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2026-07-30 - 11:15
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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 Jul 30, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2743621780,5sleep11680999cyclictest00:07:171
1838421470,3sleep11680999cyclictest22:26:391
1068911010,37ptp4l401ktimersoftd/321:16:153
99782770,2sleep10-21swapper/123:49:101
280362770,1sleep10-21swapper/122:46:591
102242750,2sleep20-21swapper/223:49:352
185642660,1sleep00-21swapper/002:09:210
75602620,4sleep01680299cyclictest00:19:400
75602620,4sleep01680299cyclictest00:19:400
115862620,2sleep30-21swapper/302:36:023
249602610,5sleep224965-21cpuspeed_turbos23:32:122
314192570,4sleep21681399cyclictest00:11:512
106891570,1ptp4l401ktimersoftd/301:07:143
241312560,3sleep324133-21irqrtprio22:37:173
241312560,3sleep324133-21irqrtprio22:37:173
1680999541,26cyclictest23635-21cat22:37:121
1680999541,26cyclictest23635-21cat22:37:121
106891540,1ptp4l401ktimersoftd/323:00:043
176552510,2sleep00-21swapper/001:36:050
16802995034,8cyclictest9-21ksoftirqd/001:07:170
1452914622,4phc2sys41-21ksoftirqd/302:14:413
106891460,1ptp4l401ktimersoftd/300:12:483
16822994532,6cyclictest41-21ksoftirqd/323:07:113
106891450,1ptp4l401ktimersoftd/301:12:083
106891450,15ptp4l2767-21kworker/3:223:54:293
1645224324,8sleep20-21swapper/221:13:412
16809994222,17cyclictest19198-21tail22:27:141
1680999413,29cyclictest11649-21apt-get00:57:141
1680999410,20cyclictest0-21swapper/100:22:331
106891410,1ptp4l401ktimersoftd/323:17:273
1680999401,23cyclictest9724-21diskmemload01:28:331
1680999400,23cyclictest19130-21latency_hist21:21:571
1680999400,20cyclictest0-21swapper/100:14:231
106891400,1ptp4l401ktimersoftd/301:47:563
1680999392,30cyclictest2215-21apt-get23:42:111
1680999392,30cyclictest21495-21apt-get01:07:171
1680999390,25cyclictest19709-21sed21:22:001
106891390,1ptp4l401ktimersoftd/323:47:083
106891390,1ptp4l401ktimersoftd/323:37:113
106891390,1ptp4l401ktimersoftd/300:52:333
16809993832,3cyclictest23167-21sh22:36:581
16809993832,3cyclictest23167-21sh22:36:581
1680999382,28cyclictest30409-21apt-get02:22:171
1680999381,33cyclictest17888-21awk01:02:271
1680999381,29cyclictest4443-21apt-get00:17:131
1680999381,29cyclictest4443-21apt-get00:17:131
1680999381,23cyclictest14618-21ssh02:37:531
106891380,1ptp4l401ktimersoftd/323:45:433
106891380,1ptp4l401ktimersoftd/301:21:133
106891380,1ptp4l401ktimersoftd/301:01:533
106891380,1ptp4l401ktimersoftd/300:03:163
1680999372,28cyclictest30596-21apt-get22:52:121
1680999371,31cyclictest5956-21apt-get01:57:151
1680999371,31cyclictest5956-21apt-get01:57:151
1680999371,31cyclictest0-21swapper/100:52:131
106891370,1ptp4l401ktimersoftd/323:59:553
106891370,1ptp4l401ktimersoftd/323:32:373
106891370,1ptp4l401ktimersoftd/323:27:323
106891370,1ptp4l401ktimersoftd/321:57:173
106891370,1ptp4l401ktimersoftd/302:38:463
106891370,1ptp4l401ktimersoftd/302:28:083
106891370,1ptp4l401ktimersoftd/302:25:173
106891370,1ptp4l401ktimersoftd/302:08:383
106891370,1ptp4l401ktimersoftd/302:00:583
106891370,1ptp4l401ktimersoftd/302:00:583
106891370,1ptp4l401ktimersoftd/301:53:033
106891370,1ptp4l401ktimersoftd/301:32:333
106891370,1ptp4l401ktimersoftd/301:31:343
106891370,1ptp4l401ktimersoftd/301:22:103
106891370,1ptp4l401ktimersoftd/301:06:163
106891370,1ptp4l401ktimersoftd/300:37:243
106891370,1ptp4l401ktimersoftd/300:29:423
