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2025-12-31 - 18:15
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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 Dec 31, 2025 12:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11532200161,26sleep30-21swapper/307:09:233
10332199162,24sleep20-21swapper/207:07:492
10322199163,23sleep10-21swapper/107:07:481
12042198159,26sleep00-21swapper/007:10:000
36242110,0sleep20-21swapper/211:45:142
319992110,1sleep10-21swapper/111:35:201
129799118,1cyclictest28-21ksoftirqd/210:44:552
128399119,1cyclictest9-21ksoftirqd/007:45:000
1283991110,1cyclictest9-21ksoftirqd/011:35:000
1297991010,0cyclictest0-21swapper/210:10:222
129199100,9cyclictest0-21swapper/108:40:141
129199100,2cyclictest0-21swapper/112:25:151
128399103,3cyclictest5766-21latency_hist09:35:000
13059997,1cyclictest35-21ksoftirqd/311:00:003
12979998,1cyclictest28-21ksoftirqd/211:03:332
12979990,8cyclictest61650irq/122-eno109:32:562
12979990,3cyclictest0-21swapper/208:15:122
12919990,6cyclictest0-21swapper/109:49:201
12919990,1cyclictest0-21swapper/108:05:261
12839998,1cyclictest9-21ksoftirqd/007:40:000
12839990,5cyclictest570-21nscd12:20:190
12839990,1cyclictest240-21systemd-journal08:20:000
13059986,1cyclictest7900-21cat10:45:143
13059986,1cyclictest707-21snmpd11:01:283
13059986,1cyclictest707-21snmpd10:20:123
13059986,1cyclictest707-21snmpd08:19:003
13059986,1cyclictest707-21snmpd07:56:593
13059986,1cyclictest707-21snmpd07:40:293
13059984,2cyclictest548-21systemd-logind09:49:083
13059984,2cyclictest240-21systemd-journal11:40:003
13059981,4cyclictest18817-21apt-get11:10:133
12979986,1cyclictest707-21snmpd11:24:172
12979986,1cyclictest707-21snmpd10:56:192
12979986,1cyclictest61650irq/122-eno112:30:132
12979986,1cyclictest61650irq/122-eno111:40:002
12919981,1cyclictest0-21swapper/109:20:341
12839986,1cyclictest707-21snmpd11:22:260
12839986,1cyclictest707-21snmpd10:59:460
12839986,1cyclictest707-21snmpd10:08:420
12839986,1cyclictest707-21snmpd09:49:290
12839986,1cyclictest707-21snmpd08:13:180
12839986,1cyclictest707-21snmpd08:03:290
12839986,1cyclictest707-21snmpd07:34:230
12839986,1cyclictest707-21snmpd07:29:370
12839986,1cyclictest707-21snmpd07:16:220
12839984,3cyclictest4371-21turbostat10:40:000
12839983,4cyclictest0-21swapper/012:30:150
12839983,4cyclictest0-21swapper/011:35:190
12839983,3cyclictest1242-21/usr/sbin/munin09:25:200
12839980,7cyclictest0-21swapper/009:40:000
12839980,5cyclictest3616-21munin-node07:15:000
12839980,4cyclictest0-21swapper/007:55:100
13059976,1cyclictest707-21snmpd10:16:153
13059976,1cyclictest3899-21cat08:20:153
13059976,1cyclictest35-21ksoftirqd/309:55:003
13059975,1cyclictest707-21snmpd12:01:423
13059975,1cyclictest707-21snmpd11:32:233
13059975,1cyclictest707-21snmpd11:19:113
13059975,1cyclictest707-21snmpd10:31:133
13059975,1cyclictest707-21snmpd10:27:483
13059975,1cyclictest707-21snmpd08:40:033
13059975,1cyclictest707-21snmpd07:51:413
13059975,1cyclictest21209-21cat10:05:153
13059974,1cyclictest240-21systemd-journal12:34:553
