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2026-01-10 - 10:19
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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 Jan 10, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3054721560,3sleep02798799cyclictest23:12:240
2909521510,3sleep12799499cyclictest20:31:101
828921500,5sleep12799499cyclictest20:56:031
1068911080,4ptp4l401ktimersoftd/319:22:313
260422700,2sleep20-21swapper/223:08:052
260872694,10sleep10-21swapper/119:20:591
117862680,3sleep211791-21irqrtprio19:56:022
75002640,2sleep30-21swapper/321:43:343
63882630,2sleep20-21swapper/221:41:412
317672620,2sleep10-21swapper/123:14:301
165872590,2sleep30-21swapper/323:31:143
27987995518,10cyclictest9-21ksoftirqd/020:51:150
172522550,2sleep10-21swapper/123:31:361
106891550,1ptp4l401ktimersoftd/323:39:013
277352544,40sleep00-21swapper/019:23:490
276082544,10sleep20-21swapper/219:22:092
27987995222,7cyclictest9-21ksoftirqd/019:46:000
103792520,2sleep10-21swapper/122:51:291
27987995145,3cyclictest9-21ksoftirqd/020:35:510
27987995020,8cyclictest9-21ksoftirqd/021:31:000
27987994943,3cyclictest9-21ksoftirqd/019:55:500
27987994936,3cyclictest9-21ksoftirqd/022:31:010
27987994841,4cyclictest9-21ksoftirqd/020:45:510
27987994840,4cyclictest9-21ksoftirqd/020:00:500
27987994833,4cyclictest9-21ksoftirqd/000:26:130
27987994823,3cyclictest9-21ksoftirqd/021:36:000
27987994820,10cyclictest9-21ksoftirqd/022:06:070
27987994819,7cyclictest9-21ksoftirqd/022:15:490
32902470,1sleep30-21swapper/321:39:453
2798799475,3cyclictest9-21ksoftirqd/000:16:050
27987994722,4cyclictest9-21ksoftirqd/022:04:420
27987994722,4cyclictest9-21ksoftirqd/022:04:420
27987994719,6cyclictest9-21ksoftirqd/023:20:500
27987994717,8cyclictest9-21ksoftirqd/021:11:050
2798799463,3cyclictest9-21ksoftirqd/021:45:300
27987994626,7cyclictest9-21ksoftirqd/000:01:080
27987994624,7cyclictest9-21ksoftirqd/022:26:040
27987994621,4cyclictest9-21ksoftirqd/022:19:160
27987994617,7cyclictest9-21ksoftirqd/023:45:510
27987994617,7cyclictest9-21ksoftirqd/019:36:030
2798799458,3cyclictest9-21ksoftirqd/021:56:170
2798799452,6cyclictest9-21ksoftirqd/022:51:010
27987994523,4cyclictest9-21ksoftirqd/020:13:340
27987994522,4cyclictest9-21ksoftirqd/021:54:060
27987994516,7cyclictest9-21ksoftirqd/020:31:040
2798799444,6cyclictest9-21ksoftirqd/000:53:150
2798799443,6cyclictest9-21ksoftirqd/000:36:200
27987994426,9cyclictest9-21ksoftirqd/000:07:160
27987994421,4cyclictest9-21ksoftirqd/021:46:560
27987994421,4cyclictest9-21ksoftirqd/000:47:330
27987994420,4cyclictest9-21ksoftirqd/022:48:000
27987994420,4cyclictest9-21ksoftirqd/000:22:430
27987994418,4cyclictest9-21ksoftirqd/000:44:080
27987994416,5cyclictest9-21ksoftirqd/022:23:370
27987994414,8cyclictest9-21ksoftirqd/023:35:120
27987994410,8cyclictest9-21ksoftirqd/020:56:120
2798799439,3cyclictest9-21ksoftirqd/021:27:360
2798799434,7cyclictest9-21ksoftirqd/023:01:120
2798799433,8cyclictest9-21ksoftirqd/020:21:030
27987994331,3cyclictest9-21ksoftirqd/023:49:330
27987994331,3cyclictest9-21ksoftirqd/023:49:330
2798799432,7cyclictest9-21ksoftirqd/020:06:080
27987994315,6cyclictest9-21ksoftirqd/021:21:150
27987994314,7cyclictest9-21ksoftirqd/000:31:000
2798799426,8cyclictest9-21ksoftirqd/019:51:000
2798799426,3cyclictest9-21ksoftirqd/023:29:030
2798799422,7cyclictest9-21ksoftirqd/021:16:170
2798799421,7cyclictest9-21ksoftirqd/023:56:100
