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2026-03-21 - 20:03
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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 rack4slot1.osadl.org (updated Sat Mar 21, 2026 09:26:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1311428310,1sleep012-21ksoftirqd/007:11:450
1311428310,1sleep012-21ksoftirqd/007:11:450
1425128140,1sleep121-21ksoftirqd/107:12:031
1425128140,1sleep121-21ksoftirqd/107:12:031
1781621060,3sleep30-21swapper/307:21:543
1781621060,3sleep30-21swapper/307:21:543
1212421020,3sleep20-21swapper/208:31:542
2760321000,3sleep127586-21find09:11:561
2760321000,3sleep127586-21find09:11:561
303402930,5sleep012-21ksoftirqd/009:15:090
303402930,5sleep012-21ksoftirqd/009:15:090
235982910,1sleep012-21ksoftirqd/009:01:550
235982910,1sleep012-21ksoftirqd/009:01:550
159862880,3sleep30-21swapper/308:41:563
247422860,3sleep00-21swapper/009:06:450
247422860,3sleep00-21swapper/009:06:450
219452780,4sleep10-21swapper/107:32:051
219452780,4sleep10-21swapper/107:32:051
43842730,3chrt0-21swapper/308:11:533
13832730,4chrt0-21swapper/309:17:453
13832730,4chrt0-21swapper/309:17:453
13832730,4chrt0-21swapper/309:17:453
90562720,3sleep30-21swapper/308:26:323
224242710,2sleep222420-21latency_hist09:01:322
224242710,2sleep222420-21latency_hist09:01:322
224242710,2sleep222420-21latency_hist09:01:322
273022590,3sleep30-21swapper/307:46:543
273022590,3sleep30-21swapper/307:46:543
99452570,4chrt0-21swapper/108:26:501
99452570,4chrt0-21swapper/108:26:501
119832550,3sleep00-21swapper/008:31:510
9262520,3chrt0-21swapper/109:17:111
9262520,3chrt0-21swapper/109:17:111
9262520,3chrt0-21swapper/109:17:111
150332500,2sleep00-21swapper/007:16:440
150332500,2sleep00-21swapper/007:16:440
89462480,4sleep30-21swapper/309:26:333
89462480,4sleep30-21swapper/309:26:333
89462480,4sleep30-21swapper/309:26:333
251062370,3sleep30-21swapper/309:06:483
251062370,3sleep30-21swapper/309:06:483
136492357,19sleep213666-21ntp_states07:11:522
136492357,19sleep213666-21ntp_states07:11:522
162442320,2chrt0-21swapper/108:41:581
142482323,19sleep30-21swapper/307:12:023
142482323,19sleep30-21swapper/307:12:023
274922300,3sleep30-21swapper/309:11:543
274922300,3sleep30-21swapper/309:11:543
1430699304,7cyclictest21-21ksoftirqd/108:46:571
1430699304,7cyclictest21-21ksoftirqd/108:46:571
14307992816,9cyclictest16954-21/usr/sbin/munin07:21:432
14307992816,9cyclictest16954-21/usr/sbin/munin07:21:432
1430699285,6cyclictest21-21ksoftirqd/109:01:551
1430699285,6cyclictest21-21ksoftirqd/109:01:551
1430699283,4cyclictest21-21ksoftirqd/108:36:561
1430699283,4cyclictest21-21ksoftirqd/108:36:561
22882270,3sleep00-21swapper/008:06:520
22882270,3sleep00-21swapper/008:06:520
1430799275,3cyclictest131rcu_preempt09:16:542
1430799275,3cyclictest131rcu_preempt09:16:542
1430799275,3cyclictest131rcu_preempt09:16:542
1430699277,6cyclictest2520-21find08:06:551
1430699277,6cyclictest2520-21find08:06:551
1430799263,8cyclictest131rcu_preempt08:06:552
1430799263,8cyclictest131rcu_preempt08:06:552
14306992611,10cyclictest25405-21find07:41:551
14306992611,10cyclictest25405-21find07:41:551
1430599262,19cyclictest761-21ssh09:16:580
1430599262,19cyclictest761-21ssh09:16:580
1430599262,19cyclictest761-21ssh09:16:580
1430799257,4cyclictest131rcu_preempt08:21:452
1430699254,5cyclictest21-21ksoftirqd/109:21:561
1430699254,5cyclictest21-21ksoftirqd/109:21:561
