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2026-04-11 - 22:13
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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 Apr 11, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25259113473sleep0-21swapper/118:29:521
25491991135cyclictest92-21systemd-journal20:14:570
25491991134cyclictest74-21mmcqd/022:10:280
25491991113cyclictest27563-21grep18:35:310
25491991106cyclictest7503-21latency_hist20:59:560
25491991078cyclictest0-21swapper/023:59:500
25491991078cyclictest0-21swapper/023:59:500
254919910762cyclictest27669-21runrttasks22:04:000
25491991067cyclictest0-21swapper/022:55:260
25491991059cyclictest0-21swapper/023:29:510
254919910564cyclictest0-21swapper/021:14:550
25491991056cyclictest1935-21diskstats22:25:230
25491991053cyclictest26231-21diskstats20:15:260
25143110567sleep0-21swapper/018:29:470
25491991025cyclictest26565-21latency_hist23:44:500
25491991023cyclictest25572-21sshd18:30:010
254919910212cyclictest9112-21/usr/sbin/munin21:05:180
254919910212cyclictest9112-21/usr/sbin/munin21:05:180
254919910046cyclictest13696-21latency_hist21:19:550
25491991003cyclictest21188-21ls19:59:580
2549199993cyclictest27862-21/usr/sbin/munin22:05:340
25504999825cyclictest5923-21cat20:54:561
2549199989cyclictest0-21swapper/021:50:220
2549199988cyclictest26995-21grep23:45:200
2549199978cyclictest0-21swapper/019:50:220
2549199969cyclictest0-21swapper/022:35:280
2549199968cyclictest0-21swapper/019:20:240
2549199967cyclictest0-21swapper/021:20:180
25491999650cyclictest19987-21vmstat23:20:410
2549199958cyclictest0-21swapper/019:45:300
2549199957cyclictest29286-21tail23:50:370
2549199953cyclictest2733-21latency_hist20:44:560
25491999512cyclictest5570-21users20:50:440
2549199949cyclictest0-21swapper/022:20:230
2549199949cyclictest0-21swapper/021:25:200
2549199949cyclictest0-21swapper/021:25:200
25491999455cyclictest6950irq/18-mmc022:45:290
2549199945cyclictest11526-21runrttasks19:26:290
2549199944cyclictest10904-21latency_hist22:54:520
2549199944cyclictest10904-21latency_hist22:54:520
2549199939cyclictest0-21swapper/019:16:370
2549199934cyclictest74-21mmcqd/023:35:310
2549199933cyclictest21534-21latency_hist21:44:550
6950920irq/18-mmc0191ksoftirqd/119:45:301
2549199928cyclictest0-21swapper/020:05:350
2549199927cyclictest0-21swapper/020:40:320
2549199926cyclictest25429-21kernelversion21:55:300
25491999236cyclictest0-21swapper/020:55:390
2549199919cyclictest0-21swapper/020:39:560
2549199918cyclictest0-21swapper/023:30:360
2549199915cyclictest32120-21cat20:34:560
25491999148cyclictest6950irq/18-mmc021:30:210
25491999044cyclictest74-21mmcqd/018:59:590
2549199899cyclictest0-21swapper/023:00:320
2549199899cyclictest0-21swapper/019:32:040
2549199898cyclictest0-21swapper/020:20:290
25491998951cyclictest0-21swapper/020:29:560
25491998950cyclictest6950irq/18-mmc020:00:330
2549199888cyclictest0-21swapper/023:19:510
2549199888cyclictest0-21swapper/021:45:230
2549199888cyclictest0-21swapper/018:45:290
2549199887cyclictest0-21swapper/022:15:230
25491998850cyclictest6950irq/18-mmc019:14:590
25491998844cyclictest818-21latency_hist18:55:000
25491998761cyclictest0-21swapper/022:39:570
6950860irq/18-mmc0191ksoftirqd/123:35:311
2549199863cyclictest74-21mmcqd/023:05:320
25491998621cyclictest0-21swapper/019:35:210
25491998612cyclictest15998-21entropy23:10:220
2549199849cyclictest0-21swapper/022:30:380
2549199849cyclictest0-21swapper/022:30:380
25504998315cyclictest0-21swapper/120:45:261
