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2026-04-07 - 16:53
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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 Tue Apr 07, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
863121380,4sleep12707499cyclictest11:06:021
2527021270,3sleep02706999cyclictest10:49:470
1068911010,4ptp4l401ktimersoftd/308:11:563
298732690,4sleep02706999cyclictest13:05:290
2706999671,3cyclictest11818-21ssh12:14:460
2706999670,2cyclictest20829-21diskmemload11:42:130
6202640,3sleep2321ktimersoftd/212:36:532
53492640,4sleep05352-21ptp4l-jitter09:39:370
315662640,4sleep3401ktimersoftd/313:08:213
2706999646,26cyclictest18551-21ls10:44:290
213602640,2sleep20-21swapper/213:29:482
263112630,5sleep126312-21proc_pri12:29:411
256542630,2sleep10-21swapper/111:56:171
27069996011,20cyclictest20829-21diskmemload12:01:230
172272580,1sleep10-21swapper/110:42:531
74032560,1sleep30-21swapper/311:04:393
30422560,2sleep10-21swapper/111:34:201
27069995610,24cyclictest19605-21latency_hist13:29:200
2706999560,27cyclictest0-21swapper/013:19:500
27074995521,9cyclictest25-21ksoftirqd/110:59:451
27074995428,8cyclictest25-21ksoftirqd/111:24:181
143291540,1getstats0-21swapper/311:12:103
27074995326,4cyclictest25-21ksoftirqd/113:14:201
219572530,4sleep021961-21irqrtprio10:14:340
11642530,2sleep00-21swapper/013:43:110
89712510,3sleep00-21swapper/009:49:170
2708899507,7cyclictest18603-21awk11:49:363
27074995024,3cyclictest25-21ksoftirqd/112:24:381
269142504,34sleep20-21swapper/208:13:362
27074994916,9cyclictest25-21ksoftirqd/111:14:351
241832490,3sleep20-21swapper/212:59:492
27074994823,4cyclictest25-21ksoftirqd/110:24:161
2706999485,22cyclictest0-21swapper/012:24:400
317472470,2sleep20-21swapper/213:40:042
2708899475,8cyclictest26051-21tail09:14:433
2707499476,8cyclictest25-21ksoftirqd/108:44:131
27074994737,3cyclictest25-21ksoftirqd/112:02:561
27074994727,10cyclictest25-21ksoftirqd/108:34:131
27074994727,10cyclictest25-21ksoftirqd/108:34:131
27074994723,8cyclictest25-21ksoftirqd/111:49:481
27074994722,4cyclictest25-21ksoftirqd/113:39:321
266982474,32sleep10-21swapper/108:10:491
137702470,1sleep20-21swapper/212:17:372
106891470,1ptp4l401ktimersoftd/312:28:343
2707499463,10cyclictest25-21ksoftirqd/113:24:361
27074994622,4cyclictest25-21ksoftirqd/109:54:441
27074994621,9cyclictest25-21ksoftirqd/110:49:461
27074994619,4cyclictest25-21ksoftirqd/112:09:311
27074994619,4cyclictest25-21ksoftirqd/112:09:311
27074994617,4cyclictest25-21ksoftirqd/113:34:201
27074994616,7cyclictest25-21ksoftirqd/111:29:361
2706999463,5cyclictest20829-21diskmemload12:08:200
2707499455,8cyclictest25-21ksoftirqd/113:04:201
27074994538,3cyclictest25-21ksoftirqd/110:09:201
27074994531,3cyclictest25-21ksoftirqd/109:49:161
27074994524,7cyclictest25-21ksoftirqd/113:19:441
27074994521,4cyclictest25-21ksoftirqd/111:47:051
27074994520,4cyclictest25-21ksoftirqd/112:49:491
27074994519,9cyclictest25-21ksoftirqd/110:44:451
27074994519,10cyclictest25-21ksoftirqd/110:29:161
27074994519,10cyclictest25-21ksoftirqd/110:29:161
27074994516,8cyclictest25-21ksoftirqd/111:09:371
27074994516,7cyclictest25-21ksoftirqd/109:34:291
2706999452,35cyclictest1071-21apt-get10:59:280
27074994438,3cyclictest25-21ksoftirqd/109:49:201
27074994432,3cyclictest25-21ksoftirqd/111:39:381
27074994422,4cyclictest25-21ksoftirqd/109:29:371
27074994421,4cyclictest25-21ksoftirqd/112:22:201
