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2026-05-19 - 22:55
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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 highest latencies:
System rackdslot3.osadl.org (updated Tue May 19, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
92502205172,21sleep30-21swapper/307:05:073
110632205172,22sleep10-21swapper/107:05:571
111522202171,20sleep20-21swapper/207:07:082
113092200167,22sleep00-21swapper/007:09:030
2280621770,5sleep21167699cyclictest07:30:252
302582640,2sleep30-21swapper/311:10:143
139391590,1ptp4l401ktimersoftd/312:00:233
139391540,1ptp4l401ktimersoftd/312:22:453
289012460,2sleep00-21swapper/011:05:260
11676994431,11cyclictest33-21ksoftirqd/209:45:012
139391430,0ptp4l401ktimersoftd/309:05:203
139391430,0ptp4l401ktimersoftd/309:05:203
139391430,0ptp4l401ktimersoftd/307:51:393
139391420,1ptp4l16048-21ls08:25:223
139391420,0ptp4l401ktimersoftd/311:54:553
139391420,0ptp4l401ktimersoftd/308:20:283
57898410,4rtkit-daemon25958-21apt-get07:40:110
139391410,0ptp4l401ktimersoftd/309:54:413
139391410,0ptp4l401ktimersoftd/307:56:563
11676994035,3cyclictest10383-21cron10:30:002
11677993933,3cyclictest41-21ksoftirqd/310:20:003
139391380,14ptp4l401ktimersoftd/308:50:183
57898370,7rtkit-daemon0-21swapper/010:58:260
11677993733,2cyclictest41-21ksoftirqd/308:35:003
11676993732,3cyclictest25845-21cron09:55:002
11675993732,3cyclictest25-21ksoftirqd/109:20:001
11675993731,4cyclictest25-21ksoftirqd/107:15:001
11675993730,4cyclictest25-21ksoftirqd/109:45:111
11674993732,3cyclictest9-21ksoftirqd/008:49:590
11677993631,3cyclictest6485-21fschecks_count12:35:183
11677993630,4cyclictest41-21ksoftirqd/311:17:573
11677993630,4cyclictest41-21ksoftirqd/308:05:293
11677993629,5cyclictest41-21ksoftirqd/307:39:373
11677993629,5cyclictest41-21ksoftirqd/307:30:343
11676993631,3cyclictest33-21ksoftirqd/211:30:112
11676993630,4cyclictest33-21ksoftirqd/212:29:122
11676993630,4cyclictest33-21ksoftirqd/209:23:182
11676993630,4cyclictest33-21ksoftirqd/208:56:182
11675993632,3cyclictest25-21ksoftirqd/108:45:001
11675993630,4cyclictest25-21ksoftirqd/112:01:301
11675993630,4cyclictest25-21ksoftirqd/110:29:001
11675993630,3cyclictest25-21ksoftirqd/109:05:001
11675993628,5cyclictest25-21ksoftirqd/109:05:121
11675993628,5cyclictest25-21ksoftirqd/109:05:121
57898350,6rtkit-daemon0-21swapper/310:36:503
139391350,0ptp4l401ktimersoftd/311:45:213
11677993529,4cyclictest41-21ksoftirqd/312:18:063
11677993529,4cyclictest41-21ksoftirqd/309:55:093
11677993529,4cyclictest41-21ksoftirqd/309:33:343
11677993529,3cyclictest41-21ksoftirqd/311:40:013
11676993529,4cyclictest33-21ksoftirqd/207:29:492
11676993529,4cyclictest33-21ksoftirqd/207:10:452
11675993530,3cyclictest25-21ksoftirqd/110:40:011
