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2026-07-27 - 18:59
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot2.osadl.org (updated Mon Jul 27, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199032995247,4cyclictest929715-21latency_hist12:29:067
19849724635,8sleep40-21swapper/407:05:484
19861124535,7sleep50-21swapper/507:07:255
199032994339,2cyclictest608690-21munin-run10:19:077
1985762433,34sleep70-21swapper/707:06:557
199030993533,2cyclictest221860-21kworker/u16:1+flush-8:008:24:306
199032993433,0cyclictest0-21swapper/712:33:297
7920842330,1chrt435786-21diskmemload11:30:577
199025993330,2cyclictest222167-21kworker/u16:2+events_unbound08:34:225
199018993230,2cyclictest222194-21kworker/u16:5+events_unbound07:29:274
199030993129,2cyclictest518726-21kworker/u16:0+events_unbound09:44:306
19850823121,7sleep60-21swapper/607:05:586
199032993029,0cyclictest0-21swapper/711:36:507
199032993029,0cyclictest0-21swapper/709:34:107
199032993028,1cyclictest719035-21ssh11:02:387
199032993028,1cyclictest108-21kcompactd010:30:267
199032993028,1cyclictest0-21swapper/711:53:387
199032993025,4cyclictest744540-21latency_hist11:14:067
199030993028,2cyclictest222167-21kworker/u16:2+events_unbound08:39:256
199018993028,2cyclictest388087-21kworker/u16:4+events_unbound08:44:344
199032992928,0cyclictest0-21swapper/712:36:587
199032992928,0cyclictest0-21swapper/712:36:587
199032992928,0cyclictest0-21swapper/712:09:097
199032992928,0cyclictest0-21swapper/711:18:387
199032992928,0cyclictest0-21swapper/710:24:107
199030992927,2cyclictest620434-21kworker/u16:2+flush-8:010:44:226
199030992927,2cyclictest518726-21kworker/u16:0+flush-8:009:54:346
199030992927,2cyclictest319719-21kworker/u16:3+events_unbound08:09:316
199025992925,3cyclictest221860-21kworker/u16:1+flush-8:009:44:255
199032992827,0cyclictest0-21swapper/710:07:477
199032992826,1cyclictest545006-21ssh09:50:437
199032992823,4cyclictest648-21systemd-journal08:29:077
199032992726,0cyclictest0-21swapper/712:02:307
199032992726,0cyclictest0-21swapper/710:50:067
199032992726,0cyclictest0-21swapper/710:22:507
199032992725,1cyclictest484059-21ssh09:27:067
199032992722,4cyclictest534620-21latency_hist09:49:077
199018992725,2cyclictest581447-21kworker/u16:1+events_unbound10:14:334
199032992624,1cyclictest0-21swapper/711:04:497
199032992623,1cyclictest915981-21ssh12:21:457
199032992621,4cyclictest261182-21latency_hist07:39:077
199018992624,2cyclictest251180-21kworker/u16:0+events_unbound07:34:384
199018992624,2cyclictest222167-21kworker/u16:2+events_unbound08:14:344
199032992524,0cyclictest0-21swapper/710:38:427
199030992523,2cyclictest388087-21kworker/u16:4+events_unbound09:19:196
199030992523,2cyclictest222167-21kworker/u16:2+events_unbound08:19:316
199018992523,2cyclictest877203-21kworker/u16:3+flush-8:012:14:014
199018992523,2cyclictest518726-21kworker/u16:0+flush-8:009:44:424
199032992423,0cyclictest0-21swapper/709:13:317
199030992422,2cyclictest388087-21kworker/u16:4+flush-8:008:54:076
199018992422,2cyclictest930105-21kworker/u16:4+events_unbound12:34:334
