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2026-04-29 - 07:11
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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 Wed Apr 29, 2026 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3935148231113101,5sleep50-21swapper/519:07:235
3933712224312400,17sleep03933634-21kworker/0:3+events@
dbs_work_handler
19:05:160
3934001216951674,9sleep33929152-21kworker/3:1+events@
dbs_work_handler
19:05:203
39355019912313,97cyclictest4133076-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:25:270
39355019911917,66cyclictest3960083-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
20:20:220
3935501999932,38cyclictest69150irq/529-eth0-Tx22:10:210
393550199963,72cyclictest4097935-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:51:370
393550199963,72cyclictest4097935-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:51:370
3935501999570,16cyclictest68950irq/527-eth0-Tx21:44:560
3935524999487,3cyclictest0-21swapper/520:41:085
3935501999467,18cyclictest68950irq/527-eth0-Tx20:50:200
3935501999467,18cyclictest68950irq/527-eth0-Tx20:50:200
3935515999167,7cyclictest4110772-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:10:343
3935510999176,8cyclictest3986215-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:35:162
3935501999177,7cyclictest11929-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
00:29:350
3935501999165,14cyclictest68950irq/527-eth0-Tx23:50:330
3935524999084,2cyclictest0-21swapper/523:51:445
3935501999037,37cyclictest69150irq/529-eth0-Tx23:40:390
3935501999037,37cyclictest69150irq/529-eth0-Tx23:40:390
3935501998960,19cyclictest68950irq/527-eth0-Tx21:18:110
3935501998960,19cyclictest68950irq/527-eth0-Tx21:18:100
3935501998922,26cyclictest0-21swapper/022:30:310
393550199881,52cyclictest0-21swapper/023:45:120
393550199881,52cyclictest0-21swapper/023:45:120
3935501998762,16cyclictest69050irq/528-eth0-Tx23:05:130
393550199871,69cyclictest0-21swapper/000:10:390
3935505998671,7cyclictest4149963-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:25:411
3935501998627,7cyclictest4030611-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:00:390
3935501998627,7cyclictest4030611-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:00:380
393550199861,67cyclictest4105241-21ssh22:50:020
3935510998570,8cyclictest4139449-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
23:20:482
3935501998559,4cyclictest0-21swapper/019:25:120
393550199853,66cyclictest4075088-21cpu22:25:180
3935501998522,4cyclictest0-21swapper/021:47:230
3935510998457,7cyclictest4182556-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:55:462
3935501998463,10cyclictest0-21swapper/020:41:080
3935501998359,13cyclictest68950irq/527-eth0-Tx20:15:010
3935501998358,13cyclictest69050irq/528-eth0-Tx23:37:150
3935501998341,4cyclictest3983901-21diskmemload21:30:470
393550199831,53cyclictest0-21swapper/022:41:400
393550199831,53cyclictest0-21swapper/022:41:400
3935510998269,6cyclictest4110772-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:15:232
3935505998269,7cyclictest4097935-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:53:541
3935505998269,7cyclictest4097935-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:53:541
3935501998259,14cyclictest69150irq/529-eth0-Tx20:15:140
393550199824,66cyclictest69050irq/528-eth0-Tx23:55:140
3935501998226,35cyclictest4155980-21ssh23:30:320
3935501998210,46cyclictest0-21swapper/000:15:370
3935520998175,3cyclictest0-21swapper/422:05:224
3935520998174,3cyclictest0-21swapper/423:25:444
3935515998169,6cyclictest3956057-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork
20:06:123
3935501998131,36cyclictest69150irq/529-eth0-Tx22:45:210
3935515998066,7cyclictest4077753-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:01:493
3935510998066,7cyclictest4030611-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:05:342
393550199802,44cyclictest4037583-21latency_hist21:55:020
393550199802,44cyclictest4037583-21latency_hist21:55:010
3935520997966,6cyclictest3987268-21diskmemload-423:41:424
3935520997966,6cyclictest3987268-21diskmemload-423:41:424
3935515997967,6cyclictest4084876-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:41:373
3935515997967,6cyclictest4084876-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:41:373
3935515997966,6cyclictest4030611-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:15:003
3935501997959,4cyclictest68950irq/527-eth0-Tx20:55:400
3935501997925,39cyclictest4077753-21kworker/u12:2+rpciod@
rpc_async_schedule
22:55:300
3935524997872,3cyclictest0-21swapper/500:30:475
3935524997872,3cyclictest0-21swapper/500:30:475
3935520997863,9cyclictest3987268-21diskmemload-423:36:434
3935515997866,6cyclictest4005762-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
21:38:233
3935510997865,7cyclictest4005762-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
21:52:142
3935510997865,7cyclictest4005762-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
21:52:132
3935510997848,8cyclictest3949352-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
19:49:002
3935510997848,8cyclictest3949352-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
19:48:592
3935501997865,7cyclictest4037837-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:20:400
3935501997863,7cyclictest3965486-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
20:27:200
3935501997851,13cyclictest0-21swapper/021:00:280
393550199781,5cyclictest4142067-21awk23:20:010
3935520997766,6cyclictest4127884-21ssh23:08:054
3935515997764,7cyclictest4063377-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:28:183
3935515997764,7cyclictest11929-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
00:23:573
3935515997763,8cyclictest4182556-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
00:09:023
3935510997764,6cyclictest4157630-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork
23:39:532
3935501997759,4cyclictest69050irq/528-eth0-Tx00:39:290
3935501997759,4cyclictest69050irq/528-eth0-Tx00:39:290
3935501997757,12cyclictest69150irq/529-eth0-Tx20:30:120
3935501997750,19cyclictest68950irq/527-eth0-Tx22:19:390
3935501997748,3cyclictest0-21swapper/021:21:570
3935501997719,43cyclictest0-21swapper/019:40:010
3935501997713,29cyclictest0-21swapper/022:00:000
3935501997713,29cyclictest0-21swapper/022:00:000
3935524997670,3cyclictest0-21swapper/522:38:075
3935520997669,3cyclictest0-21swapper/421:11:254
3935520997669,3cyclictest0-21swapper/421:11:244
3935520997665,6cyclictest23262-21ssh00:20:154
3935515997663,7cyclictest4139449-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
23:27:583
3935515997662,7cyclictest3986215-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:13:383
3935515997662,7cyclictest3986215-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:13:373
3935505997662,7cyclictest4005762-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
21:42:561
393550199764,44cyclictest0-21swapper/023:10:300
393550199761,51cyclictest0-21swapper/000:05:370
3935515997563,6cyclictest4182556-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
00:17:313
3935510997564,8cyclictest210-21kswapd021:50:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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