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2025-11-05 - 06:05
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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 376 highest latencies:
System rack9slot4.osadl.org (updated Wed Nov 05, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6208991224cyclictest18556-21latency_hist22:08:010
6208991223cyclictest11587-21ssh20:59:030
6208991188cyclictest0-21swapper/022:38:050
6073111881sleep0-21swapper/118:57:491
6208991178cyclictest0-21swapper/022:23:020
6208991147cyclictest0-21swapper/019:33:170
6208991133cyclictest19146-21grep23:58:490
62089911313cyclictest9677-21cpu23:43:180
221501130irq/18-spi_topc620899cyclictest21:18:380
6208991123cyclictest31522-21sh21:33:330
6208991123cyclictest24097-21rm22:17:050
6208991113cyclictest21760-21runrttasks19:47:570
6208991113cyclictest21760-21runrttasks19:47:570
6208991108cyclictest0-21swapper/020:18:260
6208991104cyclictest30531-21ssh23:23:240
6208991103cyclictest8465-21latency_hist20:52:590
6208991093cyclictest480-21systemd-journal22:58:370
6208991088cyclictest0-21swapper/023:13:180
6208991084cyclictest24661-21latency_hist21:23:000
6208991084cyclictest18797-21latency_hist21:13:000
6208991073cyclictest13970-21latency_hist19:22:570
6208991068cyclictest0-21swapper/019:52:570
6208991064cyclictest15647-21/usr/sbin/munin19:28:250
6208991063cyclictest74-21mmcqd/021:43:010
6208991063cyclictest30231-21ssh00:18:200
6208991063cyclictest13764-21cat21:58:340
6208991063cyclictest10003-21sh22:48:180
6089110669sleep0-21swapper/018:57:500
6208991053cyclictest26454-21latency_hist20:02:580
6208991043cyclictest17009-21kworker/u4:121:45:380
6208991038cyclictest0-21swapper/020:37:590
6208991033cyclictest13044-21ssh21:03:000
6208991028cyclictest0-21swapper/022:29:050
6208991023cyclictest74-21mmcqd/020:42:590
6208991023cyclictest12441-21cat19:17:570
6208991013cyclictest7482-21cat22:43:300
6208991013cyclictest3328-21latency_hist20:32:580
6208991013cyclictest30035-21latency_hist23:23:040
6208991008cyclictest0-21swapper/023:50:290
6208991008cyclictest0-21swapper/021:18:000
6208991007cyclictest0-21swapper/023:54:120
6208991003cyclictest74-21mmcqd/019:07:560
6208991003cyclictest11706-21runrttasks21:55:040
620899986cyclictest20683-21ssh22:10:390
620899983cyclictest3014-21sh22:36:060
620899983cyclictest1991-21vmstat23:28:480
6208999810cyclictest0-21swapper/023:08:340
620899979cyclictest0-21swapper/000:08:250
620899975cyclictest304-21snmpd23:33:190
6208999744cyclictest7738-21latency_hist19:02:560
620899964cyclictest480-21systemd-journal00:13:400
620899964cyclictest2496-21sh00:26:010
6208999567cyclictest6950irq/18-mmc021:48:340
620899949cyclictest0-21swapper/000:03:270
620899939cyclictest0-21swapper/023:03:100
620899938cyclictest0-21swapper/022:24:400
620899938cyclictest0-21swapper/020:23:150
6208999320cyclictest9605-21sshd20:53:320
620899914cyclictest326-21runrttasks22:57:080
620899913cyclictest29590-21runrttasks21:30:160
620899903cyclictest310361sleep20:16:540
620899903cyclictest20231-21latency_hist19:42:570
620899886cyclictest0-21swapper/019:22:590
620899884cyclictest0-21swapper/019:53:330
620899878cyclictest0-21swapper/019:11:590
620899863cyclictest6821-21/usr/sbin/munin23:38:280
