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2026-06-10 - 15:21
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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 Wed Jun 10, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79472201163,24sleep30-21swapper/307:05:263
81292200163,24sleep00-21swapper/007:07:360
81132199162,24sleep10-21swapper/107:07:261
81712198158,26sleep20-21swapper/207:08:102
317112760,0sleep00-21swapper/007:55:140
6942600,0sleep10-21swapper/109:05:191
153172480,1sleep0839399cyclictest11:38:500
286902180,0sleep20-21swapper/207:50:112
8393991513,1cyclictest9-21ksoftirqd/008:55:100
840099130,13cyclictest0-21swapper/208:45:172
8393991312,1cyclictest9-21ksoftirqd/010:45:190
8407991210,1cyclictest35-21ksoftirqd/312:25:003
839399129,2cyclictest561-21nscd11:25:170
840799119,1cyclictest35-21ksoftirqd/310:00:003
8407991111,0cyclictest35-21ksoftirqd/309:14:233
8407991110,1cyclictest35-21ksoftirqd/309:20:003
840099119,1cyclictest28-21ksoftirqd/210:30:002
840099119,1cyclictest28-21ksoftirqd/208:15:002
839399119,1cyclictest9-21ksoftirqd/011:20:140
839399119,1cyclictest9-21ksoftirqd/008:20:140
839399113,4cyclictest25337-21perf10:25:000
121642110,0sleep00-21swapper/012:17:160
840799109,1cyclictest35-21ksoftirqd/310:05:003
840799108,1cyclictest35-21ksoftirqd/309:55:003
840099109,1cyclictest28-21ksoftirqd/211:55:002
840099109,1cyclictest28-21ksoftirqd/207:40:002
840099109,1cyclictest28-21ksoftirqd/207:35:002
840099108,1cyclictest28-21ksoftirqd/211:20:002
839899109,0cyclictest102162sleep112:15:131
839399109,1cyclictest9-21ksoftirqd/012:30:000
839399109,1cyclictest9-21ksoftirqd/012:15:000
839399109,1cyclictest9-21ksoftirqd/010:10:170
839399109,1cyclictest9-21ksoftirqd/009:58:010
839399108,1cyclictest9-21ksoftirqd/011:00:140
839399108,1cyclictest9-21ksoftirqd/008:35:000
8393991010,0cyclictest9-21ksoftirqd/011:30:180
84079999,0cyclictest35-21ksoftirqd/310:55:003
84079998,1cyclictest35-21ksoftirqd/308:55:003
84009998,1cyclictest28-21ksoftirqd/212:19:592
84009998,1cyclictest28-21ksoftirqd/210:15:152
84009998,1cyclictest28-21ksoftirqd/208:05:012
84009998,1cyclictest28-21ksoftirqd/208:00:002
84009997,1cyclictest28-21ksoftirqd/210:45:132
84009997,1cyclictest28-21ksoftirqd/210:20:122
84009997,1cyclictest28-21ksoftirqd/207:45:012
84009990,6cyclictest21254-21df12:30:122
84009990,1cyclictest20469-21munin-run12:30:012
83939998,1cyclictest9-21ksoftirqd/010:32:300
83939998,1cyclictest9-21ksoftirqd/010:15:110
83939998,1cyclictest9-21ksoftirqd/009:15:010
83939998,1cyclictest9-21ksoftirqd/009:10:150
83939998,1cyclictest9-21ksoftirqd/008:05:200
83939997,2cyclictest9-21ksoftirqd/012:00:120
83939997,2cyclictest10758-21munin-node07:31:160
83939997,1cyclictest9-21ksoftirqd/011:50:140
83939990,6cyclictest26214-21/usr/sbin/munin07:45:190
83939990,4cyclictest10167-21ls08:20:000
84079987,1cyclictest35-21ksoftirqd/310:35:003
84079987,1cyclictest35-21ksoftirqd/308:40:003
84079986,1cyclictest1029-21snmpd11:20:233
84079986,1cyclictest1029-21snmpd11:11:353
84079986,1cyclictest1029-21snmpd09:47:243
