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2026-08-24 - 02:42
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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 Mon Aug 24, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287142236161,25sleep00-21swapper/019:07:360
287422211151,22sleep30-21swapper/319:07:593
286112200161,26sleep10-21swapper/119:06:161
286272199162,24sleep20-21swapper/219:06:292
257522610,0sleep10-21swapper/121:15:001
126582600,0sleep20-21swapper/222:25:422
177132540,2sleep32900399cyclictest22:35:043
126132180,1sleep02898299cyclictest23:13:380
2899099140,1cyclictest0-21swapper/220:55:142
28990991311,1cyclictest28-21ksoftirqd/220:10:002
28982991210,1cyclictest9-21ksoftirqd/020:30:000
28982991210,1cyclictest9-21ksoftirqd/020:30:000
29003991110,1cyclictest35-21ksoftirqd/321:40:173
29003991110,1cyclictest35-21ksoftirqd/319:40:003
29003991110,1cyclictest35-21ksoftirqd/319:30:003
29003991110,0cyclictest35-21ksoftirqd/321:15:143
2899099119,1cyclictest9244-21grep19:35:002
28982991110,1cyclictest9-21ksoftirqd/000:40:010
2900399109,1cyclictest35-21ksoftirqd/323:10:143
2900399109,1cyclictest35-21ksoftirqd/322:50:093
2900399109,1cyclictest35-21ksoftirqd/320:40:003
2900399109,1cyclictest35-21ksoftirqd/320:00:003
2900399108,1cyclictest35-21ksoftirqd/322:05:003
29003991010,0cyclictest35-21ksoftirqd/300:15:163
28990991010,0cyclictest28-21ksoftirqd/222:53:442
2898299109,1cyclictest9-21ksoftirqd/022:30:000
2898299109,1cyclictest9-21ksoftirqd/000:10:140
290039999,0cyclictest35-21ksoftirqd/323:05:143
290039999,0cyclictest35-21ksoftirqd/321:25:203
290039999,0cyclictest35-21ksoftirqd/321:25:203
290039998,1cyclictest35-21ksoftirqd/323:35:003
290039998,1cyclictest35-21ksoftirqd/319:55:003
290039998,1cyclictest35-21ksoftirqd/300:04:573
290039998,1cyclictest35-21ksoftirqd/300:00:003
290039997,1cyclictest35-21ksoftirqd/320:55:003
290039990,6cyclictest20016-1kworker/u9:123:28:113
289909990,0cyclictest0-21swapper/220:43:272
289829998,1cyclictest9-21ksoftirqd/023:50:000
289829998,1cyclictest9-21ksoftirqd/022:33:170
289829998,1cyclictest9-21ksoftirqd/021:25:000
289829997,1cyclictest9-21ksoftirqd/021:15:000
289829994,2cyclictest240-21systemd-journal19:55:000
290039988,0cyclictest35-21ksoftirqd/322:30:133
290039988,0cyclictest35-21ksoftirqd/322:15:133
290039987,1cyclictest35-21ksoftirqd/321:35:203
290039987,1cyclictest35-21ksoftirqd/321:20:213
290039986,1cyclictest35-21ksoftirqd/320:45:003
290039986,1cyclictest11301-21snmpd21:14:093
290039981,6cyclictest0-21swapper/300:05:123
289909986,1cyclictest11301-21snmpd20:24:202
289909986,1cyclictest11301-21snmpd19:17:422
289909980,6cyclictest61650irq/122-eno123:18:432
289859980,5cyclictest0-21swapper/123:55:121
289859980,4cyclictest0-21swapper/100:10:181
289829988,0cyclictest9-21ksoftirqd/019:45:000
289829988,0cyclictest26099-21kworker/u8:221:34:250
289829987,1cyclictest9-21ksoftirqd/022:40:130
289829987,1cyclictest9-21ksoftirqd/022:15:000
289829987,1cyclictest9-21ksoftirqd/022:00:000
289829987,1cyclictest9-21ksoftirqd/021:45:000
289829986,1cyclictest11301-21snmpd23:30:100
289829986,1cyclictest11301-21snmpd21:51:550
289829981,6cyclictest938-21ssh22:55:230
289829981,6cyclictest10729-21ssh23:55:190
289829980,4cyclictest561-21nscd23:38:050