27074994421,3cyclictest25-21ksoftirqd/110:29:391
27074994420,4cyclictest25-21ksoftirqd/109:04:321
27074994419,4cyclictest25-21ksoftirqd/111:24:371
27074994419,4cyclictest25-21ksoftirqd/110:55:051
27074994415,7cyclictest25-21ksoftirqd/110:19:161
27069994410,23cyclictest1055-21runrttasks08:40:560
27074994337,3cyclictest25-21ksoftirqd/108:34:181
27074994337,3cyclictest25-21ksoftirqd/108:34:181
27074994333,3cyclictest25-21ksoftirqd/109:39:281
27074994322,7cyclictest25-21ksoftirqd/112:39:321
27074994322,11cyclictest25-21ksoftirqd/113:04:311
27074994320,4cyclictest25-21ksoftirqd/113:39:201
27074994319,4cyclictest25-21ksoftirqd/108:20:071
27074994318,7cyclictest25-21ksoftirqd/112:44:451
27074994314,4cyclictest25-21ksoftirqd/113:14:361
2707499425,8cyclictest25-21ksoftirqd/109:14:301
27074994218,4cyclictest25-21ksoftirqd/109:24:151
27074994218,3cyclictest25-21ksoftirqd/110:39:161
27074994210,3cyclictest25-21ksoftirqd/112:06:401
2706999422,34cyclictest0-21swapper/013:14:320
2706999422,34cyclictest0-21swapper/008:59:240
27074994135,3cyclictest25-21ksoftirqd/108:44:181
27074994121,6cyclictest25-21ksoftirqd/112:39:201
27074994112,7cyclictest25-21ksoftirqd/108:59:231
2706999413,32cyclictest0-21swapper/010:39:290
2706999413,32cyclictest0-21swapper/010:19:270
2706999413,30cyclictest19717-21apt-get09:04:270
2706999412,34cyclictest0-21swapper/011:29:270
2706999412,31cyclictest2494-21apt-get12:39:300
106891410,1ptp4l401ktimersoftd/310:42:313
2708899407,5cyclictest41-21ksoftirqd/312:08:143
2707499405,3cyclictest25-21ksoftirqd/112:54:321
2707499402,8cyclictest25-21ksoftirqd/112:14:341
2707499402,8cyclictest25-21ksoftirqd/109:24:371
27074994018,9cyclictest25-21ksoftirqd/108:54:311
2707499401,7cyclictest29389-21munin-run08:19:131
2707499401,5cyclictest25-21ksoftirqd/108:24:291
27074994013,11cyclictest25-21ksoftirqd/109:09:341
2706999402,31cyclictest22090-21apt-get09:09:270
2706999402,29cyclictest27327-21apt-get08:14:240
2706999401,4cyclictest6096-21ssh11:36:330
2706999401,34cyclictest0-21swapper/011:09:280
2706999400,4cyclictest20829-21diskmemload12:55:170
2706999400,4cyclictest20829-21diskmemload12:23:280
2708899397,5cyclictest41-21ksoftirqd/310:28:413
2708899397,5cyclictest41-21ksoftirqd/310:28:413
2708899397,4cyclictest41-21ksoftirqd/308:30:263
2708899397,4cyclictest41-21ksoftirqd/308:30:263
2708899395,5cyclictest41-21ksoftirqd/312:31:343
2708899394,5cyclictest41-21ksoftirqd/312:38:233
2707499393,8cyclictest25-21ksoftirqd/108:49:361
2706999397,29cyclictest653-21cron10:59:170
2706999393,30cyclictest5318-21apt-get12:09:300
2706999393,30cyclictest5318-21apt-get12:09:300
2706999393,28cyclictest20835-21apt-get11:19:290
2706999392,30cyclictest31183-21apt-get10:24:290
2706999392,30cyclictest31183-21apt-get10:24:290
2706999391,33cyclictest0-21swapper/008:49:260
2706999391,31cyclictest3684-21apt-get10:29:290
106891390,1ptp4l401ktimersoftd/313:40:243
106891390,1ptp4l401ktimersoftd/313:19:493
106891390,1ptp4l401ktimersoftd/311:44:503
106891390,1ptp4l401ktimersoftd/310:49:253
2708899387,5cyclictest41-21ksoftirqd/312:53:573
2708899387,4cyclictest41-21ksoftirqd/311:57:293
2708899386,6cyclictest41-21ksoftirqd/310:35:053
2708899386,5cyclictest41-21ksoftirqd/312:03:523
2708899386,5cyclictest41-21ksoftirqd/311:17:223
2708899383,5cyclictest41-21ksoftirqd/309:45:183
2707499385,3cyclictest25-21ksoftirqd/109:59:361
2707499380,11cyclictest25-21ksoftirqd/110:04:341
