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2026-01-05 - 14:12
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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 Jan 05, 2026 12:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
211652211174,24sleep10-21swapper/107:09:171
211942198159,26sleep30-21swapper/307:09:403
210122198160,24sleep20-21swapper/207:07:162
209332197160,24sleep00-21swapper/007:06:150
2132799140,13cyclictest0-21swapper/207:45:122
21327991210,1cyclictest28-21ksoftirqd/210:50:002
2131499124,4cyclictest20516-21sed10:29:590
2131499123,4cyclictest3271-21cat12:10:010
2131499123,4cyclictest3271-21cat12:10:000
2131499121,5cyclictest387-21perf08:39:590
2132099110,10cyclictest0-21swapper/107:45:111
2131499111,8cyclictest23698-21munin-node11:16:500
2131499108,1cyclictest9-21ksoftirqd/012:20:000
213349986,1cyclictest35-21ksoftirqd/310:50:013
213349984,3cyclictest9467-21nscd09:15:193
213349980,7cyclictest1747-21ntpd08:40:133
213279986,1cyclictest707-21snmpd10:17:402
213279986,1cyclictest61650irq/122-eno112:05:192
213279986,1cyclictest61650irq/122-eno112:05:182
213279986,1cyclictest61650irq/122-eno108:00:122
213279986,1cyclictest28-21ksoftirqd/207:55:012
213279980,7cyclictest25647-21apt-get10:40:112
213279980,4cyclictest26246-21apt-get11:50:132
213279980,1cyclictest240-21systemd-journal12:15:012
213149987,1cyclictest9-21ksoftirqd/011:05:120
213149986,1cyclictest9-21ksoftirqd/007:55:010
213149986,1cyclictest707-21snmpd11:40:240
213149986,1cyclictest707-21snmpd11:30:570
213149986,1cyclictest707-21snmpd10:21:110
213149986,1cyclictest707-21snmpd09:11:530
213149986,1cyclictest707-21snmpd09:08:410
213149986,1cyclictest707-21snmpd07:33:050
213149986,1cyclictest27511-21cstates09:35:130
213149980,6cyclictest8189-21apt-get12:20:100
213349976,1cyclictest707-21snmpd11:51:043
213349976,1cyclictest707-21snmpd11:32:403
213349976,1cyclictest707-21snmpd10:06:033
213349976,1cyclictest707-21snmpd07:56:273
213349976,1cyclictest35-21ksoftirqd/312:05:013
213349976,1cyclictest35-21ksoftirqd/308:39:593
213349976,1cyclictest24508-21cat08:20:183
213349976,1cyclictest1747-21ntpd11:25:223
213349976,1cyclictest17383-21perf12:39:593
213349975,1cyclictest707-21snmpd10:51:593
213349975,1cyclictest707-21snmpd09:20:213
213349975,1cyclictest707-21snmpd07:34:343
213349971,4cyclictest5748-21apt-get08:50:083
213349970,5cyclictest4195-21cut08:45:183
213349970,0cyclictest0-21swapper/308:15:143
213279976,1cyclictest707-21snmpd07:55:082
213279976,1cyclictest707-21snmpd07:40:212
213279976,1cyclictest61650irq/122-eno108:20:172
213279975,1cyclictest707-21snmpd09:17:342
213279975,1cyclictest28-21ksoftirqd/209:31:342
213279970,5cyclictest0-21swapper/211:30:192
213209971,6cyclictest0-21swapper/110:34:051
213209971,6cyclictest0-21swapper/109:40:421
213209970,6cyclictest0-21swapper/109:46:211
213209970,5cyclictest0-21swapper/111:55:131
213209970,5cyclictest0-21swapper/111:50:141
213209970,5cyclictest0-21swapper/110:40:161
213209970,4cyclictest0-21swapper/111:30:141
213209970,1cyclictest0-21swapper/112:35:101
213209970,1cyclictest0-21swapper/110:07:271
213209970,1cyclictest0-21swapper/108:23:521
