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2026-08-11 - 20:16
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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 Tue Aug 11, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114372212156,24sleep00-21swapper/007:06:360
116772209150,45sleep20-21swapper/207:09:442
114682201163,24sleep10-21swapper/107:07:011
115962200161,26sleep30-21swapper/307:08:403
117792720,0sleep20-21swapper/210:05:082
249412570,0sleep10-21swapper/111:55:011
133062560,0sleep20-21swapper/210:51:312
11812991918,1cyclictest35-21ksoftirqd/307:50:143
11812991818,0cyclictest35-21ksoftirqd/311:40:413
1181299177,7cyclictest35-21ksoftirqd/310:25:163
11812991717,0cyclictest35-21ksoftirqd/310:38:483
11812991717,0cyclictest35-21ksoftirqd/310:00:303
11812991710,6cyclictest35-21ksoftirqd/312:10:183
11812991616,0cyclictest35-21ksoftirqd/311:31:293
245542150,0sleep10-21swapper/109:35:241
1181299156,6cyclictest35-21ksoftirqd/307:20:123
11812991515,0cyclictest35-21ksoftirqd/312:28:453
202872140,0sleep121-21ksoftirqd/111:01:231
11812991414,0cyclictest35-21ksoftirqd/311:59:363
11812991414,0cyclictest35-21ksoftirqd/311:49:423
11812991414,0cyclictest35-21ksoftirqd/311:10:143
11812991414,0cyclictest35-21ksoftirqd/310:24:123
11812991414,0cyclictest35-21ksoftirqd/309:59:053
11812991414,0cyclictest35-21ksoftirqd/309:54:113
11812991414,0cyclictest35-21ksoftirqd/309:43:333
11812991413,1cyclictest35-21ksoftirqd/308:35:003
11804991413,1cyclictest28-21ksoftirqd/210:00:122
63282130,0sleep10-21swapper/109:10:211
1181299139,2cyclictest35-21ksoftirqd/312:15:193
1181299137,5cyclictest35-21ksoftirqd/307:25:143
11812991313,0cyclictest35-21ksoftirqd/312:23:263
11812991313,0cyclictest35-21ksoftirqd/312:04:193
11812991313,0cyclictest35-21ksoftirqd/311:50:343
11812991313,0cyclictest35-21ksoftirqd/311:18:313
11812991313,0cyclictest35-21ksoftirqd/310:57:513
11812991313,0cyclictest35-21ksoftirqd/310:45:593
11812991313,0cyclictest35-21ksoftirqd/310:09:523
11812991313,0cyclictest35-21ksoftirqd/309:36:283
11812991313,0cyclictest35-21ksoftirqd/309:01:593
11812991312,1cyclictest35-21ksoftirqd/311:09:103
11812991312,1cyclictest35-21ksoftirqd/310:55:003
11812991312,1cyclictest35-21ksoftirqd/310:15:213
11812991311,1cyclictest35-21ksoftirqd/310:15:003
11812991310,0cyclictest35-21ksoftirqd/308:30:003
11804991313,0cyclictest28-21ksoftirqd/211:05:162
11804991312,1cyclictest28-21ksoftirqd/211:35:012
1178899131,3cyclictest4644-21diskmemload11:27:010
11812991212,0cyclictest35-21ksoftirqd/312:36:543
11812991212,0cyclictest35-21ksoftirqd/312:30:133
11812991212,0cyclictest35-21ksoftirqd/311:29:523
11812991212,0cyclictest35-21ksoftirqd/309:34:043
11812991212,0cyclictest35-21ksoftirqd/309:27:283
11812991212,0cyclictest35-21ksoftirqd/309:25:013
11812991212,0cyclictest35-21ksoftirqd/307:30:123
11812991211,1cyclictest35-21ksoftirqd/312:05:153
11812991211,1cyclictest35-21ksoftirqd/311:05:003
11812991211,1cyclictest35-21ksoftirqd/309:15:143
11812991211,1cyclictest35-21ksoftirqd/309:05:123
11812991211,1cyclictest35-21ksoftirqd/308:14:593
11812991211,1cyclictest35-21ksoftirqd/308:00:183
11812991210,1cyclictest35-21ksoftirqd/309:45:143
11812991210,1cyclictest35-21ksoftirqd/308:35:153
