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2025-12-06 - 08:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack9slot4.osadl.org (updated Sat Dec 06, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150911141102sleep0-21swapper/018:52:500
15177991249cyclictest0-21swapper/022:04:430
14856111675sleep0-21swapper/118:52:341
15177991144cyclictest15541-21/usr/sbin/munin20:38:350
15177991107cyclictest0-21swapper/019:47:530
15177991103cyclictest5600-21latency_hist22:17:580
15177991095cyclictest23411-21latency_hist22:47:590
151779910616cyclictest0-21swapper/020:33:140
15177991047cyclictest0-21swapper/021:27:560
15177991044cyclictest15639-21/usr/sbin/munin21:38:360
15177991038cyclictest0-21swapper/023:38:010
15177991037cyclictest0-21swapper/021:08:050
15177991033cyclictest21249-21ssh20:53:300
15177991033cyclictest12529-21aten_r9power_vo20:28:040
15177991027cyclictest0-21swapper/020:07:540
15177991017cyclictest0-21swapper/019:02:520
15177991016cyclictest32429-21ssh21:13:120
15177991013cyclictest29003-21latency_hist21:07:560
15177991013cyclictest23689-21diskmemload23:43:050
15177991013cyclictest16436-21chrt18:53:340
15177991007cyclictest0-21swapper/019:17:530
15177991004cyclictest21676-21kworker/0:120:58:100
15177991003cyclictest9191-21munin-plugin-st20:17:540
15177991003cyclictest2833-21sh23:07:590
15177991003cyclictest14512-21latency_hist22:32:590
1517799993cyclictest17062-21date20:42:550
1517799993cyclictest11376-21latency_hist21:32:560
1517799987cyclictest0-21swapper/022:48:350
1517799987cyclictest0-21swapper/019:37:530
1517799978cyclictest0-21swapper/019:42:530
1517799973cyclictest18695-21ssh23:33:310
1517799964cyclictest1216-21runrttasks19:50:020
1517799963cyclictest32273-21sh22:08:070
1517799958cyclictest0-21swapper/000:03:270
1517799958cyclictest0-21swapper/000:03:270
15177999511cyclictest15167-21cyclictest21:32:570
1517799947cyclictest0-21swapper/022:53:390
1517799947cyclictest0-21swapper/022:33:080
1517799944cyclictest26057-21latency_hist19:27:530
1517799943cyclictest6124-21cpuspeed23:13:130
1517799943cyclictest22261-21ssh21:50:120
1517799933cyclictest32362-21sh23:57:460
1517799933cyclictest304-21snmpd20:52:400
1517799933cyclictest20102-21diskmemload00:12:430
15177999312cyclictest0-21swapper/000:00:170
1517799927cyclictest0-21swapper/020:12:550
1517799923cyclictest27723-21sh21:58:520
1517799923cyclictest21438-21latency_hist19:12:530
15177999131cyclictest0-21swapper/022:39:190
1517799913cyclictest74-21mmcqd/020:18:180
1517799913cyclictest29783-21cstates22:58:150
15177999114cyclictest0-21swapper/021:43:070
1518399904cyclictest11652-21aten_r9power_vo21:33:091
1518399903cyclictest10229-21uname20:18:291
15183999022cyclictest8900-21ssh21:28:151
1517799907cyclictest0-21swapper/022:18:390
15177999016cyclictest0-21swapper/022:23:120
1518399897cyclictest0-21swapper/123:20:521
1518399895cyclictest17487-21/usr/sbin/munin21:43:081
1518399894cyclictest21694-21unixbench_singl21:48:391
1518399894cyclictest1189-21timerandwakeup23:03:431
1518399893cyclictest29943-21/usr/sbin/munin19:38:171
15183998926cyclictest23797-21dmesg21:53:191
15183998924cyclictest6615-21fschecks_time20:08:171
1517799898cyclictest0-21swapper/021:21:410
1518399888cyclictest0-21swapper/121:13:181
