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2026-08-21 - 13:29
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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 Fri Aug 21, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271602203164,25sleep30-21swapper/307:09:163
271212201161,26sleep10-21swapper/107:08:461
270462201162,24sleep00-21swapper/007:07:490
269662201161,26sleep20-21swapper/207:06:462
31392690,0sleep00-21swapper/009:30:140
272292610,0sleep227232-21grep11:35:192
191032580,0sleep30-21swapper/309:52:243
86642140,0sleep30-21swapper/308:45:113
3632130,0sleep30-21swapper/310:58:443
27289991311,1cyclictest9-21ksoftirqd/011:40:000
27289991311,1cyclictest9-21ksoftirqd/008:50:010
2729199120,9cyclictest0-21swapper/212:13:132
2729199119,1cyclictest30490-21cron10:14:552
27291991110,1cyclictest28-21ksoftirqd/209:54:592
2729199111,5cyclictest4589-21apt-get11:05:102
2729199110,9cyclictest0-21swapper/209:49:192
27289991110,1cyclictest9-21ksoftirqd/011:10:000
2729199108,1cyclictest28-21ksoftirqd/208:40:012
27291991010,0cyclictest0-21swapper/212:04:432
2729199100,9cyclictest11301-21snmpd10:50:232
2729199100,2cyclictest0-21swapper/212:25:152
2728999109,1cyclictest9-21ksoftirqd/012:20:000
2728999109,1cyclictest9-21ksoftirqd/009:25:010
2728999109,1cyclictest9-21ksoftirqd/008:30:010
272999997,1cyclictest35-21ksoftirqd/309:04:593
272999992,4cyclictest23769-21apt-get10:00:103
272999990,7cyclictest0-21swapper/312:30:283
272919998,1cyclictest28-21ksoftirqd/209:30:142
272919996,2cyclictest1745-21timerandwakeup11:45:202
272919995,2cyclictest61650irq/122-eno111:12:042
272919991,6cyclictest12503-21apt-get07:45:112
272919991,4cyclictest20168-21diskmemload11:55:142
272919990,5cyclictest0-21swapper/212:15:112
272919990,4cyclictest0-21swapper/212:35:092
272919987,1cyclictest28-21ksoftirqd/208:20:102
272919986,1cyclictest6193-21hddtemp_smartct10:20:142
272919986,1cyclictest61650irq/122-eno110:40:002
272919986,1cyclictest61650irq/122-eno110:05:212
272919986,1cyclictest28-21ksoftirqd/211:20:142
272919986,1cyclictest28-21ksoftirqd/208:45:012
272919986,1cyclictest28-21ksoftirqd/208:45:002
272919986,1cyclictest11301-21snmpd10:58:272
272919986,1cyclictest11301-21snmpd07:38:182
272919986,1cyclictest11301-21snmpd07:33:042
272919984,1cyclictest240-21systemd-journal12:35:012
272919983,3cyclictest1844-21apt-get10:15:112
272919982,4cyclictest0-21swapper/210:00:112
272909988,0cyclictest0-21swapper/109:09:291
272909981,4cyclictest19639-21chrt12:11:031
272899988,0cyclictest20168-21diskmemload11:26:100
272899987,1cyclictest9-21ksoftirqd/010:44:590
272899987,1cyclictest9-21ksoftirqd/008:10:110
272899987,1cyclictest8537-21ssh09:37:090
272899987,1cyclictest25693-21ssh12:20:160
272899987,1cyclictest20551-21ssh12:13:590
272899987,1cyclictest19901-21ssh09:54:570
272899987,1cyclictest19025-21ssh10:40:000
272899986,1cyclictest31299-21sh12:29:440
272899986,1cyclictest11301-21snmpd07:30:580
272899981,1cyclictest24035-21ssh11:30:550
272899980,7cyclictest5099-21munin-run10:20:010
272899980,7cyclictest31195-21ntp_states10:55:180
272899980,7cyclictest25638-21ssh10:00:400
272899980,7cyclictest22981-21ssh09:58:280
