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2026-05-03 - 18:26
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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 May 03, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911070,4ptp4l401ktimersoftd/308:24:553
106891740,1ptp4l401ktimersoftd/313:36:493
106891710,1ptp4l401ktimersoftd/311:43:373
193432670,3sleep00-21swapper/013:54:030
169492674,9sleep00-21swapper/008:25:460
106891660,1ptp4l401ktimersoftd/313:40:383
10002650,2sleep10-21swapper/112:29:011
106891640,9ptp4l401ktimersoftd/311:06:203
106891640,9ptp4l401ktimersoftd/311:06:203
106891640,1ptp4l401ktimersoftd/311:24:113
106891620,1ptp4l401ktimersoftd/310:36:213
98342570,1sleep30-21swapper/310:24:093
106891570,1ptp4l401ktimersoftd/313:49:103
106891570,1ptp4l401ktimersoftd/313:08:203
106891560,1ptp4l401ktimersoftd/312:05:563
264962540,2sleep00-21swapper/013:28:500
170902544,38sleep10-21swapper/108:27:371
98412530,2sleep00-21swapper/009:18:380
98412530,2sleep00-21swapper/009:18:380
106891520,2ptp4l18360-21kworker/3:011:46:523
228032500,2sleep30-21swapper/313:58:163
106891470,1ptp4l401ktimersoftd/310:58:103
106891470,1ptp4l401ktimersoftd/310:45:053
106891470,10ptp4l401ktimersoftd/312:00:453
181372460,2sleep00-21swapper/010:34:580
1727899467,6cyclictest9-21ksoftirqd/011:06:210
1727899467,6cyclictest9-21ksoftirqd/011:06:210
106891460,1ptp4l401ktimersoftd/313:33:033
106891450,1ptp4l401ktimersoftd/313:47:213
106891440,8ptp4l401ktimersoftd/312:46:103
1727899426,7cyclictest9-21ksoftirqd/011:35:000
17282994119,14cyclictest31137-21kworker/u8:212:38:531
1727899415,6cyclictest9-21ksoftirqd/011:09:480
1727899414,7cyclictest9-21ksoftirqd/010:31:430
1727899412,7cyclictest9-21ksoftirqd/010:56:590
1727899412,5cyclictest101ktimersoftd/012:42:310
106891410,1ptp4l401ktimersoftd/313:00:523
1727899401,8cyclictest101ktimersoftd/013:09:380
1727899401,6cyclictest9-21ksoftirqd/010:41:390
1727899400,10cyclictest9-21ksoftirqd/012:47:460
1708624015,14sleep233-21ksoftirqd/208:27:342
106891400,1ptp4l401ktimersoftd/313:17:303
106891400,1ptp4l401ktimersoftd/312:34:173
106891400,1ptp4l401ktimersoftd/309:34:123
1727899392,7cyclictest101ktimersoftd/012:23:170
106891390,1ptp4l401ktimersoftd/313:22:313
106891390,1ptp4l401ktimersoftd/310:29:363
1727899383,6cyclictest9-21ksoftirqd/010:50:200
1727899383,5cyclictest9-21ksoftirqd/011:59:000
1727899382,7cyclictest30726-1kworker/u9:211:23:400
1727899382,6cyclictest9-21ksoftirqd/012:50:300
1727899382,6cyclictest9-21ksoftirqd/012:50:300
17278993824,7cyclictest9-21ksoftirqd/011:43:540
1727899380,5cyclictest9-21ksoftirqd/012:29:350
106891380,2ptp4l25986-21kworker/3:009:18:483
106891380,2ptp4l25986-21kworker/3:009:18:483
106891380,1ptp4l401ktimersoftd/312:53:123
106891380,1ptp4l401ktimersoftd/312:53:123
106891380,1ptp4l401ktimersoftd/312:30:493
106891380,1ptp4l401ktimersoftd/311:09:583
1727899376,7cyclictest9-21ksoftirqd/011:17:090
1727899376,6cyclictest9-21ksoftirqd/011:54:070
1727899375,7cyclictest9-21ksoftirqd/013:38:590
1727899373,5cyclictest9-21ksoftirqd/012:25:040
1727899372,6cyclictest9-21ksoftirqd/013:05:500
1727899372,5cyclictest9-21ksoftirqd/013:23:560
1727899371,5cyclictest9-21ksoftirqd/012:59:070
1727899370,5cyclictest9-21ksoftirqd/010:46:280
106891370,1ptp4l401ktimersoftd/313:10:373
106891370,1ptp4l401ktimersoftd/312:55:183
106891370,1ptp4l401ktimersoftd/312:40:453
