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2026-03-10 - 15:02
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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 Tue Mar 10, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
177932204153,25sleep30-21swapper/307:05:023
198102201162,26sleep20-21swapper/207:08:422
197192201165,23sleep00-21swapper/007:07:320
198762200161,26sleep10-21swapper/107:09:341
20022991816,1cyclictest35-21ksoftirqd/311:40:203
20022991716,1cyclictest35-21ksoftirqd/311:05:003
20022991716,1cyclictest35-21ksoftirqd/310:15:123
20022991716,1cyclictest35-21ksoftirqd/309:25:203
20022991715,1cyclictest35-21ksoftirqd/310:45:183
20022991616,0cyclictest35-21ksoftirqd/309:10:133
20022991615,1cyclictest35-21ksoftirqd/307:45:153
20022991515,0cyclictest35-21ksoftirqd/310:20:133
20022991515,0cyclictest35-21ksoftirqd/307:15:123
20022991514,1cyclictest35-21ksoftirqd/312:10:163
20022991514,1cyclictest35-21ksoftirqd/307:25:153
20022991414,0cyclictest35-21ksoftirqd/310:36:193
20022991414,0cyclictest35-21ksoftirqd/309:23:293
20022991413,1cyclictest35-21ksoftirqd/309:58:343
20022991413,1cyclictest35-21ksoftirqd/308:55:003
20022991413,1cyclictest35-21ksoftirqd/307:24:593
20022991413,0cyclictest35-21ksoftirqd/310:30:123
2000799140,0cyclictest0-21swapper/009:25:110
20022991313,0cyclictest35-21ksoftirqd/307:10:143
20022991312,0cyclictest35-21ksoftirqd/312:40:003
20022991311,1cyclictest35-21ksoftirqd/312:19:593
20022991311,1cyclictest35-21ksoftirqd/309:40:003
20022991311,1cyclictest35-21ksoftirqd/309:34:593
20013991311,1cyclictest28-21ksoftirqd/211:45:012
2000999130,12cyclictest0-21swapper/107:15:161
2002299123,6cyclictest35-21ksoftirqd/310:10:003
20022991212,0cyclictest35-21ksoftirqd/310:15:003
20022991212,0cyclictest35-21ksoftirqd/309:05:013
20022991211,1cyclictest35-21ksoftirqd/308:10:003
20022991211,1cyclictest35-21ksoftirqd/307:44:593
20022991210,1cyclictest35-21ksoftirqd/312:35:003
20022991210,1cyclictest35-21ksoftirqd/311:30:143
20022991210,1cyclictest35-21ksoftirqd/309:20:003
20013991211,1cyclictest28-21ksoftirqd/211:30:142
20013991211,1cyclictest28-21ksoftirqd/209:30:132
20013991211,0cyclictest28-21ksoftirqd/212:16:152
20013991210,1cyclictest28-21ksoftirqd/212:35:012
2000799120,1cyclictest22673-21cat07:15:000
2002299119,1cyclictest35-21ksoftirqd/312:25:133
2002299119,1cyclictest35-21ksoftirqd/312:09:593
2002299119,1cyclictest35-21ksoftirqd/311:40:013
2002299119,1cyclictest35-21ksoftirqd/310:25:123
2002299119,1cyclictest35-21ksoftirqd/310:00:223
2002299119,1cyclictest35-21ksoftirqd/309:00:013
2002299119,1cyclictest35-21ksoftirqd/308:00:003
2002299113,4cyclictest35-21ksoftirqd/309:51:293
2002299112,8cyclictest35-21ksoftirqd/310:40:123
20022991111,0cyclictest35-21ksoftirqd/311:06:303
20022991111,0cyclictest35-21ksoftirqd/310:50:263
20022991111,0cyclictest35-21ksoftirqd/310:50:263
20022991111,0cyclictest35-21ksoftirqd/308:35:003
20022991110,1cyclictest35-21ksoftirqd/312:04:053
20022991110,1cyclictest35-21ksoftirqd/312:00:013
20022991110,1cyclictest35-21ksoftirqd/311:15:113
20022991110,1cyclictest35-21ksoftirqd/310:55:153
20022991110,1cyclictest35-21ksoftirqd/309:45:093
20022991110,1cyclictest35-21ksoftirqd/308:15:013
20022991110,1cyclictest35-21ksoftirqd/307:40:003
20022991110,0cyclictest35-21ksoftirqd/311:30:003
2001399119,1cyclictest28-21ksoftirqd/210:05:132
20013991110,1cyclictest28-21ksoftirqd/211:35:172
20013991110,1cyclictest28-21ksoftirqd/211:15:112
2002299109,1cyclictest35-21ksoftirqd/312:20:103
2002299109,1cyclictest35-21ksoftirqd/308:15:123
2002299109,1cyclictest35-21ksoftirqd/308:00:153
2002299109,1cyclictest35-21ksoftirqd/307:30:133
2002299108,1cyclictest35-21ksoftirqd/311:50:113
2002299108,1cyclictest35-21ksoftirqd/311:45:143
2002299108,1cyclictest35-21ksoftirqd/311:20:213
2002299108,1cyclictest35-21ksoftirqd/311:10:143
2002299108,1cyclictest35-21ksoftirqd/309:40:153
2002299108,1cyclictest35-21ksoftirqd/308:20:123
2002299108,1cyclictest35-21ksoftirqd/307:50:143
2002299107,1cyclictest35-21ksoftirqd/308:35:003
20022991010,0cyclictest35-21ksoftirqd/308:45:003
20022991010,0cyclictest35-21ksoftirqd/308:25:133
2001399109,1cyclictest28-21ksoftirqd/211:48:112
2001399109,1cyclictest28-21ksoftirqd/211:10:142
2001399109,1cyclictest28-21ksoftirqd/210:35:162
2001399109,1cyclictest28-21ksoftirqd/209:45:102
2001399109,1cyclictest28-21ksoftirqd/209:10:172
2001399109,1cyclictest28-21ksoftirqd/207:30:142
2001399108,1cyclictest28-21ksoftirqd/207:10:142
2001399104,3cyclictest28-21ksoftirqd/211:00:212
20013991010,0cyclictest28-21ksoftirqd/209:19:392
200229998,1cyclictest35-21ksoftirqd/309:10:013
200229997,1cyclictest35-21ksoftirqd/308:45:123
200139999,0cyclictest0-21swapper/207:40:192
200139998,1cyclictest28-21ksoftirqd/210:50:012
200139997,1cyclictest28-21ksoftirqd/210:00:142
200139997,1cyclictest28-21ksoftirqd/209:50:152
200099990,5cyclictest0-21swapper/111:33:031
200079996,2cyclictest29077-21sh09:30:030
200079993,5cyclictest22876-21sed10:45:000
200079991,4cyclictest4787-21date07:45:010
200079991,4cyclictest12634-21diskmemload11:30:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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