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2026-06-14 - 15:13
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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 Jun 14, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
67021770,5sleep055599cyclictest10:57:230
2553721730,4sleep256699cyclictest12:28:472
1141321550,4sleep256699cyclictest12:14:502
1068911050,3ptp4l401ktimersoftd/308:51:043
68092820,2sleep00-21swapper/011:04:220
106891730,1ptp4l401ktimersoftd/314:05:493
106891710,1ptp4l401ktimersoftd/312:12:343
106891670,1ptp4l401ktimersoftd/312:26:053
227722630,1sleep00-21swapper/014:05:370
327602625,46sleep00-21swapper/008:49:570
106891620,1ptp4l401ktimersoftd/311:58:143
53022610,2sleep00-21swapper/013:13:420
215032610,2sleep20-21swapper/210:42:032
201212590,4sleep357099cyclictest10:37:113
129612580,2sleep30-21swapper/312:48:433
106891580,1ptp4l401ktimersoftd/312:32:363
106891570,1ptp4l401ktimersoftd/313:34:543
106891570,1ptp4l401ktimersoftd/312:52:033
143291560,4getstats57099cyclictest11:23:433
106891560,1ptp4l401ktimersoftd/310:59:523
106891550,1ptp4l401ktimersoftd/313:19:323
143291540,3getstats548-21cyclictest10:53:433
56699532,13cyclictest1354-21awk13:42:272
56699524,17cyclictest1974-21/usr/sbin/munin14:17:162
56699505,12cyclictest17487-21ssh12:21:492
56699502,12cyclictest32579-21/usr/sbin/munin10:57:162
105791490,5getstats57099cyclictest09:06:393
56699485,7cyclictest0-21swapper/211:59:432
56699482,13cyclictest21325-21awk12:57:162
56699482,12cyclictest31681-21ssh12:35:532
56699473,17cyclictest1015-21/usr/sbin/munin11:32:062
56699472,12cyclictest24191-21snmp_o5powerctl09:37:162
555994738,4cyclictest9-21ksoftirqd/013:47:090
555994733,7cyclictest9-21ksoftirqd/012:17:050
106891470,2ptp4l3214-21kworker/3:113:57:263
106891470,1ptp4l401ktimersoftd/311:11:403
56699463,18cyclictest25938-21diskmemload11:55:392
106891460,12ptp4l3214-21kworker/3:113:28:463
56699450,12cyclictest25938-21diskmemload12:41:312
326122450,2sleep10-21swapper/112:02:241
106891440,1ptp4l401ktimersoftd/309:16:043
56699420,11cyclictest25938-21diskmemload12:10:022
555994027,7cyclictest9-21ksoftirqd/010:42:050
555993924,7cyclictest9-21ksoftirqd/008:52:010
106891390,1ptp4l401ktimersoftd/313:24:223
106891390,1ptp4l401ktimersoftd/313:24:223
106891390,1ptp4l401ktimersoftd/311:55:283
106891390,1ptp4l401ktimersoftd/311:14:423
106891390,16ptp4l401ktimersoftd/312:38:563
106891380,1ptp4l401ktimersoftd/314:15:373
106891380,1ptp4l401ktimersoftd/313:42:353
106891380,1ptp4l401ktimersoftd/313:41:403
106891380,1ptp4l401ktimersoftd/313:15:093
106891380,1ptp4l401ktimersoftd/312:45:343
106891380,1ptp4l401ktimersoftd/312:26:573
106891380,1ptp4l401ktimersoftd/311:37:523
106891380,1ptp4l401ktimersoftd/311:37:523
106891380,1ptp4l401ktimersoftd/311:31:523
106891370,2ptp4l3214-21kworker/3:113:53:233
106891370,1ptp4l401ktimersoftd/313:49:483
106891370,1ptp4l401ktimersoftd/312:57:593
106891370,1ptp4l401ktimersoftd/312:08:353
106891370,1ptp4l401ktimersoftd/311:49:493
106891370,1ptp4l401ktimersoftd/311:44:413
106891370,1ptp4l401ktimersoftd/311:44:413
106891370,1ptp4l401ktimersoftd/311:32:443
106891370,1ptp4l401ktimersoftd/311:03:273
106891370,0ptp4l401ktimersoftd/314:11:253
106891360,1ptp4l401ktimersoftd/312:05:353
106891360,1ptp4l401ktimersoftd/311:20:463