106891370,1ptp4l401ktimersoftd/312:25:483
106891370,1ptp4l401ktimersoftd/311:50:133
106891370,1ptp4l401ktimersoftd/311:14:123
106891370,1ptp4l401ktimersoftd/311:02:093
106891370,1ptp4l401ktimersoftd/310:50:223
106891370,1ptp4l401ktimersoftd/310:41:473
106891370,0ptp4l401ktimersoftd/311:35:363
106891370,0ptp4l401ktimersoftd/311:19:113
1727899363,5cyclictest9-21ksoftirqd/011:26:140
1727899360,5cyclictest9-21ksoftirqd/013:44:370
1727899360,5cyclictest9-21ksoftirqd/011:41:040
106891360,1ptp4l401ktimersoftd/313:28:023
106891360,1ptp4l401ktimersoftd/312:20:463
106891360,0ptp4l401ktimersoftd/311:54:033
17282993516,12cyclictest47050irq/101-ens3-Tx11:03:511
17282993516,12cyclictest47050irq/101-ens3-Tx11:03:511
1727899356,7cyclictest9-21ksoftirqd/011:03:030
1727899355,5cyclictest9-21ksoftirqd/009:48:560
1727899354,6cyclictest9-21ksoftirqd/013:19:340
1727899352,5cyclictest0-21swapper/011:31:360
1727899351,5cyclictest9-21ksoftirqd/013:35:450
1727899351,5cyclictest9-21ksoftirqd/010:13:570
1727899350,5cyclictest9-21ksoftirqd/009:44:330
1727899344,6cyclictest9-21ksoftirqd/012:12:100
1727899343,3cyclictest0-21swapper/013:53:010
1727899341,7cyclictest9-21ksoftirqd/009:58:550
1727899340,6cyclictest9-21ksoftirqd/008:43:590
1727899340,5cyclictest9-21ksoftirqd/009:18:530
1727899340,5cyclictest9-21ksoftirqd/009:18:530
106891340,1ptp4l401ktimersoftd/312:16:413
106891340,0ptp4l401ktimersoftd/309:14:073
106891340,0ptp4l401ktimersoftd/309:14:073
1727899337,6cyclictest9-21ksoftirqd/013:13:590
1727899334,7cyclictest9-21ksoftirqd/012:14:230
1727899333,7cyclictest9-21ksoftirqd/011:49:020
106891330,1ptp4l11956-21kworker/3:109:48:463
17282993227,3cyclictest25-21ksoftirqd/112:18:411
1727899325,7cyclictest9-21ksoftirqd/010:23:400
1727899324,6cyclictest9-21ksoftirqd/009:13:370
1727899320,4cyclictest0-21swapper/008:58:100
106891320,1ptp4l401ktimersoftd/310:01:013
106891320,1ptp4l401ktimersoftd/309:44:103
106891320,1ptp4l401ktimersoftd/308:58:533
106891320,1ptp4l401ktimersoftd/308:54:063
106891320,0ptp4l401ktimersoftd/310:18:253
1727899314,6cyclictest9-21ksoftirqd/012:53:580
1727899313,6cyclictest9-21ksoftirqd/009:38:500
106891310,1ptp4l401ktimersoftd/309:13:303
106891310,1ptp4l401ktimersoftd/308:38:553
106891310,0ptp4l401ktimersoftd/311:32:443
106891310,0ptp4l401ktimersoftd/309:58:313
1727899303,7cyclictest9-21ksoftirqd/012:38:300
106891300,1ptp4l401ktimersoftd/310:13:173
85942295,2sleep20-21swapper/209:13:592
85942295,2sleep20-21swapper/209:13:592
17291992924,3cyclictest33-21ksoftirqd/213:18:432
1727899293,5cyclictest9-21ksoftirqd/008:38:540
17278992923,3cyclictest9-21ksoftirqd/008:38:370
106891290,1ptp4l401ktimersoftd/309:42:353
106891290,0ptp4l401ktimersoftd/309:24:273
106891290,0ptp4l401ktimersoftd/308:33:123
182622280,5sleep118264-21latency_hist13:53:441
17291992822,3cyclictest33-21ksoftirqd/209:43:382
1727899285,7cyclictest9-21ksoftirqd/008:52:120
1727899283,7cyclictest9-21ksoftirqd/012:03:460
1727899283,7cyclictest9-21ksoftirqd/008:28:580
1727899281,7cyclictest0-21swapper/009:53:540
106891280,1ptp4l401ktimersoftd/309:04:433
17291992720,4cyclictest33-21ksoftirqd/209:21:052
17291992720,4cyclictest33-21ksoftirqd/209:21:052
17291992720,4cyclictest33-21ksoftirqd/208:55:192
17291992720,4cyclictest33-21ksoftirqd/208:52:262
17291992719,5cyclictest33-21ksoftirqd/210:11:312
17282992715,8cyclictest6794-21kworker/1:013:18:551
