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2026-05-18 - 13:15
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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 all highest latencies:
System rackbslot6.osadl.org (updated Mon May 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1359921490,4sleep21943299cyclictest01:19:522
2224421380,2sleep01941999cyclictest23:17:130
106891910,3ptp4l401ktimersoftd/320:33:483
26852700,1sleep30-21swapper/301:08:133
313002660,2sleep01941999cyclictest00:00:050
186692660,5sleep233-21ksoftirqd/200:19:582
192772644,47sleep00-21swapper/020:36:060
287652630,1sleep30-21swapper/323:24:473
246592590,4sleep224663-21timerwakeupswit22:47:122
106891580,1ptp4l401ktimersoftd/323:43:393
106891570,1ptp4l401ktimersoftd/323:03:503
106891570,1ptp4l401ktimersoftd/323:03:503
106891570,1ptp4l401ktimersoftd/322:51:103
280232560,1sleep20-21swapper/222:51:532
106891550,1ptp4l401ktimersoftd/322:54:453
87762540,2sleep00-21swapper/023:04:400
87762540,2sleep00-21swapper/023:04:400
151072540,2sleep20-21swapper/200:48:002
151072540,2sleep20-21swapper/200:48:002
101572540,2sleep10-21swapper/121:21:591
106891520,1ptp4l401ktimersoftd/300:43:223
106891520,1ptp4l401ktimersoftd/300:43:223
191612514,36sleep10-21swapper/120:34:341
192072504,33sleep20-21swapper/220:35:122
106891500,0ptp4l401ktimersoftd/300:36:453
106891500,0ptp4l401ktimersoftd/300:36:453
106891490,2ptp4l2310-21kworker/3:201:22:113
118782480,2sleep10-21swapper/123:40:511
106891450,1ptp4l401ktimersoftd/323:13:003
106891430,1ptp4l401ktimersoftd/322:04:163
106891430,1ptp4l401ktimersoftd/321:04:513
106891410,1ptp4l401ktimersoftd/301:47:473
106891400,1ptp4l401ktimersoftd/323:09:293
106891400,1ptp4l401ktimersoftd/323:09:293
106891400,1ptp4l401ktimersoftd/300:36:313
304942390,2sleep30-21swapper/323:26:553
106891390,1ptp4l401ktimersoftd/323:32:103
106891390,1ptp4l401ktimersoftd/300:07:023
106891390,14ptp4l401ktimersoftd/321:51:403
106891390,0ptp4l401ktimersoftd/300:11:463
106891380,1ptp4l401ktimersoftd/323:38:573
106891380,1ptp4l401ktimersoftd/322:37:333
106891380,1ptp4l401ktimersoftd/302:02:243
106891380,1ptp4l401ktimersoftd/301:45:303
106891380,1ptp4l401ktimersoftd/301:16:483
106891380,1ptp4l401ktimersoftd/300:55:093
106891380,1ptp4l401ktimersoftd/300:51:233
106891380,1ptp4l401ktimersoftd/300:51:233
106891370,1ptp4l401ktimersoftd/323:56:023
106891370,1ptp4l401ktimersoftd/323:01:133
106891370,1ptp4l401ktimersoftd/322:08:003
106891370,1ptp4l401ktimersoftd/301:52:453
106891370,1ptp4l401ktimersoftd/301:39:553
106891370,1ptp4l401ktimersoftd/301:33:493
106891370,1ptp4l401ktimersoftd/301:02:203
106891370,1ptp4l401ktimersoftd/301:00:213
106891370,1ptp4l401ktimersoftd/300:29:433
106891370,0ptp4l401ktimersoftd/323:50:093
106891370,0ptp4l401ktimersoftd/301:27:143
106891370,0ptp4l401ktimersoftd/300:04:313
106891360,1ptp4l401ktimersoftd/323:17:033
106891360,1ptp4l401ktimersoftd/322:45:303
106891360,1ptp4l401ktimersoftd/322:32:003
106891360,1ptp4l401ktimersoftd/302:00:543
106891360,1ptp4l401ktimersoftd/300:24:233
106891350,1ptp4l401ktimersoftd/301:13:283
106891340,0ptp4l401ktimersoftd/300:01:123
19432993327,3cyclictest33-21ksoftirqd/223:46:422
120622330,1sleep10-21swapper/123:07:101
120622330,1sleep10-21swapper/123:07:101
106891330,2ptp4l14270-21kworker/3:020:41:153
106891330,11ptp4l401ktimersoftd/321:27:053
19426993227,3cyclictest25-21ksoftirqd/100:26:431
106891320,0ptp4l401ktimersoftd/322:28:483
88692310,2sleep20-21swapper/223:04:502