1430699254,5cyclictest21-21ksoftirqd/109:21:561
1430699254,5cyclictest21-21ksoftirqd/107:16:571
1430699254,5cyclictest21-21ksoftirqd/107:16:571
1430699251,3cyclictest131rcu_preempt08:31:541
1430599253,9cyclictest131rcu_preempt08:41:550
1430799242,18cyclictest9081-21snmpd07:16:592
1430799242,18cyclictest9081-21snmpd07:16:592
1430799233,3cyclictest0-21swapper/207:46:442
1430799233,3cyclictest0-21swapper/207:46:442
14307992313,8cyclictest261rcuc/208:16:532
14307992313,8cyclictest261rcuc/208:16:532
14307992310,4cyclictest27-21ksoftirqd/209:01:552
14307992310,4cyclictest27-21ksoftirqd/209:01:552
1430799230,6cyclictest15982-21find08:41:552
1430699233,5cyclictest21-21ksoftirqd/109:11:411
1430699233,5cyclictest21-21ksoftirqd/109:11:411
1430699231,17cyclictest28444-21cut07:51:461
14305992316,5cyclictest27030-21/usr/sbin/munin07:46:510
14305992316,5cyclictest27030-21/usr/sbin/munin07:46:510
1430599231,19cyclictest8358-21find08:21:550
1430599231,19cyclictest4948-21cut09:21:450
1430599231,19cyclictest4948-21cut09:21:450
1430599231,19cyclictest4948-21cut09:21:450
103082230,4sleep30-21swapper/308:26:563
103082230,4sleep30-21swapper/308:26:563
1430799226,8cyclictest27-21ksoftirqd/209:14:092
1430799226,8cyclictest27-21ksoftirqd/209:14:092
1430799221,8cyclictest25327-21grep09:06:532
1430799221,8cyclictest25327-21grep09:06:532
14307992214,6cyclictest27-21ksoftirqd/209:21:542
14307992214,6cyclictest27-21ksoftirqd/209:21:542
14307992214,6cyclictest27-21ksoftirqd/209:21:542
1430699223,4cyclictest21-21ksoftirqd/108:16:421
1430699223,4cyclictest21-21ksoftirqd/108:16:421
14306992217,3cyclictest201rcuc/107:46:441
14306992217,3cyclictest201rcuc/107:46:441
1430699221,17cyclictest18774-21find07:26:431
1430699221,17cyclictest18774-21find07:26:431
1430599223,16cyclictest5627-21fschecks_count08:16:430
1430599223,16cyclictest5627-21fschecks_count08:16:430
213062210,3chrt0-21swapper/307:31:503
213062210,3chrt0-21swapper/307:31:503
1430799218,4cyclictest131rcu_preempt08:30:142
1430799218,4cyclictest131rcu_preempt08:30:142
1430799215,9cyclictest27-21ksoftirqd/208:56:322
1430799215,9cyclictest27-21ksoftirqd/208:56:322
14307992114,6cyclictest261rcuc/207:31:462
14307992114,6cyclictest261rcuc/207:31:462
1430699219,5cyclictest131rcu_preempt08:01:341
1430699219,5cyclictest131rcu_preempt08:01:341
1430699219,5cyclictest131rcu_preempt08:01:341
1430699216,6cyclictest21-21ksoftirqd/109:01:241
1430699216,6cyclictest21-21ksoftirqd/109:01:241
1430699216,6cyclictest21-21ksoftirqd/109:01:241
1430699213,4cyclictest21-21ksoftirqd/108:11:501
1430699211,5cyclictest21-21ksoftirqd/107:21:441
1430699211,5cyclictest21-21ksoftirqd/107:21:441
1430599211,17cyclictest21701-21find08:56:550
1430599211,17cyclictest21701-21find08:56:550
1430599211,17cyclictest21701-21find08:56:550
1430599211,16cyclictest695-21runrttasks08:51:440
1430599211,16cyclictest695-21runrttasks08:51:440
1430599210,19cyclictest17824-21grep07:21:550
1430599210,19cyclictest17824-21grep07:21:550
1430899201,14cyclictest0-21swapper/308:01:563
1430799207,4cyclictest27-21ksoftirqd/208:11:552
1430799201,2cyclictest131rcu_preempt07:56:552
1430799201,2cyclictest131rcu_preempt07:56:552
1430799201,2cyclictest131rcu_preempt07:56:552
1430699207,3cyclictest131rcu_preempt07:36:411
1430699207,3cyclictest131rcu_preempt07:36:411
1430699207,3cyclictest131rcu_preempt07:36:411
1430699207,3cyclictest131rcu_preempt07:36:411
