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2026-03-12 - 11:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Thu Mar 12, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106891930,3ptp4l401ktimersoftd/319:58:173
106891670,1ptp4l401ktimersoftd/322:42:103
86632600,2sleep30-21swapper/321:09:583
106891590,1ptp4l401ktimersoftd/300:27:013
46452584,43sleep00-21swapper/019:55:460
106891580,1ptp4l401ktimersoftd/323:39:373
106891580,1ptp4l401ktimersoftd/322:55:283
106891580,0ptp4l401ktimersoftd/301:03:403
46142574,10sleep10-21swapper/119:55:231
177532570,4sleep1241ktimersoftd/120:24:431
177532570,4sleep1241ktimersoftd/120:24:431
106891550,1ptp4l401ktimersoftd/322:37:023
106891550,1ptp4l401ktimersoftd/300:07:323
229642540,4sleep222962-21awk22:54:592
223062540,2sleep00-21swapper/001:04:570
106891540,1ptp4l401ktimersoftd/300:36:573
106891520,11ptp4l401ktimersoftd/301:06:103
5049995018,11cyclictest25-21ksoftirqd/122:32:021
189212500,2sleep20-21swapper/200:29:502
5049994920,11cyclictest25-21ksoftirqd/123:13:021
5049994920,10cyclictest25-21ksoftirqd/100:52:181
5049994919,9cyclictest25-21ksoftirqd/101:21:101
20132490,4sleep231013-21diskmemload23:06:522
106891490,1ptp4l401ktimersoftd/321:18:373
5049994819,9cyclictest25-21ksoftirqd/123:26:161
5049994818,8cyclictest25-21ksoftirqd/122:36:461
5049994724,3cyclictest25-21ksoftirqd/123:19:501
5049994719,11cyclictest25-21ksoftirqd/123:07:171
5049994716,7cyclictest25-21ksoftirqd/100:20:271
225082470,1sleep00-21swapper/022:22:410
5049994620,7cyclictest25-21ksoftirqd/122:49:561
5049994619,10cyclictest25-21ksoftirqd/123:41:561
5049994518,7cyclictest25-21ksoftirqd/123:45:271
5049994518,10cyclictest25-21ksoftirqd/123:54:481
5049994517,8cyclictest25-21ksoftirqd/101:04:251
5049994517,8cyclictest25-21ksoftirqd/100:09:221
504999444,7cyclictest25-21ksoftirqd/101:15:121
5049994418,9cyclictest25-21ksoftirqd/122:59:141
5049994418,9cyclictest25-21ksoftirqd/122:21:581
5049994417,8cyclictest25-21ksoftirqd/100:37:341
106891440,1ptp4l401ktimersoftd/321:06:453
106891440,1ptp4l401ktimersoftd/301:22:143
504999432,8cyclictest25-21ksoftirqd/121:09:491
5049994318,9cyclictest25-21ksoftirqd/123:38:371
5049994317,10cyclictest25-21ksoftirqd/123:31:141
5049994317,10cyclictest25-21ksoftirqd/123:03:041
5049994317,10cyclictest25-21ksoftirqd/101:12:081
5049994317,10cyclictest25-21ksoftirqd/100:28:021
5049994316,8cyclictest25-21ksoftirqd/122:28:201
5049994314,7cyclictest25-21ksoftirqd/101:06:091
106891430,1ptp4l401ktimersoftd/322:49:053
504999422,5cyclictest25-21ksoftirqd/122:04:541
5049994217,9cyclictest25-21ksoftirqd/123:54:231
5049994217,9cyclictest25-21ksoftirqd/122:48:461
5049994217,10cyclictest25-21ksoftirqd/100:14:181
5049994216,9cyclictest25-21ksoftirqd/100:41:381
5049994216,10cyclictest25-21ksoftirqd/122:42:481
5049994216,10cyclictest25-21ksoftirqd/122:17:101
5049994215,8cyclictest25-21ksoftirqd/100:58:291
5049994215,10cyclictest25-21ksoftirqd/100:17:511
5056994135,3cyclictest0-21swapper/219:59:332
5056994134,4cyclictest33-21ksoftirqd/223:54:502
5049994116,9cyclictest25-21ksoftirqd/122:00:061
5056994026,11cyclictest33-21ksoftirqd/200:49:402
504999398,5cyclictest25-21ksoftirqd/121:04:591
504999394,6cyclictest25-21ksoftirqd/120:56:381
