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2025-12-07 - 22:49
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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 376 highest latencies:
System rackcslot6.osadl.org (updated Sun Dec 07, 2025 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
259478224100,6sleep30-21swapper/307:05:133
25956292140121,17sleep70-21swapper/707:05:177
25975479910940,36cyclictest0-21swapper/009:58:150
25976009910333,35cyclictest0-21swapper/708:03:147
2597600999417,42cyclictest0-21swapper/708:28:147
259714628743,13sleep40-21swapper/407:06:514
2597547998617,39cyclictest0-21swapper/011:08:150
2597547998615,38cyclictest0-21swapper/010:58:150
2597600998518,35cyclictest0-21swapper/710:33:167
2597600998416,36cyclictest0-21swapper/711:18:157
2597600998416,36cyclictest0-21swapper/708:48:147
2597547998416,39cyclictest0-21swapper/012:38:150
2597547998316,37cyclictest0-21swapper/012:18:150
2597547998316,37cyclictest0-21swapper/012:18:150
2597600998216,34cyclictest0-21swapper/708:38:147
2597600998214,36cyclictest0-21swapper/712:28:167
27148392810,0sleep30-21swapper/310:15:133
259756499814,46cyclictest28-21ksoftirqd/207:28:142
259731728143,13sleep50-21swapper/507:09:175
27620952800,1sleep335-21ksoftirqd/311:30:193
2597587998016,35cyclictest0-21swapper/511:28:155
27597732790,0sleep60-21swapper/611:25:266
2597587997815,35cyclictest0-21swapper/507:18:145
26829962750,1sleep121-21ksoftirqd/109:25:141
27985782730,0sleep60-21swapper/612:30:126
259737027145,13sleep60-21swapper/607:10:006
259729227142,23sleep00-21swapper/007:08:570
216999710,51rtkit-daemon0-21swapper/107:08:141
259727626842,13sleep20-21swapper/207:08:422
2597564995916,36cyclictest0-21swapper/209:38:152
2597600995315,12cyclictest0-21swapper/709:48:167
2597593994315,28cyclictest0-21swapper/610:08:166
2597593994025,15cyclictest0-21swapper/607:53:156
2597572993511,24cyclictest0-21swapper/308:21:583
2597580993410,24cyclictest0-21swapper/411:55:594
2597564993310,0cyclictest0-21swapper/207:22:582
259756499328,24cyclictest0-21swapper/209:29:582
259755499329,0cyclictest0-21swapper/109:00:591
259757299306,24cyclictest0-21swapper/310:39:583
2597572993014,14cyclictest0-21swapper/311:43:153
2597600992913,15cyclictest0-21swapper/711:58:157
2597600992913,15cyclictest0-21swapper/711:48:167
2597593992913,15cyclictest0-21swapper/608:43:156
259758799295,24cyclictest0-21swapper/511:33:585
2597554992913,15cyclictest0-21swapper/107:33:141
259754799295,24cyclictest0-21swapper/010:36:580
2597547992913,15cyclictest0-21swapper/010:28:150
2597600992812,15cyclictest0-21swapper/712:13:167
2597593992812,15cyclictest0-21swapper/608:58:156
259758099284,24cyclictest0-21swapper/409:15:584
259758099284,24cyclictest0-21swapper/409:15:584
259755499284,24cyclictest0-21swapper/110:54:581
259755499282,24cyclictest0-21swapper/109:05:341
2597554992812,15cyclictest0-21swapper/109:53:151
2597554992812,15cyclictest0-21swapper/109:43:151
2597547992812,15cyclictest0-21swapper/008:53:140
2597600992711,15cyclictest0-21swapper/708:18:157
2597593992711,15cyclictest0-21swapper/611:33:166
