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2026-09-01 - 11:55
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Tue Sep 01, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118400021040,2sleep30-21swapper/322:45:013
8667762390,2sleep30-21swapper/319:24:513
847488992413,7cyclictest1158410-21runrttasks22:31:260
84748899240,15cyclictest0-21swapper/000:19:270
84749099232,17cyclictest0-21swapper/220:09:282
847488992314,8cyclictest977-21rs:main0
847488992312,7cyclictest1116653-21irqcore22:09:490
84748899230,18cyclictest919479-21/usr/sbin/munin20:04:550
84748899225,4cyclictest0-21swapper/021:54:510
84748899215,9cyclictest0-21swapper/022:14:280
847488992114,6cyclictest24619-21llvmpipe-120:44:590
847488992112,7cyclictest24615-21JS14:54:060
847488992112,5cyclictest1180159-21kthreadcore22:44:500
84748899211,13cyclictest0-21swapper/021:19:270
84748899210,10cyclictest1206459-21tr22:59:490
847489992013,3cyclictest1260219-21kthreadcore23:29:501
847488992017,2cyclictest1281545-21ssh23:40:010
847488992014,5cyclictest24648-21gmain23:23:310
847488992014,5cyclictest1188-21runrttasks23:40:570
847488992011,5cyclictest1262280-21kthreadcore23:29:510
2447398200,3rtkit-daemon798-21mta-sts-daemon22:26:281
847489991912,3cyclictest1110786-21kthreadcore22:04:521
84748899194,10cyclictest1374355-21sshd-session00:37:390
847488991913,5cyclictest975-21in:imuxsock20:25:380
847488991913,5cyclictest24610-21gmain00:08:370
847488991913,5cyclictest1102502-21kthreadcore21:59:490
847488991912,5cyclictest1076483-21kthreadcore21:44:510
847488991912,5cyclictest1015614-21kworker/u16:1+nfsiod22:29:000
847488991911,7cyclictest1015614-21kworker/u16:1+nfsiod21:14:460
847488991910,4cyclictest1268824-21ssh23:34:500
847488991910,3cyclictest1005335-21kthreadcore21:04:500
84748899190,1cyclictest0-21swapper/020:09:280
2213291190,2phc2sys0-21swapper/323:40:153
2213291190,2phc2sys0-21swapper/320:29:543
84749099187,8cyclictest11230952sleep222:11:532
84749099181,14cyclictest1116399-21chrt22:09:482
847489991815,2cyclictest1339726-21aten2.4-expect00:19:271
847489991814,3cyclictest24619-21llvmpipe-123:12:591
847489991810,3cyclictest1136708-21kthreadcore22:19:511
84748899187,7cyclictest1331293-21cpuspeed_turbos00:14:430
84748899187,6cyclictest0-21swapper/022:24:490
84748899186,7cyclictest0-21swapper/000:25:040
84748899185,8cyclictest0-21swapper/023:54:500
847488991813,4cyclictest24610-21gmain23:49:050
847488991812,5cyclictest949107-21kthreadcore20:24:490
847488991812,5cyclictest890700-21rt-features19:39:550
847488991811,5cyclictest1227-21sshd23:12:380
2213291181,2phc2sys0-21swapper/300:00:313
2213291180,2phc2sys0-21swapper/321:54:593
10262572180,1sleep10-21swapper/121:18:401
84749099176,8cyclictest12738622sleep223:36:522
847490991712,2cyclictest0-21swapper/223:40:572
847490991712,2cyclictest0-21swapper/220:27:512
84748999176,4cyclictest501rcuop/222:34:301
847489991713,3cyclictest957011-21kthreadcore20:29:491
847489991713,3cyclictest24619-21llvmpipe-100:38:591
847489991713,3cyclictest24619-21llvmpipe-100:01:591
847489991713,3cyclictest1269382-21kthreadcore23:34:501
84748899179,6cyclictest24617-21JS14:54:060
84748899176,7cyclictest0-21swapper/022:05:010
84748899175,7cyclictest0-21swapper/022:18:570
847488991714,2cyclictest996136-21gltestperf20:59:470
847488991712,4cyclictest24619-21llvmpipe-123:00:590
847488991711,5cyclictest981773-21aten_repower_vo20:49:410
