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2025-11-16 - 21:52
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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 Sun Nov 16, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24457991263cyclictest17812-21latency_hist11:00:290
24457991223cyclictest27041-21latency_hist12:10:310
24457991213cyclictest29147-21latency_hist08:40:250
24457991184cyclictest18584-21aten_r9power_cu09:50:390
24457991183cyclictest606-21latency_hist12:20:320
24457991183cyclictest4466-21latency_hist09:05:250
24161111872sleep0-21swapper/108:25:141
24457991168cyclictest0-21swapper/012:58:150
24457991168cyclictest0-21swapper/011:30:300
24457991168cyclictest0-21swapper/011:30:300
24457991144cyclictest27817-21latency_hist10:20:280
24457991144cyclictest20351-21sh12:52:390
24457991143cyclictest20811-21latency_hist11:05:290
24457991143cyclictest10487-21swap11:41:120
24457991133cyclictest821-21latency_hist13:15:330
24457991124cyclictest3340-21expr10:35:450
24457991124cyclictest29385-21diskmemload12:49:390
24457991124cyclictest27225-21sh11:15:480
24457991114cyclictest12321-21df10:50:460
24457991113cyclictest27512-21ssh12:10:480
244579910974cyclictest6950irq/18-mmc012:30:320
24457991094cyclictest10257-21ssh13:30:540
24457991093cyclictest8556-21kworker/u4:211:46:020
24457991093cyclictest30297-21latency_hist13:10:330
24457991093cyclictest15465-21munin-node09:40:390
24457991084cyclictest32369-21latency_hist10:30:280
24457991084cyclictest0-21swapper/009:45:540
24457991084cyclictest0-21swapper/009:45:540
24457991083cyclictest7636-21latency_hist09:15:260
24457991083cyclictest21584-21diskstats12:00:510
24457991083cyclictest14584-21/usr/sbin/munin09:35:530
24457991079cyclictest0-21swapper/013:49:150
24457991073cyclictest8556-21kworker/u4:211:31:020
24457991073cyclictest32591-21sh10:30:400
24457991073cyclictest32591-21sh10:30:400
24457991073cyclictest2880-21latency_hist09:00:250
24457991073cyclictest2880-21latency_hist09:00:250
24457991068cyclictest0-21swapper/008:35:250
24457991067cyclictest0-21swapper/013:21:000
24457991063cyclictest74-21mmcqd/012:30:320
24457991063cyclictest21141-21cat12:00:300
24145110664sleep0-21swapper/008:25:130
24457991058cyclictest0-21swapper/013:38:410
24457991053cyclictest1401-21latency_hist08:55:260
24457991038cyclictest0-21swapper/010:50:110
24457991038cyclictest0-21swapper/009:35:260
24457991033cyclictest23529-21df10:05:440
24457991029cyclictest0-21swapper/012:41:200
24457991028cyclictest0-21swapper/011:05:490
24457991018cyclictest0-21swapper/013:28:150
2445799998cyclictest0-21swapper/010:20:550
24457999912cyclictest0-21swapper/011:55:130
2445799988cyclictest0-21swapper/009:10:260
24457999815cyclictest22808-21ssh13:51:100
24457999815cyclictest22808-21ssh13:51:100
2445799978cyclictest0-21swapper/008:45:450
24457999712cyclictest30385-21ssh12:15:460
2445799967cyclictest0-21swapper/011:12:110
2445799963cyclictest261781sleep13:02:190
24457999610cyclictest0-21swapper/013:41:220
2445799958cyclictest0-21swapper/010:00:440
24457999560cyclictest6950irq/18-mmc010:45:280
24457999510cyclictest7403-21ssh11:36:080
2445799937cyclictest0-21swapper/009:20:420
24457999314cyclictest0-21swapper/008:25:550
2445799924cyclictest12232-21latency_hist09:30:270
2445799913cyclictest74-21mmcqd/008:41:120
2445799898cyclictest20919-21/usr/sbin/munin09:56:150
2445799897cyclictest0-21swapper/013:19:400
2445799889cyclictest0-21swapper/012:38:380
