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2026-05-23 - 18:26
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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 Sat May 23, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
508421620,3sleep12126499cyclictest09:10:031
1842721530,2sleep02125799cyclictest11:49:440
1068911450,35ptp4l401ktimersoftd/308:37:103
98552880,1sleep00-21swapper/013:19:420
209582860,2sleep10-21swapper/111:19:261
294772650,4sleep129484-21irqrtprio12:00:051
21270996349,8cyclictest33-21ksoftirqd/212:39:582
211382624,10sleep10-21swapper/108:39:241
21275996153,4cyclictest41-21ksoftirqd/312:09:583
106891600,1ptp4l401ktimersoftd/313:38:153
90142590,2sleep00-21swapper/012:45:050
106891580,1ptp4l401ktimersoftd/313:34:423
106891580,1ptp4l401ktimersoftd/311:03:463
21275995746,6cyclictest41-21ksoftirqd/311:04:573
148622570,4sleep125-21ksoftirqd/112:18:361
148622570,4sleep125-21ksoftirqd/112:18:361
54032560,2sleep20-21swapper/213:14:582
322312540,2sleep20-21swapper/212:03:032
21275995342,5cyclictest41-21ksoftirqd/308:44:523
21275995342,5cyclictest41-21ksoftirqd/308:44:523
21275995241,5cyclictest41-21ksoftirqd/313:04:593
211202514,36sleep00-21swapper/008:39:110
17752500,2sleep10-21swapper/109:05:091
21275994939,4cyclictest41-21ksoftirqd/310:14:543
21275994739,4cyclictest41-21ksoftirqd/311:34:493
21275994633,3cyclictest41-21ksoftirqd/311:25:023
106891460,2ptp4l17151-21kworker/3:212:41:073
21275994522,7cyclictest41-21ksoftirqd/309:55:043
21275994436,4cyclictest41-21ksoftirqd/313:14:583
21275994430,3cyclictest41-21ksoftirqd/311:44:463
106891440,1ptp4l17151-21kworker/3:212:31:393
2127599437,3cyclictest41-21ksoftirqd/313:00:413
21275994334,4cyclictest41-21ksoftirqd/309:29:553
21275994332,3cyclictest41-21ksoftirqd/313:20:173
21275994318,4cyclictest41-21ksoftirqd/313:29:033
21275994318,4cyclictest41-21ksoftirqd/312:05:473
21275994318,4cyclictest41-21ksoftirqd/311:48:023
2127599431,4cyclictest12635-21apt-get12:49:463
21275994234,4cyclictest41-21ksoftirqd/312:49:513
21275994222,7cyclictest41-21ksoftirqd/310:55:063
21275994219,4cyclictest41-21ksoftirqd/312:18:553
21275994219,4cyclictest41-21ksoftirqd/312:18:553
21275994216,4cyclictest41-21ksoftirqd/311:58:073
34162410,2sleep00-21swapper/011:34:390
2127599414,4cyclictest41-21ksoftirqd/310:20:013
21275994119,4cyclictest41-21ksoftirqd/310:00:013
21275994117,4cyclictest41-21ksoftirqd/311:20:503
21275994113,8cyclictest41-21ksoftirqd/313:54:483
21275994112,13cyclictest41-21ksoftirqd/310:44:433
2127599405,3cyclictest22415-21kworker/3:114:06:003
21275994027,10cyclictest41-21ksoftirqd/311:34:453
21275994018,4cyclictest41-21ksoftirqd/310:30:113
21275994016,4cyclictest41-21ksoftirqd/312:55:233
21275994015,4cyclictest41-21ksoftirqd/310:46:553
2127599401,3cyclictest41-21ksoftirqd/309:39:593
21275994013,9cyclictest41-21ksoftirqd/313:49:483
21264994029,8cyclictest25-21ksoftirqd/111:49:441
21275993929,3cyclictest41-21ksoftirqd/312:25:063
21275993929,3cyclictest41-21ksoftirqd/311:10:023
21275993918,7cyclictest41-21ksoftirqd/314:00:183
21275993918,7cyclictest41-21ksoftirqd/314:00:183
21275993916,4cyclictest41-21ksoftirqd/311:49:463
2127599391,3cyclictest41-21ksoftirqd/312:00:063
2127599387,8cyclictest41-21ksoftirqd/308:55:113
2127599386,10cyclictest41-21ksoftirqd/310:39:433
2127599386,10cyclictest41-21ksoftirqd/310:39:433
21275993827,3cyclictest41-21ksoftirqd/313:10:573
21275993825,3cyclictest41-21ksoftirqd/310:25:003
21275993823,12cyclictest41-21ksoftirqd/309:05:193
