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2026-04-28 - 13:06
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Tue Apr 28, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19462223832158,171sleep00-21swapper19:04:430
197619910715,68cyclictest30422-21/usr/sbin/munin23:42:170
197619910425,70cyclictest0-21swapper22:35:330
197619910410,29cyclictest16435-21ls21:27:130
197619910320,45cyclictest13412-21apt-get00:27:240
197619910126,66cyclictest0-21swapper22:39:010
197619910112,27cyclictest22664-21ssh21:44:200
197619910110,54cyclictest5385-21/usr/sbin/munin22:28:440
197619910016,23cyclictest24497-21users23:23:570
19761999930,53cyclictest4843-21apt-get00:02:240
19761999920,56cyclictest31147-21users22:08:570
19761999916,62cyclictest30132-21users19:58:210
19761999915,23cyclictest16935-21df23:02:480
19761999914,45cyclictest16466-21apt-get21:27:240
19761999914,27cyclictest3191-21ssh22:22:460
19761999837,39cyclictest10201-21ntpq21:08:410
19761999817,21cyclictest18561-21fw_conntrack21:33:090
19761999816,23cyclictest7484-21users00:08:560
19761999815,23cyclictest2816-21munin-run22:22:060
19761999813,63cyclictest22378-21df19:17:370
19761999811,49cyclictest12558-21ssh21:15:310
19761999811,48cyclictest21729-21ssh23:17:100
19761999810,26cyclictest16057-21grep00:33:540
19761999716,59cyclictest11383-21ssh22:47:050
19761999716,22cyclictest30082-21munin-run22:07:080
19761999715,50cyclictest0-21swapper22:15:540
19761999715,46cyclictest32664-21ssh23:48:280
19761999713,67cyclictest8788-21wc00:13:270
19761999712,64cyclictest3129-21/usr/sbin/munin23:58:040
19761999635,41cyclictest14015-21users21:19:070
19761999625,60cyclictest0-21swapper00:25:350
19761999624,57cyclictest0-21swapper00:20:080
19761999617,58cyclictest20255-21df_inode21:37:580
19761999616,59cyclictest25330-21df21:52:530
19761999615,43cyclictest28681-21ssh23:37:160
19761999615,22cyclictest25640-21fw_conntrack23:28:060
19761999614,61cyclictest15227-21df22:57:530
19761999611,63cyclictest28905-21grep19:53:000
19761999517,58cyclictest11512-21apt-get22:47:250
19761999512,61cyclictest2299-21unixbench_singl23:53:510
19761999512,49cyclictest13492-21ssh22:52:490
19761999512,23cyclictest27738-21/usr/sbin/munin23:33:460
19761999510,64cyclictest28361-21ssh22:02:050
19761999443,34cyclictest24426-21ntp_offset19:28:030
19761999414,20cyclictest8965-21/usr/sbin/munin21:02:480
19761999410,24cyclictest18379-21sh23:07:160
19761999316,59cyclictest0-21swapper19:12:060
19761999311,42cyclictest4881-21unixbench_singl20:38:120
19761999311,23cyclictest23690-21ssh21:48:000
19761999218,25cyclictest21166-21df_inode19:12:350
19761999215,39cyclictest23435-21munin-run23:22:070
19761999215,17cyclictest7626-21munin-run20:57:060
19761999214,56cyclictest27151-21ntp_states19:43:040
19761999210,28cyclictest25581-21grep19:33:130
19761999121,49cyclictest510-21/usr/sbin/munin20:18:180
19761999117,56cyclictest0-21swapper20:13:010
19761999019,22cyclictest27840-21/usr/sbin/munin19:47:430
19761999017,23cyclictest3228-21apt-get20:32:220
19761999010,21cyclictest25989-21sed19:37:380
19761998913,27cyclictest2357-21wget20:27:270
19761998817,23cyclictest23275-21df19:22:350
19761998816,24cyclictest30796-21/usr/sbin/munin20:03:060
19761998812,56cyclictest31160-21apt-get20:07:250
19761998716,22cyclictest6138-21df20:47:350
19761998712,23cyclictest1849-21missed_timers20:22:580
19761998616,23cyclictest5309-21df_inode20:42:410
19761998516,23cyclictest7945-21df20:57:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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