11812991210,1cyclictest35-21ksoftirqd/308:15:183
11812991210,1cyclictest35-21ksoftirqd/307:59:593
11812991210,1cyclictest35-21ksoftirqd/307:45:013
11812991210,1cyclictest35-21ksoftirqd/307:45:003
11804991211,1cyclictest28-21ksoftirqd/210:13:132
11804991211,1cyclictest0-21swapper/208:45:152
11804991210,1cyclictest5920-21cut09:55:222
1178899124,1cyclictest3888-21apt10:39:590
11788991210,1cyclictest9-21ksoftirqd/011:35:000
1178899120,12cyclictest0-21swapper/009:10:110
1181299119,1cyclictest35-21ksoftirqd/311:20:013
1181299119,1cyclictest35-21ksoftirqd/310:40:553
1181299119,1cyclictest35-21ksoftirqd/308:50:123
1181299119,1cyclictest35-21ksoftirqd/308:45:143
1181299119,1cyclictest35-21ksoftirqd/308:20:143
1181299117,1cyclictest35-21ksoftirqd/310:30:033
11812991111,0cyclictest35-21ksoftirqd/309:10:113
11812991110,1cyclictest35-21ksoftirqd/311:35:183
11812991110,1cyclictest35-21ksoftirqd/308:05:133
11812991110,1cyclictest35-21ksoftirqd/307:50:013
11812991110,1cyclictest35-21ksoftirqd/307:15:013
11812991110,1cyclictest35-21ksoftirqd/307:15:003
11812991110,0cyclictest35-21ksoftirqd/307:40:013
11804991111,0cyclictest28-21ksoftirqd/212:00:012
11804991110,1cyclictest28-21ksoftirqd/211:20:122
11804991110,1cyclictest28-21ksoftirqd/209:50:002
1180499110,0cyclictest0-21swapper/212:04:452
1178899115,1cyclictest28797-21ssh09:42:060
1178899111,6cyclictest10004-21ssh10:00:470
1178899111,2cyclictest4644-21diskmemload11:59:200
1178899110,4cyclictest0-21swapper/012:15:130
1178899110,2cyclictest240-21systemd-journal10:34:590
1178899110,1cyclictest28984-21ssh10:29:040
1181299109,1cyclictest35-21ksoftirqd/308:55:133
1181299108,1cyclictest35-21ksoftirqd/308:40:113
1180499109,1cyclictest28-21ksoftirqd/212:05:242
1180499109,1cyclictest28-21ksoftirqd/211:02:472
1180499109,1cyclictest28-21ksoftirqd/210:55:142
1180499109,1cyclictest28-21ksoftirqd/210:45:042
1180499109,1cyclictest28-21ksoftirqd/210:22:222
1180499108,1cyclictest28-21ksoftirqd/211:48:182
1180499108,1cyclictest28-21ksoftirqd/210:15:122
1180499108,1cyclictest28-21ksoftirqd/208:45:012
1180499107,2cyclictest28-21ksoftirqd/211:15:132
11804991010,0cyclictest28-21ksoftirqd/211:25:262
11804991010,0cyclictest28-21ksoftirqd/211:10:212
11804991010,0cyclictest28-21ksoftirqd/207:15:122
1178899105,1cyclictest11301-21snmpd10:56:420
1178899103,4cyclictest1479-21perf07:55:000
1178899103,3cyclictest11122-21perf08:14:590
1178899103,0cyclictest4644-21diskmemload10:05:090
11788991010,0cyclictest191302sleep012:30:580
1178899100,6cyclictest10753-21ssh09:17:000
1178899100,0cyclictest0-21swapper/011:10:160
118049999,0cyclictest28-21ksoftirqd/210:26:472
118049999,0cyclictest28-21ksoftirqd/209:34:382
118049999,0cyclictest28-21ksoftirqd/209:15:182
118049998,1cyclictest61650irq/122-eno111:39:202
118049998,1cyclictest28-21ksoftirqd/212:35:162
118049998,1cyclictest28-21ksoftirqd/212:31:592
118049998,1cyclictest28-21ksoftirqd/212:20:152
118049998,1cyclictest28-21ksoftirqd/212:17:092
118049998,1cyclictest28-21ksoftirqd/211:52:312
118049998,1cyclictest28-21ksoftirqd/210:42:222
118049998,1cyclictest28-21ksoftirqd/209:50:182
118049998,1cyclictest28-21ksoftirqd/209:26:262
118049998,1cyclictest28-21ksoftirqd/208:25:002
118049997,1cyclictest28-21ksoftirqd/212:10:182
118049997,1cyclictest28-21ksoftirqd/209:40:112
