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2026-04-04 - 21:06
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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 Sat Apr 04, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
509621870,5sleep1531599cyclictest09:17:491
1557221800,4sleep0530999cyclictest11:32:580
1595421620,3sleep2532299cyclictest09:38:012
2113821610,5sleep3532699cyclictest12:44:113
2314221450,5sleep0530999cyclictest12:13:050
106891920,3ptp4l401ktimersoftd/308:08:083
49822735,10sleep00-21swapper/008:09:340
106891680,6ptp4l401ktimersoftd/311:46:103
106891680,1ptp4l401ktimersoftd/313:20:503
149352670,4sleep1531599cyclictest12:05:151
37722664,10sleep10-21swapper/108:07:541
106891660,1ptp4l401ktimersoftd/313:24:113
106891660,15ptp4l13431-21kworker/3:012:42:253
106891650,1ptp4l401ktimersoftd/312:58:563
106891620,1ptp4l401ktimersoftd/310:16:243
531599570,28cyclictest9199-21if_ens308:17:521
5309995645,6cyclictest9-21ksoftirqd/011:37:490
197652560,4sleep2532299cyclictest10:32:542
189662560,1sleep20-21swapper/212:42:542
106891560,1ptp4l401ktimersoftd/311:38:283
46112550,1sleep00-21swapper/013:01:230
190242550,2sleep10-21swapper/111:04:081
531599530,25cyclictest4589-21awk13:33:101
531599530,21cyclictest6560-21rm12:29:191
532299514,9cyclictest33-21ksoftirqd/208:42:492
284372500,2sleep10-21swapper/113:25:121
274472500,2sleep20-21swapper/211:12:522
106891500,2ptp4l14543-21kworker/3:212:22:193
532299494,8cyclictest33-21ksoftirqd/213:38:092
532299489,7cyclictest33-21ksoftirqd/209:52:362
532299483,8cyclictest321ktimersoftd/208:42:352
5322994817,9cyclictest33-21ksoftirqd/210:17:592
532299479,17cyclictest33-21ksoftirqd/209:17:582
532299474,7cyclictest33-21ksoftirqd/212:07:562
5322994716,10cyclictest33-21ksoftirqd/213:16:162
532299463,6cyclictest19036-21ssh11:37:382
532299454,8cyclictest33-21ksoftirqd/211:48:012
532299454,7cyclictest33-21ksoftirqd/213:30:552
532299454,7cyclictest33-21ksoftirqd/212:16:572
5322994521,9cyclictest33-21ksoftirqd/211:37:542
5322994511,6cyclictest33-21ksoftirqd/212:27:222
531599451,36cyclictest19110-21apt-get10:32:481
531599451,28cyclictest11237-21grep11:28:061
531599451,28cyclictest11237-21grep11:28:061
321062450,2sleep30-21swapper/313:28:113
532299446,7cyclictest33-21ksoftirqd/212:02:052
532299446,6cyclictest33-21ksoftirqd/211:22:532
532299445,8cyclictest33-21ksoftirqd/209:27:352
532299444,7cyclictest33-21ksoftirqd/211:46:252
532299443,8cyclictest33-21ksoftirqd/213:09:362
532299443,6cyclictest33-21ksoftirqd/212:27:592
532299440,10cyclictest321ktimersoftd/212:37:572
531599440,20cyclictest0-21swapper/110:57:231
532299436,9cyclictest3876-21munin-run10:17:362
532299436,9cyclictest33-21ksoftirqd/210:57:542
532299436,7cyclictest33-21ksoftirqd/211:17:542
532299435,8cyclictest33-21ksoftirqd/210:23:032
532299435,7cyclictest33-21ksoftirqd/213:02:532
532299435,7cyclictest33-21ksoftirqd/213:02:532
532299433,7cyclictest33-21ksoftirqd/208:52:582
5322994320,9cyclictest33-21ksoftirqd/209:52:542
5322994319,8cyclictest33-21ksoftirqd/211:02:512
532299431,8cyclictest321ktimersoftd/212:47:522
532299431,7cyclictest33-21ksoftirqd/212:18:422
5322994317,9cyclictest33-21ksoftirqd/210:51:182
106891430,2ptp4l27952-21kworker/3:111:31:403
106891430,2ptp4l27952-21kworker/3:111:31:403