88692310,2sleep20-21swapper/223:04:502
106891310,1ptp4l401ktimersoftd/320:54:413
19432993025,3cyclictest33-21ksoftirqd/221:26:392
106891300,0ptp4l401ktimersoftd/322:25:043
106891300,0ptp4l401ktimersoftd/321:35:123
106891300,0ptp4l401ktimersoftd/300:17:353
19432992921,6cyclictest33-21ksoftirqd/223:12:012
106891290,11ptp4l401ktimersoftd/320:46:213
322112280,3sleep032298-21tr21:01:520
1943299283,2cyclictest121rcu_preempt00:22:152
19432992821,4cyclictest33-21ksoftirqd/221:57:292
106891280,1ptp4l401ktimersoftd/321:15:163
19432992721,3cyclictest33-21ksoftirqd/220:36:492
19432992721,3cyclictest33-21ksoftirqd/201:01:392
19432992720,4cyclictest5498-21df_inode01:12:002
19426992720,4cyclictest25-21ksoftirqd/122:19:281
19419992720,4cyclictest9-21ksoftirqd/020:38:470
106891270,0ptp4l401ktimersoftd/321:55:313
19438992620,3cyclictest41-21ksoftirqd/322:00:203
1943299264,3cyclictest121rcu_preempt01:24:362
19432992622,3cyclictest33-21ksoftirqd/201:07:072
19432992621,3cyclictest33-21ksoftirqd/223:50:452
19432992621,3cyclictest33-21ksoftirqd/221:55:112
19432992621,3cyclictest33-21ksoftirqd/202:06:462
19432992621,3cyclictest33-21ksoftirqd/200:02:002
19432992620,3cyclictest33-21ksoftirqd/221:47:442
19432992620,3cyclictest33-21ksoftirqd/200:46:212
19432992620,3cyclictest33-21ksoftirqd/200:46:212
19432992619,4cyclictest33-21ksoftirqd/201:40:562
19432992619,4cyclictest33-21ksoftirqd/200:07:212
19432992619,4cyclictest13283-21sed22:36:582
19432992619,3cyclictest33-21ksoftirqd/222:10:562
19419992621,3cyclictest9-21ksoftirqd/023:31:420
19419992621,3cyclictest9-21ksoftirqd/001:52:070
19419992620,3cyclictest9-21ksoftirqd/021:45:570
106891260,0ptp4l401ktimersoftd/321:24:463
106891260,0ptp4l401ktimersoftd/321:00:033
19438992518,4cyclictest41-21ksoftirqd/322:18:313
19432992520,3cyclictest33-21ksoftirqd/223:31:262
19432992520,3cyclictest33-21ksoftirqd/222:45:202
19432992519,3cyclictest33-21ksoftirqd/220:46:512
19432992518,4cyclictest33-21ksoftirqd/201:57:502
19432992518,4cyclictest29562-21grep23:57:132
19426992520,3cyclictest25-21ksoftirqd/123:46:551
19426992520,3cyclictest25-21ksoftirqd/101:55:211
19426992519,3cyclictest25-21ksoftirqd/101:21:451
19426992519,3cyclictest25-21ksoftirqd/101:00:281
19426992518,5cyclictest26043-21ssh23:54:351
19426992518,4cyclictest25-21ksoftirqd/121:19:431
19426992518,4cyclictest25-21ksoftirqd/121:19:431
19419992520,3cyclictest9-21ksoftirqd/001:06:590
19419992519,3cyclictest9-21ksoftirqd/021:28:550
19419992518,4cyclictest9-21ksoftirqd/020:52:320
19419992518,4cyclictest9-21ksoftirqd/000:51:560
106891250,1ptp4l401ktimersoftd/321:36:513
106891250,1ptp4l401ktimersoftd/321:16:583
106891250,1ptp4l401ktimersoftd/321:16:583
1943299242,19cyclictest3668-21ps01:42:052
19432992419,3cyclictest33-21ksoftirqd/223:36:542
19432992419,3cyclictest33-21ksoftirqd/223:32:112
19432992419,3cyclictest33-21ksoftirqd/222:31:412
19432992419,3cyclictest33-21ksoftirqd/222:01:542
19432992418,4cyclictest33-21ksoftirqd/201:26:582
19432992418,3cyclictest33-21ksoftirqd/221:02:172
19432992418,3cyclictest33-21ksoftirqd/220:54:412
19432992417,4cyclictest33-21ksoftirqd/221:28:432
19432992417,4cyclictest29487-21kworker/2:000:52:122
19432992416,5cyclictest33-21ksoftirqd/221:19:482
19432992416,5cyclictest33-21ksoftirqd/221:19:482
19426992419,3cyclictest25-21ksoftirqd/123:26:561
19426992419,3cyclictest25-21ksoftirqd/102:02:141
19426992419,3cyclictest25-21ksoftirqd/100:29:041
19426992418,4cyclictest25-21ksoftirqd/123:21:531