2706999382,30cyclictest0-21swapper/010:34:270
2706999382,30cyclictest0-21swapper/008:29:250
2706999382,30cyclictest0-21swapper/008:29:250
2706999382,29cyclictest15893-21apt-get11:14:280
2706999380,3cyclictest5530-21/usr/sbin/munin08:34:280
2706999380,3cyclictest5530-21/usr/sbin/munin08:34:280
2706999380,3cyclictest0-21swapper/012:46:380
106891380,1ptp4l401ktimersoftd/313:34:253
106891380,1ptp4l401ktimersoftd/313:32:013
106891380,1ptp4l401ktimersoftd/312:41:073
106891380,1ptp4l401ktimersoftd/312:16:223
106891380,1ptp4l401ktimersoftd/312:12:513
106891380,1ptp4l401ktimersoftd/312:12:513
106891380,1ptp4l401ktimersoftd/311:39:503
106891380,1ptp4l401ktimersoftd/311:29:413
106891380,0ptp4l401ktimersoftd/310:59:413
106891380,0ptp4l401ktimersoftd/310:58:093
106891380,0ptp4l401ktimersoftd/309:04:453
2708899376,5cyclictest41-21ksoftirqd/312:23:243
2708899376,5cyclictest41-21ksoftirqd/311:26:453
2706999372,6cyclictest22459-21apt-get12:59:320
27069993713,21cyclictest742-21if_ens313:09:370
27069993713,21cyclictest20907-21sed13:29:410
2706999371,30cyclictest0-21swapper/009:19:270
2706999370,4cyclictest13703-21ptp4l12:49:420
106891370,1ptp4l401ktimersoftd/313:15:253
106891370,1ptp4l401ktimersoftd/313:00:113
106891370,1ptp4l401ktimersoftd/312:56:083
106891370,1ptp4l401ktimersoftd/312:45:523
106891370,1ptp4l401ktimersoftd/311:35:253
106891370,1ptp4l401ktimersoftd/311:20:243
106891370,1ptp4l401ktimersoftd/310:46:003
106891370,1ptp4l401ktimersoftd/310:33:523
106891370,1ptp4l401ktimersoftd/309:12:273
106891370,0ptp4l401ktimersoftd/313:10:163
106891370,0ptp4l401ktimersoftd/310:20:433
2708899366,5cyclictest41-21ksoftirqd/313:26:543
2708899363,5cyclictest41-21ksoftirqd/308:21:443
2706999362,6cyclictest16189-21apt-get10:04:270
2706999362,28cyclictest18768-21apt-get10:09:250
27069993611,22cyclictest26233-21seq09:15:450
27069993610,23cyclictest10417-21expr08:44:280
2706999360,5cyclictest15968-21ssh11:46:330
2706999360,4cyclictest25354-21diskstats12:29:340
106891360,0ptp4l401ktimersoftd/310:12:133
106891360,0ptp4l401ktimersoftd/309:31:503
2708899353,5cyclictest41-21ksoftirqd/308:45:123
2706999359,23cyclictest1252-21latency08:24:320
2706999351,29cyclictest29220-21apt-get09:24:270
27069993512,20cyclictest20829-21diskmemload11:58:180
27069993511,21cyclictest20829-21diskmemload13:35:140
2706999350,3cyclictest8095-21ssh11:05:080
2706999350,3cyclictest31393-21mailstats12:34:420
2706999350,3cyclictest11699-21diskstats09:54:300
106891350,0ptp4l401ktimersoftd/308:35:383
106891350,0ptp4l401ktimersoftd/308:35:383
2708899345,5cyclictest41-21ksoftirqd/310:17:193
2708899343,5cyclictest41-21ksoftirqd/308:16:143
2708899342,5cyclictest41-21ksoftirqd/308:58:093
2706999349,22cyclictest32284-21seq08:22:370
2706999346,24cyclictest1945-21cat09:34:270
2706999345,26cyclictest7724-21ptp4l09:44:360
2706999342,7cyclictest31586-21apt-get09:29:270
2706999340,4cyclictest29881-21ssh11:28:360
194912340,3sleep2311rcuc/209:04:142
2708899333,5cyclictest41-21ksoftirqd/309:35:233
2706999338,22cyclictest21764-21sh11:53:030
27069993310,20cyclictest15445-21sh08:54:290
269322332,19sleep0987-21sshd08:13:510
106891330,0ptp4l401ktimersoftd/309:59:303
2706999320,3cyclictest15139-21snmp_o5powerctl09:59:380
106891320,1ptp4l401ktimersoftd/309:27:293
106891320,0ptp4l401ktimersoftd/308:53:433
2708899300,6cyclictest41-21ksoftirqd/309:40:083
2708299307,20cyclictest26048-21sh11:56:572
27088992910,7cyclictest41-21ksoftirqd/309:23:293