532299427,8cyclictest30482-21snmp_o5powerctl10:43:032
532299426,7cyclictest33-21ksoftirqd/210:52:522
532299426,7cyclictest33-21ksoftirqd/208:27:472
532299426,6cyclictest33-21ksoftirqd/208:47:492
532299425,8cyclictest0-21swapper/212:35:002
532299424,7cyclictest33-21ksoftirqd/213:33:532
532299424,7cyclictest33-21ksoftirqd/213:00:482
532299423,7cyclictest33-21ksoftirqd/213:20:012
532299423,7cyclictest33-21ksoftirqd/212:52:562
532299422,7cyclictest33-21ksoftirqd/211:29:492
532299422,7cyclictest33-21ksoftirqd/211:29:492
5322994221,7cyclictest33-21ksoftirqd/209:32:512
532299421,5cyclictest0-21swapper/209:57:362
5309994230,6cyclictest9-21ksoftirqd/010:57:500
532299416,7cyclictest33-21ksoftirqd/213:22:492
532299416,7cyclictest33-21ksoftirqd/210:38:052
532299416,7cyclictest33-21ksoftirqd/209:12:482
532299416,7cyclictest33-21ksoftirqd/209:08:032
532299415,7cyclictest33-21ksoftirqd/208:27:342
532299414,4cyclictest21410-21dpkg11:07:382
532299413,7cyclictest33-21ksoftirqd/210:31:102
5322994118,10cyclictest33-21ksoftirqd/208:17:592
5322994117,9cyclictest33-21ksoftirqd/212:02:582
5322994117,9cyclictest33-21ksoftirqd/211:52:392
531599413,30cyclictest21727-21apt-get11:07:511
531599412,29cyclictest16752-21apt-get12:07:511
531599410,25cyclictest1224-21fschecks_count12:57:551
532299406,7cyclictest33-21ksoftirqd/210:07:532
532299405,8cyclictest33-21ksoftirqd/210:02:502
532299405,6cyclictest33-21ksoftirqd/208:12:502
532299402,7cyclictest33-21ksoftirqd/209:27:482
532299400,8cyclictest321ktimersoftd/208:57:462
532299400,6cyclictest33-21ksoftirqd/208:33:022
531599402,34cyclictest11163-21grep13:07:561
531599402,32cyclictest0-21swapper/111:47:501
531599402,31cyclictest14203-21apt-get10:27:511
531599402,30cyclictest20500-21apt-get13:17:531
531599401,34cyclictest11278-21grep08:22:501
531599400,21cyclictest31130-21diskmemload12:40:271
532299395,9cyclictest33-21ksoftirqd/209:02:592
531599393,29cyclictest11628-21apt-get10:57:491
531599392,29cyclictest14415-21apt-get11:32:491
106891390,1ptp4l401ktimersoftd/311:20:413
532299386,7cyclictest33-21ksoftirqd/209:42:522
532299386,7cyclictest33-21ksoftirqd/209:42:522
531599381,30cyclictest6885-21apt-get11:57:521
531599381,22cyclictest31685-21sendmail_mailst13:28:051
531599381,20cyclictest0-21swapper/111:43:071
106891380,1ptp4l401ktimersoftd/313:07:573
106891380,1ptp4l401ktimersoftd/312:34:573
106891380,1ptp4l401ktimersoftd/312:17:173
106891380,1ptp4l401ktimersoftd/311:51:123
106891380,1ptp4l401ktimersoftd/310:43:433
531599373,28cyclictest0-21swapper/112:22:491
531599370,22cyclictest18606-21acpi12:42:501
531599370,20cyclictest0-21swapper/112:55:471
5309993731,3cyclictest9-21ksoftirqd/008:17:340
106891370,1ptp4l401ktimersoftd/313:35:553
106891370,1ptp4l401ktimersoftd/313:03:353
106891370,1ptp4l401ktimersoftd/313:03:353
106891370,1ptp4l401ktimersoftd/312:04:013
106891370,1ptp4l401ktimersoftd/311:05:063
106891370,1ptp4l401ktimersoftd/310:58:473
106891370,1ptp4l401ktimersoftd/310:32:343
106891370,1ptp4l401ktimersoftd/309:17:493
106891370,0ptp4l401ktimersoftd/312:30:563
106891370,0ptp4l401ktimersoftd/309:43:103
106891370,0ptp4l401ktimersoftd/309:43:103
532699360,32cyclictest4551-21basename09:17:343
531599362,27cyclictest30176-21apt-get09:02:481
531599362,27cyclictest19336-21apt-get11:37:491
