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2026-03-30 - 01:18
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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 Sun Mar 29, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168221790,5sleep31903199cyclictest11:03:553
490821660,4sleep01900999cyclictest11:39:370
3167521490,4sleep11901699cyclictest12:39:411
3167521490,4sleep11901699cyclictest12:39:411
1068911040,4ptp4l401ktimersoftd/308:04:393
19031996114,22cyclictest27851-21sh12:35:103
175072610,1sleep00-21swapper/009:09:380
194472530,2sleep30-21swapper/310:14:453
19009995019,3cyclictest9-21ksoftirqd/013:34:440
19009994927,6cyclictest9-21ksoftirqd/011:54:380
19009994822,4cyclictest9-21ksoftirqd/012:07:510
19009994740,4cyclictest9-21ksoftirqd/009:24:200
19009994724,4cyclictest9-21ksoftirqd/009:39:350
19009994723,7cyclictest9-21ksoftirqd/012:19:410
19009994719,6cyclictest9-21ksoftirqd/008:49:310
19009994623,4cyclictest9-21ksoftirqd/011:30:430
19009994618,9cyclictest9-21ksoftirqd/010:59:320
19009994615,6cyclictest9-21ksoftirqd/013:32:070
1900999457,7cyclictest9-21ksoftirqd/013:09:500
19009994527,3cyclictest9-21ksoftirqd/011:09:320
19009994522,7cyclictest9-21ksoftirqd/012:24:400
19009994518,4cyclictest9-21ksoftirqd/013:22:110
19009994517,7cyclictest9-21ksoftirqd/010:44:310
19009994517,7cyclictest9-21ksoftirqd/010:44:310
19009994516,7cyclictest9-21ksoftirqd/010:35:300
188232454,29sleep10-21swapper/108:08:091
1900999448,7cyclictest25426-21ssh12:34:200
1900999448,3cyclictest9-21ksoftirqd/011:24:340
19009994421,4cyclictest9-21ksoftirqd/013:17:370
19009994420,4cyclictest9-21ksoftirqd/012:57:470
19009994419,4cyclictest9-21ksoftirqd/013:25:190
19009994418,4cyclictest9-21ksoftirqd/012:15:060
1900999438,3cyclictest9-21ksoftirqd/010:24:350
1900999434,5cyclictest9-21ksoftirqd/008:14:140
1900999434,5cyclictest18217-1kworker/u9:210:23:480
19009994321,3cyclictest9-21ksoftirqd/012:10:040
19009994320,4cyclictest9-21ksoftirqd/010:56:320
19009994316,7cyclictest9-21ksoftirqd/012:52:180
19009994316,6cyclictest9-21ksoftirqd/010:49:310
19009994316,6cyclictest9-21ksoftirqd/010:49:310
19009994311,7cyclictest9-21ksoftirqd/008:39:290
19009994310,6cyclictest9-21ksoftirqd/011:19:190
19021994231,6cyclictest33-21ksoftirqd/211:09:312
1900999428,3cyclictest9-21ksoftirqd/010:39:290
1900999427,3cyclictest9-21ksoftirqd/013:04:490
1900999427,3cyclictest9-21ksoftirqd/008:29:370
1900999426,8cyclictest9-21ksoftirqd/010:14:300
1900999423,3cyclictest121rcu_preempt11:54:190
19009994233,3cyclictest9-21ksoftirqd/012:59:290
19009994219,4cyclictest9-21ksoftirqd/012:39:440
19009994219,4cyclictest9-21ksoftirqd/012:39:440
19009994219,4cyclictest9-21ksoftirqd/011:21:370
19009994218,4cyclictest9-21ksoftirqd/011:07:190
19009994216,9cyclictest9-21ksoftirqd/010:10:020
19009994215,7cyclictest9-21ksoftirqd/011:35:030
19009994210,2cyclictest7842-1kworker/u9:111:46:420
1900999419,6cyclictest9-21ksoftirqd/009:59:340
1900999415,3cyclictest9-21ksoftirqd/009:49:360
1900999413,9cyclictest9-21ksoftirqd/009:14:340
19009994118,4cyclictest9-21ksoftirqd/012:35:470
19009994118,14cyclictest9-21ksoftirqd/011:59:420
1900999410,8cyclictest9-21ksoftirqd/010:29:460
1877524119,11sleep09-21ksoftirqd/008:07:320
106891410,0ptp4l401ktimersoftd/310:29:303
1900999408,3cyclictest9-21ksoftirqd/008:14:350
1900999406,4cyclictest9-21ksoftirqd/008:44:450
1900999404,3cyclictest121rcu_preempt12:44:430
19031993919,17cyclictest22662-21grep08:14:293