847488991711,5cyclictest897514-21pmu-power19:44:530
847488991711,5cyclictest863589-21unixbench_singl19:19:560
847488991711,5cyclictest24472-21rtkit-daemon00:21:090
847488991711,5cyclictest1226550-21kthreadcore23:09:500
847488991711,5cyclictest1047623-21kthreadcore21:29:510
84748899170,8cyclictest0-21swapper/019:49:270
84748899170,5cyclictest1015393-21cat21:10:010
84748899170,1cyclictest0-21swapper/022:48:100
84748899170,13cyclictest1194397-21ssh22:52:350
84748899170,13cyclictest1194397-21ssh22:52:350
2213291170,3phc2sys0-21swapper/322:29:273
2213291170,2phc2sys0-21swapper/323:10:483
847490991612,2cyclictest0-21swapper/221:03:592
847490991612,2cyclictest0-21swapper/220:39:222
847490991612,2cyclictest0-21swapper/219:31:362
84749099160,9cyclictest0-21swapper/220:04:592
84748999166,3cyclictest501rcuop/223:00:321
84748999165,3cyclictest501rcuop/219:25:191
84748999164,6cyclictest82050irq/121-eno121:14:521
84748999163,4cyclictest974146-21kworker/u16:2+xprtiod21:26:241
847489991613,2cyclictest932-1atopacctd20:49:461
847489991613,2cyclictest24616-21JS14:54:061
847489991613,2cyclictest1349225-21sh00:24:451
847489991613,2cyclictest1089173-21cpuspeed_turbos21:54:451
847489991613,2cyclictest1079859-21/usr/sbin/munin21:49:501
847489991612,3cyclictest24619-21llvmpipe-122:22:591
847489991612,3cyclictest1325098-21kthreadcore00:09:461
847489991612,3cyclictest1276945-21kthreadcore23:39:491
847489991612,3cyclictest1188321-21kthreadcore22:49:491
847489991612,3cyclictest1179049-21kthreadcore22:44:501
847489991612,3cyclictest1063837-21kthreadcore21:39:501
847489991610,5cyclictest1009360-21aten_repower_vo21:09:391
84748899169,6cyclictest854336-21ls19:15:000
84748899166,5cyclictest0-21swapper/021:39:420
84748899161,6cyclictest1035522-21apt-get21:24:270
847488991613,2cyclictest877150-21/usr/sbin/munin19:30:010
847488991611,4cyclictest991528-21kthreadcore20:54:520
84748899161,10cyclictest911870-21awk19:55:010
84748899161,10cyclictest911870-21awk19:55:010
847488991610,5cyclictest936309-21kthreadcore20:14:510
847488991610,5cyclictest1369561-21kthreadcore00:34:520
847488991610,5cyclictest1238050-21sh23:16:080
84748899160,3cyclictest0-21swapper/022:39:070
84748899160,12cyclictest1051310-21ssh21:30:130
84748899160,12cyclictest0-21swapper/019:34:460
2447398160,12rtkit-daemon1221-21lldpd19:12:121
2213291160,3phc2sys0-21swapper/321:46:363
2213291160,2phc2sys0-21swapper/322:31:153
2213291160,2phc2sys0-21swapper/322:16:193
10709242161,3sleep30-21swapper/321:44:163
84749099157,5cyclictest12653942sleep223:32:472
84749099157,3cyclictest0-21swapper/222:44:272
84749099155,7cyclictest12554622sleep223:25:262
847490991513,1cyclictest0-21swapper/219:39:592
847490991512,1cyclictest0-21swapper/223:23:312
847490991512,1cyclictest0-21swapper/222:39:072
847490991512,1cyclictest0-21swapper/220:51:362
847490991512,1cyclictest0-21swapper/220:44:592
847490991511,2cyclictest0-21swapper/219:25:272
84749099150,8cyclictest0-21swapper/222:49:272
84749099150,8cyclictest0-21swapper/200:34:282
84749099150,1cyclictest0-21swapper/200:39:292
84748999159,4cyclictest914747-21tr19:59:521
84748999159,3cyclictest1284833-21idleruntime23:44:461
84748999157,3cyclictest1128309-21kthreadcore22:14:511
84748999155,8cyclictest898664-21seq19:48:211
84748999153,6cyclictest1304549-21tr23:54:501
84748999152,3cyclictest1225031-21kthreadcore23:09:501
847489991512,2cyclictest973081-21kthreadcore20:39:521