199018992422,2cyclictest930105-21kworker/u16:4+events_unbound12:34:334
199018992422,2cyclictest221860-21kworker/u16:1+flush-8:008:24:324
199018992321,2cyclictest817344-21kworker/u16:2+flush-8:012:04:284
199018992321,2cyclictest382581-21kworker/u16:3+flush-8:009:09:064
199018992321,2cyclictest222167-21kworker/u16:2+events_unbound07:59:314
199018992320,2cyclictest319719-21kworker/u16:3+flush-8:008:29:214
199032992221,0cyclictest0-21swapper/711:48:497
199032992221,0cyclictest0-21swapper/711:22:467
199032992221,0cyclictest0-21swapper/710:10:317
199032992221,0cyclictest0-21swapper/709:54:387
199032992221,0cyclictest0-21swapper/709:22:037
19903299220,20cyclictest519861-21sh09:39:567
199030992220,2cyclictest658255-21kworker/u16:4+events_unbound10:49:306
199025992220,2cyclictest830332-21kworker/u16:1+flush-8:011:59:385
199018992220,2cyclictest594616-21kworker/u16:3+events_unbound10:24:354
199032992120,0cyclictest0-21swapper/711:56:367
199032992120,0cyclictest0-21swapper/711:56:367
199032992120,0cyclictest0-21swapper/710:02:547
199032992120,0cyclictest0-21swapper/709:32:347
199032992120,0cyclictest0-21swapper/709:14:097
199032992117,3cyclictest1302-21snmpd07:26:017
199032992115,5cyclictest426079-21latency_hist09:04:077
199030992118,2cyclictest754693-21kworker/u16:1+flush-8:011:19:356
199018992120,1cyclictest518726-21kworker/u16:0+events_unbound09:49:354
199018992118,2cyclictest844638-21kworker/u16:0+events_unbound12:14:154
199030992018,2cyclictest261395-21kworker/u16:3+flush-8:007:39:226
199018992018,2cyclictest645697-21kworker/u16:3+events_unbound10:34:354
199018992018,2cyclictest388087-21kworker/u16:4+flush-8:009:24:274
199018992017,2cyclictest729676-21kworker/u16:0+flush-8:011:09:074
199018992017,2cyclictest319719-21kworker/u16:3+events_unbound08:09:214
199032991918,0cyclictest0-21swapper/712:06:507
19903299190,17cyclictest682838-21latency_hist10:49:077
199030991917,2cyclictest769477-21kworker/u16:3+events_unbound11:49:246
199030991914,1cyclictest86-21ksoftirqd/610:58:566
199018991917,2cyclictest769477-21kworker/u16:3+events_unbound11:44:194
199018991917,2cyclictest691932-21kworker/u16:0+flush-8:010:54:434
199018991917,2cyclictest222167-21kworker/u16:2+flush-8:009:59:334
199018991917,2cyclictest196073-21kworker/u16:0+events_unbound07:18:094
199018991916,2cyclictest803822-21kworker/u16:1+flush-8:011:39:134
199018991916,2cyclictest620434-21kworker/u16:2+events_unbound11:29:174
199032991817,0cyclictest0-21swapper/711:26:347
199032991817,0cyclictest0-21swapper/708:36:267
199030991816,2cyclictest388087-21kworker/u16:4+flush-8:009:04:386
199030991816,2cyclictest222167-21kworker/u16:2+flush-8:009:00:426
199025991816,2cyclictest222167-21kworker/u16:2+events_unbound09:34:225
199018991816,2cyclictest707238-21kworker/u16:1+flush-8:010:59:314
199018991816,2cyclictest382581-21kworker/u16:3+events_unbound09:19:074
199018991816,2cyclictest222167-21kworker/u16:2+flush-8:008:19:224
199018991814,3cyclictest877203-21kworker/u16:3+flush-8:012:34:064
199032991716,0cyclictest0-21swapper/709:04:237