84079986,1cyclictest1029-21snmpd09:06:493
84079986,1cyclictest1029-21snmpd08:11:183
84079986,1cyclictest1029-21snmpd07:59:143
84079986,1cyclictest1029-21snmpd07:52:333
84079986,1cyclictest1029-21snmpd07:44:173
84079986,1cyclictest1029-21snmpd07:37:293
84079980,6cyclictest1029-21snmpd10:41:433
84079980,5cyclictest20751-21ssh12:30:113
84009988,0cyclictest28-21ksoftirqd/210:30:152
84009988,0cyclictest0-21swapper/212:38:492
84009987,1cyclictest28-21ksoftirqd/212:05:002
84009987,1cyclictest28-21ksoftirqd/211:30:002
84009987,1cyclictest28-21ksoftirqd/211:20:122
84009987,1cyclictest28-21ksoftirqd/210:53:122
84009987,1cyclictest28-21ksoftirqd/208:20:002
84009986,1cyclictest28-21ksoftirqd/212:20:112
84009986,1cyclictest28-21ksoftirqd/209:15:182
84009986,1cyclictest1029-21snmpd11:13:092
84009986,1cyclictest1029-21snmpd07:28:302
84009982,5cyclictest1029-21snmpd09:44:392
84009980,7cyclictest31858-21kworker/u8:010:14:492
83989980,4cyclictest0-21swapper/110:45:141
83989980,3cyclictest0-21swapper/109:15:111
83939988,0cyclictest9-21ksoftirqd/012:20:180
83939988,0cyclictest9-21ksoftirqd/010:25:090
83939987,1cyclictest9-21ksoftirqd/010:35:110
83939987,1cyclictest9-21ksoftirqd/009:40:010
83939987,1cyclictest9-21ksoftirqd/007:15:000
83939987,0cyclictest9-21ksoftirqd/008:45:190
83939986,1cyclictest9-21ksoftirqd/012:30:130
83939986,1cyclictest9-21ksoftirqd/012:00:000
83939986,1cyclictest9-21ksoftirqd/011:15:140
83939986,1cyclictest1029-21snmpd09:34:480
83939986,1cyclictest1029-21snmpd09:08:340
83939986,1cyclictest1029-21snmpd08:36:510
83939984,2cyclictest1283-21diskmemload10:40:130
83939983,4cyclictest21281-21/usr/sbin/munin07:35:200
84079976,1cyclictest35-21ksoftirqd/312:30:003
84079976,1cyclictest35-21ksoftirqd/312:15:013
84079976,1cyclictest35-21ksoftirqd/312:15:013
84079976,1cyclictest35-21ksoftirqd/309:45:003
84079976,1cyclictest35-21ksoftirqd/309:35:003
84079976,1cyclictest15757-21ntpq10:10:163
84079976,1cyclictest1029-21snmpd07:25:503
84079976,0cyclictest35-21ksoftirqd/311:05:003
84079975,1cyclictest1029-21snmpd10:55:523
84079975,1cyclictest1029-21snmpd10:08:333
84079975,1cyclictest1029-21snmpd09:27:263
84079975,1cyclictest1029-21snmpd08:56:523
84079975,1cyclictest1029-21snmpd08:21:243
84079975,1cyclictest1029-21snmpd08:05:293
84079975,1cyclictest1029-21snmpd07:48:443
84079975,1cyclictest1029-21snmpd07:33:023
84079975,1cyclictest1029-21snmpd07:22:313
84079975,1cyclictest1029-21snmpd07:14:043
84079972,4cyclictest1029-21snmpd09:24:323
84079972,3cyclictest1283-21diskmemload11:50:173
84079971,3cyclictest1283-21diskmemload12:05:103
84079970,7cyclictest0-21swapper/311:46:503
84079970,4cyclictest0-21swapper/310:25:063
84009976,1cyclictest61650irq/122-eno111:48:452
84009976,1cyclictest61650irq/122-eno111:35:172
84009976,1cyclictest61650irq/122-eno111:30:112
84009976,1cyclictest61650irq/122-eno109:50:282
84009976,1cyclictest61650irq/122-eno109:49:102
84009976,1cyclictest28-21ksoftirqd/211:05:142
84009976,1cyclictest28-21ksoftirqd/208:55:002
84009976,1cyclictest19977-21cat11:00:152
84009976,0cyclictest61650irq/122-eno112:05:162