11675993530,3cyclictest25-21ksoftirqd/110:10:091
11675993530,3cyclictest25-21ksoftirqd/107:20:121
11675993529,4cyclictest25-21ksoftirqd/112:30:311
11675993529,4cyclictest25-21ksoftirqd/111:39:091
11675993529,4cyclictest25-21ksoftirqd/109:58:031
11675993529,4cyclictest25-21ksoftirqd/107:59:021
11675993528,5cyclictest25-21ksoftirqd/109:39:061
11674993531,3cyclictest9-21ksoftirqd/012:05:010
11674993530,3cyclictest9-21ksoftirqd/011:40:010
11674993529,4cyclictest9-21ksoftirqd/009:53:250
11674993529,4cyclictest9-21ksoftirqd/007:28:550
11674993529,3cyclictest9-21ksoftirqd/008:05:130
11677993429,3cyclictest41-21ksoftirqd/307:20:203
11677993428,4cyclictest41-21ksoftirqd/309:46:343
11676993429,3cyclictest33-21ksoftirqd/211:20:102
11676993429,3cyclictest33-21ksoftirqd/209:10:002
11676993429,3cyclictest33-21ksoftirqd/209:10:002
11676993429,3cyclictest33-21ksoftirqd/208:37:132
11676993428,4cyclictest33-21ksoftirqd/211:40:102
11676993428,4cyclictest33-21ksoftirqd/210:43:262
11676993428,4cyclictest33-21ksoftirqd/210:43:262
11676993428,4cyclictest33-21ksoftirqd/210:15:342
11676993428,4cyclictest33-21ksoftirqd/210:04:302
11676993428,3cyclictest33-21ksoftirqd/209:02:452
11676993427,4cyclictest33-21ksoftirqd/211:29:432
11676993415,17cyclictest33-21ksoftirqd/208:15:012
11675993429,3cyclictest25-21ksoftirqd/109:20:161
11675993429,3cyclictest25-21ksoftirqd/107:15:161
11675993428,4cyclictest25-21ksoftirqd/111:52:011
11675993428,4cyclictest25-21ksoftirqd/110:07:261
11675993428,4cyclictest25-21ksoftirqd/109:26:471
11675993428,4cyclictest25-21ksoftirqd/108:19:231
11675993428,4cyclictest25-21ksoftirqd/108:13:251
11675993428,4cyclictest25-21ksoftirqd/108:09:481
11675993428,4cyclictest25-21ksoftirqd/107:45:291
11675993428,4cyclictest25-21ksoftirqd/107:38:551
11675993428,3cyclictest25-21ksoftirqd/107:50:181
11675993427,4cyclictest25-21ksoftirqd/112:21:211
11674993428,4cyclictest9-21ksoftirqd/011:58:290
11677993328,3cyclictest28086-21sh07:45:003
11677993327,4cyclictest41-21ksoftirqd/311:06:453
11677993327,4cyclictest41-21ksoftirqd/309:41:453
11677993327,4cyclictest41-21ksoftirqd/308:57:293
11677993327,4cyclictest41-21ksoftirqd/307:26:383
11677993327,4cyclictest41-21ksoftirqd/307:18:443
11677993322,9cyclictest41-21ksoftirqd/307:45:253
11676993328,3cyclictest33-21ksoftirqd/212:30:132
11676993328,3cyclictest33-21ksoftirqd/212:10:472
11676993328,3cyclictest33-21ksoftirqd/208:32:522
11676993327,4cyclictest33-21ksoftirqd/211:14:432
11676993327,4cyclictest33-21ksoftirqd/210:57:502
11676993327,4cyclictest33-21ksoftirqd/210:53:082
11676993327,4cyclictest33-21ksoftirqd/210:34:472
11675993328,3cyclictest25-21ksoftirqd/111:29:001
11675993328,3cyclictest25-21ksoftirqd/108:55:001
11675993327,4cyclictest25-21ksoftirqd/112:29:111
11675993327,4cyclictest25-21ksoftirqd/111:43:461