2798799421,7cyclictest9-21ksoftirqd/022:41:180
2800699412,31cyclictest6260-21apt-get22:15:593
2798799416,3cyclictest9-21ksoftirqd/023:21:050
2798799415,7cyclictest9-21ksoftirqd/023:06:130
2798799414,8cyclictest9-21ksoftirqd/020:16:000
2798799414,8cyclictest9-21ksoftirqd/020:16:000
27987994122,10cyclictest9-21ksoftirqd/019:30:490
27987994118,3cyclictest9-21ksoftirqd/019:28:290
27987994114,7cyclictest9-21ksoftirqd/021:05:570
27987994114,4cyclictest9-21ksoftirqd/023:38:200
27987994114,4cyclictest9-21ksoftirqd/000:10:590
27987994113,6cyclictest9-21ksoftirqd/023:52:370
27987994014,4cyclictest9-21ksoftirqd/022:39:190
106891400,1ptp4l401ktimersoftd/323:11:013
2800699392,29cyclictest14734-21apt-get21:10:583
2798799396,3cyclictest9-21ksoftirqd/023:00:270
2798799393,3cyclictest121rcu_preempt19:45:450
106891390,1ptp4l401ktimersoftd/323:23:263
106891390,1ptp4l401ktimersoftd/322:50:063
106891390,1ptp4l401ktimersoftd/322:11:203
28006993815,19cyclictest10386-21tune2fs21:01:043
106891380,1ptp4l401ktimersoftd/322:40:273
106891380,1ptp4l401ktimersoftd/322:02:273
106891380,1ptp4l401ktimersoftd/322:02:273
106891380,1ptp4l401ktimersoftd/321:47:403
106891380,1ptp4l401ktimersoftd/321:35:423
106891380,1ptp4l401ktimersoftd/300:39:403
106891380,1ptp4l401ktimersoftd/300:22:263
106891380,1ptp4l401ktimersoftd/300:11:313
106891380,1ptp4l401ktimersoftd/300:10:493
27987993728,3cyclictest9-21ksoftirqd/020:30:040
2798799370,8cyclictest9-21ksoftirqd/021:00:590
106891370,1ptp4l401ktimersoftd/323:53:153
106891370,1ptp4l401ktimersoftd/323:28:113
106891370,1ptp4l401ktimersoftd/323:19:323
106891370,1ptp4l401ktimersoftd/323:08:083
106891370,1ptp4l401ktimersoftd/322:58:413
106891370,1ptp4l401ktimersoftd/322:43:213
106891370,1ptp4l401ktimersoftd/322:30:533
106891370,1ptp4l401ktimersoftd/322:28:163
106891370,1ptp4l401ktimersoftd/321:51:223
106891370,1ptp4l401ktimersoftd/300:48:353
106891370,1ptp4l401ktimersoftd/300:42:193
106891370,1ptp4l401ktimersoftd/300:33:573
106891370,1ptp4l401ktimersoftd/300:17:133
106891370,1ptp4l401ktimersoftd/300:02:103
106891370,0ptp4l401ktimersoftd/322:07:123
2800699362,29cyclictest21958-21apt-get21:25:593
106891360,1ptp4l401ktimersoftd/323:57:413
106891360,1ptp4l401ktimersoftd/323:41:293
106891360,1ptp4l401ktimersoftd/323:02:383
106891360,1ptp4l401ktimersoftd/322:50:533
106891360,1ptp4l401ktimersoftd/321:59:063
106891360,1ptp4l401ktimersoftd/319:26:073
106891360,0ptp4l401ktimersoftd/322:24:443
2800699352,25cyclictest20646-21apt-get20:15:593
2800699352,25cyclictest20646-21apt-get20:15:593
27994993528,4cyclictest25-21ksoftirqd/121:40:481
27994993525,8cyclictest25-21ksoftirqd/123:21:081
2798799350,2cyclictest121rcu_preempt20:45:470
106891350,0ptp4l401ktimersoftd/319:45:213
106891350,0ptp4l401ktimersoftd/300:26:273
2799899342,17cyclictest33-21ksoftirqd/222:46:002
2800699332,26cyclictest30110-21ssh23:46:033
2800699332,26cyclictest30110-21ssh23:46:033
2800699330,3cyclictest6697-21grep20:51:143
2800699330,2cyclictest0-21swapper/320:26:053
27994993326,4cyclictest25-21ksoftirqd/121:46:011
1609923326,3sleep125-21ksoftirqd/122:26:011
2800699322,24cyclictest27751-21apt-get20:30:583
2800699322,24cyclictest13520-21apt-get20:00:573
2800699321,24cyclictest17122-21apt-get21:15:593
28006993212,17cyclictest29420-21cat00:51:093
2800699320,4cyclictest9879-21ls19:51:133
2800699320,2cyclictest0-21swapper/320:21:133
