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2024-10-07 - 00:29
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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 50 highest latencies:
System rack2slot7.osadl.org (updated Sun Oct 06, 2024 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278692199422,39cyclictest0-21swapper/012:38:190
278692199413,36cyclictest2887693-21ssh10:33:200
278692199406,15cyclictest2863021-21fschecks_time10:03:150
278692199363,20cyclictest0-21swapper/011:22:550
278692199362,20cyclictest2993377-21irqstats12:33:160
2786921993413,13cyclictest2971964-21ssh12:12:080
278692299331,27cyclictest2903473-21ntpq10:53:211
278692199331,30cyclictest0-21swapper/010:48:210
278692199321,20cyclictest0-21swapper/012:18:170
278692199320,20cyclictest2983200-21gltestperf12:23:150
278692299314,21cyclictest2008530-21lldpd12:01:281
2786921993014,4cyclictest2924397-21idleruntime-cro11:18:460
278692399293,21cyclictest0-21swapper/211:53:192
278692199292,24cyclictest0-21swapper/009:38:230
278692199281,3cyclictest2918655-21grep11:13:160
278692299265,4cyclictest11050irq/107-eth%d11:44:221
2786921992625,1cyclictest0-21swapper/011:38:460
278692199261,2cyclictest0-21swapper/011:53:210
278692199260,2cyclictest2835706-21sed09:28:170
278692399255,15cyclictest2962197-21ssh12:01:282
278692299253,17cyclictest1003-21mta-sts-daemon11:03:341
278692199256,15cyclictest3003668-21diskmemload12:43:190
278692199250,23cyclictest0-21swapper/010:38:230
278692399243,6cyclictest36-21ksoftirqd/212:28:192
278692299241,9cyclictest2968743-21ssh12:08:201
2786922992419,3cyclictest2839092-21cut09:33:141
278692199243,3cyclictest2988603-21ntpq12:28:170
278692199241,20cyclictest0-21swapper/011:43:160
278692399232,7cyclictest2928223-21/usr/sbin/munin11:23:202
278692299234,8cyclictest2998651-21/usr/sbin/munin12:38:181
2786921992316,2cyclictest2848048-21unixbench-2d09:43:240
278692199231,21cyclictest0-21swapper/012:07:560
278692199231,16cyclictest58-21kcompactd010:53:210
278692399222,17cyclictest2903479-21ssh10:53:212
278692399221,3cyclictest0-21swapper/211:58:422
278692299222,10cyclictest2879221-21fschecks_count10:23:141
278692199225,14cyclictest0-21swapper/011:58:210
278692199222,17cyclictest0-21swapper/011:48:220
278692399213,2cyclictest2863691-21ssh10:03:212
278692299213,13cyclictest2899526-21/usr/sbin/munin10:48:211
278692299211,5cyclictest0-21swapper/111:08:161
278692299211,4cyclictest11050irq/107-eth%d09:38:201
2786921992116,4cyclictest0-21swapper/010:08:150
2786921992112,4cyclictest2908161-21cron10:58:460
278692199210,1cyclictest2792153-21tail07:33:140
278692399208,2cyclictest36-21ksoftirqd/212:13:122
278692399204,3cyclictest36-21ksoftirqd/212:38:202
278692399203,6cyclictest36-21ksoftirqd/208:58:462
278692399202,7cyclictest0-21swapper/210:58:192
2786923992013,5cyclictest2946970-21latency_hist11:43:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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