847489991512,2cyclictest932-1atopacctd19:34:571
847489991512,2cyclictest927080-21gltestperf20:09:471
847489991512,2cyclictest892773-21ps19:44:481
847489991512,2cyclictest24610-21gmain22:05:051
847489991512,2cyclictest1334277-21kthreadcore00:14:491
847489991512,2cyclictest1054108-21gltestperf21:34:451
847489991511,3cyclictest998935-21kthreadcore20:59:511
847489991511,3cyclictest966641-21sendmail_mailqu20:34:541
847489991511,3cyclictest936974-21kthreadcore20:14:511
847489991511,3cyclictest932-1atopacctd20:44:521
847489991511,3cyclictest924725-21kthreadcore20:04:511
847489991511,3cyclictest1370803-21kthreadcore00:34:521
847489991511,3cyclictest1318647-21kworker/u16:0+nfsiod00:29:011
847489991511,3cyclictest1172682-21kthreadcore22:39:501
847489991511,3cyclictest1113314-21kworker/u16:2+nfsiod23:21:141
847489991511,3cyclictest1101951-21kthreadcore21:59:491
847489991511,3cyclictest1074304-21kthreadcore21:44:491
847489991511,3cyclictest1007641-21kthreadcore21:04:511
84748999150,11cyclictest1034439-21ssh21:22:061
84748899159,5cyclictest913618-21irqcore19:59:510
84748899154,4cyclictest940075-21sshd-session20:18:380
84748899151,9cyclictest0-21swapper/023:55:250
847488991510,4cyclictest870666-21latency_hist19:25:010
847488991510,4cyclictest24472-21rtkit-daemon21:47:160
8411282151,7sleep20-21swapper/219:09:282
2213291150,4phc2sys0-21swapper/321:27:003
2213291150,3phc2sys0-21swapper/322:04:163
2213291150,2phc2sys0-21swapper/323:50:093
2213291150,2phc2sys0-21swapper/322:53:303
2213291150,2phc2sys0-21swapper/322:53:303
2213291150,2phc2sys0-21swapper/320:34:453
84749099147,5cyclictest1300174-21chrt23:51:222
84749099147,4cyclictest1330700-21chrt00:14:152
84749099146,5cyclictest9953532sleep220:59:222
84749099146,5cyclictest9470232sleep220:23:392
84749099142,4cyclictest11948142sleep222:53:272
84749099142,4cyclictest11948142sleep222:53:272
84749099141,5cyclictest0-21swapper/219:49:272
847490991411,2cyclictest0-21swapper/223:02:062
847490991411,1cyclictest0-21swapper/223:17:542
847490991411,1cyclictest0-21swapper/222:31:262
84749099141,11cyclictest0-21swapper/222:01:272
847490991411,1cyclictest0-21swapper/221:59:492
847490991411,1cyclictest0-21swapper/221:06:232
847490991411,1cyclictest0-21swapper/200:08:372
847490991410,2cyclictest0-21swapper/223:45:122
847490991410,2cyclictest0-21swapper/221:14:512
84748999145,3cyclictest501rcuop/220:19:461
847489991411,2cyclictest847486-21cyclictest19:54:481
847489991411,2cyclictest847486-21cyclictest19:54:481
847489991411,2cyclictest341rcuc/122:59:461
847489991410,3cyclictest865688-21kthreadcore19:24:511
847489991410,3cyclictest855328-21kthreadcore19:15:041
847489991410,3cyclictest639274-21kworker/u16:3+nfsiod22:54:361
847489991410,3cyclictest639274-21kworker/u16:3+nfsiod22:54:361
847489991410,3cyclictest1316061-21kthreadcore23:59:511
2213291143,2phc2sys0-21swapper/320:04:563
2213291141,3phc2sys0-21swapper/320:39:283
2213291141,2phc2sys0-21swapper/300:36:233
2213291140,2phc2sys0-21swapper/322:13:433
2213291140,2phc2sys0-21swapper/321:22:423
2213291140,2phc2sys0-21swapper/300:29:333
2213291140,1phc2sys0-21swapper/300:23:543
84749099137,3cyclictest905609-21chrt19:54:202
84749099137,3cyclictest905609-21chrt19:54:202
84749099137,3cyclictest1357509-21chrt00:29:312
84749099137,3cyclictest1132429-21chrt22:17:502
84749099137,3cyclictest1042938-21chrt21:26:182
84749099136,5cyclictest9813612sleep220:46:272
