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2026-09-11 - 09:59
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Fri Sep 11, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168509621770,3sleep30-21swapper/323:59:303
153989721010,2sleep11537989-21kthreadcore22:34:371
153989721010,2sleep11537989-21kthreadcore22:34:371
16751572310,2sleep20-21swapper/223:52:512
12989532290,2sleep0241rcuc/020:04:360
2447398260,4rtkit-daemon1223334-21cyclictest00:34:470
1223336992611,11cyclictest1618519-21kthreadcore23:19:350
1223336992411,12cyclictest1223334-21cyclictest21:13:430
1223336992411,12cyclictest1223334-21cyclictest21:13:430
122333699238,5cyclictest1684869-21aten_repower_po23:59:230
122333699235,5cyclictest0-21swapper/000:15:350
1223336992314,3cyclictest24813-21gsd-housekeepin19:31:310
1223336992313,9cyclictest1479315-21tail21:59:420
1223336992311,3cyclictest1223334-21cyclictest20:29:340
122333699230,15cyclictest1253430-21basename19:30:010
122333699229,7cyclictest0-21swapper/023:09:120
1223336992212,6cyclictest1642067-21kthreadcore23:34:350
1223336992211,2cyclictest1550206-21cron22:40:010
1223336992211,10cyclictest1360065-21kthreadcore20:49:360
1223336992210,2cyclictest1347744-21kthreadcore20:39:350
1223336992210,10cyclictest24615-21JS14:54:060
122333699220,2cyclictest1236937-21kthreadcore19:19:350
122333699219,3cyclictest1355982-21kthreadcore20:44:360
122333699219,2cyclictest1264725-21kthreadcore19:39:350
122333699213,7cyclictest1522646-21kthreadcore22:24:370
1223336992112,8cyclictest1281216-21systemd-run19:50:020
1223336992112,5cyclictest1413280-21kthreadcore21:24:340
1223336992111,9cyclictest1587799-21aten_repower_en23:04:170
1223336992111,9cyclictest1391398-21diskmemload22:04:300
1223336992111,9cyclictest1271468-21kthreadcore19:44:340
1223336992110,2cyclictest1283044-21kthreadcore19:54:330
1223338992014,2cyclictest0-21swapper/221:05:092
1223338992014,2cyclictest0-21swapper/221:05:092
1223337992010,4cyclictest0-21swapper/100:14:111
122333699209,3cyclictest1310357-21irqcore20:14:340
122333699209,2cyclictest1584984-21sh22:59:400
122333699209,2cyclictest1565125-21kthreadcore22:49:390
122333699209,2cyclictest1338019-21irqcore20:34:330
122333699209,2cyclictest1320820-21kthreadcore20:19:350
122333699209,2cyclictest1223334-21cyclictest23:24:360
122333699208,5cyclictest1510601-21kthreadcore22:19:340
122333699206,6cyclictest24616-21JS14:54:060
122333699205,14cyclictest0-21swapper/023:14:100
122333699204,9cyclictest0-21swapper/021:54:110
122333699204,1cyclictest0-21swapper/000:05:190
122333699203,5cyclictest1550430-21kworker/u16:1+events_unbound00:14:120
122333699201,7cyclictest1364483-21/usr/sbin/munin20:54:290
122333699201,6cyclictest0-21swapper/023:50:120
122333699201,5cyclictest0-21swapper/022:44:350
1223336992012,7cyclictest1631972-21aten_repower_fr23:29:220
1223336992012,7cyclictest0-21swapper/000:04:120
1223336992012,4cyclictest1738916-21kernelversion00:29:330
1223336992011,4cyclictest1541701-21latency_hist22:35:030
1223336992011,4cyclictest1541701-21latency_hist22:35:030
1223336992010,2cyclictest1504390-21kthreadcore22:14:350
1223336992010,2cyclictest1229910-21timerandwakeup19:14:400
1223336992010,2cyclictest1229910-21timerandwakeup19:14:400
122333699200,7cyclictest1420565-21expr21:29:300
2213291191,5phc2sys0-21swapper/323:39:113
2213291191,2phc2sys0-21swapper/320:29:343
2213291190,2phc2sys0-21swapper/323:43:483
1223338991916,1cyclictest0-21swapper/219:54:112
1223338991911,4cyclictest0-21swapper/222:09:122
