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2026-08-24 - 11:47
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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 Sun Aug 23, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31410220827,50sleep00-21swapper/007:06:110
319289916455,19cyclictest12206-21latency_hist10:05:070
319289916256,14cyclictest10150irq/55-4a10000009:15:150
319289914946,27cyclictest0-21swapper/012:10:070
1604211515,88sleep01673-21awk09:25:160
479521107,10sleep04796-21diskstats07:30:220
2537121106,86sleep025324-21latency_hist10:55:060
1020521067,85sleep09225-21apt-get09:56:190
3239021036,82sleep032397-21/usr/sbin/munin11:20:370
1149121015,84sleep011498-21ntp_states07:55:410
321762995,82sleep032198-21df07:10:170
206432994,11sleep019426-21apt-get12:36:420
180432995,10sleep01305-21snmpd08:21:280
133162996,82sleep013314-21users10:06:380
102382996,82sleep010248-21ntpq07:50:480
206562985,82sleep020678-21uptime10:35:470
31928999739,41cyclictest0-21swapper/011:06:260
31928999637,42cyclictest10250irq/56-4a10000010:30:170
275212967,13sleep027528-21fw_conntrack09:00:250
146622955,79sleep013638-21apt-get12:16:290
12502955,79sleep01251-21memory11:26:030
3192899949,19cyclictest22606-21aten_r7power_cu10:45:130
31928999329,49cyclictest101ktimersoftd/011:37:130
31928999168,15cyclictest18725-21dmidecode12:31:000
31928999145,31cyclictest3650irq/20-4900000009:52:100
31928999035,41cyclictest0-21swapper/010:25:070
41632886,70sleep04166-21df09:35:180
31928998865,10cyclictest101ktimersoftd/007:15:050
31928998844,31cyclictest3650irq/20-4900000010:57:150
31928998844,30cyclictest3650irq/20-4900000007:35:140
31928998837,32cyclictest28634-21aten_r7power_vo09:05:150
77672876,70sleep07769-21fw_forwarded_lo11:50:400
31928998746,23cyclictest0-21swapper/011:41:360
31928998634,19cyclictest7757-21runrttasks07:41:140
3192899857,18cyclictest2531-21ntp_states11:30:380
31928998541,29cyclictest3650irq/20-4900000008:40:260
31928998518,31cyclictest787-21haveged10:20:060
31928998453,14cyclictest10150irq/55-4a10000009:20:210
31928998448,28cyclictest0-21swapper/008:25:220
31928998358,10cyclictest101ktimersoftd/008:00:190
31928998352,14cyclictest10150irq/55-4a10000011:55:220
31928998317,30cyclictest787-21haveged11:15:040
107302825,66sleep01305-21snmpd12:01:400
31928998129,32cyclictest27197-21cut11:00:160
31928998055,11cyclictest101ktimersoftd/011:15:280
31928998050,13cyclictest10150irq/55-4a10000008:55:280
31928998031,41cyclictest15270-21seq08:10:440
31928997948,14cyclictest10150irq/55-4a10000007:45:130
31928997945,24cyclictest0-21swapper/008:30:120
31928997939,23cyclictest0-21swapper/011:46:370
31928997927,35cyclictest1276-21runrttasks07:20:200
3192899786,32cyclictest1305-21snmpd08:45:440
31928997847,13cyclictest10150irq/55-4a10000009:40:130
31928997839,26cyclictest101ktimersoftd/010:20:180
31928997828,12cyclictest101ktimersoftd/009:45:290
31928997753,15cyclictest22457-21cron10:45:010
31928997748,13cyclictest10150irq/55-4a10000010:10:380
31928997747,13cyclictest10150irq/55-4a10000008:50:220
31928997743,25cyclictest0-21swapper/009:30:110
31928997657,11cyclictest101ktimersoftd/012:20:230
31928997644,22cyclictest30977-21latency_hist09:15:060
31928997644,21cyclictest21066-21/usr/sbin/munin08:35:120
31928997628,32cyclictest16843-21sh12:25:240
31928997614,22cyclictest16077-21aten_r7power_cu08:15:120
31928997522,44cyclictest11468-21diskstats12:05:290
31928997443,15cyclictest10150irq/55-4a10000007:25:320
31928997442,14cyclictest10150irq/55-4a10000008:05:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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