21swapper/420:08:284
4093859995314,39cyclictest0-21swapper/400:30:084
4093859995314,19cyclictest4105311-21cat19:30:034
4093859995314,0cyclictest0-21swapper/423:05:024
4093859995314,0cyclictest0-21swapper/422:20:144
4093859995312,19cyclictest0-21swapper/400:15:184
4093859995233,19cyclictest0-21swapper/423:14:204
4093859995233,19cyclictest0-21swapper/421:19:284
4093859995233,18cyclictest0-21swapper/423:52:324
4093859995232,19cyclictest0-21swapper/420:13:444
4093859995219,14cyclictest0-21swapper/421:38:044
4093859995218,15cyclictest0-21swapper/421:47:324
4093859995213,0cyclictest4131090-21strings20:15:184
4093855995214,19cyclictest0-21swapper/021:55:160
4093861995112,19cyclictest0-21swapper/600:15:176
4093859995133,18cyclictest0-21swapper/400:21:044
4093859995132,19cyclictest0-21swapper/400:08:244
4093859995112,39cyclictest0-21swapper/423:43:364
4093855995031,19cyclictest0-21swapper/019:30:150
4093855995012,19cyclictest0-21swapper/000:05:190
4093861994910,19cyclictest0-21swapper/622:50:156
4093861994810,19cyclictest0-21swapper/620:30:166
409385599479,19cyclictest0-21swapper/020:05:160
409385599467,39cyclictest0-21swapper/023:55:160
409386199444,39cyclictest0-21swapper/623:15:146
409385599445,39cyclictest0-21swapper/020:15:140
409386199423,39cyclictest0-21swapper/600:30:156
4093858993914,19cyclictest0-21swapper/323:45:143
409385899390,19cyclictest0-21swapper/323:02:503
409385899390,15cyclictest0-21swapper/319:50:153
4093857993921,18cyclictest0-21swapper/222:00:152
409385799391,19cyclictest0-21swapper/200:00:182
409385799390,39cyclictest0-21swapper/219:35:152
409386299380,38cyclictest0-21swapper/700:20:157
409386199380,19cyclictest0-21swapper/623:55:166
4093858993819,19cyclictest4093854-21cyclictest00:00:183
4093858993813,19cyclictest0-21swapper/321:10:143
4093855993820,18cyclictest0-21swapper/019:55:160
409385599380,19cyclictest0-21swapper/022:55:150
4093858993713,19cyclictest0-21swapper/322:50:163
409386199360,35cyclictest0-21swapper/620:25:146
4093861993514,20cyclictest0-21swapper/621:00:156
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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