2127599381,3cyclictest41-21ksoftirqd/308:49:533
21275993810,4cyclictest41-21ksoftirqd/308:39:593
106891380,1ptp4l401ktimersoftd/313:55:523
106891380,1ptp4l401ktimersoftd/313:40:063
106891380,1ptp4l401ktimersoftd/310:54:233
106891380,1ptp4l401ktimersoftd/309:19:573
2127599379,5cyclictest41-21ksoftirqd/311:14:563
2127599374,5cyclictest121rcu_preempt10:09:423
2127599371,3cyclictest41-21ksoftirqd/309:14:593
21275993622,4cyclictest41-21ksoftirqd/312:37:593
2127599361,3cyclictest41-21ksoftirqd/308:59:593
2127599357,4cyclictest41-21ksoftirqd/309:10:043
21275993529,3cyclictest41-21ksoftirqd/309:50:023
21275993523,4cyclictest41-21ksoftirqd/309:45:013
2127599350,3cyclictest121rcu_preempt09:24:563
106891350,0ptp4l401ktimersoftd/312:21:503
21275993428,3cyclictest41-21ksoftirqd/309:35:093
21275993410,4cyclictest41-21ksoftirqd/310:09:593
311402330,5sleep231142-21unixbench_multi10:55:142
21270993320,10cyclictest33-21ksoftirqd/211:29:452
21264993227,3cyclictest25-21ksoftirqd/109:29:421
21257993127,2cyclictest9-21ksoftirqd/009:19:420
21264993025,3cyclictest25-21ksoftirqd/112:49:461
21264993024,3cyclictest25-21ksoftirqd/111:24:451
21257993024,3cyclictest9-21ksoftirqd/012:29:460
202642300,2sleep10-21swapper/112:24:261
21270992923,3cyclictest33-21ksoftirqd/210:54:442
21270992922,3cyclictest33-21ksoftirqd/213:30:002
21264992924,3cyclictest25-21ksoftirqd/112:50:051
21264992923,3cyclictest25-21ksoftirqd/111:34:451
209362296,10sleep20-21swapper/208:36:472
89682280,2sleep20-21swapper/209:19:552
21270992823,3cyclictest33-21ksoftirqd/212:49:462
21270992822,3cyclictest33-21ksoftirqd/209:30:022
21264992823,3cyclictest25-21ksoftirqd/112:34:461
21264992822,4cyclictest25-21ksoftirqd/112:04:581
21264992822,3cyclictest25-21ksoftirqd/110:34:431
21264992821,5cyclictest25-21ksoftirqd/112:35:551
21257992823,3cyclictest9-21ksoftirqd/013:04:470
21257992822,3cyclictest9-21ksoftirqd/010:40:030
21257992818,5cyclictest9-21ksoftirqd/010:59:550
16132280,4sleep22127099cyclictest12:37:442
21270992721,3cyclictest33-21ksoftirqd/213:00:062
21270992721,3cyclictest33-21ksoftirqd/211:45:042
21270992719,5cyclictest33-21ksoftirqd/210:39:572
21264992722,3cyclictest25-21ksoftirqd/113:29:491
21264992722,3cyclictest25-21ksoftirqd/111:09:591
21264992722,3cyclictest25-21ksoftirqd/110:29:431
21264992721,3cyclictest25-21ksoftirqd/114:05:071
21264992721,3cyclictest25-21ksoftirqd/111:44:461
21264992721,3cyclictest25-21ksoftirqd/109:59:431
21264992721,3cyclictest25-21ksoftirqd/108:54:551
21264992721,3cyclictest25-21ksoftirqd/108:44:441
21264992721,3cyclictest25-21ksoftirqd/108:44:441
21264992720,4cyclictest25-21ksoftirqd/113:05:061
21264992720,4cyclictest25-21ksoftirqd/110:00:331
21257992722,3cyclictest9-21ksoftirqd/013:35:010
21257992722,3cyclictest9-21ksoftirqd/011:05:040
21257992721,3cyclictest9-21ksoftirqd/010:50:030
21257992721,3cyclictest9-21ksoftirqd/009:45:010
299862260,1sleep00-21swapper/008:55:000
21270992621,3cyclictest33-21ksoftirqd/213:50:082
21270992620,3cyclictest33-21ksoftirqd/213:49:472
21270992620,3cyclictest33-21ksoftirqd/210:33:462
21270992620,3cyclictest33-21ksoftirqd/209:19:102
21270992614,6cyclictest321ktimersoftd/213:04:592
21264992621,3cyclictest25-21ksoftirqd/112:54:581
21264992621,3cyclictest25-21ksoftirqd/111:05:041
21264992620,3cyclictest25-21ksoftirqd/113:50:061
21264992620,3cyclictest25-21ksoftirqd/113:29:481
21264992620,3cyclictest25-21ksoftirqd/110:39:431
21264992620,3cyclictest25-21ksoftirqd/110:39:431
