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2026-04-25 - 13:45
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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 Fri Apr 24, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12229218422,55sleep012251-21ntpq07:05:280
130869911152,40cyclictest0-21swapper/010:30:210
6982210718,13sleep0101ktimersoftd/011:00:220
130869910519,32cyclictest27055-21df08:05:160
130869910358,28cyclictest101ktimersoftd/008:37:110
13086999954,27cyclictest101ktimersoftd/009:57:120
1308699995,37cyclictest18597-21users11:45:520
13086999840,38cyclictest0-21swapper/012:32:240
13086999757,24cyclictest101ktimersoftd/010:17:330
13086999757,11cyclictest101ktimersoftd/012:15:340
13086999738,39cyclictest0-21swapper/007:11:080
13086999549,29cyclictest5593-21aten_r7power_po10:55:120
13086999540,20cyclictest23624-21runrttasks12:06:090
13086999531,23cyclictest17525-21users07:25:500
13086999337,16cyclictest217082sleep009:51:360
13086999326,34cyclictest10250irq/56-4a10000011:59:270
13086999246,30cyclictest101ktimersoftd/008:50:400
13086999238,35cyclictest16742-21seq11:40:110
13086999237,13cyclictest101ktimersoftd/008:17:080
13086999150,24cyclictest101ktimersoftd/010:40:170
13086999133,42cyclictest101ktimersoftd/011:05:220
1308699911,72cyclictest170162chrt09:34:030
13086999041,14cyclictest10250irq/56-4a10000009:04:580
13086998954,27cyclictest0-21swapper/008:30:200
13086998932,23cyclictest14800-21wget09:25:120
13086998835,35cyclictest24705-21awk07:55:330
13086998834,33cyclictest17133-21latency_hist09:35:040
13086998749,26cyclictest0-21swapper/012:25:390
13086998748,24cyclictest101ktimersoftd/012:24:330
13086998745,27cyclictest3650irq/20-4900000010:45:410
13086998745,26cyclictest101ktimersoftd/007:50:300
13086998738,33cyclictest3650irq/20-4900000008:45:170
13086998715,34cyclictest11262-21apt-get11:17:060
1308699849,20cyclictest32311-21grep08:25:430
1308699848,22cyclictest754-21systemd-journal08:20:170
13086998457,11cyclictest101ktimersoftd/007:35:470
13086998448,20cyclictest10150irq/55-4a10000010:53:510
13086998438,15cyclictest32397-21lockfile-create12:40:020
13086998436,15cyclictest9464-21seq11:10:240
13086998425,18cyclictest26657-21load10:10:330
13086998420,14cyclictest10900-21latency_hist09:10:030
13086998419,16cyclictest12139-21latency_hist09:15:040
13086998410,19cyclictest28313-21diskstats08:10:220
1308699838,21cyclictest19959-21diskstats09:45:230
13086998353,13cyclictest10150irq/55-4a10000007:40:440
13086998347,22cyclictest101ktimersoftd/009:40:420
13086998345,26cyclictest101ktimersoftd/011:50:400
13086998341,28cyclictest3650irq/20-4900000010:20:230
13086998333,15cyclictest7158-21latency_hist08:55:040
13086998322,18cyclictest21890-21/usr/sbin/munin07:45:510
1308699828,18cyclictest21939-21diskstats12:00:290
13086998254,13cyclictest101ktimersoftd/007:17:040
13086998229,19cyclictest812-21avahi-daemon09:15:040
13086998221,28cyclictest787-21haveged07:35:020
13086998218,23cyclictest812-21avahi-daemon11:40:020
13086998144,26cyclictest0-21swapper/012:10:280
13086998112,49cyclictest15914-21chrt07:20:250
1308699808,35cyclictest25628-21/usr/sbin/munin08:00:110
1308699806,19cyclictest11760-21/usr/sbin/munin11:20:420
13086998031,36cyclictest30472-21/usr/sbin/munin10:25:220
1308699795,18cyclictest671-21df10:35:170
13086997950,14cyclictest10150irq/55-4a10000011:35:010
1308699787,19cyclictest24077-21diskstats10:00:220
13086997839,28cyclictest0-21swapper/010:05:210
13086997750,11cyclictest101ktimersoftd/008:40:260
13086997522,33cyclictest787-21haveged11:30:040
13086997355,11cyclictest101ktimersoftd/009:20:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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