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2026-07-10 - 10:29
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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 Fri Jul 10, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3100021710,4sleep21430499cyclictest23:28:102
122821580,3sleep31431299cyclictest00:04:003
122821580,3sleep31431299cyclictest00:04:003
3070121550,3sleep01429299cyclictest21:36:150
1631021460,3sleep31431299cyclictest23:13:173
106891960,3ptp4l401ktimersoftd/321:04:133
117872690,2sleep00-21swapper/001:21:140
274082650,4sleep2311rcuc/201:03:292
80522640,3sleep21430499cyclictest01:50:262
237822640,2sleep00-21swapper/023:21:170
60162620,2sleep00-21swapper/023:36:150
139772590,2sleep10-21swapper/101:56:161
272682550,1sleep00-21swapper/001:03:150
1431299559,12cyclictest32468-21/usr/sbin/munin22:46:193
131872550,2sleep30-21swapper/300:49:213
121442530,2sleep20-21swapper/221:01:052
14312995110,12cyclictest19802-21needreboot02:01:243
202902500,2sleep20-21swapper/223:50:582
14312994911,11cyclictest2093-21snmp_o5powerctl23:31:243
312162480,2sleep00-21swapper/023:28:320
14312994212,11cyclictest17587-21chrt23:46:423
14312994210,18cyclictest21595-21apt-get01:31:133
14312994011,17cyclictest4781-21ssh00:41:123
106891400,1ptp4l401ktimersoftd/301:05:083
14312993911,15cyclictest24711-21ssh23:21:273
1274823914,12sleep125-21ksoftirqd/121:01:131
14312993811,16cyclictest30161-21cut01:06:183
14312993810,16cyclictest21958-21ssh23:51:243
106891380,1ptp4l401ktimersoftd/302:25:033
106891380,1ptp4l401ktimersoftd/301:59:453
106891380,1ptp4l401ktimersoftd/301:43:073
106891380,1ptp4l401ktimersoftd/301:43:073
106891380,1ptp4l401ktimersoftd/300:23:483
106891370,1ptp4l401ktimersoftd/323:57:483
106891370,1ptp4l401ktimersoftd/323:57:483
106891370,1ptp4l401ktimersoftd/323:41:383
106891370,1ptp4l401ktimersoftd/323:27:563
106891370,1ptp4l401ktimersoftd/323:20:203
106891370,1ptp4l401ktimersoftd/322:31:313
106891370,1ptp4l401ktimersoftd/302:34:213
106891370,1ptp4l401ktimersoftd/302:16:183
106891370,1ptp4l401ktimersoftd/302:09:013
106891370,1ptp4l401ktimersoftd/301:46:113
106891370,1ptp4l401ktimersoftd/301:39:143
106891370,1ptp4l401ktimersoftd/301:39:143
106891370,1ptp4l401ktimersoftd/301:26:263
106891370,1ptp4l401ktimersoftd/301:21:433
106891370,1ptp4l401ktimersoftd/301:19:523
106891370,1ptp4l401ktimersoftd/301:12:513
106891370,1ptp4l401ktimersoftd/300:36:573
106891370,1ptp4l401ktimersoftd/300:32:323
106891370,1ptp4l401ktimersoftd/300:20:153
14304993618,10cyclictest23247-21ssh23:21:112
106891360,1ptp4l401ktimersoftd/322:02:523
106891360,1ptp4l401ktimersoftd/321:47:593
106891360,1ptp4l401ktimersoftd/302:27:313
106891360,1ptp4l401ktimersoftd/302:15:193
106891360,1ptp4l401ktimersoftd/300:08:193
106891360,0ptp4l401ktimersoftd/322:29:233
106891360,0ptp4l401ktimersoftd/300:54:443
106891360,0ptp4l401ktimersoftd/300:27:203
106891360,0ptp4l401ktimersoftd/300:11:453
106891350,0ptp4l401ktimersoftd/323:37:083
14292993425,5cyclictest9-21ksoftirqd/022:11:060
106891340,1ptp4l401ktimersoftd/301:53:353
106891340,0ptp4l401ktimersoftd/322:08:243
106891330,1ptp4l401ktimersoftd/301:00:133
14312993210,8cyclictest29917-21df21:36:083
14312993116,10cyclictest0-21swapper/321:26:063
14312993112,11cyclictest9130-21awk23:06:143
14292993115,5cyclictest9-21ksoftirqd/023:07:160
1413323112,9sleep00-21swapper/021:05:120
14312993014,13cyclictest9295-21date22:00:563
