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2026-09-14 - 00:47
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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 Sun Sep 13, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2071526820,11sleep020717-21cmp19:05:080
22052991728,121cyclictest1319-21wget22:00:160
220529916738,93cyclictest10250irq/56-4a10000000:33:510
22052991667,104cyclictest26551-21sh23:36:360
22052991638,101cyclictest13979-21df20:45:190
220529916338,91cyclictest10250irq/56-4a10000023:00:230
22052991606,94cyclictest26510-21apt-get21:37:070
22052991605,98cyclictest21438-21apt-get23:18:160
220529915925,114cyclictest11289-21/usr/sbin/munin20:35:140
220529915924,116cyclictest29598-21wget21:45:150
22052991587,130cyclictest1305-21snmpd23:53:280
220529915838,100cyclictest1773-21runrttasks19:57:460
220529915833,108cyclictest10250irq/56-4a10000021:53:070
220529915827,116cyclictest20172-21munin-run23:15:040
22052991578,91cyclictest32226-40gzip00:00:070
22052991577,104cyclictest32491-21wget21:55:170
220529915742,102cyclictest11770-21df22:40:200
22052991569,125cyclictest4446-21grep20:06:290
22052991568,111cyclictest6691-21ntp_states20:15:430
22052991559,105cyclictest1305-21snmpd21:23:050
22052991558,126cyclictest26194-21/usr/sbin/munin19:25:300
22052991547,90cyclictest6081-21apt-get22:22:090
22052991547,125cyclictest28368-21/usr/sbin/munin19:35:130
22052991547,105cyclictest2010-21node20:32:490
22052991544,92cyclictest14908-21apt-get20:52:110
220529915435,101cyclictest3169-21runrttasks00:11:580
220529915410,108cyclictest24519-21munin-run19:20:010
22052991539,107cyclictest14274-21df_inode22:50:220
22052991537,120cyclictest18736-21seq23:08:280
22052991526,127cyclictest1609-21sendmail-mta23:30:190
22052991516,122cyclictest15421-21wget22:55:150
220529915138,97cyclictest3650irq/20-4900000020:20:220
22052991507,104cyclictest1305-21snmpd19:32:350
22052991497,122cyclictest28369-21sshd23:44:350
22052991497,102cyclictest5180-21fw_forwarded_lo22:15:300
22052991488,122cyclictest801-21dbus-daemon00:29:210
22052991487,123cyclictest1305-21snmpd00:03:440
22052991487,120cyclictest1305-21snmpd23:23:320
22052991487,107cyclictest29938-21chrt19:40:320
220529914843,94cyclictest1276-21runrttasks23:25:490
220529914841,96cyclictest2850-21runrttasks22:05:380
22052991477,120cyclictest8806-21/usr/sbin/munin20:25:110
22052991476,104cyclictest26368-21sshd21:33:520
220529914753,83cyclictest10944-21awk22:35:520
22052991469,85cyclictest3896-21df22:10:210
22052991467,104cyclictest25038-21ntp_states19:20:410
220529914618,110cyclictest1305-21snmpd21:13:020
22052991458,123cyclictest10249-21https00:40:080
22052991457,100cyclictest20097-21sshd21:08:360
220529914545,90cyclictest13289-21processes22:45:460
22052991449,98cyclictest12545-21/usr/sbin/munin20:40:330
22052991448,102cyclictest1305-21snmpd20:12:450
22052991446,99cyclictest4922-21runrttasks00:20:130
220529914440,92cyclictest16657-21/usr/sbin/munin20:55:320
22052991439,93cyclictest8442-21users22:25:490
220529914329,102cyclictest2211-21systemd00:09:360
22052991429,92cyclictest24385-21fw_forwarded_lo21:25:260
22052991427,118cyclictest3767-21wget00:15:170
22052991426,84cyclictest28668-21ntp_states21:40:420
220529914260,73cyclictest101ktimersoftd/021:00:170
220529914227,105cyclictest32342-21fw_forwarded_lo19:50:280
22052991419,89cyclictest28784-21fw_conntrack23:45:300
22052991417,116cyclictest9403-21memory22:30:380
220529914129,100cyclictest22136-21/usr/sbin/munin19:10:280
220529914042,88cyclictest2199-21aten_r7power_cu20:00:110
220529914029,100cyclictest1305-21snmpd21:15:430
220529913946,82cyclictest31138-21iwlist19:45:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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