19426992417,5cyclictest25-21ksoftirqd/122:41:411
19426992417,4cyclictest25-21ksoftirqd/122:33:421
19426992417,4cyclictest25-21ksoftirqd/120:39:561
19426992417,4cyclictest23534-21ssh23:19:201
19426992417,4cyclictest16519-21ssh22:40:201
19426992411,10cyclictest21781-21sh01:27:101
19419992419,3cyclictest9-21ksoftirqd/001:44:440
19419992418,3cyclictest9-21ksoftirqd/022:15:540
19419992417,4cyclictest8363-21tr01:47:010
1941999241,4cyclictest30857-21apt-get22:06:530
106891240,1ptp4l401ktimersoftd/322:12:053
106891240,1ptp4l401ktimersoftd/321:06:523
106891240,1ptp4l401ktimersoftd/320:46:523
106891240,0ptp4l401ktimersoftd/321:45:193
71892230,19sleep112342-21diskmemload00:07:211
19432992319,3cyclictest33-21ksoftirqd/223:00:002
19432992318,3cyclictest33-21ksoftirqd/223:16:592
19432992317,3cyclictest33-21ksoftirqd/222:21:202
19432992317,3cyclictest33-21ksoftirqd/200:11:592
19432992316,4cyclictest33-21ksoftirqd/220:42:542
19432992311,9cyclictest10097-21sh01:47:462
1942699233,15cyclictest17858-21apt-get01:56:591
1942699233,14cyclictest2957-21apt-get01:41:581
19426992317,4cyclictest25-21ksoftirqd/122:04:591
19426992317,4cyclictest25-21ksoftirqd/121:41:061
19426992317,4cyclictest25-21ksoftirqd/120:55:141
19426992317,3cyclictest25-21ksoftirqd/121:04:121
19426992316,4cyclictest25-21ksoftirqd/121:09:551
19426992314,7cyclictest1676-21irqstats22:12:001
1942699230,7cyclictest32233-21cron01:06:441
1941999232,8cyclictest27933-21apt-get22:51:520
19419992317,4cyclictest9-21ksoftirqd/000:37:350
19419992317,4cyclictest9-21ksoftirqd/000:37:350
19419992317,4cyclictest20000-21ssh23:47:460
19419992317,3cyclictest9-21ksoftirqd/022:05:490
19419992317,3cyclictest9-21ksoftirqd/021:22:310
19419992317,3cyclictest9-21ksoftirqd/021:10:140
19419992316,4cyclictest9-21ksoftirqd/000:33:530
19419992316,4cyclictest18155-21cpuspeed_turbos22:41:590
1941999230,5cyclictest22866-21tr00:56:570
169022230,3sleep017023-21interrupts21:36:570
244212221,17sleep124426-21snmp_o5powerctl22:47:081
19432992216,3cyclictest33-21ksoftirqd/221:41:082
19432992215,4cyclictest33-21ksoftirqd/221:32:322
19432992215,4cyclictest33-21ksoftirqd/221:14:422
19432992213,5cyclictest12248-21sh23:07:112
19432992213,5cyclictest12248-21sh23:07:112
1943299221,2cyclictest121rcu_preempt23:24:042
19426992217,3cyclictest25-21ksoftirqd/123:46:171
19426992217,3cyclictest25-21ksoftirqd/101:37:141
19426992216,4cyclictest25-21ksoftirqd/121:57:481
19426992216,3cyclictest25-21ksoftirqd/121:01:231
19426992216,3cyclictest25-21ksoftirqd/120:51:171
19426992216,3cyclictest25-21ksoftirqd/101:22:001
19426992215,4cyclictest25-21ksoftirqd/122:52:121
19426992215,4cyclictest25-21ksoftirqd/121:44:031
19426992214,5cyclictest28794-21missed_timers23:57:041
19419992217,3cyclictest9-21ksoftirqd/022:19:150
19419992217,3cyclictest9-21ksoftirqd/000:24:100
19419992216,4cyclictest9-21ksoftirqd/000:09:560
1941999221,4cyclictest8246-21snmp_o5powerctl21:17:060
1941999221,4cyclictest8246-21snmp_o5powerctl21:17:060
1941999221,3cyclictest0-21swapper/001:26:570
1941999221,19cyclictest0-21swapper/021:48:080
1943299213,11cyclictest30091-21apt-get00:31:572
19432992116,3cyclictest33-21ksoftirqd/201:01:572
19432992115,4cyclictest33-21ksoftirqd/200:39:292
19432992115,4cyclictest33-21ksoftirqd/200:39:292
19432992114,4cyclictest33-21ksoftirqd/222:32:302
19432992114,4cyclictest25239-21tr00:26:582
19426992115,4cyclictest25-21ksoftirqd/120:46:141
19426992115,3cyclictest6915-21sh00:41:191
19426992115,3cyclictest6915-21sh00:41:191
