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2026-08-10 - 20:00
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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 Mon Aug 10, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27650221127,50sleep00-21swapper/019:09:340
29732212110,11sleep028479-21apt-get21:21:470
1434211615,82sleep0504-21apt-get23:46:110
28503211213,12sleep028479-21apt-get21:20:030
154221117,11sleep01544-21/usr/sbin/munin21:40:130
525921085,12sleep05303-21processes00:00:460
277799910848,39cyclictest0-21swapper/019:18:420
320321065,13sleep03245-21latency_hist19:40:030
2316021065,12sleep023210-21processes23:05:440
801221055,11sleep08014-21fw_conntrack22:05:310
1729321045,14sleep017295-21/usr/sbin/munin20:35:310
1206521034,10sleep012098-21basename20:15:130
89022996,12sleep08903-21users20:00:520
258192995,13sleep025882-21/usr/sbin/munin21:10:150
193832995,81sleep019376-21latency_hist20:45:010
214872965,11sleep021516-21wget23:00:150
197072965,11sleep019722-21fw_conntrack20:45:240
27779999436,39cyclictest0-21swapper/000:26:430
27779999339,40cyclictest0-21swapper/021:50:310
27779999249,30cyclictest3650irq/20-4900000023:27:100
271172926,75sleep027118-21users23:21:050
161572926,75sleep016158-21sshd22:38:190
27779999054,19cyclictest31984-21cpu23:40:160
66792895,72sleep06680-21users00:05:490
2777999887,63cyclictest24558-21wget21:05:140
27779998849,29cyclictest0-21swapper/021:45:210
187962885,14sleep00-21swapper/022:49:280
27779998748,26cyclictest101ktimersoftd/021:35:420
27779998740,32cyclictest3650irq/20-4900000019:12:110
27779998738,33cyclictest10150irq/55-4a10000000:36:470
27779998738,32cyclictest10250irq/56-4a10000021:27:030
168202875,71sleep016821-21memory22:40:340
27779998646,27cyclictest8950irq/40-mmc100:00:020
2777999858,59cyclictest333-21sshd19:27:290
2777999857,18cyclictest1305-21snmpd23:51:370
27779998453,15cyclictest9020-21proc_pri00:15:440
27779998352,21cyclictest31568-21/usr/sbin/munin21:30:150
27779998342,26cyclictest10250irq/56-4a10000019:45:160
27779998331,15cyclictest13857-21runrttasks00:34:520
27779998251,15cyclictest10150irq/55-4a10000022:56:030
27779998238,30cyclictest10250irq/56-4a10000020:21:150
27779998235,14cyclictest10250irq/56-4a10000000:24:040
27779998222,30cyclictest787-21haveged20:10:040
27779998221,22cyclictest21182-21proc_pri20:50:440
27779998220,15cyclictest10650-21latency_hist20:10:030
27779998152,14cyclictest10150irq/55-4a10000020:30:360
27779998150,14cyclictest10150irq/55-4a10000019:55:200
27779998129,16cyclictest25623-21open_inodes23:15:420
27779998119,30cyclictest787-21haveged22:00:050
2777999805,16cyclictest1305-21snmpd22:26:110
27779998029,35cyclictest0-21swapper/022:30:060
27779997948,14cyclictest10150irq/55-4a10000022:00:340
27779997947,15cyclictest10150irq/55-4a10000020:25:240
27779997933,31cyclictest101ktimersoftd/022:50:260
27779997933,13cyclictest10250irq/56-4a10000019:31:050
2777999789,32cyclictest21973-21/usr/sbin/munin20:55:470
27779997852,16cyclictest7658-21/usr/sbin/munin00:10:360
27779997850,13cyclictest10150irq/55-4a10000023:35:380
27779997758,11cyclictest101ktimersoftd/022:10:190
27779997753,10cyclictest101ktimersoftd/019:50:280
27779997748,14cyclictest10150irq/55-4a10000023:30:280
2777999768,15cyclictest23441-21diskstats21:00:220
27779997658,10cyclictest101ktimersoftd/022:20:210
27779997640,19cyclictest10150irq/55-4a10000019:40:200
2777999757,15cyclictest24208-21fw_forwarded_lo23:10:280
27779997555,12cyclictest101ktimersoftd/022:15:220
27779997510,24cyclictest0-21swapper/019:23:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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