2597587992711,15cyclictest0-21swapper/512:08:155
2597572992711,15cyclictest0-21swapper/310:43:153
259757299262,24cyclictest0-21swapper/309:42:593
2597554992610,15cyclictest0-21swapper/109:33:151
2597547992610,15cyclictest0-21swapper/011:38:150
2597547992610,15cyclictest0-21swapper/009:08:150
259760099259,15cyclictest0-21swapper/711:03:167
259760099259,15cyclictest0-21swapper/710:53:157
259757299251,24cyclictest0-21swapper/312:32:583
259757299251,24cyclictest0-21swapper/307:57:593
259755499259,15cyclictest0-21swapper/111:23:151
27794802240,0sleep30-21swapper/312:00:143
259760099248,15cyclictest0-21swapper/709:18:157
259760099248,15cyclictest0-21swapper/709:18:157
259760099248,15cyclictest0-21swapper/707:13:147
2597600992416,7cyclictest0-21swapper/710:23:157
259759399248,15cyclictest0-21swapper/608:23:146
2597572992423,1cyclictest2107-21gnome-shell11:08:583
259755499248,15cyclictest21-21ksoftirqd/107:23:151
27097682230,0sleep00-21swapper/010:05:260
259760099230,23cyclictest0-21swapper/709:02:217
2597580992321,1cyclictest2107-21gnome-shell11:38:594
2597580992321,1cyclictest2107-21gnome-shell09:23:594
2597572992322,1cyclictest2107-21gnome-shell09:46:583
259756499237,15cyclictest0-21swapper/208:33:142
2597547992322,1cyclictest2107-21gnome-shell11:55:580
259759399226,15cyclictest0-21swapper/612:23:156
2597580992220,1cyclictest2107-21gnome-shell08:27:584
2597572992220,1cyclictest2107-21gnome-shell09:55:583
2597564992214,7cyclictest0-21swapper/210:48:162
2597564992213,1cyclictest0-21swapper/207:58:142
259754799226,15cyclictest0-21swapper/010:18:150
26775682210,0sleep30-21swapper/309:15:153
26775682210,0sleep30-21swapper/309:15:153
2597580992120,1cyclictest2107-21gnome-shell12:35:584
259755499217,4cyclictest21-21ksoftirqd/108:13:141
26206932200,0sleep30-21swapper/307:45:123
26206932200,0sleep30-21swapper/307:45:113
2597593992019,1cyclictest0-21swapper/608:26:596
2597580992019,1cyclictest0-21swapper/410:32:594
2597580992019,1cyclictest0-21swapper/407:52:584
2597580992018,1cyclictest2107-21gnome-shell08:36:584
2597572992020,0cyclictest0-21swapper/308:54:593
259760099193,15cyclictest0-21swapper/707:38:157
2597580991918,1cyclictest0-21swapper/409:28:594
259755499193,15cyclictest0-21swapper/109:13:161
259760099182,15cyclictest0-21swapper/710:03:157
259757299182,14cyclictest0-21swapper/309:23:153
2597572991818,0cyclictest0-21swapper/307:31:053
2597564991818,0cyclictest0-21swapper/208:55:372
2597564991817,1cyclictest2107-21gnome-shell10:37:592
259755499182,5cyclictest121rcu_preempt10:36:091
259755499182,1cyclictest121rcu_preempt11:10:311
2597547991817,1cyclictest2107-21gnome-shell09:15:580
2597547991817,1cyclictest2107-21gnome-shell09:15:580
259760099175,12cyclictest0-21swapper/709:28:167
2597580991715,1cyclictest2107-21gnome-shell10:48:584
2597580991715,1cyclictest2107-21gnome-shell08:59:584
2597572991717,0cyclictest0-21swapper/311:36:583
2597572991717,0cyclictest0-21swapper/308:46:583
2597572991716,1cyclictest0-21swapper/311:53:153
259756499171,1cyclictest0-21swapper/207:48:152
259756499171,1cyclictest0-21swapper/207:48:142
2597554991716,1cyclictest2107-21gnome-shell08:48:591