272899980,7cyclictest20168-21diskmemload11:56:550
272899980,6cyclictest25988-21ssh09:15:550
272899980,1cyclictest5632-21cut10:20:120
272999977,0cyclictest35-21ksoftirqd/310:55:013
272999977,0cyclictest35-21ksoftirqd/310:40:013
272999976,1cyclictest35-21ksoftirqd/309:10:003
272999976,1cyclictest35-21ksoftirqd/308:09:593
272999976,1cyclictest29916-21cat08:20:133
272999976,1cyclictest25842-21ntpq12:20:183
272999976,1cyclictest20168-21diskmemload09:20:233
272999976,1cyclictest14185-21cat08:55:163
272999976,1cyclictest11301-21snmpd11:31:433
272999976,1cyclictest11301-21snmpd09:35:313
272999975,1cyclictest35-21ksoftirqd/307:30:003
272999975,1cyclictest11301-21snmpd12:18:593
272999975,1cyclictest11301-21snmpd11:56:103
272999975,1cyclictest11301-21snmpd11:16:493
272999975,1cyclictest11301-21snmpd07:22:283
272999975,1cyclictest11021-21cat07:40:143
272999975,0cyclictest20168-21diskmemload10:05:053
272999974,1cyclictest20168-21diskmemload09:25:063
272999970,6cyclictest29659-21munin-node09:57:023
272999970,6cyclictest20168-21diskmemload09:45:543
272999970,4cyclictest2593-21head10:15:143
272999970,1cyclictest0-21swapper/312:27:443
272919976,1cyclictest61650irq/122-eno111:15:512
272919976,1cyclictest61650irq/122-eno110:25:172
272919976,1cyclictest61650irq/122-eno109:25:132
272919976,1cyclictest28-21ksoftirqd/207:25:002
272919975,1cyclictest61650irq/122-eno109:55:152
272919975,1cyclictest28-21ksoftirqd/210:35:012
272919975,1cyclictest28-21ksoftirqd/209:09:592
272919975,1cyclictest28-21ksoftirqd/208:49:562
272919975,1cyclictest28-21ksoftirqd/207:15:002
272919975,1cyclictest20515-21ntpq10:40:182
272919975,1cyclictest11301-21snmpd11:32:542
272919974,2cyclictest1084-21apt-get11:00:102
272919970,6cyclictest0-21swapper/208:07:162
272919970,5cyclictest11301-21snmpd09:41:242
272919970,5cyclictest0-21swapper/211:44:432
272919970,1cyclictest0-21swapper/208:29:352
272909971,5cyclictest0-21swapper/111:45:131
272909970,2cyclictest0-21swapper/109:55:191
272899977,0cyclictest9-21ksoftirqd/010:05:150
272899976,1cyclictest9-21ksoftirqd/008:09:590
272899976,1cyclictest29094-21ssh11:40:090
272899976,1cyclictest14877-21ssh10:32:510
272899976,1cyclictest11301-21snmpd08:18:580
272899975,1cyclictest11301-21snmpd07:43:250
272899975,1cyclictest10667-21ssh10:25:250
272899973,1cyclictest30177-21ntp_offset08:20:150
272899971,5cyclictest31758-21telnet12:30:110
272899970,6cyclictest30488-21irqstats07:15:000
272899970,6cyclictest20168-21diskmemload12:00:240
272899970,6cyclictest20168-21diskmemload10:10:200
272899970,6cyclictest20168-21diskmemload09:46:130
272899970,6cyclictest0-21swapper/009:00:100
272899970,6cyclictest0-21swapper/007:45:190
272899970,1cyclictest4597-21ssh12:35:350
272899970,1cyclictest28964-21ssh10:52:320
272899970,1cyclictest20168-21diskmemload11:53:130
272899970,1cyclictest20168-21diskmemload11:46:110
272899970,1cyclictest20168-21diskmemload11:20:110
272899970,1cyclictest20168-21diskmemload10:45:560
272899970,1cyclictest1594-21df11:00:120
272899970,1cyclictest13910-21ssh11:17:090
272899970,1cyclictest11707-21ssh09:41:000
272899970,1cyclictest0-21swapper/011:10:080
272899970,1cyclictest0-21swapper/009:25:130
272899970,1cyclictest0-21swapper/009:11:430
