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2026-06-19 - 20:12
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Fri Jun 19, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9215221028,50sleep00-21swapper/019:06:580
8252211410,12sleep08234-21apt-get23:17:100
2654321139,12sleep01-21systemd00:28:350
15115211111,12sleep015118-21ntp_states19:30:400
97121076,11sleep01022-21apt-key22:50:120
17016210710,13sleep016081-21apt-get23:51:190
3127321046,13sleep031265-21ntp_states22:41:220
96469910343,42cyclictest0-21swapper/021:45:230
932421026,12sleep0787-21haveged21:15:450
322502995,12sleep032258-21fw_conntrack22:45:250
276132976,12sleep027669-21df20:20:210
28782945,78sleep02881-21ntpq22:55:380
2646129416,66sleep0101ktimersoftd/020:16:140
200812944,11sleep020087-21ntp_states19:50:370
140912946,75sleep014092-21users19:25:500
9646999351,12cyclictest101ktimersoftd/022:27:110
9646999337,40cyclictest0-21swapper/021:08:040
220052935,11sleep022003-21ntp_states00:10:400
250992925,11sleep025125-21ps20:10:430
964699888,27cyclictest31680-21ntp_states20:35:410
964699879,41cyclictest22190-21/usr/sbin/munin20:00:310
9646998736,35cyclictest14814-21runrttasks21:38:590
9646998657,14cyclictest10150irq/55-4a10000023:06:360
9646998649,22cyclictest0-21swapper/021:28:090
9646998548,26cyclictest0-21swapper/020:40:210
9646998542,28cyclictest3650irq/20-4900000020:25:310
9646998524,21cyclictest22850-21/usr/sbin/munin00:15:330
124762856,68sleep012478-21fw_forwarded_lo19:20:260
9646998444,27cyclictest10250irq/56-4a10000022:00:140
9646998436,15cyclictest10250irq/56-4a10000021:57:080
9646998351,15cyclictest10150irq/55-4a10000022:17:130
9646998337,28cyclictest11568-21seq23:30:350
9646998323,15cyclictest6222-21latency_hist21:05:030
9646998245,26cyclictest0-21swapper/020:30:220
9646998223,14cyclictest2487-21latency_hist20:50:030
9646998151,14cyclictest10150irq/55-4a10000022:30:250
9646998141,28cyclictest101ktimersoftd/021:53:150
9646998131,33cyclictest11233-21if_eth019:15:280
9646998128,23cyclictest7982-21ntp_states21:10:420
9646998121,16cyclictest10849-21latency_hist19:15:030
9646998113,18cyclictest1305-21snmpd00:23:470
9646998043,25cyclictest101ktimersoftd/023:23:340
9646998040,27cyclictest101ktimersoftd/023:13:330
9646998026,34cyclictest21290-21chrt22:05:090
9646997953,14cyclictest101ktimersoftd/021:24:160
9646997948,13cyclictest10150irq/55-4a10000020:50:420
9646997945,25cyclictest0-21swapper/000:35:250
9646997913,47cyclictest754-21systemd-journal20:05:110
964699787,19cyclictest18643-21df19:45:160
9646997849,14cyclictest10150irq/55-4a10000019:40:010
9646997848,14cyclictest10150irq/55-4a10000022:38:350
9646997848,13cyclictest10150irq/55-4a10000019:55:190
9646997839,24cyclictest10150irq/55-4a10000021:40:400
9646997828,14cyclictest17823-21/usr/sbin/munin23:55:130
9646997748,13cyclictest10150irq/55-4a10000023:40:440
9646997748,13cyclictest10150irq/55-4a10000023:35:170
9646997730,30cyclictest1276-21runrttasks23:25:200
9646997720,39cyclictest0-21swapper/019:42:470
964699767,16cyclictest20563-21diskstats00:05:260
9646997647,13cyclictest10150irq/55-4a10000000:00:220
9646997646,15cyclictest10150irq/55-4a10000000:30:380
9646997559,10cyclictest101ktimersoftd/022:10:270
9646997552,9cyclictest101ktimersoftd/023:00:240
9646997533,29cyclictest101ktimersoftd/022:20:200
9646997456,11cyclictest101ktimersoftd/021:30:300
9646997425,13cyclictest101ktimersoftd/020:55:200
9646997334,26cyclictest3650irq/20-4900000023:45:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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