11675993327,4cyclictest25-21ksoftirqd/111:01:101
11675993327,4cyclictest25-21ksoftirqd/110:00:411
11675993327,4cyclictest25-21ksoftirqd/109:41:391
11675993327,4cyclictest25-21ksoftirqd/109:32:191
11675993327,4cyclictest25-21ksoftirqd/108:58:311
11675993327,4cyclictest25-21ksoftirqd/108:00:301
11674993329,2cyclictest9-21ksoftirqd/010:35:000
11674993329,2cyclictest9-21ksoftirqd/009:35:000
11674993328,3cyclictest9-21ksoftirqd/010:40:180
11674993328,3cyclictest9-21ksoftirqd/010:40:180
11674993328,3cyclictest9-21ksoftirqd/010:20:000
11674993327,4cyclictest9-21ksoftirqd/011:28:450
11674993327,4cyclictest9-21ksoftirqd/011:03:010
11674993327,4cyclictest9-21ksoftirqd/008:34:420
11674993327,4cyclictest9-21ksoftirqd/007:24:060
11674993327,4cyclictest9-21ksoftirqd/007:16:560
11674993327,4cyclictest9-21ksoftirqd/007:13:520
11674993327,3cyclictest9-21ksoftirqd/011:15:590
139391320,0ptp4l401ktimersoftd/311:58:483
139391320,0ptp4l401ktimersoftd/311:33:593
11677993227,3cyclictest41-21ksoftirqd/309:04:433
11677993226,4cyclictest41-21ksoftirqd/311:27:313
11677993226,4cyclictest41-21ksoftirqd/308:42:473
11677993226,4cyclictest41-21ksoftirqd/308:03:203
11676993227,3cyclictest33-21ksoftirqd/211:55:232
11676993227,3cyclictest33-21ksoftirqd/210:39:242
11676993227,3cyclictest33-21ksoftirqd/209:49:142
11676993226,4cyclictest33-21ksoftirqd/212:02:212
11676993226,4cyclictest33-21ksoftirqd/211:38:262
11676993226,4cyclictest33-21ksoftirqd/211:07:002
11675993228,3cyclictest25-21ksoftirqd/111:55:211
11675993228,3cyclictest25-21ksoftirqd/108:45:181
11675993227,3cyclictest25-21ksoftirqd/110:30:171
11675993227,3cyclictest25-21ksoftirqd/109:13:341
11675993227,3cyclictest25-21ksoftirqd/109:13:341
11675993226,4cyclictest25-21ksoftirqd/110:19:421
11675993226,4cyclictest25-21ksoftirqd/108:30:301
11674993227,3cyclictest9-21ksoftirqd/008:55:210
11674993227,3cyclictest9-21ksoftirqd/008:39:230
11674993227,3cyclictest9-21ksoftirqd/008:14:250
11674993226,4cyclictest9-21ksoftirqd/012:22:360
11674993226,4cyclictest9-21ksoftirqd/011:32:540
11674993226,4cyclictest9-21ksoftirqd/011:22:550
11674993226,4cyclictest9-21ksoftirqd/010:50:460
11674993226,4cyclictest9-21ksoftirqd/010:45:440
11674993226,4cyclictest9-21ksoftirqd/009:46:520
11674993226,4cyclictest9-21ksoftirqd/009:15:540
11674993226,4cyclictest9-21ksoftirqd/007:35:500
11674993225,4cyclictest9-21ksoftirqd/008:21:220
139391310,0ptp4l401ktimersoftd/310:46:163
11677993126,3cyclictest41-21ksoftirqd/310:50:193
11677993126,3cyclictest41-21ksoftirqd/310:30:173
11677993126,3cyclictest41-21ksoftirqd/308:50:003
11677993125,4cyclictest41-21ksoftirqd/312:05:313
11677993125,4cyclictest41-21ksoftirqd/310:11:333
11677993125,4cyclictest41-21ksoftirqd/308:36:583
11676993127,3cyclictest33-21ksoftirqd/210:07:542
11676993126,3cyclictest33-21ksoftirqd/209:18:012
