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2026-08-10 - 23:40
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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 rack1slot1.osadl.org (updated Mon Aug 10, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
275812203170,21sleep20-21swapper/207:06:172
277172201161,25sleep00-21swapper/007:08:040
276022201162,26sleep30-21swapper/307:06:343
276832199161,25sleep10-21swapper/107:07:371
116382690,0sleep20-21swapper/207:40:142
44372260,1sleep24441-21tail07:25:162
27961992019,1cyclictest35-21ksoftirqd/311:05:113
27961991918,1cyclictest35-21ksoftirqd/310:30:163
269982190,0sleep00-21swapper/012:20:150
27961991818,0cyclictest35-21ksoftirqd/310:18:123
27961991818,0cyclictest35-21ksoftirqd/309:49:333
27961991818,0cyclictest35-21ksoftirqd/309:49:333
27961991811,7cyclictest35-21ksoftirqd/311:20:013
27961991717,0cyclictest35-21ksoftirqd/311:43:013
27961991717,0cyclictest35-21ksoftirqd/310:13:133
27961991714,3cyclictest35-21ksoftirqd/312:35:013
2796199168,8cyclictest35-21ksoftirqd/310:00:183
27961991614,1cyclictest35-21ksoftirqd/309:00:173
27961991515,0cyclictest35-21ksoftirqd/311:21:373
27961991515,0cyclictest35-21ksoftirqd/311:02:463
27961991414,0cyclictest35-21ksoftirqd/312:19:053
27961991414,0cyclictest35-21ksoftirqd/311:33:223
27961991414,0cyclictest35-21ksoftirqd/310:43:163
27961991414,0cyclictest35-21ksoftirqd/310:05:143
27961991413,1cyclictest35-21ksoftirqd/307:10:123
27961991313,0cyclictest35-21ksoftirqd/312:35:143
27961991313,0cyclictest35-21ksoftirqd/312:13:053
27961991313,0cyclictest35-21ksoftirqd/312:09:323
27961991313,0cyclictest35-21ksoftirqd/311:28:503
27961991313,0cyclictest35-21ksoftirqd/310:37:253
27961991313,0cyclictest35-21ksoftirqd/309:50:333
27961991313,0cyclictest35-21ksoftirqd/309:25:273
27961991313,0cyclictest35-21ksoftirqd/309:20:543
27961991312,1cyclictest35-21ksoftirqd/308:30:003
27961991311,1cyclictest35-21ksoftirqd/311:55:223
27961991311,1cyclictest35-21ksoftirqd/310:30:003
27961991311,1cyclictest35-21ksoftirqd/307:15:003
27956991311,1cyclictest28-21ksoftirqd/211:15:012
27951991313,0cyclictest0-21swapper/112:20:161
27961991212,0cyclictest35-21ksoftirqd/311:45:273
27961991212,0cyclictest35-21ksoftirqd/311:35:213
27961991212,0cyclictest35-21ksoftirqd/310:50:123
27961991212,0cyclictest35-21ksoftirqd/310:20:163
27961991212,0cyclictest35-21ksoftirqd/309:55:033
27961991212,0cyclictest35-21ksoftirqd/308:54:373
27961991212,0cyclictest35-21ksoftirqd/308:00:123
27961991211,1cyclictest35-21ksoftirqd/309:40:003
27961991211,1cyclictest35-21ksoftirqd/309:30:193
27961991211,1cyclictest35-21ksoftirqd/308:40:003
27961991211,1cyclictest35-21ksoftirqd/307:55:003
27961991210,1cyclictest35-21ksoftirqd/310:55:133
27961991210,1cyclictest35-21ksoftirqd/310:45:223
27961991210,1cyclictest35-21ksoftirqd/309:40:113
27961991210,1cyclictest35-21ksoftirqd/309:15:153
27961991210,1cyclictest35-21ksoftirqd/309:10:143
27961991210,1cyclictest35-21ksoftirqd/309:00:003
27961991210,1cyclictest35-21ksoftirqd/308:30:153
27961991210,1cyclictest35-21ksoftirqd/308:20:133
27961991210,1cyclictest35-21ksoftirqd/308:20:003
27961991210,1cyclictest35-21ksoftirqd/308:10:213
27961991210,1cyclictest35-21ksoftirqd/307:40:003
27956991212,0cyclictest28-21ksoftirqd/212:00:122
27956991211,1cyclictest28-21ksoftirqd/212:10:212
27956991210,1cyclictest28-21ksoftirqd/212:20:142
27956991210,1cyclictest28-21ksoftirqd/210:05:192
27956991210,1cyclictest28-21ksoftirqd/209:30:162
2794099120,12cyclictest0-21swapper/011:30:120
2796199119,1cyclictest35-21ksoftirqd/311:50:143
2796199119,1cyclictest35-21ksoftirqd/309:05:113
2796199119,1cyclictest35-21ksoftirqd/308:45:123
2796199119,1cyclictest35-21ksoftirqd/308:40:143
2796199119,1cyclictest35-21ksoftirqd/308:00:013
2796199119,1cyclictest35-21ksoftirqd/307:30:183
2796199119,1cyclictest35-21ksoftirqd/307:25:173
27961991111,0cyclictest35-21ksoftirqd/311:10:093
27961991111,0cyclictest35-21ksoftirqd/308:05:183
27961991110,1cyclictest35-21ksoftirqd/312:25:153
27961991110,1cyclictest35-21ksoftirqd/312:20:203
27961991110,1cyclictest35-21ksoftirqd/312:00:003
27961991110,1cyclictest35-21ksoftirqd/307:45:183
27961991110,1cyclictest35-21ksoftirqd/307:40:153
27961991110,1cyclictest35-21ksoftirqd/307:20:203
2795699119,1cyclictest28-21ksoftirqd/211:25:132
2795699119,1cyclictest28-21ksoftirqd/211:05:182
2795699119,1cyclictest28-21ksoftirqd/210:25:152
2795699119,1cyclictest28-21ksoftirqd/209:55:152
27956991110,1cyclictest28-21ksoftirqd/211:55:202
27956991110,1cyclictest28-21ksoftirqd/210:45:212
27956991110,1cyclictest28-21ksoftirqd/209:35:132
2795699110,1cyclictest0-21swapper/207:45:102
2794099113,4cyclictest5886-21perf07:30:010
2794099112,4cyclictest20084-21perf08:00:000
2795699109,1cyclictest28-21ksoftirqd/212:25:152
2795699109,1cyclictest28-21ksoftirqd/211:50:182
2795699109,1cyclictest28-21ksoftirqd/211:45:012
2795699109,1cyclictest28-21ksoftirqd/211:15:122
2795699109,1cyclictest28-21ksoftirqd/211:00:142
2795699109,1cyclictest28-21ksoftirqd/210:50:202
2795699109,1cyclictest28-21ksoftirqd/210:41:482
2795699109,1cyclictest28-21ksoftirqd/209:50:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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