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2026-08-06 - 10:59
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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
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Thu Aug 06, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14125182710,1sleep11412501-21ssh21:40:481
14441842610,4sleep1341rcuc/122:04:291
15258082350,2sleep30-21swapper/323:00:023
1213902993517,13cyclictest0-21swapper/100:40:001
1213902993423,7cyclictest191rcu_preempt19:15:041
1213902993330,2cyclictest1362683-21grep21:10:011
1213902993330,2cyclictest1362683-21grep21:10:011
1213902993220,7cyclictest69250irq/121-eno123:03:451
1213902993216,11cyclictest0-21swapper/122:00:011
16539142290,2sleep11653522-21ssh00:25:411
1213902992915,10cyclictest1612635-21head23:55:461
121390299284,13cyclictest1-21systemd20:35:011
1213902992814,10cyclictest1392641-21sh21:30:141
1213903992720,3cyclictest0-21swapper/221:20:272
1213902992516,8cyclictest1592207-21base6423:45:011
1213902992511,10cyclictest1567097-21kthreadcore23:25:441
1213902992416,7cyclictest1-21systemd22:40:031
1213902992416,7cyclictest1-21systemd22:40:031
1213902992410,9cyclictest0-21swapper/123:30:471
121390299239,9cyclictest0-21swapper/100:20:511
121390299238,10cyclictest0-21swapper/122:40:451
121390299234,14cyclictest1444834-21taskset22:05:231
121390299225,7cyclictest0-21swapper/123:45:481
1213902992214,7cyclictest1391833-21sshd21:28:441
1213902992214,7cyclictest1327330-21gltestperf20:40:401
1213902992214,7cyclictest1303226-21grep20:20:421
121390299221,16cyclictest1034-21runrttasks23:13:271
121390299221,16cyclictest1034-21runrttasks20:36:121
121390299221,15cyclictest1420711-21taskset21:46:291
121390299221,12cyclictest1510466-21taskset22:48:591
121390299221,12cyclictest1377120-21sh21:18:591
121390299221,12cyclictest1034-21runrttasks23:54:311
1213902992211,10cyclictest1471601-21kthreadcore22:20:451
121390299221,10cyclictest1644559-21systemd-run00:20:021
121390299221,10cyclictest1644559-21systemd-run00:20:021
121390299220,17cyclictest1539342-21taskset23:07:021
121390299220,17cyclictest1240671-21taskset19:29:411
121390299220,13cyclictest69250irq/121-eno121:51:531
1213901992219,2cyclictest664-21dbus-daemon00:05:020
1213901992213,5cyclictest1385789-21cstates21:25:400
1213901992211,6cyclictest0-21swapper/000:20:490
121390299215,11cyclictest1362649-21diskmemload23:36:131
121390299212,9cyclictest1362649-21diskmemload00:13:291
121390299212,9cyclictest1362649-21diskmemload00:13:291
1213902992113,7cyclictest1141-21ntpd22:25:401
1213902992112,8cyclictest1402694-21kthreadcore21:35:441
121390299211,15cyclictest1628870-21taskset00:08:141
121390299211,15cyclictest1554682-21taskset23:18:451
121390299211,15cyclictest1383719-21taskset21:21:291
121390299211,15cyclictest1368703-21runrttasks21:10:541
121390299211,15cyclictest1368703-21runrttasks21:10:541
121390299211,15cyclictest1234408-21seq19:22:171
121390299211,14cyclictest1277740-21taskset20:00:061
121390299211,10cyclictest1457352-21python322:10:481
121390299210,16cyclictest1665627-21taskset00:32:331
121390299210,16cyclictest1517718-21sh22:53:341
121390299210,16cyclictest1517718-21sh22:53:341
121390299210,16cyclictest1349633-21taskset20:55:481
121390299210,16cyclictest1344173-21taskset20:51:191
121390299210,16cyclictest1313587-21taskset20:26:121
121390299210,16cyclictest1252641-21taskset19:37:541
121390299210,16cyclictest1252641-21taskset19:37:541
121390299210,16cyclictest1246664-21taskset19:33:531
121390299210,16cyclictest1228488-21taskset19:19:111
121390299210,12cyclictest1561320-21taskset23:21:281
121390299210,12cyclictest1459469-21taskset22:15:131
