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2026-04-30 - 02:07
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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 Wed Apr 29, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25204213640,10sleep024031-21apt-get19:06:060
257349916151,28cyclictest101ktimersoftd/019:50:500
25734991529,43cyclictest22274-21/usr/sbin/munin23:15:030
2573499137112,15cyclictest0-21swapper/019:10:040
257349911485,18cyclictest7452-21dmidecode00:21:020
2329721129,12sleep023352-21apt-key21:10:090
11163210910,11sleep011169-21netstat20:20:340
4225210827,67sleep0101ktimersoftd/022:00:470
1609021075,11sleep016122-21irqstats20:40:300
2315721056,88sleep023155-21memory23:16:070
3050021047,85sleep030501-21fw_forwarded_lo23:45:320
822921035,87sleep08243-21sed20:10:020
1609721035,85sleep016148-21cat22:50:030
1229121015,83sleep012295-21/usr/sbin/munin20:25:210
42322995,81sleep04293-21cpuspeed00:10:180
25734999739,41cyclictest0-21swapper/023:09:360
3532955,79sleep0408-21cpu23:55:150
187082955,80sleep018725-21/usr/sbin/munin20:50:450
25734999434,42cyclictest0-21swapper/000:19:520
163652945,11sleep016368-21df_inode22:50:190
118892936,73sleep010642-21apt-get00:36:540
92162916,72sleep09249-21grep22:20:450
85442916,75sleep08547-21diskstats20:10:210
32362905,11sleep03239-21ntpq00:05:420
25734999040,33cyclictest25206-21irqstats21:15:320
25734998950,22cyclictest0-21swapper/020:03:570
25734998834,37cyclictest0-21swapper/023:04:340
23292885,71sleep02330-21diskstats19:45:210
25734998753,16cyclictest57512chrt22:07:160
25734998751,27cyclictest0-21swapper/021:00:220
25734998725,45cyclictest10250irq/56-4a10000021:06:030
2573499856,15cyclictest28326-21/usr/sbin/munin19:20:120
25734998554,15cyclictest156962chrt20:40:010
25734998542,28cyclictest101ktimersoftd/023:20:220
25734998535,32cyclictest754-21systemd-journal21:51:540
25734998524,26cyclictest10764-21apt-config00:35:090
25734998451,14cyclictest10150irq/55-4a10000023:40:000
25734998446,27cyclictest0-21swapper/021:55:210
25734998433,32cyclictest27458-21/usr/sbin/munin21:25:140
25734998350,15cyclictest25320-21/usr/sbin/munin23:25:140
25734998336,34cyclictest321412chrt21:43:530
296772825,14sleep00-21swapper/023:41:100
25734998262,12cyclictest101ktimersoftd/021:30:400
25734998252,14cyclictest116062chrt22:30:450
25734998252,12cyclictest10150irq/55-4a10000020:55:470
25734998248,25cyclictest0-21swapper/021:35:120
25734998232,18cyclictest61932chrt22:10:090
25734998218,18cyclictest8574-21latency_hist22:20:050
25734998161,12cyclictest101ktimersoftd/019:30:390
25734998145,29cyclictest27965-21seq19:18:100
25734998061,12cyclictest101ktimersoftd/022:35:390
25734998049,14cyclictest10150irq/55-4a10000022:40:240
25734998047,18cyclictest10150irq/55-4a10000000:28:530
25734998039,27cyclictest30192-21seq19:25:510
25734997961,10cyclictest101ktimersoftd/022:55:210
25734997950,14cyclictest10150irq/55-4a10000022:25:230
25734997936,32cyclictest26872-21ntpq23:30:350
25734997925,19cyclictest787-21haveged19:37:410
25734997850,18cyclictest57802sleep020:00:030
25734997826,18cyclictest1305-21snmpd21:49:190
25734997758,11cyclictest101ktimersoftd/020:30:290
25734997732,29cyclictest17343-21if_eth020:45:290
272632764,7sleep00-21swapper/021:24:440
25734997648,13cyclictest102532chrt20:16:150
2573499758,15cyclictest31888-21ntp_states23:50:420
25734997544,14cyclictest10150irq/55-4a10000000:00:430
25734997527,30cyclictest1062-21/usr/sbin/munin19:40:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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