504999393,6cyclictest25-21ksoftirqd/121:54:521
504999393,6cyclictest25-21ksoftirqd/100:30:081
5049993919,7cyclictest25-21ksoftirqd/123:59:551
504999391,6cyclictest25-21ksoftirqd/120:09:511
106891390,1ptp4l401ktimersoftd/323:24:523
106891390,1ptp4l401ktimersoftd/300:32:523
106891390,0ptp4l401ktimersoftd/300:49:503
504999383,6cyclictest25-21ksoftirqd/121:03:521
504999383,5cyclictest25-21ksoftirqd/121:21:591
5049993812,7cyclictest25-21ksoftirqd/100:45:341
106891380,4ptp4l401ktimersoftd/301:26:453
106891380,1ptp4l401ktimersoftd/323:51:473
106891380,1ptp4l401ktimersoftd/323:49:043
106891380,1ptp4l401ktimersoftd/323:44:313
106891380,1ptp4l401ktimersoftd/323:13:173
106891380,1ptp4l401ktimersoftd/323:05:343
106891380,1ptp4l401ktimersoftd/323:01:433
106891380,1ptp4l401ktimersoftd/322:28:173
106891380,1ptp4l401ktimersoftd/322:18:013
106891380,1ptp4l401ktimersoftd/301:13:023
106891380,1ptp4l401ktimersoftd/300:59:153
106891380,1ptp4l401ktimersoftd/300:21:193
106891380,1ptp4l401ktimersoftd/300:15:113
106891380,1ptp4l401ktimersoftd/300:11:373
106891380,0ptp4l401ktimersoftd/322:51:103
106891380,0ptp4l401ktimersoftd/322:33:353
106891380,0ptp4l401ktimersoftd/322:11:383
504999371,6cyclictest25-21ksoftirqd/120:32:021
504999370,6cyclictest25-21ksoftirqd/122:09:561
106891370,1ptp4l401ktimersoftd/323:58:303
106891370,1ptp4l401ktimersoftd/323:20:083
106891370,1ptp4l401ktimersoftd/322:21:213
106891370,1ptp4l401ktimersoftd/322:07:143
106891370,1ptp4l401ktimersoftd/322:03:113
106891370,1ptp4l401ktimersoftd/320:34:593
106891370,1ptp4l401ktimersoftd/320:14:573
106891370,1ptp4l401ktimersoftd/300:44:573
106891370,0ptp4l401ktimersoftd/300:42:043
5056993630,3cyclictest33-21ksoftirqd/200:59:412
5056993629,4cyclictest33-21ksoftirqd/220:49:472
5056993629,3cyclictest33-21ksoftirqd/223:14:502
5056993619,3cyclictest33-21ksoftirqd/223:34:592
504999364,6cyclictest25-21ksoftirqd/120:04:521
504999362,5cyclictest25-21ksoftirqd/101:25:061
5049993617,9cyclictest25-21ksoftirqd/121:40:301
5049993617,9cyclictest25-21ksoftirqd/121:16:321
5049993617,10cyclictest25-21ksoftirqd/120:37:441
504999361,6cyclictest25-21ksoftirqd/121:29:361
504999361,6cyclictest25-21ksoftirqd/120:01:351
504999361,5cyclictest25-21ksoftirqd/121:33:561
5049993613,9cyclictest25-21ksoftirqd/123:15:261
504999360,6cyclictest25-21ksoftirqd/121:49:581
106891360,1ptp4l401ktimersoftd/323:17:193
106891360,1ptp4l401ktimersoftd/301:16:343
106891360,1ptp4l401ktimersoftd/300:00:353
504999352,6cyclictest25-21ksoftirqd/120:50:311
106891350,3ptp4l19200-21kworker/3:021:27:023
106891350,1ptp4l401ktimersoftd/323:33:013
5056993428,4cyclictest33-21ksoftirqd/222:29:492
5056993428,3cyclictest33-21ksoftirqd/201:09:402
5056993428,3cyclictest33-21ksoftirqd/200:39:402
5056993426,3cyclictest33-21ksoftirqd/222:19:532
504999340,5cyclictest25-21ksoftirqd/120:47:311
5056993328,3cyclictest33-21ksoftirqd/220:34:352
5056993328,3cyclictest33-21ksoftirqd/220:19:342
5056993327,4cyclictest33-21ksoftirqd/223:29:552
5056993326,4cyclictest33-21ksoftirqd/201:24:542
5056993325,4cyclictest33-21ksoftirqd/222:34:492
504999334,6cyclictest25-21ksoftirqd/120:40:591
5049993317,8cyclictest25-21ksoftirqd/121:44:531
5062993226,3cyclictest41-21ksoftirqd/320:24:343