213149977,0cyclictest9-21ksoftirqd/009:44:130
213149976,1cyclictest9-21ksoftirqd/009:50:130
213149976,1cyclictest9-21ksoftirqd/008:19:150
213149975,1cyclictest707-21snmpd10:56:510
213149975,1cyclictest707-21snmpd09:55:310
213149975,1cyclictest707-21snmpd07:14:280
213149974,2cyclictest27755-21cron10:44:590
213149973,3cyclictest6837-21cut08:50:150
213149971,6cyclictest0-21swapper/011:23:130
213149971,4cyclictest30966-21/usr/sbin/munin12:00:210
213149971,1cyclictest0-21swapper/012:28:500
213149970,6cyclictest26704-21dpkg07:20:000
213149970,6cyclictest0-21swapper/007:55:150
213149970,6cyclictest0-21swapper/007:25:140
213149970,4cyclictest26991-21sed09:34:590
213149970,4cyclictest0-21swapper/010:05:190
213149970,1cyclictest557-21irqbalance08:02:260
213149970,1cyclictest26399-21aten_r1power_vo11:50:140
213149970,1cyclictest17355-21cron12:40:000
213349965,1cyclictest707-21snmpd12:11:313
213349965,1cyclictest707-21snmpd11:45:523
213349965,1cyclictest707-21snmpd10:58:053
213349965,1cyclictest707-21snmpd10:36:083
213349965,1cyclictest707-21snmpd10:02:423
213349965,1cyclictest707-21snmpd09:12:233
213349965,1cyclictest707-21snmpd07:53:423
213349965,1cyclictest6685-21cat12:15:153
213349965,1cyclictest35-21ksoftirqd/310:00:003
213349965,1cyclictest35-21ksoftirqd/309:05:003
213349965,1cyclictest35-21ksoftirqd/307:15:013
213349965,1cyclictest20031-21cat11:35:163
213349965,1cyclictest16882-21cat10:20:173
213349965,1cyclictest1249-21sshd09:45:353
213349965,1cyclictest11698-21ntpq12:25:183
213349964,2cyclictest1747-21ntpd08:05:353
213349964,1cyclictest707-21snmpd08:27:493
213349964,1cyclictest31203-21unixbench_multi09:40:193
213349963,1cyclictest240-21systemd-journal11:15:003
213349962,1cyclictest22047-21/usr/sbin/munin11:40:153
213349961,1cyclictest4111-21apt-get07:39:593
213349960,6cyclictest14900-21sshd09:09:353
213349960,6cyclictest11278-21apt-get10:10:123
213349960,4cyclictest0-21swapper/311:20:143
213349960,3cyclictest0-21swapper/311:05:223
213349960,3cyclictest0-21swapper/308:00:113
213349960,1cyclictest240-21systemd-journal07:49:543
213279966,0cyclictest61650irq/122-eno112:35:132
213279966,0cyclictest61650irq/122-eno112:30:222
213279966,0cyclictest61650irq/122-eno112:16:542
213279966,0cyclictest61650irq/122-eno112:01:092
213279966,0cyclictest61650irq/122-eno111:45:052
213279966,0cyclictest61650irq/122-eno111:28:532
213279966,0cyclictest61650irq/122-eno111:05:352
213279966,0cyclictest61650irq/122-eno111:00:202
213279966,0cyclictest61650irq/122-eno110:55:412
213279966,0cyclictest61650irq/122-eno110:50:182
213279966,0cyclictest61650irq/122-eno110:38:492
213279966,0cyclictest61650irq/122-eno110:31:452
213279966,0cyclictest61650irq/122-eno110:25:152
213279966,0cyclictest61650irq/122-eno110:07:572
213279966,0cyclictest61650irq/122-eno109:55:182
213279966,0cyclictest61650irq/122-eno109:44:432
213279966,0cyclictest61650irq/122-eno109:27:342
213279966,0cyclictest61650irq/122-eno109:20:112
213279966,0cyclictest61650irq/122-eno109:10:502
213279966,0cyclictest61650irq/122-eno109:00:162
213279966,0cyclictest61650irq/122-eno108:52:352
213279966,0cyclictest61650irq/122-eno108:46:012
213279966,0cyclictest61650irq/122-eno108:40:122