14312993010,17cyclictest6607-21cron21:55:553
14299993024,3cyclictest25-21ksoftirqd/102:01:541
14299993024,3cyclictest25-21ksoftirqd/100:35:591
14292993022,5cyclictest9-21ksoftirqd/000:06:580
14292993015,4cyclictest9-21ksoftirqd/001:34:020
164492290,2sleep0101ktimersoftd/001:57:590
58162280,23sleep15826-21ssh01:15:171
14312992822,3cyclictest41-21ksoftirqd/322:15:553
14312992816,8cyclictest20448-21/usr/sbin/munin21:16:103
14312992815,9cyclictest18096-21ptp4l22:16:173
14312992814,11cyclictest22634-21tune2fs21:21:113
14299992822,4cyclictest25-21ksoftirqd/101:21:301
14299992822,3cyclictest25-21ksoftirqd/100:16:201
14299992821,4cyclictest25-21ksoftirqd/101:31:201
14292992823,3cyclictest9-21ksoftirqd/000:51:150
35072270,5sleep21430499cyclictest00:39:322
315262270,1sleep20-21swapper/222:46:102
1431299278,16cyclictest0-21swapper/321:10:563
14312992717,7cyclictest27206-21tr21:31:083
14312992715,9cyclictest4798-21/usr/sbin/munin22:56:193
14312992715,9cyclictest30509-21grep22:41:253
14312992715,9cyclictest20669-21awk22:21:243
14312992715,8cyclictest6276-21fschecks_count23:01:133
14312992715,8cyclictest26030-21apt-get22:35:583
1430499274,3cyclictest121rcu_preempt01:57:142
1430499273,14cyclictest12687-21ssh00:16:132
14304992720,4cyclictest33-21ksoftirqd/202:16:162
14304992720,4cyclictest33-21ksoftirqd/200:31:252
14299992722,3cyclictest25-21ksoftirqd/100:11:151
14299992721,3cyclictest25-21ksoftirqd/123:46:111
14299992721,3cyclictest25-21ksoftirqd/100:26:141
14292992720,4cyclictest9-21ksoftirqd/022:09:430
14292992712,4cyclictest9-21ksoftirqd/023:45:420
264892261,20sleep10-21swapper/102:08:091
14312992616,7cyclictest14840-21fschecks_count21:06:113
14312992615,8cyclictest1164-21/usr/sbin/munin22:51:073
14312992615,8cyclictest1095-21awk21:41:183
14304992621,3cyclictest33-21ksoftirqd/223:36:172
14304992620,3cyclictest33-21ksoftirqd/202:22:462
14304992620,3cyclictest33-21ksoftirqd/200:11:542
14304992619,4cyclictest33-21ksoftirqd/222:34:222
1429999263,8cyclictest121rcu_preempt23:23:241
14299992621,3cyclictest25-21ksoftirqd/121:40:551
14299992621,3cyclictest25-21ksoftirqd/121:10:561
14299992621,3cyclictest25-21ksoftirqd/100:40:591
14299992620,3cyclictest25-21ksoftirqd/101:01:241
14299992619,4cyclictest25-21ksoftirqd/121:25:241
14292992621,3cyclictest9-21ksoftirqd/023:45:590
14292992620,3cyclictest9-21ksoftirqd/022:02:550
14292992620,3cyclictest9-21ksoftirqd/021:26:550
14292992619,4cyclictest8051-21cron23:05:570
14292992612,4cyclictest9-21ksoftirqd/000:21:310
138982260,2sleep20-21swapper/202:28:292
5562250,2sleep10-21swapper/121:41:141
1430499252,14cyclictest2791-21ssh00:06:092
14304992520,3cyclictest33-21ksoftirqd/223:45:572
14304992520,3cyclictest33-21ksoftirqd/223:01:112
14304992520,3cyclictest33-21ksoftirqd/200:28:252
14304992519,3cyclictest33-21ksoftirqd/223:16:122
14304992519,3cyclictest33-21ksoftirqd/222:16:302
14304992519,3cyclictest33-21ksoftirqd/221:53:432
14304992519,3cyclictest33-21ksoftirqd/221:25:172
14304992518,4cyclictest33-21ksoftirqd/222:29:482
14304992518,4cyclictest33-21ksoftirqd/222:06:482
14304992518,4cyclictest33-21ksoftirqd/221:43:312
14304992518,4cyclictest33-21ksoftirqd/221:26:532
14304992518,4cyclictest20958-21ssh02:02:052
1430499251,3cyclictest121rcu_preempt02:15:532
1430499251,3cyclictest121rcu_preempt00:05:202
1430499251,3cyclictest121rcu_preempt00:05:202
14299992520,3cyclictest25-21ksoftirqd/102:26:131
14299992520,3cyclictest25-21ksoftirqd/100:46:161
