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2026-08-26 - 23:21
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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 Wed Aug 26, 2026 12:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491229165,52phc2sys0-21swapper/307:05:403
182162206173,22sleep20-21swapper/207:08:152
180432204171,22sleep10-21swapper/107:06:041
180522203171,22sleep00-21swapper/007:06:120
167221690,21sleep21864799cyclictest09:55:222
788821550,6sleep31864899cyclictest10:10:123
57898930,71rtkit-daemon0-21swapper/007:10:010
1864799661,63cyclictest28655-21kworker/2:211:15:332
1835326535,22sleep30-21swapper/307:10:013
1864599591,22cyclictest4240-21/usr/sbin/munin07:45:190
1864599590,20cyclictest2726-21latency08:50:200
1864599570,19cyclictest20514-21awk11:40:280
309572510,2sleep00-21swapper/010:55:260
1864799490,46cyclictest12993-21tr11:25:242
308712470,2sleep20-21swapper/208:40:262
139391470,1ptp4l0-21swapper/311:05:423
18646994617,27cyclictest0-21swapper/107:11:231
18646994540,3cyclictest25692-21sh11:55:001
18646994214,27cyclictest0-21swapper/110:40:131
1864699418,3cyclictest26487-21seq10:47:401
18648994035,3cyclictest41-21ksoftirqd/311:00:003
18647994031,6cyclictest33-21ksoftirqd/211:55:002
18647994016,22cyclictest0-21swapper/212:07:232
139391400,0ptp4l401ktimersoftd/309:10:203
18648993935,2cyclictest14674-21cron12:40:003
18648993934,3cyclictest41-21ksoftirqd/309:29:593
1864699390,37cyclictest0-21swapper/107:42:541
139391390,1ptp4l401ktimersoftd/307:21:343
18648993834,2cyclictest41-21ksoftirqd/311:50:003
18648993834,2cyclictest41-21ksoftirqd/310:25:003
18648993834,2cyclictest41-21ksoftirqd/309:25:003
1864899383,3cyclictest41-21ksoftirqd/307:59:593
18648993833,3cyclictest41-21ksoftirqd/309:55:003
18648993833,3cyclictest41-21ksoftirqd/309:00:003
18648993827,9cyclictest41-21ksoftirqd/310:15:183
18647993832,4cyclictest33-21ksoftirqd/211:15:012
18647993831,5cyclictest33-21ksoftirqd/210:15:012
18647993818,18cyclictest33-21ksoftirqd/209:23:172
18647993818,18cyclictest31428-21apt-get11:00:042
18647993818,18cyclictest31428-21apt-get11:00:032
1864799381,34cyclictest14523-1kworker/2:2H10:50:002
134491380,6getstats1864899cyclictest11:10:223
18648993733,2cyclictest41-21ksoftirqd/311:40:003
18648993733,2cyclictest41-21ksoftirqd/311:19:593
18648993732,3cyclictest41-21ksoftirqd/309:35:193
18647993731,3cyclictest33-21ksoftirqd/210:18:582
1864599370,19cyclictest0-21swapper/008:20:150
18648993631,3cyclictest41-21ksoftirqd/312:15:013
18648993631,3cyclictest41-21ksoftirqd/307:35:183
18648993630,4cyclictest41-21ksoftirqd/312:02:473
18648993630,4cyclictest41-21ksoftirqd/312:02:473
18648993630,4cyclictest41-21ksoftirqd/308:27:553
18647993630,4cyclictest33-21ksoftirqd/209:14:152
18647993630,4cyclictest33-21ksoftirqd/209:06:122
1864799360,9cyclictest207-21systemd-journal09:42:212
18646993630,4cyclictest25-21ksoftirqd/112:00:301
