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2026-06-19 - 21:56
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Fri Jun 19, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
144192218160,45sleep00-21swapper/007:09:420
141412215151,51sleep20-21swapper/207:06:062
142642200161,26sleep10-21swapper/107:07:421
141322198159,26sleep30-21swapper/307:05:593
260522690,0sleep10-21swapper/112:30:141
289192610,0sleep30-21swapper/312:35:133
223042150,1sleep121-21ksoftirqd/112:25:121
1455099130,8cyclictest0-21swapper/311:59:443
1455099130,8cyclictest0-21swapper/311:59:443
1453999130,1cyclictest7382-21diskmemload12:30:102
203372120,0sleep10-21swapper/112:22:171
1455099127,4cyclictest1029-21snmpd11:16:223
1455099127,4cyclictest1029-21snmpd11:16:223
14550991211,1cyclictest35-21ksoftirqd/310:35:013
14539991210,1cyclictest28-21ksoftirqd/209:10:002
1453999120,11cyclictest27833-21/usr/sbin/munin11:05:122
1452399120,4cyclictest14733-21apt-get07:10:120
1455099119,1cyclictest35-21ksoftirqd/310:25:123
14550991110,1cyclictest35-21ksoftirqd/311:50:003
14550991110,1cyclictest35-21ksoftirqd/311:05:003
14550991110,1cyclictest35-21ksoftirqd/310:45:003
14531991111,0cyclictest0-21swapper/109:40:121
1455099109,1cyclictest35-21ksoftirqd/309:15:003
1455099109,0cyclictest0-21swapper/312:30:113
1455099100,6cyclictest24576-21perf11:44:593
1453999109,1cyclictest28-21ksoftirqd/210:05:002
1453999109,1cyclictest28-21ksoftirqd/209:55:002
1453999109,1cyclictest28-21ksoftirqd/209:45:342
1453999106,2cyclictest28-21ksoftirqd/209:33:012
145509999,0cyclictest35-21ksoftirqd/311:10:173
145509998,1cyclictest35-21ksoftirqd/311:50:133
145509998,1cyclictest35-21ksoftirqd/309:25:003
145399990,9cyclictest0-21swapper/211:11:012
145399990,5cyclictest61650irq/122-eno110:42:082
145239993,5cyclictest1887-21perf07:50:000
145239990,1cyclictest25207-21apt-get12:30:100
4448280,0sleep10-21swapper/109:48:461
145509987,1cyclictest35-21ksoftirqd/310:05:133
145509987,1cyclictest35-21ksoftirqd/309:35:013
145509987,1cyclictest35-21ksoftirqd/309:00:163
145509987,0cyclictest35-21ksoftirqd/308:15:123
145509986,1cyclictest35-21ksoftirqd/308:49:593
145509986,1cyclictest35-21ksoftirqd/307:50:003
145509986,1cyclictest27564-21cat09:35:153
145509986,1cyclictest1029-21snmpd12:29:183
145509986,1cyclictest1029-21snmpd10:56:113
145509986,1cyclictest1029-21snmpd09:51:363
145509986,1cyclictest1029-21snmpd09:28:493
145509986,1cyclictest1029-21snmpd09:08:093
145509986,1cyclictest1029-21snmpd08:35:243
145509981,4cyclictest20154-21apt-get07:20:123
145399987,1cyclictest28-21ksoftirqd/210:21:022
145399987,1cyclictest28-21ksoftirqd/210:21:022
145399987,1cyclictest28-21ksoftirqd/208:40:012
145399987,1cyclictest28-21ksoftirqd/208:00:122
145399987,1cyclictest28-21ksoftirqd/207:30:002
145399986,1cyclictest61650irq/122-eno112:20:132
145399986,1cyclictest61650irq/122-eno112:10:152
145399986,1cyclictest61650irq/122-eno110:25:112
145399986,1cyclictest29629-21ntpq11:50:172
145399986,1cyclictest28-21ksoftirqd/209:05:002
145399986,1cyclictest28-21ksoftirqd/207:20:152
145399986,1cyclictest1029-21snmpd12:27:122
145399986,1cyclictest1029-21snmpd11:21:282
145239988,0cyclictest0-21swapper/011:26:010
145239987,1cyclictest9-21ksoftirqd/011:05:000
145239987,1cyclictest30347-21cron08:50:000
145239986,1cyclictest17616-21netstat10:50:160
