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2026-04-12 - 00:18
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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 Sat Apr 11, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11280218834,122sleep00-21swapper/019:09:400
113909917460,11cyclictest101ktimersoftd/023:30:140
113909916453,28cyclictest101ktimersoftd/022:27:290
2546621199,11sleep025475-21memory20:05:320
1627921118,89sleep016293-21awk21:35:350
1031021055,86sleep010311-21fw_forwarded_lo23:20:230
2875921045,88sleep01305-21snmpd00:30:440
834421016,11sleep01305-21snmpd23:12:080
3004721015,85sleep030069-21latency_hist20:25:030
100112965,80sleep010019-21memory21:10:330
51082955,79sleep05104-21memory20:51:040
11390999539,40cyclictest0-21swapper/020:10:050
124152947,76sleep012413-21users23:26:400
11390999443,32cyclictest31794-21sshd20:30:410
3006329319,61sleep0101ktimersoftd/000:35:500
11390999311,25cyclictest8985-21df23:15:120
304662925,76sleep030469-21/usr/sbin/munin20:25:340
11390999242,16cyclictest10250irq/56-4a10000023:48:120
11390999050,21cyclictest0-21swapper/021:09:250
11390999034,40cyclictest0-21swapper/021:29:280
193662895,11sleep019367-21diskstats23:55:220
11390998850,29cyclictest0-21swapper/019:10:210
159528716,12sleep01608-21ntpd22:46:050
1139099878,43cyclictest22043-21munin-run22:00:030
11390998738,34cyclictest8950irq/40-mmc122:57:120
11390998661,10cyclictest101ktimersoftd/019:50:170
11390998643,29cyclictest3650irq/20-4900000020:47:100
11390998641,30cyclictest24388-21seq00:15:190
11390998637,32cyclictest15612-21ntp_states19:25:400
11390998610,37cyclictest805-21rs:main0
11390998447,25cyclictest101ktimersoftd/021:00:220
11390998427,44cyclictest0-21swapper/020:04:110
11390998364,11cyclictest101ktimersoftd/000:20:430
11390998331,33cyclictest27830-21seq00:26:580
1139099829,57cyclictest0-21swapper/022:20:110
11390998256,11cyclictest101ktimersoftd/023:05:430
11390998253,13cyclictest10150irq/55-4a10000023:00:310
11390998244,30cyclictest10250irq/56-4a10000019:19:010
2306728112,56sleep0101ktimersoftd/000:10:130
11390998160,12cyclictest101ktimersoftd/022:17:050
11390998151,13cyclictest10150irq/55-4a10000020:00:020
11390998150,14cyclictest10150irq/55-4a10000019:20:300
11390998146,26cyclictest0-21swapper/020:15:230
11390998138,15cyclictest20074-21sshd21:50:400
1139099806,60cyclictest1305-21snmpd21:34:300
11390998048,15cyclictest10150irq/55-4a10000022:35:260
11390998045,26cyclictest0-21swapper/021:43:430
11390998033,28cyclictest1276-21runrttasks19:45:120
11390998014,50cyclictest10250irq/56-4a10000023:35:090
11390997952,17cyclictest458-21/usr/sbin/munin20:35:280
11390997952,17cyclictest21925-21/usr/sbin/munin00:05:270
11390997947,15cyclictest10150irq/55-4a10000019:30:520
11390997934,15cyclictest10250irq/56-4a10000000:00:110
1139099786,34cyclictest1305-21snmpd21:23:440
11390997859,11cyclictest101ktimersoftd/023:50:320
11390997859,11cyclictest101ktimersoftd/022:40:420
11390997849,13cyclictest10150irq/55-4a10000022:10:390
11390997815,44cyclictest5965-21/usr/sbin/munin20:55:470
1139099778,52cyclictest1276-21runrttasks22:50:050
1139099777,18cyclictest18747-21memory21:45:330
11390997758,10cyclictest101ktimersoftd/019:45:010
1139099768,16cyclictest22558-21ntp_states22:00:390
11390997646,13cyclictest10150irq/55-4a10000022:30:480
11390997614,30cyclictest787-21haveged20:44:480
11390997545,13cyclictest10150irq/55-4a10000019:35:160
11390997455,12cyclictest101ktimersoftd/022:05:280
11390997255,10cyclictest101ktimersoftd/021:15:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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