13059973,1cyclictest9182-21latency_hist07:25:013
13059971,4cyclictest17145-21apt-get08:50:103
13059970,6cyclictest27750-21ntpq09:10:213
13059970,6cyclictest0-21swapper/310:35:013
12979976,1cyclictest707-21snmpd10:52:222
12979976,1cyclictest707-21snmpd08:40:272
12979976,1cyclictest707-21snmpd08:28:092
12979976,1cyclictest61650irq/122-eno110:00:182
12979976,1cyclictest61650irq/122-eno109:45:132
12979976,1cyclictest61650irq/122-eno108:10:102
12979975,2cyclictest61650irq/122-eno110:35:172
12979975,1cyclictest707-21snmpd10:21:302
12979975,1cyclictest707-21snmpd08:38:242
12979975,1cyclictest61650irq/122-eno109:25:162
12979975,0cyclictest61650irq/122-eno109:20:012
12979970,1cyclictest0-21swapper/211:33:292
12979970,1cyclictest0-21swapper/207:42:052
12919971,4cyclictest0-21swapper/111:30:161
12919970,6cyclictest0-21swapper/109:43:051
12839976,1cyclictest9-21ksoftirqd/010:43:160
12839975,1cyclictest707-21snmpd12:03:420
12839975,1cyclictest707-21snmpd10:17:090
12839975,1cyclictest707-21snmpd10:00:000
12839975,1cyclictest707-21snmpd08:47:100
12839975,1cyclictest707-21snmpd07:45:380
12839971,6cyclictest15410-21sed09:55:000
12839971,6cyclictest0-21swapper/012:19:010
12839970,6cyclictest3652-21munin-node10:00:550
12839970,6cyclictest23288-21munin-run11:20:000
12839970,6cyclictest18353-21cut08:50:160
12839970,6cyclictest16567-21cut11:05:130
12839970,6cyclictest12246-21perf08:40:000
12839970,6cyclictest0-21swapper/009:40:180
12839970,4cyclictest0-21swapper/009:15:330
12839970,3cyclictest19021-21egrep11:10:150
12839970,2cyclictest0-21swapper/011:50:120
12839970,1cyclictest9217-21latency_hist07:25:010
12839970,1cyclictest143912sleep012:06:340
13059965,1cyclictest7123-21ntpq09:35:183
13059965,1cyclictest707-21snmpd08:55:103
13059965,1cyclictest35-21ksoftirqd/309:06:333
13059965,1cyclictest35-21ksoftirqd/307:20:013
13059965,1cyclictest32188-21cat09:20:163
13059964,1cyclictest747-21apt-get11:40:123
13059964,1cyclictest707-21snmpd09:27:173
13059964,1cyclictest707-21snmpd07:31:523
13059964,1cyclictest707-21snmpd07:27:223
13059964,1cyclictest559-21cron09:19:553
13059964,1cyclictest35-21ksoftirqd/312:25:143
13059963,1cyclictest548-21systemd-logind12:07:083
13059963,1cyclictest240-21systemd-journal07:15:003
13059961,3cyclictest3608-21apt-get09:30:133
13059960,2cyclictest0-21swapper/309:00:163
13059960,0cyclictest0-21swapper/311:25:133
12979966,0cyclictest61650irq/122-eno111:43:332
12979966,0cyclictest61650irq/122-eno111:17:062
12979966,0cyclictest61650irq/122-eno111:07:442
12979966,0cyclictest61650irq/122-eno110:18:132
12979966,0cyclictest61650irq/122-eno110:09:102
12979966,0cyclictest61650irq/122-eno109:55:132
12979966,0cyclictest61650irq/122-eno109:52:472
12979966,0cyclictest61650irq/122-eno109:40:512
12979966,0cyclictest61650irq/122-eno109:01:422
12979966,0cyclictest61650irq/122-eno108:05:152
12979966,0cyclictest61650irq/122-eno107:57:172
12979966,0cyclictest61650irq/122-eno107:52:222
12979966,0cyclictest61650irq/122-eno107:45:112
12979966,0cyclictest61650irq/122-eno107:28:002
