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2026-08-10 - 22:55
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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 highest latencies:
System rackeslot2.osadl.org (updated Mon Aug 10, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137990421490,1sleep11379901-21df_inode10:20:271
12881752580,1sleep11288174-21ssh09:17:421
14516342290,1sleep01451638-21sed11:05:390
14516342290,1sleep01451638-21sed11:05:390
12962162280,1sleep1351ktimers/109:23:391
12962162280,1sleep1351ktimers/109:23:391
1125727992421,2cyclictest1171240-21systemd-run07:45:020
1125727992413,6cyclictest0-21swapper/012:00:310
112572799241,11cyclictest1483201-21ssh11:30:010
1125729992320,1cyclictest0-21swapper/211:55:012
1125729992319,2cyclictest0-21swapper/207:20:012
1125729992219,1cyclictest0-21swapper/211:15:012
1125729992213,1cyclictest0-21swapper/209:10:012
1125729992213,1cyclictest0-21swapper/209:10:012
1125727992214,7cyclictest0-21swapper/008:40:010
1125727992211,6cyclictest662-21avahi-daemon09:15:020
1125727992210,5cyclictest0-21swapper/010:35:020
1157598210,5rtkit-daemon1300-21mta-sts-daemon11:11:341
1125729992116,3cyclictest0-21swapper/207:15:022
112572899214,5cyclictest69250irq/121-eno108:05:111
1125728992118,2cyclictest1152569-21systemd07:30:021
1125727992118,2cyclictest688-21in:imuxsock07:20:020
1125727992118,2cyclictest1-21systemd12:15:030
1125729992018,1cyclictest0-21swapper/209:20:032
1125729992017,1cyclictest0-21swapper/210:30:022
1125728992017,2cyclictest1-21systemd10:10:011
1125728992014,2cyclictest69250irq/121-eno112:20:281
112572799203,2cyclictest1564947-21apt-get12:25:100
1125727992017,2cyclictest1248951-21needreboot08:45:340
1125727992017,2cyclictest1132622-21systemd07:15:020
112572799200,15cyclictest1324562-21sed09:40:370
3240591191,2phc2sys0-21swapper/311:23:363
1125729991917,1cyclictest0-21swapper/209:55:012
1125729991916,1cyclictest0-21swapper/209:45:012
1125728991916,2cyclictest1587304-21grep12:40:011
1125728991916,2cyclictest1430984-21wc10:55:031
1125728991916,2cyclictest1322687-21kthreadcore09:40:321
1125728991916,2cyclictest0-21swapper/111:30:021
1125728991916,2cyclictest0-21swapper/110:50:021
1125728991914,1cyclictest1157598rtkit-daemon08:15:031
112572799199,5cyclictest0-21swapper/010:57:330
112572799199,5cyclictest0-21swapper/010:05:370
112572799198,3cyclictest1300-21mta-sts-daemon11:41:220
1125727991916,2cyclictest664-21dbus-daemon11:15:360
1125727991916,2cyclictest1354344-21mailstats10:00:380
1125727991916,2cyclictest1-21systemd09:30:380
1125727991912,6cyclictest1458301-21kthreadcore11:10:320
1125727991912,6cyclictest1392342-21runrttasks10:25:580
3240591180,4phc2sys0-21swapper/311:51:093
3240591180,2phc2sys0-21swapper/309:40:473
112572999181,5cyclictest0-21swapper/210:40:012
1125729991815,1cyclictest0-21swapper/210:25:012
1125728991815,2cyclictest1577910-21grep12:30:401
1125728991815,2cyclictest1416039-21systemd-run10:45:021
1125728991815,2cyclictest1309-21mta-sts-daemon08:30:011
1125728991815,2cyclictest1171077-21gmain07:45:011
1125728991812,5cyclictest1333992-21cron09:50:001
1125728991810,4cyclictest0-21swapper/111:45:021
112572799187,6cyclictest0-21swapper/011:20:120
112572799187,6cyclictest0-21swapper/010:50:180
112572799187,6cyclictest0-21swapper/010:15:320
112572799187,6cyclictest0-21swapper/009:55:110
112572799186,7cyclictest0-21swapper/009:50:110
1125727991815,2cyclictest1580990-21if_err_enp1s012:35:290
1125727991815,2cyclictest1579643-21sh12:35:010
