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2025-11-24 - 00:00
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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 Nov 23, 2025 13:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29951221030,52sleep00-21swapper/007:06:330
30424991639,112cyclictest4863-21df11:50:170
30424991638,16cyclictest32578-21ntp_states09:25:420
30424991638,16cyclictest21991-21latency_hist10:50:020
304249916223,118cyclictest1424-21nginx08:45:440
304249916033,112cyclictest13764-21apt-get10:18:200
304249916018,106cyclictest26243-21memory09:00:330
30424991598,99cyclictest16545-21diskstats12:35:440
30424991596,133cyclictest3886-21ps11:45:420
30424991587,103cyclictest1356-21snmpd09:15:450
30424991577,23cyclictest11675-21apt-get12:17:060
304249915720,117cyclictest8349-21latency_hist12:05:030
30424991569,107cyclictest10773-21df08:00:170
304249915654,95cyclictest15861-21iwlist08:20:310
304249915630,110cyclictest10250irq/56-4a10000010:31:060
30424991558,124cyclictest1087-21df11:35:180
30424991557,129cyclictest1424-21nginx09:43:560
30424991557,110cyclictest13835-21ntpq12:25:470
304249915525,92cyclictest1424-21nginx07:30:170
304249915510,89cyclictest19971-21fw_conntrack08:35:470
30424991547,91cyclictest4637-21apt-get09:47:120
30424991546,107cyclictest24595-21date11:00:050
304249915430,108cyclictest10250irq/56-4a10000008:28:430
304249915426,108cyclictest5475-21tr07:40:020
304249915411,105cyclictest19745-21wget10:40:170
30424991538,111cyclictest1356-21snmpd08:50:250
30424991537,128cyclictest10567-21chrt10:06:040
30424991536,129cyclictest1356-21snmpd08:10:290
304249915350,91cyclictest27565-21sshd09:05:390
304249915349,92cyclictest11580-21runrttasks10:10:240
304249915229,111cyclictest14445-21runrttasks10:20:160
304249915215,116cyclictest792-21haveged07:25:030
30424991516,20cyclictest12066-21fw_forwarded_lo08:05:260
304249915147,85cyclictest10150irq/55-4a10000009:35:430
304249915137,103cyclictest22977-21runrttasks10:52:530
304249915128,107cyclictest10250irq/56-4a10000012:24:220
304249915110,84cyclictest28815-21ntp_states09:10:410
304249915035,102cyclictest8940-21cut10:00:130
304249915021,117cyclictest21324-21ntpq08:40:390
30424991499,106cyclictest32223-21wget11:30:170
30424991497,14cyclictest24670-21/usr/sbin/munin08:55:370
304249914940,94cyclictest2168-21memory07:25:330
304249914939,99cyclictest15071-21ntpq12:30:450
304249914833,102cyclictest6303-21ntpq11:55:420
30424991479,99cyclictest32071-21memory07:15:350
30424991478,103cyclictest813-21in:imuxsock11:26:080
30424991477,122cyclictest6932-21wget07:45:160
30424991477,121cyclictest18977-21users10:35:520
304249914753,85cyclictest19204-21https08:35:050
30424991475,19cyclictest24955-21/usr/sbin/munin11:00:360
30424991469,91cyclictest16626-21munin-run10:30:030
30424991469,119cyclictest30626-21runrttasks11:24:050
30424991468,17cyclictest1356-21snmpd11:06:130
304249914623,111cyclictest9666-21/usr/sbin/munin12:10:140
304249914622,112cyclictest29111-21apt-get11:17:050
30424991459,102cyclictest31260-21memory09:20:360
30424991458,124cyclictest1394-21ntp_states09:30:440
30424991456,15cyclictest9200-21latency_hist07:55:020
304249914537,97cyclictest2374-21cpuspeed11:40:170
304249914536,98cyclictest802-21dbus-daemon08:20:020
30424991447,124cyclictest8012-21sshd09:55:410
30424991446,16cyclictest6570-21df09:50:180
30424991437,122cyclictest760-21systemd-journal07:10:350
30424991436,119cyclictest27488-21sh11:10:400
30424991427,114cyclictest10538-21latency_hist08:00:050
304249914221,105cyclictest5602-21seq07:40:110
30424991416,121cyclictest8421-21/usr/sbin/munin12:05:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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