18646993630,4cyclictest25-21ksoftirqd/112:00:301
18646993614,19cyclictest10555-21df_abs10:15:131
1864699361,31cyclictest21234-21find08:20:231
18645993630,4cyclictest9-21ksoftirqd/010:52:370
18648993531,3cyclictest41-21ksoftirqd/307:40:203
18648993531,2cyclictest41-21ksoftirqd/312:00:003
18648993530,3cyclictest41-21ksoftirqd/310:10:003
18648993530,3cyclictest41-21ksoftirqd/308:40:183
18648993530,3cyclictest41-21ksoftirqd/308:19:593
18647993530,3cyclictest33-21ksoftirqd/209:47:102
18647993529,4cyclictest33-21ksoftirqd/212:36:052
1864799352,30cyclictest7562-21wc09:00:202
18647993512,20cyclictest7393-21seq12:22:522
18647993510,22cyclictest12628-21/usr/sbin/munin10:20:162
1864799350,3cyclictest13670-1kworker/2:0H11:45:012
1864699359,23cyclictest417-21/usr/sbin/munin09:55:231
1864699355,29cyclictest0-21swapper/111:15:431
18646993530,3cyclictest25-21ksoftirqd/110:55:011
18646993530,3cyclictest25-21ksoftirqd/110:30:181
18646993529,4cyclictest25-21ksoftirqd/112:28:421
18646993529,4cyclictest25-21ksoftirqd/112:18:511
18646993529,4cyclictest25-21ksoftirqd/109:27:141
18646993529,4cyclictest25-21ksoftirqd/107:46:051
18646993529,4cyclictest25-21ksoftirqd/107:21:381
18645993529,3cyclictest10013-21sh10:15:010
18648993430,3cyclictest41-21ksoftirqd/309:30:103
18648993430,3cyclictest41-21ksoftirqd/307:45:193
18648993430,2cyclictest41-21ksoftirqd/308:13:583
18648993429,3cyclictest41-21ksoftirqd/310:30:183
18648993429,3cyclictest41-21ksoftirqd/310:01:213
18648993429,3cyclictest41-21ksoftirqd/309:01:333
18648993428,4cyclictest41-21ksoftirqd/311:51:293
18648993428,4cyclictest41-21ksoftirqd/310:35:473
18648993428,4cyclictest41-21ksoftirqd/310:25:133
18648993428,4cyclictest41-21ksoftirqd/308:05:123
18648993423,9cyclictest41-21ksoftirqd/308:20:263
18647993429,3cyclictest33-21ksoftirqd/212:30:582
18647993429,3cyclictest33-21ksoftirqd/212:30:582
18647993428,4cyclictest33-21ksoftirqd/211:22:202
18647993428,4cyclictest33-21ksoftirqd/210:54:122
18647993428,4cyclictest33-21ksoftirqd/208:51:042
18647993428,3cyclictest33-21ksoftirqd/210:06:132
18647993427,5cyclictest33-21ksoftirqd/208:36:042
18647993412,20cyclictest28737-21df_abs07:30:142
18647993412,19cyclictest19012-21cat10:30:272
18647993411,20cyclictest10921-21if_enp4s008:00:172
18647993411,20cyclictest10921-21if_enp4s008:00:162
18647993410,21cyclictest5445-21ls07:49:592
18647993410,21cyclictest23048-21cut08:25:182
18646993429,3cyclictest25-21ksoftirqd/109:00:111
18646993428,4cyclictest25-21ksoftirqd/112:24:051
18646993428,4cyclictest25-21ksoftirqd/111:59:341
18646993428,4cyclictest25-21ksoftirqd/111:46:181
18646993428,4cyclictest25-21ksoftirqd/111:38:481
18646993428,4cyclictest25-21ksoftirqd/110:59:041
18646993428,4cyclictest25-21ksoftirqd/110:35:331
18646993428,4cyclictest25-21ksoftirqd/109:49:281
18646993428,4cyclictest25-21ksoftirqd/109:22:251
18646993428,4cyclictest25-21ksoftirqd/109:08:531