1223337991913,2cyclictest82050irq/121-eno122:24:371
1223337991912,3cyclictest1631459-21sshd23:28:241
122333699199,2cyclictest1291656-21kthreadcore19:59:370
122333699198,2cyclictest1663043-21kthreadcore23:44:350
122333699198,2cyclictest1374418-21kthreadcore20:59:350
122333699198,2cyclictest1303490-21irqcore20:09:330
122333699198,2cyclictest0-21swapper/000:40:020
122333699196,4cyclictest1435973-21ssh21:35:240
122333699191,6cyclictest1428484-21rm21:33:260
122333699191,6cyclictest0-21swapper/023:47:290
122333699191,6cyclictest0-21swapper/022:08:440
122333699191,6cyclictest0-21swapper/000:24:080
1223336991911,6cyclictest778-21dbus-daemon20:25:020
1223336991910,5cyclictest1575325-21kthreadcore22:54:370
2213291180,2phc2sys0-21swapper/322:31:063
2213291180,2phc2sys0-21swapper/322:31:063
2213291180,2phc2sys0-21swapper/322:16:323
2213291180,1phc2sys0-21swapper/322:12:193
1223338991815,1cyclictest0-21swapper/220:40:012
1223338991815,1cyclictest0-21swapper/200:18:092
1223337991814,3cyclictest24616-21JS14:54:061
1223337991813,4cyclictest24615-21JS14:54:061
1223337991810,3cyclictest1584711-21open_files22:59:381
122333699182,2cyclictest0-21swapper/021:15:090
122333699181,5cyclictest0-21swapper/023:38:370
1223336991813,4cyclictest24472-21rtkit-daemon21:41:480
1223336991810,2cyclictest24610-21gmain22:25:210
2213291171,3phc2sys0-21swapper/323:30:163
2213291170,2phc2sys0-21swapper/321:36:393
2213291170,2phc2sys0-21swapper/321:28:223
2213291170,2phc2sys0-21swapper/300:37:383
2213291170,2phc2sys0-21swapper/300:17:433
12532932170,2sleep30-21swapper/319:29:403
1223338991714,1cyclictest0-21swapper/222:40:292
1223338991714,1cyclictest0-21swapper/220:55:022
122333799175,6cyclictest1752243-21cut00:34:371
122333799175,5cyclictest0-21swapper/123:39:401
122333799173,3cyclictest491rcuog/223:49:131
1223337991714,2cyclictest1764466-21grep00:40:011
1223337991714,2cyclictest1453045-21unix_chkpwd21:45:001
1223337991714,2cyclictest1254484-21cpuspeed_turbos19:34:291
1223337991713,3cyclictest778-21dbus-daemon19:10:021
1223337991711,4cyclictest1405960-21tr21:19:381
122333699179,7cyclictest1418411-21kworker/u16:2-events_unbound21:45:310
122333699174,5cyclictest1389010-21cut21:09:340
122333699174,5cyclictest1389010-21cut21:09:340
2213291160,3phc2sys0-21swapper/321:10:033
2213291160,3phc2sys0-21swapper/321:10:033
2213291160,3phc2sys0-21swapper/319:09:133
2213291160,2phc2sys0-21swapper/323:00:033
2213291160,2phc2sys0-21swapper/322:43:143
2213291160,2phc2sys0-21swapper/321:31:263
2213291160,2phc2sys0-21swapper/319:39:323
2213291160,2phc2sys0-21swapper/300:07:203
122333899169,4cyclictest0-21swapper/223:44:112
122333899162,6cyclictest0-21swapper/222:34:132
122333899162,6cyclictest0-21swapper/222:34:132
1223338991613,1cyclictest0-21swapper/221:53:012
1223338991613,1cyclictest0-21swapper/221:35:002
1223338991613,1cyclictest0-21swapper/220:59:322
122333799169,2cyclictest501rcuop/220:35:011
122333799167,3cyclictest501rcuop/221:49:371
122333799166,4cyclictest1603196-21kworker/1:2+events_freezable23:34:121
122333799165,6cyclictest0-21swapper/120:05:031
122333799161,4cyclictest61901-21gmain00:09:141
1223337991613,2cyclictest1464539-21cpuspeed_turbos21:54:281
1223337991613,2cyclictest1188-21runrttasks21:25:481
1223337991612,3cyclictest1661038-21sh23:44:341
2213291150,3phc2sys0-21swapper/319:19:113
2213291150,2phc2sys0-21swapper/323:52:333
2213291150,2phc2sys0-21swapper/322:20:403
2213291150,2phc2sys0-21swapper/321:04:353
122333899154,4cyclictest0-21swapper/219:14:122
122333899154,4cyclictest0-21swapper/219:14:122
