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2026-03-21 - 04:16
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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
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Sat Mar 21, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140370321570,2sleep30-21swapper/323:58:513
102968021050,1sleep00-21swapper/020:06:280
102968021050,1sleep00-21swapper/020:06:280
98508421030,1sleep0985085-21cut19:26:320
98195221020,1sleep10-21swapper/119:26:291
12499652980,2sleep30-21swapper/322:31:263
14653832320,2sleep30-21swapper/300:34:343
96034899307,12cyclictest960342-21cyclictest21:21:290
960348993013,12cyclictest1428126-21cut00:11:330
960348993010,12cyclictest0-21swapper/000:26:360
960348992718,8cyclictest1108566-21gpgconf21:10:010
960348992617,8cyclictest1095981-21ls21:00:000
96034899261,20cyclictest1996-21runrttasks22:18:110
96034899260,11cyclictest1237931-21kworker/u16:0+rpciod23:13:230
96034899258,12cyclictest4114978-21snmpd21:31:060
960348992512,9cyclictest960342-21cyclictest19:35:000
960348992415,8cyclictest1215799-21ps22:11:310
960348992415,8cyclictest1120020-21kthreadcore21:16:310
96034899241,15cyclictest1299369-21sh22:58:280
96034899240,12cyclictest1186002-21runrttasks21:53:250
96034899240,10cyclictest1343917-21kworker/u16:1+rpciod23:26:120
96034899240,10cyclictest1343917-21kworker/u16:1+rpciod23:26:120
96034899240,10cyclictest1237931-21kworker/u16:0+rpciod22:26:160
96034899240,10cyclictest1126546-21kworker/u16:1+rpciod21:27:530
96034899235,12cyclictest1172039-21irqstats21:46:290
96034899234,13cyclictest1161657-21sh21:40:420
960348992313,9cyclictest1256997-21latency_hist22:35:010
960348992312,9cyclictest993316-21aten_repower_vo19:36:260
960348992311,7cyclictest0-21swapper/019:46:310
96034899230,17cyclictest1317688-21ssh23:09:590
96034899230,13cyclictest1474224-21sh00:39:540
96034899230,13cyclictest1457892-21taskset00:31:040
96034899230,13cyclictest1281520-21taskset22:47:390
96034899230,13cyclictest1257654-21sh22:35:410
96034899230,13cyclictest1237165-21python322:21:360
96034899230,13cyclictest1052803-21python320:21:370
960350992219,1cyclictest0-21swapper/221:40:002
96034899225,9cyclictest0-21swapper/023:22:360
96034899225,9cyclictest0-21swapper/000:16:260
96034899224,12cyclictest1996-21runrttasks00:00:070
960348992213,8cyclictest1065734-21apt-key20:35:010
960348992212,9cyclictest1376289-21unixbench-2d23:41:380
96034899220,17cyclictest1996-21runrttasks23:33:530
96034899220,17cyclictest1395289-21taskset23:54:080
96034899220,17cyclictest1308553-21runrttasks23:04:150
96034899220,17cyclictest1289720-21sh22:51:560
96034899220,17cyclictest1272323-21sh22:41:450
96034899220,17cyclictest1211588-21sh22:06:450
96034899220,17cyclictest1159961-21runrttasks21:38:500
96034899220,17cyclictest1041685-21taskset20:15:420
96034899220,17cyclictest1017302-21taskset19:55:390
96034899220,16cyclictest1378800-21taskset23:45:110
96034899220,12cyclictest1996-21runrttasks23:59:060
96034899220,12cyclictest1996-21runrttasks21:12:340
96034899220,12cyclictest1446917-21sh00:22:510
96034899220,12cyclictest1361407-21ssh23:35:020
96034899220,12cyclictest1196890-21sh22:01:130
96034899220,12cyclictest1028774-21taskset20:01:480
960349992118,2cyclictest1369679-21idleruntime-cro23:40:001
960349992114,3cyclictest257-21systemd-journal23:28:451
960349992114,3cyclictest257-21systemd-journal23:28:451
