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2026-05-12 - 12:00
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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 Tue May 12, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31842231157,58sleep20-21swapper/219:08:562
31252216151,21sleep00-21swapper/019:08:080
32642209159,25sleep30-21swapper/319:09:563
11492203159,26sleep10-21swapper/119:05:041
73372760,0sleep10-21swapper/119:15:151
59462710,1sleep25948-21idleruntime23:30:162
139242610,0sleep30-21swapper/321:30:453
150732160,0sleep015075-21pmu-power00:25:200
337399119,1cyclictest7234-21cron22:54:553
337399118,1cyclictest35-21ksoftirqd/320:35:003
336799110,8cyclictest23530-21snmpd22:52:012
335499119,1cyclictest9-21ksoftirqd/022:59:590
335499119,1cyclictest9-21ksoftirqd/022:45:000
335499113,4cyclictest28475-21cut21:09:590
3354991110,1cyclictest9-21ksoftirqd/023:05:010
337399108,1cyclictest35-21ksoftirqd/322:40:153
337399108,1cyclictest35-21ksoftirqd/321:05:003
335499109,1cyclictest9-21ksoftirqd/023:15:000
335499109,1cyclictest9-21ksoftirqd/000:10:010
335499100,5cyclictest8740-21pluginstate19:20:000
228302100,0sleep10-21swapper/120:55:191
33599990,3cyclictest0-21swapper/122:04:061
33549998,1cyclictest9-21ksoftirqd/000:00:000
33549991,5cyclictest18750-21apt-get23:05:120
33549990,7cyclictest240-21systemd-journal23:18:080
33739986,1cyclictest23530-21snmpd22:18:033
33739986,1cyclictest23530-21snmpd22:09:393
33739986,1cyclictest23530-21snmpd21:49:443
33739986,1cyclictest23530-21snmpd19:54:223
33739986,1cyclictest23530-21snmpd19:35:283
33739981,4cyclictest13755-21nscd19:25:123
33739980,7cyclictest0-21swapper/320:36:333
33739980,4cyclictest0-21swapper/300:10:123
33679986,1cyclictest61650irq/122-eno123:55:122
33679986,1cyclictest61650irq/122-eno123:50:112
33679986,1cyclictest61650irq/122-eno122:45:192
33679986,1cyclictest61650irq/122-eno120:15:182
33679986,1cyclictest61650irq/122-eno100:25:162
33679986,1cyclictest23530-21snmpd21:43:022
33679986,1cyclictest23530-21snmpd19:25:122
33679983,3cyclictest23433-21aten_r1power_po19:50:132
33549987,1cyclictest9-21ksoftirqd/023:55:000
33549987,1cyclictest9-21ksoftirqd/023:35:000
33549987,1cyclictest9-21ksoftirqd/021:20:010
33549986,1cyclictest9-21ksoftirqd/023:30:000
33549986,1cyclictest3987-21timerwakeupswit22:00:220
33549986,1cyclictest23530-21snmpd22:05:570
33549986,1cyclictest23530-21snmpd21:38:560
33549986,1cyclictest23530-21snmpd20:40:270
33549986,1cyclictest23530-21snmpd19:33:040
33549986,1cyclictest12131-21ssh00:21:100
33549982,5cyclictest10784-21memory20:30:160
33549981,6cyclictest8310-21ssh00:15:530
33549981,4cyclictest28416-21diskmemload21:59:350
33549980,7cyclictest5703-21perf19:15:000
33549980,7cyclictest5516-21grep22:45:220
33549980,7cyclictest23600-21ssh00:36:550
33549980,4cyclictest7797-21cut21:25:000
33739977,0cyclictest35-21ksoftirqd/300:01:073
33739976,1cyclictest3800-21kworker/3:021:07:593
33739976,1cyclictest23530-21snmpd00:18:213
33739976,1cyclictest23530-21snmpd00:05:093
33739976,1cyclictest21150-21ssh23:07:043
33739976,1cyclictest1747-21ntpd20:40:583