2597554991716,1cyclictest2107-21gnome-shell07:55:581
2597554991713,4cyclictest45750irq/170-nvme0q207:48:201
2597554991713,4cyclictest45750irq/170-nvme0q207:48:201
259760099160,1cyclictest0-21swapper/710:13:157
259758799160,16cyclictest0-21swapper/512:04:595
2597580991615,1cyclictest0-21swapper/412:10:594
259758099160,0cyclictest0-21swapper/411:05:204
259757299164,11cyclictest0-21swapper/311:13:153
2597572991615,1cyclictest2107-21gnome-shell07:41:583
2597554991616,0cyclictest0-21swapper/112:34:581
2597554991615,1cyclictest2107-21gnome-shell12:02:591
2597547991615,1cyclictest10-21ksoftirqd/007:16:130
259754799161,1cyclictest121rcu_preempt11:25:240
216999160,1rtkit-daemon937-21lldpd07:52:185
2597593991514,1cyclictest56-21ksoftirqd/610:34:146
2597580991514,1cyclictest0-21swapper/410:09:584
2597580991513,1cyclictest0-21swapper/409:57:584
259758099150,14cyclictest0-21swapper/412:16:444
259758099150,14cyclictest0-21swapper/412:16:444
2597572991514,1cyclictest2107-21gnome-shell07:53:593
259756499150,15cyclictest0-21swapper/211:15:022
2597547991515,0cyclictest0-21swapper/009:40:580
216999150,1rtkit-daemon2168-21rtkit-daemon08:30:545
216999150,0rtkit-daemon2168-21rtkit-daemon10:22:265
26281302140,2sleep7259760099cyclictest07:55:167
2597580991413,1cyclictest0-21swapper/410:40:174
2597580991413,1cyclictest0-21swapper/409:03:154
259758099141,1cyclictest0-21swapper/410:51:094
259758099140,1cyclictest0-21swapper/410:10:214
259758099140,14cyclictest0-21swapper/411:46:194
259758099140,13cyclictest0-21swapper/407:55:144
259758099140,0cyclictest0-21swapper/408:34:164
259757299148,5cyclictest845-21rngd12:22:103
2597572991413,1cyclictest2107-21gnome-shell09:51:583
2597572991413,1cyclictest2107-21gnome-shell09:34:583
2597547991413,1cyclictest0-21swapper/007:31:590
2597547991411,1cyclictest10-21ksoftirqd/011:00:170
259754799140,13cyclictest0-21swapper/007:15:000
2597600991312,1cyclictest0-21swapper/708:50:187
259759399139,2cyclictest937-21lldpd10:11:216
2597593991313,0cyclictest0-21swapper/608:33:586
259758799130,13cyclictest0-21swapper/511:51:095
2597580991311,2cyclictest0-21swapper/407:39:194
259758099130,1cyclictest0-21swapper/410:38:134
259758099130,1cyclictest0-21swapper/407:19:594
259758099130,13cyclictest0-21swapper/409:14:364
259758099130,13cyclictest0-21swapper/408:50:324
259758099130,11cyclictest0-21swapper/411:00:194
2597564991313,0cyclictest0-21swapper/207:35:362
2597564991312,1cyclictest2107-21gnome-shell08:04:582
259755499133,2cyclictest121rcu_preempt12:10:231
2597554991310,2cyclictest21-21ksoftirqd/110:40:121
259755499130,2cyclictest121rcu_preempt10:30:111
259755499130,1cyclictest121rcu_preempt10:05:091
2597547991312,1cyclictest10-21ksoftirqd/010:50:010
2597547991312,1cyclictest0-21swapper/008:00:580
2597547991311,1cyclictest2107-21gnome-shell08:40:580
216999130,0rtkit-daemon0-21swapper/507:41:101
26629642120,0sleep20-21swapper/208:50:232
2597600991212,0cyclictest0-21swapper/707:49:587
2597600991212,0cyclictest0-21swapper/707:49:587
2597593991212,0cyclictest0-21swapper/608:18:586
259758799123,6cyclictest871-21nscd11:10:305