12979966,0cyclictest61650irq/122-eno107:10:382
12979965,1cyclictest707-21snmpd12:22:432
12979965,1cyclictest61650irq/122-eno112:15:162
12979965,1cyclictest61650irq/122-eno108:55:132
12979965,1cyclictest61650irq/122-eno108:30:202
12979965,1cyclictest27859-21ntpq12:35:202
12979964,1cyclictest707-21snmpd11:10:322
12979964,1cyclictest61650irq/122-eno111:50:152
12979964,1cyclictest61650irq/122-eno111:25:222
12979964,1cyclictest61650irq/122-eno107:35:192
12979964,1cyclictest24102-21cron12:30:002
12979961,3cyclictest14797-21apt-get08:45:132
12979961,2cyclictest0-21swapper/207:30:132
12979960,6cyclictest0-21swapper/207:20:192
12979960,3cyclictest0-21swapper/210:45:102
12979960,1cyclictest0-21swapper/211:55:132
12979960,1cyclictest0-21swapper/209:35:162
12979960,0cyclictest0-21swapper/208:21:132
12919963,1cyclictest0-21swapper/111:05:131
12919960,6cyclictest0-21swapper/112:30:281
12919960,6cyclictest0-21swapper/112:21:191
12919960,6cyclictest0-21swapper/111:12:411
12919960,6cyclictest0-21swapper/110:39:311
12919960,6cyclictest0-21swapper/110:24:571
12919960,6cyclictest0-21swapper/109:36:021
12919960,6cyclictest0-21swapper/108:55:241
12919960,6cyclictest0-21swapper/107:52:231
12919960,6cyclictest0-21swapper/107:45:081
12919960,6cyclictest0-21swapper/107:42:591
12919960,6cyclictest0-21swapper/107:37:291
12919960,5cyclictest0-21swapper/110:46:431
12919960,1cyclictest0-21swapper/110:33:221
12919960,0cyclictest0-21swapper/108:31:451
12839965,1cyclictest9-21ksoftirqd/008:23:000
12839964,1cyclictest9-21ksoftirqd/011:40:110
12839964,1cyclictest707-21snmpd12:13:180
12839964,1cyclictest707-21snmpd09:02:100
12839962,4cyclictest733-21sshd11:29:330
12839960,6cyclictest0-21swapper/010:20:060
12839960,6cyclictest0-21swapper/008:40:140
12839960,6cyclictest0-21swapper/008:28:270
12839960,6cyclictest0-21swapper/007:50:510
12839960,5cyclictest4391-21ps11:45:180
12839960,5cyclictest0-21swapper/010:50:110
12839960,5cyclictest0-21swapper/010:30:130
12839960,5cyclictest0-21swapper/008:55:190
12839960,3cyclictest0-21swapper/008:30:120
12839960,2cyclictest0-21swapper/012:25:120
12839960,0cyclictest0-21swapper/011:58:570
12839960,0cyclictest0-21swapper/011:00:300
12839960,0cyclictest0-21swapper/010:45:570
12839960,0cyclictest0-21swapper/010:25:120
12839960,0cyclictest0-21swapper/010:11:480
12839960,0cyclictest0-21swapper/009:20:530
12839960,0cyclictest0-21swapper/009:10:210
13059955,0cyclictest3651-21kworker/3:208:25:463
13059955,0cyclictest3525-21kworker/3:110:40:063
13059955,0cyclictest3525-21kworker/3:109:44:063
13059955,0cyclictest18342-21kworker/3:211:47:153
13059954,1cyclictest707-21snmpd09:55:593
13059954,1cyclictest35-21ksoftirqd/311:25:003
13059954,1cyclictest35-21ksoftirqd/307:35:113
13059954,1cyclictest25986-21apt-get08:00:123
13059954,1cyclictest0-21swapper/312:10:183
13059953,1cyclictest14950-21tail08:45:143
13059951,3cyclictest11227-21ntp_states08:35:183
13059951,2cyclictest8328-21df_inode11:55:153
13059951,2cyclictest7580-21cron11:55:003
13059950,2cyclictest0-21swapper/310:10:133
13059950,1cyclictest30684-21/usr/sbin/munin08:10:163