1125727991815,2cyclictest0-21swapper/010:15:010
3240591170,2phc2sys0-21swapper/312:35:583
112572999175,5cyclictest0-21swapper/209:10:102
1125729991715,1cyclictest0-21swapper/207:45:022
1125729991715,1cyclictest0-21swapper/207:25:022
1125729991714,1cyclictest0-21swapper/212:05:022
1125729991714,1cyclictest0-21swapper/210:00:012
1125729991714,1cyclictest0-21swapper/209:37:332
112572899179,5cyclictest1309-21mta-sts-daemon09:29:491
112572899177,4cyclictest0-21swapper/109:35:091
112572899171,7cyclictest0-21swapper/110:55:091
1125728991714,2cyclictest672-21polkitd10:00:011
1125728991714,2cyclictest662-21avahi-daemon11:55:021
1125728991714,2cyclictest1468864-21aten_repower_vo11:20:251
1125728991714,2cyclictest1300-21mta-sts-daemon07:55:291
1125728991714,2cyclictest1-21systemd11:05:011
1125728991714,2cyclictest1177088-21idleruntime-cro07:50:001
1125728991712,2cyclictest1300-21mta-sts-daemon12:01:401
1125728991711,2cyclictest0-21swapper/112:25:101
112572799179,4cyclictest0-21swapper/011:35:380
112572799178,2cyclictest0-21swapper/011:31:420
1125727991714,2cyclictest759-1atopacctd12:15:310
1125727991714,2cyclictest0-21swapper/009:40:000
1125727991713,3cyclictest1371487-21kworker/u16:1+nfsiod10:21:030
1125727991713,3cyclictest11574-21rtkit-daemon10:38:090
3240591160,2phc2sys0-21swapper/312:01:463
3240591160,2phc2sys0-21swapper/311:41:383
112572999161,8cyclictest0-21swapper/208:20:012
1125729991614,1cyclictest0-21swapper/212:20:022
1125729991614,1cyclictest0-21swapper/208:40:022
1125729991613,1cyclictest0-21swapper/212:35:092
1125729991613,1cyclictest0-21swapper/211:55:342
1125729991613,1cyclictest0-21swapper/211:45:022
1125729991613,1cyclictest0-21swapper/211:20:392
1125729991613,1cyclictest0-21swapper/210:10:322
1125729991613,1cyclictest0-21swapper/209:00:012
1125729991612,2cyclictest0-21swapper/212:20:372
1125729991612,2cyclictest0-21swapper/207:30:032
112572899166,3cyclictest0-21swapper/110:10:101
1125728991613,2cyclictest1311563-21/usr/sbin/munin09:35:001
1125728991613,2cyclictest1309-21mta-sts-daemon07:15:351
1125728991613,2cyclictest1274267-21latency_hist09:10:021
1125728991613,2cyclictest1274267-21latency_hist09:10:021
1125728991613,2cyclictest1125725-21cyclictest07:10:021
1125728991613,2cyclictest0-21swapper/112:15:021
1125728991612,3cyclictest1306-21mta-sts-daemon10:27:201
1125728991612,3cyclictest1170867-21kworker/u16:1+nfsiod09:14:091
1125728991612,2cyclictest1231917-21latency_hist08:35:021
1125728991612,2cyclictest0-21swapper/111:10:021
1125728991612,2cyclictest0-21swapper/111:10:021
1125728991611,2cyclictest1309-21mta-sts-daemon08:55:321
1125728991610,2cyclictest1307-21mta-sts-daemon08:50:371
112572799168,5cyclictest1514697-21kthreadcore11:50:310
112572799168,2cyclictest0-21swapper/009:45:350
112572799167,5cyclictest1558218-21cut12:20:290
112572799167,5cyclictest1540438-21grep12:05:370
1125727991613,2cyclictest664-21dbus-daemon12:00:030
1125727991613,2cyclictest1189484-21cut08:00:020
1125727991611,4cyclictest1125725-21cyclictest09:25:320
112572799160,1cyclictest0-21swapper/007:35:100
3240591151,3phc2sys0-21swapper/311:15:093
3240591150,3phc2sys0-21swapper/311:38:253
3240591150,3phc2sys0-21swapper/310:35:013
3240591150,1phc2sys0-21swapper/309:27:033
112572999155,4cyclictest0-21swapper/210:45:112
112572999151,7cyclictest0-21swapper/209:00:112
1125729991513,1cyclictest0-21swapper/210:40:292
1125729991513,1cyclictest0-21swapper/210:05:322
1125729991512,1cyclictest0-21swapper/212:10:322
1125729991512,1cyclictest0-21swapper/211:45:302