21264992620,3cyclictest25-21ksoftirqd/110:15:021
21257992621,3cyclictest9-21ksoftirqd/011:24:450
21257992621,3cyclictest9-21ksoftirqd/009:34:420
21257992619,4cyclictest9-21ksoftirqd/011:15:160
21257992617,6cyclictest9-21ksoftirqd/013:25:010
21257992617,6cyclictest1612-21ssh12:37:440
2125799261,3cyclictest31923-21ssh13:40:150
21257992612,4cyclictest9-21ksoftirqd/014:09:480
193502260,2sleep20-21swapper/214:00:232
193502260,2sleep20-21swapper/214:00:232
21270992520,3cyclictest33-21ksoftirqd/213:55:002
21270992520,3cyclictest33-21ksoftirqd/212:50:002
21270992520,3cyclictest33-21ksoftirqd/212:05:002
21270992520,3cyclictest33-21ksoftirqd/209:28:162
21270992519,3cyclictest33-21ksoftirqd/211:40:022
21270992519,3cyclictest33-21ksoftirqd/211:20:042
21270992519,3cyclictest33-21ksoftirqd/209:00:322
21270992518,4cyclictest33-21ksoftirqd/210:45:142
21270992518,4cyclictest33-21ksoftirqd/210:03:192
21270992518,4cyclictest33-21ksoftirqd/209:50:552
21270992518,4cyclictest33-21ksoftirqd/209:49:422
21270992518,4cyclictest33-21ksoftirqd/209:40:512
21264992520,3cyclictest25-21ksoftirqd/111:55:111
21264992520,3cyclictest25-21ksoftirqd/110:59:541
21264992520,3cyclictest25-21ksoftirqd/110:04:581
21264992520,3cyclictest25-21ksoftirqd/109:24:421
21264992519,4cyclictest25-21ksoftirqd/109:45:011
21264992519,3cyclictest25-21ksoftirqd/113:59:591
21264992519,3cyclictest25-21ksoftirqd/113:59:591
21264992513,9cyclictest5616-21sh12:41:121
2125799259,6cyclictest9-21ksoftirqd/011:35:050
21257992520,3cyclictest9-21ksoftirqd/012:40:130
21257992520,3cyclictest9-21ksoftirqd/010:39:430
21257992520,3cyclictest9-21ksoftirqd/010:39:430
21257992519,4cyclictest9-21ksoftirqd/010:24:210
21257992519,3cyclictest9-21ksoftirqd/010:19:140
21257992518,4cyclictest9-21ksoftirqd/009:29:410
2125799251,7cyclictest121rcu_preempt10:58:200
2127099243,16cyclictest4013-21apt-get09:09:542
21270992419,3cyclictest33-21ksoftirqd/213:20:062
21270992418,3cyclictest33-21ksoftirqd/211:19:442
21270992417,4cyclictest33-21ksoftirqd/208:44:142
2127099241,3cyclictest121rcu_preempt13:29:482
21264992419,3cyclictest25-21ksoftirqd/113:10:151
21264992419,3cyclictest25-21ksoftirqd/112:10:151
21264992419,3cyclictest25-21ksoftirqd/110:45:061
21264992417,4cyclictest25-21ksoftirqd/109:32:231
21264992417,4cyclictest16431-21grep09:34:591
2125799248,4cyclictest9-21ksoftirqd/009:14:420
21257992419,3cyclictest9-21ksoftirqd/013:20:100
21257992419,3cyclictest9-21ksoftirqd/012:20:050
21257992419,3cyclictest9-21ksoftirqd/010:49:430
21257992419,3cyclictest9-21ksoftirqd/010:10:020
21257992419,3cyclictest9-21ksoftirqd/009:49:540
21257992419,3cyclictest9-21ksoftirqd/009:35:020
21257992418,3cyclictest9-21ksoftirqd/009:42:260
21257992417,4cyclictest9-21ksoftirqd/010:05:460
2125799241,3cyclictest121rcu_preempt12:31:180
2125799241,15cyclictest0-21swapper/011:56:290
2125799240,3cyclictest121rcu_preempt13:59:490
2125799240,3cyclictest121rcu_preempt13:59:490
21270992319,3cyclictest33-21ksoftirqd/213:39:262
21270992318,3cyclictest33-21ksoftirqd/210:15:142
21270992318,3cyclictest33-21ksoftirqd/208:55:002
21270992317,3cyclictest33-21ksoftirqd/213:14:422
21264992318,3cyclictest25-21ksoftirqd/113:55:031
21264992318,3cyclictest25-21ksoftirqd/113:41:301
21264992318,3cyclictest25-21ksoftirqd/113:35:041
21264992318,3cyclictest25-21ksoftirqd/111:35:081
21264992318,3cyclictest25-21ksoftirqd/111:25:041
21264992318,3cyclictest25-21ksoftirqd/108:50:001
21264992317,3cyclictest25-21ksoftirqd/112:27:421
21264992317,3cyclictest25-21ksoftirqd/110:59:441