1900999396,6cyclictest9-21ksoftirqd/009:19:380
19009993928,3cyclictest9-21ksoftirqd/009:34:460
19009993917,4cyclictest9-21ksoftirqd/009:03:150
19009993917,4cyclictest9-21ksoftirqd/009:03:150
106891390,1ptp4l401ktimersoftd/312:29:333
106891390,1ptp4l401ktimersoftd/311:21:563
106891390,0ptp4l401ktimersoftd/311:17:263
1903199381,33cyclictest10555-21tail10:39:343
19009993833,3cyclictest9-21ksoftirqd/009:54:310
19009993825,3cyclictest9-21ksoftirqd/008:19:300
19009993813,4cyclictest9-21ksoftirqd/009:48:510
106891380,1ptp4l401ktimersoftd/313:32:473
106891380,1ptp4l401ktimersoftd/312:57:213
106891380,1ptp4l401ktimersoftd/312:40:213
106891380,1ptp4l401ktimersoftd/312:40:213
106891380,1ptp4l401ktimersoftd/311:46:033
106891380,1ptp4l401ktimersoftd/309:54:433
106891380,0ptp4l401ktimersoftd/311:33:163
106891380,0ptp4l401ktimersoftd/311:11:373
19009993725,3cyclictest9-21ksoftirqd/008:39:140
1900999372,3cyclictest121rcu_preempt10:04:350
106891370,1ptp4l401ktimersoftd/313:26:203
106891370,1ptp4l401ktimersoftd/313:10:043
106891370,1ptp4l401ktimersoftd/312:17:413
106891370,1ptp4l401ktimersoftd/312:13:283
106891370,1ptp4l401ktimersoftd/312:05:093
106891370,1ptp4l401ktimersoftd/312:01:033
106891370,1ptp4l401ktimersoftd/311:58:183
106891370,1ptp4l401ktimersoftd/311:42:583
106891370,1ptp4l401ktimersoftd/311:37:223
106891370,1ptp4l401ktimersoftd/311:07:503
106891370,1ptp4l401ktimersoftd/310:56:203
106891370,1ptp4l401ktimersoftd/310:50:213
106891370,1ptp4l401ktimersoftd/310:50:213
106891370,1ptp4l401ktimersoftd/310:27:283
106891370,1ptp4l401ktimersoftd/310:19:193
106891370,1ptp4l401ktimersoftd/308:35:223
106891370,0ptp4l401ktimersoftd/313:38:333
106891370,0ptp4l401ktimersoftd/313:00:103
106891370,0ptp4l401ktimersoftd/310:45:113
106891370,0ptp4l401ktimersoftd/310:45:113
1900999362,5cyclictest9-21ksoftirqd/008:57:340
1900999362,5cyclictest9-21ksoftirqd/008:57:340
19009993624,3cyclictest9-21ksoftirqd/008:24:280
1900999361,4cyclictest9-21ksoftirqd/009:29:320
106891360,1ptp4l401ktimersoftd/313:18:213
106891360,1ptp4l401ktimersoftd/311:25:343
106891360,1ptp4l401ktimersoftd/309:04:383
106891360,0ptp4l401ktimersoftd/313:22:483
106891360,0ptp4l401ktimersoftd/312:48:403
106891360,0ptp4l401ktimersoftd/310:37:213
1903199353,27cyclictest0-21swapper/308:39:253
1903199350,4cyclictest8368-21grep08:49:423
1903199350,3cyclictest248722sleep309:24:433
1903199350,3cyclictest0-21swapper/309:29:353
171352353,18sleep216782-21/usr/sbin/munin08:04:312
106891350,1ptp4l401ktimersoftd/312:52:303
106891350,0ptp4l401ktimersoftd/311:51:343
106891350,0ptp4l401ktimersoftd/310:05:513
1903199340,3cyclictest13601-21sed10:09:363
1900999343,4cyclictest9-21ksoftirqd/009:04:420
1903199333,25cyclictest0-21swapper/308:24:243
1903199333,22cyclictest20948-21apt-get09:19:283
1903199331,27cyclictest0-21swapper/308:44:283
1903199330,3cyclictest11708-21df08:59:303
1903199330,3cyclictest11708-21df08:59:303
1903199323,22cyclictest19267-21apt-get08:09:253
19031993214,14cyclictest4607-21timerandwakeup09:49:443
19031993212,17cyclictest29608-21cat08:29:283
19031993211,18cyclictest20617-21cron09:19:153
1903199320,4cyclictest26651-21taskset08:23:053
1903199319,19cyclictest15118-21sh12:23:283
1903199311,8cyclictest0-21swapper/308:54:303
1903199311,8cyclictest0-21swapper/308:54:303
1903199310,3cyclictest31119-21diskstats09:39:313
1903199310,3cyclictest2769-21chrt09:48:113
1903199310,29cyclictest0-21swapper/309:39:163
19021993127,2cyclictest33-21ksoftirqd/213:09:332
19021993126,3cyclictest33-21ksoftirqd/213:39:222