84009975,1cyclictest61650irq/122-eno112:10:132
84009975,1cyclictest61650irq/122-eno110:00:152
84009975,1cyclictest28-21ksoftirqd/207:45:022
84009975,1cyclictest28-21ksoftirqd/207:15:012
84009975,1cyclictest28-21ksoftirqd/207:10:132
84009975,1cyclictest1029-21snmpd10:07:032
84009974,1cyclictest548-21systemd-logind09:05:192
84009971,6cyclictest0-21swapper/211:40:312
84009970,6cyclictest0-21swapper/209:32:142
83989971,4cyclictest0-21swapper/109:20:181
83989971,1cyclictest0-21swapper/111:35:571
83989970,6cyclictest0-21swapper/110:15:031
83989970,4cyclictest0-21swapper/111:20:131
83989970,4cyclictest0-21swapper/110:10:441
83989970,1cyclictest0-21swapper/109:37:021
83989970,1cyclictest0-21swapper/107:40:011
83939977,0cyclictest9-21ksoftirqd/011:05:160
83939977,0cyclictest9-21ksoftirqd/010:00:200
83939976,1cyclictest9-21ksoftirqd/011:43:190
83939976,1cyclictest9-21ksoftirqd/010:10:000
83939976,1cyclictest9-21ksoftirqd/008:40:190
83939976,0cyclictest9-21ksoftirqd/009:20:150
83939975,1cyclictest9-21ksoftirqd/012:40:000
83939975,1cyclictest9-21ksoftirqd/011:45:140
83939975,1cyclictest1029-21snmpd09:53:260
83939970,6cyclictest14131-21sed09:25:150
83939970,6cyclictest1283-21diskmemload09:36:360
83939970,6cyclictest10744-21apt-get07:15:000
83939970,3cyclictest0-21swapper/010:50:100
83939970,3cyclictest0-21swapper/008:25:110
83939970,1cyclictest18086-21ssh10:57:580
83939970,1cyclictest0-21swapper/012:05:220
83939970,1cyclictest0-21swapper/008:10:140
84079965,1cyclictest35-21ksoftirqd/311:35:003
84079965,1cyclictest35-21ksoftirqd/309:05:003
84079965,1cyclictest35-21ksoftirqd/308:40:123
84079965,1cyclictest35-21ksoftirqd/307:15:003
84079965,1cyclictest30027-21ssh11:15:033
84079965,1cyclictest29534-21ssh11:56:553
84079965,1cyclictest17838-21ssh11:40:273
84079965,1cyclictest1029-21snmpd09:37:053
84079964,1cyclictest13252-21cut08:25:133
84079964,1cyclictest1029-21snmpd11:05:073
84079964,0cyclictest1283-21diskmemload12:35:313
84079962,3cyclictest868-21apt-get08:00:113
84079961,2cyclictest0-21swapper/310:15:183
84079960,6cyclictest0-21swapper/310:38:283
84079960,5cyclictest0-21swapper/312:01:483
84079960,3cyclictest0-21swapper/311:25:123
84079960,1cyclictest0-21swapper/311:30:123
84009966,0cyclictest61650irq/122-eno111:55:172
84009966,0cyclictest61650irq/122-eno110:55:142
84009966,0cyclictest61650irq/122-eno110:40:132
84009966,0cyclictest61650irq/122-eno109:35:142
84009966,0cyclictest61650irq/122-eno109:26:172
84009966,0cyclictest61650irq/122-eno109:20:132
84009966,0cyclictest61650irq/122-eno108:56:042
84009965,1cyclictest61650irq/122-eno108:35:152
84009965,1cyclictest28-21ksoftirqd/209:55:132
84009965,0cyclictest61650irq/122-eno108:20:112
84009964,1cyclictest61650irq/122-eno110:35:112
84009964,1cyclictest61650irq/122-eno107:20:122
84009964,1cyclictest15342-21tr08:30:112
84009960,4cyclictest2467-21irqstats09:10:152
83989966,0cyclictest0-21swapper/112:05:131
83989963,0cyclictest0-21swapper/109:50:191
83989962,2cyclictest0-21swapper/110:00:261
83989961,5cyclictest0-21swapper/107:31:321
83989961,3cyclictest0-21swapper/109:47:091