5056993227,3cyclictest33-21ksoftirqd/222:24:542
5056993226,3cyclictest33-21ksoftirqd/223:44:392
5056993226,3cyclictest33-21ksoftirqd/222:39:572
5056993226,3cyclictest33-21ksoftirqd/200:49:522
5056993225,4cyclictest33-21ksoftirqd/221:09:512
5056993220,3cyclictest33-21ksoftirqd/201:15:102
5056993219,3cyclictest33-21ksoftirqd/200:29:402
504999324,6cyclictest25-21ksoftirqd/120:15:041
106891320,1ptp4l401ktimersoftd/320:48:573
106891320,1ptp4l401ktimersoftd/320:30:493
106891320,0ptp4l401ktimersoftd/320:02:163
5056993126,3cyclictest33-21ksoftirqd/220:29:342
5056993126,3cyclictest33-21ksoftirqd/220:29:342
5056993126,3cyclictest33-21ksoftirqd/200:09:392
5056993125,3cyclictest33-21ksoftirqd/222:49:372
5056993125,3cyclictest33-21ksoftirqd/221:59:482
5056993124,4cyclictest33-21ksoftirqd/221:39:472
5056993124,4cyclictest33-21ksoftirqd/200:14:572
5056993124,3cyclictest33-21ksoftirqd/222:19:372
5049993118,4cyclictest25-21ksoftirqd/121:35:021
106891310,1ptp4l401ktimersoftd/321:38:133
505699303,2cyclictest121rcu_preempt00:59:562
5056993025,3cyclictest33-21ksoftirqd/221:44:502
5056993025,3cyclictest33-21ksoftirqd/221:34:362
5056993024,4cyclictest33-21ksoftirqd/201:21:152
5056993024,3cyclictest33-21ksoftirqd/221:04:502
106891300,1ptp4l401ktimersoftd/321:02:533
5056992924,3cyclictest33-21ksoftirqd/223:24:392
5056992924,3cyclictest33-21ksoftirqd/200:04:392
5056992923,3cyclictest33-21ksoftirqd/223:54:392
5056992923,3cyclictest33-21ksoftirqd/222:59:542
5056992923,3cyclictest33-21ksoftirqd/222:04:552
5056992923,3cyclictest33-21ksoftirqd/221:29:362
5056992923,3cyclictest33-21ksoftirqd/200:19:522
5056992921,4cyclictest33-21ksoftirqd/220:19:452
106891290,0ptp4l401ktimersoftd/320:53:183
106891290,0ptp4l401ktimersoftd/320:04:463
5062992821,4cyclictest41-21ksoftirqd/320:29:343
5062992821,4cyclictest41-21ksoftirqd/320:29:343
5056992823,3cyclictest33-21ksoftirqd/221:24:362
5056992823,3cyclictest33-21ksoftirqd/200:39:572
5056992822,3cyclictest33-21ksoftirqd/222:50:062
5056992822,3cyclictest33-21ksoftirqd/220:45:032
5056992822,3cyclictest33-21ksoftirqd/201:09:572
5056992822,3cyclictest33-21ksoftirqd/200:09:552
5056992821,4cyclictest33-21ksoftirqd/221:59:362
5056992820,4cyclictest33-21ksoftirqd/220:39:462
5056992817,9cyclictest33-21ksoftirqd/222:10:052
504999282,6cyclictest25-21ksoftirqd/120:19:541
5056992723,3cyclictest33-21ksoftirqd/223:14:392
5056992722,3cyclictest33-21ksoftirqd/223:44:502
5056992722,3cyclictest33-21ksoftirqd/220:59:352
5056992722,3cyclictest33-21ksoftirqd/219:59:502
5056992721,3cyclictest33-21ksoftirqd/221:49:532
5056992721,3cyclictest33-21ksoftirqd/220:09:502
5045992722,3cyclictest9-21ksoftirqd/023:04:560
150472270,2sleep00-21swapper/022:47:590
106891270,0ptp4l401ktimersoftd/320:11:103
5062992621,3cyclictest41-21ksoftirqd/321:29:493
5062992621,3cyclictest41-21ksoftirqd/320:39:503
5056992621,3cyclictest33-21ksoftirqd/223:24:502
5056992621,3cyclictest33-21ksoftirqd/220:04:522
5056992620,3cyclictest33-21ksoftirqd/221:34:372
5056992610,13cyclictest33-21ksoftirqd/220:59:532
5045992622,3cyclictest9-21ksoftirqd/022:03:540
5045992620,3cyclictest9-21ksoftirqd/020:18:320
5045992619,4cyclictest9-21ksoftirqd/021:30:260
504599261,3cyclictest121rcu_preempt23:31:200