272899970,1cyclictest0-21swapper/008:35:000
272999966,0cyclictest35-21ksoftirqd/307:50:013
272999966,0cyclictest29673-21kworker/3:009:30:413
272999966,0cyclictest20168-21diskmemload11:08:093
272999965,1cyclictest4669-21ssh12:35:503
272999965,1cyclictest28325-21kworker/3:111:00:143
272999965,1cyclictest25457-21ntpq08:10:183
272999965,1cyclictest23923-21cat10:45:143
272999965,1cyclictest17327-21ssh11:21:483
272999965,1cyclictest16161-21ssh12:06:063
272999965,1cyclictest13083-21ssh12:02:273
272999965,1cyclictest11301-21snmpd11:26:403
272999965,1cyclictest11301-21snmpd10:21:293
272999965,1cyclictest11301-21snmpd08:43:063
272999965,1cyclictest11301-21snmpd08:43:063
272999965,1cyclictest11301-21snmpd07:11:033
272999963,1cyclictest28390-21ssh11:38:423
272999961,4cyclictest20168-21diskmemload11:50:093
272999961,4cyclictest0-21swapper/310:40:203
272999961,3cyclictest20168-21diskmemload11:41:413
272999961,3cyclictest0-21swapper/310:30:213
272999961,2cyclictest25386-21rt-features09:15:193
272999961,2cyclictest0-21swapper/307:30:093
272999961,1cyclictest0-21swapper/312:11:573
272999960,4cyclictest0-21swapper/311:47:173
272999960,4cyclictest0-21swapper/309:13:193
272999960,3cyclictest1-21systemd08:15:123
272999960,2cyclictest0-21swapper/310:27:523
272999960,0cyclictest0-21swapper/309:40:223
272919966,0cyclictest61650irq/122-eno111:50:012
272919966,0cyclictest61650irq/122-eno111:25:072
272919966,0cyclictest61650irq/122-eno109:20:092
272919966,0cyclictest61650irq/122-eno109:16:022
272919966,0cyclictest61650irq/122-eno108:55:162
272919966,0cyclictest61650irq/122-eno108:52:472
272919966,0cyclictest61650irq/122-eno108:30:112
272919966,0cyclictest61650irq/122-eno108:17:162
272919965,1cyclictest61650irq/122-eno110:45:012
272919965,1cyclictest25857-21ntpq12:20:172
272919964,2cyclictest0-21swapper/207:40:112
272919964,1cyclictest61650irq/122-eno109:35:102
272919964,1cyclictest61650irq/122-eno108:10:162
272919964,1cyclictest61650irq/122-eno107:25:192
272919964,1cyclictest28-21ksoftirqd/209:00:152
272919964,1cyclictest28-21ksoftirqd/207:55:152
272919960,6cyclictest0-21swapper/208:01:532
272919960,4cyclictest22035-21swap09:10:182
272919960,3cyclictest0-21swapper/212:05:062
272909960,6cyclictest0-21swapper/110:20:241
272909960,5cyclictest0-21swapper/112:30:141
272909960,5cyclictest0-21swapper/109:25:161
272909960,4cyclictest0-21swapper/112:20:121
272909960,4cyclictest0-21swapper/111:15:181
272909960,3cyclictest0-21swapper/110:15:131
272909960,3cyclictest0-21swapper/110:00:101
272909960,3cyclictest0-21swapper/108:35:121
272909960,2cyclictest0-21swapper/109:40:011
272909960,2cyclictest0-21swapper/107:15:101
272909960,1cyclictest0-21swapper/110:55:111
272909960,1cyclictest0-21swapper/110:50:571
272909960,0cyclictest0-21swapper/112:27:451
272909960,0cyclictest0-21swapper/111:55:141
272909960,0cyclictest0-21swapper/111:51:231
272909960,0cyclictest0-21swapper/111:34:311
272909960,0cyclictest0-21swapper/111:07:351
272909960,0cyclictest0-21swapper/110:46:411
272909960,0cyclictest0-21swapper/110:07:271
272909960,0cyclictest0-21swapper/109:20:431
272909960,0cyclictest0-21swapper/108:41:031
272909960,0cyclictest0-21swapper/108:41:021