21264992317,3cyclictest25-21ksoftirqd/109:40:021
21264992316,5cyclictest25-21ksoftirqd/110:40:001
21257992318,3cyclictest9-21ksoftirqd/013:50:080
21257992318,3cyclictest9-21ksoftirqd/013:45:040
21257992318,3cyclictest9-21ksoftirqd/013:14:470
21257992318,3cyclictest9-21ksoftirqd/012:05:080
21257992318,3cyclictest9-21ksoftirqd/008:44:340
21257992317,3cyclictest9-21ksoftirqd/013:55:150
21257992317,3cyclictest9-21ksoftirqd/012:15:050
21257992317,3cyclictest9-21ksoftirqd/012:15:050
21257992317,3cyclictest9-21ksoftirqd/010:34:030
21257992317,3cyclictest9-21ksoftirqd/008:54:120
21257992315,6cyclictest0-21swapper/009:05:120
2125799230,3cyclictest121rcu_preempt11:11:380
21270992217,3cyclictest33-21ksoftirqd/210:05:032
21270992217,3cyclictest33-21ksoftirqd/209:57:022
21270992216,4cyclictest33-21ksoftirqd/214:05:072
21270992215,4cyclictest33-21ksoftirqd/213:40:562
21270992215,4cyclictest33-21ksoftirqd/211:33:202
21270992214,4cyclictest6980-21cstates11:04:592
2127099220,6cyclictest121rcu_preempt11:36:592
21264992217,3cyclictest47050irq/101-ens3-Tx13:45:261
21264992216,3cyclictest25-21ksoftirqd/110:10:091
21264992215,4cyclictest25-21ksoftirqd/109:04:011
21264992215,4cyclictest25-21ksoftirqd/108:44:051
21257992217,3cyclictest9-21ksoftirqd/013:30:000
21257992217,3cyclictest9-21ksoftirqd/013:05:030
21257992217,3cyclictest9-21ksoftirqd/011:29:450
21257992215,4cyclictest9-21ksoftirqd/009:01:590
21257992215,4cyclictest15022-21tail12:50:160
2127099213,3cyclictest121rcu_preempt11:56:092
21270992116,3cyclictest33-21ksoftirqd/212:30:042
21270992116,3cyclictest33-21ksoftirqd/210:09:502
21270992116,3cyclictest33-21ksoftirqd/209:05:122
21270992114,4cyclictest33-21ksoftirqd/208:49:522
21264992116,3cyclictest25-21ksoftirqd/113:19:481
21264992116,3cyclictest25-21ksoftirqd/113:00:031
21264992116,3cyclictest25-21ksoftirqd/111:50:151
21264992116,3cyclictest25-21ksoftirqd/109:19:421
21264992114,4cyclictest23844-21interrupts09:49:591
21264992114,4cyclictest10602-21sh13:20:021
21257992116,3cyclictest9-21ksoftirqd/011:39:580
21257992115,3cyclictest7821-21grep10:25:000
21257992115,3cyclictest1055-21runrttasks11:53:030
2125799211,12cyclictest121rcu_preempt12:00:160
180242210,16sleep20-21swapper/212:54:512
21270992016,3cyclictest33-21ksoftirqd/212:15:162
21270992016,3cyclictest33-21ksoftirqd/212:15:162
21270992014,3cyclictest15199-21sh11:12:592
21270992013,4cyclictest26621-21latency_hist08:49:412
21270992013,4cyclictest26621-21latency_hist08:49:412
21270992013,4cyclictest22454-21sh11:53:112
21270992013,4cyclictest19337-21sh12:22:512
21270992013,4cyclictest1779-21/usr/sbin/munin11:00:112
21270992013,4cyclictest16000-21/usr/sbin/munin09:34:582
21257992015,3cyclictest9-21ksoftirqd/009:55:100
21257992014,3cyclictest18325-21tr12:55:000
21257992013,4cyclictest8666-21/usr/sbin/munin09:20:040
21257992013,4cyclictest27992-21cpuspeed_turbos09:59:560
21257992013,4cyclictest25140-21cat08:44:580
21257992013,4cyclictest25140-21cat08:44:580
2125799201,16cyclictest14182-21diskmemload12:12:320
2127099197,3cyclictest21339-21grep12:25:022
21270991913,3cyclictest6684-21sh12:10:032
21264991914,3cyclictest25-21ksoftirqd/110:49:581
21264991913,3cyclictest6606-21awk10:20:121
21270991811,4cyclictest7976-21if_err_enp1s0.110:25:022
21270991811,4cyclictest5525-21if_enp1s010:20:002
2127099181,14cyclictest12519-21grep10:34:592
2127099181,14cyclictest12519-21grep10:34:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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