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2026-04-26 - 15:08
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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 Apr 26, 2026 02:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2023212720,12sleep02022-21/usr/sbin/munin19:05:180
30189916815,97cyclictest15475-21aten_r7power_en22:05:130
3018991679,17cyclictest12392-40gzip00:00:120
30189916745,97cyclictest29918-21latency_hist20:55:030
30189916536,107cyclictest26369-21runrttasks22:45:200
3018991638,134cyclictest1305-21snmpd21:23:320
30189916229,121cyclictest1985-21apt-get23:17:080
30189916221,120cyclictest3720-21latency_hist21:20:050
30189916217,124cyclictest12306-21apt-key19:45:110
3018991618,132cyclictest1-21systemd00:00:010
3018991616,15cyclictest17258-21chrt00:19:090
30189916126,114cyclictest1305-21snmpd21:40:320
30189916034,108cyclictest10250irq/56-4a10000019:52:340
30189916027,114cyclictest8468-21/usr/sbin/munin19:30:150
30189915914,125cyclictest1408-21nginx23:03:560
30189915910,21cyclictest17804-21fw_forwarded_lo20:05:270
30189915810,19cyclictest1276-21runrttasks21:52:090
3018991575,21cyclictest812-21avahi-daemon00:37:080
3018991575,17cyclictest20232-21df20:15:160
30189915737,107cyclictest14600-21ntpq22:00:440
30189915723,22cyclictest17507-21/usr/sbin/munin00:20:360
3018991567,24cyclictest21586-21chrt22:27:100
30189915635,109cyclictest19326-21sshd00:25:350
30189915627,109cyclictest2567-21wget23:20:190
30189915620,118cyclictest1408-21nginx19:27:310
3018991547,125cyclictest27008-21sshd20:41:350
3018991546,23cyclictest13173-21fw_forwarded_lo21:55:260
3018991539,19cyclictest1408-21nginx21:02:450
30189915314,127cyclictest5387-21ntpq23:30:420
30189915230,103cyclictest1408-21nginx19:58:220
30189915229,111cyclictest20802-21chrt00:30:400
30189915133,107cyclictest8740-21aten_r7power_cu23:45:120
30189915129,110cyclictest21934-21apt-get22:30:280
3018991509,16cyclictest16068-21chrt00:14:390
3018991508,16cyclictest5515-21/usr/sbin/munin21:25:420
3018991507,17cyclictest29043-21ntp_states22:55:380
3018991507,17cyclictest25230-21df_inode20:35:180
3018991506,14cyclictest2953-21apt-get19:12:050
30189915037,102cyclictest5072-21ntpq19:15:350
30189915029,100cyclictest1318-21/usr/sbin/munin21:10:420
3018991497,16cyclictest11217-21https21:50:040
30189914948,90cyclictest28357-21runrttasks20:47:330
3018991488,20cyclictest7958-21ntp_states21:35:390
30189914816,20cyclictest1408-21nginx22:53:040
3018991479,125cyclictest2010-21node22:22:590
30189914735,101cyclictest14778-21sshd00:09:290
30189914730,97cyclictest23674-21/usr/sbin/munin22:35:130
3018991469,21cyclictest754-21systemd-journal19:25:000
3018991468,119cyclictest17997-21wget22:15:140
3018991467,16cyclictest430-21ntp_states21:05:400
30189914637,90cyclictest10150irq/55-4a10000020:10:120
30189914636,99cyclictest22801-21fw_packets20:25:290
30189914629,106cyclictest6412-21df23:35:200
3018991458,15cyclictest16842-21chrt22:10:160
3018991457,14cyclictest6747-21awk21:30:430
30189914522,16cyclictest30068-21wget20:55:130
30189914520,114cyclictest10328-21awk19:35:500
3018991449,18cyclictest16515-21df20:00:170
30189914443,86cyclictest10150irq/55-4a10000020:23:270
30189914434,97cyclictest11170-21diskstats19:40:200
30189914335,96cyclictest25679-21seq22:41:530
30189914329,103cyclictest31386-21fw_conntrack23:05:240
30189914311,11cyclictest1276-21runrttasks23:28:370
3018991428,24cyclictest32520-21cut23:10:320
3018991427,15cyclictest1305-21snmpd20:33:180
3018991418,17cyclictest10195-21fw_forwarded_lo23:50:280
3018991396,116cyclictest7666-21df23:40:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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