84749099133,6cyclictest0-21swapper/221:39:272
84749099131,6cyclictest0-21swapper/221:21:452
847490991311,1cyclictest0-21swapper/200:04:562
847490991310,1cyclictest0-21swapper/221:44:512
847490991310,1cyclictest0-21swapper/221:15:492
84748999139,3cyclictest991493-21kthreadcore20:54:521
84748999138,4cyclictest947858-21tail20:24:461
84748999138,4cyclictest1237381-21kworker/u16:1-rpciod23:16:281
847489991310,2cyclictest885024-21tail19:39:311
2213291132,2phc2sys0-21swapper/322:24:563
2213291131,5phc2sys0-21swapper/323:09:273
2213291130,3phc2sys0-21swapper/323:29:283
2213291130,2phc2sys0-21swapper/323:36:463
2213291130,2phc2sys0-21swapper/321:11:513
2213291130,2phc2sys0-21swapper/319:10:533
2213291130,1phc2sys0-21swapper/321:36:273
84749099129,1cyclictest0-21swapper/223:12:382
84749099129,1cyclictest0-21swapper/223:09:502
84749099129,1cyclictest0-21swapper/222:29:002
84749099129,1cyclictest0-21swapper/219:44:532
84749099129,1cyclictest0-21swapper/219:19:562
84749099128,2cyclictest0-21swapper/222:21:052
84749099127,2cyclictest932991-21chrt20:10:512
84749099122,7cyclictest9608122sleep220:33:492
84749099122,7cyclictest13466222sleep200:20:222
84749099121,8cyclictest1087109-21chrt21:51:002
84749099121,7cyclictest0-21swapper/200:19:272
84749099121,1cyclictest0-21swapper/219:22:392
84748999121,6cyclictest847537-21cat19:10:021
84748899121,6cyclictest847502-21tar19:10:020
2213291121,4phc2sys0-21swapper/319:44:273
2213291121,3phc2sys0-21swapper/320:59:523
2213291121,2phc2sys0-21swapper/322:07:143
2213291121,2phc2sys0-21swapper/300:14:263
2213291120,4phc2sys0-21swapper/321:04:273
2213291120,2phc2sys0-21swapper/323:19:263
2213291120,2phc2sys0-21swapper/321:06:453
84749099113,6cyclictest0-21swapper/219:15:002
84749099112,7cyclictest0-21swapper/221:45:282
84749099112,6cyclictest9122682sleep219:55:412
84749099111,5cyclictest0-21swapper/221:34:262
84749099110,8cyclictest12024662sleep222:55:552
2213291112,2phc2sys0-21swapper/323:01:343
2213291111,3phc2sys0-21swapper/321:18:593
2213291111,2phc2sys0-21swapper/322:45:143
2213291111,2phc2sys0-21swapper/321:35:033
2213291111,2phc2sys0-21swapper/320:48:533
2213291111,2phc2sys0-21swapper/300:07:483
2213291110,2phc2sys0-21swapper/323:55:543
2213291110,2phc2sys0-21swapper/323:22:513
2213291110,2phc2sys0-21swapper/322:59:573
2213291110,2phc2sys0-21swapper/321:59:203
2213291110,1phc2sys0-21swapper/319:55:303
84749099107,2cyclictest0-21swapper/223:59:472
84749099107,1cyclictest0-21swapper/220:16:082
2213291101,4phc2sys0-21swapper/323:34:273
2213291101,2phc2sys0-21swapper/320:54:273
2213291101,2phc2sys0-21swapper/320:42:043
2213291101,2phc2sys0-21swapper/300:17:143
2213291100,3phc2sys0-21swapper/319:37:263
2213291100,2phc2sys0-21swapper/323:47:323
2213291100,2phc2sys0-21swapper/322:37:563
2213291100,2phc2sys0-21swapper/320:10:093
2213291100,2phc2sys0-21swapper/320:10:013
2213291100,2phc2sys0-21swapper/319:50:403
2213291100,2phc2sys0-21swapper/319:50:403
2213291100,2phc2sys0-21swapper/319:25:193
2213291100,2phc2sys0-21swapper/300:31:543
2213291100,1phc2sys0-21swapper/320:17:183
221329192,2phc2sys0-21swapper/319:45:323
221329191,2phc2sys0-21swapper/319:30:053
221329190,2phc2sys0-21swapper/320:21:233
221329190,2phc2sys0-21swapper/319:19:153
221329190,2phc2sys0-21swapper/319:05:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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