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2026-05-20 - 01:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Tue May 19, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4052274319sleep4054-21unixbench_singl07:05:360
446499248223cyclictest15049-21wc10:15:050
446499247222cyclictest24007-21munin-run10:54:490
446499247215cyclictest13799-21munin-run10:09:580
446499245222cyclictest23641-21grep08:31:380
446499245188cyclictest4459-21cyclictest11:00:250
446499244216cyclictest2936-21netwatch09:22:230
446499244213cyclictest7992-21ssh12:05:570
446499244183cyclictest629-21munin-run11:35:020
446499243214cyclictest2869-21snmpd07:25:310
446499242215cyclictest27075-21ssh11:07:190
446499242214cyclictest5742-21df_inode09:35:180
446499242212cyclictest10018-21latency_hist12:15:100
446499242210cyclictest32016-21diskmemload11:29:410
446499242180cyclictest11737-21ntpq12:22:020
446499241215cyclictest13839-21ls12:31:230
446499241179cyclictest10335-21date07:34:590
446499240216cyclictest11247-21runrttasks09:58:080
446499239214cyclictest32192-21date09:10:170
446499239212cyclictest21082-21ssh10:41:100
446499239210cyclictest7940-21ssh09:44:350
446499239210cyclictest32522-21munin-node0
446499239210cyclictest2417-21sleep11:41:380
446499238215cyclictest12190-21wc07:41:500
446499238212cyclictest25833-21ntp_kernel_err11:01:480
446499238209cyclictest30868-21apt09:04:360
446499238208cyclictest12870-21ntp_states12:27:090
446499237212cyclictest1786-21ifplugd11:39:030
446499237211cyclictest2935-21runrttasks09:46:380
446499237206cyclictest7512-21chrt12:04:030
446499236211cyclictest4022-21sh09:27:270
446499236211cyclictest20083-21wc08:16:280
446499236211cyclictest18609-21interrupts08:10:280
446499236211cyclictest10766-21netwatch07:36:030
446499236209cyclictest6190-21ssh11:57:530
446499236208cyclictest5986-21perl09:35:590
446499236208cyclictest1160-21tune2fs09:15:540
446499235211cyclictest18710-21cut10:30:500
446499235211cyclictest17913-21ntp_states10:27:020
446499235211cyclictest14303-21processes07:51:300
446499235210cyclictest6712-21runrttasks07:19:340
446499235210cyclictest30366-21sh11:21:460
446499235209cyclictest22211-21cat10:46:050
446499235208cyclictest5132-21ssh11:53:240
446499235207cyclictest11821-21fschecks_count10:00:460
446499234202cyclictest22948-21df08:29:550
446499234169cyclictest4324-21df_inode11:50:250
446499233208cyclictest20087-21missed_timers10:36:410
446499233167cyclictest16161-21df10:20:140
446499232209cyclictest28760-21df_inode08:55:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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