18646993428,4cyclictest25-21ksoftirqd/108:47:261
18646993428,4cyclictest25-21ksoftirqd/107:59:441
18646993428,4cyclictest25-21ksoftirqd/107:28:061
1864699341,30cyclictest0-21swapper/111:00:131
1864699341,30cyclictest0-21swapper/111:00:131
18645993429,3cyclictest9-21ksoftirqd/010:45:130
18645993428,4cyclictest9-21ksoftirqd/012:01:090
18645993428,4cyclictest9-21ksoftirqd/012:01:090
18645993428,4cyclictest9-21ksoftirqd/011:22:340
18645993428,4cyclictest9-21ksoftirqd/009:28:320
18645993428,4cyclictest9-21ksoftirqd/008:18:330
18645993428,4cyclictest9-21ksoftirqd/007:22:130
18645993428,3cyclictest9-21ksoftirqd/007:35:010
18645993427,4cyclictest9-21ksoftirqd/011:45:130
134491340,1getstats1392-1kworker/3:2H09:40:213
18648993329,3cyclictest41-21ksoftirqd/311:20:193
18648993329,3cyclictest41-21ksoftirqd/308:35:013
18648993329,3cyclictest41-21ksoftirqd/308:35:013
18648993329,3cyclictest41-21ksoftirqd/307:15:193
18648993327,4cyclictest41-21ksoftirqd/312:17:293
1864799339,3cyclictest15166-21cpuspeed_turbos08:10:142
18647993328,3cyclictest33-21ksoftirqd/212:26:132
18647993328,3cyclictest33-21ksoftirqd/209:52:112
18647993327,4cyclictest33-21ksoftirqd/212:04:052
18647993327,4cyclictest33-21ksoftirqd/212:04:042
18647993327,4cyclictest33-21ksoftirqd/209:32:562
18647993327,4cyclictest33-21ksoftirqd/207:58:492
18647993327,4cyclictest33-21ksoftirqd/207:52:322
18647993327,4cyclictest33-21ksoftirqd/207:23:152
18647993327,4cyclictest33-21ksoftirqd/207:11:192
1864799331,13cyclictest0-21swapper/208:20:152
18647993310,21cyclictest5476-21gzip08:55:252
18646993329,3cyclictest25-21ksoftirqd/111:44:041
18646993328,3cyclictest25-21ksoftirqd/112:39:551
18646993328,3cyclictest25-21ksoftirqd/107:52:081
18646993327,4cyclictest25-21ksoftirqd/108:15:321
18645993328,3cyclictest9-21ksoftirqd/012:39:200
18645993328,3cyclictest9-21ksoftirqd/012:30:000
18645993328,3cyclictest9-21ksoftirqd/011:59:580
18645993328,3cyclictest9-21ksoftirqd/007:55:110
18645993327,4cyclictest9-21ksoftirqd/012:21:470
18645993327,4cyclictest9-21ksoftirqd/010:23:290
18645993327,4cyclictest9-21ksoftirqd/009:30:530
18648993228,3cyclictest41-21ksoftirqd/308:00:183
18648993228,3cyclictest41-21ksoftirqd/308:00:183
18648993227,3cyclictest41-21ksoftirqd/311:40:193
18648993227,3cyclictest41-21ksoftirqd/311:27:413
18648993227,3cyclictest41-21ksoftirqd/310:40:253
18648993227,3cyclictest41-21ksoftirqd/308:47:413
18648993226,4cyclictest41-21ksoftirqd/312:30:053
18648993226,4cyclictest41-21ksoftirqd/312:30:053
18648993226,4cyclictest41-21ksoftirqd/310:50:373
18648993226,4cyclictest41-21ksoftirqd/310:45:463
18648993226,4cyclictest41-21ksoftirqd/308:40:003
18648993226,4cyclictest41-21ksoftirqd/307:33:263
18648993226,4cyclictest41-21ksoftirqd/307:26:443
1864799329,3cyclictest24832-21cat08:30:122
1864799329,3cyclictest24832-21cat08:30:122
1864799329,20cyclictest20293-21fschecks_time10:35:182
1864799329,20cyclictest16306-21ptp4l10:25:242
