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2026-07-23 - 17:16
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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 Thu Jul 23, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29834220428,49sleep00-21swapper/019:07:100
30237991727,145cyclictest1305-21snmpd00:08:370
302379916931,105cyclictest4335-21df_inode19:35:190
30237991657,137cyclictest22450-21apt-get23:05:040
302379916335,109cyclictest24382-21apt-key21:00:130
302379916227,112cyclictest10188-21wget22:15:140
30237991598,130cyclictest15367-21/usr/sbin/munin20:20:120
302379915937,107cyclictest22436-21apt-get23:05:420
30237991589,19cyclictest11822-21diskstats20:05:210
302379915840,106cyclictest31675-21seq19:15:150
30237991579,108cyclictest28311-21ntp_states23:25:370
302379915717,117cyclictest1408-21nginx00:24:060
30237991567,19cyclictest13000-21cut00:31:490
302379915620,116cyclictest787-21haveged21:15:040
30237991558,18cyclictest2865-21apt-get23:57:100
30237991557,129cyclictest29564-21ntp_states23:30:410
30237991548,108cyclictest14215-21ntp_states22:30:380
30237991546,128cyclictest24582-21ntp_states23:10:420
302379915453,86cyclictest101ktimersoftd/021:35:190
302379915411,100cyclictest14022-21df00:35:180
30237991538,127cyclictest19934-21apt22:55:000
302379915328,107cyclictest1408-21nginx00:13:130
30237991527,123cyclictest8578-21seq22:05:220
302379915217,115cyclictest1408-21nginx20:15:360
30237991519,107cyclictest1305-21snmpd22:21:180
30237991518,16cyclictest9180-21apt-get00:17:060
30237991517,125cyclictest17116-21seq20:25:460
30237991517,124cyclictest10377-21apt20:00:100
302379915130,104cyclictest10250irq/56-4a10000021:20:140
302379915122,110cyclictest802-21in:imuxsock23:40:020
302379914940,95cyclictest801-21dbus-daemon23:20:010
302379914923,115cyclictest7569-21runrttasks19:48:270
30237991489,118cyclictest21180-21munin-plugin-st23:00:010
30237991487,16cyclictest2010-21node22:49:320
302379914836,99cyclictest5037-21ntpq00:00:370
302379914835,97cyclictest10250irq/56-4a10000020:45:440
30237991477,16cyclictest31867-21df23:40:210
30237991476,99cyclictest1077-21users23:45:500
302379914732,104cyclictest16575-21fw_packets22:40:280
30237991468,118cyclictest26884-21seq23:20:180
30237991467,119cyclictest12857-21/usr/sbin/munin20:10:190
30237991467,104cyclictest1276-21runrttasks00:25:290
30237991466,120cyclictest26590-21sshd21:07:000
302379914649,88cyclictest21821-21wget20:50:150
302379914644,86cyclictest10150irq/55-4a10000022:26:180
302379914632,93cyclictest1735-21aten_r7power_po19:25:140
302379914621,107cyclictest3508-21wget21:45:150
302379914616,112cyclictest5751-21latency_hist21:55:030
302379914542,87cyclictest10150irq/55-4a10000020:40:280
30237991448,114cyclictest15136-21chrt22:35:150
30237991447,119cyclictest6999-21munin-run22:00:020
30237991447,116cyclictest1480-21munin-node19:55:130
30237991446,17cyclictest1305-21snmpd19:24:050
302379914425,110cyclictest28923-21chrt21:15:510
30237991437,18cyclictest18038-21sshd20:31:520
30237991437,125cyclictest23342-21seq20:55:400
30237991437,124cyclictest1305-21snmpd21:29:320
30237991429,91cyclictest19093-21apt20:40:010
302379914210,118cyclictest30515-21seq19:10:180
30237991419,118cyclictest3098-21df_inode19:30:210
30237991417,122cyclictest7363-21/usr/sbin/munin22:00:250
302379914143,87cyclictest8566-21runrttasks19:51:250
302379914043,86cyclictest32349-21runrttasks21:30:310
302379914034,94cyclictest9958-21latency_hist22:15:040
30237991398,20cyclictest2347-21df21:40:190
30237991398,17cyclictest1305-21snmpd23:51:390
30237991397,118cyclictest1305-21snmpd19:40:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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