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2026-08-08 - 15:03
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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 rack1slot1.osadl.org (updated Sat Aug 08, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1774622410,4sleep30-21swapper/307:05:173
185092212157,44sleep20-21swapper/207:09:342
183082198159,26sleep00-21swapper/007:06:560
182422197157,26sleep10-21swapper/107:06:041
10452960,1sleep21863599cyclictest08:45:182
49572750,0sleep10-21swapper/110:30:141
298762640,0sleep10-21swapper/112:35:221
302382130,0sleep330240-21fschecks_count10:20:153
18640991312,1cyclictest35-21ksoftirqd/310:15:003
18635991313,0cyclictest28-21ksoftirqd/209:47:422
18635991313,0cyclictest28-21ksoftirqd/209:47:422
18635991312,1cyclictest28-21ksoftirqd/209:12:322
18627991313,0cyclictest0-21swapper/110:27:271
18635991211,1cyclictest28-21ksoftirqd/211:45:152
18635991211,1cyclictest28-21ksoftirqd/208:00:212
18635991210,1cyclictest28-21ksoftirqd/209:20:182
1863599119,1cyclictest28-21ksoftirqd/210:25:172
18635991110,1cyclictest28-21ksoftirqd/212:08:302
18635991110,1cyclictest28-21ksoftirqd/211:08:512
18635991110,1cyclictest28-21ksoftirqd/209:50:062
18635991110,0cyclictest28-21ksoftirqd/210:45:182
1861999118,1cyclictest240-21systemd-journal12:29:590
18619991111,0cyclictest9-21ksoftirqd/012:40:010
18619991110,1cyclictest9-21ksoftirqd/009:25:000
1861999111,5cyclictest4217-21perf10:30:000
38052100,0sleep20-21swapper/209:42:412
1864099109,1cyclictest35-21ksoftirqd/307:50:003
1863599109,1cyclictest28-21ksoftirqd/212:00:192
1863599109,1cyclictest28-21ksoftirqd/211:55:152
1863599109,1cyclictest28-21ksoftirqd/211:31:232
1863599109,1cyclictest28-21ksoftirqd/211:10:122
1863599108,1cyclictest28-21ksoftirqd/212:30:212
1863599108,1cyclictest28-21ksoftirqd/210:15:202
18635991010,0cyclictest28-21ksoftirqd/209:33:392
1863599100,5cyclictest0-21swapper/208:50:112
1861999109,1cyclictest9-21ksoftirqd/012:10:110
1861999109,1cyclictest9-21ksoftirqd/010:33:580
1861999109,1cyclictest9-21ksoftirqd/010:20:000
1861999109,1cyclictest9-21ksoftirqd/010:05:000
1861999109,1cyclictest9-21ksoftirqd/007:15:010
1861999108,1cyclictest9-21ksoftirqd/011:55:010
1861999108,1cyclictest9-21ksoftirqd/010:10:130
1861999102,4cyclictest455-21ls10:25:000
186409996,2cyclictest11301-21snmpd09:59:113
186409994,2cyclictest24944-21idleruntime-cro11:45:003
186359999,0cyclictest28-21ksoftirqd/209:55:182
186359998,1cyclictest28-21ksoftirqd/212:35:152
186359998,1cyclictest28-21ksoftirqd/212:25:162
186359998,1cyclictest28-21ksoftirqd/212:24:092
186359998,1cyclictest28-21ksoftirqd/212:15:222
186359998,1cyclictest28-21ksoftirqd/212:10:182
186359998,1cyclictest28-21ksoftirqd/211:42:382
186359998,1cyclictest28-21ksoftirqd/211:35:182
186359998,1cyclictest28-21ksoftirqd/211:15:132
186359998,1cyclictest28-21ksoftirqd/210:53:252
186359998,1cyclictest28-21ksoftirqd/210:05:212
186359998,1cyclictest28-21ksoftirqd/209:18:422
186359997,1cyclictest28-21ksoftirqd/210:35:142
186359997,1cyclictest28-21ksoftirqd/210:30:142
186359991,7cyclictest0-21swapper/210:00:152
186199999,0cyclictest9-21ksoftirqd/009:25:180
186199995,3cyclictest18617-21cyclictest11:46:060