213279966,0cyclictest61650irq/122-eno108:16:502
213279966,0cyclictest61650irq/122-eno107:25:122
213279965,1cyclictest8536-21ntpq11:10:192
213279965,1cyclictest707-21snmpd12:28:472
213279965,1cyclictest707-21snmpd07:21:282
213279965,1cyclictest61650irq/122-eno108:35:142
213279965,1cyclictest29764-21ntpq11:55:182
213279965,1cyclictest28-21ksoftirqd/207:30:122
213279965,1cyclictest21509-21/usr/sbin/munin07:10:122
213279964,1cyclictest61650irq/122-eno110:00:132
213279961,5cyclictest0-21swapper/208:11:382
213279961,1cyclictest0-21swapper/209:45:132
213279960,6cyclictest0-21swapper/212:22:342
213279960,6cyclictest0-21swapper/211:24:312
213279960,6cyclictest0-21swapper/210:10:182
213279960,6cyclictest0-21swapper/209:51:012
213279960,2cyclictest19863-21cut11:35:142
213279960,2cyclictest0-21swapper/209:07:522
213209960,6cyclictest0-21swapper/112:30:381
213209960,6cyclictest0-21swapper/111:39:041
213209960,6cyclictest0-21swapper/109:33:181
213209960,6cyclictest0-21swapper/109:21:421
213209960,6cyclictest0-21swapper/109:05:131
213209960,6cyclictest0-21swapper/108:16:161
213209960,6cyclictest0-21swapper/107:57:541
213209960,6cyclictest0-21swapper/107:33:371
213209960,6cyclictest0-21swapper/107:25:071
213209960,5cyclictest0-21swapper/111:10:151
213209960,5cyclictest0-21swapper/110:20:171
213209960,4cyclictest0-21swapper/111:20:101
213209960,1cyclictest0-21swapper/108:40:121
213149965,1cyclictest9-21ksoftirqd/007:45:010
213149965,1cyclictest707-21snmpd12:10:050
213149965,1cyclictest707-21snmpd11:58:190
213149965,1cyclictest3132-21ntpq07:35:180
213149965,1cyclictest22567-21telnet09:25:110
213149965,1cyclictest20060-21ntpq08:10:180
213149964,1cyclictest707-21snmpd08:05:380
213149963,2cyclictest14962-21sendmail_mailqu10:15:210
213149960,6cyclictest0-21swapper/011:46:320
213149960,6cyclictest0-21swapper/011:03:270
213149960,6cyclictest0-21swapper/010:37:010
213149960,6cyclictest0-21swapper/010:10:200
213149960,6cyclictest0-21swapper/008:57:330
213149960,6cyclictest0-21swapper/008:44:410
213149960,6cyclictest0-21swapper/008:32:040
213149960,6cyclictest0-21swapper/007:20:160
213149960,1cyclictest6960-21aten_r1power_en07:45:130
213149960,1cyclictest10571-21taskset09:00:110
213149960,1cyclictest0-21swapper/012:33:060
213149960,1cyclictest0-21swapper/011:14:390
213149960,1cyclictest0-21swapper/009:20:110
213149960,1cyclictest0-21swapper/008:21:150
213149960,0cyclictest0-21swapper/011:35:100
213149960,0cyclictest0-21swapper/011:25:120
213149960,0cyclictest0-21swapper/010:50:270
213149960,0cyclictest0-21swapper/010:00:180
213149960,0cyclictest0-21swapper/009:16:350
213149960,0cyclictest0-21swapper/008:25:110
213349955,0cyclictest4555-21apt-get07:40:123
213349955,0cyclictest0-21swapper/309:38:313
213349954,1cyclictest707-21snmpd12:34:563
213349954,1cyclictest707-21snmpd09:50:083
213349954,1cyclictest707-21snmpd07:28:223
213349954,1cyclictest35-21ksoftirqd/310:42:003
213349954,1cyclictest35-21ksoftirqd/309:25:003
213349953,1cyclictest707-21snmpd11:11:413
213349953,1cyclictest707-21snmpd10:30:053
213349953,1cyclictest559-21cron12:20:013
213349953,1cyclictest22300-21grep07:10:163