118049997,1cyclictest28-21ksoftirqd/209:10:142
117889995,0cyclictest17563-1kworker/u9:011:03:500
117889994,1cyclictest11301-21snmpd08:05:460
117889991,0cyclictest4644-21diskmemload10:52:120
117889990,6cyclictest15310-21/usr/sbin/munin10:10:190
117889990,6cyclictest0-21swapper/008:45:110
117889990,4cyclictest31772-21latency_hist12:05:000
117889990,0cyclictest4644-21diskmemload11:19:370
117889990,0cyclictest4644-21diskmemload10:44:380
117889990,0cyclictest4644-21diskmemload09:25:580
117889990,0cyclictest0-21swapper/011:53:090
117889990,0cyclictest0-21swapper/009:35:220
118049988,0cyclictest28-21ksoftirqd/211:40:112
118049987,1cyclictest28-21ksoftirqd/212:25:222
118049987,1cyclictest28-21ksoftirqd/209:20:212
118049987,1cyclictest28-21ksoftirqd/209:10:002
118049986,1cyclictest61650irq/122-eno110:30:182
118049985,2cyclictest61650irq/122-eno107:55:152
118049980,8cyclictest0-21swapper/207:20:202
117889987,1cyclictest28499-1kworker/u9:209:50:130
117889986,1cyclictest11301-21snmpd09:05:260
117889981,6cyclictest18319-21ssh11:45:140
117889980,5cyclictest705-21strings12:05:210
117889980,3cyclictest4644-21diskmemload11:20:400
117889980,0cyclictest4644-21diskmemload11:06:300
117889980,0cyclictest0-21swapper/012:36:130
117889980,0cyclictest0-21swapper/009:32:450
117889980,0cyclictest0-21swapper/008:57:130
10031280,1sleep10-21swapper/110:00:511
2618270,0sleep10-21swapper/109:05:131
118049977,0cyclictest28-21ksoftirqd/208:34:352
118049976,1cyclictest28-21ksoftirqd/209:35:152
118049976,1cyclictest28-21ksoftirqd/208:10:142
118049976,1cyclictest11301-21snmpd08:27:312
118049975,1cyclictest61650irq/122-eno107:37:242
118049975,1cyclictest28-21ksoftirqd/207:25:152
118049973,2cyclictest240-21systemd-journal07:55:002
118049973,1cyclictest240-21systemd-journal07:50:002
118049971,1cyclictest0-21swapper/208:57:322
118049970,7cyclictest0-21swapper/208:50:192
118049970,5cyclictest0-21swapper/208:35:192
117969971,4cyclictest0-21swapper/111:21:241
117969970,7cyclictest0-21swapper/110:45:161
117969970,6cyclictest0-21swapper/111:31:181
117969970,6cyclictest0-21swapper/111:27:161
117969970,3cyclictest0-21swapper/112:15:041
117969970,1cyclictest0-21swapper/110:24:051
117969970,0cyclictest0-21swapper/107:15:201
117889975,1cyclictest16574-21df08:25:160
117889975,1cyclictest11301-21snmpd07:48:580
117889971,6cyclictest5642-21ssh12:12:480
117889971,5cyclictest14854-21ssh11:40:150
117889970,6cyclictest29285-21latency_hist07:45:000
117889970,6cyclictest29285-21latency_hist07:45:000
117889970,6cyclictest26312-21grep07:35:210
117889970,6cyclictest22898-21cstates10:20:120
117889970,6cyclictest0-21swapper/012:25:150
117889970,6cyclictest0-21swapper/010:45:080
117889970,6cyclictest0-21swapper/009:55:200
117889970,6cyclictest0-21swapper/009:45:160
117889970,6cyclictest0-21swapper/009:20:260
117889970,6cyclictest0-21swapper/008:20:130
117889970,1cyclictest19036-21apt-get10:15:120
117889970,1cyclictest16570-21timerandwakeup07:15:190
117889970,1cyclictest11947-21ssh12:20:250
117889970,1cyclictest0-21swapper/011:35:210
118049966,0cyclictest61650irq/122-eno109:00:222
118049966,0cyclictest61650irq/122-eno108:16:362
118049966,0cyclictest61650irq/122-eno108:09:342
118049966,0cyclictest28-21ksoftirqd/207:41:412