290039977,0cyclictest35-21ksoftirqd/323:50:003
290039977,0cyclictest35-21ksoftirqd/321:45:173
290039976,1cyclictest35-21ksoftirqd/323:45:013
290039976,1cyclictest35-21ksoftirqd/323:40:013
290039976,1cyclictest35-21ksoftirqd/322:40:163
290039976,1cyclictest35-21ksoftirqd/322:25:003
290039976,1cyclictest35-21ksoftirqd/320:50:003
290039976,1cyclictest35-21ksoftirqd/319:10:123
290039976,1cyclictest1155-21cat22:10:153
290039976,0cyclictest35-21ksoftirqd/319:20:153
290039975,1cyclictest11301-21snmpd20:57:273
290039975,1cyclictest11301-21snmpd19:30:573
290039971,3cyclictest22243-21diskmemload23:18:363
290039971,3cyclictest22243-21diskmemload00:12:523
290039970,5cyclictest22243-21diskmemload23:24:403
290039970,4cyclictest0-21swapper/321:33:413
289909976,1cyclictest61650irq/122-eno122:38:102
289909976,1cyclictest61650irq/122-eno122:13:332
289909976,1cyclictest61650irq/122-eno121:32:432
289909976,1cyclictest61650irq/122-eno100:03:192
289909976,1cyclictest291692sleep200:21:302
289909976,1cyclictest28-21ksoftirqd/220:00:002
289909976,1cyclictest20986-21fschecks_time23:25:122
289909975,1cyclictest61650irq/122-eno123:55:192
289909975,1cyclictest61650irq/122-eno121:25:182
289909975,1cyclictest61650irq/122-eno121:25:182
289909975,1cyclictest61650irq/122-eno100:15:152
289909975,1cyclictest11301-21snmpd00:05:592
289909973,2cyclictest240-21systemd-journal23:45:002
289909973,2cyclictest240-21systemd-journal00:30:002
289909973,2cyclictest0-21swapper/220:45:122
289909973,1cyclictest61650irq/122-eno100:11:522
289909971,6cyclictest0-21swapper/220:37:562
289909971,5cyclictest22163-21apt-get21:55:122
289909970,1cyclictest2590-21runrttasks20:25:212
289909970,1cyclictest2590-21runrttasks20:25:212
289909970,1cyclictest0-21swapper/219:41:452
289859971,4cyclictest0-21swapper/119:45:121
289859971,1cyclictest0-21swapper/120:01:551
289859970,6cyclictest0-21swapper/122:12:171
289859970,5cyclictest0-21swapper/121:53:231
289859970,4cyclictest0-21swapper/100:29:321
289859970,1cyclictest0-21swapper/123:52:081
289859970,1cyclictest0-21swapper/122:39:361
289859970,1cyclictest0-21swapper/121:47:371
289859970,1cyclictest0-21swapper/121:20:551
289859970,1cyclictest0-21swapper/121:18:131
289859970,1cyclictest0-21swapper/100:38:331
289859970,1cyclictest0-21swapper/100:30:121
289829976,1cyclictest9-21ksoftirqd/021:50:000
289829976,1cyclictest9-21ksoftirqd/020:50:000
289829976,1cyclictest9-21ksoftirqd/019:45:000
289829976,1cyclictest849-21ssh23:42:250
289829976,1cyclictest2626-1kworker/u9:122:16:100
289829976,1cyclictest11301-21snmpd22:07:560
289829976,1cyclictest11301-21snmpd21:15:510
289829975,1cyclictest9-21ksoftirqd/022:40:000
289829975,1cyclictest2846-21/usr/sbin/munin23:00:210
289829975,1cyclictest23543-21ssh00:15:120
289829975,1cyclictest11301-21snmpd21:36:160
289829975,1cyclictest11301-21snmpd20:50:360
289829975,1cyclictest11301-21snmpd20:05:580
289829975,1cyclictest11301-21snmpd19:34:330
289829975,1cyclictest11301-21snmpd19:22:420
289829975,1cyclictest10346-21cat19:35:160
289829972,1cyclictest31306-21munin-node19:15:000
289829971,5cyclictest25691-21apt-get22:00:110
289829971,1cyclictest5325-21munin-run20:35:000
289829970,6cyclictest7912-21awk20:40:010
289829970,6cyclictest7156-21tail23:05:150