960348992112,8cyclictest960342-21cyclictest20:28:520
96034899210,13cyclictest974539-21sshd19:18:580
96034899210,12cyclictest1414104-21sh00:06:030
96034899210,11cyclictest1996-21runrttasks21:55:060
96034899210,11cyclictest1326744-21ssh23:15:100
96034899210,11cyclictest1011276-21runrttasks19:50:580
960350992017,1cyclictest0-21swapper/221:00:002
960349992016,3cyclictest0-21swapper/120:15:001
960348992013,6cyclictest0-21swapper/019:15:010
960348992012,7cyclictest1087071-21kthreadcore20:51:320
960348992011,8cyclictest1000530-21kthreadcore19:41:310
96034899200,12cyclictest980607-21taskset19:24:110
96034899200,10cyclictest1996-21runrttasks20:38:440
960350991916,1cyclictest0-21swapper/200:10:002
960350991915,2cyclictest0-21swapper/223:06:252
96034999198,4cyclictest0-21swapper/100:01:241
960349991916,2cyclictest1422102-21apt-key00:10:001
960349991916,2cyclictest1160718-21apt-key21:40:001
960349991912,3cyclictest1358516-21proc_pri23:31:351
96034899190,14cyclictest1078207-21taskset20:45:320
96034899190,14cyclictest1073007-21hddtemp_smartct20:41:300
96034899190,10cyclictest1101681-21python321:01:370
96034899190,10cyclictest1040456-21python320:11:360
2902298190,4rtkit-daemon1108302-21diskmemload23:05:341
2649091190,2phc2sys0-21swapper/321:36:373
960350991815,1cyclictest0-21swapper/223:40:002
960350991815,1cyclictest0-21swapper/222:31:302
960350991815,1cyclictest0-21swapper/221:50:012
960350991815,1cyclictest0-21swapper/221:15:002
960350991814,2cyclictest0-21swapper/222:00:032
960349991815,2cyclictest1-21systemd19:45:021
96034899189,8cyclictest960356-21sh19:10:010
2649091180,2phc2sys0-21swapper/322:15:163
96035099179,1cyclictest0-21swapper/221:25:002
96035099178,1cyclictest0-21swapper/200:30:002
96035099177,2cyclictest0-21swapper/220:20:002
960350991714,1cyclictest0-21swapper/223:45:012
960350991714,1cyclictest0-21swapper/223:20:002
960350991714,1cyclictest0-21swapper/222:56:312
960350991713,2cyclictest1181326-21chrt21:51:332
960349991714,2cyclictest1326-21systemd-logind22:20:011
960349991714,2cyclictest1108661-21sh21:10:011
960349991714,2cyclictest0-21swapper/123:00:001
960349991714,2cyclictest0-21swapper/122:50:001
96034999171,3cyclictest0-21swapper/123:49:331
960349991713,3cyclictest1237931-21kworker/u16:0+nfsiod22:22:501
960349991713,3cyclictest1131216-21kthreadcore21:21:321
96034999170,3cyclictest0-21swapper/100:32:181
2902298170,2rtkit-daemon0-21swapper/121:44:271
2649091171,4phc2sys0-21swapper/323:06:233
2649091170,3phc2sys0-21swapper/321:32:433
2649091170,2phc2sys0-21swapper/323:46:173
2649091170,2phc2sys0-21swapper/322:55:363
2649091170,2phc2sys0-21swapper/322:27:393
2649091170,2phc2sys0-21swapper/321:55:033
2649091170,2phc2sys0-21swapper/321:44:093
96035099168,1cyclictest0-21swapper/220:50:002
960350991614,1cyclictest0-21swapper/223:56:332
960350991613,2cyclictest0-21swapper/220:35:012
960350991613,2cyclictest0-21swapper/219:51:342
960350991613,1cyclictest0-21swapper/223:30:002
960350991613,1cyclictest0-21swapper/223:30:002
960350991613,1cyclictest0-21swapper/223:01:292
960350991613,1cyclictest0-21swapper/222:11:332
960350991613,1cyclictest0-21swapper/219:56:292
960350991613,1cyclictest0-21swapper/200:21:292
960350991612,2cyclictest0-21swapper/221:10:012
960350991612,2cyclictest0-21swapper/219:26:282
960350991612,2cyclictest0-21swapper/219:15:022
96034999168,3cyclictest1343696-21turbostat.cron23:24:561
96034999164,7cyclictest36-21ksoftirqd/120:35:011