213349952,1cyclictest240-21systemd-journal08:14:563
213349951,2cyclictest0-21swapper/311:55:103
213349950,5cyclictest0-21swapper/312:06:203
213349950,5cyclictest0-21swapper/312:06:193
213349950,3cyclictest0-21swapper/309:30:173
213349950,2cyclictest10236-21perf09:00:003
213349950,2cyclictest0-21swapper/310:25:133
213279955,0cyclictest61650irq/122-eno111:15:122
213279955,0cyclictest61650irq/122-eno108:05:122
213279955,0cyclictest61650irq/122-eno107:35:122
213279955,0cyclictest61650irq/122-eno107:16:242
213279955,0cyclictest0-21swapper/209:35:172
213279954,1cyclictest707-21snmpd08:30:002
213279954,1cyclictest61650irq/122-eno110:20:162
213279954,1cyclictest0-21swapper/208:55:122
213279953,1cyclictest26011-21head08:25:112
213279950,4cyclictest0-21swapper/211:41:212
213209953,1cyclictest23394-21chrt11:41:491
213209951,4cyclictest0-21swapper/108:13:271
213209951,4cyclictest0-21swapper/107:51:021
213209951,4cyclictest0-21swapper/107:39:481
213209951,3cyclictest0-21swapper/108:50:081
213209951,2cyclictest0-21swapper/111:00:111
213209950,5cyclictest0-21swapper/112:20:161
213209950,5cyclictest0-21swapper/112:07:111
213209950,5cyclictest0-21swapper/112:07:101
213209950,5cyclictest0-21swapper/111:47:311
213209950,5cyclictest0-21swapper/110:46:021
213209950,5cyclictest0-21swapper/107:44:171
213209950,4cyclictest0-21swapper/110:10:171
213209950,2cyclictest0-21swapper/111:15:131
213209950,2cyclictest0-21swapper/110:00:111
213149955,0cyclictest0-21swapper/010:45:110
213149950,5cyclictest0-21swapper/009:45:120
213149950,1cyclictest20707-21/usr/sbin/munin10:30:160
213149950,1cyclictest0-21swapper/008:45:010
213349942,1cyclictest3793-21ntp_kernel_pll_11:00:183
213349942,1cyclictest35-21ksoftirqd/310:15:113
213349940,3cyclictest0-21swapper/307:20:133
213349940,1cyclictest0-21swapper/308:30:173
213209942,1cyclictest0-21swapper/109:25:111
213209941,2cyclictest0-21swapper/111:25:201
213209941,2cyclictest0-21swapper/110:35:111
213209941,1cyclictest0-21swapper/110:55:131
213209941,1cyclictest0-21swapper/109:55:091
213209941,1cyclictest0-21swapper/108:35:121
213209941,1cyclictest0-21swapper/107:15:131
213209940,4cyclictest0-21swapper/110:16:341
213209940,4cyclictest0-21swapper/109:50:161
213209940,4cyclictest0-21swapper/108:46:581
213209940,4cyclictest0-21swapper/108:02:151
213209940,3cyclictest23430-21taskset07:12:371
213209940,3cyclictest0-21swapper/112:25:111
213209940,2cyclictest0-21swapper/112:10:121
213209940,1cyclictest0-21swapper/112:15:101
213209940,1cyclictest0-21swapper/111:05:191
213209940,1cyclictest0-21swapper/110:25:131
213209940,1cyclictest0-21swapper/108:55:111
213209940,1cyclictest0-21swapper/108:05:131
213209940,0cyclictest0-21swapper/112:00:201
213209940,0cyclictest0-21swapper/107:20:211
213209931,1cyclictest0-21swapper/109:10:121
213209931,1cyclictest0-21swapper/108:25:121
213209930,3cyclictest0-21swapper/110:50:111
213209930,3cyclictest0-21swapper/109:35:211
213209930,3cyclictest0-21swapper/109:00:171
213209930,1cyclictest0-21swapper/108:30:201
213209930,0cyclictest0-21swapper/109:15:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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