14299992520,3cyclictest25-21ksoftirqd/100:10:591
14299992519,3cyclictest25-21ksoftirqd/101:18:231
14299992519,3cyclictest25-21ksoftirqd/101:00:141
14299992518,4cyclictest25-21ksoftirqd/122:09:281
14299992514,8cyclictest6521-21grep00:41:301
1429299254,18cyclictest14509-21head00:16:310
14292992519,3cyclictest9-21ksoftirqd/000:26:250
14304992418,3cyclictest33-21ksoftirqd/222:04:432
14304992418,3cyclictest33-21ksoftirqd/221:49:222
14304992417,4cyclictest33-21ksoftirqd/222:22:222
14304992417,4cyclictest33-21ksoftirqd/201:06:062
1430499241,3cyclictest121rcu_preempt23:13:452
1429999243,15cyclictest30323-21apt-get00:01:101
1429999243,15cyclictest30323-21apt-get00:01:101
14299992418,3cyclictest25-21ksoftirqd/123:36:271
14299992418,3cyclictest25-21ksoftirqd/122:10:571
14299992418,3cyclictest25-21ksoftirqd/101:41:201
14299992418,3cyclictest25-21ksoftirqd/101:41:201
14299992417,4cyclictest31005-21sh01:41:001
14299992417,4cyclictest31005-21sh01:41:001
14299992417,4cyclictest25-21ksoftirqd/122:17:431
14299992417,4cyclictest25-21ksoftirqd/121:57:521
14299992417,4cyclictest23686-21cat22:30:561
14292992419,3cyclictest9-21ksoftirqd/002:24:070
14292992419,3cyclictest9-21ksoftirqd/001:53:320
14292992419,3cyclictest9-21ksoftirqd/000:05:580
14292992419,3cyclictest9-21ksoftirqd/000:05:580
14292992418,3cyclictest9-21ksoftirqd/022:44:310
14292992418,3cyclictest9-21ksoftirqd/021:16:070
14292992417,4cyclictest9-21ksoftirqd/022:54:270
14292992417,4cyclictest9-21ksoftirqd/022:19:310
14292992417,4cyclictest9-21ksoftirqd/001:14:470
1429299241,20cyclictest31716-21grep22:46:130
14304992317,3cyclictest33-21ksoftirqd/223:07:302
14304992317,3cyclictest33-21ksoftirqd/222:44:402
14304992317,3cyclictest33-21ksoftirqd/201:41:202
14304992317,3cyclictest33-21ksoftirqd/201:41:202
14304992317,3cyclictest33-21ksoftirqd/201:34:482
14304992316,4cyclictest33-21ksoftirqd/221:36:292
14304992316,4cyclictest20329-21sh02:36:022
1430499230,3cyclictest121rcu_preempt00:51:462
14299992318,3cyclictest25-21ksoftirqd/123:16:281
14299992318,3cyclictest25-21ksoftirqd/102:21:161
14299992317,3cyclictest25-21ksoftirqd/122:41:251
14299992317,3cyclictest25-21ksoftirqd/122:22:181
14299992316,4cyclictest25-21ksoftirqd/123:05:081
14299992316,4cyclictest25-21ksoftirqd/121:35:071
14299992310,3cyclictest32690-21latency_hist23:30:571
14292992318,3cyclictest9-21ksoftirqd/001:26:200
14292992317,3cyclictest9-21ksoftirqd/021:46:340
14292992316,4cyclictest9-21ksoftirqd/021:12:140
1429299231,4cyclictest13949-21ssh02:28:340
14304992217,3cyclictest33-21ksoftirqd/201:15:592
14304992216,4cyclictest33-21ksoftirqd/221:17:232
14304992216,3cyclictest33-21ksoftirqd/221:31:532
14304992215,4cyclictest21455-21kernelversion23:51:182
14304992214,5cyclictest24000-21idleruntime-cro01:01:002
14299992217,3cyclictest25-21ksoftirqd/123:55:581
14299992217,3cyclictest25-21ksoftirqd/121:55:551
14299992217,3cyclictest25-21ksoftirqd/121:46:171
14299992216,3cyclictest2921-21grep02:16:341
14299992216,3cyclictest25-21ksoftirqd/122:37:561
14299992216,3cyclictest25-21ksoftirqd/121:20:101
14299992216,3cyclictest25-21ksoftirqd/121:09:061
14299992216,3cyclictest25-21ksoftirqd/100:22:331
14299992215,4cyclictest25-21ksoftirqd/122:54:041
14292992217,3cyclictest9-21ksoftirqd/001:46:260
14292992216,4cyclictest9-21ksoftirqd/023:59:510
14292992216,4cyclictest9-21ksoftirqd/023:59:510
14292992216,4cyclictest9-21ksoftirqd/001:36:140
14292992216,4cyclictest9-21ksoftirqd/001:36:140
