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2026-07-20 - 12:38
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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
Characteristics of the 100 highest latencies:
System rack3slot4.osadl.org (updated Mon Jul 20, 2026 00:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1062599210441019,15sleep50-21swapper/519:05:235
10640199912388,25cyclictest1074090-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
19:37:040
10640199912175,33cyclictest1109408-21ethtool21:00:250
10640199912078,35cyclictest1104221-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:22:180
10640199912053,51cyclictest1127862-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
21:26:210
106404299116103,6cyclictest1339265-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:38:453
10640199911355,42cyclictest1217653-21ssh22:30:210
10640199911355,42cyclictest1217653-21ssh22:30:200
1064019991095,48cyclictest13-21ksoftirqd/022:53:540
10640199910953,41cyclictest0-21swapper/023:00:410
1064019991091,52cyclictest48-21rcuop/400:20:220
10640199910739,55cyclictest67650irq/530-eth0-Tx23:25:220
10640199910612,67cyclictest67350irq/527-eth0-Tx22:15:230
1064019991051,70cyclictest0-21swapper/019:15:210
1064019991051,57cyclictest13-21ksoftirqd/021:15:270
10640199910270,24cyclictest1199628-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:22:270
10640199910270,24cyclictest1199628-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:22:260
10640199910245,25cyclictest14-21rcu_preempt20:10:410
10640199910245,25cyclictest14-21rcu_preempt20:10:410
1064019991002,60cyclictest0-21swapper/022:39:210
10640199910012,64cyclictest67450irq/528-eth0-Tx23:13:030
10640199910012,64cyclictest67450irq/528-eth0-Tx23:13:030
1064019999950,24cyclictest0-21swapper/020:05:450
106401999991,6cyclictest1356123-21ssh00:15:080
1064019999853,21cyclictest67450irq/528-eth0-Tx00:10:430
1064019999853,21cyclictest67450irq/528-eth0-Tx00:10:430
1064019999843,47cyclictest1314773-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:48:060
1064019999832,12cyclictest0-21swapper/023:35:150
1064019999763,31cyclictest1252095-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:59:460
1064019999742,24cyclictest67450irq/528-eth0-Tx23:50:200
1064019999733,38cyclictest14250irq/98-imx_mu_c21:56:400
1064019999727,37cyclictest0-21swapper/021:40:210
1064019999727,37cyclictest0-21swapper/021:40:210
1064019999648,25cyclictest1102808-21/usr/sbin/munin20:45:250
1064019999647,22cyclictest1112747-21diskmemload21:32:260
1064019999621,28cyclictest13-21ksoftirqd/022:00:340
106401999952,48cyclictest1376536-21ssh00:30:220
1064019999444,18cyclictest13-21ksoftirqd/022:13:400
106401999941,4cyclictest1311134-21ssh23:40:380
1064019999365,25cyclictest1112646-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
21:47:220
106401999932,4cyclictest0-21swapper/020:15:430
106401999931,5cyclictest1073306-21ntpq19:30:410
1064019999247,31cyclictest1112646-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:08:550
1064019999232,22cyclictest67550irq/529-eth0-Tx22:25:120
1064019999232,22cyclictest67550irq/529-eth0-Tx22:25:110
106401999921,59cyclictest0-21swapper/023:20:340
106401999914,42cyclictest13-21ksoftirqd/021:37:460
106401999911,49cyclictest13-21ksoftirqd/000:29:190
1064019999023,15cyclictest1330356-21irqstats23:55:230
106401999891,47cyclictest0-21swapper/023:31:350
1064019998816,30cyclictest67650irq/530-eth0-Tx22:47:010
1064019998743,14cyclictest1100535-21date20:40:010
106401999871,25cyclictest1281187-21ssh23:18:200
106401999871,25cyclictest1281187-21ssh23:18:190
1064019998711,32cyclictest67550irq/529-eth0-Tx22:40:280
1064019998656,23cyclictest1076670-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
19:57:080
1064019998647,35cyclictest1104221-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:14:460
1064042998570,7cyclictest1339265-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:13:363
1064042998570,7cyclictest1339265-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:13:363
1064059998477,3cyclictest0-21swapper/520:37:155
1064050998175,2cyclictest0-21swapper/422:30:354
1064050998175,2cyclictest0-21swapper/422:30:344
1064025998169,6cyclictest1339265-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:23:391
1064042997966,6cyclictest1190090-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
22:13:443
1064019997846,15cyclictest1076670-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
19:47:220
1064042997763,6cyclictest1059548-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
19:13:473
13812912750,4sleep50-21swapper/500:34:095
1064050997569,3cyclictest0-21swapper/400:35:594
1064050997562,7cyclictest1116222-21diskmemload-400:28:314
1064019997542,15cyclictest1096278-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
20:28:570
1064019997533,13cyclictest1265914-21ssh23:06:170
106401999752,59cyclictest0-21swapper/000:06:060
106401999752,59cyclictest0-21swapper/000:06:060
106401999751,26cyclictest13-21ksoftirqd/000:35:100
1064050997467,3cyclictest0-21swapper/421:50:404
1064050997462,7cyclictest1196552-21ssh22:14:464
1064019997440,16cyclictest1088629-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
20:21:040
106401999742,4cyclictest0-21swapper/020:55:000
1064019997411,34cyclictest67650irq/530-eth0-Tx00:00:170
1064019997411,34cyclictest67650irq/530-eth0-Tx00:00:160
11538842730,5sleep123-21ksoftirqd/121:41:491
11538842730,5sleep123-21ksoftirqd/121:41:481
1064050997366,3cyclictest0-21swapper/423:29:544
1064050997366,3cyclictest0-21swapper/422:53:374
1064050997366,3cyclictest0-21swapper/419:20:434
1064050997366,3cyclictest0-21swapper/419:20:434
1064050997360,7cyclictest1116222-21diskmemload-423:45:374
1064019997341,20cyclictest67450irq/528-eth0-Tx19:50:170
1064019997339,22cyclictest67350irq/527-eth0-Tx21:05:290
1064019997321,19cyclictest67550irq/529-eth0-Tx21:50:300
1064050997267,2cyclictest0-21swapper/423:17:354
1064050997267,2cyclictest0-21swapper/423:17:344
1064050997266,3cyclictest0-21swapper/421:13:564
1064025997258,7cyclictest1339265-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:18:391
1064031997158,7cyclictest1063741-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
19:22:022
1064031997158,7cyclictest1063741-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
19:22:022
1064050997065,2cyclictest0-21swapper/422:45:164
1064050997064,2cyclictest0-21swapper/419:45:134
1064050996958,6cyclictest1123173-21ssh21:19:194
1064050996956,8cyclictest1141060-21ssh21:32:194
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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