199032991713,3cyclictest1302-21snmpd07:48:137
199032991713,3cyclictest1302-21snmpd07:48:137
199030991715,2cyclictest319719-21kworker/u16:3+events_unbound08:14:326
19903099170,2cyclictest298472-21kthreadcore07:54:286
199018991715,2cyclictest817344-21kworker/u16:2+flush-8:011:49:334
199018991715,2cyclictest196073-21kworker/u16:0+events_unbound07:09:294
199018991714,2cyclictest559763-21kworker/u16:4+flush-8:010:04:354
199032991615,0cyclictest0-21swapper/712:18:227
199032991615,0cyclictest0-21swapper/707:53:187
199032991610,5cyclictest416368-21latency_hist08:59:077
199030991614,2cyclictest844638-21kworker/u16:0+flush-8:011:59:316
199030991614,2cyclictest620434-21kworker/u16:2+flush-8:011:04:346
199030991614,2cyclictest518726-21kworker/u16:0+flush-8:009:54:016
199030991614,2cyclictest222167-21kworker/u16:2+events_unbound07:24:226
199030991612,3cyclictest653350-21cut10:34:306
19903099160,15cyclictest796154-21kthreadcore11:34:246
19902599160,15cyclictest1-21systemd11:09:065
199018991614,2cyclictest767950-21kworker/u16:0+flush-8:011:39:024
199018991614,2cyclictest222194-21kworker/u16:5+events_unbound07:24:264
199018991614,2cyclictest221860-21kworker/u16:1+events_unbound09:43:024
199032991514,0cyclictest0-21swapper/711:42:557
199032991514,0cyclictest0-21swapper/708:43:027
199032991512,2cyclictest309663-21munin-run08:04:077
199030991513,2cyclictest222167-21kworker/u16:2+flush-8:008:34:326
199018991514,1cyclictest0-21swapper/410:39:084
199018991513,2cyclictest844638-21kworker/u16:0+events_unbound11:59:344
19901899150,1cyclictest0-21swapper/409:29:364
19903299148,5cyclictest648-21systemd-journal07:14:087
199032991413,0cyclictest0-21swapper/710:57:297
199032991413,0cyclictest0-21swapper/710:40:397
199032991413,0cyclictest0-21swapper/708:44:107
199032991413,0cyclictest0-21swapper/708:07:027
19903299140,13cyclictest0-21swapper/708:19:307
199030991413,1cyclictest0-21swapper/611:24:286
199030991413,1cyclictest0-21swapper/610:20:096
199030991412,2cyclictest803822-21kworker/u16:1+events_unbound11:39:326
199030991412,2cyclictest280409-21kworker/u16:0+events_unbound07:49:276
19903099140,1cyclictest0-21swapper/612:06:156
19903099140,14cyclictest0-21swapper/609:39:476
19902599149,4cyclictest242967-21cat07:29:235
199025991413,1cyclictest0-21swapper/512:09:505
199025991413,1cyclictest0-21swapper/511:18:265
19902599140,1cyclictest0-21swapper/511:56:075
19902599140,1cyclictest0-21swapper/511:56:075
19902599140,14cyclictest0-21swapper/511:36:155
19902599140,0cyclictest0-21swapper/511:10:335
199018991412,2cyclictest754693-21kworker/u16:1+flush-8:011:19:304
199018991412,2cyclictest620434-21kworker/u16:2+events_unbound11:24:234
199018991412,2cyclictest518726-21kworker/u16:0+flush-8:010:19:354
199018991411,2cyclictest388087-21kworker/u16:4+flush-8:008:54:274
19901899140,14cyclictest0-21swapper/411:05:094
19901899140,14cyclictest0-21swapper/410:53:104
19901899140,13cyclictest0-21swapper/409:34:114
19903299139,3cyclictest1302-21snmpd07:10:227
19903299138,4cyclictest1302-21snmpd07:58:237
19903099134,8cyclictest0-21swapper/612:09:236