289829970,6cyclictest5840-21apt-get23:50:110
289829970,6cyclictest31072-21ssh00:25:160
289829970,6cyclictest2360-21diskstats00:30:140
289829970,6cyclictest22243-21diskmemload00:00:200
289829970,6cyclictest1971-21ntp_states21:25:190
289829970,6cyclictest1971-21ntp_states21:25:190
289829970,6cyclictest13305-21ssh23:15:090
289829970,6cyclictest0-21swapper/023:25:220
289829970,6cyclictest0-21swapper/020:20:130
289829970,1cyclictest9303-21ssh22:21:120
289829970,1cyclictest30618-21wc20:20:000
289829970,1cyclictest26691-21ssh22:45:470
289829970,1cyclictest17308-21apt-get21:00:000
289829970,1cyclictest0-21swapper/021:00:000
289829970,1cyclictest0-21swapper/020:40:130
289829970,1cyclictest0-21swapper/019:55:170
289829970,1cyclictest0-21swapper/000:20:010
289829970,1cyclictest0-21swapper/000:08:590
289829970,0cyclictest0-21swapper/022:50:110
290039966,0cyclictest35-21ksoftirqd/321:00:003
290039966,0cyclictest35-21ksoftirqd/320:20:003
290039966,0cyclictest35-21ksoftirqd/300:20:193
290039965,1cyclictest35-21ksoftirqd/321:55:133
290039965,1cyclictest35-21ksoftirqd/321:05:143
290039965,1cyclictest35-21ksoftirqd/320:30:003
290039965,1cyclictest35-21ksoftirqd/320:30:003
290039965,1cyclictest35-21ksoftirqd/319:50:003
290039965,1cyclictest35-21ksoftirqd/319:40:143
290039965,1cyclictest32704-21ssh00:26:363
290039965,1cyclictest11301-21snmpd20:12:313
290039965,1cyclictest11301-21snmpd20:01:493
290039964,1cyclictest29096-21sed20:15:173
290039964,1cyclictest26637-21ssh22:45:363
290039962,3cyclictest24635-21missed_timers20:05:173
290039961,3cyclictest22243-21diskmemload21:53:413
290039961,2cyclictest22243-21diskmemload22:25:013
290039961,2cyclictest22243-21diskmemload22:08:033
290039960,4cyclictest0-21swapper/322:57:543
290039960,2cyclictest0-21swapper/323:41:253
290039960,1cyclictest0-21swapper/323:00:423
290039960,0cyclictest0-21swapper/300:35:083
289909966,0cyclictest61650irq/122-eno123:50:172
289909966,0cyclictest61650irq/122-eno123:30:152
289909966,0cyclictest61650irq/122-eno123:00:142
289909966,0cyclictest61650irq/122-eno122:55:132
289909966,0cyclictest61650irq/122-eno122:45:052
289909966,0cyclictest61650irq/122-eno122:44:152
289909966,0cyclictest61650irq/122-eno122:20:132
289909966,0cyclictest61650irq/122-eno122:15:112
289909966,0cyclictest61650irq/122-eno122:05:012
289909966,0cyclictest61650irq/122-eno122:01:052
289909966,0cyclictest61650irq/122-eno121:40:102
289909966,0cyclictest61650irq/122-eno121:35:152
289909966,0cyclictest61650irq/122-eno121:10:022
289909966,0cyclictest61650irq/122-eno121:08:432
289909966,0cyclictest61650irq/122-eno121:00:182
289909966,0cyclictest61650irq/122-eno120:51:482
289909966,0cyclictest61650irq/122-eno120:17:532
289909966,0cyclictest61650irq/122-eno119:50:122
289909966,0cyclictest61650irq/122-eno119:45:142
289909966,0cyclictest61650irq/122-eno119:39:352
289909966,0cyclictest61650irq/122-eno119:29:012
289909966,0cyclictest61650irq/122-eno119:20:112
289909966,0cyclictest61650irq/122-eno100:32:442
289909965,1cyclictest61650irq/122-eno123:20:122
289909965,1cyclictest61650irq/122-eno121:20:122
289909965,1cyclictest61650irq/122-eno121:15:132
289909965,1cyclictest61650irq/122-eno120:30:132
289909965,1cyclictest61650irq/122-eno120:02:592
289909965,1cyclictest61650irq/122-eno100:35:272