106891370,0ptp4l401ktimersoftd/301:45:003
106891370,0ptp4l401ktimersoftd/300:11:133
16813993630,3cyclictest33-21ksoftirqd/200:52:022
1680999362,27cyclictest13732-21apt-get01:32:131
1680999361,31cyclictest24492-21apt-get00:37:131
1680999360,22cyclictest12528-21rm23:18:251
106891360,1ptp4l401ktimersoftd/322:47:193
106891360,1ptp4l401ktimersoftd/302:19:583
106891360,1ptp4l401ktimersoftd/300:32:123
106891360,0ptp4l401ktimersoftd/300:23:223
16813993529,3cyclictest33-21ksoftirqd/200:42:142
1680999351,30cyclictest4423-21grep01:22:191
1680999351,21cyclictest23216-21rm23:29:541
1680999350,23cyclictest0-21swapper/101:12:291
1680999350,22cyclictest9724-21diskmemload01:48:071
1680999350,22cyclictest9724-21diskmemload01:19:341
1680999350,21cyclictest0-21swapper/100:01:371
16813993428,3cyclictest33-21ksoftirqd/201:32:022
1680999342,25cyclictest22089-21apt-get00:02:111
16809993419,12cyclictest25-21ksoftirqd/121:29:391
16809993413,18cyclictest7866-21wc22:02:181
1680999341,30cyclictest22923-21sshd01:41:431
16809993412,18cyclictest6055-21grep21:57:281
1680999340,31cyclictest15220-21rm23:54:431
1680999340,30cyclictest9724-21diskmemload02:32:111
1680999340,20cyclictest0-21swapper/121:47:141
1680999340,20cyclictest0-21swapper/102:09:211
106891340,1ptp4l401ktimersoftd/302:43:043
16813993327,4cyclictest33-21ksoftirqd/201:32:202
16813993322,10cyclictest33-21ksoftirqd/201:49:142
16809993314,16cyclictest17976-21which02:42:221
1680999331,29cyclictest31348-21rm00:42:441
1680999331,29cyclictest21170-21unixbench_multi00:32:301
1680999331,29cyclictest18513-21chrt23:25:171
1680999331,25cyclictest27217-21apt-get21:37:091
16809993311,18cyclictest2913-21cut00:47:221
1680999330,29cyclictest30264-21/usr/sbin/munin23:37:161
106891330,1ptp4l401ktimersoftd/300:50:123
106891330,0ptp4l401ktimersoftd/323:25:373
16822993227,3cyclictest41-21ksoftirqd/302:07:033
16822993226,3cyclictest41-21ksoftirqd/322:46:593
16813993221,9cyclictest33-21ksoftirqd/201:42:332
1680999321,28cyclictest4649-21sed02:27:331
1680999321,24cyclictest7660-21apt-get23:12:131
1680999321,24cyclictest1111-21apt-get01:52:141
16809993210,18cyclictest14086-21expr22:17:111
1680999320,28cyclictest29275-21/usr/sbin/munin22:47:221
1680999320,28cyclictest24236-21gltestperf01:42:201
1680999320,28cyclictest233-21systemd-journal00:27:011
1680999320,21cyclictest24878-21cpu23:32:121
106891320,1ptp4l401ktimersoftd/322:35:333
106891320,1ptp4l401ktimersoftd/322:35:333
106891320,1ptp4l401ktimersoftd/321:42:273
16822993126,3cyclictest41-21ksoftirqd/300:22:013
16822993126,3cyclictest41-21ksoftirqd/300:22:013
16813993126,3cyclictest33-21ksoftirqd/201:42:032
16813993123,5cyclictest33-21ksoftirqd/222:07:082
1680999319,19cyclictest24293-21rm02:15:511
1680999311,27cyclictest30020-21grep21:42:141
1680999311,26cyclictest25536-21apt-get02:17:161
1680999311,26cyclictest24961-21grep21:32:101
1680999311,26cyclictest11916-21/usr/sbin/munin22:12:141
1680999310,27cyclictest2512-21/usr/sbin/munin21:52:141
1680999310,27cyclictest10840-21apt-get02:02:191
106891310,1ptp4l401ktimersoftd/322:26:453
16813993024,3cyclictest33-21ksoftirqd/223:32:002
16813993024,3cyclictest33-21ksoftirqd/202:22:182
16813993024,3cyclictest33-21ksoftirqd/201:52:182
16813993023,4cyclictest33-21ksoftirqd/223:17:122
16813993023,4cyclictest33-21ksoftirqd/221:22:152
1681399300,5cyclictest121rcu_preempt22:27:212
1680999309,18cyclictest1978-21timerandwakeup22:57:271