2800699320,2cyclictest0-21swapper/319:56:133
27994993227,3cyclictest25-21ksoftirqd/120:45:471
27994993226,3cyclictest25-21ksoftirqd/100:36:101
27994993225,4cyclictest25-21ksoftirqd/122:40:491
27994993218,11cyclictest25-21ksoftirqd/119:35:561
2800699312,25cyclictest0-21swapper/320:55:563
28006993113,15cyclictest14531-21latency_hist21:10:483
27994993126,3cyclictest25-21ksoftirqd/121:41:051
27994993126,3cyclictest25-21ksoftirqd/120:55:471
27994993125,3cyclictest25-21ksoftirqd/119:46:041
184932310,2sleep20-21swapper/220:11:002
2800699308,19cyclictest15998-21cpuspeed_turbos20:05:593
2800699301,23cyclictest30362-21apt-get20:35:583
28006993011,16cyclictest32635-21switchtime19:31:113
2800699300,11cyclictest20076-21if_ens321:21:043
2799899305,14cyclictest19059-21ssh21:56:002
2799899304,3cyclictest121rcu_preempt00:01:042
27994993025,3cyclictest25-21ksoftirqd/122:41:071
27994993025,3cyclictest25-21ksoftirqd/121:21:051
27994993025,3cyclictest25-21ksoftirqd/100:00:511
27994993024,3cyclictest25-21ksoftirqd/100:26:091
2800699296,20cyclictest6552-21if_ens319:46:033
2800699291,25cyclictest2303-21sed19:36:033
2800699290,4cyclictest1055-21runrttasks20:14:533
2800699290,2cyclictest0-21swapper/320:41:023
2800699290,25cyclictest2982-21cpuspeed_turbos20:46:013
27994992924,3cyclictest25-21ksoftirqd/121:16:061
27994992923,3cyclictest25-21ksoftirqd/123:51:081
27994992923,3cyclictest25-21ksoftirqd/120:46:061
27994992923,3cyclictest25-21ksoftirqd/120:11:051
27994992917,7cyclictest241ktimersoftd/100:21:031
27998992821,5cyclictest33-21ksoftirqd/223:35:502
27994992823,3cyclictest25-21ksoftirqd/122:06:071
27994992823,3cyclictest25-21ksoftirqd/121:15:481
27994992823,3cyclictest25-21ksoftirqd/119:55:461
27994992822,3cyclictest25-21ksoftirqd/121:31:001
27994992822,3cyclictest25-21ksoftirqd/120:36:041
27994992822,3cyclictest25-21ksoftirqd/119:35:451
27994992821,4cyclictest25-21ksoftirqd/100:46:161
27994992817,7cyclictest25-21ksoftirqd/100:01:021
27998992721,3cyclictest33-21ksoftirqd/220:01:512
27998992720,4cyclictest33-21ksoftirqd/223:53:212
27998992720,4cyclictest33-21ksoftirqd/220:45:122
27998992720,4cyclictest33-21ksoftirqd/220:34:482
27994992722,3cyclictest25-21ksoftirqd/123:36:091
27994992722,3cyclictest25-21ksoftirqd/120:21:041
27994992722,3cyclictest25-21ksoftirqd/100:55:531
27994992722,3cyclictest25-21ksoftirqd/100:20:521
27994992721,3cyclictest25-21ksoftirqd/123:06:031
27994992721,3cyclictest25-21ksoftirqd/122:21:071
27994992721,3cyclictest25-21ksoftirqd/121:01:061
27994992721,3cyclictest25-21ksoftirqd/120:26:011
27994992721,3cyclictest25-21ksoftirqd/100:41:191
27994992720,4cyclictest25-21ksoftirqd/122:16:161
27994992719,5cyclictest19742-21irqrtprio21:56:051
27998992621,3cyclictest33-21ksoftirqd/223:22:132
27998992621,3cyclictest33-21ksoftirqd/200:38:192
27998992620,3cyclictest33-21ksoftirqd/221:08:512
27998992620,3cyclictest33-21ksoftirqd/200:35:212
27998992619,4cyclictest33-21ksoftirqd/220:38:262
27998992619,4cyclictest33-21ksoftirqd/219:40:172
27998992616,7cyclictest33-21ksoftirqd/223:46:042
27998992616,7cyclictest33-21ksoftirqd/223:46:042
27994992621,3cyclictest25-21ksoftirqd/123:01:031
27994992621,3cyclictest25-21ksoftirqd/121:26:031
27994992621,3cyclictest25-21ksoftirqd/120:01:031
27994992620,3cyclictest25-21ksoftirqd/122:31:061
27994992620,3cyclictest25-21ksoftirqd/121:06:001
27994992619,4cyclictest25-21ksoftirqd/122:15:001
