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2026-04-07 - 08:14
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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 all highest latencies:
System rack7slot8.osadl.org (updated Mon Apr 06, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23486210010,10sleep023487-21which07:05:330
5801211315,12sleep05855-21sort08:05:040
404921108,12sleep03257-21apt-get10:05:490
336221077,12sleep03013-21/usr/sbin/munin07:55:360
19795210614,11sleep019798-21df_inode09:00:190
980121035,13sleep09833-21/usr/sbin/munin12:35:360
53321036,12sleep0534-21users12:00:450
10565210211,12sleep0101ktimersoftd/010:30:470
849921015,15sleep08500-21/usr/sbin/munin12:30:210
456821017,12sleep0101ktimersoftd/012:15:410
769721005,12sleep07700-21df10:20:180
319342986,13sleep031936-21munin-run09:50:020
289102975,11sleep028944-21if_eth011:45:300
24142999737,40cyclictest0-21swapper/011:06:010
269242966,11sleep026927-21df07:20:170
24142999350,26cyclictest0-21swapper/007:39:520
24142999349,30cyclictest101ktimersoftd/008:15:540
94412925,11sleep09442-21sshd10:26:260
189512925,12sleep018952-21users08:55:510
24142999143,31cyclictest3650irq/20-4900000012:12:130
228102916,74sleep022823-21ntp_states11:20:330
127132905,12sleep012715-21fw_forwarded_lo10:40:240
24142998942,32cyclictest10250irq/56-4a10000010:35:150
24142998933,18cyclictest278342sleep009:31:580
24142998623,29cyclictest1305-21snmpd08:10:030
2414299846,40cyclictest7005-21apt-get10:17:080
24142998455,19cyclictest16983-21cron08:50:010
24142998443,31cyclictest10250irq/56-4a10000011:51:440
24142998441,29cyclictest3650irq/20-4900000008:35:020
24142998436,31cyclictest21030-21df09:05:170
24142998345,27cyclictest0-21swapper/012:20:250
24142998328,39cyclictest0-21swapper/010:10:470
24142998264,11cyclictest101ktimersoftd/012:05:200
24142998251,14cyclictest10150irq/55-4a10000009:20:010
24142998235,30cyclictest32052-21/usr/sbin/munin09:50:110
24142998150,15cyclictest10150irq/55-4a10000009:40:010
24142998140,28cyclictest17397-21irqstats08:50:320
24142998140,28cyclictest10250irq/56-4a10000007:10:060
24142998059,13cyclictest101ktimersoftd/009:20:200
24142998055,17cyclictest178382sleep011:00:360
24142997951,13cyclictest10150irq/55-4a10000008:10:190
24142997950,13cyclictest10150irq/55-4a10000011:30:150
24142997949,15cyclictest10150irq/55-4a10000010:00:020
24142997933,15cyclictest10250irq/56-4a10000010:50:130
24142997913,37cyclictest101ktimersoftd/008:23:140
24142997859,13cyclictest101ktimersoftd/007:17:060
24142997850,14cyclictest10150irq/55-4a10000008:35:190
24142997849,13cyclictest10150irq/55-4a10000010:55:170
24142997847,16cyclictest10150irq/55-4a10000009:10:440
24142997846,14cyclictest10150irq/55-4a10000007:40:100
24142997840,26cyclictest10250irq/56-4a10000007:47:210
24142997758,11cyclictest101ktimersoftd/008:40:250
24142997757,12cyclictest101ktimersoftd/010:45:240
24142997730,33cyclictest101ktimersoftd/007:25:270
303292766,59sleep030338-21munin-run07:35:010
24142997657,11cyclictest101ktimersoftd/011:40:210
24142997648,12cyclictest10150irq/55-4a10000011:35:230
24142997647,13cyclictest10150irq/55-4a10000009:40:170
24142997627,30cyclictest1797-21wget07:50:120
24142997624,16cyclictest31398-21if_eth011:55:250
2414299759,16cyclictest26864-21seq09:29:160
2414299757,32cyclictest24657-21sshd11:28:440
24142997557,12cyclictest101ktimersoftd/008:25:530
24142997545,12cyclictest10150irq/55-4a10000011:15:320
24142997539,26cyclictest0-21swapper/010:00:110
24142997455,11cyclictest101ktimersoftd/012:25:200
24142997255,10cyclictest101ktimersoftd/011:10:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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