531599360,21cyclictest17257-21timerwakeupswit08:33:021
531599360,20cyclictest0-21swapper/110:19:591
106891360,2ptp4l13431-21kworker/3:012:48:593
106891360,1ptp4l401ktimersoftd/313:17:013
106891360,1ptp4l401ktimersoftd/312:09:523
106891360,1ptp4l401ktimersoftd/311:53:513
106891360,1ptp4l401ktimersoftd/311:24:103
106891360,1ptp4l401ktimersoftd/311:09:203
106891360,1ptp4l401ktimersoftd/310:57:143
106891360,1ptp4l401ktimersoftd/310:38:033
106891360,1ptp4l401ktimersoftd/310:23:123
106891360,1ptp4l401ktimersoftd/310:19:393
106891360,1ptp4l401ktimersoftd/309:38:523
106891360,0ptp4l401ktimersoftd/310:06:223
531599352,27cyclictest0-21swapper/108:57:461
531599352,25cyclictest23059-21apt-get08:47:471
531599351,31cyclictest3527-21rm10:17:021
531599351,28cyclictest47050irq/101-ens3-Tx13:12:521
5315993512,20cyclictest26232-21cut08:52:541
106891350,1ptp4l401ktimersoftd/312:27:143
106891350,1ptp4l401ktimersoftd/311:58:083
106891350,1ptp4l401ktimersoftd/310:34:543
531599342,25cyclictest9236-21apt-get10:22:471
531599342,25cyclictest7876-21apt-get13:37:521
531599342,25cyclictest31794-21apt-get11:17:491
531599342,25cyclictest12030-21apt-get09:32:461
5315993414,17cyclictest27000-21sh11:12:481
531599341,26cyclictest13363-21apt-get08:27:461
5309993422,7cyclictest9-21ksoftirqd/010:27:500
106891340,2ptp4l25980-21kworker/3:010:51:363
106891340,0ptp4l401ktimersoftd/312:57:223
532299331,7cyclictest33-21ksoftirqd/208:12:332
531599332,26cyclictest0-21swapper/109:07:471
531599331,29cyclictest3312-21sendmail_mailqu11:53:011
531599331,28cyclictest1639-21rm10:47:451
531599331,27cyclictest0-21swapper/112:47:501
531599331,27cyclictest0-21swapper/108:12:451
531599330,30cyclictest29028-21rm12:19:061
531599323,22cyclictest2486-21apt-get09:12:471
531599320,29cyclictest8991-21rm13:05:261
531599320,29cyclictest8991-21rm13:05:261
531599320,28cyclictest10856-21rm12:33:181
106891320,1ptp4l401ktimersoftd/308:29:263
531599319,18cyclictest15623-21missed_timers09:37:551
531599311,27cyclictest24500-21grep10:37:531
531599311,26cyclictest20839-21grep08:42:471
531599311,26cyclictest19767-21grep09:47:511
531599311,26cyclictest18577-21chrt08:37:501
531599311,26cyclictest10061-21cut09:27:511
531599311,25cyclictest0-21swapper/111:22:491
531599310,28cyclictest30188-21/usr/sbin/munin10:07:561
531599310,27cyclictest17354-21grep09:42:521
531599310,27cyclictest17354-21grep09:42:521
530999315,13cyclictest16754-21ssh12:07:500
1452913124,3phc2sys41-21ksoftirqd/308:57:353
106891310,1ptp4l401ktimersoftd/311:33:463
106891310,1ptp4l401ktimersoftd/309:27:283
106891310,1ptp4l401ktimersoftd/309:08:013
106891310,10ptp4l401ktimersoftd/308:38:223
531599301,25cyclictest7728-21sed09:22:521
531599301,25cyclictest26932-21df10:02:481
531599301,25cyclictest22192-21sed09:52:531
531599300,27cyclictest31969-21ssh10:44:571
531599300,26cyclictest24511-21ls09:57:491
5309993024,3cyclictest9-21ksoftirqd/013:08:090
106891300,1ptp4l401ktimersoftd/309:06:043
106891300,1ptp4l401ktimersoftd/308:14:493
106891300,0ptp4l401ktimersoftd/308:57:473
531599290,26cyclictest21825-21cpuspeed_turbos12:12:511
530999292,15cyclictest6896-21sh11:57:520
106891290,0ptp4l401ktimersoftd/308:47:343
106891280,1ptp4l401ktimersoftd/313:41:113
106891280,0ptp4l401ktimersoftd/310:10:323
106891280,0ptp4l401ktimersoftd/310:01:503
