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2025-12-16 - 23:07
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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 Tue Dec 16, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15984211850,9sleep015472-21apt-get19:05:100
171659911723,53cyclictest19216-21users19:17:020
171659910582,14cyclictest0-21swapper/019:10:030
171659910119,44cyclictest813-21rs:main0
17165999923,38cyclictest31745-21ntpq22:11:540
17165999920,59cyclictest15804-21wget21:11:320
17165999823,36cyclictest718-21users22:17:030
17165999656,26cyclictest101ktimersoftd/023:46:380
17165999639,43cyclictest15989-21sendmail-msp23:20:020
17165999638,45cyclictest1295-21snmpd22:49:580
17165999630,51cyclictest5245-21latency_hist20:30:040
17165999614,40cyclictest17981-21apt-get21:21:180
17165999534,48cyclictest1295-21snmpd21:54:460
17165999521,20cyclictest754-21systemd-journal19:25:210
17165999520,56cyclictest1368-21nginx22:29:580
17165999520,36cyclictest1295-21snmpd21:17:120
17165999365,12cyclictest101ktimersoftd/000:31:340
17165999331,44cyclictest1300-21runrttasks23:14:490
17165999314,41cyclictest18739-21wget23:31:290
17165999227,47cyclictest11516-21diskstats23:01:400
17165999221,32cyclictest2394-21tr20:20:010
17165999143,32cyclictest813-21rs:main0
17165999116,37cyclictest9189-21/usr/sbin/munin22:51:530
17165999050,29cyclictest1693-21latency_hist00:30:030
17165999039,34cyclictest8950irq/40-mmc120:06:150
17165999022,20cyclictest26241-21grep00:00:020
17165999018,19cyclictest754-21systemd-journal22:05:570
17165998965,10cyclictest101ktimersoftd/022:41:300
17165998956,21cyclictest101ktimersoftd/021:30:490
17165998941,31cyclictest10150irq/55-4a10000000:07:370
17165998936,34cyclictest30623-21runrttasks00:16:070
17165998922,49cyclictest30713-21http20:05:040
17165998916,38cyclictest1295-21snmpd21:09:370
17165998840,37cyclictest1368-21nginx19:44:190
17165998818,33cyclictest1295-21snmpd21:59:470
17165998813,36cyclictest1295-21snmpd19:59:210
17165998727,46cyclictest1295-21snmpd23:00:000
17165998724,45cyclictest6003-21runrttasks22:39:260
17165998717,32cyclictest26156-21wget19:46:320
17165998645,26cyclictest101ktimersoftd/023:51:400
17165998625,44cyclictest3218-21aten_r7power_cu00:36:270
17165998618,48cyclictest19886-21gpgconf23:35:110
17165998617,51cyclictest7634-21sshd20:39:300
17165998617,36cyclictest803-21connmand23:41:570
17165998532,16cyclictest20839-21sh19:25:010
17165998517,35cyclictest1295-21snmpd21:29:400
17165998515,51cyclictest29516-21wget00:11:390
17165998457,11cyclictest101ktimersoftd/019:31:340
17165998446,28cyclictest13286-21sshd21:01:160
17165998430,17cyclictest32464-21runrttasks20:10:250
17165998419,50cyclictest9301-21wget20:46:310
17165998413,33cyclictest12638-21munin-run21:00:050
17165998340,29cyclictest10250irq/56-4a10000023:21:320
17165998325,38cyclictest786-21haveged20:45:030
17165998324,19cyclictest1300-21runrttasks20:23:560
17165998315,51cyclictest5573-21wget20:31:310
17165998216,48cyclictest25779-21find21:46:590
17165998151,13cyclictest10150irq/55-4a10000019:40:010
17165998149,13cyclictest10150irq/55-4a10000022:01:390
17165998138,33cyclictest786-21haveged00:01:520
17165998138,30cyclictest0-21swapper/022:20:570
17165998135,36cyclictest24962-21latency_hist21:45:020
17165998051,13cyclictest10150irq/55-4a10000019:51:570
17165998034,31cyclictest10250irq/56-4a10000020:54:330
17165998012,49cyclictest17321-21sshd23:25:060
17165997816,22cyclictest4885-21ls22:35:020
17165997710,32cyclictest754-21systemd-journal21:35:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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