289909965,1cyclictest4416-21ssh23:46:582
289909965,1cyclictest14220-21ssh22:30:032
289909965,0cyclictest61650irq/122-eno121:45:112
289909964,1cyclictest61650irq/122-eno121:50:182
289909964,1cyclictest61650irq/122-eno119:10:142
289909961,4cyclictest561-21nscd23:35:152
289909960,1cyclictest0-21swapper/223:10:112
289909960,1cyclictest0-21swapper/223:05:482
289859966,0cyclictest0-21swapper/122:30:331
289859965,1cyclictest0-21swapper/122:05:381
289859963,2cyclictest0-21swapper/121:40:111
289859961,5cyclictest0-21swapper/123:45:551
289859961,3cyclictest0-21swapper/123:30:141
289859961,3cyclictest0-21swapper/120:25:111
289859961,3cyclictest0-21swapper/120:25:111
289859960,6cyclictest0-21swapper/122:27:411
289859960,6cyclictest0-21swapper/122:00:081
289859960,6cyclictest0-21swapper/120:35:591
289859960,6cyclictest0-21swapper/120:23:471
289859960,6cyclictest0-21swapper/120:07:461
289859960,6cyclictest0-21swapper/119:15:331
289859960,5cyclictest0-21swapper/122:45:171
289859960,5cyclictest0-21swapper/119:25:061
289859960,4cyclictest0-21swapper/100:20:121
289859960,2cyclictest0-21swapper/123:25:001
289859960,2cyclictest0-21swapper/122:55:211
289859960,2cyclictest0-21swapper/121:00:111
289829965,1cyclictest733-21sshd20:02:140
289829965,1cyclictest16942-21ssh23:20:130
289829964,1cyclictest9-21ksoftirqd/019:25:140
289829960,6cyclictest0-21swapper/019:18:180
289829960,2cyclictest21022-21awk21:05:150
290039954,1cyclictest35-21ksoftirqd/320:30:143
290039954,1cyclictest35-21ksoftirqd/319:15:003
290039950,2cyclictest1664-21apt-config00:30:013
289909955,0cyclictest61650irq/122-eno120:10:192
289859955,0cyclictest0-21swapper/122:51:571
289859955,0cyclictest0-21swapper/121:31:171
289859952,0cyclictest0-21swapper/122:44:371
289859951,1cyclictest0-21swapper/100:15:121
289859950,5cyclictest0-21swapper/121:25:071
289859950,5cyclictest0-21swapper/121:25:071
289859950,5cyclictest0-21swapper/120:32:381
289859950,5cyclictest0-21swapper/119:33:591
289859950,5cyclictest0-21swapper/100:05:171
289859950,4cyclictest0-21swapper/123:16:311
289859950,4cyclictest0-21swapper/123:06:051
289859950,4cyclictest0-21swapper/120:40:151
289859950,4cyclictest0-21swapper/120:19:231
289859950,4cyclictest0-21swapper/119:50:131
289859950,4cyclictest0-21swapper/119:15:001
289859950,3cyclictest0-21swapper/123:04:101
289859950,3cyclictest0-21swapper/122:20:201
289859950,3cyclictest0-21swapper/121:55:161
289859950,3cyclictest0-21swapper/120:45:171
289859950,2cyclictest0-21swapper/123:39:391
289859950,2cyclictest0-21swapper/122:15:161
289859950,1cyclictest0-21swapper/119:40:121
289859950,1cyclictest0-21swapper/100:00:181
289859950,0cyclictest0-21swapper/121:39:241
289829950,5cyclictest0-21swapper/020:14:370
289859942,1cyclictest0-21swapper/120:55:111
289859940,4cyclictest0-21swapper/120:54:021
289859940,3cyclictest0-21swapper/123:40:431
289859940,3cyclictest0-21swapper/121:05:111
289859940,3cyclictest0-21swapper/119:35:201
289859940,3cyclictest0-21swapper/119:20:131
289859940,1cyclictest0-21swapper/123:25:341
289859940,1cyclictest0-21swapper/123:10:111
289859940,1cyclictest0-21swapper/120:10:171
289859940,1cyclictest0-21swapper/119:55:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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