145239986,1cyclictest1029-21snmpd08:08:320
145239986,1cyclictest1029-21snmpd07:22:220
145239983,1cyclictest1520-21/usr/sbin/munin09:45:170
145239982,5cyclictest9314-21df09:55:130
145239980,7cyclictest30425-21ssh11:50:500
145239980,7cyclictest22355-21hddtemp_smartct12:25:140
145239980,5cyclictest20337-21/usr/sbin/munin10:55:180
145239980,4cyclictest7382-21diskmemload11:15:040
145239980,4cyclictest7382-21diskmemload11:15:040
145239980,1cyclictest10462-21ssh09:14:040
18797270,0sleep1201rcuc/111:35:191
15571270,0sleep10-21swapper/110:48:101
145509977,0cyclictest35-21ksoftirqd/312:05:163
145509977,0cyclictest35-21ksoftirqd/309:45:213
145509976,1cyclictest35-21ksoftirqd/311:30:193
145509976,1cyclictest35-21ksoftirqd/310:35:123
145509976,1cyclictest35-21ksoftirqd/310:10:133
145509976,0cyclictest35-21ksoftirqd/312:15:133
145509975,1cyclictest35-21ksoftirqd/312:10:133
145509975,1cyclictest35-21ksoftirqd/308:55:163
145509975,1cyclictest35-21ksoftirqd/307:35:003
145509975,1cyclictest35-21ksoftirqd/307:35:003
145509975,1cyclictest28632-21tail11:05:133
145509975,1cyclictest14577-21ssh10:01:193
145509975,1cyclictest1029-21snmpd11:39:233
145509975,1cyclictest1029-21snmpd11:26:163
145509975,1cyclictest1029-21snmpd10:15:593
145509975,1cyclictest1029-21snmpd08:41:363
145509975,1cyclictest1029-21snmpd08:10:383
145509975,1cyclictest1029-21snmpd08:04:383
145509975,1cyclictest1029-21snmpd07:43:073
145509971,5cyclictest1029-21snmpd12:24:423
145509971,3cyclictest4430-21apt-get07:55:113
145509970,4cyclictest17638-21/usr/sbin/munin10:50:163
145509970,3cyclictest0-21swapper/307:15:003
145399976,1cyclictest61650irq/122-eno111:30:162
145399976,1cyclictest61650irq/122-eno110:34:012
145399976,1cyclictest61650irq/122-eno109:25:112
145399976,1cyclictest61650irq/122-eno109:16:392
145399976,1cyclictest61650irq/122-eno109:12:452
145399976,1cyclictest28-21ksoftirqd/211:50:002
145399976,1cyclictest28-21ksoftirqd/211:40:002
145399976,1cyclictest28-21ksoftirqd/209:55:122
145399975,1cyclictest61650irq/122-eno112:00:122
145399975,1cyclictest28-21ksoftirqd/208:45:132
145399975,1cyclictest1029-21snmpd10:54:032
145399975,1cyclictest1029-21snmpd08:51:002
145399975,1cyclictest1029-21snmpd07:57:022
145399975,1cyclictest1029-21snmpd07:19:522
145399971,6cyclictest0-21swapper/207:51:102
145399971,4cyclictest0-21swapper/209:35:112
145399971,1cyclictest0-21swapper/208:16:262
145399970,6cyclictest0-21swapper/212:05:262
145399970,4cyclictest271rcuc/209:40:142
145399970,2cyclictest240-21systemd-journal10:55:002
145399970,1cyclictest0-21swapper/208:11:532
145319977,0cyclictest21-21ksoftirqd/111:29:421
145319971,3cyclictest0-21swapper/110:15:131
145319971,3cyclictest0-21swapper/109:10:111
145319970,6cyclictest0-21swapper/112:05:051
145319970,6cyclictest0-21swapper/108:57:241
145319970,3cyclictest0-21swapper/109:50:011
145319970,3cyclictest0-21swapper/109:27:241
145319970,2cyclictest0-21swapper/108:24:301
145319970,2cyclictest0-21swapper/108:02:041
145239976,1cyclictest2339-21ssh11:14:470
145239976,1cyclictest14877-21ntpq11:30:170
145239976,1cyclictest1029-21snmpd09:20:000
145239976,1cyclictest1029-21snmpd09:00:540
145239976,1cyclictest0-21swapper/011:41:380
145239975,1cyclictest1029-21snmpd08:57:450
145239975,1cyclictest1029-21snmpd08:20:230
145239975,1cyclictest1029-21snmpd07:41:130
