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2025-08-21 - 22:12
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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 376 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Thu Aug 21, 2025 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151670,0ktimers/0250531sleep07:02:400
1514540,0ktimers/0171791sleep08:58:420
256779945055,0cyclictest27310-21munin-run09:46:560
256779944289,0cyclictest25384-21apt-get09:37:400
1514390,0ktimers/0242951sleep09:32:480
256779943777,0cyclictest20794-21munin-run09:17:000
2567799431102,0cyclictest17920-21awk09:02:580
256779942953,0cyclictest1927-21runrttasks07:22:590
1514270,0ktimers/0293271sleep09:57:130
256779942179,0cyclictest0-21swapper09:27:160
256779942069,0cyclictest29112-21ls12:27:030
2567799420107,0cyclictest23974-21chrt12:02:020
1514190,0ktimers/024431sleep10:22:250
2567799418110,0cyclictest0-21swapper11:06:540
256779941739,0cyclictest0-21swapper07:52:010
256779941637,0cyclictest31667-21df10:07:470
1514160,0ktimers/0141441sleep11:16:550
2567799415140,0cyclictest0-21swapper11:38:580
256779941439,0cyclictest29198-21munin-run09:57:010
2567799414153,0cyclictest0-21swapper10:41:540
256779940974,0cyclictest47-21kswapd008:56:560
256779940933,0cyclictest28377-21awk12:23:000
2567799409114,0cyclictest0-21swapper07:57:150
256779940733,0cyclictest25232-21apt-get12:07:310
2567799407142,0cyclictest0-21swapper11:54:260
256779940556,0cyclictest18467-21chrt11:36:370
256779940527,0cyclictest26469-21ls12:13:360
256779940481,0cyclictest30366-21munin-node10:03:370
256779940470,0cyclictest0-21swapper09:47:140
256779940438,0cyclictest0-21swapper11:49:020
256779940353,0cyclictest0-21swapper07:27:300
256779940138,0cyclictest26217-21awk07:08:240
256779940138,0cyclictest18988-21sshd09:07:580
1514000,0ktimers/05221sleep10:13:170
2567799399130,0cyclictest0-21swapper10:42:100
256779939572,0cyclictest14841-21awk08:48:190
256779939540,0cyclictest3397-21cron07:56:540
256779939371,0cyclictest2226-21munin-run10:21:560
256779939343,0cyclictest12203-21sh11:07:240
2567799393133,0cyclictest0-21swapper08:02:280
256779939247,0cyclictest27957-21munin-run12:21:550
256779939231,0cyclictest10470-21expr08:28:160
256779939135,0cyclictest20058-21ls11:43:040
2567799390104,0cyclictest0-21swapper08:46:540
256779938880,0cyclictest1927-21runrttasks08:33:490
256779938840,0cyclictest1198-21munin-run07:46:580
256779938830,0cyclictest7746-21cron08:16:550
256779938829,0cyclictest16964-21needreboot11:28:240
2567799385118,0cyclictest16322-21cron11:26:540
256779938472,0cyclictest1747-21ntpd10:32:490
256779938438,0cyclictest32397-21sshd07:38:580
256779938353,0cyclictest12340-21apt-get08:37:400
256779938279,0cyclictest26833-21munin-node07:12:130
256779938276,0cyclictest0-21swapper08:17:150
2567799382107,0cyclictest0-21swapper08:07:220
2567799382103,0cyclictest21472-21netstat09:18:330
2567799381125,0cyclictest0-21swapper10:53:310
256779937870,0cyclictest10905-21munin-run11:01:560
2567799378106,0cyclictest1722-21sendmail-mta09:24:240
256779937781,0cyclictest8040-21df_inode10:47:580
256779937759,0cyclictest1633-21nscd12:06:540
2567799377111,0cyclictest1927-21runrttasks12:33:120
256779937633,0cyclictest31138-21munin-node07:33:410
256779937466,0cyclictest0-21swapper08:22:130
256779937275,0cyclictest1626-21nscd07:17:280
2567799366104,0cyclictest15242-21apt11:21:550
2567799364120,0cyclictest3536-21apt-get10:27:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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