1864799328,4cyclictest17865-21grep08:15:162
1864799328,21cyclictest0-21swapper/211:30:112
1864799328,21cyclictest0-21swapper/211:30:112
1864799323,28cyclictest17103-21kworker/2:211:36:262
18647993226,4cyclictest33-21ksoftirqd/207:35:012
1864799322,29cyclictest28655-21kworker/2:210:55:252
18647993210,19cyclictest23315-21chrt10:40:202
1864699329,3cyclictest26226-21sed08:30:261
1864699329,3cyclictest26226-21sed08:30:261
18646993227,3cyclictest25-21ksoftirqd/111:05:261
18646993227,3cyclictest25-21ksoftirqd/109:12:251
18646993227,3cyclictest25-21ksoftirqd/108:00:121
18646993227,3cyclictest25-21ksoftirqd/108:00:111
18646993226,4cyclictest25-21ksoftirqd/112:07:401
18646993226,4cyclictest25-21ksoftirqd/111:12:081
18646993226,4cyclictest25-21ksoftirqd/110:00:591
18646993226,4cyclictest25-21ksoftirqd/108:58:301
18646993226,4cyclictest25-21ksoftirqd/108:26:321
18645993227,3cyclictest9-21ksoftirqd/007:16:500
18645993226,4cyclictest9-21ksoftirqd/011:25:430
18645993226,4cyclictest9-21ksoftirqd/009:46:340
18645993214,15cyclictest500-21cut12:10:010
18645993212,17cyclictest8882-21/usr/sbin/munin09:05:240
18648993126,3cyclictest41-21ksoftirqd/311:00:203
18648993126,3cyclictest41-21ksoftirqd/311:00:203
18648993126,3cyclictest41-21ksoftirqd/309:55:143
18648993126,3cyclictest41-21ksoftirqd/309:15:143
1864799319,3cyclictest21190-21ls07:15:132
1864799319,3cyclictest13824-21cpuspeed_turbos09:15:132
1864799317,3cyclictest2578-21irqrtprio11:05:202
1864799316,23cyclictest17103-21kworker/2:211:46:492
1864799315,24cyclictest17103-21kworker/2:212:18:132
18647993126,3cyclictest33-21ksoftirqd/211:57:082
18647993126,3cyclictest33-21ksoftirqd/207:26:432
1864799312,5cyclictest18393-21apt-get09:25:132
1864699318,4cyclictest30556-21sh07:35:001
1864699318,3cyclictest12389-21cut11:25:171
18646993126,3cyclictest25-21ksoftirqd/108:51:541
18646993125,4cyclictest25-21ksoftirqd/107:38:551
18645993126,3cyclictest9-21ksoftirqd/011:30:100
18645993126,3cyclictest9-21ksoftirqd/011:30:090
18645993125,4cyclictest9-21ksoftirqd/011:13:560
18645993125,4cyclictest9-21ksoftirqd/010:37:250
18645993125,4cyclictest9-21ksoftirqd/009:59:100
18645993112,16cyclictest16520-21timerandwakeup10:25:270
1864599310,15cyclictest0-21swapper/011:50:250
18648993026,3cyclictest41-21ksoftirqd/312:25:173
18648993026,3cyclictest41-21ksoftirqd/312:06:583
18648993026,3cyclictest41-21ksoftirqd/311:30:173
18648993026,3cyclictest41-21ksoftirqd/311:30:173
18648993026,3cyclictest41-21ksoftirqd/309:45:143
18648993025,3cyclictest41-21ksoftirqd/307:50:323
18647993025,3cyclictest33-21ksoftirqd/210:03:392
1864799301,5cyclictest25544-21systemctl09:40:012
1864699308,3cyclictest21232-21cat09:30:121
1864699308,3cyclictest13041-21df_abs08:05:151
1864699307,4cyclictest15148-21cpuspeed_turbos10:25:151
1864699302,5cyclictest0-21swapper/112:30:111
1864699302,5cyclictest0-21swapper/112:30:111