142772260,2sleep00-21swapper/021:24:360
5062992519,3cyclictest41-21ksoftirqd/321:50:363
5056992520,3cyclictest33-21ksoftirqd/221:19:362
5045992520,3cyclictest9-21ksoftirqd/000:50:000
5045992520,3cyclictest9-21ksoftirqd/000:19:400
5045992519,3cyclictest9-21ksoftirqd/020:21:010
5045992514,6cyclictest0-21swapper/023:09:510
106891250,10ptp4l401ktimersoftd/321:57:063
106891250,10ptp4l401ktimersoftd/320:55:123
5056992418,3cyclictest33-21ksoftirqd/220:34:532
5045992418,3cyclictest9-21ksoftirqd/023:26:330
5045992418,3cyclictest9-21ksoftirqd/020:34:290
5045992417,4cyclictest9-21ksoftirqd/020:58:550
5045992412,5cyclictest101ktimersoftd/022:59:500
106891240,1ptp4l401ktimersoftd/321:39:473
106891240,1ptp4l401ktimersoftd/321:19:483
5045992318,3cyclictest9-21ksoftirqd/021:07:140
5045992317,3cyclictest9-21ksoftirqd/023:35:040
5045992317,3cyclictest9-21ksoftirqd/020:43:370
5045992317,3cyclictest9-21ksoftirqd/000:39:540
5045992317,3cyclictest10805-21grep00:20:080
5045992316,4cyclictest9-21ksoftirqd/021:48:530
5045992316,4cyclictest9-21ksoftirqd/000:44:540
5045992316,4cyclictest8981-21ssh22:41:060
280882231,18sleep028208-21hddtemp_smartct20:44:500
106891230,1ptp4l401ktimersoftd/321:44:433
504599223,11cyclictest21601-21ssh22:54:480
5045992217,3cyclictest9-21ksoftirqd/023:59:510
5045992217,3cyclictest9-21ksoftirqd/020:04:440
5045992216,3cyclictest9-21ksoftirqd/022:08:560
5045992216,3cyclictest31013-21diskmemload23:57:110
5045992214,5cyclictest20539-21nfs4_client21:34:560
5045992214,4cyclictest1055-21runrttasks01:18:420
504599220,4cyclictest17296-21gltestperf00:59:560
504599213,9cyclictest4246-21ssh01:19:520
5045992116,3cyclictest9-21ksoftirqd/000:33:260
5045992115,3cyclictest9-21ksoftirqd/021:15:490
5045992113,5cyclictest27251-21cut01:09:550
5045992015,3cyclictest9-21ksoftirqd/022:10:050
5045992014,4cyclictest9-21ksoftirqd/022:32:130
5045992014,3cyclictest9-21ksoftirqd/021:42:150
5045992013,4cyclictest9-21ksoftirqd/021:11:430
5045992013,4cyclictest9-21ksoftirqd/021:00:470
5045992013,4cyclictest6346-21tail19:59:530
5045992013,4cyclictest3866-21sh22:35:520
5045992013,4cyclictest31154-21sed20:49:560
5045992013,4cyclictest31070-21sh00:09:310
5045992013,4cyclictest30019-21needreboot21:54:580
5045992013,4cyclictest26264-21sh22:25:410
5045992013,4cyclictest12071-21swap20:09:590
504599192,9cyclictest31592-21ssh00:09:510
5045991913,4cyclictest9-21ksoftirqd/021:27:490
5045991913,4cyclictest8246-21ssh23:45:100
5045991913,3cyclictest9503-21grep23:14:540
5045991913,3cyclictest9-21ksoftirqd/021:52:260
5045991913,3cyclictest31013-21diskmemload22:17:190
5045991913,3cyclictest31013-21diskmemload01:24:550
5045991913,3cyclictest19249-21timedrift20:25:000
5045991913,3cyclictest19249-21timedrift20:25:000
5045991913,3cyclictest12885-21cat23:50:060
5045991913,3cyclictest11843-21sh00:54:530
5045991912,4cyclictest31013-21diskmemload23:41:570
5045991912,4cyclictest31013-21diskmemload23:21:030
5045991912,4cyclictest31013-21diskmemload22:50:230
5045991912,4cyclictest23869-21/usr/sbin/munin00:35:020
5045991911,4cyclictest13944-21/usr/sbin/munin00:24:570
5045991812,3cyclictest23227-21expr20:34:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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