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2026-01-04 - 01:49
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Sat Jan 03, 2026 13:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28312227024,200sleep028116-21/usr/sbin/munin07:05:160
292989910848,43cyclictest10250irq/56-4a10000010:35:400
12062210725,11sleep0101ktimersoftd/012:21:510
292989910338,47cyclictest101ktimersoftd/010:18:200
292989910261,25cyclictest101ktimersoftd/009:52:120
292989910259,26cyclictest101ktimersoftd/008:37:080
292989910064,23cyclictest0-21swapper/010:00:230
29298999831,31cyclictest101ktimersoftd/009:05:420
29298999739,41cyclictest0-21swapper/012:05:530
29298999635,44cyclictest10250irq/56-4a10000008:25:130
29298999538,36cyclictest28249-21cron11:20:010
29298999531,45cyclictest1305-21snmpd10:49:410
29298999364,13cyclictest101ktimersoftd/008:12:100
29298999337,42cyclictest9775-21wget12:15:160
29298999268,9cyclictest101ktimersoftd/010:55:240
29298999252,24cyclictest101ktimersoftd/007:35:410
29298999238,16cyclictest13503-21aten_r7power_en10:20:130
29298999215,41cyclictest5083-21munin-run09:50:030
29298999169,10cyclictest101ktimersoftd/011:00:260
29298999146,30cyclictest3650irq/20-4900000009:30:470
29298999114,22cyclictest30599-21sshd09:20:440
29298998964,11cyclictest101ktimersoftd/011:50:280
29298998935,18cyclictest652-21runrttasks07:25:050
29298998926,24cyclictest1668-21fw_conntrack09:35:220
29298998849,27cyclictest0-21swapper/007:20:310
29298998761,13cyclictest101ktimersoftd/011:25:280
29298998745,28cyclictest101ktimersoftd/011:40:430
242832876,11sleep024280-21ntp_states08:55:400
29298998661,11cyclictest101ktimersoftd/012:00:520
29298998638,32cyclictest101ktimersoftd/010:25:220
29298998616,11cyclictest10250irq/56-4a10000009:40:120
29298998612,34cyclictest6935-21wget09:55:160
29298998537,31cyclictest10250irq/56-4a10000009:15:220
29298998531,36cyclictest802-21in:imuxsock08:20:340
29298998517,49cyclictest2074-21wget07:30:140
29298998458,11cyclictest101ktimersoftd/009:10:510
29298998439,31cyclictest10250irq/56-4a10000011:20:110
29298998424,48cyclictest10250irq/56-4a10000007:44:210
29298998413,35cyclictest12892-21awk12:26:010
29298998362,11cyclictest0-21swapper/007:10:030
29298998339,29cyclictest101ktimersoftd/007:15:390
29298998334,32cyclictest754-21systemd-journal08:00:000
29298998333,32cyclictest10445-21runrttasks10:10:010
29298998327,17cyclictest1276-21runrttasks11:55:340
29298998323,46cyclictest23047-21ntp_states08:50:410
29298998323,44cyclictest208792chrt08:41:290
29298998319,32cyclictest1305-21snmpd08:09:350
2929899828,36cyclictest14028-21fw_conntrack12:30:260
29298998255,17cyclictest16001-21/usr/sbin/munin10:30:160
29298998217,31cyclictest9703-21if_eth008:00:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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