1518399885cyclictest480-21systemd-journal19:33:321
1518399884cyclictest7223-21/usr/sbin/munin23:13:431
1518399884cyclictest6930-21sed00:08:341
1518399883cyclictest5595-21awk20:03:291
1518399878cyclictest0-21swapper/123:25:421
1518399874cyclictest592-21ssh22:08:291
1518399874cyclictest27080-21perl22:53:221
1518399874cyclictest18117-21rm23:33:191
1518399874cyclictest15112-21fschecks_count22:33:211
1518399873cyclictest30316-21/usr/sbin/munin22:58:301
15183998724cyclictest12337-21if_can022:28:231
15183998723cyclictest15420-21fschecks_time23:28:251
1517799877cyclictest0-21swapper/019:53:250
1517799877cyclictest0-21swapper/000:21:500
1518399865cyclictest3089-21/usr/sbin/munin23:08:141
1518399864cyclictest30193-21/usr/sbin/munin22:03:341
1518399864cyclictest21246-21ntp_states20:53:301
1518399863cyclictest10049-21ssh22:23:451
15183998627cyclictest20768-21cpu22:43:111
15183998623cyclictest17066-21latency_hist20:42:551
15183998621cyclictest0-21swapper/118:58:181
15183998615cyclictest587-21fschecks_count23:58:221
1517799863cyclictest29510-21latency_hist23:53:010
6950850irq/18-mmc01518399cyclictest21:58:521
1518399858cyclictest0-21swapper/123:43:231
1518399854cyclictest21784-21/usr/sbin/munin19:13:101
1518399853cyclictest27177-21timerandwakeup19:28:301
15183998529cyclictest21697-21kworker/1:122:48:131
15183998522cyclictest31961-21sshd23:56:381
1517799859cyclictest0-21swapper/023:09:260
1517799858cyclictest0-21swapper/019:18:170
1517799853cyclictest12158-21ssh23:23:170
15177998510cyclictest0-21swapper/020:23:150
1518399848cyclictest0-21swapper/122:38:061
1518399848cyclictest0-21swapper/122:18:111
1518399848cyclictest0-21swapper/120:23:341
1518399848cyclictest0-21swapper/100:18:431
15183998433cyclictest30439-21unixbench_singl21:08:411
15183998432cyclictest916-21uname19:48:271
1518399843cyclictest15045-21ssh21:38:191
1517799848cyclictest0-21swapper/023:28:450
1518399839cyclictest0-21swapper/120:47:551
1518399838cyclictest0-21swapper/121:03:101
1518399838cyclictest0-21swapper/119:04:321
1518399838cyclictest0-21swapper/100:13:341
1518399838cyclictest0-21swapper/100:03:411
1518399838cyclictest0-21swapper/100:03:411
1518399834cyclictest20102-21diskmemload23:38:401
1518399834cyclictest20023-21basename19:08:031
15183998325cyclictest33950irq/43-eth021:18:171
1517799833cyclictest74-21mmcqd/019:03:130
1517799833cyclictest25541-21ssh21:56:070
1518399828cyclictest0-21swapper/123:48:411
1518399828cyclictest0-21swapper/120:33:151
1518399828cyclictest0-21swapper/120:28:061
1518399828cyclictest0-21swapper/120:15:121
1518399828cyclictest0-21swapper/119:52:541
1518399828cyclictest0-21swapper/119:18:281
1518399828cyclictest0-21swapper/118:53:061
1518399824cyclictest25054-21fschecks_time19:23:141
1518399824cyclictest23519-21cstates20:58:111
15183998219cyclictest0-21swapper/121:23:171
15183998210cyclictest0-21swapper/119:58:061
1517799827cyclictest0-21swapper/023:18:490
15177998222cyclictest0-21swapper/000:18:010
1518399818cyclictest0-21swapper/120:38:171
1518399818cyclictest0-21swapper/119:43:131
15183998118cyclictest0-21swapper/122:13:111
15177998011cyclictest0-21swapper/019:28:020
15177997811cyclictest0-21swapper/020:00:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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