1680999301,25cyclictest5862-21/usr/sbin/munin23:07:161
1680999301,25cyclictest4529-21tail23:02:281
16802993024,3cyclictest9-21ksoftirqd/000:47:010
106891300,0ptp4l401ktimersoftd/300:46:283
16822992924,3cyclictest41-21ksoftirqd/321:31:573
16822992916,4cyclictest41-21ksoftirqd/322:27:213
1681399294,6cyclictest1055-21runrttasks01:23:302
16813992924,3cyclictest33-21ksoftirqd/222:21:582
16813992924,3cyclictest33-21ksoftirqd/221:56:582
16813992923,3cyclictest33-21ksoftirqd/222:42:192
16813992923,3cyclictest33-21ksoftirqd/222:32:172
16813992923,3cyclictest33-21ksoftirqd/222:32:172
16813992923,3cyclictest33-21ksoftirqd/202:12:042
16813992923,3cyclictest33-21ksoftirqd/200:27:012
16813992923,3cyclictest33-21ksoftirqd/200:17:252
16813992923,3cyclictest33-21ksoftirqd/200:17:252
16813992922,4cyclictest33-21ksoftirqd/222:47:202
16813992922,4cyclictest33-21ksoftirqd/200:52:202
1680999291,25cyclictest9540-21fschecks_count22:07:121
1680999291,24cyclictest16819-21cat21:16:571
16802992924,3cyclictest9-21ksoftirqd/021:56:580
16802992923,3cyclictest9-21ksoftirqd/001:57:030
1681399283,18cyclictest29755-21apt-get23:37:112
16813992823,3cyclictest33-21ksoftirqd/200:12:122
16813992823,3cyclictest33-21ksoftirqd/200:02:002
16813992822,4cyclictest33-21ksoftirqd/221:32:102
16813992822,3cyclictest33-21ksoftirqd/223:52:142
16813992822,3cyclictest33-21ksoftirqd/223:27:002
16813992822,3cyclictest33-21ksoftirqd/223:12:002
16813992822,3cyclictest33-21ksoftirqd/222:37:122
16813992822,3cyclictest33-21ksoftirqd/222:37:122
16813992822,3cyclictest33-21ksoftirqd/222:12:112
16813992822,3cyclictest33-21ksoftirqd/221:17:142
16813992822,3cyclictest33-21ksoftirqd/202:12:262
16813992822,3cyclictest33-21ksoftirqd/201:17:162
16813992821,4cyclictest33-21ksoftirqd/223:00:452
16813992821,4cyclictest33-21ksoftirqd/221:47:152
16802992823,3cyclictest9-21ksoftirqd/022:46:590
16802992817,8cyclictest9413-21cstates22:07:100
146572285,10sleep00-21swapper/021:12:100
16822992722,3cyclictest41-21ksoftirqd/322:06:573
16822992721,3cyclictest41-21ksoftirqd/321:47:153
16822992720,4cyclictest41-21ksoftirqd/322:19:553
16813992722,3cyclictest33-21ksoftirqd/223:42:172
16813992722,3cyclictest33-21ksoftirqd/221:57:152
16813992722,3cyclictest33-21ksoftirqd/202:42:242
16813992722,3cyclictest33-21ksoftirqd/202:37:162
16813992722,3cyclictest33-21ksoftirqd/202:27:232
16813992722,3cyclictest26314-21sed02:17:232
16813992721,3cyclictest33-21ksoftirqd/200:07:002
16813992720,4cyclictest33-21ksoftirqd/223:05:432
16813992720,4cyclictest33-21ksoftirqd/201:07:232
16813992720,4cyclictest33-21ksoftirqd/201:02:182
16813992720,3cyclictest33-21ksoftirqd/202:32:212
1680299273,7cyclictest121rcu_preempt00:57:210
16802992722,3cyclictest9-21ksoftirqd/002:32:040
16802992721,3cyclictest9-21ksoftirqd/001:12:310
16802992717,5cyclictest9-21ksoftirqd/000:22:130
16802992716,7cyclictest31771-1kworker/u9:223:42:110
16822992620,3cyclictest41-21ksoftirqd/321:17:073
16822992620,3cyclictest41-21ksoftirqd/301:37:133
16813992621,3cyclictest33-21ksoftirqd/222:52:182
16813992621,3cyclictest33-21ksoftirqd/200:57:202
16813992620,3cyclictest33-21ksoftirqd/222:02:162
16813992620,3cyclictest33-21ksoftirqd/201:57:162
16813992620,3cyclictest33-21ksoftirqd/201:57:162
16813992620,3cyclictest33-21ksoftirqd/201:12:222
16813992619,4cyclictest33-21ksoftirqd/223:16:512
16813992619,4cyclictest33-21ksoftirqd/221:31:162
16802992621,3cyclictest9-21ksoftirqd/023:22:120