145239975,1cyclictest0-21swapper/010:10:160
145239974,1cyclictest240-21systemd-journal12:20:000
145239970,6cyclictest7382-21diskmemload09:35:100
145239970,6cyclictest31753-21ntp_states08:50:170
145239970,6cyclictest26684-21ssh11:45:300
145239970,6cyclictest24148-21cat07:25:170
145239970,6cyclictest1498-21ssh11:55:280
145239970,6cyclictest1498-21ssh11:55:280
145239970,6cyclictest14031-21ntp_states10:45:170
145239970,6cyclictest12247-21ntp_states09:15:180
145239970,6cyclictest0-21swapper/007:40:010
145239970,3cyclictest5166-21apt-get09:50:120
145239970,1cyclictest8848-21ssh12:05:350
145239970,1cyclictest8801-21ssh10:39:440
145239970,1cyclictest7382-21diskmemload11:05:190
145239970,1cyclictest7382-21diskmemload10:23:240
145239970,1cyclictest7382-21diskmemload10:23:230
145239970,1cyclictest556-21ssh10:27:010
145239970,1cyclictest31837-21awk09:40:210
145239970,1cyclictest19080-1kworker/u9:211:35:420
145239970,1cyclictest19003-21tr09:25:120
145239970,1cyclictest0-21swapper/012:20:160
145239970,1cyclictest0-21swapper/012:10:120
145239970,1cyclictest0-21swapper/010:00:160
145239970,1cyclictest0-21swapper/009:34:520
145509965,1cyclictest5810-21ssh12:02:253
145509965,1cyclictest35-21ksoftirqd/311:20:143
145509965,1cyclictest35-21ksoftirqd/308:20:153
145509965,1cyclictest35-21ksoftirqd/307:55:003
145509965,1cyclictest35-21ksoftirqd/307:30:013
145509965,1cyclictest10943-21ssh09:56:223
145509964,1cyclictest1029-21snmpd09:42:163
145509964,1cyclictest1029-21snmpd08:31:323
145509963,1cyclictest548-21systemd-logind10:45:183
145509963,1cyclictest29396-21taskset07:38:253
145509962,1cyclictest12237-21ntpq09:15:183
145399966,0cyclictest61650irq/122-eno112:15:132
145399966,0cyclictest61650irq/122-eno111:55:062
145399966,0cyclictest61650irq/122-eno111:55:062
145399966,0cyclictest61650irq/122-eno111:41:192
145399966,0cyclictest61650irq/122-eno111:26:182
145399966,0cyclictest61650irq/122-eno111:15:042
145399966,0cyclictest61650irq/122-eno111:15:042
145399966,0cyclictest61650irq/122-eno111:00:172
145399966,0cyclictest61650irq/122-eno110:35:382
145399966,0cyclictest61650irq/122-eno110:15:192
145399966,0cyclictest61650irq/122-eno110:10:052
145399966,0cyclictest61650irq/122-eno110:05:372
145399966,0cyclictest61650irq/122-eno108:27:352
145399966,0cyclictest61650irq/122-eno107:30:182
145399966,0cyclictest61650irq/122-eno107:30:182
145399966,0cyclictest61650irq/122-eno107:10:202
145399966,0cyclictest28-21ksoftirqd/210:45:182
145399965,1cyclictest28-21ksoftirqd/212:35:142
145399965,1cyclictest28-21ksoftirqd/208:25:002
145399965,1cyclictest28-21ksoftirqd/207:35:142
145399965,1cyclictest22113-21ntpq08:30:212
145399965,0cyclictest61650irq/122-eno109:20:012
145399964,1cyclictest61650irq/122-eno108:55:142
145399964,1cyclictest11282-21dump-pmu-power08:10:002
145319962,3cyclictest12075-21chrt10:43:361
145319962,2cyclictest0-21swapper/110:21:071
145319962,2cyclictest0-21swapper/110:21:071
145319961,3cyclictest0-21swapper/111:49:271
145319960,6cyclictest0-21swapper/111:23:011
145319960,6cyclictest0-21swapper/111:07:521
145319960,6cyclictest0-21swapper/110:55:591
145319960,6cyclictest0-21swapper/110:37:161
145319960,6cyclictest0-21swapper/109:30:541
145319960,6cyclictest0-21swapper/109:02:331
145319960,6cyclictest0-21swapper/108:50:091
145319960,6cyclictest0-21swapper/108:29:471
