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2025-11-24 - 21:17
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot8.osadl.org (updated Mon Nov 24, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
255408721240,2sleep1171rcu_preempt12:20:141
2097683993121,7cyclictest2521506-21sleep12:00:003
2097683992219,1cyclictest0-21swapper/309:55:013
209768399211,17cyclictest2265213-21sleep09:20:003
209768399209,7cyclictest23857112sleep310:35:133
2097683992017,1cyclictest0-21swapper/310:00:213
209768399201,14cyclictest2425899-21chrt11:00:013
209768399192,13cyclictest2433982-21taskset11:05:143
2097683991916,1cyclictest0-21swapper/311:50:163
2097683991916,1cyclictest0-21swapper/309:10:173
2097683991916,1cyclictest0-21swapper/309:00:003
209768399191,13cyclictest2199642-21taskset08:30:013
209768399188,7cyclictest25351152sleep312:05:223
209768399183,11cyclictest2118320-21turbostat07:25:013
2097683991815,1cyclictest0-21swapper/312:10:203
2097683991815,1cyclictest0-21swapper/312:00:143
2097683991815,1cyclictest0-21swapper/310:11:443
2097683991815,1cyclictest0-21swapper/308:40:003
2097683991814,1cyclictest0-21swapper/308:10:003
209768399181,14cyclictest2384190-21taskset10:32:113
209768399181,13cyclictest2489592-21turbostat11:40:003
209768399181,13cyclictest2423153-21taskset10:55:203
209768399181,13cyclictest2321759-21taskset09:55:133
209768399181,13cyclictest2136930-21turbostat07:40:013
209768399180,13cyclictest2150071-21taskset07:50:013
2097683991714,1cyclictest0-21swapper/309:25:013
2097683991714,1cyclictest0-21swapper/308:25:163
209768399171,13cyclictest2505321-21chrt11:49:223
209768399171,13cyclictest2471870-21chrt11:26:023
209768399171,13cyclictest2398906-21taskset10:40:213
209768399171,13cyclictest2289537-21chrt09:35:133
209768399171,13cyclictest2103581-21chrt07:12:063
209768399171,12cyclictest2561807-21chrt12:25:053
209768399171,12cyclictest2489960-21taskset11:40:113
209768399171,12cyclictest2377377-21taskset10:29:553
209768399171,12cyclictest2217614-21chrt08:40:553
209768399170,13cyclictest2289356-21chrt09:35:013
209768399166,7cyclictest23035122sleep309:41:153
2097683991614,1cyclictest0-21swapper/309:05:213
2097683991614,1cyclictest0-21swapper/309:05:013
2097683991613,1cyclictest0-21swapper/311:15:163
2097683991613,1cyclictest0-21swapper/310:15:143
2097683991613,1cyclictest0-21swapper/307:50:013
2097683991612,2cyclictest2187041-21turbostat08:20:003
209768399161,13cyclictest2276907-21chrt09:25:193
209768399161,12cyclictest2583958-21taskset12:36:233
209768399161,12cyclictest2576125-21taskset12:31:423
209768399161,12cyclictest2559804-21chrt12:20:563
209768399161,12cyclictest2551973-21taskset12:16:233
209768399161,12cyclictest2480081-21chrt11:31:313
209768399161,12cyclictest2465340-21taskset11:24:293
209768399161,12cyclictest2441883-21chrt11:10:033
209768399161,12cyclictest2441883-21chrt11:10:033
209768399161,12cyclictest2415730-21chrt10:50:313
209768399161,12cyclictest2402172-21taskset10:45:143
209768399161,12cyclictest2344332-21taskset10:07:393
209768399161,12cyclictest2311161-21taskset09:45:273
209768399161,12cyclictest2230161-21chrt08:52:533
209768399161,12cyclictest2193070-21chrt08:23:113
209768399161,12cyclictest2174856-21taskset08:10:053
209768399161,12cyclictest2161910-21taskset07:56:023
209768399161,12cyclictest2130381-21taskset07:31:463
209768399161,12cyclictest2124130-21taskset07:25:253
209768399161,12cyclictest2111826-21chrt07:16:473
209768399161,11cyclictest2224146-21turbostat08:50:003
209768399160,12cyclictest2361874-21taskset10:20:133
147598160,5rtkit-daemon2337353-21ssh10:04:570
23211162151,11sleep22321125-21cron09:55:012
209768399151,11cyclictest2168276-21taskset08:03:083
209768399150,12cyclictest2143127-21chrt07:41:443
147598140,9rtkit-daemon2171789-21cut08:05:191
25832122131,9sleep02583358-21/usr/sbin/munin12:35:250
24713772130,6sleep12471620-21unixbench_singl11:25:241
23915002131,10sleep22391508-21ssh10:35:322
23530462130,1sleep12353053-21sh10:14:191
22735002131,9sleep22273660-21/usr/sbin/munin09:25:152
22658672130,4sleep02266431-21irqrtprio09:20:160
20973382130,2sleep30-21swapper/307:07:233
147598130,3rtkit-daemon2517282-21cut11:55:192
25792562110,8sleep22581065-21cut12:35:192
25291742110,8sleep12529180-21ssh12:04:161
24641012110,8sleep12464109-21ssh11:21:361
23620052111,7sleep02362340-21irqcore10:20:140
22737852111,7sleep02274092-21cut09:25:170
21482582110,1sleep00-21swapper/007:45:180
147598110,7rtkit-daemon456-21avahi-daemon10:44:100
147598110,7rtkit-daemon2489366-21ssh11:39:272
147598110,7rtkit-daemon1540-21sendmail-mta09:51:191
147598110,7rtkit-daemon1540-21sendmail-mta09:16:341
147598110,6rtkit-daemon720-21snmpd11:11:591
147598110,6rtkit-daemon720-21snmpd11:11:591
24741362100,1sleep20-21swapper/211:30:132
24733752100,5sleep22473379-21ssh11:29:302
24699152100,3sleep02470931-21memory11:25:190
24484072100,2sleep00-21swapper/011:12:210
24484072100,2sleep00-21swapper/011:12:210
24006552100,7sleep22400663-21ssh10:43:142
23058012100,7sleep12306264-21sed09:45:181
22952822100,7sleep22295290-21ssh09:35:412
22951692100,7sleep02295177-21ssh09:35:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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