103322290,4sleep2321ktimersoftd/209:49:392
27082992822,3cyclictest33-21ksoftirqd/208:44:302
27082992722,3cyclictest33-21ksoftirqd/210:59:172
27082992721,3cyclictest33-21ksoftirqd/213:18:202
27082992721,3cyclictest33-21ksoftirqd/209:33:562
27082992721,3cyclictest33-21ksoftirqd/209:15:082
27082992720,4cyclictest33-21ksoftirqd/209:12:172
203632270,1sleep20-21swapper/212:56:522
2708899265,7cyclictest41-21ksoftirqd/308:24:353
27082992621,3cyclictest33-21ksoftirqd/212:46:462
27082992621,3cyclictest33-21ksoftirqd/208:19:152
27082992620,3cyclictest33-21ksoftirqd/210:19:292
27082992620,3cyclictest33-21ksoftirqd/208:40:522
27082992612,3cyclictest10357-21sh11:40:252
2708899255,4cyclictest41-21ksoftirqd/309:50:203
2708299252,14cyclictest25782-21rm11:24:302
27082992520,3cyclictest33-21ksoftirqd/212:29:352
27082992520,3cyclictest33-21ksoftirqd/208:51:522
27082992519,3cyclictest33-21ksoftirqd/208:56:462
27082992518,4cyclictest33-21ksoftirqd/211:59:382
27082992518,4cyclictest33-21ksoftirqd/208:30:542
27082992518,4cyclictest33-21ksoftirqd/208:30:542
27082992518,4cyclictest33-21ksoftirqd/208:24:162
27082992517,6cyclictest33-21ksoftirqd/211:29:452
106891250,1ptp4l401ktimersoftd/308:39:273
2708899244,6cyclictest41-21ksoftirqd/308:59:343
2708899244,3cyclictest41-21ksoftirqd/309:54:383
2708899242,6cyclictest41-21ksoftirqd/310:04:353
2708299243,14cyclictest64-21kswapd011:44:292
27082992419,3cyclictest33-21ksoftirqd/212:05:222
27082992418,3cyclictest33-21ksoftirqd/213:19:342
27082992418,3cyclictest33-21ksoftirqd/210:49:372
27082992418,3cyclictest33-21ksoftirqd/210:39:362
27082992418,3cyclictest33-21ksoftirqd/210:05:172
27082992417,4cyclictest33-21ksoftirqd/213:04:552
27082992417,4cyclictest33-21ksoftirqd/210:12:032
27082992417,4cyclictest33-21ksoftirqd/209:46:422
27082992417,4cyclictest33-21ksoftirqd/209:39:152
27082992417,4cyclictest33-21ksoftirqd/208:36:242
27082992417,4cyclictest33-21ksoftirqd/208:36:242
2708299239,7cyclictest1071-21apt-get10:59:282
27082992316,4cyclictest33-21ksoftirqd/209:06:432
2708299230,3cyclictest121rcu_preempt11:15:522
2708299229,7cyclictest33-21ksoftirqd/211:04:282
27082992216,3cyclictest33-21ksoftirqd/210:46:212
27082992216,3cyclictest33-21ksoftirqd/209:59:492
27082992215,4cyclictest33-21ksoftirqd/212:40:342
27082992215,4cyclictest33-21ksoftirqd/209:27:032
2708299220,3cyclictest121rcu_preempt11:36:402
27082992116,3cyclictest33-21ksoftirqd/210:15:372
27082992115,3cyclictest33-21ksoftirqd/212:22:252
27082992115,3cyclictest33-21ksoftirqd/212:13:582
27082992115,3cyclictest33-21ksoftirqd/212:13:582
27082992115,3cyclictest33-21ksoftirqd/209:39:262
27082992114,4cyclictest47150irq/102-ens3-Tx12:54:202
27082992114,4cyclictest33-21ksoftirqd/208:16:132
27082992114,4cyclictest24524-21sh12:29:062
27082992114,4cyclictest12393-21sh10:38:022
27082992112,5cyclictest32621-21cpuspeed_turbos13:09:332
27082992014,4cyclictest33-21ksoftirqd/213:26:272
27082992014,4cyclictest1366-21sh10:26:032
27082992014,4cyclictest1366-21sh10:26:032
27082992014,3cyclictest33-21ksoftirqd/211:09:352
27082992013,4cyclictest6808-21sh10:31:552
27082992013,4cyclictest28423-21unixbench_multi09:19:442
27082992013,4cyclictest25909-21sed13:34:402
2708299201,16cyclictest18690-21interrupts11:49:372
27082991913,3cyclictest23165-21sh11:20:352
2708299179,5cyclictest12109-21cut09:54:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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