19021993125,3cyclictest33-21ksoftirqd/211:04:182
1903199301,6cyclictest22928-21apt-get13:04:333
1903199300,4cyclictest19953-21ssh12:28:233
19021993018,5cyclictest33-21ksoftirqd/213:04:332
234752290,2sleep20-21swapper/211:24:422
1903199297,19cyclictest0-21swapper/309:59:323
1903199295,4cyclictest16108-21/usr/sbin/munin09:09:303
19021992924,3cyclictest33-21ksoftirqd/208:44:332
19021992923,3cyclictest33-21ksoftirqd/212:04:202
19021992923,3cyclictest33-21ksoftirqd/210:49:312
19021992923,3cyclictest33-21ksoftirqd/210:49:312
19021992923,3cyclictest33-21ksoftirqd/209:19:332
1902199283,2cyclictest121rcu_preempt12:19:072
19021992823,3cyclictest33-21ksoftirqd/212:14:192
19021992822,3cyclictest33-21ksoftirqd/213:29:402
19021992822,3cyclictest33-21ksoftirqd/212:35:152
19016992822,3cyclictest19196-21sh10:48:521
19016992822,3cyclictest19196-21sh10:48:521
316882270,4sleep11901699cyclictest13:13:211
1902199274,13cyclictest27599-21ssh10:24:292
19021992722,3cyclictest33-21ksoftirqd/211:19:182
19021992722,3cyclictest33-21ksoftirqd/209:59:342
19021992722,3cyclictest33-21ksoftirqd/208:29:282
19021992721,4cyclictest33-21ksoftirqd/209:49:352
19021992721,4cyclictest33-21ksoftirqd/208:59:152
19021992721,4cyclictest33-21ksoftirqd/208:59:152
19021992721,3cyclictest33-21ksoftirqd/211:44:372
19021992721,3cyclictest33-21ksoftirqd/211:34:302
19021992721,3cyclictest33-21ksoftirqd/209:09:332
19021992720,4cyclictest1417-21cron08:39:142
19016992720,4cyclictest25-21ksoftirqd/111:14:171
180482270,2sleep10-21swapper/112:59:331
19021992621,3cyclictest33-21ksoftirqd/212:44:442
19021992621,3cyclictest33-21ksoftirqd/212:24:362
19021992621,3cyclictest33-21ksoftirqd/211:09:182
19021992621,3cyclictest33-21ksoftirqd/210:54:352
19021992621,3cyclictest33-21ksoftirqd/208:59:382
19021992621,3cyclictest33-21ksoftirqd/208:59:382
19021992620,4cyclictest33-21ksoftirqd/208:49:292
19021992620,3cyclictest33-21ksoftirqd/213:24:572
19021992620,3cyclictest33-21ksoftirqd/212:39:412
19021992620,3cyclictest33-21ksoftirqd/212:39:412
19021992620,3cyclictest33-21ksoftirqd/212:19:352
19021992620,3cyclictest33-21ksoftirqd/210:29:352
19021992619,5cyclictest33-21ksoftirqd/210:19:392
19021992619,4cyclictest33-21ksoftirqd/212:32:152
1902199261,6cyclictest0-21swapper/212:04:492
19016992621,3cyclictest25-21ksoftirqd/111:44:311
19016992620,3cyclictest25-21ksoftirqd/110:14:291
19016992620,3cyclictest25-21ksoftirqd/109:19:591
19016992620,3cyclictest25-21ksoftirqd/108:41:571
19021992520,3cyclictest33-21ksoftirqd/209:29:352
19021992520,3cyclictest33-21ksoftirqd/208:19:322
19021992520,3cyclictest33-21ksoftirqd/208:16:142
19021992518,4cyclictest33-21ksoftirqd/210:06:132
19021992518,4cyclictest33-21ksoftirqd/209:46:052
19016992520,3cyclictest25-21ksoftirqd/112:04:391
19016992519,3cyclictest25-21ksoftirqd/110:29:161
19016992519,3cyclictest25-21ksoftirqd/108:15:171
19016992517,4cyclictest12344-21diskmemload10:59:291
19021992419,3cyclictest33-21ksoftirqd/210:39:362
19021992418,3cyclictest33-21ksoftirqd/211:34:192
19021992418,3cyclictest33-21ksoftirqd/210:44:372
19021992418,3cyclictest33-21ksoftirqd/210:44:372
19021992418,3cyclictest33-21ksoftirqd/210:09:302
19021992417,4cyclictest33-21ksoftirqd/209:58:462
19021992417,4cyclictest33-21ksoftirqd/208:28:132
19016992419,3cyclictest25-21ksoftirqd/112:23:561
19016992419,3cyclictest25-21ksoftirqd/110:39:421
19016992418,3cyclictest25-21ksoftirqd/113:34:341
19016992418,3cyclictest25-21ksoftirqd/111:52:061
