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2025-10-28 - 13:12
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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 Tue Oct 28, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235801399624,6cyclictest2357969-21munin-run19:15:360
235801399602,29cyclictest2440692-21ld22:02:520
235801399424,4cyclictest0-21swapper/022:32:540
235801399383,8cyclictest11050irq/107-eth%d21:23:230
235801399380,26cyclictest0-21swapper/022:27:540
235801399362,14cyclictest0-21swapper/022:17:590
235801399342,14cyclictest11050irq/107-eth%d23:02:550
235801499331,26cyclictest0-21swapper/123:37:531
235801399333,13cyclictest2401704-21ssh21:17:530
235801399332,27cyclictest2429783-21systemd-run21:50:360
2358013993313,18cyclictest0-21swapper/021:12:450
2358014993213,17cyclictest2488632-21fschecks_time22:57:481
235801499314,25cyclictest0-21swapper/119:17:541
2358014993119,10cyclictest2422900-21fschecks_time21:42:481
235801499311,7cyclictest2467355-21ssh22:32:541
235801399313,16cyclictest0-21swapper/023:57:450
2358013993115,2cyclictest2395930-21unixbench_singl21:02:590
2358014993020,9cyclictest2399238-21unixbench_singl21:13:001
235801399304,7cyclictest1008-21mta-sts-daemon00:15:300
2358013993016,12cyclictest2474985-21/usr/sbin/munin22:42:520
235801499292,4cyclictest2457947-21/usr/sbin/munin22:22:481
235801499291,4cyclictest2388269-21cut20:42:501
235801399292,15cyclictest2526930-21ssh23:40:390
235801399290,9cyclictest2460611-21apt22:25:360
235801599285,7cyclictest171rcu_preempt00:05:372
235801499284,6cyclictest0-21swapper/100:15:301
235801499284,18cyclictest2385765-21apt-get20:35:371
235801399282,6cyclictest2508835-21idleruntime-cro23:20:360
235801399282,12cyclictest2358229-21/usr/sbin/munin19:17:540
2358013992812,4cyclictest2370916-21gltestperf19:52:500
235801399280,19cyclictest2571622-21ssh00:32:550
235801599278,13cyclictest2243333-21munin-node22:20:382
235801599276,12cyclictest0-21swapper/223:57:512
235801499277,17cyclictest0-21swapper/123:17:511
235801499276,16cyclictest1007-21mta-sts-daemon22:48:331
235801499273,4cyclictest2550943-21cut00:07:461
2358014992718,8cyclictest2516077-21unixbench_singl23:28:001
235801499271,6cyclictest2382670-21cut20:27:481
235801499271,4cyclictest2563293-21cut00:22:491
235801499270,5cyclictest2379157-21tail20:17:471
235801399274,13cyclictest967-21snmpd20:57:510
235801399274,11cyclictest111788-21systemd-journal21:26:370
235801399273,9cyclictest111788-21systemd-journal20:35:350
2358013992714,5cyclictest764-21rs:main0
2358013992712,3cyclictest0-21swapper/023:52:570
235801399271,14cyclictest11050irq/107-eth%d22:57:520
2358015992613,9cyclictest2382144-21sendmail-msp20:30:422
2358015992611,14cyclictest2531191-21sendmail-msp23:50:372
235801499262,6cyclictest2393287-21grep20:57:461
235801499262,5cyclictest2418558-21cut21:37:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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