960349991613,2cyclictest1448216-21cron00:25:001
960349991613,2cyclictest1288-1atopacctd23:50:261
960349991613,2cyclictest1248406-21systemctl22:30:011
960349991613,2cyclictest1190913-21kthreadcore21:56:321
960349991613,2cyclictest1152157-21systemd-run21:35:001
960349991613,2cyclictest1026779-21kthreadcore20:01:321
960349991611,4cyclictest967005-21kthreadcore19:15:021
96034999160,3cyclictest0-21swapper/122:40:281
96034999160,3cyclictest0-21swapper/122:39:241
2902298160,2rtkit-daemon0-21swapper/122:05:401
2649091164,3phc2sys0-21swapper/323:40:013
2649091160,1phc2sys0-21swapper/321:12:003
2649091160,1phc2sys0-21swapper/300:07:383
96035099157,1cyclictest0-21swapper/222:55:002
96035099153,8cyclictest0-21swapper/220:10:002
96035099153,8cyclictest0-21swapper/220:10:002
960350991513,1cyclictest0-21swapper/220:15:002
960350991512,1cyclictest0-21swapper/222:40:492
960350991512,1cyclictest0-21swapper/222:26:362
960350991512,1cyclictest0-21swapper/222:06:302
960350991512,1cyclictest0-21swapper/221:01:362
960350991512,1cyclictest0-21swapper/220:25:002
960350991511,2cyclictest0-21swapper/223:50:012
960350991511,2cyclictest0-21swapper/221:26:312
96034999158,3cyclictest1397332-21cstates23:56:271
96034999157,3cyclictest1449441-21aten_repower_en00:26:241
96034999152,2cyclictest191rcu_preempt22:02:251
96034999151,6cyclictest974615-21cat19:19:561
960349991512,2cyclictest1474497-21latency_hist00:40:011
960349991512,2cyclictest1327-21in:imuxsock20:57:471
960349991512,2cyclictest1184325-21needreboot21:51:361
960349991512,2cyclictest1032211-21kthreadcore20:06:341
960349991512,2cyclictest1032211-21kthreadcore20:06:341
960349991512,2cyclictest1011114-21systemd-run19:50:021
960349991512,2cyclictest0-21swapper/120:45:011
960349991511,3cyclictest70-21kcompactd023:16:311
960349991511,3cyclictest1285493-21kthreadcore22:51:321
960349991511,3cyclictest1140681-21head21:26:341
96034999150,3cyclictest0-21swapper/121:15:401
96034999150,3cyclictest0-21swapper/120:53:281
2649091150,3phc2sys0-21swapper/322:35:223
2649091150,2phc2sys0-21swapper/323:03:053
2649091150,2phc2sys0-21swapper/300:24:313
2649091150,1phc2sys0-21swapper/321:20:183
960350991412,1cyclictest0-21swapper/222:05:002
960350991411,2cyclictest0-21swapper/221:41:312
960350991411,2cyclictest0-21swapper/219:16:322
960350991411,1cyclictest0-21swapper/223:31:262
960350991411,1cyclictest0-21swapper/223:21:262
960350991411,1cyclictest0-21swapper/222:46:322
960350991411,1cyclictest0-21swapper/222:21:302
960350991411,1cyclictest0-21swapper/221:30:582
960350991411,1cyclictest0-21swapper/220:51:312
960350991411,1cyclictest0-21swapper/220:26:282
960350991411,1cyclictest0-21swapper/200:16:362
960350991410,3cyclictest0-21swapper/221:20:012
960350991410,2cyclictest0-21swapper/200:01:272
96035099140,9cyclictest0-21swapper/200:10:442
96034999149,2cyclictest134050irq/121-eno121:49:391
96034999147,1cyclictest134050irq/121-eno122:31:211
96034999146,2cyclictest1108302-21diskmemload00:13:121
960349991411,2cyclictest988446-21kthreadcore19:31:311
960349991411,2cyclictest1996-21runrttasks00:15:401
960349991411,2cyclictest1370999-21aten_repower_po23:41:251
960349991411,2cyclictest1326616-21systemd-run23:15:021
960349991411,2cyclictest1011309-21/usr/sbin/munin19:51:261
960349991410,3cyclictest1215993-21kernelversion22:11:311
960349991410,3cyclictest1067871-21kthreadcore20:36:321
960349991410,3cyclictest1054143-21cpuspeed_turbos20:26:261