19016992417,4cyclictest3298-21grep12:44:341
19016992417,4cyclictest25-21ksoftirqd/113:08:431
19016992417,4cyclictest25-21ksoftirqd/111:38:061
19016992417,4cyclictest25-21ksoftirqd/108:57:031
19016992417,4cyclictest25-21ksoftirqd/108:57:031
1902199236,15cyclictest3816-21kworker/2:013:14:402
19021992318,3cyclictest33-21ksoftirqd/211:39:252
19021992318,3cyclictest33-21ksoftirqd/211:24:182
19021992318,3cyclictest33-21ksoftirqd/209:34:402
1902199230,6cyclictest121rcu_preempt10:18:032
19016992318,3cyclictest25-21ksoftirqd/112:29:351
19016992318,3cyclictest25-21ksoftirqd/112:14:511
19016992318,3cyclictest25-21ksoftirqd/108:22:281
19016992317,4cyclictest25-21ksoftirqd/110:07:081
19016992317,3cyclictest25-21ksoftirqd/110:03:511
19016992317,3cyclictest25-21ksoftirqd/109:40:011
19016992317,3cyclictest25-21ksoftirqd/109:38:211
19016992316,4cyclictest25-21ksoftirqd/108:13:071
19021992217,3cyclictest33-21ksoftirqd/212:59:382
19021992217,3cyclictest33-21ksoftirqd/212:54:422
19021992217,3cyclictest33-21ksoftirqd/211:49:372
19021992217,3cyclictest33-21ksoftirqd/209:24:352
19021992216,3cyclictest33-21ksoftirqd/210:35:162
19021992216,3cyclictest33-21ksoftirqd/209:08:592
19021992215,4cyclictest8961-21sed12:49:392
19021992215,4cyclictest33-21ksoftirqd/209:42:402
19021992215,4cyclictest33-21ksoftirqd/208:09:322
19021992214,5cyclictest19300-21grep11:54:332
1901699229,10cyclictest13023-21expr10:09:311
1901699223,6cyclictest121rcu_preempt10:52:451
1901699223,6cyclictest121rcu_preempt10:52:451
1901699223,10cyclictest32679-21ssh13:14:321
1901699222,11cyclictest10045-21ssh13:24:341
19016992217,3cyclictest8748-21cron08:54:141
19016992217,3cyclictest25-21ksoftirqd/110:34:441
19016992217,3cyclictest25-21ksoftirqd/109:07:461
19016992216,3cyclictest25-21ksoftirqd/109:18:051
19016992216,3cyclictest25-21ksoftirqd/109:12:191
19016992215,4cyclictest4666-21fschecks_time11:39:351
19016992215,4cyclictest25-21ksoftirqd/110:21:461
19016992116,3cyclictest25-21ksoftirqd/109:54:351
1901699211,4cyclictest16357-21snmp_o5powerctl13:29:471
19016992114,4cyclictest25-21ksoftirqd/109:46:041
19016992114,4cyclictest19089-21/usr/sbin/munin11:54:391
1901699210,5cyclictest2045-21if_err_enp1s0.112:09:371
19021992015,3cyclictest33-21ksoftirqd/209:14:302
19021992015,3cyclictest33-21ksoftirqd/208:44:152
19021992014,3cyclictest6775-21sed13:19:492
1901699201,4cyclictest27301-21df08:24:261
19016992014,3cyclictest29684-21diskstats08:29:291
19016992014,3cyclictest25-21ksoftirqd/109:33:571
19016992014,3cyclictest25-21ksoftirqd/109:24:431
19016992014,3cyclictest23367-21seq11:24:401
19016992014,3cyclictest21455-21sh11:24:001
19016992014,3cyclictest17459-21sensors_temp12:24:441
19016992013,4cyclictest5893-21unixbench-2d08:44:451
19016992013,4cyclictest24190-21tr11:59:331
19016992013,4cyclictest13453-21fschecks_count12:54:371
19016992013,4cyclictest12344-21diskmemload10:54:421
1901699192,13cyclictest26913-21apt-get11:29:311
19016991914,3cyclictest25-21ksoftirqd/110:34:171
19016991913,3cyclictest3091-21/usr/sbin/munin09:49:401
19016991913,3cyclictest11695-21expr08:59:291
19016991913,3cyclictest11695-21expr08:59:291
19016991912,4cyclictest31839-21cpu08:34:291
19016991912,4cyclictest28226-21sh12:35:491
19016991912,4cyclictest13704-21sh11:14:421
1901699190,16cyclictest12344-21diskmemload13:22:111
1901699182,9cyclictest8103-21ssh12:49:251
19016991811,4cyclictest2711-21cstates11:04:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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