5326992721,3cyclictest41-21ksoftirqd/309:30:293
5309992722,3cyclictest9-21ksoftirqd/010:37:370
5309992721,3cyclictest9-21ksoftirqd/011:12:370
5309992721,3cyclictest9-21ksoftirqd/011:07:370
5309992721,3cyclictest9-21ksoftirqd/009:08:270
270782270,4sleep0101ktimersoftd/012:51:030
5309992621,3cyclictest9-21ksoftirqd/013:37:570
5309992621,3cyclictest9-21ksoftirqd/011:17:560
5309992620,3cyclictest9-21ksoftirqd/012:28:020
5309992620,3cyclictest9-21ksoftirqd/008:24:210
106891260,1ptp4l401ktimersoftd/308:20:333
5309992520,4cyclictest9-21ksoftirqd/011:12:470
5309992520,3cyclictest9-21ksoftirqd/013:28:110
5309992520,3cyclictest9-21ksoftirqd/008:47:530
5309992520,3cyclictest9-21ksoftirqd/008:37:340
5309992519,3cyclictest9-21ksoftirqd/009:39:380
5309992514,6cyclictest9-21ksoftirqd/010:22:470
106891250,10ptp4l401ktimersoftd/309:33:513
106891250,0ptp4l401ktimersoftd/308:50:283
106891250,0ptp4l401ktimersoftd/308:34:383
5326992418,3cyclictest41-21ksoftirqd/311:12:383
5326992417,4cyclictest41-21ksoftirqd/309:49:313
530999242,19cyclictest20417-21tail09:47:560
5309992419,3cyclictest9-21ksoftirqd/012:52:510
5309992419,3cyclictest9-21ksoftirqd/009:02:480
5309992418,3cyclictest9-21ksoftirqd/009:44:260
5309992418,3cyclictest9-21ksoftirqd/009:44:260
5309992418,3cyclictest9-21ksoftirqd/009:30:490
5309992418,3cyclictest9-21ksoftirqd/009:16:460
5309992418,3cyclictest9-21ksoftirqd/008:30:550
5309992417,4cyclictest5297-21gltestperf09:17:520
106891240,0ptp4l401ktimersoftd/309:55:263
530999234,12cyclictest2764-21ssh13:32:520
5309992318,3cyclictest9-21ksoftirqd/013:02:580
5309992318,3cyclictest9-21ksoftirqd/013:02:580
5309992318,3cyclictest9-21ksoftirqd/012:17:570
5309992318,3cyclictest9-21ksoftirqd/012:04:020
5309992318,3cyclictest9-21ksoftirqd/011:52:390
5309992318,3cyclictest9-21ksoftirqd/010:43:050
5309992318,3cyclictest9-21ksoftirqd/008:41:510
5309992318,3cyclictest31562-1kworker/u9:210:13:170
5309992317,3cyclictest9-21ksoftirqd/013:22:400
5309992317,3cyclictest9-21ksoftirqd/012:39:060
5309992317,3cyclictest9-21ksoftirqd/008:20:470
106891230,1ptp4l401ktimersoftd/308:22:463
60232220,4sleep0101ktimersoftd/011:23:060
530999229,10cyclictest5679-21grep10:18:000
5309992217,3cyclictest9-21ksoftirqd/011:42:500
5309992217,3cyclictest9-21ksoftirqd/008:42:470
5309992216,3cyclictest9-21ksoftirqd/012:42:580
5309992216,3cyclictest9-21ksoftirqd/012:22:560
5309992216,3cyclictest9-21ksoftirqd/010:49:400
5309992216,3cyclictest9-21ksoftirqd/009:22:520
530999212,10cyclictest9494-21ssh11:27:490
530999212,10cyclictest9494-21ssh11:27:490
5309992116,3cyclictest9-21ksoftirqd/013:22:560
5309992116,3cyclictest9-21ksoftirqd/012:32:560
5309992116,3cyclictest9-21ksoftirqd/011:53:290
5309992115,3cyclictest9-21ksoftirqd/010:37:560
5309992115,3cyclictest9-21ksoftirqd/010:02:480
5309992115,3cyclictest9-21ksoftirqd/008:52:540
5309992015,3cyclictest9-21ksoftirqd/009:32:530
530999201,4cyclictest6954-21df10:52:520
5309992013,4cyclictest23964-21latency_hist09:57:360
5309991913,3cyclictest29147-21swap08:58:020
5309991912,4cyclictest16123-21sh13:12:560
530999191,16cyclictest0-21swapper/009:57:470
5309991712,3cyclictest29224-21cstates10:07:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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