27998992520,3cyclictest33-21ksoftirqd/200:09:512
27998992519,4cyclictest33-21ksoftirqd/219:43:542
27998992519,4cyclictest25068-21cron20:25:462
27998992519,3cyclictest33-21ksoftirqd/223:10:532
27994992520,3cyclictest25-21ksoftirqd/122:00:581
27994992520,3cyclictest25-21ksoftirqd/122:00:581
27994992520,3cyclictest25-21ksoftirqd/120:06:041
27994992520,3cyclictest25-21ksoftirqd/120:00:451
27994992519,3cyclictest25-21ksoftirqd/119:45:451
27994992519,3cyclictest25-21ksoftirqd/100:31:111
27994992518,4cyclictest25-21ksoftirqd/121:54:441
27998992419,3cyclictest33-21ksoftirqd/200:00:512
27998992418,4cyclictest33-21ksoftirqd/221:18:322
27998992418,3cyclictest33-21ksoftirqd/222:01:002
27998992418,3cyclictest33-21ksoftirqd/222:01:002
27998992418,3cyclictest33-21ksoftirqd/219:30:542
27998992417,4cyclictest33-21ksoftirqd/221:24:062
27998992417,4cyclictest33-21ksoftirqd/220:27:342
27998992417,4cyclictest33-21ksoftirqd/200:21:522
27994992419,3cyclictest25-21ksoftirqd/123:26:111
27994992419,3cyclictest25-21ksoftirqd/100:11:091
27994992419,3cyclictest25-21ksoftirqd/100:07:021
27994992416,6cyclictest0-21swapper/119:26:001
2379122417,3sleep233-21ksoftirqd/223:39:052
2799899234,10cyclictest19006-21ssh00:41:032
27998992318,3cyclictest33-21ksoftirqd/223:45:302
27998992318,3cyclictest33-21ksoftirqd/222:35:532
27998992318,3cyclictest33-21ksoftirqd/219:26:082
27998992317,4cyclictest33-21ksoftirqd/223:16:072
27998992317,3cyclictest33-21ksoftirqd/221:46:532
27998992317,3cyclictest33-21ksoftirqd/221:38:352
27998992317,3cyclictest33-21ksoftirqd/220:10:212
27998992317,3cyclictest33-21ksoftirqd/219:50:482
27998992317,3cyclictest33-21ksoftirqd/200:19:192
2799899230,11cyclictest117392ssh23:26:132
27998992217,3cyclictest33-21ksoftirqd/222:41:052
27998992217,3cyclictest33-21ksoftirqd/222:09:232
27998992216,4cyclictest33-21ksoftirqd/221:13:342
27998992215,4cyclictest6371-21grep19:46:012
2799899221,13cyclictest18276-21chrt23:01:022
27994992217,3cyclictest25-21ksoftirqd/120:16:051
27994992217,3cyclictest25-21ksoftirqd/120:16:051
2799899212,12cyclictest64-21kswapd000:11:022
27998992115,4cyclictest33-21ksoftirqd/221:04:152
27998992115,3cyclictest33-21ksoftirqd/220:46:012
27998992112,5cyclictest12260-21missed_timers22:21:082
2799899211,11cyclictest47150irq/102-ens3-Tx22:51:012
27994992116,3cyclictest25-21ksoftirqd/123:45:511
27994992116,3cyclictest25-21ksoftirqd/122:56:051
27994992115,4cyclictest25-21ksoftirqd/122:48:191
27994992112,5cyclictest30053-21acpi23:46:021
27994992112,5cyclictest30053-21acpi23:46:021
27998992015,3cyclictest33-21ksoftirqd/221:51:052
27998992015,3cyclictest33-21ksoftirqd/221:31:062
27998992014,4cyclictest33-21ksoftirqd/220:51:222
27998992014,3cyclictest9693-21cron21:00:472
27998992014,3cyclictest33-21ksoftirqd/222:19:372
27998992014,3cyclictest30976-21sh00:52:012
27998992013,4cyclictest321ktimersoftd/222:56:012
27998992013,4cyclictest18353-21sh22:27:002
27994992015,3cyclictest25-21ksoftirqd/123:18:411
27998991913,4cyclictest3494-21sh22:11:482
27998991913,4cyclictest33-21ksoftirqd/222:34:202
27998991913,3cyclictest33-21ksoftirqd/200:25:522
27998991913,3cyclictest26228-21sh00:47:152
27998991912,4cyclictest25299-21sh21:28:482
27998991811,4cyclictest20646-21apt-get20:15:582
27998991811,4cyclictest20646-21apt-get20:15:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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