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2026-06-01 - 12:50
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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 01, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4604212056,58sleep20-21swapper/219:09:102
4537211956,58sleep30-21swapper/319:08:193
4429211956,58sleep00-21swapper/019:06:550
4583210651,50sleep10-21swapper/119:08:531
477299475,24cyclictest0-21swapper/122:15:211
477299475,17cyclictest0-21swapper/120:41:141
4773994615,28cyclictest0-21swapper/221:17:482
4773994615,28cyclictest0-21swapper/221:17:472
477299455,3cyclictest0-21swapper/123:20:001
477299443,24cyclictest25298-21stress23:05:231
4772994421,20cyclictest0-21swapper/123:26:151
477299435,26cyclictest0-21swapper/119:40:221
477299435,25cyclictest0-21swapper/119:15:031
477299435,22cyclictest25298-21stress23:50:331
477299435,22cyclictest0-21swapper/100:15:211
477399427,19cyclictest0-21swapper/223:35:152
477299425,24cyclictest0-21swapper/123:45:011
477299425,23cyclictest0-21swapper/123:02:031
477299425,23cyclictest0-21swapper/100:30:341
4774994118,20cyclictest0-21swapper/321:40:213
477299415,25cyclictest0-21swapper/121:10:011
477299415,25cyclictest0-21swapper/121:10:001
4772994120,19cyclictest0-21swapper/121:49:261
4772994120,19cyclictest0-21swapper/121:49:261
4774994019,19cyclictest0-21swapper/300:05:003
4774994019,19cyclictest0-21swapper/300:05:003
4774994017,20cyclictest0-21swapper/323:10:013
477299403,4cyclictest25298-21stress23:24:591
477299403,19cyclictest0-21swapper/122:35:381
477299403,19cyclictest0-21swapper/119:45:051
477299402,20cyclictest0-21swapper/123:35:261
4772994020,17cyclictest0-21swapper/123:10:061
160492405,18sleep20-21swapper/219:31:332
4774993920,17cyclictest0-21swapper/300:25:253
4774993919,18cyclictest0-21swapper/322:20:073
4774993917,19cyclictest0-21swapper/322:25:163
4773993912,18cyclictest0-21swapper/222:52:172
4773993911,25cyclictest0-21swapper/221:40:032
477299395,18cyclictest0-21swapper/119:28:451
477299395,17cyclictest0-21swapper/121:00:591
477299395,17cyclictest0-21swapper/120:46:011
477299395,17cyclictest0-21swapper/120:24:131
477299395,17cyclictest0-21swapper/120:16:021
477299395,17cyclictest0-21swapper/119:51:331
477299395,16cyclictest0-21swapper/120:11:091
477299394,18cyclictest0-21swapper/119:30:121
477299394,17cyclictest0-21swapper/120:33:121
477299393,4cyclictest25294-21stress22:12:191
477299393,4cyclictest25294-21stress22:12:181
477299393,17cyclictest0-21swapper/119:56:511
4772993921,16cyclictest0-21swapper/121:29:431
477499386,29cyclictest0-21swapper/323:45:013
477499386,29cyclictest0-21swapper/300:35:183
477499386,29cyclictest0-21swapper/300:35:183
4774993821,15cyclictest0-21swapper/322:00:213
4774993819,17cyclictest0-21swapper/300:20:223
4774993817,18cyclictest0-21swapper/322:05:183
4773993817,18cyclictest0-21swapper/222:05:432
477299385,17cyclictest0-21swapper/120:55:121
477299385,17cyclictest0-21swapper/120:53:591
477299385,17cyclictest0-21swapper/120:25:271
477299385,16cyclictest0-21swapper/120:00:031
477299384,17cyclictest0-21swapper/119:35:101
477299384,17cyclictest0-21swapper/119:35:101
477299383,33cyclictest0-21swapper/121:35:121
477299383,19cyclictest0-21swapper/122:27:551
477299383,18cyclictest0-21swapper/120:35:081
477299383,16cyclictest0-21swapper/120:05:171
4772993821,15cyclictest0-21swapper/122:30:571
228022385,17sleep00-21swapper/021:02:000
477499376,28cyclictest0-21swapper/323:37:483
477499376,28cyclictest0-21swapper/322:55:163
477499376,28cyclictest0-21swapper/322:55:163
477499376,28cyclictest0-21swapper/321:51:593
477499373,31cyclictest25298-21stress22:36:553
4774993721,14cyclictest0-21swapper/322:47:523
4774993721,14cyclictest0-21swapper/322:47:523
4774993719,16cyclictest0-21swapper/321:55:103
4774993718,17cyclictest0-21swapper/300:05:083
4774993717,17cyclictest0-21swapper/323:55:253
4773993714,16cyclictest0-21swapper/221:39:112
4773993711,23cyclictest0-21swapper/200:14:552
477299375,23cyclictest0-21swapper/121:55:171
477299375,17cyclictest0-21swapper/119:24:001
477299373,31cyclictest25527-21/usr/sbin/munin21:10:251
477299373,31cyclictest25298-21stress23:30:411
477299373,31cyclictest25298-21stress00:38:341
477299373,31cyclictest25298-21stress00:38:341
477299373,20cyclictest0-21swapper/121:15:141
477299373,20cyclictest0-21swapper/121:15:141
477299373,18cyclictest0-21swapper/122:55:171
477299373,18cyclictest0-21swapper/122:55:161
477299373,18cyclictest0-21swapper/121:30:551
477299373,17cyclictest0-21swapper/119:11:541
4772993721,14cyclictest0-21swapper/122:41:051
270182375,15sleep20-21swapper/219:58:232
184092375,15sleep20-21swapper/220:51:052
143072375,15sleep20-21swapper/220:44:142
78122365,15sleep00-21swapper/020:28:530
477499367,26cyclictest25294-21stress23:10:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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