2597587991212,0cyclictest0-21swapper/510:40:265
2597587991212,0cyclictest0-21swapper/510:30:115
2597587991212,0cyclictest0-21swapper/509:24:005
259758799120,12cyclictest0-21swapper/509:39:575
259758799120,12cyclictest0-21swapper/508:44:005
259758799120,12cyclictest0-21swapper/507:24:485
259758799120,0cyclictest0-21swapper/508:00:255
259758099124,8cyclictest0-21swapper/407:43:154
259758099122,6cyclictest2621582-21fschecks_time07:45:134
259758099122,6cyclictest2621582-21fschecks_time07:45:134
2597580991210,2cyclictest0-21swapper/411:51:514
2597580991210,2cyclictest0-21swapper/409:47:274
259758099120,2cyclictest2795811-21fschecks_time12:25:154
259758099120,1cyclictest0-21swapper/410:30:004
259757299120,12cyclictest0-21swapper/312:08:103
259756499122,6cyclictest912-21gdbus12:27:352
2597564991212,0cyclictest0-21swapper/211:09:592
2597564991212,0cyclictest0-21swapper/209:06:592
2597564991212,0cyclictest0-21swapper/209:00:582
2597564991211,1cyclictest0-21swapper/211:21:282
2597564991211,1cyclictest0-21swapper/208:45:322
259756499120,12cyclictest0-21swapper/211:27:002
259756499120,0cyclictest0-21swapper/208:44:142
259755499126,5cyclictest868-21nscd11:30:491
259755499120,1cyclictest121rcu_preempt11:45:001
259755499120,11cyclictest0-21swapper/109:22:311
259754799121,3cyclictest121rcu_preempt09:30:160
2597547991211,1cyclictest10-21ksoftirqd/007:40:140
216999120,7rtkit-daemon0-21swapper/508:06:205
216999120,0rtkit-daemon0-21swapper/508:09:421
216999120,0rtkit-daemon0-21swapper/507:25:211
216999120,0rtkit-daemon0-21swapper/112:19:385
216999120,0rtkit-daemon0-21swapper/112:19:385
216999120,0rtkit-daemon0-21swapper/109:30:215
216999120,0rtkit-daemon0-21swapper/108:19:065
2597600991111,0cyclictest0-21swapper/710:40:137
2597600991111,0cyclictest0-21swapper/710:29:597
2597600991111,0cyclictest0-21swapper/710:05:557
259760099110,11cyclictest0-21swapper/709:24:277
259760099110,11cyclictest0-21swapper/709:12:257
259760099110,11cyclictest0-21swapper/708:14:527
2597593991110,1cyclictest2107-21gnome-shell08:10:586
259759399110,11cyclictest0-21swapper/612:35:256
259759399110,11cyclictest0-21swapper/612:29:146
259759399110,11cyclictest0-21swapper/607:40:176
259759399110,11cyclictest0-21swapper/607:34:356
259759399110,0cyclictest0-21swapper/612:00:276
259758799112,6cyclictest829-21irqbalance12:11:225
2597587991111,0cyclictest0-21swapper/510:11:005
259758799110,11cyclictest0-21swapper/512:25:385
259758799110,11cyclictest0-21swapper/511:48:235
259758799110,11cyclictest0-21swapper/511:19:175
259758799110,11cyclictest0-21swapper/510:47:555
259758799110,0cyclictest0-21swapper/512:20:065
259758099119,2cyclictest0-21swapper/408:03:324
259758099113,5cyclictest986-21runrttasks08:40:064
259758099112,7cyclictest2640285-21cut08:15:164
259758099111,4cyclictest0-21swapper/408:08:154
2597580991111,0cyclictest0-21swapper/411:28:154
259758099110,6cyclictest2799444-21latency12:30:224
259758099110,1cyclictest0-21swapper/412:05:244
259758099110,1cyclictest0-21swapper/409:35:144
259758099110,11cyclictest0-21swapper/411:17:124
259758099110,11cyclictest0-21swapper/410:58:214
