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2026-03-25 - 06:30
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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 100 highest latencies:
System rack4slot4.osadl.org (updated Wed Mar 25, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71650rcu_preempt24876-21kworker/u8:000:27:260
71650rcu_preempt24876-21kworker/u8:000:27:260
525399543cyclictest0-21swapper/020:27:180
525399543cyclictest0-21swapper/020:27:180
5253995421cyclictest15291-21ntp_kernel_pll_21:27:210
5253995421cyclictest15291-21ntp_kernel_pll_21:27:210
525399528cyclictest15262-1kworker/0:2H23:24:280
525399528cyclictest15262-1kworker/0:2H23:24:280
525399528cyclictest15262-1kworker/0:2H23:24:280
525399523cyclictest0-21swapper/000:20:560
525399523cyclictest0-21swapper/000:20:560
525399523cyclictest0-21swapper/000:20:560
525399521cyclictest23270-21apt-get21:42:090
525399521cyclictest23270-21apt-get21:42:090
525399521cyclictest23270-21apt-get21:42:090
525399513cyclictest4509-21apt-get22:07:080
525399513cyclictest4509-21apt-get22:07:080
525399513cyclictest0-21swapper/023:47:230
525399513cyclictest0-21swapper/023:47:230
525399513cyclictest0-21swapper/022:25:460
525399513cyclictest0-21swapper/022:25:460
525399513cyclictest0-21swapper/022:25:460
525399513cyclictest0-21swapper/020:52:160
525399513cyclictest0-21swapper/020:52:160
525399512cyclictest25433-21apt-get23:42:060
525399512cyclictest25433-21apt-get23:42:060
525399512cyclictest25433-21apt-get23:42:060
525399512cyclictest17975-21munin-run00:26:570
525399512cyclictest17975-21munin-run00:26:570
525399512cyclictest17975-21munin-run00:26:570
5253995121cyclictest24647-21cut20:21:570
5253995121cyclictest24647-21cut20:21:570
5253995121cyclictest24647-21cut20:21:570
525399511cyclictest32522-21apt-get22:57:060
525399511cyclictest32522-21apt-get22:57:060
525399511cyclictest32522-21apt-get22:57:060
525399511cyclictest0-21swapper/019:15:030
525399511cyclictest0-21swapper/019:15:030
5253995119cyclictest24434-21df22:42:110
5253995119cyclictest24434-21df22:42:110
5253995119cyclictest24434-21df22:42:110
525399504cyclictest0-21swapper/022:00:560
525399504cyclictest0-21swapper/022:00:560
525399504cyclictest0-21swapper/022:00:560
525399503cyclictest12325-21df_abs21:22:130
525399503cyclictest12325-21df_abs21:22:130
525399503cyclictest0-21swapper/022:47:350
525399503cyclictest0-21swapper/022:47:350
525399503cyclictest0-21swapper/022:02:250
525399503cyclictest0-21swapper/022:02:250
525399502cyclictest4830-21ntp_states00:02:230
525399502cyclictest4830-21ntp_states00:02:230
525399502cyclictest4830-21ntp_states00:02:230
525399502cyclictest15975-21diskstats22:27:140
525399502cyclictest15975-21diskstats22:27:140
525399502cyclictest10599-21meminfo22:17:160
525399502cyclictest10599-21meminfo22:17:160
525399502cyclictest10599-21meminfo22:17:160
525399502cyclictest0-21swapper/023:17:170
525399502cyclictest0-21swapper/023:17:170
525399502cyclictest0-21swapper/023:02:060
525399502cyclictest0-21swapper/023:02:060
525399502cyclictest0-21swapper/019:32:060
525399502cyclictest0-21swapper/019:32:060
525399502cyclictest0-21swapper/000:09:490
525399502cyclictest0-21swapper/000:09:490
525399501cyclictest21362-21apt-get22:37:080
525399501cyclictest21362-21apt-get22:37:080
525399501cyclictest20124-1kworker/0:2H20:12:020
525399501cyclictest0-21swapper/021:32:350
525399501cyclictest0-21swapper/021:32:350
525399494cyclictest4859-21apt-get21:07:080
525399494cyclictest4859-21apt-get21:07:080
525399494cyclictest4859-21apt-get21:07:080
525399494cyclictest4719-21munin-run21:06:560
525399494cyclictest4719-21munin-run21:06:560
525399493cyclictest9963-21diskstats00:12:130
525399493cyclictest9963-21diskstats00:12:130
525399493cyclictest8608-21ntp_states19:22:210
525399493cyclictest8608-21ntp_states19:22:210
525399493cyclictest0-21swapper/023:30:130
525399493cyclictest0-21swapper/023:30:130
525399493cyclictest0-21swapper/023:30:130
525399493cyclictest0-21swapper/023:13:560
525399493cyclictest0-21swapper/023:13:560
525399493cyclictest0-21swapper/023:13:560
525399493cyclictest0-21swapper/020:37:150
525399493cyclictest0-21swapper/020:37:150
525399493cyclictest0-21swapper/020:32:240
525399493cyclictest0-21swapper/020:32:240
525399493cyclictest0-21swapper/019:47:190
525399493cyclictest0-21swapper/019:47:190
525399493cyclictest0-21swapper/019:47:190
525399492cyclictest5863-21df23:07:110
525399492cyclictest5863-21df23:07:110
525399492cyclictest5863-21df23:07:110
525399492cyclictest30901-21/usr/sbin/munin23:52:240
525399492cyclictest30901-21/usr/sbin/munin23:52:240
525399492cyclictest21810-21apt-get20:12:190
525399492cyclictest21810-21apt-get20:12:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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