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2026-06-22 - 06:23
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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 Mon Jun 22, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6545212060,55sleep30-21swapper/319:07:393
6371211551,58sleep10-21swapper/119:05:281
662228863,20sleep20-21swapper/219:08:372
661028455,24sleep00-21swapper/019:08:270
6844994426,16cyclictest0-21swapper/023:30:300
6844994426,16cyclictest0-21swapper/023:30:300
6844994327,14cyclictest0-21swapper/000:22:070
6844994327,13cyclictest0-21swapper/021:35:260
6844994326,14cyclictest0-21swapper/023:05:170
684699416,22cyclictest0-21swapper/221:55:282
6844994114,24cyclictest0-21swapper/023:45:070
684499408,29cyclictest0-21swapper/021:52:040
684499407,26cyclictest0-21swapper/021:27:030
6844994025,12cyclictest0-21swapper/000:35:350
6844994024,13cyclictest0-21swapper/023:50:160
6844994020,14cyclictest0-21swapper/020:55:360
684699394,12cyclictest0-21swapper/223:05:252
6845993911,20cyclictest0-21swapper/121:10:311
684499398,28cyclictest0-21swapper/022:31:070
6844993923,13cyclictest0-21swapper/022:35:130
6844993921,16cyclictest0-21swapper/022:05:340
6844993920,16cyclictest0-21swapper/021:21:020
684499388,23cyclictest0-21swapper/020:09:000
684499387,28cyclictest0-21swapper/023:25:180
684499387,28cyclictest0-21swapper/023:25:170
684499387,23cyclictest0-21swapper/021:16:500
684499385,31cyclictest0-21swapper/000:25:220
6844993823,13cyclictest0-21swapper/022:28:290
6844993823,13cyclictest0-21swapper/000:03:210
6844993823,13cyclictest0-21swapper/000:03:210
6844993814,14cyclictest27618-21stress21:30:320
6844993812,16cyclictest11746-21if_eth123:00:220
6844993812,15cyclictest27620-21stress23:40:320
6844993812,12cyclictest3166-21latency22:40:250
122792385,13sleep30-21swapper/320:34:573
6846993716,19cyclictest0-21swapper/223:00:012
6846993716,19cyclictest0-21swapper/223:00:012
684499378,26cyclictest0-21swapper/022:10:160
684499378,26cyclictest0-21swapper/022:10:160
684499378,26cyclictest0-21swapper/021:55:200
684499377,25cyclictest0-21swapper/020:10:060
684499376,28cyclictest0-21swapper/023:15:320
684499375,27cyclictest0-21swapper/020:45:150
6844993721,14cyclictest0-21swapper/023:20:180
6844993714,14cyclictest0-21swapper/019:40:210
6844993714,13cyclictest0-21swapper/020:20:160
6844993714,13cyclictest0-21swapper/019:30:200
6844993713,12cyclictest0-21swapper/019:50:130
6844993713,10cyclictest9854-21df_inode19:15:030
6844993712,22cyclictest0-21swapper/000:05:140
6844993712,15cyclictest27620-21stress22:15:220
98922365,13sleep30-21swapper/320:27:113
9072365,10sleep20-21swapper/220:05:362
684699364,20cyclictest0-21swapper/200:35:232
684499369,16cyclictest27620-21stress00:16:010
684499367,27cyclictest0-21swapper/021:14:000
684499366,27cyclictest0-21swapper/023:35:160
6844993615,19cyclictest0-21swapper/019:45:180
6844993615,19cyclictest0-21swapper/019:45:170
6844993613,14cyclictest0-21swapper/020:20:010
6844993612,14cyclictest27618-21stress22:55:210
6844993612,14cyclictest27618-21stress22:55:210
6844993611,16cyclictest0-21swapper/000:00:000
6844993610,15cyclictest27620-21stress21:40:370
194372360,3sleep027620-21stress00:30:370
85862355,10sleep20-21swapper/219:10:342
82252355,10sleep20-21swapper/220:25:092
684699357,15cyclictest0-21swapper/222:15:132
684699356,26cyclictest0-21swapper/223:45:312
6846993516,16cyclictest0-21swapper/222:21:592
6846993514,18cyclictest0-21swapper/200:05:152
6846993513,20cyclictest0-21swapper/222:00:132
684599359,18cyclictest0-21swapper/120:38:031
6845993511,18cyclictest0-21swapper/119:10:341
6845993510,19cyclictest0-21swapper/120:40:321
684499358,24cyclictest0-21swapper/022:45:130
684499357,22cyclictest0-21swapper/019:58:300
6844993515,18cyclictest0-21swapper/020:50:370
6844993513,8cyclictest9324-21ps20:25:230
6844993512,4cyclictest12560-21/usr/sbin/munin20:35:170
6844993511,13cyclictest27618-21stress21:45:320
6844993510,6cyclictest18749-21cut19:35:120
6844993510,15cyclictest27620-21stress00:11:500
6844993510,15cyclictest27618-21stress22:54:000
6844993510,15cyclictest27618-21stress22:54:000
273982355,10sleep30-21swapper/319:55:073
252482355,13sleep30-21swapper/321:03:443
247772355,13sleep20-21swapper/219:47:482
247772355,13sleep20-21swapper/219:47:472
247382355,13sleep30-21swapper/319:47:203
247382355,13sleep30-21swapper/319:47:203
204252355,12sleep30-21swapper/319:38:033
188382355,10sleep30-21swapper/320:50:003
185542355,11sleep10-21swapper/120:46:291
163992355,10sleep30-21swapper/320:41:343
131372355,13sleep20-21swapper/219:20:222
10682355,13sleep30-21swapper/320:07:093
6847993412,19cyclictest0-21swapper/300:13:393
6847993410,22cyclictest0-21swapper/300:30:273
684599347,20cyclictest0-21swapper/122:27:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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