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2025-11-21 - 01:23
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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 100 highest latencies:
System rack2slot7.osadl.org (updated Thu Nov 20, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252549499594,29cyclictest0-21swapper/011:23:050
252549499451,5cyclictest2683066-21ntpq11:38:510
2525494993919,6cyclictest2664180-21latency_hist11:15:580
252549499363,6cyclictest2633280-21awk10:38:040
2525494993618,6cyclictest2655657-21sendmail-msp11:08:370
252549499353,21cyclictest0-21swapper/010:58:000
2525495993330,2cyclictest764-21rs:main1
252549599331,11cyclictest2664350-21ssh11:15:581
252549699312,2cyclictest11050irq/107-eth%d10:38:042
252549499312,22cyclictest0-21swapper/012:38:080
252549499310,1cyclictest0-21swapper/012:27:580
252549499305,3cyclictest191rcuc/012:10:570
2525495992920,8cyclictest0-21swapper/109:11:021
2525495992920,8cyclictest0-21swapper/109:11:021
252549499297,11cyclictest2565359-21diskmemload12:14:240
252549499293,25cyclictest0-21swapper/009:23:040
2525494992922,3cyclictest0-21swapper/012:01:000
2525494992910,1cyclictest0-21swapper/009:49:230
252549499281,18cyclictest2620742-21head10:22:590
2525495992719,7cyclictest2578256-21fschecks_count09:33:001
252549499272,24cyclictest2574307-21aten2.4-expect09:27:560
252549499270,27cyclictest2561940-1kworker/0:0H+kblockd10:27:450
252549499270,21cyclictest0-21swapper/009:17:580
2525494992611,1cyclictest0-21swapper/010:15:030
252549699259,10cyclictest1007-21mta-sts-daemon09:27:482
112699250,2rtkit-daemon1125-21rtkit-daemon07:42:461
252549699243,16cyclictest2606478-21sendmail-msp10:12:352
2525496992419,4cyclictest2623219-21idleruntime-cro10:25:562
252549499242,11cyclictest0-21swapper/011:03:050
252549499241,3cyclictest2628652-21aten2.4-expect10:32:580
252549499240,1cyclictest0-21swapper/011:28:030
252549599235,14cyclictest2612891-21ntp_states10:13:091
2525494992319,3cyclictest2618962-21cron10:20:570
2525494992319,2cyclictest2722434-21gltestperf12:22:580
252549499230,22cyclictest0-21swapper/010:06:060
252549699227,5cyclictest11050irq/107-eth%d09:38:062
252549699224,9cyclictest2689045-21sendmail-msp11:52:312
252549599229,3cyclictest2592153-21unixbench_multi09:48:151
2525495992215,6cyclictest2599736-21fschecks_time09:58:001
252549499222,8cyclictest2690313-21ssh11:48:000
2525494992217,4cyclictest2534256-21fschecks_count07:42:590
252549499221,4cyclictest2544710-21/usr/sbin/munin08:13:060
112699220,1rtkit-daemon0-21swapper/107:48:331
112699220,0rtkit-daemon0-21swapper/107:34:030
252549699214,16cyclictest2617739-21ssh10:18:362
252549699213,13cyclictest2643851-21ssh10:51:192
252549699212,5cyclictest11050irq/107-eth%d12:06:092
252549699212,4cyclictest2587297-21ntpq09:43:052
252549599213,16cyclictest2675307-21ssh11:28:441
252549599212,16cyclictest2706568-21sendmail-msp12:07:551
2525495992114,4cyclictest2632758-21fschecks_time10:38:001
252549499218,1cyclictest2637260-21ntpq10:43:050
252549499214,14cyclictest2561730-21sendmail-msp09:11:020
252549499214,14cyclictest2561730-21sendmail-msp09:11:020
2525494992116,3cyclictest2733057-21wc12:33:110
252549499211,19cyclictest0-21swapper/009:38:060
2525496992015,4cyclictest1005-21mta-sts-daemon11:58:022
2525496992011,5cyclictest0-21swapper/212:18:042
252549599204,12cyclictest2727529-21ntpq12:28:011
2525495992011,7cyclictest2573108-21sendmail-msp09:30:371
252549699194,12cyclictest1005-21mta-sts-daemon10:58:052
252549699194,11cyclictest2564729-21/usr/sbin/munin09:13:052
252549699194,11cyclictest2564729-21/usr/sbin/munin09:13:052
252549699193,14cyclictest1008-21mta-sts-daemon07:25:562
252549699193,12cyclictest2670222-21ntpq11:23:052
252549699192,13cyclictest2578760-21sh09:33:042
252549699192,10cyclictest2604534-21ssh10:03:032
252549599197,10cyclictest2640532-21/usr/sbin/munin10:48:061
252549599197,10cyclictest2640532-21/usr/sbin/munin10:48:061
252549599193,12cyclictest2719135-21ssh12:18:361
252549599193,12cyclictest111788-21systemd-journal11:47:561
252549599192,13cyclictest111788-21systemd-journal11:08:041
252549599192,10cyclictest2742076-21aten_r2power_en12:42:571
2525495991914,3cyclictest2531031-21fschecks_time07:32:591
252549499195,9cyclictest111788-21systemd-journal09:51:430
252549499193,11cyclictest2666019-21/usr/sbin/munin11:18:010
252549499191,9cyclictest2597721-21apt-get09:55:590
2525494991917,1cyclictest2644666-21ssh10:52:580
2525494991915,3cyclictest2742364-21fschecks_time12:42:590
2525494991915,3cyclictest2537582-21fschecks_time07:52:590
252549799184,8cyclictest0-21swapper/309:13:053
252549799184,8cyclictest0-21swapper/309:13:053
252549699184,4cyclictest0-21swapper/211:33:102
252549699183,8cyclictest2686266-21/usr/sbin/munin11:42:582
252549699183,11cyclictest111788-21systemd-journal12:32:572
252549699182,11cyclictest111788-21systemd-journal08:13:052
2525496991812,4cyclictest0-21swapper/210:08:012
252549599182,12cyclictest2694789-21fschecks_time11:53:021
252549599181,7cyclictest2569451-21ssh09:20:561
2525495991810,4cyclictest2644667-21/usr/sbin/munin10:52:581
2525495991810,4cyclictest0-21swapper/110:18:011
252549499183,10cyclictest2561730-21sendmail-msp09:08:020
252549499183,10cyclictest2561730-21sendmail-msp09:08:020
252549499182,8cyclictest0-21swapper/010:03:020
2525494991815,2cyclictest0-21swapper/007:22:580
2525494991813,4cyclictest2552371-21grep08:38:010
252549499180,9cyclictest2686987-21ntpq11:43:040
252549699174,10cyclictest2571453-21ntp_states09:23:032
252549699173,13cyclictest111788-21systemd-journal12:30:192
252549699173,12cyclictest2653616-21ntpq11:03:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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