272899965,1cyclictest9-21ksoftirqd/008:35:190
272899965,1cyclictest11301-21snmpd08:41:090
272899965,1cyclictest11301-21snmpd08:41:080
272899960,6cyclictest0-21swapper/012:07:050
272899960,6cyclictest0-21swapper/009:06:540
272899960,6cyclictest0-21swapper/008:55:470
272899960,6cyclictest0-21swapper/008:03:240
272899960,6cyclictest0-21swapper/007:25:120
272899960,6cyclictest0-21swapper/007:22:040
272899960,6cyclictest0-21swapper/007:10:140
272899960,5cyclictest0-21swapper/007:55:120
272899960,0cyclictest0-21swapper/008:50:200
272899960,0cyclictest0-21swapper/007:50:040
272899960,0cyclictest0-21swapper/007:38:530
272999955,0cyclictest16256-21sensors07:50:193
272999954,1cyclictest35-21ksoftirqd/307:37:443
272999954,1cyclictest11301-21snmpd08:51:063
272999950,4cyclictest30772-21/usr/sbin/munin10:10:153
272999950,4cyclictest1308-21apt08:30:113
272999950,2cyclictest8075-21/usr/sbin/munin11:10:103
272999950,2cyclictest240-21systemd-journal08:30:013
272999950,2cyclictest0-21swapper/308:35:123
272999950,1cyclictest19581-21/usr/sbin/munin08:00:173
272919955,0cyclictest61650irq/122-eno107:10:112
272919954,1cyclictest16015-21ntpq07:50:162
272909955,0cyclictest0-21swapper/112:19:261
272909951,1cyclictest0-21swapper/107:15:001
272909950,5cyclictest0-21swapper/112:38:591
272909950,5cyclictest0-21swapper/112:06:031
272909950,5cyclictest0-21swapper/112:02:501
272909950,5cyclictest0-21swapper/111:25:121
272909950,5cyclictest0-21swapper/111:00:081
272909950,5cyclictest0-21swapper/110:40:141
272909950,5cyclictest0-21swapper/110:30:131
272909950,5cyclictest0-21swapper/110:25:011
272909950,5cyclictest0-21swapper/109:12:581
272909950,5cyclictest0-21swapper/109:01:521
272909950,5cyclictest0-21swapper/108:47:181
272909950,5cyclictest0-21swapper/107:50:291
272909950,5cyclictest0-21swapper/107:45:131
272909950,5cyclictest0-21swapper/107:32:411
272909950,5cyclictest0-21swapper/107:25:101
272909950,1cyclictest0-21swapper/111:40:111
272909950,1cyclictest0-21swapper/108:20:161
272909950,0cyclictest0-21swapper/111:38:251
272909950,0cyclictest0-21swapper/111:20:181
272909950,0cyclictest0-21swapper/110:35:041
272909950,0cyclictest0-21swapper/109:48:081
272909950,0cyclictest0-21swapper/109:42:581
272909950,0cyclictest0-21swapper/109:30:341
272909950,0cyclictest0-21swapper/109:15:141
272999942,1cyclictest31108-21fschecks_count07:15:133
272999941,1cyclictest0-21swapper/307:55:123
272909944,0cyclictest0-21swapper/108:57:461
272909941,1cyclictest0-21swapper/111:10:101
272909940,4cyclictest0-21swapper/108:26:321
272909940,3cyclictest26284-21taskset08:13:371
272909940,3cyclictest0-21swapper/108:15:121
272909940,2cyclictest0-21swapper/108:50:541
272909940,2cyclictest0-21swapper/108:30:111
272909940,1cyclictest0-21swapper/110:10:131
272909940,1cyclictest0-21swapper/109:50:041
272909940,1cyclictest0-21swapper/108:05:111
272909940,1cyclictest0-21swapper/107:40:011
272909940,0cyclictest0-21swapper/107:40:081
272909940,0cyclictest0-21swapper/107:20:181
272909930,2cyclictest0-21swapper/107:59:591
272909930,2cyclictest0-21swapper/107:55:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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