106891360,10ptp4l401ktimersoftd/310:27:043
106891350,0ptp4l401ktimersoftd/309:01:463
561993422,9cyclictest25-21ksoftirqd/114:02:091
106891340,2ptp4l18628-21kworker/3:209:18:243
56699333,5cyclictest15514-21snmp_o5powerctl10:27:182
555993328,3cyclictest9-21ksoftirqd/009:01:510
555993327,3cyclictest9-21ksoftirqd/013:41:570
106891330,2ptp4l18628-21kworker/3:209:07:093
106891330,1ptp4l401ktimersoftd/314:18:153
106891330,1ptp4l3214-21kworker/3:113:03:203
106891330,10ptp4l401ktimersoftd/310:20:013
555993226,3cyclictest9-21ksoftirqd/012:46:560
555993225,3cyclictest9-21ksoftirqd/012:01:540
555993222,5cyclictest9-21ksoftirqd/011:12:060
555993220,5cyclictest9-21ksoftirqd/013:02:070
3271023212,9sleep20-21swapper/208:49:182
106891320,1ptp4l401ktimersoftd/313:09:533
106891320,1ptp4l401ktimersoftd/312:18:393
106891320,1ptp4l401ktimersoftd/309:48:143
56699314,14cyclictest30777-21ssh12:02:062
56699314,11cyclictest13295-21/usr/sbin/munin09:17:132
555993125,3cyclictest9-21ksoftirqd/012:41:560
555993118,7cyclictest9-21ksoftirqd/011:47:100
555993019,6cyclictest9-21ksoftirqd/011:27:050
106891300,1ptp4l401ktimersoftd/308:52:053
106891300,0ptp4l401ktimersoftd/310:06:443
86752290,2sleep20-21swapper/212:45:092
56699298,18cyclictest29238-21grep09:47:232
56699290,10cyclictest18581-21ssh14:01:492
555992923,3cyclictest9-21ksoftirqd/012:02:130
320782296,10sleep10-21swapper/108:47:151
106891290,1ptp4l401ktimersoftd/310:10:503
56699286,19cyclictest2352-21cat08:52:182
566992822,3cyclictest33-21ksoftirqd/212:50:432
566992811,11cyclictest0-21swapper/211:07:052
555992824,2cyclictest9-21ksoftirqd/009:21:500
555992822,3cyclictest9-21ksoftirqd/012:22:090
555992822,3cyclictest9-21ksoftirqd/012:07:090
555992822,3cyclictest9-21ksoftirqd/011:56:550
555992822,3cyclictest9-21ksoftirqd/011:25:290
555992815,6cyclictest9-21ksoftirqd/010:32:050
106891280,0ptp4l401ktimersoftd/310:01:063
106891280,0ptp4l401ktimersoftd/310:01:063
56699278,6cyclictest0-21swapper/209:07:082
56699274,6cyclictest27424-21ssh11:25:582
566992722,4cyclictest33-21ksoftirqd/211:21:042
566992712,9cyclictest7601-21apt-get13:17:072
56699271,14cyclictest25390-21snmp_o5powerctl14:07:212
561992721,3cyclictest25-21ksoftirqd/113:26:451
561992721,3cyclictest25-21ksoftirqd/113:26:451
555992723,3cyclictest9-21ksoftirqd/011:07:120
555992722,3cyclictest9-21ksoftirqd/013:17:070
555992722,3cyclictest9-21ksoftirqd/011:41:540
555992722,3cyclictest9-21ksoftirqd/011:41:540
555992722,3cyclictest9-21ksoftirqd/010:36:530
555992722,2cyclictest9-21ksoftirqd/012:52:110
555992721,3cyclictest9-21ksoftirqd/013:26:570
555992721,3cyclictest9-21ksoftirqd/013:26:570
555992721,3cyclictest9-21ksoftirqd/010:47:120
555992721,3cyclictest9-21ksoftirqd/009:27:100
249332270,2sleep00-21swapper/012:27:450
152722270,4sleep156199cyclictest10:27:131
106891270,1ptp4l401ktimersoftd/310:43:553
570992620,3cyclictest41-21ksoftirqd/310:35:353
56699265,6cyclictest20877-21ssh13:30:102
56699263,9cyclictest4111-21snmp_o5powerctl13:12:182
56699262,9cyclictest31262-21memory13:07:162
56699262,5cyclictest0-21swapper/214:16:582
566992619,4cyclictest33-21ksoftirqd/210:14:092
56699261,7cyclictest0-21swapper/213:34:132
566992613,6cyclictest9335-21apt-get13:52:082
56199260,3cyclictest121rcu_preempt13:56:501
555992621,3cyclictest9-21ksoftirqd/012:57:140