186199994,4cyclictest0-21swapper/010:05:240
186199994,1cyclictest0-21swapper/009:40:180
186199992,3cyclictest17718-21perf11:35:000
186199991,7cyclictest22725-21grep10:55:170
186409986,1cyclictest11301-21snmpd12:11:033
186409986,1cyclictest11301-21snmpd11:49:363
186409986,1cyclictest11301-21snmpd11:23:113
186409986,1cyclictest11301-21snmpd09:46:553
186409986,1cyclictest11301-21snmpd09:46:553
186409986,1cyclictest11301-21snmpd09:44:493
186409986,1cyclictest11301-21snmpd09:07:393
186409986,1cyclictest11301-21snmpd08:53:083
186409982,5cyclictest561-21nscd10:55:513
186409982,1cyclictest240-21systemd-journal11:55:013
186409981,4cyclictest29788-21apt-get08:40:113
186359988,0cyclictest28-21ksoftirqd/209:35:142
186359988,0cyclictest28-21ksoftirqd/209:25:432
186359987,1cyclictest28-21ksoftirqd/211:00:212
186359987,1cyclictest28-21ksoftirqd/210:56:082
186359987,1cyclictest28-21ksoftirqd/209:05:012
186359987,1cyclictest28-21ksoftirqd/207:20:122
186359986,1cyclictest28-21ksoftirqd/210:11:422
186359986,1cyclictest28-21ksoftirqd/207:50:132
186359986,1cyclictest28-21ksoftirqd/207:45:132
186359986,1cyclictest11301-21snmpd11:52:092
186359986,1cyclictest11301-21snmpd07:29:302
186279981,6cyclictest0-21swapper/108:12:131
186199988,0cyclictest9-21ksoftirqd/011:10:120
186199988,0cyclictest9-21ksoftirqd/009:15:210
186199988,0cyclictest9-21ksoftirqd/007:15:140
186199987,1cyclictest9-21ksoftirqd/012:20:150
186199987,1cyclictest9-21ksoftirqd/011:00:130
186199987,1cyclictest9-21ksoftirqd/010:50:000
186199987,1cyclictest9-21ksoftirqd/008:45:000
186199987,1cyclictest9-21ksoftirqd/008:00:140
186199987,1cyclictest9-21ksoftirqd/007:35:140
186199987,1cyclictest14823-21ssh09:14:400
186199986,1cyclictest9-21ksoftirqd/008:30:000
186199985,2cyclictest27338-21ssh12:32:490
186199984,1cyclictest1464-21/usr/sbin/munin07:40:180
186199983,5cyclictest9049-21ssh09:50:140
186199983,1cyclictest15615-21/usr/sbin/munin08:10:180
186199980,7cyclictest29926-21ls09:35:000
186199980,7cyclictest17006-21ssh12:18:290
32026270,0sleep10-21swapper/111:09:121
186409976,1cyclictest24778-21ssh12:30:093
186409976,1cyclictest11301-21snmpd12:03:243
186409976,1cyclictest11301-21snmpd08:21:433
186409976,1cyclictest11301-21snmpd08:00:403
186409975,1cyclictest24190-21ssh12:28:573
186409975,1cyclictest21539-21ssh10:54:213
186409975,1cyclictest19615-21ssh12:20:293
186409975,1cyclictest11301-21snmpd10:25:453
186409975,1cyclictest11301-21snmpd10:02:293
186409975,1cyclictest11301-21snmpd09:50:103
186409975,1cyclictest11301-21snmpd07:19:383
186409972,5cyclictest11301-21snmpd08:57:503
186409971,3cyclictest0-21swapper/311:27:283
186409970,6cyclictest11492-21diskmemload10:48:443
186409970,4cyclictest0-21swapper/312:17:413
186409970,4cyclictest0-21swapper/309:38:593
186409970,3cyclictest11301-21snmpd09:24:243
186409970,3cyclictest0-21swapper/309:30:403
186409970,2cyclictest0-21swapper/309:14:213
186359977,0cyclictest28-21ksoftirqd/211:20:172
186359977,0cyclictest28-21ksoftirqd/208:15:152
186359976,1cyclictest61650irq/122-eno111:25:212
186359976,1cyclictest61650irq/122-eno107:35:152
186359976,1cyclictest28-21ksoftirqd/210:45:002
186359976,1cyclictest28-21ksoftirqd/208:25:132