122333899151,9cyclictest0-21swapper/222:49:162
122333899151,8cyclictest15789472sleep222:59:122
122333899151,6cyclictest0-21swapper/222:39:122
122333899151,6cyclictest0-21swapper/221:49:132
122333899151,5cyclictest0-21swapper/200:09:142
122333899151,4cyclictest0-21swapper/223:09:122
1223338991512,1cyclictest0-21swapper/223:14:322
1223338991512,1cyclictest0-21swapper/222:04:352
1223338991512,1cyclictest0-21swapper/221:59:352
1223338991512,1cyclictest0-21swapper/221:26:282
1223338991512,1cyclictest0-21swapper/220:43:092
1223338991512,1cyclictest0-21swapper/220:35:012
1223338991512,1cyclictest0-21swapper/219:17:222
1223338991512,1cyclictest0-21swapper/200:29:012
1223338991512,1cyclictest0-21swapper/200:24:342
1223338991511,2cyclictest0-21swapper/223:29:392
122333799158,3cyclictest501rcuop/220:29:281
1223337991513,1cyclictest0-21swapper/119:54:111
1223337991512,2cyclictest932-1atopacctd23:15:191
1223337991512,2cyclictest778-21dbus-daemon19:50:011
1223337991512,2cyclictest24616-21JS14:54:061
1223337991512,2cyclictest1550495-21ssh22:40:031
1223337991512,2cyclictest1473452-21cpuspeed_turbos21:59:301
1223337991512,2cyclictest1400183-21systemd-run21:15:011
1223337991512,2cyclictest1400183-21systemd-run21:15:011
1223337991512,2cyclictest1267621-21sshd-session19:40:291
1223337991512,2cyclictest1246511-21fwupdmgr19:25:011
1223337991511,3cyclictest1694376-21gltestperf00:04:311
1223337991511,3cyclictest1315071-21ptp4l20:14:401
1223337991511,3cyclictest1288694-21aten_repower_en19:59:171
1223337991511,2cyclictest1-21systemd19:15:021
1223337991511,2cyclictest1-21systemd19:15:021
2213291144,2phc2sys0-21swapper/320:39:363
2213291140,4phc2sys0-21swapper/319:24:113
2213291140,4phc2sys0-21swapper/300:01:383
2213291140,3phc2sys0-21swapper/323:49:133
2213291140,2phc2sys0-21swapper/300:26:293
2213291140,1phc2sys0-21swapper/320:46:213
122333899148,2cyclictest0-21swapper/223:19:122
1223338991411,1cyclictest0-21swapper/223:59:382
1223338991411,1cyclictest0-21swapper/223:33:252
1223338991411,1cyclictest0-21swapper/222:29:342
1223338991411,1cyclictest0-21swapper/222:20:032
1223338991411,1cyclictest0-21swapper/222:13:402
1223338991411,1cyclictest0-21swapper/221:44:352
1223338991411,1cyclictest0-21swapper/221:14:372
1223338991411,1cyclictest0-21swapper/221:14:372
1223338991411,1cyclictest0-21swapper/221:04:342
1223338991411,1cyclictest0-21swapper/220:49:392
1223338991411,1cyclictest0-21swapper/220:29:362
1223338991411,1cyclictest0-21swapper/220:24:352
1223338991411,1cyclictest0-21swapper/220:19:292
1223338991411,1cyclictest0-21swapper/220:14:362
1223338991411,1cyclictest0-21swapper/220:09:112
1223338991411,1cyclictest0-21swapper/220:05:012
1223338991411,1cyclictest0-21swapper/219:49:362
1223338991411,1cyclictest0-21swapper/219:44:252
1223338991411,1cyclictest0-21swapper/219:39:342
1223338991411,1cyclictest0-21swapper/219:29:282
1223338991411,1cyclictest0-21swapper/200:39:362
1223338991411,1cyclictest0-21swapper/200:34:382
1223338991410,2cyclictest0-21swapper/223:24:352
1223338991410,2cyclictest0-21swapper/222:54:312
122333799149,1cyclictest501rcuop/220:54:121
122333799145,1cyclictest191rcu_preempt23:57:071
122333799142,5cyclictest0-21swapper/123:51:321
1223337991411,2cyclictest24617-21JS14:54:061
1223337991411,2cyclictest1629608-21wc23:25:001
1223337991411,2cyclictest1555873-21kthreadcore22:44:371
1223337991411,2cyclictest1506141-21systemd-run22:15:011
1223337991411,2cyclictest1434801-21ptp4l21:34:401
1223337991411,2cyclictest1262093-21irqcore19:39:331