555992621,3cyclictest9-21ksoftirqd/009:42:170
555992621,3cyclictest9-21ksoftirqd/009:22:190
555992620,3cyclictest9-21ksoftirqd/013:52:090
555992620,3cyclictest9-21ksoftirqd/009:41:510
555992620,3cyclictest9-21ksoftirqd/009:16:520
106891260,1ptp4l401ktimersoftd/310:51:033
106891260,11ptp4l401ktimersoftd/310:12:013
106891260,10ptp4l401ktimersoftd/309:26:513
106891260,0ptp4l401ktimersoftd/310:25:103
570992518,4cyclictest41-21ksoftirqd/309:38:173
56699258,14cyclictest9546-21cpuspeed_turbos10:17:052
56699255,6cyclictest21372-21ssh14:03:112
566992519,3cyclictest33-21ksoftirqd/211:13:332
566992518,4cyclictest33-21ksoftirqd/210:39:142
566992517,5cyclictest7122-21needreboot11:37:152
566992517,5cyclictest7122-21needreboot11:37:152
566992513,6cyclictest32340-21apt-get09:57:032
566992513,6cyclictest32340-21apt-get09:57:032
561992520,3cyclictest25-21ksoftirqd/112:26:091
561992520,3cyclictest25-21ksoftirqd/109:56:511
561992519,4cyclictest25-21ksoftirqd/109:15:471
561992518,4cyclictest25-21ksoftirqd/110:19:581
56199251,21cyclictest0-21swapper/113:07:171
555992521,2cyclictest9-21ksoftirqd/013:42:150
555992520,3cyclictest9-21ksoftirqd/013:07:160
555992520,3cyclictest9-21ksoftirqd/011:17:060
555992520,3cyclictest9-21ksoftirqd/009:47:110
555992519,3cyclictest9-21ksoftirqd/013:34:240
555992519,3cyclictest9-21ksoftirqd/011:42:130
555992519,3cyclictest9-21ksoftirqd/011:42:130
317502250,2sleep00-21swapper/014:14:210
106891250,1ptp4l401ktimersoftd/309:45:433
106891250,1ptp4l401ktimersoftd/309:34:073
56699245,7cyclictest5852-21proc_pri10:07:152
56699245,7cyclictest12679-21sed09:12:212
56699245,5cyclictest18470-21ssh12:54:452
56699243,11cyclictest26362-21ssh10:52:062
566992418,3cyclictest33-21ksoftirqd/210:32:442
566992417,4cyclictest12877-21sh11:42:372
566992417,4cyclictest12877-21sh11:42:372
566992413,8cyclictest4224-21diskmemload11:02:092
566992413,6cyclictest23871-21apt-get10:47:052
561992419,3cyclictest25-21ksoftirqd/113:57:121
561992419,3cyclictest25-21ksoftirqd/113:42:091
561992419,3cyclictest25-21ksoftirqd/110:49:371
561992418,4cyclictest25-21ksoftirqd/109:22:501
561992418,3cyclictest4381-21sh10:06:521
561992418,3cyclictest25-21ksoftirqd/109:40:341
561992417,4cyclictest25-21ksoftirqd/113:04:071
561992417,4cyclictest25-21ksoftirqd/112:01:441
56199241,4cyclictest7165-21ssh13:48:541
555992419,3cyclictest9-21ksoftirqd/012:46:570
555992418,3cyclictest9-21ksoftirqd/013:57:140
555992418,3cyclictest9-21ksoftirqd/010:52:120
555992418,3cyclictest9-21ksoftirqd/009:33:040
555992417,4cyclictest9-21ksoftirqd/010:24:310
555992417,4cyclictest9-21ksoftirqd/010:14:560
106891240,1ptp4l401ktimersoftd/309:52:173
56699236,5cyclictest0-21swapper/211:47:232
56699234,16cyclictest20120-21taskset09:31:092
566992318,3cyclictest33-21ksoftirqd/209:52:082
566992317,3cyclictest33-21ksoftirqd/209:05:242
566992316,4cyclictest21545-21needreboot09:32:112
56699230,20cyclictest25624-21fschecks_time09:42:082
56199233,6cyclictest121rcu_preempt11:51:591
561992317,4cyclictest25-21ksoftirqd/109:02:341
561992317,3cyclictest25-21ksoftirqd/110:07:051
561992315,5cyclictest7773-21cstates13:17:091
561992315,3cyclictest25-21ksoftirqd/111:46:511
561992315,3cyclictest25-21ksoftirqd/111:46:511
56199231,4cyclictest13641-21ssh12:49:521
