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2025-12-04 - 04:01
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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 Dec 04, 2025 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3064021390,1sleep327696-21stress22:30:103
6162211552,58sleep30-21swapper/319:09:593
5822211556,54sleep10-21swapper/119:05:511
5845211051,54sleep00-21swapper/019:06:050
581828759,23sleep20-21swapper/219:05:472
6265995914,42cyclictest0-21swapper/323:05:143
6265995514,21cyclictest0-21swapper/300:19:063
6265995411,22cyclictest0-21swapper/323:25:173
626599529,40cyclictest0-21swapper/300:35:173
626599518,19cyclictest0-21swapper/300:10:313
626599518,19cyclictest0-21swapper/300:10:313
626599516,21cyclictest0-21swapper/300:00:293
6265995114,16cyclictest0-21swapper/321:35:203
6265995114,16cyclictest0-21swapper/321:25:183
6265995114,16cyclictest0-21swapper/300:20:233
6265995113,17cyclictest0-21swapper/322:35:163
6265995112,21cyclictest0-21swapper/322:20:363
6265995112,21cyclictest0-21swapper/322:20:353
626599508,39cyclictest0-21swapper/322:25:223
626599507,40cyclictest0-21swapper/321:49:103
6265995014,33cyclictest0-21swapper/300:30:013
6262995020,27cyclictest0-21swapper/022:32:530
626599499,37cyclictest0-21swapper/322:15:463
626599497,18cyclictest0-21swapper/323:15:253
6265994914,14cyclictest0-21swapper/323:48:243
6265994911,18cyclictest0-21swapper/322:55:183
6265994910,16cyclictest0-21swapper/322:40:233
6262994923,23cyclictest0-21swapper/022:05:550
626599489,18cyclictest0-21swapper/321:32:023
626599487,20cyclictest0-21swapper/323:35:033
6265994812,17cyclictest0-21swapper/323:00:383
6265994812,17cyclictest0-21swapper/323:00:373
6265994810,16cyclictest0-21swapper/321:55:293
626599477,16cyclictest0-21swapper/323:24:583
6265994712,15cyclictest0-21swapper/300:05:093
626599469,21cyclictest0-21swapper/322:11:013
626599468,17cyclictest0-21swapper/323:30:163
626599466,21cyclictest0-21swapper/321:40:363
626599465,21cyclictest0-21swapper/319:15:143
6265994614,14cyclictest0-21swapper/319:40:233
6265994610,16cyclictest0-21swapper/321:50:093
6265994610,16cyclictest0-21swapper/321:50:093
626299469,34cyclictest0-21swapper/023:47:400
626599456,19cyclictest0-21swapper/323:10:153
626599456,17cyclictest0-21swapper/323:50:143
6265994514,16cyclictest0-21swapper/300:32:543
6262994521,22cyclictest0-21swapper/023:51:400
6262994521,22cyclictest0-21swapper/000:02:110
626599446,21cyclictest0-21swapper/322:09:403
626599445,23cyclictest0-21swapper/319:45:233
6265994415,14cyclictest0-21swapper/319:57:063
6265994413,14cyclictest0-21swapper/320:35:203
626299449,33cyclictest0-21swapper/021:59:460
6262994420,22cyclictest0-21swapper/022:16:470
6262994419,23cyclictest0-21swapper/022:22:580
6262994419,23cyclictest0-21swapper/022:22:570
626599436,15cyclictest0-21swapper/321:15:113
626599436,15cyclictest0-21swapper/321:15:103
626299439,24cyclictest0-21swapper/020:05:240
626299439,24cyclictest0-21swapper/020:05:240
626299434,36cyclictest0-21swapper/023:10:180
6262994323,18cyclictest0-21swapper/021:50:170
6262994323,18cyclictest0-21swapper/021:50:170
6262994323,18cyclictest0-21swapper/000:30:220
6262994323,17cyclictest0-21swapper/023:15:190
6262994322,19cyclictest0-21swapper/021:40:340
6262994321,20cyclictest0-21swapper/023:05:310
6262994320,20cyclictest0-21swapper/021:35:220
6262994320,20cyclictest0-21swapper/000:36:350
297252430,1sleep129724-21if_eth223:40:251
297252430,1sleep129724-21if_eth223:40:251
626599426,16cyclictest0-21swapper/322:45:233
626599426,15cyclictest0-21swapper/323:55:243
626599425,15cyclictest0-21swapper/322:50:263
6265994214,16cyclictest0-21swapper/319:23:053
6262994223,17cyclictest0-21swapper/021:25:360
6262994223,16cyclictest0-21swapper/022:28:160
6262994221,19cyclictest0-21swapper/000:23:330
6262994220,20cyclictest0-21swapper/023:55:140
6262994220,20cyclictest0-21swapper/023:30:380
6262994220,20cyclictest0-21swapper/000:25:240
6262994220,20cyclictest0-21swapper/000:10:200
6262994220,20cyclictest0-21swapper/000:10:190
6262994220,19cyclictest0-21swapper/022:45:320
6262994219,21cyclictest0-21swapper/023:24:210
626599416,13cyclictest0-21swapper/323:40:193
626599416,13cyclictest0-21swapper/323:40:193
626599416,13cyclictest0-21swapper/322:00:153
626599415,21cyclictest0-21swapper/319:33:063
626599415,15cyclictest0-21swapper/319:28:103
626599415,15cyclictest0-21swapper/319:10:223
6265994110,16cyclictest0-21swapper/320:56:073
626299413,35cyclictest0-21swapper/023:00:300
626299413,35cyclictest0-21swapper/023:00:300
6262994120,19cyclictest0-21swapper/021:45:240
6262994119,20cyclictest0-21swapper/000:06:260
626299411,37cyclictest27698-21stress22:01:430
626599405,24cyclictest0-21swapper/320:22:063
626599405,21cyclictest0-21swapper/320:26:453
626299408,29cyclictest0-21swapper/000:15:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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