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2025-11-30 - 10:03
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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 rack0slot4.osadl.org (updated Sun Nov 30, 2025 00:46:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11320842368322,15sleep140-21swapper/1419:06:136
11320442361318,14sleep150-21swapper/1519:05:427
11321352360316,14sleep100-21swapper/1019:06:572
11320542357347,6sleep80-21swapper/819:05:5114
11322802356312,14sleep130-21swapper/1319:08:535
11323322354311,34sleep60-21swapper/619:09:3412
11323092353309,14sleep20-21swapper/219:09:138
11321342353312,32sleep90-21swapper/919:06:5615
11322312349339,7sleep10-21swapper/119:08:091
11322952342320,14sleep110-21swapper/1119:09:073
11322912342319,15sleep70-21swapper/719:09:0313
11322352342318,15sleep50-21swapper/519:08:1311
11321282342318,15sleep30-21swapper/319:06:509
11320592341319,14sleep120-21swapper/1219:05:554
11321072337313,15sleep00-21swapper/019:06:310
11322532336314,14sleep40-21swapper/419:08:2810
113282399284283,1cyclictest0-21swapper/1323:45:195
113280799246245,1cyclictest1393066-21nodev-device-ev00:10:1814
113280799233232,1cyclictest1388807-21nodev-device-ev00:05:1914
1132816992270,226cyclictest1371449-21daemon-init23:45:193
113278199211211,0cyclictest0-21swapper/000:10:180
113278199198198,0cyclictest0-21swapper/000:05:190
113281699193192,1cyclictest1268888-21nodev-device-ev21:45:193
113279799143142,1cyclictest1371479-21nodev-device-ev23:45:1911
113279199128128,0cyclictest0-21swapper/321:45:199
1132785991020,1cyclictest0-21swapper/100:25:201
1132785991020,1cyclictest0-21swapper/100:25:201
1132787998988,1cyclictest0-21swapper/220:25:198
1132815998786,1cyclictest1200502-21nodev-device-ev20:25:192
1132785998281,1cyclictest0-21swapper/119:55:191
1132787997978,1cyclictest1247532-21nodev-device-ev21:20:198
1132787997978,1cyclictest1247532-21nodev-device-ev21:20:198
1132815997776,1cyclictest0-21swapper/1021:20:192
1132815997776,1cyclictest0-21swapper/1021:20:192
1132795997675,1cyclictest1362927-21nodev-device-ev23:35:1710
1132795997473,1cyclictest1401613-21nodev-device-ev00:20:1810
1132781996968,1cyclictest1149187-21nodev-device-ev19:25:180
1132795996766,1cyclictest0-21swapper/400:35:1910
1132795996766,1cyclictest0-21swapper/400:35:1910
1132823996662,1cyclictest1234708-21nodev-device-ev21:05:215
1132807996463,1cyclictest1337299-21nodev-device-ev23:05:1814
1132807996362,1cyclictest0-21swapper/819:15:0014
1132801996059,1cyclictest1162025-21nodev-device-ev19:40:1912
1132816995755,1cyclictest1286005-21nodev-device-ev22:05:203
1132797995756,1cyclictest0-21swapper/520:30:2011
1132781995756,1cyclictest1221855-21nodev-device-ev20:50:180
1132826994645,1cyclictest1380027-21nodev-device-ev23:55:186
1132787994645,1cyclictest0-21swapper/219:35:208
1132801994544,1cyclictest1324462-21nodev-device-ev22:50:1912
1132815994443,1cyclictest1157736-21nodev-device-ev19:35:202
1132795993333,0cyclictest0-21swapper/421:00:2110
1132805993231,1cyclictest1230404-21nodev-device-ev21:00:2013
113281699300,27cyclictest0-21swapper/1119:39:593
1132795993030,0cyclictest0-21swapper/419:35:4910
1132781993029,1cyclictest0-21swapper/023:05:180
113278199300,29cyclictest0-21swapper/021:20:090
113278199300,29cyclictest0-21swapper/021:20:090
113281699295,13cyclictest0-21swapper/1121:05:073
113281699295,13cyclictest0-21swapper/1119:48:143
1132816992927,1cyclictest2055-21snmpd22:01:433
1132816992925,3cyclictest2055-21snmpd21:18:203
1132816992925,3cyclictest2055-21snmpd21:18:203
1132816992923,3cyclictest0-21swapper/1119:17:153
113281699290,27cyclictest0-21swapper/1122:30:333
113281699290,27cyclictest0-21swapper/1119:59:353
113281699290,26cyclictest0-21swapper/1123:07:333
113281699290,26cyclictest0-21swapper/1120:24:223
113281699290,26cyclictest0-21swapper/1120:03:213
113280599294,21cyclictest0-21swapper/721:30:1313
1132805992927,1cyclictest2055-21snmpd20:32:0513
1132795992928,1cyclictest1179143-21kworker/u32:0+flush-259:021:40:2110
1132781992928,1cyclictest1137963-21nodev-device-ev19:15:010
113278199290,28cyclictest0-21swapper/000:25:110
113278199290,28cyclictest0-21swapper/000:25:110
1132831992827,1cyclictest2055-21snmpd00:05:147
1132831992827,1cyclictest0-21swapper/1500:10:387
113283199280,27cyclictest0-21swapper/1523:17:177
113282699280,27cyclictest0-21swapper/1423:18:276
113282699280,27cyclictest0-21swapper/1421:16:236
113282699280,27cyclictest0-21swapper/1421:16:236
113282699280,27cyclictest0-21swapper/1420:15:586
113282699280,27cyclictest0-21swapper/1400:21:376
1132821992827,1cyclictest0-21swapper/1223:35:174
1132816992823,3cyclictest0-21swapper/1120:41:273
1132816992823,3cyclictest0-21swapper/1100:01:113
1132816992823,2cyclictest0-21swapper/1122:24:473
1132816992823,2cyclictest0-21swapper/1121:00:313
113281699280,27cyclictest0-21swapper/1120:58:443
113281699280,26cyclictest0-21swapper/1123:51:513
113281699280,26cyclictest0-21swapper/1123:30:253
113281699280,26cyclictest0-21swapper/1120:51:313
113281699280,26cyclictest0-21swapper/1119:50:473
113281699280,26cyclictest0-21swapper/1100:26:233
113281699280,26cyclictest0-21swapper/1100:26:233
1132815992827,1cyclictest2055-21snmpd23:01:272
113281199280,27cyclictest0-21swapper/919:18:4715
1132807992827,1cyclictest2055-21snmpd23:47:4514
113280799280,27cyclictest0-21swapper/820:40:5014
1132805992827,1cyclictest2055-21snmpd00:11:2513
1132805992826,1cyclictest2055-21snmpd21:08:4413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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