2549199834cyclictest74-21mmcqd/019:00:420
2550499824cyclictest30984-21/usr/sbin/munin22:15:381
2550499823cyclictest316-21runrttasks18:52:021
2550499823cyclictest16475-21munin-node18:45:221
25504998224cyclictest14943-21sort19:39:581
25504998218cyclictest2269-21rt-features20:40:421
2549199828cyclictest0-21swapper/019:44:450
2550499813cyclictest9112-21/usr/sbin/munin21:05:191
2550499813cyclictest9112-21/usr/sbin/munin21:05:191
2550499813cyclictest8330-21grep19:15:471
2550499813cyclictest26680-21fschecks_count22:00:241
2550499813cyclictest26065-21aten_r9power_vo20:15:201
2550499813cyclictest25818-21unixbench_multi21:55:411
2550499813cyclictest23906-21sed20:05:441
2550499813cyclictest12984-21grep23:00:211
2550499813cyclictest12948-21unixbench_multi19:30:461
2550499803cyclictest8711-21cut22:45:321
2550499803cyclictest4199-21chrt22:30:381
2550499803cyclictest4199-21chrt22:30:381
2550499803cyclictest28190-21kernelversion20:20:331
2550499803cyclictest27474-21cut18:35:301
2550499803cyclictest11557-21sshd19:26:591
25504998028cyclictest5965-21sshd20:54:571
25504998023cyclictest19567-21unixbench_multi21:35:421
25504998017cyclictest0-21swapper/122:26:541
2549199808cyclictest0-21swapper/018:41:060
2550499798cyclictest0-21swapper/122:55:281
2550499795cyclictest15011-21/usr/sbin/munin19:40:391
2550499794cyclictest316-21runrttasks23:27:051
2550499793cyclictest7913-21fschecks_count21:00:271
2550499793cyclictest25080-21/usr/sbin/munin23:40:361
2550499793cyclictest19960-21unixbench_singl23:20:391
25504997925cyclictest5639-21/usr/sbin/munin19:10:341
2550499792cyclictest30637-21/usr/sbin/munin20:30:351
2549199797cyclictest0-21swapper/019:09:290
2550499787cyclictest0-21swapper/118:56:411
2550499783cyclictest5386-21chrt19:08:111
2550499783cyclictest31174-21runrttasks23:59:301
2550499783cyclictest31174-21runrttasks23:59:301
2550499783cyclictest28703-21cut23:50:221
2550499783cyclictest21874-21/usr/sbin/munin20:00:321
2550499783cyclictest14201-21cut21:20:261
2550499783cyclictest1-21systemd23:15:521
25504997822cyclictest15227-21unixbench_multi23:05:391
25504997821cyclictest25513-21unixbench_singl20:10:451
25504997818cyclictest0-21swapper/122:35:251
25504997816cyclictest92-21systemd-journal23:14:521
2550499778cyclictest0-21swapper/118:34:121
2550499773cyclictest29423-21/usr/sbin/munin22:10:181
2550499773cyclictest28723-21/usr/sbin/munin18:40:351
2550499773cyclictest2513-21/usr/sbin/munin19:00:361
2550499773cyclictest12237-21/usr/sbin/munin21:15:421
2550499773cyclictest1132-21runrttasks20:39:231
25504997726cyclictest16408-21grep21:25:411
25504997726cyclictest16408-21grep21:25:411
25504997713cyclictest0-21swapper/122:49:531
25504997713cyclictest0-21swapper/122:49:531
2550499768cyclictest0-21swapper/122:20:331
2550499768cyclictest0-21swapper/121:14:291
2550499764cyclictest21407-21sshd21:43:551
2550499764cyclictest19176-21/usr/sbin/munin19:50:451
2550499763cyclictest27862-21/usr/sbin/munin22:05:201
2550499763cyclictest23170-21/usr/sbin/munin21:50:341
2550499763cyclictest16923-21/usr/sbin/munin21:30:341
25504997619cyclictest6459-21telnet22:40:171
2550499754cyclictest22960-21ls23:30:381
2550499753cyclictest29072-21/usr/sbin/munin20:25:181
2550499753cyclictest22522-21wc21:45:401
25504997522cyclictest9148-21cut19:20:301
25504997515cyclictest19699-21aten_r9power_cu19:55:211
2550499743cyclictest316-21runrttasks23:45:091
2549199747cyclictest0-21swapper/021:39:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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