14292992216,3cyclictest9-21ksoftirqd/022:59:530
14292992216,3cyclictest9-21ksoftirqd/022:40:140
14292992216,3cyclictest9-21ksoftirqd/022:35:560
14292992216,3cyclictest7003-21fschecks_count01:16:150
14292992215,4cyclictest9-21ksoftirqd/021:51:000
14292992215,4cyclictest9-21ksoftirqd/021:41:570
14304992115,3cyclictest5146-21idleruntime-cro23:35:572
14304992115,3cyclictest33-21ksoftirqd/222:12:562
14304992115,3cyclictest33-21ksoftirqd/221:56:402
14304992115,3cyclictest33-21ksoftirqd/221:12:102
14304992114,4cyclictest27968-21sh02:10:402
14304992114,4cyclictest26422-21/usr/sbin/munin01:36:232
14304992114,4cyclictest26422-21/usr/sbin/munin01:36:232
14304992114,4cyclictest1055-21runrttasks22:51:082
14299992116,3cyclictest25-21ksoftirqd/123:11:201
14299992116,3cyclictest25-21ksoftirqd/122:56:151
14299992116,3cyclictest25-21ksoftirqd/122:01:241
14299992116,3cyclictest25-21ksoftirqd/101:26:261
14299992114,5cyclictest25-21ksoftirqd/100:51:241
14299992114,4cyclictest5136-21sh23:35:571
14292992116,3cyclictest9-21ksoftirqd/002:06:430
14292992116,3cyclictest9-21ksoftirqd/000:36:230
14292992115,4cyclictest9-21ksoftirqd/021:22:500
14292992115,4cyclictest29172-21head00:31:280
14292992115,3cyclictest9-21ksoftirqd/021:57:220
14292992114,4cyclictest9-21ksoftirqd/022:28:380
14292992114,4cyclictest27958-21kernelversion21:31:150
1430499206,3cyclictest33-21ksoftirqd/200:50:442
1430499201,9cyclictest0-21swapper/223:56:142
1430499201,9cyclictest0-21swapper/223:56:142
14304992015,3cyclictest33-21ksoftirqd/201:21:192
14304992013,4cyclictest6854-21seq01:16:132
14304992013,4cyclictest3576-21basename22:56:082
14304992013,4cyclictest33-21ksoftirqd/200:41:252
14304992013,4cyclictest19039-21sh00:21:272
14299992015,3cyclictest25-21ksoftirqd/102:11:201
14299992014,3cyclictest31224-21/usr/sbin/munin22:46:141
14299992014,3cyclictest12114-21rm01:54:011
1429999201,3cyclictest29810-21smartctl01:06:161
1429999201,3cyclictest10458-21apt-get23:41:101
1429999201,2cyclictest121rcu_preempt23:07:161
14299992011,6cyclictest15749-21/usr/sbin/munin02:31:261
1429299202,15cyclictest31088-21head01:06:280
14292992014,4cyclictest19788-21needreboot02:01:240
14292992014,3cyclictest13296-21sh23:11:080
14292992014,3cyclictest1055-21runrttasks02:35:450
14292992013,4cyclictest8841-21missed_timers00:11:240
14292992013,4cyclictest21296-21latency_hist22:25:560
14292992013,4cyclictest1055-21runrttasks23:32:200
14292992011,6cyclictest6522-21grep00:41:300
14292992011,5cyclictest46950irq/100-ens3-Tx00:46:120
1429299200,2cyclictest8060-21diskmemload02:16:520
14304991913,3cyclictest33-21ksoftirqd/201:51:332
14304991912,4cyclictest27965-21ls22:36:232
14304991912,4cyclictest20003-21sh01:29:212
14304991912,4cyclictest16618-21latency_hist21:10:552
1429999192,15cyclictest5040-21tr01:46:231
14299991914,3cyclictest24624-21/usr/sbin/munin21:26:101
1429999191,3cyclictest25419-21apt-get23:56:101
1429999191,3cyclictest25419-21apt-get23:56:101
14292991913,3cyclictest14943-21grep21:06:110
14292991913,3cyclictest1055-21runrttasks23:54:070
14292991912,4cyclictest31757-21fschecks_count01:41:170
14292991912,4cyclictest31757-21fschecks_count01:41:170
14292991912,4cyclictest28822-21expr02:11:140
14292991912,4cyclictest19766-21sh23:16:230
1429999182,10cyclictest23968-21apt-get22:31:081
14292991810,4cyclictest101ktimersoftd/000:56:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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