1430699202,4cyclictest21-21ksoftirqd/108:51:461
1430699202,4cyclictest21-21ksoftirqd/108:51:461
1430599201,8cyclictest24180-21systemctl07:41:320
1430599201,8cyclictest24180-21systemctl07:41:320
1430599201,8cyclictest24180-21systemctl07:41:320
1430599201,8cyclictest24180-21systemctl07:41:320
1430599201,6cyclictest14043-21find08:36:560
1430599201,6cyclictest14043-21find08:36:560
1430599201,3cyclictest0-21swapper/007:51:460
1430599201,16cyclictest4690-21grep08:11:560
1430799198,4cyclictest131rcu_preempt07:41:502
1430799198,4cyclictest131rcu_preempt07:41:502
1430799196,7cyclictest27-21ksoftirqd/208:47:562
1430799196,7cyclictest27-21ksoftirqd/208:47:562
1430799194,7cyclictest27-21ksoftirqd/207:41:032
1430799194,7cyclictest27-21ksoftirqd/207:41:032
1430799194,7cyclictest27-21ksoftirqd/207:41:032
1430799194,7cyclictest27-21ksoftirqd/207:41:032
14307991911,6cyclictest27-21ksoftirqd/207:26:452
14307991911,6cyclictest27-21ksoftirqd/207:26:452
1430699191,6cyclictest21-21ksoftirqd/108:21:541
1430699191,3cyclictest0-21swapper/108:04:541
1430599199,7cyclictest4379-21systemd-journal08:06:320
1430599197,10cyclictest26096-21cron07:46:320
1430599197,10cyclictest26096-21cron07:46:320
1430599192,13cyclictest38650irq/55-eth007:56:460
1430599192,13cyclictest38650irq/55-eth007:56:460
1430599192,13cyclictest38650irq/55-eth007:56:460
1430599191,15cyclictest9589-21fschecks_time08:26:460
1430599191,15cyclictest9589-21fschecks_time08:26:460
1430799185,3cyclictest131rcu_preempt08:01:452
14307991811,5cyclictest0-21swapper/207:51:512
14307991810,6cyclictest0-21swapper/208:36:552
14307991810,6cyclictest0-21swapper/208:36:552
1430599185,10cyclictest18696-21latency_hist08:51:360
1430599185,10cyclictest18696-21latency_hist08:51:360
1430599183,12cyclictest21406-21proc_pri07:31:530
1430599183,12cyclictest21406-21proc_pri07:31:530
1430599181,14cyclictest20469-21grep07:31:340
1430599181,14cyclictest20469-21grep07:31:340
1430899161,12cyclictest25133-21taskset07:41:513
1430899161,12cyclictest25133-21taskset07:41:513
1430899161,12cyclictest0-21swapper/308:06:453
1430899161,12cyclictest0-21swapper/308:06:453
1430899161,12cyclictest0-21swapper/307:26:563
1430899161,12cyclictest0-21swapper/307:26:563
1430899161,12cyclictest0-21swapper/307:16:463
1430899161,12cyclictest0-21swapper/307:16:463
314102150,2sleep30-21swapper/307:57:143
314102150,2sleep30-21swapper/307:57:143
314102150,2sleep30-21swapper/307:57:143
1430899151,11cyclictest0-21swapper/308:31:433
180872140,3sleep30-21swapper/308:46:593
180872140,3sleep30-21swapper/308:46:593
1430899148,4cyclictest230372sleep309:01:453
1430899148,4cyclictest230372sleep309:01:453
1430899141,11cyclictest0-21swapper/308:16:443
1430899141,11cyclictest0-21swapper/308:16:443
1430899131,7cyclictest0-21swapper/308:41:393
1430899131,7cyclictest0-21swapper/308:41:393
1430899121,9cyclictest24084-21chrt07:40:433
1430899121,9cyclictest24084-21chrt07:40:433
1430899121,9cyclictest24084-21chrt07:40:433
1430899121,9cyclictest24084-21chrt07:40:433
1430899120,9cyclictest18957-21chrt08:51:453
1430899120,9cyclictest18957-21chrt08:51:453
1430899111,8cyclictest0-21swapper/308:56:513
1430899111,8cyclictest0-21swapper/308:56:513
1430899111,8cyclictest0-21swapper/308:56:513
1430899111,7cyclictest0-21swapper/307:51:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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