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2025-12-10 - 14:18
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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 highest latencies:
System rack7slot8.osadl.org (updated Wed Dec 10, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11542222028,45sleep00-21swapper/019:09:130
117059917228,123cyclictest1424-21nginx21:38:040
117059916837,91cyclictest10250irq/56-4a10000021:32:560
117059916713,112cyclictest1424-21nginx00:38:360
117059916631,117cyclictest1336-21runrttasks19:40:150
11705991658,102cyclictest10867-21ntp_states21:10:430
11705991627,134cyclictest25046-21sshd00:15:410
117059916227,97cyclictest30507-21wget22:30:140
11705991616,115cyclictest760-21systemd-journal21:26:400
11705991608,131cyclictest1356-21snmpd19:27:410
11705991598,96cyclictest22553-21runrttasks21:57:470
11705991597,129cyclictest1356-21snmpd00:13:550
117059915924,118cyclictest5990-21ps20:50:460
11705991588,128cyclictest1356-21snmpd19:47:090
11705991577,95cyclictest1336-21runrttasks21:15:220
11705991569,92cyclictest28412-21/usr/sbin/munin00:30:330
11705991568,128cyclictest18139-21/usr/sbin/munin19:35:110
11705991557,128cyclictest1356-21snmpd23:38:470
11705991557,110cyclictest17908-21/usr/sbin/munin19:35:040
117059915521,97cyclictest26862-21sshd00:23:300
11705991549,90cyclictest32324-21diskstats22:35:370
11705991548,111cyclictest27391-21fw_conntrack00:25:230
11705991548,104cyclictest23193-21fw_conntrack22:00:260
117059915442,101cyclictest23364-21latency_hist00:10:030
11705991539,107cyclictest5783-21munin-run23:00:030
11705991538,110cyclictest32414-21/usr/sbin/munin20:30:040
117059915345,97cyclictest7813-21runrttasks23:06:090
117059915338,95cyclictest3650irq/20-4900000019:10:260
11705991528,101cyclictest20860-21sshd21:50:410
117059915221,111cyclictest1356-21snmpd22:40:430
11705991517,87cyclictest24501-21irqstats22:05:320
11705991517,104cyclictest21242-21memory00:00:360
11705991517,102cyclictest18510-21wget23:50:220
117059915147,93cyclictest28158-21runrttasks22:20:190
11705991508,120cyclictest1356-21snmpd19:50:420
11705991508,106cyclictest1356-21snmpd21:48:230
11705991507,89cyclictest18164-21df21:40:170
117059915028,103cyclictest1-21systemd23:03:280
117059915021,89cyclictest8876-21sshd21:03:030
11705991498,98cyclictest12560-21ntp_states23:25:450
11705991488,102cyclictest4536-21irqstats20:45:300
11705991487,98cyclictest1674-21ntpd20:35:370
11705991485,17cyclictest23777-21runrttasks19:55:120
117059914825,111cyclictest1356-21snmpd22:50:140
11705991479,93cyclictest1336-21runrttasks00:00:030
11705991479,91cyclictest1174-21users20:31:410
11705991477,123cyclictest8702-21seq23:10:330
11705991467,14cyclictest26676-21ntp_states20:05:420
11705991467,122cyclictest1356-21snmpd23:43:470
11705991467,118cyclictest1356-21snmpd23:17:110
117059914650,78cyclictest10150irq/55-4a10000020:17:090
11705991458,91cyclictest13792-21apt-get19:17:070
117059914545,88cyclictest17379-21runrttasks23:45:270
117059914527,97cyclictest25451-21/usr/sbin/munin22:10:190
117059914527,105cyclictest7612-21sshd20:58:020
117059914441,92cyclictest27737-21seq22:19:190
117059914438,93cyclictest14117-21latency_hist21:25:020
117059914421,109cyclictest10092-21sshd21:07:520
11705991438,83cyclictest2353-21df22:45:160
117059914339,86cyclictest10150irq/55-4a10000020:43:090
117059914327,105cyclictest25340-21irqstats20:00:330
11705991428,90cyclictest29604-21ntp_states22:25:420
11705991427,95cyclictest1336-21runrttasks23:33:070
11705991419,120cyclictest11305-21sshd23:20:420
11705991419,113cyclictest15424-21latency_hist19:25:030
11705991418,94cyclictest30072-21wget20:20:130
11705991409,112cyclictest27756-21seq20:10:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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