199030991312,1cyclictest0-21swapper/612:20:366
199030991312,1cyclictest0-21swapper/611:47:586
199030991312,1cyclictest0-21swapper/610:24:156
199030991312,1cyclictest0-21swapper/610:04:136
19903099130,13cyclictest0-21swapper/612:32:166
19903099130,13cyclictest0-21swapper/608:32:186
19903099130,13cyclictest0-21swapper/608:05:116
19903099130,0cyclictest0-21swapper/610:00:076
19902599136,7cyclictest0-21swapper/509:26:455
199025991312,1cyclictest0-21swapper/512:21:015
199025991312,1cyclictest0-21swapper/511:29:565
199025991312,1cyclictest0-21swapper/509:43:125
199025991312,1cyclictest0-21swapper/509:23:205
19902599130,13cyclictest0-21swapper/512:29:325
19902599130,13cyclictest0-21swapper/510:21:405
19902599130,13cyclictest0-21swapper/509:51:525
19902599130,13cyclictest0-21swapper/507:52:415
19901899139,3cyclictest918640-21cat12:24:224
199018991312,1cyclictest0-21swapper/411:57:204
199018991312,1cyclictest0-21swapper/411:57:204
199018991312,1cyclictest0-21swapper/409:10:034
199018991312,1cyclictest0-21swapper/408:39:474
199018991310,2cyclictest620434-21kworker/u16:2+events_unbound10:44:084
19901899130,13cyclictest0-21swapper/410:31:254
19901899130,13cyclictest0-21swapper/408:36:474
19901899130,0cyclictest0-21swapper/410:12:584
19901899130,0cyclictest0-21swapper/409:54:314
19903299128,3cyclictest1302-21snmpd08:09:387
19903299128,3cyclictest1302-21snmpd07:22:107
199030991211,1cyclictest0-21swapper/612:35:256
199030991211,1cyclictest0-21swapper/612:35:256
199030991211,1cyclictest0-21swapper/612:26:266
199030991211,1cyclictest0-21swapper/611:58:226
199030991211,1cyclictest0-21swapper/611:58:226
199030991211,1cyclictest0-21swapper/609:17:336
199030991211,1cyclictest0-21swapper/608:58:296
199030991210,2cyclictest382581-21kworker/u16:3+events_unbound08:44:326
199030991210,2cyclictest169787-21kworker/u16:4+events_unbound07:09:216
19903099120,11cyclictest257328-21cut07:34:286
19903099120,0cyclictest0-21swapper/607:22:186
199025991211,1cyclictest0-21swapper/512:25:175
199025991211,1cyclictest0-21swapper/509:17:495
199025991210,2cyclictest221860-21kworker/u16:1+flush-8:007:34:235
19902599120,1cyclictest0-21swapper/507:46:325
19902599120,1cyclictest0-21swapper/507:46:325
19901899128,3cyclictest745879-21cat11:14:244
199018991210,2cyclictest844638-21kworker/u16:0+flush-8:012:19:094
199018991210,2cyclictest382581-21kworker/u16:3+events_unbound08:59:254
19901899120,12cyclictest0-21swapper/407:20:384
19903299118,2cyclictest1302-21snmpd07:39:527
19903299115,4cyclictest958-21NetworkManager08:49:367
199032991110,0cyclictest0-21swapper/708:17:597
19903299110,10cyclictest1302-21snmpd07:30:437
19903099119,2cyclictest877203-21kworker/u16:3+flush-8:012:14:266
19903099119,2cyclictest222167-21kworker/u16:2+events_unbound07:44:266
19903099119,2cyclictest222167-21kworker/u16:2+events_unbound07:44:266
19903099116,4cyclictest222096-21pool-gnome-soft07:17:596
199030991110,1cyclictest0-21swapper/610:18:066
199030991110,1cyclictest0-21swapper/610:14:006
19902599119,2cyclictest707238-21kworker/u16:1+flush-8:011:04:075
