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2025-12-01 - 13:17
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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 Mon Dec 01, 2025 00:46:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13065142413392,13sleep20-21swapper/219:09:538
13062822364356,5sleep150-21swapper/1519:07:097
13029282360314,14sleep100-21swapper/1019:05:112
13062552357313,15sleep110-21swapper/1119:06:483
13064972356312,15sleep80-21swapper/819:09:4314
13062162356312,14sleep90-21swapper/919:06:1415
13054892349340,6sleep120-21swapper/1219:05:294
13063132345322,15sleep70-21swapper/719:07:3313
13063282344322,14sleep50-21swapper/519:07:4711
13062632344320,16sleep130-21swapper/1319:06:505
13064922343320,15sleep30-21swapper/319:09:389
13063122342319,15sleep60-21swapper/619:07:3212
13064062341319,14sleep40-21swapper/419:08:3410
13064722340318,14sleep10-21swapper/119:09:201
13063202339316,15sleep140-21swapper/1419:07:406
13061822334325,6sleep00-21swapper/019:05:490
130692499171171,0cyclictest0-21swapper/923:50:1915
130689699166165,1cyclictest1550076-21nodev-device-ev23:50:191
130692499156155,1cyclictest1370362-21nodev-device-ev20:20:2015
130690699153152,1cyclictest1545814-21nodev-device-ev23:45:1810
130689699150149,1cyclictest0-21swapper/120:20:201
130693299131131,0cyclictest0-21swapper/1223:45:184
1306924991010,100cyclictest0-21swapper/923:05:2015
130692099980,98cyclictest0-21swapper/821:15:2014
1306896999795,1cyclictest1511618-21nodev-device-ev23:05:201
1306926999190,1cyclictest1585365-21nodev-device-ev00:35:202
1306926999190,1cyclictest1585365-21nodev-device-ev00:35:202
1306900998988,1cyclictest1409014-21nodev-device-ev21:05:208
1306935998786,1cyclictest0-21swapper/1319:30:195
1306920998786,1cyclictest1524450-21nodev-device-ev23:20:1814
1306942998685,1cyclictest0-21swapper/1519:45:177
1306916998483,1cyclictest0-21swapper/723:35:1913
1306935998382,1cyclictest1460337-21nodev-device-ev22:05:195
1306904998281,1cyclictest0-21swapper/323:25:189
1306942997372,1cyclictest1396183-21nodev-device-ev20:50:207
1306926997170,1cyclictest1311711-21nodev-device-ev19:15:002
1306930997069,1cyclictest1520135-21daemon-init23:15:183
1306904996867,1cyclictest0-21swapper/321:10:189
1306942996766,1cyclictest1344698-21nodev-device-ev19:50:207
1306930996464,0cyclictest0-21swapper/1119:20:213
1306904996463,1cyclictest0-21swapper/321:40:189
1306926996059,1cyclictest0-21swapper/1021:05:202
1306942995958,1cyclictest1485948-21nodev-device-ev22:35:217
1306930995958,1cyclictest1503043-21nodev-device-ev22:55:183
1306924995453,1cyclictest0-21swapper/920:10:2015
1306906995150,1cyclictest1348981-21nodev-device-ev19:55:1710
1306916995049,1cyclictest0-21swapper/720:25:1913
1306900995049,1cyclictest1443212-21nodev-device-ev21:45:188
1306896994847,1cyclictest1361816-21nodev-device-ev20:10:201
1306930994721,12cyclictest201rcu_preempt00:30:273
130693099437,11cyclictest123-21ksoftirqd/1120:52:583
1306930994321,17cyclictest1430394-21kworker/11:1-events22:25:223
1306904994342,1cyclictest1532975-21nodev-device-ev23:30:179
1306930994239,3cyclictest0-21swapper/1100:35:213
1306930994239,3cyclictest0-21swapper/1100:35:213
1306930994238,4cyclictest0-21swapper/1120:43:463
1306930994238,0cyclictest0-21swapper/1120:00:243
1306930994234,4cyclictest1551591-21kworker/11:2-events00:15:143
1306930994226,12cyclictest1430394-21kworker/11:1-events22:10:183
1306930994137,4cyclictest0-21swapper/1121:34:563
1306930994137,4cyclictest0-21swapper/1121:34:563
1306930994037,3cyclictest0-21swapper/1122:20:253
1306930994037,3cyclictest0-21swapper/1122:00:243
1306930994036,4cyclictest0-21swapper/1121:59:203
1306930994032,4cyclictest0-21swapper/1121:00:183
1306930994024,12cyclictest0-21swapper/1121:50:243
130693099400,36cyclictest1551591-21kworker/11:2+mm_percpu_wq00:10:163
1306930993935,0cyclictest0-21swapper/1120:55:203
1306930993935,0cyclictest0-21swapper/1119:55:143
1306930993931,4cyclictest1235795-21kworker/11:1-events19:50:243
1306930993923,12cyclictest1551591-21kworker/11:2+mm_percpu_wq00:25:203
130693099390,35cyclictest1345891-21kworker/11:2+mm_percpu_wq20:20:243
1306942993837,1cyclictest0-21swapper/1523:00:187
1306930993835,3cyclictest0-21swapper/1120:45:283
1306930993834,4cyclictest0-21swapper/1121:35:203
1306930993834,4cyclictest0-21swapper/1121:35:203
1306930993834,0cyclictest0-21swapper/1122:50:243
1306930993830,4cyclictest1235795-21kworker/11:1-events19:29:283
1306930993818,20cyclictest1401653-21kworker/u32:1+events_unbound21:18:423
1306930993733,4cyclictest1345891-21kworker/11:2-mm_percpu_wq20:35:543
1306930993733,4cyclictest0-21swapper/1121:05:203
1306930993733,4cyclictest0-21swapper/1120:16:483
1306930993733,0cyclictest0-21swapper/1123:20:003
1306930993729,4cyclictest0-21swapper/1122:05:283
1306930993632,4cyclictest0-21swapper/1123:35:203
1306930993632,4cyclictest0-21swapper/1123:14:003
1306930993627,5cyclictest0-21swapper/1123:29:303
1306930993624,12cyclictest0-21swapper/1119:45:203
1306930993620,12cyclictest0-21swapper/1100:20:243
1306930993616,2cyclictest0-21swapper/1120:32:163
130693099361,0cyclictest1430394-21kworker/11:1-events23:40:163
1306930993531,4cyclictest0-21swapper/1122:32:023
1306930993531,4cyclictest0-21swapper/1120:06:563
1306930993531,4cyclictest0-21swapper/1119:18:323
1306930993531,4cyclictest0-21swapper/1119:10:243
1306930993527,4cyclictest1430394-21kworker/11:1+mm_percpu_wq23:33:203
1306930993527,4cyclictest1235795-21kworker/11:1-events19:35:303
1306930993519,12cyclictest0-21swapper/1119:33:143
1306930993518,17cyclictest0-21swapper/1100:05:283
1306930993514,17cyclictest0-21swapper/1123:55:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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