56199231,3cyclictest26637-21ssh11:24:381
55599232,11cyclictest1081-21ssh11:32:060
555992318,3cyclictest9-21ksoftirqd/014:17:260
555992318,3cyclictest9-21ksoftirqd/014:07:240
555992317,3cyclictest9-21ksoftirqd/012:32:130
555992317,3cyclictest9-21ksoftirqd/010:18:080
555992317,3cyclictest9-21ksoftirqd/010:02:100
555992316,4cyclictest9-21ksoftirqd/010:11:220
300912230,5sleep1241ktimersoftd/110:55:351
106891230,2ptp4l401ktimersoftd/309:22:133
56699222,6cyclictest3882-21apt-get08:57:022
566992217,3cyclictest33-21ksoftirqd/213:02:132
566992216,3cyclictest33-21ksoftirqd/209:22:022
56699221,18cyclictest0-21swapper/211:28:192
56199222,13cyclictest18540-21ssh11:17:051
561992217,3cyclictest25-21ksoftirqd/111:11:091
561992217,3cyclictest25-21ksoftirqd/110:36:531
561992216,3cyclictest25-21ksoftirqd/112:55:441
561992216,3cyclictest23922-21ssh13:00:411
561992215,4cyclictest8116-21needreboot10:12:141
561992215,4cyclictest25-21ksoftirqd/109:59:311
561992215,4cyclictest25-21ksoftirqd/109:59:311
56199221,4cyclictest8229-21ssh11:06:461
56199221,3cyclictest24957-21ssh12:27:481
555992217,3cyclictest9-21ksoftirqd/009:02:090
56699219,8cyclictest17975-21apt-get12:22:072
56699218,10cyclictest4879-21sh13:47:132
56699217,11cyclictest13856-21grep13:22:192
56699217,11cyclictest13856-21grep13:22:192
566992115,3cyclictest33-21ksoftirqd/210:06:102
56699210,4cyclictest27165-21egrep13:37:092
561992116,3cyclictest25-21ksoftirqd/109:48:351
561992115,4cyclictest3610-21ssh11:33:341
561992115,4cyclictest25-21ksoftirqd/114:08:361
561992115,3cyclictest25596-21ssh13:34:571
561992115,3cyclictest25-21ksoftirqd/109:19:041
561992115,3cyclictest1055-21runrttasks09:07:031
561992114,4cyclictest29745-21sh14:12:151
56199211,3cyclictest16855-21ssh12:20:441
561992113,4cyclictest9777-21latency_hist12:46:561
56199211,18cyclictest18626-21ssh11:49:031
56199211,18cyclictest0-21swapper/113:14:311
56199210,18cyclictest3087-21latency_hist08:56:511
555992116,3cyclictest9-21ksoftirqd/013:27:160
555992116,3cyclictest9-21ksoftirqd/010:01:110
555992116,3cyclictest9-21ksoftirqd/010:01:110
555992116,3cyclictest9-21ksoftirqd/009:07:040
555992114,4cyclictest9-21ksoftirqd/010:28:120
56699207,10cyclictest12085-21fschecks_count10:22:072
561992014,4cyclictest25-21ksoftirqd/110:44:391
561992014,3cyclictest31188-21sh11:29:031
561992014,3cyclictest28100-21kernelversion13:37:161
56199201,3cyclictest0-21swapper/111:38:551
56199201,3cyclictest0-21swapper/111:38:551
561992013,4cyclictest1900-21if_ens314:17:151
561992013,4cyclictest1890-21grep12:37:231
561992013,4cyclictest18242-21cut13:27:161
56199201,16cyclictest3792-21hddtemp_smartct12:07:131
56199200,4cyclictest10875-21runrttasks12:13:541
55599201,16cyclictest9856-21grep12:12:210
561991914,3cyclictest3805-21/usr/sbin/munin08:57:121
56199191,3cyclictest14148-21hddtemp_smartct11:12:101
561991913,3cyclictest32232-21cut10:57:131
561991913,3cyclictest21762-21mailstats09:32:131
561991912,4cyclictest32519-21latency_hist12:36:561
561991912,4cyclictest11726-21/usr/sbin/munin10:22:201
56199191,16cyclictest0-21swapper/110:38:491
561991812,4cyclictest19648-21sed09:27:201
561991811,4cyclictest25670-21grep09:42:081
555991812,3cyclictest29954-21bc09:52:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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