145319960,6cyclictest0-21swapper/107:50:131
145319960,6cyclictest0-21swapper/107:43:551
145319960,6cyclictest0-21swapper/107:29:461
145319960,5cyclictest0-21swapper/111:51:591
145319960,5cyclictest0-21swapper/110:31:241
145319960,5cyclictest0-21swapper/110:13:081
145319960,5cyclictest0-21swapper/108:11:291
145319960,5cyclictest0-21swapper/107:35:001
145319960,5cyclictest0-21swapper/107:35:001
145319960,4cyclictest0-21swapper/110:53:521
145319960,4cyclictest0-21swapper/109:56:461
145319960,3cyclictest0-21swapper/107:17:011
145319960,2cyclictest0-21swapper/112:00:101
145319960,2cyclictest0-21swapper/111:55:141
145319960,2cyclictest0-21swapper/111:55:141
145319960,2cyclictest0-21swapper/111:00:111
145319960,1cyclictest0-21swapper/107:49:551
145319960,0cyclictest0-21swapper/112:39:541
145239965,1cyclictest9918-21ssh10:40:130
145239965,1cyclictest3241-21ntpq07:50:180
145239965,1cyclictest30043-21ntpq12:35:190
145239965,1cyclictest15537-21unixbench_multi08:15:210
145239965,1cyclictest1029-21snmpd08:30:110
145239962,2cyclictest5100-21fschecks_time07:55:140
145239961,4cyclictest3453-21tail12:00:110
145239960,6cyclictest0-21swapper/010:15:120
145239960,5cyclictest8182-21ssh11:20:260
145239960,5cyclictest19993-21tr08:25:180
145239960,0cyclictest7382-21diskmemload10:05:200
145239960,0cyclictest0-21swapper/010:30:520
145239960,0cyclictest0-21swapper/008:01:210
145509955,0cyclictest35-21ksoftirqd/308:25:133
145509955,0cyclictest0-21swapper/307:10:213
145509953,1cyclictest27604-21grep10:20:153
145509953,1cyclictest27604-21grep10:20:153
145509951,1cyclictest30594-21apt-get08:50:113
145399955,0cyclictest61650irq/122-eno107:40:222
145399954,1cyclictest61650irq/122-eno107:45:392
145399950,5cyclictest0-21swapper/208:40:032
145319955,0cyclictest0-21swapper/110:05:571
145319954,1cyclictest0-21swapper/107:35:171
145319952,3cyclictest0-21swapper/108:35:421
145319951,1cyclictest203-21jbd2/sda2-807:55:311
145319950,5cyclictest0-21swapper/111:41:261
145319950,5cyclictest0-21swapper/111:16:381
145319950,5cyclictest0-21swapper/111:16:381
145319950,5cyclictest0-21swapper/111:11:521
145319950,4cyclictest0-21swapper/110:27:181
145319950,4cyclictest0-21swapper/108:10:001
145319950,2cyclictest0-21swapper/112:15:131
145319950,2cyclictest0-21swapper/109:38:101
145319950,2cyclictest0-21swapper/109:21:361
145319950,2cyclictest0-21swapper/107:10:161
145319950,1cyclictest0-21swapper/110:01:001
145319950,0cyclictest0-21swapper/109:15:061
145239951,2cyclictest0-21swapper/007:30:120
145239951,2cyclictest0-21swapper/007:30:120
145239950,4cyclictest24583-21needreboot08:35:180
145239950,4cyclictest18933-21/usr/sbin/munin07:15:170
145239950,4cyclictest11509-21/usr/sbin/munin08:10:210
145239950,4cyclictest0-21swapper/009:05:120
145239950,4cyclictest0-21swapper/008:40:120
145509942,2cyclictest0-21swapper/308:05:113
145319942,1cyclictest27885-21chrt08:43:371
145319942,1cyclictest20955-21chrt08:30:111
145319942,1cyclictest12655-21chrt12:11:081
145319941,3cyclictest0-21swapper/107:22:151
145319940,4cyclictest0-21swapper/108:46:511
145319940,4cyclictest0-21swapper/108:16:231
145319940,1cyclictest0-21swapper/111:30:131
145319930,3cyclictest5242-21taskset09:05:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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