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2025-11-13 - 18:50
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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 13, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
335016995828,7cyclictest466059-21sendmail-msp11:06:400
33501699582,13cyclictest536008-21ntpq12:28:040
335016995631,6cyclictest405821-21ntpq09:53:020
335016995226,3cyclictest0-21swapper/010:55:540
335016994322,6cyclictest0-21swapper/011:54:360
335016994314,10cyclictest0-21swapper/007:30:430
33501699423,36cyclictest0-21swapper/009:49:220
33501699416,6cyclictest11050irq/107-eth%d11:33:030
33501699415,4cyclictest541448-21ssh12:33:580
33501699411,28cyclictest0-21swapper/011:25:590
33501699354,4cyclictest0-21swapper/010:11:230
33501699354,27cyclictest0-21swapper/011:14:480
33501699342,28cyclictest508359-21ssh11:55:510
335016993422,4cyclictest0-21swapper/010:45:540
335018993222,8cyclictest0-21swapper/210:05:512
33501699324,19cyclictest425530-21/usr/sbin/munin10:18:010
335016993221,2cyclictest0-21swapper/012:00:580
33501699321,18cyclictest388745-21cut09:33:060
33501899319,4cyclictest11050irq/107-eth%d12:05:522
335016993120,3cyclictest466123-21latency_hist11:05:510
335018993019,5cyclictest0-21swapper/207:27:322
335016993023,4cyclictest433173-21/usr/sbin/munin10:27:580
335016993020,1cyclictest0-21swapper/011:48:020
335018992924,3cyclictest0-21swapper/209:38:022
335018992921,4cyclictest0-21swapper/212:15:512
335017992915,9cyclictest111788-21systemd-journal12:07:541
33501899282,8cyclictest111788-21systemd-journal10:29:362
33501899282,21cyclictest111788-21systemd-journal09:08:052
335018992820,6cyclictest0-21swapper/210:32:142
33501799286,16cyclictest619-21mta-sts-daemon10:31:211
335017992822,4cyclictest1008-21mta-sts-daemon07:53:021
335016992817,9cyclictest11650irq/162-mmc009:08:050
33501699280,2cyclictest399114-21munin-run09:45:500
33501699280,2cyclictest399114-21munin-run09:45:500
33501699280,22cyclictest497969-21sendmail_mailqu11:43:010
33501799278,3cyclictest11050irq/107-eth%d09:55:091
33501799275,18cyclictest619-21mta-sts-daemon11:50:031
335016992726,1cyclictest0-21swapper/012:11:230
335016992720,6cyclictest1007-21mta-sts-daemon07:15:510
335016992717,5cyclictest431965-21sendmail-msp10:32:460
335016992715,4cyclictest482999-21munin-run11:25:500
33501899268,4cyclictest0-21swapper/211:05:542
33501899264,16cyclictest351839-21sendmail-msp08:13:052
33501899264,12cyclictest111788-21systemd-journal07:32:402
33501899264,12cyclictest111788-21systemd-journal07:32:402
33501799265,14cyclictest111788-21systemd-journal12:25:591
33501799264,17cyclictest619-21mta-sts-daemon09:25:521
335017992613,8cyclictest462637-21ssh11:01:491
33501699265,16cyclictest335015-21cyclictest07:15:510
33501699261,7cyclictest417322-21/usr/sbin/munin10:07:570
33501699261,3cyclictest0-21swapper/012:43:070
33501699260,3cyclictest429143-21aten2.4-expect10:22:550
33501899255,15cyclictest476559-21ssh11:17:592
33501799256,15cyclictest1008-21mta-sts-daemon12:12:561
335016992512,10cyclictest516535-21sendmail-msp12:07:540
33501699251,19cyclictest0-21swapper/009:18:010
33501899246,9cyclictest11050irq/107-eth%d09:43:032
33501899246,9cyclictest11050irq/107-eth%d09:43:032
33501899243,15cyclictest111788-21systemd-journal09:28:062
335018992418,3cyclictest0-21swapper/209:58:012
335018992415,7cyclictest448628-21sendmail-msp10:45:552
335017992417,4cyclictest11050irq/107-eth%d11:55:511
335017992415,6cyclictest834-21gdbus07:15:511
33501699242,2cyclictest0-21swapper/010:53:040
335016992412,1cyclictest69-21kswapd009:21:010
33501899237,14cyclictest541449-21ssh12:33:582
33501899233,5cyclictest0-21swapper/212:25:552
335017992312,10cyclictest457648-21ssh10:55:541
335017992311,9cyclictest429876-21ssh10:23:021
335016992317,4cyclictest338676-21sendmail-msp07:30:510
335016992317,4cyclictest338676-21sendmail-msp07:30:510
335016992313,9cyclictest0-21swapper/009:28:060
33501699231,21cyclictest0-21swapper/012:22:550
335018992213,7cyclictest481114-21sendmail_mailqu11:23:022
335018992212,8cyclictest351ktimers/211:34:392
33501799224,13cyclictest415819-21sendmail-msp10:13:021
33501799223,15cyclictest505695-21/usr/sbin/munin11:52:551
33501799223,13cyclictest111788-21systemd-journal11:13:021
33501799222,15cyclictest466059-21sendmail-msp11:05:581
335017992220,1cyclictest0-21swapper/109:43:031
335017992220,1cyclictest0-21swapper/109:43:031
33501699228,3cyclictest11050irq/107-eth%d12:37:550
33501699222,19cyclictest350814-21gltestperf08:02:560
33501699222,15cyclictest345256-21sendmail-msp07:48:340
335016992216,1cyclictest443198-21unixbench_singl10:38:070
33501699220,1cyclictest0-21swapper/011:18:030
33501899214,12cyclictest399148-21sendmail-msp09:52:292
335018992110,6cyclictest358437-21sendmail-msp08:28:082
33501799216,12cyclictest1008-21mta-sts-daemon12:22:571
33501799215,14cyclictest1008-21mta-sts-daemon12:40:551
33501899206,11cyclictest457647-21apt-get10:55:542
33501899203,13cyclictest1006-21mta-sts-daemon08:38:022
33501899202,15cyclictest365623-21fschecks_time08:47:582
33501899202,11cyclictest762-21in:imuxsock09:48:022
33501899201,15cyclictest485553-21ssh11:28:122
33501799203,14cyclictest111788-21systemd-journal07:29:321
33501799203,13cyclictest497833-21ssh11:43:001
335017992015,4cyclictest366550-21grep08:48:091
33501699202,2cyclictest393022-21ntpq09:38:010
33501699201,9cyclictest493613-21/usr/sbin/munin11:38:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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