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2026-05-25 - 21:55
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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 rackcslot2.osadl.org (updated Mon May 25, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3059227347,21sleep00-21swapper/007:03:550
56882700,1sleep00-21swapper/011:48:510
38222690,1sleep00-21swapper/010:19:090
3191626949,16sleep10-21swapper/107:04:221
150332650,0sleep00-21swapper/011:17:590
32527994410,33cyclictest0-21swapper/112:19:111
32527994210,31cyclictest0-21swapper/108:44:101
32527994110,30cyclictest0-21swapper/112:30:511
32527994110,30cyclictest0-21swapper/109:54:081
32527994110,30cyclictest0-21swapper/108:20:141
32527994012,28cyclictest0-21swapper/112:00:361
32527994010,29cyclictest23831-21ssh12:12:431
32527994010,29cyclictest0-21swapper/111:19:111
32527994010,29cyclictest0-21swapper/110:32:391
32527994010,29cyclictest0-21swapper/109:16:371
32527993916,22cyclictest0-21swapper/109:29:191
32527993910,4cyclictest0-21swapper/108:24:201
32527993910,28cyclictest0-21swapper/112:34:411
32527993910,28cyclictest0-21swapper/111:33:011
32527993910,28cyclictest0-21swapper/110:09:051
32527993910,28cyclictest0-21swapper/108:14:131
32527993910,27cyclictest0-21swapper/111:09:011
32527993910,27cyclictest0-21swapper/109:27:301
32527993824,13cyclictest0-21swapper/110:22:201
32527993813,24cyclictest0-21swapper/111:39:561
32527993811,25cyclictest0-21swapper/111:14:571
32527993810,27cyclictest0-21swapper/110:54:201
32527993810,27cyclictest0-21swapper/110:17:551
32527993810,27cyclictest0-21swapper/109:50:291
32527993810,26cyclictest0-21swapper/109:38:331
32527993810,23cyclictest0-21swapper/109:39:251
32527993710,27cyclictest0-21swapper/111:03:311
32527993710,27cyclictest0-21swapper/110:40:211
32527993710,27cyclictest0-21swapper/108:39:021
32527993710,26cyclictest0-21swapper/112:15:191
32527993710,26cyclictest0-21swapper/111:26:401
32527993710,26cyclictest0-21swapper/110:52:021
32527993710,26cyclictest0-21swapper/110:44:381
32527993710,26cyclictest0-21swapper/110:34:381
32527993710,26cyclictest0-21swapper/110:00:251
32527993710,26cyclictest0-21swapper/109:47:561
32527993624,12cyclictest0-21swapper/107:19:091
32527993610,25cyclictest0-21swapper/111:48:061
32527993610,23cyclictest0-21swapper/111:54:381
32527993610,20cyclictest0-21swapper/110:28:111
32527993510,25cyclictest0-21swapper/109:23:411
32527993510,24cyclictest0-21swapper/111:34:081
32527993510,23cyclictest0-21swapper/112:23:541
32527993510,23cyclictest0-21swapper/110:05:421
32527993510,23cyclictest0-21swapper/108:31:401
32527993510,22cyclictest0-21swapper/111:05:171
32527993418,15cyclictest0-21swapper/111:51:541
32527993410,23cyclictest0-21swapper/108:12:271
32527993410,23cyclictest0-21swapper/107:59:021
32527993410,23cyclictest0-21swapper/107:33:211
3252799340,1cyclictest12351-21/usr/sbin/munin09:04:091
32527993310,5cyclictest0-21swapper/107:48:111
32527993310,23cyclictest0-21swapper/108:56:301
32527993310,22cyclictest0-21swapper/109:11:461
32527993310,22cyclictest0-21swapper/107:54:051
32527993210,5cyclictest0-21swapper/107:16:071
32527993210,3cyclictest0-21swapper/112:06:461
32527993210,22cyclictest0-21swapper/107:34:081
32526993210,22cyclictest0-21swapper/010:46:320
3252799319,21cyclictest231ktimersoftd/109:01:411
32527993110,21cyclictest0-21swapper/107:50:581
32527993024,5cyclictest0-21swapper/107:25:591
3252799300,29cyclictest0-21swapper/107:13:031
32526992910,8cyclictest0-21swapper/012:19:000
32526992910,0cyclictest0-21swapper/012:26:500
32527992810,4cyclictest0-21swapper/107:39:041
32526992710,0cyclictest0-21swapper/009:32:090
32526992619,6cyclictest10013-21apache210:42:120
32526992611,3cyclictest0-21swapper/011:24:310
32527992510,6cyclictest0-21swapper/108:52:221
32527992510,2cyclictest0-21swapper/108:04:321
32526992525,0cyclictest0-21swapper/009:42:280
32526992522,2cyclictest585-21gmain09:15:200
32526992510,3cyclictest0-21swapper/011:13:500
32526992510,13cyclictest0-21swapper/009:27:090
32527992410,6cyclictest0-21swapper/108:33:521
3252699240,23cyclictest0-21swapper/012:00:260
3252699236,12cyclictest0-21swapper/009:19:040
32526992321,1cyclictest81ktimersoftd/012:32:080
32526992318,4cyclictest10040-21apache211:02:450
32526992313,2cyclictest0-21swapper/008:46:320
3252699224,14cyclictest0-21swapper/008:54:020
32526992221,1cyclictest10013-21apache209:56:440
32526992219,2cyclictest10040-21apache211:34:030
32526992212,4cyclictest0-21swapper/010:09:120
32526992210,6cyclictest0-21swapper/010:58:430
32526992210,6cyclictest0-21swapper/008:51:080
32526992210,4cyclictest0-21swapper/010:17:100
32526992210,10cyclictest0-21swapper/012:08:360
3252699212,11cyclictest0-21swapper/010:29:040
32526992113,0cyclictest10032-21apache209:34:050
32526992111,6cyclictest0-21swapper/012:34:040
32526992111,4cyclictest0-21swapper/012:17:510
32526992110,5cyclictest0-21swapper/011:41:530
32526992110,5cyclictest0-21swapper/011:31:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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