186359976,1cyclictest20990-21kworker/2:208:30:122
186359975,1cyclictest28-21ksoftirqd/208:20:122
186359972,4cyclictest27416-21apt-get08:35:122
186359970,5cyclictest0-21swapper/208:08:162
186359970,3cyclictest0-21swapper/208:10:132
186279971,3cyclictest0-21swapper/109:24:441
186279970,6cyclictest0-21swapper/108:31:381
186279970,4cyclictest0-21swapper/112:09:531
186279970,4cyclictest0-21swapper/111:36:511
186279970,2cyclictest0-21swapper/111:40:111
186279970,1cyclictest0-21swapper/112:31:041
186279970,1cyclictest0-21swapper/109:58:081
186199977,0cyclictest9-21ksoftirqd/011:05:210
186199976,1cyclictest9-21ksoftirqd/010:35:140
186199976,1cyclictest9-21ksoftirqd/008:30:140
186199976,1cyclictest9-21ksoftirqd/007:30:000
186199976,1cyclictest6818-1kworker/u9:111:20:040
186199976,1cyclictest30153-21ssh09:35:020
186199976,1cyclictest11301-21snmpd08:53:380
186199975,1cyclictest12164-21chrt09:55:130
186199974,0cyclictest0-21swapper/008:20:190
186199971,5cyclictest7563-21df12:05:150
186199970,7cyclictest2538-21ssh11:57:470
186199970,7cyclictest0-21swapper/008:15:230
186199970,6cyclictest3719-21taskset11:15:140
186199970,1cyclictest8184-21ssh09:49:500
186199970,1cyclictest8184-21ssh09:49:500
186199970,1cyclictest8167-21ntp_states09:00:190
186199970,1cyclictest12520-21ssh10:40:160
186199970,1cyclictest11492-21diskmemload11:35:040
186199970,1cyclictest11492-21diskmemload10:50:190
186199970,1cyclictest0-21swapper/011:40:060
186409966,0cyclictest0-21swapper/311:33:423
186409965,1cyclictest3604-21ssh11:15:023
186409965,1cyclictest28429-21ssh10:17:043
186409965,1cyclictest25505-21ssh11:00:013
186409965,1cyclictest17248-21ssh09:16:033
186409965,1cyclictest11301-21snmpd12:38:163
186409965,1cyclictest11301-21snmpd08:17:163
186409965,1cyclictest11301-21snmpd07:30:453
186409965,1cyclictest10128-21sshd10:36:393
186409964,1cyclictest11301-21snmpd08:11:193
186409964,1cyclictest11301-21snmpd07:35:093
186409963,1cyclictest240-21systemd-journal08:25:003
186409962,1cyclictest32576-21apt-get11:10:123
186409961,1cyclictest26468-21python08:30:203
186409961,1cyclictest0-21swapper/310:33:493
186409960,3cyclictest0-21swapper/311:05:313
186409960,2cyclictest23654-21fschecks_time09:25:123
186409960,2cyclictest0-21swapper/311:35:043
186409960,1cyclictest240-21systemd-journal07:29:543
186409960,1cyclictest0-21swapper/311:57:043
186359966,0cyclictest61650irq/122-eno108:40:392
186359966,0cyclictest61650irq/122-eno107:14:212
186359966,0cyclictest28-21ksoftirqd/210:20:052
186359966,0cyclictest28-21ksoftirqd/209:05:212
186359965,1cyclictest31159-21sshd07:33:362
186359964,1cyclictest28-21ksoftirqd/208:55:152
186359961,1cyclictest20969-21apt-get07:15:012
186279961,2cyclictest0-21swapper/110:06:171
186279961,2cyclictest0-21swapper/109:15:001
186279961,1cyclictest0-21swapper/111:55:011
186279961,1cyclictest0-21swapper/110:55:241
186279960,6cyclictest0-21swapper/112:14:301
186279960,6cyclictest0-21swapper/111:22:051
186279960,6cyclictest0-21swapper/111:16:251
186279960,6cyclictest0-21swapper/111:04:161
186279960,6cyclictest0-21swapper/110:51:481
186279960,6cyclictest0-21swapper/110:36:511
186279960,6cyclictest0-21swapper/108:52:171
186279960,6cyclictest0-21swapper/108:01:501
