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2026-06-27 - 14:20
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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 Fri Jun 26, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18033218323,135sleep018039-21munin-run07:10:020
2020221105,12sleep020182-21apt-get07:17:110
67121085,11sleep0673-21fw_conntrack12:20:330
512321075,12sleep05150-21processes10:30:440
3234921065,12sleep031737-21/usr/sbin/munin10:10:510
1248421055,11sleep012487-21diskstats08:55:200
2282321045,12sleep022825-21irqstats11:40:340
972621035,12sleep09780-21sort08:45:040
245621025,11sleep02213-21/usr/sbin/munin10:20:290
1704321025,11sleep017037-21apt-get11:17:030
175821015,12sleep01712-21apt-get10:17:250
180889910036,26cyclictest0-21swapper/010:46:430
261272994,12sleep024879-21apt-get11:51:510
307482986,12sleep030746-21diskstats10:05:370
247962985,14sleep024794-21ntp_states07:35:390
19412985,13sleep01944-21/usr/sbin/munin12:25:250
189742986,12sleep018977-21df_inode11:25:180
18088999555,27cyclictest101ktimersoftd/012:10:410
256012946,77sleep025597-21ntp_states09:46:120
18088999454,26cyclictest101ktimersoftd/007:30:320
239042936,11sleep023910-21ntp_states09:40:390
18088999168,13cyclictest0-21swapper/007:10:030
18088999162,14cyclictest23075-21cat07:30:020
18088999147,30cyclictest3650irq/20-4900000011:07:130
18088998948,29cyclictest101ktimersoftd/012:35:170
18088998935,39cyclictest293602chrt12:05:280
18088998845,24cyclictest0-21swapper/008:36:100
18088998826,30cyclictest27261-21ntpq07:45:360
18088998825,19cyclictest20052-21wget11:30:140
18088998745,26cyclictest3650irq/20-4900000008:01:120
18088998732,37cyclictest0-21swapper/010:01:290
18088998645,22cyclictest0-21swapper/007:55:590
18088998544,22cyclictest0-21swapper/011:36:540
18088998525,28cyclictest4497-21latency_hist12:35:030
18088998441,28cyclictest20905-21seq09:30:010
18088998436,31cyclictest28243-21runrttasks09:55:520
18088998353,14cyclictest10150irq/55-4a10000008:45:150
18088998252,14cyclictest10150irq/55-4a10000008:05:510
18088998249,15cyclictest10150irq/55-4a10000009:20:340
18088998238,29cyclictest10250irq/56-4a10000009:05:200
18088998150,21cyclictest25871-21sshd07:40:220
18088998150,14cyclictest10150irq/55-4a10000011:45:280
18088998150,14cyclictest10150irq/55-4a10000010:50:270
1808899814,41cyclictest22643-21ntp_states09:35:380
18088998062,10cyclictest101ktimersoftd/009:50:200
18088998050,13cyclictest10150irq/55-4a10000010:40:010
18088998021,15cyclictest28999-21latency_hist12:05:040
18088997961,10cyclictest101ktimersoftd/011:00:310
18088997950,13cyclictest10150irq/55-4a10000011:20:270
18088997920,21cyclictest787-21haveged08:17:510
18088997859,11cyclictest101ktimersoftd/008:30:150
18088997849,14cyclictest10150irq/55-4a10000010:40:380
18088997847,13cyclictest10150irq/55-4a10000008:50:220
1808899784,12cyclictest16685-1kworker/0:0H09:15:310
18088997840,27cyclictest0-21swapper/009:30:230
18088997749,13cyclictest10150irq/55-4a10000009:10:170
18088997748,13cyclictest10150irq/55-4a10000007:20:170
18088997744,26cyclictest0-21swapper/008:10:210
18088997731,12cyclictest101ktimersoftd/008:29:100
18088997710,26cyclictest1305-21snmpd11:58:050
1808899767,17cyclictest28320-21df07:50:170
18088997657,11cyclictest101ktimersoftd/010:25:160
18088997630,31cyclictest13767-21forks09:00:230
18088997547,14cyclictest8950irq/40-mmc112:15:340
18088997546,13cyclictest10150irq/55-4a10000011:10:230
18088997545,19cyclictest11120-21/usr/sbin/munin10:55:280
18088997438,26cyclictest3821-21fw_conntrack08:20:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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