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2026-07-30 - 21:40
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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 30, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2578521984191,1436sleep025778-21/usr/sbin/munin19:05:140
269649916645,16cyclictest5040-21cut19:50:110
26964991597,28cyclictest21057-21latency_hist20:55:010
269649915925,11cyclictest0-21swapper/021:34:360
269649915748,13cyclictest10150irq/55-4a10000021:40:260
269649915737,29cyclictest8950irq/40-mmc100:10:350
269649915651,13cyclictest10150irq/55-4a10000019:25:180
269649915648,13cyclictest10150irq/55-4a10000023:55:520
269649915242,13cyclictest10150irq/55-4a10000023:20:130
269649915146,16cyclictest18697-21/usr/sbin/munin20:45:110
269649915144,18cyclictest17876-21runrttasks22:48:170
26964991506,31cyclictest5201-21gpgv00:05:050
26964991506,16cyclictest28450-21apt-get23:32:090
269649915059,11cyclictest101ktimersoftd/021:05:040
269649915051,14cyclictest2366-21apt-key19:40:140
269649915049,14cyclictest11687-21seq00:25:520
269649915025,40cyclictest101ktimersoftd/023:10:050
26964991496,16cyclictest23067-21apt-get23:12:120
269649914951,14cyclictest24019-21apt-key21:05:180
269649914940,21cyclictest1780-21runrttasks19:38:220
269649914844,13cyclictest10150irq/55-4a10000022:00:020
269649914844,12cyclictest10150irq/55-4a10000021:20:000
269649914842,19cyclictest7945-21runrttasks22:08:400
269649914724,38cyclictest1408-21nginx21:11:170
269649914640,18cyclictest21914-21latency_hist23:05:040
269649914630,26cyclictest0-21swapper/019:19:070
26964991462,44cyclictest5176-21apt-get00:05:330
269649914620,32cyclictest754-21systemd-journal00:31:370
269649914543,16cyclictest6978-21runrttasks19:56:540
269649914540,19cyclictest32745-21latency_hist21:40:060
269649914455,11cyclictest101ktimersoftd/019:10:180
26964991437,49cyclictest1276-21runrttasks20:32:540
269649914353,13cyclictest101ktimersoftd/019:45:210
269649914258,11cyclictest101ktimersoftd/021:50:450
269649914258,10cyclictest101ktimersoftd/022:25:220
269649914255,11cyclictest101ktimersoftd/020:15:410
269649914056,11cyclictest101ktimersoftd/022:30:190
26964991396,14cyclictest8866-21irqstats00:15:330
269649913953,11cyclictest101ktimersoftd/022:38:020
26964991389,60cyclictest101ktimersoftd/019:34:310
269649913856,10cyclictest101ktimersoftd/023:25:420
269649913744,25cyclictest101ktimersoftd/019:24:090
26964991297,24cyclictest1276-21runrttasks20:39:050
26964991287,18cyclictest2010-21node22:21:480
269649912010,17cyclictest1305-21snmpd00:23:280
603521099,83sleep06046-21irqstats22:00:320
185862995,81sleep018614-21latency_hist20:45:030
26964999567,11cyclictest101ktimersoftd/022:55:030
13642955,79sleep01305-21snmpd23:49:510
26964999231,47cyclictest10250irq/56-4a10000022:56:540
85892875,69sleep08002-1kworker/0:3H20:04:530
26964998743,12cyclictest10150irq/55-4a10000000:35:360
85062855,68sleep08520-21irqstats22:10:310
26964998536,13cyclictest1276-21runrttasks21:48:150
26964998357,12cyclictest10150irq/55-4a10000020:25:180
26964998353,16cyclictest21652-21processes20:55:480
26964998047,15cyclictest10150irq/55-4a10000020:05:260
26964998036,13cyclictest10250irq/56-4a10000023:38:470
2696499779,16cyclictest25040-21fw_conntrack23:15:270
2696499777,34cyclictest2648-21latency_hist23:55:020
26964997750,17cyclictest13600-21cron20:25:000
26964997734,30cyclictest101ktimersoftd/023:43:060
26964997726,15cyclictest101ktimersoftd/021:25:140
26964997658,10cyclictest101ktimersoftd/022:15:210
26964997632,31cyclictest10250irq/56-4a10000020:10:150
26964997624,14cyclictest27819-21/usr/sbin/munin21:20:240
26964997537,27cyclictest0-21swapper/022:40:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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