186279960,6cyclictest0-21swapper/107:40:331
186279960,6cyclictest0-21swapper/107:11:171
186279960,4cyclictest0-21swapper/110:15:571
186279960,4cyclictest0-21swapper/109:35:201
186279960,4cyclictest0-21swapper/109:34:441
186279960,3cyclictest0-21swapper/108:30:001
186279960,1cyclictest0-21swapper/111:49:421
186279960,1cyclictest0-21swapper/109:08:421
186279960,1cyclictest0-21swapper/107:20:171
186199965,1cyclictest9438-21irqstats07:55:160
186199965,1cyclictest9-21ksoftirqd/007:50:130
186199965,1cyclictest3922-21telnet07:45:130
186199964,1cyclictest4631-21/usr/sbin/munin08:55:150
186199962,2cyclictest240-21systemd-journal08:39:550
186199962,1cyclictest3536-21/usr/sbin/munin12:00:180
186199961,3cyclictest11492-21diskmemload11:25:550
186199960,6cyclictest0-21swapper/009:09:480
186199960,6cyclictest0-21swapper/008:08:200
186199960,6cyclictest0-21swapper/007:20:140
186199960,0cyclictest0-21swapper/008:41:570
186199960,0cyclictest0-21swapper/007:31:130
186409954,1cyclictest13698-21ssh10:41:443
186409954,1cyclictest1270-21systemctl08:45:203
186409954,1cyclictest11301-21snmpd07:22:403
186409951,1cyclictest20476-21mailstats10:05:203
186409950,2cyclictest20774-21taskset07:12:543
186409950,2cyclictest0-21swapper/312:05:133
186409950,2cyclictest0-21swapper/308:35:113
186409950,1cyclictest0-21swapper/307:55:123
186359955,0cyclictest61650irq/122-eno107:55:072
186359950,2cyclictest0-21swapper/207:40:132
186279955,0cyclictest0-21swapper/110:11:051
186279955,0cyclictest0-21swapper/109:40:251
186279953,1cyclictest0-21swapper/109:15:161
186279951,2cyclictest0-21swapper/112:20:141
186279950,5cyclictest0-21swapper/108:17:251
186279950,5cyclictest0-21swapper/107:28:151
186279950,4cyclictest0-21swapper/112:15:141
186279950,4cyclictest0-21swapper/107:17:591
186279950,3cyclictest0-21swapper/111:31:521
186279950,3cyclictest0-21swapper/111:10:071
186279950,3cyclictest0-21swapper/110:46:461
186279950,3cyclictest0-21swapper/110:41:541
186279950,3cyclictest0-21swapper/109:45:011
186279950,3cyclictest0-21swapper/109:45:011
186279950,3cyclictest0-21swapper/107:45:121
186279950,2cyclictest0-21swapper/110:00:111
186279950,1cyclictest0-21swapper/111:25:121
186279950,1cyclictest0-21swapper/109:25:101
186279950,1cyclictest0-21swapper/107:50:111
186279950,0cyclictest0-21swapper/112:04:221
186279950,0cyclictest0-21swapper/108:45:151
186409944,0cyclictest2875-21sensors07:40:213
186409942,1cyclictest6179-21apt-get07:50:113
186409942,1cyclictest14019-21gltestperf08:05:143
186409940,1cyclictest7006-21apt-get09:00:123
186279944,0cyclictest0-21swapper/109:50:161
186279944,0cyclictest0-21swapper/108:35:121
186279942,1cyclictest0-21swapper/108:25:001
186279941,1cyclictest0-21swapper/109:00:191
186279940,4cyclictest0-21swapper/107:35:201
186279940,3cyclictest0-21swapper/110:20:151
186279940,2cyclictest0-21swapper/112:25:191
186279940,2cyclictest0-21swapper/111:50:081
186279940,0cyclictest0-21swapper/107:55:201
186279931,1cyclictest0-21swapper/108:40:111
186279931,1cyclictest0-21swapper/108:05:121
186279931,1cyclictest0-21swapper/107:30:161
186279930,1cyclictest0-21swapper/108:55:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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