16802992621,3cyclictest9-21ksoftirqd/021:51:580
16802992621,3cyclictest9-21ksoftirqd/002:32:300
16802992621,3cyclictest9-21ksoftirqd/002:17:230
16802992621,3cyclictest9-21ksoftirqd/001:27:030
16802992621,3cyclictest9-21ksoftirqd/000:37:010
16802992621,3cyclictest9-21ksoftirqd/000:27:200
16802992620,3cyclictest9-21ksoftirqd/021:32:100
16802992620,3cyclictest9-21ksoftirqd/002:42:190
16802992619,4cyclictest5863-21ssh01:57:130
16802992619,4cyclictest5863-21ssh01:57:130
106891260,1ptp4l401ktimersoftd/322:10:203
106891260,0ptp4l401ktimersoftd/321:38:193
91662250,10sleep0101ktimersoftd/000:53:290
16822992518,4cyclictest41-21ksoftirqd/322:14:373
16813992520,3cyclictest33-21ksoftirqd/200:37:192
16813992519,3cyclictest33-21ksoftirqd/221:41:582
16813992519,3cyclictest33-21ksoftirqd/202:02:252
16813992519,3cyclictest33-21ksoftirqd/200:32:132
16813992518,4cyclictest33-21ksoftirqd/221:46:502
1680299253,6cyclictest121rcu_preempt00:40:390
16802992520,3cyclictest9-21ksoftirqd/023:32:180
16802992520,3cyclictest9-21ksoftirqd/023:27:230
16802992520,3cyclictest9-21ksoftirqd/022:26:580
16802992520,3cyclictest9-21ksoftirqd/001:27:210
16802992520,3cyclictest9-21ksoftirqd/000:12:170
16802992519,3cyclictest9-21ksoftirqd/022:17:110
16802992519,3cyclictest9-21ksoftirqd/000:07:170
16802992518,4cyclictest9-21ksoftirqd/022:55:050
16802992518,4cyclictest9-21ksoftirqd/022:29:270
16802992518,4cyclictest9-21ksoftirqd/021:41:140
1680299251,15cyclictest10846-21ssh02:02:180
16813992418,3cyclictest33-21ksoftirqd/222:22:092
16813992418,3cyclictest33-21ksoftirqd/200:32:012
16802992419,3cyclictest9-21ksoftirqd/023:52:290
16802992419,3cyclictest9-21ksoftirqd/023:37:180
16802992419,3cyclictest9-21ksoftirqd/022:32:170
16802992419,3cyclictest9-21ksoftirqd/022:32:170
16802992419,3cyclictest9-21ksoftirqd/001:47:290
16802992419,3cyclictest9-21ksoftirqd/001:02:210
16802992419,3cyclictest9-21ksoftirqd/000:02:180
16802992417,4cyclictest9-21ksoftirqd/022:49:070
106891240,1ptp4l401ktimersoftd/323:12:293
106891240,1ptp4l401ktimersoftd/322:52:123
106891240,1ptp4l401ktimersoftd/321:32:203
106891240,0ptp4l401ktimersoftd/321:56:063
16802992319,3cyclictest9-21ksoftirqd/023:57:270
16802992318,3cyclictest9-21ksoftirqd/023:47:190
16802992318,3cyclictest9-21ksoftirqd/023:17:190
16802992318,3cyclictest9-21ksoftirqd/002:37:200
16802992318,3cyclictest9-21ksoftirqd/001:42:220
16802992317,3cyclictest9-21ksoftirqd/021:42:160
16802992317,3cyclictest9-21ksoftirqd/002:23:180
16802992316,4cyclictest9-21ksoftirqd/022:40:360
16802992316,4cyclictest9-21ksoftirqd/022:40:360
1680299231,13cyclictest20590-21ssh02:12:200
106891230,1ptp4l401ktimersoftd/323:02:263
106891230,1ptp4l401ktimersoftd/321:21:583
16802992217,3cyclictest9-21ksoftirqd/023:11:590
16802992217,3cyclictest3065-1kworker/u9:001:21:400
16802992216,3cyclictest9-21ksoftirqd/023:16:450
16802992216,3cyclictest9-21ksoftirqd/022:58:500
16802992215,4cyclictest9-21ksoftirqd/021:22:310
16802992211,8cyclictest9-21ksoftirqd/001:40:500
16802992117,3cyclictest9-21ksoftirqd/021:57:180
16802992116,3cyclictest9-21ksoftirqd/021:27:100
16802992116,3cyclictest9-21ksoftirqd/000:47:180
16802992115,4cyclictest9-21ksoftirqd/022:16:550
16802992114,4cyclictest9-21ksoftirqd/022:05:310
16802992015,3cyclictest9-21ksoftirqd/021:17:150
16802991913,4cyclictest1055-21runrttasks23:04:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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