960349991410,2cyclictest0-21swapper/123:05:001
96034999140,2cyclictest1102318-21wc21:05:001
96034999140,2cyclictest0-21swapper/120:16:371
2649091140,2phc2sys0-21swapper/322:40:583
2649091140,2phc2sys0-21swapper/322:04:223
2649091140,1phc2sys0-21swapper/319:50:213
96035099139,2cyclictest0-21swapper/200:31:342
960350991311,1cyclictest0-21swapper/223:51:322
960350991311,1cyclictest0-21swapper/200:36:302
960350991310,2cyclictest0-21swapper/222:16:302
960350991310,1cyclictest0-21swapper/220:45:002
960350991310,1cyclictest0-21swapper/220:36:332
960350991310,1cyclictest0-21swapper/219:46:362
960350991310,1cyclictest0-21swapper/219:41:282
960350991310,1cyclictest0-21swapper/219:40:002
96034999139,3cyclictest1018688-21kthreadcore19:56:321
96034999138,1cyclictest191rcu_preempt20:46:251
960349991310,2cyclictest501rcuop/219:21:301
960349991310,2cyclictest1108302-21diskmemload21:15:011
960349991310,2cyclictest1049120-21kthreadcore20:21:321
2649091130,2phc2sys0-21swapper/322:53:003
2649091130,2phc2sys0-21swapper/321:45:063
2649091130,1phc2sys0-21swapper/320:56:493
96035099129,2cyclictest0-21swapper/219:31:312
96035099129,1cyclictest0-21swapper/220:01:302
96035099129,1cyclictest0-21swapper/219:10:012
960350991210,1cyclictest0-21swapper/223:11:232
960350991210,1cyclictest0-21swapper/219:21:302
96035099120,10cyclictest0-21swapper/222:35:202
96034999129,2cyclictest994396-21irqrtprio19:36:301
2649091123,2phc2sys0-21swapper/320:26:323
2649091122,2phc2sys0-21swapper/323:11:123
2649091122,2phc2sys0-21swapper/321:54:553
2649091121,2phc2sys0-21swapper/321:26:273
2649091121,2phc2sys0-21swapper/320:36:343
2649091120,3phc2sys0-21swapper/319:21:243
2649091120,2phc2sys0-21swapper/323:29:513
2649091120,2phc2sys0-21swapper/323:29:513
2649091120,2phc2sys0-21swapper/320:15:063
2649091120,2phc2sys0-21swapper/319:11:453
2649091120,1phc2sys0-21swapper/322:20:453
96034999114,5cyclictest1290-21dbus-daemon19:10:021
2649091112,2phc2sys0-21swapper/322:49:033
2649091112,2phc2sys0-21swapper/322:09:113
2649091111,4phc2sys0-21swapper/321:16:243
2649091111,2phc2sys0-21swapper/300:27:303
2649091110,2phc2sys0-21swapper/321:08:143
2649091110,2phc2sys0-21swapper/319:32:093
2649091110,1phc2sys0-21swapper/323:41:173
2649091110,1phc2sys0-21swapper/321:03:553
2649091110,1phc2sys0-21swapper/319:25:413
2649091103,3phc2sys0-21swapper/319:40:013
2649091101,3phc2sys0-21swapper/323:31:523
2649091101,3phc2sys0-21swapper/320:00:023
2649091101,2phc2sys0-21swapper/323:50:113
2649091101,2phc2sys0-21swapper/320:46:363
2649091101,2phc2sys0-21swapper/300:10:073
2649091100,2phc2sys0-21swapper/323:22:263
2649091100,2phc2sys0-21swapper/323:16:293
2649091100,2phc2sys0-21swapper/320:06:403
2649091100,2phc2sys0-21swapper/320:06:403
2649091100,2phc2sys0-21swapper/319:10:013
2649091100,2phc2sys0-21swapper/300:35:563
2649091100,2phc2sys0-21swapper/300:16:283
2649091100,2phc2sys0-21swapper/300:00:333
264909191,2phc2sys0-21swapper/320:00:033
264909190,3phc2sys0-21swapper/319:41:323
264909190,2phc2sys0-21swapper/322:10:033
264909190,2phc2sys0-21swapper/320:41:313
264909190,2phc2sys0-21swapper/320:31:253
264909190,2phc2sys0-21swapper/320:21:313
264909190,2phc2sys0-21swapper/320:11:253
264909190,2phc2sys0-21swapper/319:50:013
264909190,2phc2sys0-21swapper/319:16:313
264909190,1phc2sys0-21swapper/320:50:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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