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2026-06-09 - 23:21
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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 rackbslot6.osadl.org (updated Tue Jun 09, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2430821830,5sleep353099cyclictest11:19:223
1767121660,4sleep251999cyclictest11:44:382
1336721570,5sleep151099cyclictest11:08:241
2213121470,2sleep30-21swapper/314:03:073
818921460,4sleep151099cyclictest13:49:111
106891980,4ptp4l401ktimersoftd/308:47:103
51999641,37cyclictest30665-21latency_hist11:59:092
51999640,33cyclictest31538-21cat10:54:072
46882640,4sleep233-21ksoftirqd/211:32:022
253812640,3sleep00-21swapper/011:19:310
51999634,26cyclictest14951-21taskset12:14:412
519996314,23cyclictest9927-21/usr/sbin/munin10:14:232
208612630,1sleep10-21swapper/114:00:561
530996249,7cyclictest41-21ksoftirqd/313:29:223
51999611,23cyclictest1815-21sed08:49:242
51999610,22cyclictest30201-21modprobe13:04:282
530996047,6cyclictest41-21ksoftirqd/312:14:243
51999601,30cyclictest19301-21/usr/sbin/munin12:19:312
51999600,29cyclictest21168-21cat13:29:112
51999591,22cyclictest11209-21/usr/sbin/munin11:39:232
51999590,25cyclictest8747-21mailstats10:09:292
51999590,24cyclictest26069-21awk10:44:352
51999590,23cyclictest13845-21/usr/sbin/munin13:54:282
51999590,22cyclictest24686-21acpi12:59:222
51999590,21cyclictest1307-21missed_timers09:54:272
181992590,3sleep10-21swapper/112:19:221
106891590,2ptp4l14027-21kworker/3:113:14:203
51999582,25cyclictest26514-21diskmemload11:36:382
51999580,24cyclictest19941-21sed13:59:422
505995814,7cyclictest9-21ksoftirqd/011:34:250
3712584,42sleep00-21swapper/008:48:530
510995716,7cyclictest25-21ksoftirqd/111:16:331
510995716,7cyclictest25-21ksoftirqd/111:16:331
106891570,1ptp4l401ktimersoftd/313:13:153
530995645,5cyclictest41-21ksoftirqd/309:44:183
51999561,25cyclictest22207-21snmp_o5powerctl09:29:332
51999561,25cyclictest22207-21snmp_o5powerctl09:29:332
106891550,1ptp4l401ktimersoftd/310:51:443
86902540,2sleep38670-21ssh12:09:243
505995426,4cyclictest9-21ksoftirqd/014:04:350
505995424,7cyclictest9-21ksoftirqd/009:09:040
51999531,34cyclictest30934-21cat09:49:212
530995140,5cyclictest41-21ksoftirqd/313:49:243
510995130,7cyclictest25-21ksoftirqd/112:14:351
505995126,3cyclictest9-21ksoftirqd/012:49:100
505995125,4cyclictest9-21ksoftirqd/012:19:310
530995041,4cyclictest41-21ksoftirqd/309:54:203
505995024,8cyclictest9-21ksoftirqd/013:44:110
505995024,4cyclictest9-21ksoftirqd/013:54:250
505995022,4cyclictest9-21ksoftirqd/014:14:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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