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2026-06-21 - 13:03
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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 Jun 20, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
435121009202,441sleep03464-21kworker/0:007:05:360
49519916743,31cyclictest3650irq/20-4900000008:37:130
666521095,12sleep05658-21apt-get09:21:240
867021074,11sleep08673-21wc07:25:020
474921057,11sleep04751-21cat09:15:270
2140521055,11sleep021408-21df_inode08:15:190
1043921045,12sleep010470-21swap09:35:470
3251221005,11sleep032513-21diskstats11:05:230
10920210010,11sleep010922-21irqstats11:45:300
197562995,83sleep019766-21ntp_states12:20:380
321902985,10sleep032212-21if_eth008:55:290
77382965,78sleep07761-21aten_r7power_cu11:35:120
77122964,69sleep07721-21memory09:25:320
239652956,14sleep023968-21fw_packets08:25:300
4951999350,30cyclictest22416-21grep12:30:220
280292935,12sleep00-21swapper/010:46:280
141602934,78sleep014173-21open_files07:45:420
4951999249,12cyclictest101ktimersoftd/007:40:390
4951999064,16cyclictest21732-21dmidecode12:28:190
4951999046,30cyclictest3650irq/20-4900000011:17:250
122492905,72sleep012247-21ntp_states11:50:370
4951998967,9cyclictest101ktimersoftd/009:00:260
4951998942,31cyclictest30011-21diskstats10:55:200
4951998938,24cyclictest101ktimersoftd/007:50:280
4951998931,44cyclictest0-21swapper/010:50:060
170692895,70sleep017072-21diskstats12:10:190
4951998857,14cyclictest10150irq/55-4a10000008:50:340
4951998823,31cyclictest787-21haveged07:15:030
165132885,11sleep016511-21ntp_states10:00:380
4951998742,30cyclictest3650irq/20-4900000011:42:140
166092875,72sleep016622-21ntp_states07:55:380
495199868,46cyclictest17885-21ntp_states08:00:410
4951998640,30cyclictest10250irq/56-4a10000011:30:070
4951998636,37cyclictest217362sleep010:20:500
188382866,68sleep018840-21fw_forwarded_lo10:10:260
4951998440,29cyclictest3650irq/20-4900000010:30:220
4951998430,17cyclictest6885-21runrttasks07:15:490
189762845,67sleep018979-21fw_packets08:05:280
4951998258,12cyclictest101ktimersoftd/012:15:420
4951998251,14cyclictest10150irq/55-4a10000009:05:420
4951998230,38cyclictest101ktimersoftd/012:09:430
4951998151,13cyclictest10150irq/55-4a10000010:17:110
4951998145,26cyclictest0-21swapper/010:25:210
4951998121,15cyclictest2375-21apt-config11:15:090
4951998048,15cyclictest10150irq/55-4a10000011:55:400
4951998036,30cyclictest3650irq/20-4900000007:35:390
495199796,23cyclictest4531-21wc11:20:430
4951997942,27cyclictest0-21swapper/007:25:130
4951997935,30cyclictest101ktimersoftd/007:30:390
4951997933,31cyclictest8761-21sshd09:30:160
4951997920,27cyclictest15988-21latency_hist10:00:040
495199787,34cyclictest11510-21awk09:40:360
4951997849,18cyclictest3454-21/usr/sbin/munin09:10:160
4951997848,13cyclictest10150irq/55-4a10000010:35:190
4951997847,15cyclictest10150irq/55-4a10000009:50:010
4951997836,29cyclictest3650irq/20-4900000011:00:370
4951997758,11cyclictest101ktimersoftd/008:10:230
495199775,45cyclictest28234-1kworker/0:3H08:45:330
4951997748,13cyclictest10150irq/55-4a10000010:05:170
4951997747,14cyclictest10150irq/55-4a10000012:35:280
4951997747,14cyclictest10150irq/55-4a10000011:25:220
495199768,18cyclictest1609-21sendmail-mta12:05:030
4951997648,14cyclictest10150irq/55-4a10000008:35:010
4951997645,13cyclictest10150irq/55-4a10000008:20:390
4951997635,28cyclictest3650irq/20-4900000010:40:240
4951997633,29cyclictest10250irq/56-4a10000008:40:120
4951997551,11cyclictest101ktimersoftd/009:50:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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