33739975,1cyclictest23530-21snmpd23:46:293
33739975,1cyclictest23530-21snmpd23:43:353
33739975,1cyclictest23530-21snmpd23:00:043
33739975,1cyclictest23530-21snmpd20:20:203
33739975,1cyclictest23530-21snmpd19:22:033
33739975,1cyclictest23530-21snmpd00:35:413
33739975,1cyclictest1747-21ntpd20:45:583
33739975,1cyclictest1747-21ntpd20:45:583
33739975,1cyclictest10704-21ssh23:35:373
33739971,4cyclictest35-21ksoftirqd/322:49:593
33739970,3cyclictest0-21swapper/322:56:213
33739970,3cyclictest0-21swapper/321:37:403
33679976,1cyclictest61650irq/122-eno123:40:122
33679976,1cyclictest61650irq/122-eno123:14:022
33679976,1cyclictest61650irq/122-eno122:40:112
33679976,1cyclictest61650irq/122-eno122:35:152
33679976,1cyclictest61650irq/122-eno122:31:252
33679976,1cyclictest61650irq/122-eno122:10:002
33679976,1cyclictest61650irq/122-eno122:00:452
33679976,1cyclictest61650irq/122-eno121:25:122
33679976,1cyclictest23530-21snmpd23:09:252
33679976,1cyclictest23530-21snmpd21:35:052
33679976,1cyclictest1203-21cat20:10:172
33679976,0cyclictest61650irq/122-eno123:35:292
33679976,0cyclictest61650irq/122-eno123:00:182
33679976,0cyclictest61650irq/122-eno100:35:132
33679975,1cyclictest61650irq/122-eno123:25:182
33679975,1cyclictest61650irq/122-eno123:20:112
33679975,1cyclictest61650irq/122-eno121:30:192
33679975,1cyclictest61650irq/122-eno121:15:192
33679975,1cyclictest61650irq/122-eno120:35:152
33679975,1cyclictest61650irq/122-eno119:20:162
33679975,1cyclictest61650irq/122-eno100:30:132
33679975,1cyclictest61650irq/122-eno100:10:172
33679975,1cyclictest61650irq/122-eno100:07:472
33679975,1cyclictest29396-21ssh23:19:142
33679975,1cyclictest29364-21ssh00:00:282
33679975,1cyclictest23530-21snmpd20:58:072
33679975,1cyclictest0-21swapper/221:45:162
33679970,5cyclictest7769-21idleruntime-cro21:25:002
33679970,4cyclictest13324-21seq22:56:092
33679970,1cyclictest0-21swapper/222:28:462
33599971,6cyclictest0-21swapper/123:45:291
33599970,6cyclictest0-21swapper/120:20:151
33599970,4cyclictest0-21swapper/123:40:191
33599970,4cyclictest0-21swapper/122:34:331
33599970,4cyclictest0-21swapper/100:11:331
33599970,2cyclictest0-21swapper/121:30:111
33549976,1cyclictest9-21ksoftirqd/021:00:000
33549976,1cyclictest733-21sshd20:47:370
33549976,1cyclictest733-21sshd20:47:370
33549975,1cyclictest9-21ksoftirqd/019:25:000
33549975,1cyclictest9-21ksoftirqd/000:15:000
33549975,1cyclictest32009-21ssh23:20:590
33549975,1cyclictest23530-21snmpd22:31:490
33549975,1cyclictest23530-21snmpd20:12:350
33549975,1cyclictest23530-21snmpd20:02:350
33549975,1cyclictest23530-21snmpd19:45:580
33549974,1cyclictest9-21ksoftirqd/023:35:010
33549973,2cyclictest240-21systemd-journal19:30:010
33549973,1cyclictest240-21systemd-journal22:10:010
33549970,6cyclictest30301-21users22:35:230
33549970,6cyclictest30070-21ssh21:53:450
33549970,6cyclictest29527-21ssh00:00:570
33549970,6cyclictest23304-21ssh21:45:050
33549970,6cyclictest18058-21ssh00:30:140
33549970,6cyclictest15275-21ssh21:34:190
33549970,6cyclictest0-21swapper/022:15:110
33549970,6cyclictest0-21swapper/021:41:420
33549970,6cyclictest0-21swapper/021:25:110
