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2026-08-08 - 18:06
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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