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2026-08-07 - 18:05
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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 Aug 07, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24384221426,63sleep024387-21df19:05:150
253899910351,34cyclictest101ktimersoftd/019:17:060
253899910074,12cyclictest101ktimersoftd/023:11:280
253899910040,40cyclictest0-21swapper/019:48:030
25389999759,24cyclictest101ktimersoftd/023:08:500
50212965,12sleep05034-21ntp_states19:55:370
25389999552,25cyclictest101ktimersoftd/020:27:110
25389999248,28cyclictest101ktimersoftd/022:32:090
25389999150,10cyclictest101ktimersoftd/023:15:470
25389999137,36cyclictest32590-21fw_conntrack23:50:260
25389999061,12cyclictest101ktimersoftd/000:36:130
25389999029,31cyclictest1305-21snmpd23:03:490
25389998933,19cyclictest9260-21mailstats00:25:460
25389998839,33cyclictest101ktimersoftd/019:32:100
25389998833,39cyclictest0-21swapper/020:13:090
25389998743,28cyclictest101ktimersoftd/021:55:370
2538999869,37cyclictest8270-21apt-get22:17:100
25389998648,27cyclictest0-21swapper/021:35:200
25389998640,30cyclictest10250irq/56-4a10000023:25:550
25389998639,30cyclictest10250irq/56-4a10000023:38:080
25389998637,34cyclictest101ktimersoftd/023:46:530
25389998544,29cyclictest3650irq/20-4900000022:05:460
25389998536,18cyclictest754-21systemd-journal23:41:410
25389998458,18cyclictest3419-21/usr/sbin/munin19:50:140
25389998355,12cyclictest101ktimersoftd/000:17:110
25389998346,24cyclictest101ktimersoftd/000:04:020
25389998341,28cyclictest3650irq/20-4900000021:15:260
25389998341,19cyclictest27269-21runrttasks21:24:140
25389998336,31cyclictest3650irq/20-4900000021:43:260
2538999828,37cyclictest28190-21df_inode19:20:240
2538999828,36cyclictest24751-21fw_conntrack23:20:330
25389998262,12cyclictest101ktimersoftd/022:50:550
2538999825,61cyclictest1408-21nginx22:38:000
25389998244,26cyclictest0-21swapper/000:10:220
25389998224,19cyclictest61002chrt20:00:160
25389998220,29cyclictest787-21haveged21:00:040
25389998157,11cyclictest101ktimersoftd/022:46:510
25389998155,11cyclictest101ktimersoftd/021:30:420
25389998151,13cyclictest10150irq/55-4a10000023:00:020
25389998150,22cyclictest19465-21sshd20:51:400
25389998138,32cyclictest1264-21ntpq19:40:370
25389998059,13cyclictest101ktimersoftd/020:17:070
25389998050,13cyclictest10150irq/55-4a10000000:25:010
25389998041,29cyclictest10150irq/55-4a10000019:30:070
25389998032,31cyclictest18423-21runrttasks20:48:190
25389998032,19cyclictest1289-21cpu23:55:170
25389998028,35cyclictest3824-21cut00:05:170
25389997956,16cyclictest16368-21aten_r7power_vo20:40:150
25389997953,12cyclictest101ktimersoftd/022:10:340
25389997948,14cyclictest10150irq/55-4a10000021:05:400
25389997927,14cyclictest26354-21chrt19:13:020
25389997860,11cyclictest101ktimersoftd/019:35:190
25389997822,26cyclictest101ktimersoftd/021:10:150
2538999778,19cyclictest14436-21irqstats22:40:310
2538999777,17cyclictest1486-21diskstats21:50:250
25389997750,13cyclictest10150irq/55-4a10000023:30:260
25389997748,15cyclictest10150irq/55-4a10000020:20:390
25389997743,24cyclictest0-21swapper/020:05:210
25389997718,42cyclictest787-21haveged22:20:160
2538999767,31cyclictest14887-21latency_hist20:35:030
25389997659,10cyclictest101ktimersoftd/022:25:140
25389997657,10cyclictest101ktimersoftd/021:25:190
25389997648,13cyclictest10150irq/55-4a10000021:00:370
158322766,56sleep00-21swapper/020:37:360
25389997555,11cyclictest101ktimersoftd/022:00:280
25389997545,21cyclictest394-21runrttasks21:45:410
2538999747,16cyclictest10179-21diskstats00:30:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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