1223337991411,2cyclictest1223334-21cyclictest22:54:361
1223337991410,3cyclictest24617-21JS14:54:061
1223337991410,3cyclictest1490777-21aten_repower_fr22:09:191
1223337991410,3cyclictest1441252-21kthreadcore21:39:371
1223337991410,3cyclictest1414382-21kthreadcore21:24:351
1223337991410,3cyclictest1350863-21aten_repower_po20:44:221
1223337991410,3cyclictest1238369-21kthreadcore19:19:351
122333799140,4cyclictest0-21swapper/122:01:041
2213291130,5phc2sys0-21swapper/300:34:243
2213291130,4phc2sys0-21swapper/322:53:393
2213291130,3phc2sys0-21swapper/320:19:123
2213291130,2phc2sys0-21swapper/323:20:593
2213291130,2phc2sys0-21swapper/323:18:093
2213291130,2phc2sys0-21swapper/323:14:103
122333899139,2cyclictest0-21swapper/221:24:312
1223338991311,1cyclictest0-21swapper/221:39:332
1223338991311,1cyclictest0-21swapper/200:00:042
1223338991310,1cyclictest0-21swapper/223:47:202
1223338991310,1cyclictest0-21swapper/223:36:482
1223338991310,1cyclictest0-21swapper/223:04:352
1223338991310,1cyclictest0-21swapper/221:19:342
1223338991310,1cyclictest0-21swapper/219:59:352
1223338991310,1cyclictest0-21swapper/219:31:242
1223338991310,1cyclictest0-21swapper/219:24:322
122333899130,7cyclictest0-21swapper/222:21:412
122333799139,3cyclictest1377986-21dconf14:54:061
122333799139,3cyclictest1377103-21ptp4l20:59:381
122333799138,4cyclictest82050irq/121-eno123:10:271
122333799137,4cyclictest82050irq/121-eno122:49:301
122333799134,3cyclictest501rcuop/223:03:341
122333799134,3cyclictest501rcuop/222:15:191
122333799134,3cyclictest501rcuop/200:25:431
122333799131,7cyclictest1252709-21missed_timers19:29:361
1223337991311,1cyclictest24615-21JS14:54:061
1223337991311,1cyclictest1230290-21munin-node00:22:311
1223337991310,2cyclictest24615-21JS14:54:061
2213291120,3phc2sys0-21swapper/322:40:023
2213291120,2phc2sys0-21swapper/322:03:333
2213291120,2phc2sys0-21swapper/321:54:523
2213291120,2phc2sys0-21swapper/300:22:323
1223338991210,1cyclictest0-21swapper/200:15:032
122333799128,3cyclictest1318772-21kthreadcore20:19:341
2213291112,2phc2sys0-21swapper/322:48:403
2213291112,2phc2sys0-21swapper/321:25:013
2213291111,5phc2sys0-21swapper/320:34:133
2213291111,3phc2sys0-21swapper/319:44:113
2213291111,2phc2sys0-21swapper/319:54:113
2213291111,2phc2sys0-21swapper/300:15:033
2213291110,4phc2sys0-21swapper/320:09:133
2213291110,2phc2sys0-21swapper/321:19:163
2213291110,1phc2sys0-21swapper/320:01:293
122333799116,3cyclictest0-21swapper/121:09:321
122333799116,3cyclictest0-21swapper/121:09:321
122333699111,8cyclictest1223298-21munin-run19:10:010
2213291102,4phc2sys0-21swapper/319:59:133
2213291102,2phc2sys0-21swapper/321:12:153
2213291102,2phc2sys0-21swapper/321:12:153
2213291101,2phc2sys0-21swapper/323:05:563
2213291100,3phc2sys0-21swapper/319:49:123
2213291100,2phc2sys0-21swapper/322:29:113
2213291100,2phc2sys0-21swapper/321:47:183
2213291100,2phc2sys0-21swapper/321:42:413
2213291100,2phc2sys0-21swapper/320:25:013
2213291100,2phc2sys0-21swapper/319:11:413
2213291100,2phc2sys0-21swapper/319:11:413
221329191,3phc2sys0-21swapper/320:15:013
221329191,2phc2sys0-21swapper/323:00:233
221329190,3phc2sys0-21swapper/321:00:033
221329190,2phc2sys0-21swapper/323:26:403
221329190,2phc2sys0-21swapper/322:05:343
221329190,2phc2sys0-21swapper/321:55:283
221329190,2phc2sys0-21swapper/320:54:563
221329190,2phc2sys0-21swapper/320:44:373
221329190,2phc2sys0-21swapper/319:30:063
12233389997,1cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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