19426992115,3cyclictest5462-21cpu23:01:551
19426992115,3cyclictest5462-21cpu23:01:551
19426992114,5cyclictest25-21ksoftirqd/100:36:441
19426992114,4cyclictest5225-21sh01:11:581
19426992114,4cyclictest47050irq/101-ens3-Tx00:01:531
19426992114,4cyclictest25-21ksoftirqd/123:00:151
19426992114,4cyclictest20810-21sh00:54:151
19426992114,4cyclictest12150-21idleruntime21:26:561
19426992113,4cyclictest27812-21seq01:33:191
19426992112,5cyclictest15623-21gltestperf00:16:591
19426992112,4cyclictest3000-21cpuspeed_turbos23:31:551
19426992111,7cyclictest12768-21acpi00:46:561
19426992111,7cyclictest12768-21acpi00:46:561
19419992116,3cyclictest9-21ksoftirqd/022:27:550
19419992115,3cyclictest9-21ksoftirqd/022:33:400
19419992115,3cyclictest9-21ksoftirqd/002:03:040
19419992114,4cyclictest9-21ksoftirqd/023:42:220
19419992114,4cyclictest15416-21expr00:16:570
19419992114,4cyclictest13950-21/usr/sbin/munin21:31:590
1941999211,3cyclictest31261-21ssh01:05:070
1941999211,19cyclictest0-21swapper/020:58:550
1941999211,17cyclictest26101-21apt-get21:56:530
10232210,2sleep20-21swapper/222:11:552
260452200,5sleep01941999cyclictest23:54:350
1943299204,9cyclictest29844-21apt-get20:56:502
1943299202,12cyclictest25302-21apt-get01:31:572
19432992013,4cyclictest33-21ksoftirqd/221:41:572
19432992013,4cyclictest24651-21sh23:52:152
19432992012,5cyclictest13068-21cstates01:51:582
19426992014,4cyclictest5450-21/usr/sbin/munin22:21:561
19426992014,3cyclictest25-21ksoftirqd/121:34:151
19426992014,3cyclictest24037-21grep21:51:551
19426992013,5cyclictest480-21sh01:06:581
19426992013,4cyclictest8934-21ls22:27:021
19419992015,3cyclictest9-21ksoftirqd/023:08:170
19419992015,3cyclictest9-21ksoftirqd/023:08:170
19419992015,3cyclictest12705-21/usr/sbin/munin00:47:000
19419992015,3cyclictest12705-21/usr/sbin/munin00:47:000
19419992014,4cyclictest8654-21cut23:37:010
19419992014,3cyclictest7180-21apt-get00:41:450
19419992014,3cyclictest7180-21apt-get00:41:450
19419992014,3cyclictest6434-21seq21:14:400
19419992014,3cyclictest32589-21/usr/sbin/munin00:02:000
19419992014,3cyclictest26886-21timerandwakeup01:32:130
1941999201,3cyclictest25074-21snmp_o5powerctl21:52:040
19419992013,4cyclictest30895-21head01:37:020
19419992013,4cyclictest29856-21ls00:31:440
19419992013,4cyclictest24922-21sh22:47:210
19419992013,4cyclictest14997-21latency_hist23:11:420
19419992013,4cyclictest13295-21hddtemp_smartct22:36:580
19419992013,4cyclictest12342-21diskmemload23:22:100
19419992013,4cyclictest12342-21diskmemload01:17:190
19419992013,4cyclictest10038-21sh00:11:440
1941999201,17cyclictest0-21swapper/020:43:390
1941999200,4cyclictest5139-21/usr/sbin/munin01:12:050
1193222013,3sleep125-21ksoftirqd/100:46:041
1193222013,3sleep125-21ksoftirqd/100:46:041
19432991914,3cyclictest33-21ksoftirqd/222:22:032
19432991913,3cyclictest2095-21/usr/sbin/munin21:06:572
1942699197,9cyclictest0-21swapper/123:13:451
19426991913,3cyclictest5603-21cut21:12:011
19426991913,3cyclictest14248-21sh00:15:511
19426991912,4cyclictest8845-21cut01:47:041
19426991912,4cyclictest32079-21cut22:07:031
19426991911,4cyclictest1055-21runrttasks21:46:531
19419991914,3cyclictest9-21ksoftirqd/001:21:490
19419991912,4cyclictest1990-21cat22:57:090
1941999191,16cyclictest0-21swapper/022:23:130
1941999191,16cyclictest0-21swapper/020:46:430
1941999191,15cyclictest4683-21grep23:32:110
1941999180,16cyclictest20164-21ssh01:58:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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