1125729991512,1cyclictest0-21swapper/211:00:012
1125729991512,1cyclictest0-21swapper/210:31:592
1125729991512,1cyclictest0-21swapper/210:16:502
1125729991512,1cyclictest0-21swapper/209:30:252
1125729991512,1cyclictest0-21swapper/208:25:272
1125729991512,1cyclictest0-21swapper/207:36:572
1125729991511,2cyclictest0-21swapper/211:19:242
1125729991511,2cyclictest0-21swapper/208:40:372
1125729991510,3cyclictest1445836-21turbostat11:05:002
112572899154,5cyclictest1237134-21switchtime08:35:381
1125728991512,2cyclictest1354396-21switchtime10:00:391
1125728991512,2cyclictest1306-21mta-sts-daemon10:31:111
1125728991512,2cyclictest1300-21mta-sts-daemon12:05:171
1125728991512,2cyclictest1152786-21acpi07:30:081
1125728991511,3cyclictest1520683-21aten_repower_po11:55:211
1125728991510,2cyclictest1306-21mta-sts-daemon09:50:241
112572799158,2cyclictest0-21swapper/011:02:460
112572799158,1cyclictest0-21swapper/009:15:340
112572799151,9cyclictest0-21swapper/009:20:260
112572799151,9cyclictest0-21swapper/009:20:260
1125727991513,1cyclictest1309-21mta-sts-daemon07:50:080
1125727991512,2cyclictest684-21systemd-logind08:30:010
1125727991512,2cyclictest1307-21mta-sts-daemon07:47:060
1125727991512,2cyclictest1271965-21kthreadcore09:05:320
1125727991512,2cyclictest1271965-21kthreadcore09:05:320
1125727991512,2cyclictest1231828-21latency_hist08:35:010
1125727991512,2cyclictest1148048-21kthreadcore07:25:340
1125727991512,2cyclictest0-21swapper/010:50:020
112572799150,10cyclictest1415080-21ssh10:42:290
3240591144,2phc2sys0-21swapper/309:45:323
3240591141,3phc2sys0-21swapper/310:55:093
3240591140,4phc2sys0-21swapper/310:02:163
3240591140,2phc2sys0-21swapper/312:19:393
3240591140,2phc2sys0-21swapper/311:10:083
3240591140,2phc2sys0-21swapper/310:21:193
3240591140,1phc2sys0-21swapper/308:35:463
112572999146,4cyclictest0-21swapper/212:05:102
1125729991412,1cyclictest0-21swapper/212:25:372
1125729991412,1cyclictest0-21swapper/211:35:382
1125729991412,1cyclictest0-21swapper/211:25:282
1125729991412,1cyclictest0-21swapper/211:10:032
1125729991412,1cyclictest0-21swapper/211:10:032
1125729991412,1cyclictest0-21swapper/209:25:332
1125729991412,1cyclictest0-21swapper/207:50:102
1125729991411,1cyclictest0-21swapper/209:20:312
1125729991411,1cyclictest0-21swapper/209:20:312
1125729991411,1cyclictest0-21swapper/208:50:362
1125729991411,1cyclictest0-21swapper/208:05:372
1125729991411,1cyclictest0-21swapper/208:00:282
1125729991410,2cyclictest0-21swapper/212:30:292
1125729991410,2cyclictest0-21swapper/208:20:312
112572899149,2cyclictest1309-21mta-sts-daemon10:35:081
112572899149,2cyclictest1300-21mta-sts-daemon11:30:071
112572899145,4cyclictest1132942-21cat07:15:031
1125728991411,2cyclictest1551040-21if_enp1s0.812:15:271
1125728991411,2cyclictest1492571-21kthreadcore11:35:331
1125728991411,2cyclictest1307-21mta-sts-daemon11:45:201
1125728991411,2cyclictest1307-21mta-sts-daemon10:15:371
1125728991411,2cyclictest1307-21mta-sts-daemon08:20:301
1125728991411,2cyclictest1306-21mta-sts-daemon11:15:131
1125728991411,2cyclictest1306-21mta-sts-daemon07:50:371
1125728991411,2cyclictest1190944-21kthreadcore08:00:341
1125728991411,2cyclictest1163180-21kthreadcore07:35:341
1125728991411,2cyclictest1142608-21kthreadcore07:20:321
1125728991410,3cyclictest1125725-21cyclictest09:00:361
1125727991411,2cyclictest1510201-21kthreadcore11:45:330
1125727991411,2cyclictest1239449-21kernelversion08:40:320
1125727991411,2cyclictest1219636-21cat08:25:010
1125727991411,2cyclictest1209120-21kthreadcore08:15:320