121390299210,12cyclictest1356465-21taskset21:03:091
121390299210,12cyclictest1338116-21taskset20:46:151
121390299210,12cyclictest1270765-21taskset19:51:171
121390299210,12cyclictest1258688-21taskset19:42:161
1213901992118,2cyclictest664-21dbus-daemon22:45:010
1213901992118,2cyclictest1438809-21kthreadcore22:00:440
1213901992117,1cyclictest1034-21runrttasks22:32:520
1213901992115,5cyclictest1540344-21cron23:10:000
1157598210,4rtkit-daemon1300-21mta-sts-daemon20:15:311
1213903992018,1cyclictest0-21swapper/222:15:012
1213903992018,1cyclictest0-21swapper/220:00:022
1213903992017,1cyclictest0-21swapper/200:25:002
121390299204,11cyclictest1034-21runrttasks22:30:341
121390299201,14cyclictest1271632-21taskset19:55:051
121390299201,14cyclictest1034-21runrttasks20:11:071
121390299200,15cyclictest1621015-21taskset00:01:521
121390299200,15cyclictest1264677-21taskset19:46:071
121390299200,11cyclictest1524239-21runrttasks22:56:091
121390299200,11cyclictest1284029-21taskset20:05:401
121390199209,6cyclictest0-21swapper/022:10:310
121390199209,5cyclictest1470577-21kthreadcore22:20:450
1213901992017,2cyclictest1451722-21/usr/sbin/munin22:10:010
1213901992016,2cyclictest1-21systemd23:15:020
1213901992014,5cyclictest1578189-21cstates23:35:390
1213901992014,5cyclictest1384130-21runrttasks21:22:430
1213901992011,5cyclictest1401832-21kthreadcore21:35:430
1157598200,4rtkit-daemon1306-21mta-sts-daemon20:59:450
1213903991916,1cyclictest0-21swapper/222:35:012
1213903991916,1cyclictest0-21swapper/220:40:012
121390199190,3cyclictest1629076-21ssh00:08:480
121390199190,18cyclictest241rcuc/019:30:410
1213903991814,2cyclictest0-21swapper/221:55:252
121390199189,7cyclictest0-21swapper/021:35:020
121390199188,5cyclictest0-21swapper/022:45:400
121390199187,6cyclictest0-21swapper/021:58:440
121390199185,5cyclictest0-21swapper/021:50:020
1213901991815,2cyclictest1634905-21pmu-power00:10:440
1213901991815,2cyclictest1634905-21pmu-power00:10:440
3240591170,4phc2sys0-21swapper/321:46:083
14218602170,2sleep20-21swapper/221:49:592
121390399178,4cyclictest0-21swapper/223:35:222
121390399171,8cyclictest0-21swapper/222:20:022
1213903991715,1cyclictest0-21swapper/223:25:022
1213903991714,1cyclictest0-21swapper/222:40:482
1213903991714,1cyclictest0-21swapper/220:35:012
1213903991714,1cyclictest0-21swapper/200:40:012
1213903991714,1cyclictest0-21swapper/200:10:012
1213903991713,2cyclictest0-21swapper/220:20:472
1213903991713,2cyclictest0-21swapper/219:20:452
121390199178,2cyclictest0-21swapper/000:31:200
121390199177,5cyclictest0-21swapper/021:10:450
121390199177,5cyclictest0-21swapper/021:10:450
121390199176,6cyclictest0-21swapper/023:55:430
1213901991714,2cyclictest268-21systemd-journal23:50:030
1213901991714,2cyclictest1531158-21mailstats23:00:480
1213901991714,2cyclictest1-21systemd22:35:450
1213901991714,2cyclictest1-21systemd22:35:450
1213901991713,3cyclictest1249909-21kthreadcore19:35:420
1213901991713,3cyclictest1249909-21kthreadcore19:35:420
121390199170,3cyclictest1428357-21ssh21:51:330
3240591161,5phc2sys0-21swapper/321:50:223
3240591161,4phc2sys0-21swapper/321:10:213
3240591161,4phc2sys0-21swapper/321:10:213
3240591160,5phc2sys0-21swapper/323:26:123
3240591160,4phc2sys0-21swapper/322:26:403
3240591160,2phc2sys0-21swapper/321:37:573
3240591160,1phc2sys0-21swapper/320:28:423
3240591160,1phc2sys0-21swapper/300:02:523
1213903991613,1cyclictest0-21swapper/222:45:442
1213903991613,1cyclictest0-21swapper/221:40:452
1213903991613,1cyclictest0-21swapper/221:35:422
1213903991613,1cyclictest0-21swapper/221:30:442
1213903991613,1cyclictest0-21swapper/200:32:562
121390199169,6cyclictest1307-21mta-sts-daemon23:23:320