1727899277,6cyclictest9-21ksoftirqd/010:23:550
1727899277,4cyclictest9-21ksoftirqd/010:08:570
106891270,1ptp4l401ktimersoftd/308:37:593
17296992619,4cyclictest41-21ksoftirqd/310:05:023
1729199264,14cyclictest17710-21ssh12:13:542
1729199263,15cyclictest14859-21ssh12:43:532
17291992620,4cyclictest33-21ksoftirqd/209:08:462
17291992620,3cyclictest33-21ksoftirqd/211:00:202
17291992619,4cyclictest3545-21latency_hist13:38:442
17291992619,4cyclictest33-21ksoftirqd/212:08:572
17291992619,4cyclictest33-21ksoftirqd/210:36:162
17291992619,4cyclictest33-21ksoftirqd/209:58:462
17291992619,4cyclictest33-21ksoftirqd/209:08:202
17291992611,11cyclictest24347-21sh10:42:032
17282992620,3cyclictest25-21ksoftirqd/113:05:541
17282992620,3cyclictest25-21ksoftirqd/109:42:091
1727899268,3cyclictest9-21ksoftirqd/009:29:080
1727899262,6cyclictest9-21ksoftirqd/009:05:200
106891260,1ptp4l401ktimersoftd/310:20:373
17291992519,4cyclictest33-21ksoftirqd/210:06:052
17291992519,3cyclictest33-21ksoftirqd/212:23:412
17291992519,3cyclictest33-21ksoftirqd/211:18:422
17291992518,4cyclictest33-21ksoftirqd/211:56:462
17291992518,4cyclictest33-21ksoftirqd/211:40:042
17291992518,4cyclictest33-21ksoftirqd/210:28:332
1729199251,17cyclictest10855-21apt-get10:28:512
1728299253,11cyclictest7840-21ssh12:03:531
17282992518,4cyclictest25-21ksoftirqd/113:10:241
17282992518,4cyclictest25-21ksoftirqd/110:28:001
17282992518,4cyclictest25-21ksoftirqd/109:53:491
17282992518,4cyclictest15448-21ssh12:10:361
1728299250,2cyclictest121rcu_preempt08:46:181
1727899253,8cyclictest9-21ksoftirqd/009:34:020
1727899251,8cyclictest9-21ksoftirqd/009:01:090
106891250,1ptp4l401ktimersoftd/308:45:083
106891250,0ptp4l401ktimersoftd/308:50:593
17291992418,3cyclictest33-21ksoftirqd/209:35:462
17291992417,4cyclictest33-21ksoftirqd/213:03:352
17291992417,4cyclictest33-21ksoftirqd/212:24:202
17291992417,4cyclictest33-21ksoftirqd/211:36:102
17291992417,4cyclictest33-21ksoftirqd/210:18:502
17291992417,4cyclictest33-21ksoftirqd/208:45:242
1729199241,3cyclictest121rcu_preempt09:44:022
1729199240,3cyclictest121rcu_preempt13:28:012
17282992419,3cyclictest25-21ksoftirqd/110:43:571
17282992417,4cyclictest31102-21sh13:33:431
17282992417,4cyclictest25-21ksoftirqd/109:27:341
106891240,1ptp4l401ktimersoftd/312:09:003
106891240,1ptp4l401ktimersoftd/309:28:553
17291992317,3cyclictest33-21ksoftirqd/212:38:582
17291992317,3cyclictest33-21ksoftirqd/211:13:162
17291992317,3cyclictest33-21ksoftirqd/208:35:262
17291992316,4cyclictest33-21ksoftirqd/208:31:232
17291992314,5cyclictest6765-21processes11:29:022
1729199230,12cyclictest6295-21ssh10:56:222
1728299239,8cyclictest22597-21unixbench_singl10:39:091
1728299234,8cyclictest0-21swapper/111:23:531
1728299233,10cyclictest21741-21ssh13:23:551
1728299232,12cyclictest8857-21taskset13:43:561
17282992318,3cyclictest25-21ksoftirqd/112:00:061
17282992317,3cyclictest25-21ksoftirqd/111:45:331
17282992316,4cyclictest25-21ksoftirqd/110:19:491
17282992316,4cyclictest25-21ksoftirqd/109:38:141
17282992311,10cyclictest10247-21kworker/1:111:58:391
1727899237,6cyclictest9-21ksoftirqd/010:05:580
1727899236,7cyclictest9-21ksoftirqd/009:25:400
1729199229,4cyclictest40172/usr/sbin/munin10:13:552
17291992217,3cyclictest33-21ksoftirqd/211:03:582
17291992217,3cyclictest33-21ksoftirqd/211:03:582
17291992216,4cyclictest8428-21if_enp1s0.112:03:592