259758099110,11cyclictest0-21swapper/409:41:164
259758099110,11cyclictest0-21swapper/408:11:124
259758099110,11cyclictest0-21swapper/407:13:084
259757299113,4cyclictest986-21runrttasks12:25:173
2597572991111,0cyclictest0-21swapper/309:08:293
259757299110,11cyclictest0-21swapper/310:53:523
259757299110,11cyclictest0-21swapper/310:14:113
259756499113,6cyclictest890-21gmain08:25:222
259756499111,9cyclictest0-21swapper/209:12:362
2597564991111,0cyclictest0-21swapper/212:10:052
2597564991111,0cyclictest0-21swapper/211:41:382
2597564991110,1cyclictest0-21swapper/212:24:342
2597564991110,1cyclictest0-21swapper/210:52:022
2597564991110,1cyclictest0-21swapper/210:30:052
259756499110,11cyclictest0-21swapper/211:39:312
259756499110,11cyclictest0-21swapper/210:26:412
259756499110,11cyclictest0-21swapper/209:47:192
259756499110,11cyclictest0-21swapper/209:16:252
259756499110,11cyclictest0-21swapper/209:16:252
259756499110,11cyclictest0-21swapper/208:13:212
259756499110,11cyclictest0-21swapper/207:53:302
259756499110,11cyclictest0-21swapper/207:17:432
259755499112,8cyclictest201rcuc/110:57:491
259755499111,9cyclictest0-21swapper/110:12:431
2597554991110,1cyclictest2107-21gnome-shell07:11:581
259755499110,11cyclictest0-21swapper/108:31:071
259755499110,0cyclictest0-21swapper/110:16:111
259755499110,0cyclictest0-21swapper/107:38:171
259755499110,0cyclictest0-21swapper/107:19:161
259754799119,1cyclictest10-21ksoftirqd/007:55:220
259754799111,7cyclictest121rcu_preempt10:33:250
259754799111,6cyclictest10-21ksoftirqd/007:48:190
259754799111,6cyclictest10-21ksoftirqd/007:48:180
2597547991111,0cyclictest0-21swapper/010:00:170
2597547991110,1cyclictest10-21ksoftirqd/011:45:200
2597547991110,1cyclictest10-21ksoftirqd/009:20:130
2597547991110,1cyclictest10-21ksoftirqd/008:35:130
2597547991110,1cyclictest0-21swapper/008:18:490
259754799110,11cyclictest0-21swapper/011:21:550
259754799110,11cyclictest0-21swapper/008:32:490
216999110,6rtkit-daemon823-21earlyoom09:01:425
216999110,1rtkit-daemon1107-21sendmail10:00:415
216999110,0rtkit-daemon0-21swapper/511:55:041
216999110,0rtkit-daemon0-21swapper/511:49:581
216999110,0rtkit-daemon0-21swapper/511:29:171
216999110,0rtkit-daemon0-21swapper/508:59:161
216999110,0rtkit-daemon0-21swapper/508:20:271
216999110,0rtkit-daemon0-21swapper/111:37:225
216999110,0rtkit-daemon0-21swapper/111:03:105
216999110,0rtkit-daemon0-21swapper/110:56:275
216999110,0rtkit-daemon0-21swapper/110:15:245
216999110,0rtkit-daemon0-21swapper/110:08:425
216999110,0rtkit-daemon0-21swapper/109:43:395
216999110,0rtkit-daemon0-21swapper/109:10:035
216999110,0rtkit-daemon0-21swapper/107:57:115
259760099109,1cyclictest0-21swapper/709:06:247
259760099106,1cyclictest937-21lldpd11:40:447
2597600991010,0cyclictest0-21swapper/712:20:047
2597600991010,0cyclictest0-21swapper/712:04:567
2597600991010,0cyclictest0-21swapper/710:16:197
2597600991010,0cyclictest0-21swapper/709:39:447
2597600991010,0cyclictest0-21swapper/709:31:077
259760099100,9cyclictest0-21swapper/709:42:397
259760099100,10cyclictest0-21swapper/711:09:297
259760099100,10cyclictest0-21swapper/707:41:427
