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2026-04-10 - 09:42
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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 Fri Apr 10, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9784272220sleep9783-21wc19:02:190
1047499270244cyclictest196252sleep00:12:150
1047499259128cyclictest20442-21sh22:07:030
1047499258130cyclictest23696-21sh22:19:200
1047499256112cyclictest20147-21missed_timers00:13:430
104749925595cyclictest10832-21ls19:07:390
1047499255134cyclictest2953-21runrttasks00:22:130
1047499255113cyclictest14146-21ssh23:50:190
1047499254127cyclictest1240-21mailstats20:48:160
1047499254111cyclictest22864-21ssh22:16:590
104749925385cyclictest24570-21interrupts22:23:120
104749925370cyclictest22803-21chrt20:01:230
1047499253113cyclictest5195-21diskmemload21:43:090
1047499252116cyclictest15773-21unixbench_singl19:28:220
1047499251120cyclictest7701-21sleep21:17:210
1047499251118cyclictest25702-21ssh00:36:190
1047499250124cyclictest8711-21ssh23:28:580
1047499250122cyclictest31473-21netwatch22:50:290
1047499249122cyclictest29371-21vmstat20:28:340
1047499248120cyclictest1105-21missed_timers22:58:510
1047499248118cyclictest12133-21ps21:34:010
1047499247126cyclictest7457-21ssh23:24:000
1047499247122cyclictest17814-21mailstats00:04:160
104749924682cyclictest16939-21sshd19:33:330
1047499246122cyclictest7835-21fschecks_count21:17:440
1047499246122cyclictest17455-21sh21:54:330
1047499246122cyclictest11890-21if_eth019:12:340
1047499245120cyclictest13754-21ssh21:40:270
1047499245118cyclictest6278-21processes23:19:090
1047499245113cyclictest10565-21/usr/sbin/munin23:37:160
1047499245111cyclictest30197-21chrt22:45:190
1047499245111cyclictest2834-21snmpd19:40:480
104749924480cyclictest22367-21idleruntime00:23:050
104749924471cyclictest23974-21munin-node0
1047499244112cyclictest9339-21ssh21:23:250
1047499244109cyclictest11376-21latency_hist21:32:190
1047499244106cyclictest2953-21runrttasks00:02:210
1047499243120cyclictest25757-21zcat20:13:140
1047499243120cyclictest15440-21ssh23:55:240
104749924294cyclictest10203-21kworker/u2:223:42:410
104749924279cyclictest28636-21sh22:39:000
1047499242117cyclictest30069-21chrt20:32:480
1047499242113cyclictest2331-21munin-node0
1047499242102cyclictest5195-21diskmemload21:47:410
104749924182cyclictest27072-21unixbench_singl20:18:300
1047499241115cyclictest4689-21ssh23:13:040
1047499241114cyclictest2675-21sshd20:53:560
1047499241113cyclictest24504-21chrt00:31:510
1047499241113cyclictest13766-21runrttasks19:21:210
1047499241110cyclictest627-21latency_hist20:46:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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