11676993126,3cyclictest33-21ksoftirqd/208:46:282
11676993126,3cyclictest33-21ksoftirqd/208:43:072
11676993126,3cyclictest33-21ksoftirqd/207:55:402
11676993125,4cyclictest33-21ksoftirqd/211:47:522
11676993125,4cyclictest33-21ksoftirqd/211:16:472
11676993125,4cyclictest33-21ksoftirqd/210:23:042
11676993125,4cyclictest33-21ksoftirqd/210:11:282
11676993125,4cyclictest33-21ksoftirqd/208:22:162
11676993125,4cyclictest33-21ksoftirqd/207:42:062
11675993126,3cyclictest25-21ksoftirqd/112:18:561
11675993125,4cyclictest25-21ksoftirqd/110:50:351
11674993127,2cyclictest9-21ksoftirqd/009:10:000
11674993127,2cyclictest9-21ksoftirqd/009:10:000
11674993126,3cyclictest9-21ksoftirqd/008:29:450
11674993125,4cyclictest9-21ksoftirqd/011:43:090
11674993125,4cyclictest9-21ksoftirqd/011:11:240
11674993125,4cyclictest9-21ksoftirqd/010:38:180
11674993125,4cyclictest9-21ksoftirqd/010:23:020
11674993125,4cyclictest9-21ksoftirqd/009:37:400
1767123024,2sleep233-21ksoftirqd/211:50:182
139391300,0ptp4l401ktimersoftd/312:25:013
11677993026,2cyclictest41-21ksoftirqd/308:15:003
11677993025,3cyclictest41-21ksoftirqd/312:34:433
11677993025,3cyclictest41-21ksoftirqd/311:40:163
11677993025,3cyclictest41-21ksoftirqd/311:05:003
11677993025,3cyclictest41-21ksoftirqd/310:07:483
11677993025,3cyclictest41-21ksoftirqd/309:36:433
11677993024,4cyclictest41-21ksoftirqd/310:01:513
11677993024,4cyclictest41-21ksoftirqd/309:17:303
11677993024,4cyclictest41-21ksoftirqd/308:16:363
11676993025,3cyclictest33-21ksoftirqd/209:31:592
11676993025,3cyclictest33-21ksoftirqd/209:27:482
11676993024,4cyclictest33-21ksoftirqd/212:17:522
11676993024,4cyclictest33-21ksoftirqd/212:08:262
11676993024,4cyclictest33-21ksoftirqd/210:45:572
11676993024,4cyclictest33-21ksoftirqd/207:51:072
11675993025,3cyclictest25-21ksoftirqd/111:30:191
11675993025,3cyclictest25-21ksoftirqd/110:45:191
11675993024,4cyclictest25-21ksoftirqd/112:08:411
11675993024,4cyclictest25-21ksoftirqd/110:41:161
11675993024,4cyclictest25-21ksoftirqd/110:41:161
11675993024,4cyclictest25-21ksoftirqd/108:21:481
11674993025,3cyclictest9-21ksoftirqd/012:30:590
11674993025,3cyclictest9-21ksoftirqd/011:52:340
11674993024,4cyclictest9-21ksoftirqd/012:18:550
11674993024,4cyclictest9-21ksoftirqd/010:26:030
11674993024,4cyclictest9-21ksoftirqd/009:42:340
11674993024,4cyclictest9-21ksoftirqd/007:32:320
11677992924,3cyclictest41-21ksoftirqd/310:40:343
11677992924,3cyclictest41-21ksoftirqd/310:40:343
11677992924,3cyclictest41-21ksoftirqd/309:23:173
11677992924,3cyclictest41-21ksoftirqd/307:10:183
11677992923,4cyclictest41-21ksoftirqd/310:21:443
11676992924,3cyclictest33-21ksoftirqd/212:39:132
11676992924,3cyclictest33-21ksoftirqd/209:13:282
11676992924,3cyclictest33-21ksoftirqd/209:13:272
11676992924,3cyclictest33-21ksoftirqd/207:36:072
