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2026-06-25 - 12:13
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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 rack7slot1.osadl.org (updated Thu Jun 25, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19085211754,23sleep20-21swapper/219:07:322
19150211250,23sleep10-21swapper/119:08:211
19177210651,21sleep30-21swapper/319:08:423
18990210350,21sleep00-21swapper/019:06:180
19383995915,21cyclictest0-21swapper/200:11:172
19383995915,21cyclictest0-21swapper/200:11:162
296202570,1sleep17973-21stress23:10:421
19383995411,22cyclictest0-21swapper/200:30:212
19383995215,18cyclictest0-21swapper/222:20:292
19383995215,18cyclictest0-21swapper/222:20:292
19383995215,18cyclictest0-21swapper/221:57:402
19383995215,14cyclictest0-21swapper/221:30:152
19383995014,14cyclictest0-21swapper/222:26:362
19383995014,14cyclictest0-21swapper/222:26:362
1938299406,14cyclictest0-21swapper/122:45:291
1938199385,19cyclictest0-21swapper/020:00:220
19381993813,22cyclictest0-21swapper/021:23:400
28912375,14sleep10-21swapper/119:43:171
264652375,13sleep10-21swapper/119:22:471
19383993714,17cyclictest0-21swapper/222:00:022
1938199375,21cyclictest0-21swapper/019:15:170
19381993712,22cyclictest0-21swapper/000:30:290
74202365,11sleep10-21swapper/119:54:231
7192365,11sleep30-21swapper/319:39:143
49912365,14sleep00-21swapper/019:46:460
240612365,12sleep10-21swapper/119:15:301
19383993615,19cyclictest0-21swapper/222:15:162
19383993615,19cyclictest0-21swapper/221:40:192
1938299365,15cyclictest0-21swapper/121:11:411
1938199368,16cyclictest0-21swapper/020:40:220
1938199366,16cyclictest0-21swapper/000:15:340
1938199366,16cyclictest0-21swapper/000:15:330
19381993615,18cyclictest0-21swapper/000:30:000
93322355,11sleep10-21swapper/119:56:121
9132355,11sleep10-21swapper/120:51:181
78112355,11sleep30-21swapper/321:09:003
75582355,11sleep10-21swapper/121:05:451
34132355,11sleep30-21swapper/320:58:593
289802355,11sleep30-21swapper/320:41:573
245392355,9sleep30-21swapper/320:30:563
215002355,11sleep10-21swapper/119:14:571
1938499356,27cyclictest0-21swapper/322:34:243
19383993515,18cyclictest0-21swapper/222:40:372
19383993512,20cyclictest0-21swapper/221:25:032
1938199356,19cyclictest0-21swapper/019:35:390
1938199355,22cyclictest0-21swapper/020:30:050
19381993520,13cyclictest0-21swapper/019:44:510
19381993512,20cyclictest0-21swapper/023:15:050
94342345,11sleep00-21swapper/019:57:310
50072345,11sleep10-21swapper/119:46:581
308432344,11sleep10-21swapper/119:32:421
287132345,11sleep10-21swapper/119:29:011
226202345,12sleep10-21swapper/120:29:001
19384993411,20cyclictest0-21swapper/323:40:393
19384993411,20cyclictest0-21swapper/323:40:393
19384993411,20cyclictest0-21swapper/323:31:033
19384993411,20cyclictest0-21swapper/323:31:033
1938399345,22cyclictest0-21swapper/220:06:202
1938399345,21cyclictest0-21swapper/220:30:232
19383993416,16cyclictest0-21swapper/200:24:442
19383993414,18cyclictest0-21swapper/200:25:052
19383993414,17cyclictest0-21swapper/223:40:282
19383993414,17cyclictest0-21swapper/223:40:282
1938299348,23cyclictest0-21swapper/122:56:151
1938299348,23cyclictest0-21swapper/122:56:151
1938299347,13cyclictest0-21swapper/100:05:321
19381993416,16cyclictest0-21swapper/020:17:190
19381993415,16cyclictest0-21swapper/023:29:030
19381993414,18cyclictest0-21swapper/022:10:170
19381993414,18cyclictest0-21swapper/021:31:160
19381993411,20cyclictest0-21swapper/023:37:560
19381993411,20cyclictest0-21swapper/023:37:560
19381993411,20cyclictest0-21swapper/021:25:440
19381993410,21cyclictest0-21swapper/021:19:000
19381993410,21cyclictest0-21swapper/021:19:000
154422345,12sleep10-21swapper/120:10:231
138242344,11sleep10-21swapper/120:08:111
226092334,11sleep00-21swapper/020:28:510
1938499335,26cyclictest0-21swapper/300:08:183
19384993315,16cyclictest0-21swapper/322:25:303
19384993315,16cyclictest0-21swapper/322:25:293
19384993311,20cyclictest0-21swapper/321:30:193
19384993310,21cyclictest0-21swapper/321:45:553
19384993310,21cyclictest0-21swapper/321:45:543
19384993310,20cyclictest0-21swapper/300:10:383
19384993310,20cyclictest0-21swapper/300:10:383
19383993317,15cyclictest0-21swapper/220:17:052
19383993316,15cyclictest0-21swapper/200:35:202
19383993315,16cyclictest0-21swapper/222:30:092
19383993315,16cyclictest0-21swapper/200:00:232
19383993314,17cyclictest0-21swapper/200:05:152
19383993312,18cyclictest0-21swapper/221:20:312
19382993312,18cyclictest0-21swapper/100:38:261
1938199335,17cyclictest0-21swapper/020:37:550
19381993316,15cyclictest0-21swapper/022:05:340
19381993316,15cyclictest0-21swapper/021:05:220
19381993315,16cyclictest0-21swapper/023:20:210
19381993314,16cyclictest0-21swapper/023:05:340
19381993313,14cyclictest0-21swapper/019:13:470
19381993313,10cyclictest0-21swapper/020:45:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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