1125727991411,2cyclictest1203085-21kthreadcore08:10:320
1125727991411,2cyclictest1195645-21/usr/sbin/munin08:05:320
1125727991411,2cyclictest1146602-21systemd07:25:030
3240591131,2phc2sys0-21swapper/312:20:113
3240591130,4phc2sys0-21swapper/310:48:533
3240591130,2phc2sys0-21swapper/312:11:293
3240591130,2phc2sys0-21swapper/310:40:533
3240591130,2phc2sys0-21swapper/310:27:403
3240591130,2phc2sys0-21swapper/310:15:133
3240591130,2phc2sys0-21swapper/309:38:263
3240591130,2phc2sys0-21swapper/309:20:073
3240591130,2phc2sys0-21swapper/309:20:073
3240591130,2phc2sys0-21swapper/309:12:253
1125729991311,1cyclictest0-21swapper/211:35:022
1125729991311,1cyclictest0-21swapper/210:50:382
1125729991310,2cyclictest0-21swapper/207:30:352
1125729991310,1cyclictest0-21swapper/210:00:342
1125729991310,1cyclictest0-21swapper/209:45:102
1125728991310,2cyclictest1242938-21phc2sys08:40:361
1125728991310,2cyclictest1205904-21kthreadcore08:10:331
112572799137,5cyclictest1155664-21tr07:30:310
112572799131,7cyclictest0-21swapper/008:00:340
1125727991311,1cyclictest1256289-21/usr/sbin/munin08:55:320
1125727991310,2cyclictest1306-21mta-sts-daemon08:50:290
1125727991310,2cyclictest1266037-21kthreadcore09:00:340
3240591122,4phc2sys0-21swapper/311:25:093
3240591122,2phc2sys0-21swapper/308:00:353
3240591121,2phc2sys0-21swapper/308:05:323
3240591120,5phc2sys0-21swapper/309:50:113
3240591120,2phc2sys0-21swapper/311:09:243
3240591120,2phc2sys0-21swapper/311:09:243
3240591120,2phc2sys0-21swapper/308:16:063
3240591120,1phc2sys0-21swapper/311:03:233
3240591120,1phc2sys0-21swapper/309:19:593
112572999129,1cyclictest0-21swapper/208:30:332
112572999121,6cyclictest0-21swapper/208:10:112
112572999121,5cyclictest0-21swapper/207:10:012
1125729991210,1cyclictest0-21swapper/208:45:312
1125729991210,1cyclictest0-21swapper/207:55:312
1125729991210,1cyclictest0-21swapper/207:48:582
112572899128,3cyclictest1248076-21kthreadcore08:45:331
3240591112,2phc2sys0-21swapper/307:30:263
3240591111,3phc2sys0-21swapper/310:10:243
3240591111,2phc2sys0-21swapper/311:49:133
3240591110,3phc2sys0-21swapper/307:40:323
3240591110,2phc2sys0-21swapper/310:54:413
3240591110,2phc2sys0-21swapper/308:40:103
3240591110,2phc2sys0-21swapper/307:35:113
3240591110,2phc2sys0-21swapper/307:15:033
3240591110,1phc2sys0-21swapper/308:52:413
3240591110,1phc2sys0-21swapper/307:46:253
112572799118,2cyclictest0-21swapper/007:10:020
3240591103,3phc2sys0-21swapper/308:25:013
3240591103,2phc2sys0-21swapper/307:20:313
3240591102,2phc2sys0-21swapper/307:05:383
3240591101,2phc2sys0-21swapper/312:25:043
3240591101,2phc2sys0-21swapper/311:34:413
3240591101,2phc2sys0-21swapper/308:25:363
3240591101,2phc2sys0-21swapper/307:25:333
3240591100,6phc2sys1180598-21chrt07:50:323
3240591100,2phc2sys0-21swapper/312:32:573
3240591100,2phc2sys0-21swapper/312:06:443
3240591100,2phc2sys0-21swapper/310:35:493
3240591100,2phc2sys0-21swapper/310:08:443
3240591100,2phc2sys0-21swapper/308:10:333
3240591100,2phc2sys0-21swapper/307:58:423
3240591100,2phc2sys0-21swapper/307:15:393
3240591100,1phc2sys0-21swapper/308:31:013
13484152100,2sleep30-21swapper/309:58:583
324059190,3phc2sys0-21swapper/309:05:323
324059190,3phc2sys0-21swapper/309:05:323
324059190,2phc2sys0-21swapper/311:55:223
324059190,2phc2sys0-21swapper/309:30:293
324059190,2phc2sys0-21swapper/309:00:353
324059181,2phc2sys0-21swapper/308:55:093
324059180,2phc2sys0-21swapper/308:45:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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