17291992215,4cyclictest28632-21sendmail09:58:392
17291992215,4cyclictest23562-21grep11:13:562
17282992217,3cyclictest25-21ksoftirqd/113:15:321
17282992216,4cyclictest25-21ksoftirqd/109:59:481
17282992215,4cyclictest8016-21/usr/sbin/munin10:59:081
17282992215,4cyclictest25-21ksoftirqd/110:37:151
17282992215,4cyclictest25-21ksoftirqd/110:18:001
17282992215,4cyclictest25-21ksoftirqd/109:53:271
2258722115,3sleep125-21ksoftirqd/112:50:501
2258722115,3sleep125-21ksoftirqd/112:50:501
224392210,17sleep222449-21ssh12:50:352
224392210,17sleep222449-21ssh12:50:352
1729199218,4cyclictest121rcu_preempt09:03:372
17291992116,3cyclictest33-21ksoftirqd/210:43:582
17291992115,3cyclictest33-21ksoftirqd/211:59:012
17291992115,3cyclictest33-21ksoftirqd/208:38:422
17291992114,4cyclictest33-21ksoftirqd/213:57:362
17291992114,4cyclictest33-21ksoftirqd/213:07:492
1729199210,3cyclictest121rcu_preempt11:23:592
1728299213,10cyclictest64-21kswapd011:48:511
17282992116,3cyclictest25-21ksoftirqd/112:19:111
17282992115,4cyclictest25-21ksoftirqd/108:53:581
1728299211,4cyclictest32656-21snmp_o5powerctl10:04:031
1728299211,3cyclictest500-21diskstats08:58:521
1728299211,3cyclictest3154-21apt-get10:53:521
1728299211,17cyclictest6560-21snmp_o5powerctl09:09:031
1728299211,17cyclictest1107-21ssh13:34:321
1728299210,7cyclictest0-21swapper/111:12:081
1728299210,2cyclictest0-21swapper/109:15:421
1728299210,2cyclictest0-21swapper/109:15:421
1728299210,2cyclictest0-21swapper/108:52:381
1728299210,19cyclictest0-21swapper/109:19:101
1728299210,19cyclictest0-21swapper/109:19:101
1729199201,6cyclictest20749-21ssh13:22:432
17291992015,3cyclictest33-21ksoftirqd/213:39:112
17291992013,4cyclictest8333-21sh12:36:422
17291992013,4cyclictest27774-21sh13:29:042
17291992013,4cyclictest10440-21diskmemload10:49:012
17291992013,3cyclictest8483-21sendmail_mailtr13:09:062
17291992012,5cyclictest25772-21cut12:54:032
17291992012,5cyclictest10083-21grep13:44:062
1729199201,16cyclictest25536-21snmp_o5powerctl09:49:012
1729199201,15cyclictest417-21perl12:28:582
17291992011,5cyclictest25749-21sh11:48:572
1729199200,16cyclictest13823-21cpuspeed_turbos13:48:572
1728299203,11cyclictest64-21kswapd013:53:571
17282992014,3cyclictest31376-21sed12:59:131
17282992014,3cyclictest22939-21open_inodes09:44:021
1728299201,3cyclictest19514-21ssh11:43:011
1728299201,3cyclictest18874-21snmp_o5powerctl08:29:011
1728299201,3cyclictest0-21swapper/110:52:161
17282992013,4cyclictest6530-21switchtime12:34:101
17282992013,4cyclictest47050irq/101-ens3-Tx12:43:561
1728299201,17cyclictest0-21swapper/109:30:111
1728299201,16cyclictest20894-21cut08:33:531
1728299200,2cyclictest0-21swapper/108:41:531
1728299200,19cyclictest0-21swapper/109:04:581
1728299200,18cyclictest0-21swapper/112:27:431
1728299200,18cyclictest0-21swapper/111:34:371
1728299200,18cyclictest0-21swapper/110:10:431
1729199191,3cyclictest14706-21apt-get09:28:492
17291991912,4cyclictest20790-21grep11:43:592
17291991912,4cyclictest14024-21uptime09:24:072
1728299192,10cyclictest23128-21ssh11:13:521
1728299191,3cyclictest29522-21snmp_o5powerctl11:19:051
17282991912,4cyclictest47050irq/101-ens3-Tx13:39:071
1728299191,15cyclictest6031-21hddtemp_smartct11:28:571
1728299190,6cyclictest29088-21rm12:58:291
1728299190,17cyclictest0-21swapper/110:30:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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