199025991110,1cyclictest0-21swapper/512:35:225
199025991110,1cyclictest0-21swapper/512:35:225
199025991110,1cyclictest0-21swapper/512:16:465
199025991110,1cyclictest0-21swapper/510:38:425
199025991110,1cyclictest0-21swapper/510:25:465
199025991110,1cyclictest0-21swapper/508:39:215
199025991110,1cyclictest0-21swapper/508:12:145
199025991110,1cyclictest0-21swapper/508:06:335
199025991110,1cyclictest0-21swapper/507:26:595
199025991110,1cyclictest0-21swapper/507:21:185
19902599110,3cyclictest1-21systemd11:49:065
19902599110,11cyclictest0-21swapper/508:46:265
19902599110,0cyclictest0-21swapper/507:56:475
19901899119,2cyclictest382581-21kworker/u16:3+events_unbound08:49:214
199018991110,1cyclictest0-21swapper/407:54:234
19901899110,11cyclictest0-21swapper/407:40:404
19903299107,2cyclictest1302-21snmpd08:27:177
19903099109,1cyclictest0-21swapper/610:43:196
19903099109,1cyclictest0-21swapper/608:01:056
19903099104,5cyclictest0-21swapper/610:59:186
19903099104,5cyclictest0-21swapper/609:34:256
19903099100,9cyclictest746789-21kthreadcore11:14:266
19902599109,1cyclictest0-21swapper/510:54:185
19902599109,1cyclictest0-21swapper/510:02:365
19902599109,1cyclictest0-21swapper/509:56:275
19902599109,1cyclictest0-21swapper/509:30:265
19902599109,1cyclictest0-21swapper/509:12:185
19902599109,1cyclictest0-21swapper/509:02:415
19902599108,1cyclictest0-21swapper/507:18:005
19901899109,1cyclictest0-21swapper/409:19:314
19901899100,0cyclictest0-21swapper/408:06:414
1990309997,2cyclictest86-21ksoftirqd/609:24:116
1990309997,1cyclictest0-21swapper/609:29:346
1990309990,9cyclictest0-21swapper/611:10:546
1990309990,8cyclictest783558-21kthreadcore11:29:256
1990309990,8cyclictest0-21swapper/610:29:076
1990259998,1cyclictest0-21swapper/510:49:065
1990259998,1cyclictest0-21swapper/510:33:305
1990259998,1cyclictest0-21swapper/510:16:005
1990259998,1cyclictest0-21swapper/510:08:165
1990259998,1cyclictest0-21swapper/508:22:475
1990259995,3cyclictest200011-21cat07:09:225
1990259994,4cyclictest807526-21hwlatdetect11:39:225
1990259994,4cyclictest770554-21cat11:24:235
1990259993,5cyclictest0-21swapper/511:49:285
1990259990,8cyclictest0-21swapper/510:49:235
1990309984,3cyclictest242481-21cstates07:29:216
1990309980,3cyclictest436374-21cpuspeed09:09:206
1990259987,1cyclictest0-21swapper/508:58:065
1990259987,1cyclictest0-21swapper/508:14:175
1990259987,1cyclictest0-21swapper/507:40:235
1990259986,1cyclictest0-21swapper/510:39:225
1990259984,3cyclictest357662-21grep08:24:365
1990259983,4cyclictest587112-21cut10:09:275
1990259983,4cyclictest427973-21cut09:04:265
1990259983,4cyclictest402888-21grep08:49:275
1990259983,4cyclictest360095-21cat08:29:245
1990259983,4cyclictest308807-21cut07:59:345
1990259982,5cyclictest0-21swapper/512:04:475
1990189984,3cyclictest289763-21timerwakeupswit07:49:334
1990259975,1cyclictest0-21swapper/511:19:245
1990189972,4cyclictest274844-21kthreadcore07:44:284
1990189972,4cyclictest274844-21kthreadcore07:44:284
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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