24457998812cyclictest0-21swapper/011:21:270
2445799854cyclictest74-21mmcqd/010:15:270
24463998445cyclictest22983-21ssh11:08:181
24457998449cyclictest6950irq/18-mmc009:15:260
24463998244cyclictest30190-21ssh13:10:151
24463998243cyclictest30811-21/usr/sbin/munin08:45:381
24463998144cyclictest31876-21ssh11:23:101
24463998143cyclictest22359-21/usr/sbin/munin12:56:031
24463998142cyclictest5314-21ssh10:38:521
24463998043cyclictest20665-21ssh11:59:181
24463998043cyclictest12465-21ssh13:34:471
24463998042cyclictest12040-21ssh12:39:251
24463998041cyclictest8132-21ssh11:37:291
24463998041cyclictest25901-21ssh12:07:151
24463998041cyclictest17490-21ssh13:42:091
24463998041cyclictest14311-21/usr/sbin/munin09:35:471
24463997943cyclictest31778-21ssh13:11:171
24463997943cyclictest14089-21ssh11:47:321
24463997942cyclictest6468-21ssh13:24:411
24463997942cyclictest16577-21/usr/sbin/munin12:46:091
24463997941cyclictest2102-21ssh11:27:181
24463997941cyclictest2102-21ssh11:27:181
24463997941cyclictest20797-21ssh13:48:081
24463997940cyclictest11739-21ssh10:50:121
24463997939cyclictest25979-21/usr/sbin/munin10:11:071
24463997862cyclictest8566-21ssh12:32:591
24463997844cyclictest9329-21ssh13:29:201
24463997842cyclictest24484-21ssh13:55:071
24463997842cyclictest24484-21ssh13:55:071
24463997842cyclictest21182-21ssh12:55:041
24463997841cyclictest28939-21ssh12:12:261
24463997841cyclictest26705-21ssh13:03:491
24463997841cyclictest26409-21ssh11:14:341
24463997841cyclictest16348-21/usr/sbin/munin09:41:011
24463997840cyclictest27897-21ntp_states11:16:071
24463997840cyclictest24147-21/usr/sbin/munin10:06:011
24463997839cyclictest30136-21ssh12:15:351
24463997839cyclictest14616-21ssh10:54:551
24463997838cyclictest25287-21/usr/sbin/munin08:25:501
24463997838cyclictest22608-21ssh12:01:211
24463997837cyclictest31405-21ssh10:27:451
24463997741cyclictest2811-21ssh13:17:451
24463997740cyclictest5953-21ssh12:29:021
24463997740cyclictest11386-21ssh11:43:181
24463997739cyclictest2359-21ssh12:22:161
24463997738cyclictest3978-21/usr/sbin/munin09:01:021
24463997738cyclictest2559-21ssh10:34:301
24463997738cyclictest2559-21ssh10:34:301
24463997738cyclictest19725-21ssh11:02:281
24463997737cyclictest19063-21perl09:50:501
24463997639cyclictest8800-21ssh10:45:181
24463997638cyclictest9898-21irqstats09:20:541
24463997637cyclictest2496-21/usr/sbin/munin08:56:051
24463997637cyclictest2496-21/usr/sbin/munin08:56:051
24463997637cyclictest16972-21ssh11:52:151
24463997636cyclictest3714-21df11:30:491
24463997636cyclictest28782-21/usr/sbin/munin10:21:011
24463997539cyclictest26103-21/usr/sbin/munin08:31:101
24463997538cyclictest15508-21ssh13:39:581
24463997536cyclictest20438-21df_inode09:56:041
24463997533cyclictest5225-21irqstats09:05:531
24463997437cyclictest14434-21ssh12:42:451
24463997436cyclictest6394-21df09:10:441
24463997436cyclictest304-21snmpd08:51:221
24463997435cyclictest16537-21ssh10:56:521
24463997334cyclictest18430-21sshd09:50:041
24463997334cyclictest18430-21sshd09:50:041
24463997333cyclictest30080-21ntp_states08:40:561
24463997233cyclictest26500-21sh10:15:421
24463997233cyclictest12626-21df_inode09:30:431
24463997231cyclictest22365-21irqstats10:00:541
24463997040cyclictest480-21systemd-journal09:19:031
24463997034cyclictest304-21snmpd09:29:451
24463996738cyclictest28179-21fschecks_time08:35:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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