259760099100,0cyclictest0-21swapper/711:39:157
259759399101,6cyclictest587-21systemd-journal07:40:006
2597593991010,0cyclictest0-21swapper/612:18:206
2597593991010,0cyclictest0-21swapper/612:18:206
2597593991010,0cyclictest0-21swapper/610:02:146
2597593991010,0cyclictest0-21swapper/608:36:426
2597593991010,0cyclictest0-21swapper/607:58:406
2597593991010,0cyclictest0-21swapper/607:46:376
2597593991010,0cyclictest0-21swapper/607:46:376
2597593991010,0cyclictest0-21swapper/607:14:566
259759399100,10cyclictest0-21swapper/609:52:396
259759399100,0cyclictest0-21swapper/611:54:166
259759399100,0cyclictest0-21swapper/611:19:106
259759399100,0cyclictest0-21swapper/610:23:326
259759399100,0cyclictest0-21swapper/609:37:416
259759399100,0cyclictest0-21swapper/609:26:286
259758799109,1cyclictest0-21swapper/509:48:135
2597587991010,0cyclictest0-21swapper/509:55:045
2597587991010,0cyclictest0-21swapper/508:45:185
2597587991010,0cyclictest0-21swapper/508:20:165
2597587991010,0cyclictest0-21swapper/507:32:275
259758099109,1cyclictest0-21swapper/411:14:264
259758099109,1cyclictest0-21swapper/410:21:554
259758099103,6cyclictest2782018-21latency_hist12:05:014
259758099103,6cyclictest2699111-21df_abs09:50:154
259758099103,5cyclictest937-21lldpd09:05:354
2597580991010,0cyclictest0-21swapper/407:24:024
259758099100,2cyclictest587-21systemd-journal12:25:014
259758099100,2cyclictest2769592-21awk11:45:014
259758099100,1cyclictest2707355-21perf10:04:594
259758099100,1cyclictest0-21swapper/408:20:234
259758099100,10cyclictest0-21swapper/411:22:444
259757299109,1cyclictest35-21ksoftirqd/308:55:223
2597572991010,0cyclictest0-21swapper/311:19:043
2597572991010,0cyclictest0-21swapper/310:57:263
2597572991010,0cyclictest0-21swapper/309:28:293
2597572991010,0cyclictest0-21swapper/309:03:073
2597572991010,0cyclictest0-21swapper/307:37:253
259757299100,10cyclictest0-21swapper/311:04:253
259757299100,0cyclictest0-21swapper/311:21:503
259757299100,0cyclictest0-21swapper/308:15:383
259757299100,0cyclictest0-21swapper/307:29:473
2597564991010,0cyclictest0-21swapper/212:18:232
2597564991010,0cyclictest0-21swapper/212:18:232
2597564991010,0cyclictest0-21swapper/212:01:482
2597564991010,0cyclictest0-21swapper/210:14:592
2597564991010,0cyclictest0-21swapper/210:06:402
2597564991010,0cyclictest0-21swapper/209:59:032
259756499100,0cyclictest0-21swapper/211:32:312
259756499100,0cyclictest0-21swapper/211:13:492
259756499100,0cyclictest0-21swapper/211:04:432
259756499100,0cyclictest0-21swapper/209:50:152
259756499100,0cyclictest0-21swapper/207:34:582
259755499109,1cyclictest0-21swapper/108:54:331
259755499101,7cyclictest201rcuc/109:36:091
2597554991010,0cyclictest0-21swapper/112:37:191
2597554991010,0cyclictest0-21swapper/111:02:121
259755499100,5cyclictest587-21systemd-journal12:10:011
259755499100,10cyclictest0-21swapper/112:24:571
259754799109,1cyclictest2756854-21kworker/u16:212:03:140
259754799109,1cyclictest10-21ksoftirqd/007:20:240
259754799108,1cyclictest2793484-21ntp_offset12:20:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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