33549970,4cyclictest20591-21latency_hist19:45:010
33549970,1cyclictest30071-21mailstats21:10:220
33549970,1cyclictest26699-21missed_timers19:55:170
33549970,1cyclictest18412-21ssh23:46:130
33549970,1cyclictest0-21swapper/022:50:190
33549970,1cyclictest0-21swapper/021:00:320
33739965,1cyclictest430-21ssh21:55:363
33739965,1cyclictest3996-21ssh23:27:473
33739965,1cyclictest30281-21ssh21:54:203
33739965,1cyclictest28471-21ssh22:35:053
33739965,1cyclictest28192-21ssh23:15:483
33739965,1cyclictest23530-21snmpd19:19:163
33739965,1cyclictest23530-21snmpd00:26:583
33739965,1cyclictest23416-21cat23:10:153
33739965,1cyclictest23204-21ssh23:54:113
33739965,1cyclictest22963-21ssh21:44:473
33739965,1cyclictest21010-21ssh22:25:043
33739965,1cyclictest20224-21ssh00:32:543
33739965,0cyclictest28416-21diskmemload23:58:503
33739964,1cyclictest23530-21snmpd19:41:133
33739964,1cyclictest12321-21ssh00:21:403
33739964,1cyclictest10986-21ssh21:28:163
33739963,1cyclictest31151-21ssh21:12:073
33739962,3cyclictest6287-21ntp_states23:30:183
33739962,1cyclictest28985-21/usr/sbin/munin20:00:163
33739962,0cyclictest28416-21diskmemload22:34:083
33739961,1cyclictest30615-21ssh23:20:133
33739960,4cyclictest0-21swapper/321:18:363
33739960,3cyclictest0-21swapper/322:11:543
33739960,3cyclictest0-21swapper/321:21:293
33739960,2cyclictest32754-21/usr/sbin/munin20:10:213
33739960,0cyclictest0-21swapper/319:45:123
33679966,0cyclictest61650irq/122-eno123:45:122
33679966,0cyclictest61650irq/122-eno122:20:052
33679966,0cyclictest61650irq/122-eno122:10:292
33679966,0cyclictest61650irq/122-eno121:55:052
33679966,0cyclictest61650irq/122-eno121:50:102
33679966,0cyclictest61650irq/122-eno121:10:202
33679966,0cyclictest61650irq/122-eno120:50:152
33679966,0cyclictest61650irq/122-eno120:41:262
33679966,0cyclictest61650irq/122-eno119:55:032
33679966,0cyclictest61650irq/122-eno119:37:312
33679966,0cyclictest61650irq/122-eno100:20:232
33679966,0cyclictest61650irq/122-eno100:15:192
33679964,1cyclictest61650irq/122-eno121:05:202
33679963,0cyclictest8460-21missed_timers20:25:182
33679961,1cyclictest0-21swapper/219:15:112
33679960,6cyclictest0-21swapper/222:17:152
33679960,6cyclictest0-21swapper/221:00:222
33679960,1cyclictest0-21swapper/220:20:112
33679960,1cyclictest0-21swapper/220:00:112
33679960,1cyclictest0-21swapper/219:12:362
33599965,1cyclictest0-21swapper/119:11:181
33599963,3cyclictest0-21swapper/123:22:191
33599961,2cyclictest0-21swapper/121:55:151
33599960,6cyclictest0-21swapper/123:55:561
33599960,6cyclictest0-21swapper/123:34:051
33599960,6cyclictest0-21swapper/122:45:521
33599960,6cyclictest0-21swapper/122:22:371
33599960,6cyclictest0-21swapper/122:17:241
33599960,6cyclictest0-21swapper/122:10:091
33599960,6cyclictest0-21swapper/120:12:021
33599960,6cyclictest0-21swapper/119:47:291
33599960,6cyclictest0-21swapper/119:43:491
33599960,6cyclictest0-21swapper/100:38:391
33599960,6cyclictest0-21swapper/100:07:061
33599960,5cyclictest0-21swapper/123:00:371
33599960,5cyclictest0-21swapper/120:08:271
33599960,4cyclictest0-21swapper/123:12:381