11676992923,4cyclictest33-21ksoftirqd/209:59:292
11676992923,4cyclictest33-21ksoftirqd/209:38:352
11676992923,4cyclictest33-21ksoftirqd/208:51:452
11676992923,4cyclictest33-21ksoftirqd/208:15:432
11676992923,4cyclictest33-21ksoftirqd/208:01:592
11675992923,4cyclictest25-21ksoftirqd/112:37:091
11675992923,4cyclictest25-21ksoftirqd/111:46:511
11675992923,4cyclictest25-21ksoftirqd/108:29:431
11674992924,3cyclictest9-21ksoftirqd/012:09:080
11674992924,3cyclictest9-21ksoftirqd/009:11:040
11674992924,3cyclictest9-21ksoftirqd/009:11:040
11674992923,3cyclictest9-21ksoftirqd/010:05:100
57898280,4rtkit-daemon6463-21df_inode12:35:170
139391280,5ptp4l1167799cyclictest09:10:483
139391280,5ptp4l1167799cyclictest09:10:483
11677992823,3cyclictest41-21ksoftirqd/310:27:503
11675992823,3cyclictest25-21ksoftirqd/107:32:361
11674992823,3cyclictest9-21ksoftirqd/007:45:140
11674992822,4cyclictest9-21ksoftirqd/012:11:410
11674992822,4cyclictest9-21ksoftirqd/011:45:100
11674992822,4cyclictest9-21ksoftirqd/009:56:540
11674992822,4cyclictest9-21ksoftirqd/008:41:330
11674992822,4cyclictest9-21ksoftirqd/007:55:590
139391270,0ptp4l401ktimersoftd/312:13:403
11677992723,3cyclictest41-21ksoftirqd/311:20:183
11677992722,3cyclictest41-21ksoftirqd/310:58:193
11676992721,4cyclictest33-21ksoftirqd/207:16:212
11675992722,3cyclictest25-21ksoftirqd/112:12:541
11675992722,3cyclictest25-21ksoftirqd/110:55:121
11675992722,3cyclictest25-21ksoftirqd/110:20:161
11675992722,3cyclictest25-21ksoftirqd/107:40:391
11675992721,4cyclictest25-21ksoftirqd/109:51:291
11675992721,4cyclictest25-21ksoftirqd/107:28:371
11674992724,2cyclictest9-21ksoftirqd/008:20:000
11674992722,3cyclictest9-21ksoftirqd/012:25:180
11674992722,3cyclictest9-21ksoftirqd/009:29:310
11674992721,4cyclictest9-21ksoftirqd/008:51:550
11674992721,4cyclictest9-21ksoftirqd/007:51:540
11677992621,3cyclictest41-21ksoftirqd/309:26:063
11676992621,3cyclictest33-21ksoftirqd/208:28:202
11676992621,3cyclictest33-21ksoftirqd/207:21:072
11676992620,4cyclictest33-21ksoftirqd/208:07:212
11675992621,3cyclictest25-21ksoftirqd/111:15:211
11674992621,3cyclictest9-21ksoftirqd/010:01:470
11674992621,3cyclictest9-21ksoftirqd/009:20:560
11674992621,3cyclictest9-21ksoftirqd/008:04:160
11676992520,3cyclictest33-21ksoftirqd/212:20:062
11676992520,3cyclictest33-21ksoftirqd/207:48:192
11675992520,3cyclictest25-21ksoftirqd/111:21:021
11675992520,3cyclictest25-21ksoftirqd/111:05:261
11674992521,2cyclictest9-21ksoftirqd/009:05:000
11676992418,4cyclictest33-21ksoftirqd/211:00:192
11675992419,3cyclictest25-21ksoftirqd/111:15:001
11675992319,3cyclictest25-21ksoftirqd/108:35:181
11674992217,3cyclictest9-21ksoftirqd/010:10:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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