118049966,0cyclictest28-21ksoftirqd/207:41:402
118049965,1cyclictest1818-21ntpq10:35:182
118049964,1cyclictest28-21ksoftirqd/207:10:122
118049960,6cyclictest0-21swapper/208:00:172
117969965,1cyclictest0-21swapper/108:12:431
117969963,0cyclictest0-21swapper/108:25:241
117969962,2cyclictest0-21swapper/108:40:011
117969961,5cyclictest0-21swapper/109:21:271
117969960,6cyclictest0-21swapper/110:57:301
117969960,6cyclictest0-21swapper/109:57:421
117969960,6cyclictest0-21swapper/108:07:371
117969960,6cyclictest0-21swapper/107:58:511
117969960,5cyclictest0-21swapper/109:02:501
117969960,1cyclictest0-21swapper/111:38:271
117969960,0cyclictest0-21swapper/110:05:021
117889965,1cyclictest21941-21ntp_states08:35:170
117889965,1cyclictest11301-21snmpd07:11:240
117889964,1cyclictest11301-21snmpd08:40:100
117889960,6cyclictest0-21swapper/008:50:210
117889960,6cyclictest0-21swapper/008:15:010
117889960,6cyclictest0-21swapper/007:25:170
117889960,5cyclictest0-21swapper/007:20:140
117889960,3cyclictest0-21swapper/008:00:120
117889960,1cyclictest0-21swapper/009:00:300
117889960,0cyclictest0-21swapper/007:30:170
8759250,0sleep10-21swapper/109:15:131
118049955,0cyclictest61650irq/122-eno107:30:132
117969955,0cyclictest0-21swapper/112:33:521
117969951,2cyclictest26019-21taskset10:25:021
117969951,2cyclictest0-21swapper/112:23:021
117969951,2cyclictest0-21swapper/111:05:141
117969951,1cyclictest0-21swapper/111:45:131
117969951,1cyclictest0-21swapper/110:30:121
117969951,1cyclictest0-21swapper/110:10:171
117969951,1cyclictest0-21swapper/108:50:171
117969950,5cyclictest0-21swapper/109:52:071
117969950,5cyclictest0-21swapper/109:40:181
117969950,5cyclictest0-21swapper/108:20:231
117969950,5cyclictest0-21swapper/107:40:171
117969950,5cyclictest0-21swapper/107:40:161
117969950,3cyclictest0-21swapper/112:10:051
117969950,3cyclictest0-21swapper/112:00:141
117969950,3cyclictest0-21swapper/110:35:161
117969950,1cyclictest0-21swapper/112:05:071
117969950,1cyclictest0-21swapper/111:50:121
117969950,1cyclictest0-21swapper/110:54:071
117969950,1cyclictest0-21swapper/109:30:211
117969950,0cyclictest0-21swapper/111:17:301
117889951,2cyclictest0-21swapper/008:30:120
117889950,0cyclictest0-21swapper/007:55:140
23198240,3sleep10-21swapper/107:30:181
117969941,1cyclictest0-21swapper/112:36:051
117969941,1cyclictest0-21swapper/110:18:431
117969940,4cyclictest0-21swapper/112:25:111
117969940,4cyclictest0-21swapper/108:45:191
117969940,4cyclictest0-21swapper/108:02:271
117969940,4cyclictest0-21swapper/107:52:121
117969940,3cyclictest0-21swapper/111:41:361
117969940,3cyclictest0-21swapper/111:11:381
117969940,3cyclictest0-21swapper/109:45:231
117969940,1cyclictest0-21swapper/109:25:011
117969940,1cyclictest0-21swapper/107:35:141
117969940,1cyclictest0-21swapper/107:25:181
117969940,0cyclictest0-21swapper/110:42:051
117969940,0cyclictest0-21swapper/108:41:451
117969932,1cyclictest32057-21chrt08:56:391
117969930,2cyclictest0-21swapper/108:30:151
117969930,2cyclictest0-21swapper/107:45:181
117969930,1cyclictest0-21swapper/108:15:131
117969930,1cyclictest0-21swapper/107:20:191
117969930,1cyclictest0-21swapper/107:10:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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