13059950,1cyclictest26696-21apt-get12:35:143
13059950,0cyclictest0-21swapper/307:45:153
12979955,0cyclictest61650irq/122-eno109:15:152
12979955,0cyclictest61650irq/122-eno109:11:222
12979955,0cyclictest61650irq/122-eno108:00:132
12979955,0cyclictest61650irq/122-eno107:18:032
12979954,1cyclictest30890-21ntpq10:25:182
12979953,1cyclictest25158-21cut09:05:152
12979952,2cyclictest11880-21grep12:00:192
12979951,4cyclictest0-21swapper/208:50:102
12979951,0cyclictest0-21swapper/210:30:202
12979950,5cyclictest0-21swapper/212:10:172
12979950,4cyclictest12549-21/usr/sbin/munin12:05:172
12919955,0cyclictest0-21swapper/112:11:061
12919955,0cyclictest0-21swapper/112:02:431
12919955,0cyclictest0-21swapper/111:50:211
12919955,0cyclictest0-21swapper/109:51:011
12919955,0cyclictest0-21swapper/109:05:471
12919951,2cyclictest0-21swapper/107:55:101
12919950,5cyclictest0-21swapper/112:05:151
12919950,5cyclictest0-21swapper/111:55:391
12919950,5cyclictest0-21swapper/111:46:211
12919950,5cyclictest0-21swapper/110:29:031
12919950,5cyclictest0-21swapper/110:14:151
12919950,5cyclictest0-21swapper/110:02:451
12919950,5cyclictest0-21swapper/109:16:281
12919950,5cyclictest0-21swapper/109:13:431
12919950,5cyclictest0-21swapper/108:51:281
12919950,3cyclictest0-21swapper/111:15:141
12919950,1cyclictest0-21swapper/111:40:121
12919950,1cyclictest0-21swapper/108:00:121
12919950,0cyclictest0-21swapper/109:25:131
12919950,0cyclictest0-21swapper/108:48:151
12919950,0cyclictest0-21swapper/107:33:301
12839951,3cyclictest28336-21/usr/sbin/munin08:05:140
12839950,5cyclictest0-21swapper/009:05:140
12839950,4cyclictest26691-21/usr/sbin/munin12:35:150
13059944,0cyclictest21032-21sensors12:20:183
13059943,1cyclictest19368-21sensors10:00:203
13059942,1cyclictest7469-21cron08:30:003
13059942,1cyclictest10797-21switchtime10:50:203
13059941,1cyclictest0-21swapper/312:15:083
13059940,3cyclictest28339-21apt-get08:05:123
13059940,3cyclictest16457-21/usr/sbin/munin11:05:153
12919944,0cyclictest0-21swapper/109:32:431
12919944,0cyclictest0-21swapper/107:25:081
12919943,1cyclictest111292sleep110:50:261
12919940,4cyclictest0-21swapper/108:16:121
12919940,3cyclictest7386-21taskset08:28:571
12919940,3cyclictest0-21swapper/111:20:131
12919940,3cyclictest0-21swapper/110:05:121
12919940,3cyclictest0-21swapper/107:20:111
12919940,2cyclictest0-21swapper/111:25:171
12919940,2cyclictest0-21swapper/111:00:121
12919940,2cyclictest0-21swapper/107:15:151
12919940,1cyclictest0-21swapper/112:35:171
12919940,1cyclictest0-21swapper/110:40:111
12919940,1cyclictest0-21swapper/109:00:151
12919940,1cyclictest0-21swapper/107:10:141
12919940,0cyclictest0-21swapper/110:15:191
12919940,0cyclictest0-21swapper/108:35:121
12919931,1cyclictest0-21swapper/110:55:141
12919931,1cyclictest0-21swapper/108:10:101
12919930,3cyclictest0-21swapper/112:17:521
12919930,2cyclictest0-21swapper/108:20:111
12919930,1cyclictest0-21swapper/109:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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