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2026-08-24 - 19:29
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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 Mon Aug 24, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27696210280,10sleep027698-21latency_hist19:10:020
2772199132109,13cyclictest0-21swapper/019:10:030
277219910333,30cyclictest1408-21nginx22:08:280
277219910318,47cyclictest1408-21nginx22:38:510
277219910275,17cyclictest14777-21dmidecode00:32:020
277219910124,29cyclictest8303-21munin-run00:10:060
27721999918,66cyclictest0-21swapper/019:17:580
27721999862,22cyclictest0-21swapper/020:23:360
27721999753,33cyclictest7523-21munin-plugin-st22:00:010
27721999624,57cyclictest1305-21snmpd21:12:100
27721999624,19cyclictest31823-21apt-get19:27:100
27721999559,21cyclictest101ktimersoftd/020:17:260
27721999555,24cyclictest0-21swapper/020:33:380
27721999542,35cyclictest1305-21snmpd22:26:140
27721999536,41cyclictest0-21swapper/019:48:300
27721999520,37cyclictest13010-21ntp_states00:26:050
27721999462,22cyclictest7293-21sshd19:50:410
27721999428,48cyclictest26357-21ntp_states21:05:420
27721999354,31cyclictest23467-21/usr/sbin/munin20:55:210
27721999348,29cyclictest3650irq/20-4900000022:22:180
27721999321,32cyclictest8981-21diskstats00:10:390
27721999313,21cyclictest30183-21apt-get19:22:110
27721999229,11cyclictest101ktimersoftd/023:17:240
27721999222,51cyclictest2784-21wget21:40:130
27721999222,51cyclictest19195-21nfs4_client22:45:340
27721999134,41cyclictest1305-21snmpd23:36:310
27721999121,32cyclictest2272-21apt-get19:36:290
27721999062,14cyclictest10529-21proc_pri00:15:540
27721999036,35cyclictest1182-21aten_r7power_en19:30:140
27721999035,40cyclictest3650irq/20-4900000023:05:230
27721999020,31cyclictest7862-21chrt22:00:230
27721998946,28cyclictest3650irq/20-4900000020:25:210
27721998944,33cyclictest31226-21runrttasks21:25:000
27721998924,23cyclictest3235-21diskstats23:50:240
27721998915,20cyclictest4144-21apt-get23:56:010
27721998845,28cyclictest28825-21seq21:15:060
27721998820,33cyclictest30489-21wget23:30:140
27721998818,19cyclictest15514-21ntp_states22:30:430
27721998817,33cyclictest801-21dbus-daemon20:40:000
27721998719,30cyclictest22640-21aten_r7power_en23:00:130
27721998717,34cyclictest951-21ntp_states23:41:030
27721998654,22cyclictest4520-21runrttasks21:45:490
27721998651,24cyclictest28395-21ntp_states23:20:490
27721998629,44cyclictest2010-21node20:45:210
27721998552,21cyclictest0-21swapper/000:20:070
27721998539,35cyclictest1821-21seq23:45:130
27721998533,36cyclictest83362chrt19:55:190
27721998526,42cyclictest0-21swapper/020:40:070
27721998523,20cyclictest22423-21df_inode20:50:180
27721998516,33cyclictest1305-21snmpd23:26:290
27721998451,21cyclictest21804-21processes22:55:440
27721998416,49cyclictest9429-21wget20:00:120
27721998416,32cyclictest6246-21memory00:00:340
27721998412,35cyclictest10833-21df20:05:190
27721998353,20cyclictest18024-21ntpq22:40:420
27721998334,33cyclictest3650irq/20-4900000022:10:180
27721998332,33cyclictest1398-21runrttasks21:35:130
27721998323,44cyclictest1305-21snmpd21:51:070
27721998314,50cyclictest4090-21wget19:40:120
27721998151,21cyclictest26220-21runrttasks23:15:040
27721998146,23cyclictest0-21swapper/021:25:280
27721998114,33cyclictest1305-21snmpd22:51:200
27721998111,36cyclictest25110-21ntp_states21:00:380
27721998054,12cyclictest101ktimersoftd/000:35:350
27721998035,34cyclictest11895-21runrttasks20:10:130
27721997942,27cyclictest0-21swapper/021:30:240
27721997824,43cyclictest10250irq/56-4a10000022:16:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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