18646993025,3cyclictest25-21ksoftirqd/108:13:581
18646993024,4cyclictest25-21ksoftirqd/111:24:561
18646993024,4cyclictest25-21ksoftirqd/110:14:031
18646993024,4cyclictest25-21ksoftirqd/109:36:441
18645993025,3cyclictest9-21ksoftirqd/010:19:150
18645993025,3cyclictest9-21ksoftirqd/009:20:180
18645993024,4cyclictest9-21ksoftirqd/012:16:580
18645993024,4cyclictest9-21ksoftirqd/010:41:190
18645993024,4cyclictest9-21ksoftirqd/010:09:460
18645993024,4cyclictest9-21ksoftirqd/009:04:220
18645993024,4cyclictest9-21ksoftirqd/008:38:190
18645993024,4cyclictest9-21ksoftirqd/008:13:390
18645993024,4cyclictest9-21ksoftirqd/008:03:210
18645993024,4cyclictest9-21ksoftirqd/008:03:200
18645993024,4cyclictest9-21ksoftirqd/007:53:090
18645993012,15cyclictest12838-21timerwakeupswit09:10:250
18645993011,16cyclictest2087-21ptp4l07:40:240
18648992924,3cyclictest41-21ksoftirqd/309:10:003
1864699292,5cyclictest0-21swapper/112:10:141
1864699292,4cyclictest0-21swapper/109:50:121
18646992924,3cyclictest25-21ksoftirqd/109:43:171
18646992923,4cyclictest25-21ksoftirqd/111:32:301
18646992923,4cyclictest25-21ksoftirqd/111:32:301
18645992924,3cyclictest9-21ksoftirqd/012:11:240
18645992923,4cyclictest9-21ksoftirqd/009:54:520
18645992923,4cyclictest9-21ksoftirqd/009:41:540
18645992923,4cyclictest9-21ksoftirqd/009:16:580
18645992923,4cyclictest9-21ksoftirqd/008:05:480
18645992923,4cyclictest9-21ksoftirqd/007:27:380
18645992913,13cyclictest17935-21if_enp1s010:30:170
139391290,0ptp4l401ktimersoftd/308:52:373
18648992822,4cyclictest41-21ksoftirqd/312:21:543
1864799285,2cyclictest0-21swapper/208:05:222
18647992823,3cyclictest33-21ksoftirqd/208:49:362
18646992823,3cyclictest25-21ksoftirqd/108:43:391
18646992822,4cyclictest25-21ksoftirqd/110:23:591
1864699280,26cyclictest0-21swapper/107:15:021
18645992823,3cyclictest9-21ksoftirqd/008:34:550
18645992823,3cyclictest9-21ksoftirqd/008:34:550
18645992822,4cyclictest9-21ksoftirqd/011:36:580
18645992822,4cyclictest9-21ksoftirqd/011:16:010
18645992822,4cyclictest9-21ksoftirqd/007:37:410
18645992811,15cyclictest1317-21runrttasks08:44:350
18645992810,16cyclictest5200-21cut10:05:000
1864799275,3cyclictest2164-21mailstats07:40:242
18646992722,3cyclictest25-21ksoftirqd/108:37:241
18645992721,4cyclictest9-21ksoftirqd/008:27:040
1864799262,21cyclictest0-21swapper/212:10:272
18646992620,4cyclictest25-21ksoftirqd/110:07:251
18645992610,14cyclictest1317-21runrttasks11:04:480
18645992610,14cyclictest1317-21runrttasks11:04:470
18645992610,13cyclictest4348-21cstates08:55:140
1864599256,17cyclictest25543-21dump-pmu-power09:40:010
1864599251,21cyclictest3620-21sed11:05:280
1864599251,18cyclictest10189-21apt-get12:30:110
1864599251,18cyclictest10189-21apt-get12:30:110
1864599250,22cyclictest647-21gunzip08:45:230
1864699242,5cyclictest15048-21python09:15:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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