33599960,4cyclictest0-21swapper/122:35:181
33599960,4cyclictest0-21swapper/121:45:041
33599960,4cyclictest0-21swapper/121:20:531
33599960,4cyclictest0-21swapper/100:25:141
33599960,4cyclictest0-21swapper/100:18:191
33599960,3cyclictest0-21swapper/122:40:111
33599960,3cyclictest0-21swapper/121:17:051
33599960,1cyclictest0-21swapper/121:38:111
33599960,1cyclictest0-21swapper/119:25:111
33599960,1cyclictest0-21swapper/119:24:031
33599960,0cyclictest0-21swapper/100:33:381
33549965,1cyclictest9-21ksoftirqd/019:50:000
33549964,1cyclictest9-21ksoftirqd/020:05:130
33549964,1cyclictest8317-21cat20:25:150
33549960,6cyclictest0-21swapper/023:40:250
33549960,5cyclictest21023-21ssh22:25:060
33549960,0cyclictest0-21swapper/022:20:090
33739955,0cyclictest0-21swapper/320:54:393
33739955,0cyclictest0-21swapper/319:32:553
33739954,1cyclictest2876-21ssh22:00:153
33739954,1cyclictest23530-21snmpd20:25:563
33739953,1cyclictest21732-21egrep20:55:133
33739953,1cyclictest17785-21expr22:20:123
33739950,5cyclictest0-21swapper/320:16:073
33739950,1cyclictest5745-21munin-node19:15:003
33679955,0cyclictest61650irq/122-eno120:45:152
33679955,0cyclictest61650irq/122-eno120:45:142
33679953,1cyclictest20767-21/usr/sbin/munin19:45:152
33679951,1cyclictest19179-21tail19:40:142
33679950,4cyclictest32548-21grep20:09:592
33679950,1cyclictest0-21swapper/220:30:172
33679950,1cyclictest0-21swapper/219:30:102
33599954,1cyclictest0-21swapper/120:15:141
33599954,1cyclictest0-21swapper/119:58:191
33599951,2cyclictest0-21swapper/122:55:171
33599950,5cyclictest0-21swapper/123:15:151
33599950,5cyclictest0-21swapper/122:54:581
33599950,5cyclictest0-21swapper/121:41:391
33599950,5cyclictest0-21swapper/121:26:221
33599950,5cyclictest0-21swapper/120:30:451
33599950,5cyclictest0-21swapper/119:38:261
33599950,4cyclictest0-21swapper/122:05:311
33599950,3cyclictest0-21swapper/121:50:081
33599950,2cyclictest0-21swapper/123:28:021
33599950,2cyclictest0-21swapper/123:06:181
33599950,2cyclictest0-21swapper/100:02:351
33599950,1cyclictest0-21swapper/100:22:031
33599950,0cyclictest0-21swapper/121:07:581
33549953,1cyclictest5573-21df20:20:130
33549950,4cyclictest16038-21/usr/sbin/munin19:35:150
33549950,2cyclictest0-21swapper/020:35:110
33549950,0cyclictest0-21swapper/020:50:180
33549950,0cyclictest0-21swapper/020:15:140
33739941,2cyclictest30405-21apt-get20:05:113
33739941,1cyclictest25679-21apt-get19:55:123
33599944,0cyclictest0-21swapper/119:33:301
33599941,2cyclictest0-21swapper/120:35:121
33599940,4cyclictest0-21swapper/119:50:201
33599940,3cyclictest0-21swapper/121:10:411
33599940,2cyclictest0-21swapper/122:25:131
33599940,2cyclictest0-21swapper/120:50:151
33599940,2cyclictest0-21swapper/120:40:141
33599940,1cyclictest0-21swapper/123:50:101
33599940,1cyclictest0-21swapper/123:36:261
33599940,1cyclictest0-21swapper/120:00:131
33599931,1cyclictest0-21swapper/120:45:121
33599931,1cyclictest0-21swapper/120:45:121
33599931,1cyclictest0-21swapper/120:25:111
33599930,1cyclictest0-21swapper/121:00:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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