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2026-04-29 - 10:52
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Wed Apr 29, 2026 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152020,0ktimers/0269361sleep19:12:510
270929946932,0cyclictest9607-21sendmail_mailtr20:45:170
1514600,0ktimers/082981sleep20:36:400
1514540,0ktimers/060481sleep20:25:100
1514490,0ktimers/073481sleep00:03:430
270929944733,0cyclictest16700-21munin-plugin-st21:25:170
1514420,0ktimers/057551sleep23:50:170
270929944131,0cyclictest29569-21chrt19:30:290
1514410,0ktimers/0209681sleep21:52:070
2709299440113,0cyclictest0-21swapper20:56:570
1514390,0ktimers/0242401sleep22:14:360
270929943827,0cyclictest6129-21ssh23:53:290
270929943728,0cyclictest3460-21snmpd23:38:410
1514350,0ktimers/0205341sleep21:48:530
2709299431121,0cyclictest0-21swapper20:50:180
1514300,0ktimers/0309951sleep23:00:310
270929942728,0cyclictest3435-21nscd23:34:130
1514250,0ktimers/0100361sleep00:23:330
270929942336,0cyclictest21563-21awk21:56:250
270929941529,0cyclictest27550-21chrt19:16:130
270929941529,0cyclictest18220-21idleruntime-cro21:35:010
270929941528,0cyclictest30031-21ssh22:55:020
2709299413103,0cyclictest9102-21grep00:16:510
270929941230,0cyclictest32023-21ssh23:09:490
270929941127,0cyclictest3729-21runrttasks00:11:210
270929941028,0cyclictest9201-21awk20:41:170
270929940929,0cyclictest15151-21diskmemload22:27:130
270929940830,0cyclictest3729-21runrttasks21:17:570
270929940829,0cyclictest13199-21sh00:45:010
270929940796,0cyclictest4445-21ls20:15:050
270929940729,0cyclictest19274-21grep21:40:250
270929940625,0cyclictest28631-21latency_hist19:25:130
1514060,0ktimers/0171561sleep21:28:300
270929940531,0cyclictest409-21apt19:50:010
270929940530,0cyclictest19089-21ssh21:39:410
270929940529,0cyclictest30291-21grep19:35:170
1514050,0ktimers/018771sleep19:57:530
270929940430,0cyclictest30293-21ntpq22:55:570
270929940429,0cyclictest8093-21apt00:10:010
270929940331,0cyclictest25007-21sed22:20:210
270929940329,0cyclictest2257-21sed20:00:490
270929940232,0cyclictest27671-21chrt22:40:130
270929940231,0cyclictest31747-21sh19:45:010
270929940230,0cyclictest2623-21munin-run23:30:050
270929940131,0cyclictest7154-21kworker/u4:3+flush-8:000:35:100
270929940128,0cyclictest1406-21munin-run23:20:050
270929939932,0cyclictest14247-21chrt21:08:170
270929939831,0cyclictest24706-21ssh22:18:130
270929939731,0cyclictest14445-21cat21:10:130
270929939730,0cyclictest28063-21df_inode22:42:010
270929939730,0cyclictest12359-21uname21:00:250
270929939728,0cyclictest22595-21sh22:03:210
270929939727,0cyclictest28918-21cpu19:26:050
270929939626,0cyclictest3729-21runrttasks23:14:410
270929939532,0cyclictest931-21expr19:51:250
270929939531,0cyclictest4918-21ssh23:43:290
270929939530,0cyclictest6838-21ssh23:59:370
270929939530,0cyclictest0-21swapper00:35:270
270929939529,0cyclictest6202-21sshd20:25:250
270929939529,0cyclictest10852-21cat00:30:130
270929939528,0cyclictest28964-21rm22:48:250
270929939428,0cyclictest26794-21ssh22:32:530
270929939428,0cyclictest23133-21chrt22:07:330
270929939331,0cyclictest6997-21irqstats20:30:210
270929938928,0cyclictest2065-21mailstats23:25:210
270929938830,0cyclictest3200-21df_inode20:06:090
2709299384134,0cyclictest0-21swapper20:15:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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