83989961,1cyclictest0-21swapper/111:40:121
83989960,6cyclictest0-21swapper/112:39:441
83989960,6cyclictest0-21swapper/110:54:201
83989960,6cyclictest0-21swapper/110:25:281
83989960,6cyclictest0-21swapper/109:11:311
83989960,6cyclictest0-21swapper/108:56:101
83989960,6cyclictest0-21swapper/108:36:241
83989960,6cyclictest0-21swapper/108:19:481
83989960,6cyclictest0-21swapper/107:59:171
83989960,5cyclictest0-21swapper/111:27:561
83989960,5cyclictest0-21swapper/111:15:151
83989960,5cyclictest0-21swapper/108:41:421
83989960,5cyclictest0-21swapper/108:26:211
83989960,5cyclictest0-21swapper/108:14:121
83989960,5cyclictest0-21swapper/108:00:161
83989960,4cyclictest0-21swapper/111:10:191
83989960,4cyclictest0-21swapper/110:56:271
83989960,3cyclictest0-21swapper/111:04:101
83989960,2cyclictest0-21swapper/112:25:091
83989960,1cyclictest0-21swapper/112:32:021
83989960,0cyclictest0-21swapper/111:34:351
83939965,1cyclictest26379-21ssh11:10:050
83939964,1cyclictest9-21ksoftirqd/009:00:130
83939964,1cyclictest14553-21cstates07:20:130
83939961,5cyclictest24822-21ntp_states07:40:160
83939960,6cyclictest0-21swapper/008:02:000
83939960,6cyclictest0-21swapper/007:53:080
83939960,6cyclictest0-21swapper/007:25:150
83939960,2cyclictest0-21swapper/009:46:380
84079954,1cyclictest35-21ksoftirqd/310:20:133
84079954,1cyclictest1029-21snmpd08:45:543
84079954,0cyclictest8045-21aten2.4-expect08:15:133
84079950,0cyclictest0-21swapper/310:49:333
84009955,0cyclictest61650irq/122-eno109:00:012
84009955,0cyclictest61650irq/122-eno108:40:102
84009955,0cyclictest61650irq/122-eno108:25:102
84009954,1cyclictest28-21ksoftirqd/208:05:132
83989955,0cyclictest0-21swapper/110:40:481
83989955,0cyclictest0-21swapper/110:09:291
83989952,2cyclictest0-21swapper/112:11:471
83989951,1cyclictest0-21swapper/109:30:001
83989950,5cyclictest0-21swapper/111:07:441
83989950,5cyclictest0-21swapper/109:41:471
83989950,5cyclictest0-21swapper/107:46:141
83989950,5cyclictest0-21swapper/107:16:191
83989950,4cyclictest0-21swapper/112:04:451
83989950,4cyclictest0-21swapper/109:30:131
83989950,3cyclictest0-21swapper/111:52:251
83989950,3cyclictest0-21swapper/110:20:111
83989950,3cyclictest0-21swapper/108:30:091
83989950,2cyclictest0-21swapper/111:45:081
83989950,2cyclictest0-21swapper/110:36:301
83989950,2cyclictest0-21swapper/110:32:071
83989950,2cyclictest0-21swapper/109:57:471
83989950,1cyclictest0-21swapper/112:20:171
83989950,1cyclictest0-21swapper/111:55:171
83939950,4cyclictest24507-21/usr/sbin/munin08:50:140
84079941,2cyclictest16805-21users08:30:193
83989944,0cyclictest0-21swapper/107:23:231
83989943,1cyclictest18149-21chrt07:25:191
83989942,1cyclictest0-21swapper/107:42:201
83989940,1cyclictest0-21swapper/108:45:121
83989940,1cyclictest0-21swapper/108:24:551
83989940,1cyclictest0-21swapper/107:10:121
83989940,0cyclictest0-21swapper/109:00:021
83989931,1cyclictest0-21swapper/108:50:101
83989931,1cyclictest0-21swapper/108:05:111
83989930,2cyclictest0-21swapper/107:50:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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