6208998612cyclictest7793-21sshd20:44:370
6208998612cyclictest7793-21sshd20:44:370
620899858cyclictest0-21swapper/020:03:270
620899849cyclictest28901-21sshd20:08:310
22150760irq/18-spi_topc621999cyclictest19:01:591
33950670irq/43-eth08701-21ssh23:41:141
22150670irq/18-spi_topc621999cyclictest21:36:031
22150670irq/18-spi_topc621999cyclictest00:18:321
6219996522cyclictest0-21swapper/122:13:351
22150650irq/18-spi_topc621999cyclictest21:26:031
22150650irq/18-spi_topc621999cyclictest00:15:101
22150630irq/18-spi_topc621999cyclictest19:35:351
33950620irq/43-eth027787-21/usr/sbin/munin21:28:521
33950620irq/43-eth019322-21ntp_states23:58:541
22150620irq/18-spi_topc621999cyclictest00:09:111
33950610irq/43-eth015342-21/usr/sbin/munin23:53:381
22150610irq/18-spi_topc621999cyclictest22:23:051
22150610irq/18-spi_topc621999cyclictest21:03:001
22150610irq/18-spi_topc621999cyclictest20:12:011
22150610irq/18-spi_topc621999cyclictest19:06:591
621999609cyclictest0-21swapper/123:12:461
621999608cyclictest0-21swapper/123:23:081
621999608cyclictest0-21swapper/119:28:351
621999608cyclictest0-21swapper/119:23:341
33950600irq/43-eth01564-21fschecks_count21:38:221
33950600irq/43-eth01279-21perl23:28:291
33950600irq/43-eth00-21swapper/123:44:411
33950600irq/43-eth00-21swapper/100:04:391
22150600irq/18-spi_topc621999cyclictest20:27:591
1699600watchdog/120793-21ssh21:15:151
621999599cyclictest0-21swapper/121:18:441
621999597cyclictest0-21swapper/123:02:041
22150590irq/18-spi_topc621999cyclictest21:58:281
1799590migration/125627-21/usr/sbin/munin19:58:361
1699590watchdog/14109-21/usr/sbin/munin21:43:281
1699590watchdog/114790-21ssh23:51:561
621999589cyclictest0-21swapper/121:08:271
621999589cyclictest0-21swapper/120:53:141
621999589cyclictest0-21swapper/119:53:311
621999588cyclictest0-21swapper/122:09:291
621999588cyclictest0-21swapper/119:18:221
621999587cyclictest0-21swapper/120:04:081
6219995810cyclictest0-21swapper/122:38:331
33950580irq/43-eth04596-21ntp_states23:33:401
33950580irq/43-eth020250-21ssh23:05:101
33950580irq/43-eth018251-21ssh22:07:081
33950580irq/43-eth015053-21ssh22:57:031
33950580irq/43-eth00-21swapper/123:19:061
1799580migration/12778-21/usr/sbin/munin20:28:371
1699580watchdog/110844-21chrt19:12:481
621999579cyclictest0-21swapper/120:38:281
621999578cyclictest0-21swapper/120:18:361
621999577cyclictest0-21swapper/119:50:321
6219995717cyclictest0-21swapper/122:52:411
6219995710cyclictest0-21swapper/122:28:281
621999569cyclictest0-21swapper/122:43:061
621999569cyclictest0-21swapper/120:13:341
33950560irq/43-eth0304-21snmpd21:50:071
33950560irq/43-eth024901-21df22:18:231
33950560irq/43-eth012551-21ssh21:57:331
1699560watchdog/124291-21ssh23:13:071
621999559cyclictest0-21swapper/120:43:271
621999559cyclictest0-21swapper/120:43:271
621999559cyclictest0-21swapper/119:43:241
621999559cyclictest0-21swapper/119:43:241
621999558cyclictest0-21swapper/119:13:101
33950550irq/43-eth014224-21ssh21:03:391
1699550watchdog/13197-21ssh00:28:051
621999549cyclictest0-21swapper/122:33:351
621999538cyclictest0-21swapper/120:33:101
1699530watchdog/119105-21fschecks_count19:38:171
621999526cyclictest0-21swapper/120:49:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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