121390199168,7cyclictest0-21swapper/022:50:440
121390199168,7cyclictest0-21swapper/022:50:440
121390199168,4cyclictest1567864-21grep23:25:450
121390199167,5cyclictest0-21swapper/000:35:500
1213901991614,1cyclictest1034-21runrttasks00:28:170
1213901991613,2cyclictest1592178-21apt-config23:45:010
1213901991613,2cyclictest1460171-21sh22:15:380
1213901991613,2cyclictest1332384-21latency_hist20:45:010
1213901991613,2cyclictest1307-21mta-sts-daemon20:20:440
1213901991613,2cyclictest1283539-21latency_hist20:05:010
1213901991612,3cyclictest1641725-21kthreadcore00:15:440
1213901991612,3cyclictest1641725-21kthreadcore00:15:440
1213901991612,2cyclictest0-21swapper/020:20:010
121390199161,13cyclictest1344488-21awk20:55:010
1213901991610,5cyclictest1376916-21runrttasks21:18:220
3240591150,5phc2sys0-21swapper/322:16:063
3240591150,2phc2sys0-21swapper/319:54:563
3240591150,1phc2sys0-21swapper/323:13:423
1213903991513,1cyclictest0-21swapper/219:50:022
1213903991513,1cyclictest0-21swapper/200:00:032
1213903991512,1cyclictest0-21swapper/223:31:592
1213903991512,1cyclictest0-21swapper/223:05:022
1213903991512,1cyclictest0-21swapper/222:39:052
1213903991512,1cyclictest0-21swapper/222:39:052
1213903991512,1cyclictest0-21swapper/222:00:462
1213903991512,1cyclictest0-21swapper/221:15:442
1213903991512,1cyclictest0-21swapper/219:15:012
1213903991512,1cyclictest0-21swapper/200:25:362
121390199158,2cyclictest1258924-21awk19:45:000
121390199156,7cyclictest1320638-21cut20:35:280
121390199155,2cyclictest0-21swapper/023:30:450
1213901991512,2cyclictest1307-21mta-sts-daemon20:45:390
1213901991512,2cyclictest1271110-21apt-key19:55:010
1213901991512,2cyclictest1220368-21head19:15:020
1213901991512,2cyclictest1213904-21sh19:10:010
1213901991512,1cyclictest0-21swapper/020:15:020
1213901991511,1cyclictest191rcu_preempt21:01:220
1157598150,11rtkit-daemon171ktimers/019:16:440
3240591140,3phc2sys0-21swapper/319:44:133
3240591140,2phc2sys0-21swapper/322:05:423
3240591140,2phc2sys0-21swapper/321:29:333
3240591140,2phc2sys0-21swapper/320:05:013
16299452140,1sleep20-21swapper/200:10:192
16299452140,1sleep20-21swapper/200:10:192
1213903991412,1cyclictest0-21swapper/223:45:342
1213903991412,1cyclictest0-21swapper/222:20:412
1213903991412,1cyclictest0-21swapper/222:05:422
1213903991412,1cyclictest0-21swapper/221:25:492
1213903991412,1cyclictest0-21swapper/200:05:022
1213903991411,1cyclictest0-21swapper/223:44:012
1213903991411,1cyclictest0-21swapper/222:55:212
1213903991411,1cyclictest0-21swapper/222:51:012
1213903991411,1cyclictest0-21swapper/222:51:012
1213903991411,1cyclictest0-21swapper/221:10:252
1213903991411,1cyclictest0-21swapper/221:10:252
1213903991411,1cyclictest0-21swapper/221:05:442
1213903991411,1cyclictest0-21swapper/221:05:442
1213903991411,1cyclictest0-21swapper/220:50:392
1213903991411,1cyclictest0-21swapper/220:16:512
1213903991411,1cyclictest0-21swapper/220:10:022
1213903991411,1cyclictest0-21swapper/219:30:422
1213903991411,1cyclictest0-21swapper/219:20:012
1213903991410,2cyclictest0-21swapper/219:28:052
1213902991411,2cyclictest672-21polkitd19:10:021
121390199147,2cyclictest0-21swapper/023:50:160
121390199146,4cyclictest0-21swapper/023:15:480
121390199145,8cyclictest1311127-21tr20:25:440
121390199145,5cyclictest0-21swapper/019:29:220
121390199145,4cyclictest1232806-21cut19:20:430
121390199144,4cyclictest1357017-21aten_repower_en21:05:270
121390199144,4cyclictest1357017-21aten_repower_en21:05:270
121390199143,4cyclictest1277151-21sshd19:56:450
1213901991411,2cyclictest664-21dbus-daemon22:28:410
1213901991411,2cyclictest1317620-21kthreadcore20:30:430
1213901991411,2cyclictest1259949-21gltestperf19:45:400
1213901991411,2cyclictest0-21swapper/021:40:400
1213901991410,1cyclictest191rcu_preempt20:06:160
3240591130,3phc2sys0-21swapper/321:21:413
3240591130,2phc2sys0-21swapper/323:46:413
3240591130,2phc2sys0-21swapper/323:20:253
3240591130,2phc2sys0-21swapper/322:50:383
3240591130,2phc2sys0-21swapper/322:50:383
3240591130,2phc2sys0-21swapper/322:34:023
3240591130,2phc2sys0-21swapper/321:55:273
3240591130,2phc2sys0-21swapper/321:17:323
3240591130,1phc2sys0-21swapper/323:00:563
3240591130,1phc2sys0-21swapper/300:13:163
3240591130,1phc2sys0-21swapper/300:13:163
15777252131,6sleep30-21swapper/323:35:223
121390399139,2cyclictest0-21swapper/223:25:202
121390399131,6cyclictest0-21swapper/223:05:202
1213903991311,1cyclictest0-21swapper/223:50:032
1213903991311,1cyclictest0-21swapper/223:10:432
1213903991311,1cyclictest0-21swapper/221:00:432
1213903991311,1cyclictest0-21swapper/220:00:392
1213903991311,1cyclictest0-21swapper/219:55:012
1213903991311,1cyclictest0-21swapper/219:10:022
1213903991311,1cyclictest0-21swapper/200:15:422
1213903991311,1cyclictest0-21swapper/200:15:422
1213903991310,1cyclictest0-21swapper/223:15:432
1213903991310,1cyclictest0-21swapper/221:50:422
1213903991310,1cyclictest0-21swapper/220:55:442
1213903991310,1cyclictest0-21swapper/219:40:452
1213901991310,2cyclictest1519758-21irqcore22:55:420
3240591121,2phc2sys0-21swapper/322:40:203
3240591120,2phc2sys0-21swapper/322:35:393
3240591120,2phc2sys0-21swapper/322:35:393
3240591120,2phc2sys0-21swapper/322:12:533
3240591120,1phc2sys0-21swapper/300:09:573
121390399129,2cyclictest0-21swapper/220:13:542
121390399129,1cyclictest0-21swapper/220:25:432
121390399129,1cyclictest0-21swapper/219:35:022
121390399129,1cyclictest0-21swapper/219:35:022
1213903991210,1cyclictest0-21swapper/222:25:222
121390399120,3cyclictest0-21swapper/220:45:212
3240591111,2phc2sys0-21swapper/323:55:383
3240591111,2phc2sys0-21swapper/319:10:443
3240591110,5phc2sys0-21swapper/300:35:223
3240591110,5phc2sys0-21swapper/300:25:203
3240591110,3phc2sys0-21swapper/319:20:213
3240591110,3phc2sys0-21swapper/300:30:503
3240591110,2phc2sys0-21swapper/321:30:453
3240591110,2phc2sys0-21swapper/320:05:253
3240591110,2phc2sys0-21swapper/319:58:433
3240591110,2phc2sys0-21swapper/319:35:403
3240591110,2phc2sys0-21swapper/319:35:403
3240591110,2phc2sys0-21swapper/319:31:223
3240591110,1phc2sys0-21swapper/319:48:513
121390399118,2cyclictest0-21swapper/220:40:252
3240591107,1phc2sys0-21swapper/323:51:143
3240591104,2phc2sys0-21swapper/300:17:383
3240591104,2phc2sys0-21swapper/300:17:383
3240591102,3phc2sys0-21swapper/320:55:013
3240591101,2phc2sys0-21swapper/319:30:033
3240591100,4phc2sys0-21swapper/321:05:233
3240591100,4phc2sys0-21swapper/321:05:233
3240591100,4phc2sys0-21swapper/319:15:243
3240591100,3phc2sys0-21swapper/323:32:423
3240591100,3phc2sys0-21swapper/321:00:243
3240591100,2phc2sys0-21swapper/323:40:473
3240591100,2phc2sys0-21swapper/322:46:013
3240591100,2phc2sys0-21swapper/322:22:083
3240591100,2phc2sys0-21swapper/320:50:013
3240591100,2phc2sys0-21swapper/320:40:443
3240591100,2phc2sys0-21swapper/300:24:563
3240591100,1phc2sys0-21swapper/320:21:163
324059191,2phc2sys0-21swapper/322:00:043
324059190,3phc2sys0-21swapper/321:40:193
324059190,2phc2sys0-21swapper/323:15:183
324059190,2phc2sys0-21swapper/323:05:413
324059190,2phc2sys0-21swapper/320:55:463
324059190,2phc2sys0-21swapper/320:35:433
324059190,2phc2sys0-21swapper/320:30:183
324059190,2phc2sys0-21swapper/320:15:393
324059190,1phc2sys0-21swapper/320:10:383
324059180,2phc2sys0-21swapper/319:05:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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