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2026-08-06 - 01:49
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Thu Aug 06, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292712522570,3sleep02927128-21tr22:21:190
289800722490,2chrt2898005-21users20:36:230
294093122090,2sleep02940932-21proc_pri23:11:150
287340499205175,19cyclictest29-21kswapd000:10:190
290040122040,3sleep02900403-21grep20:45:480
293935122020,2sleep02939352-21collect223:05:400
295049022010,3chrt2950485-21ntpq23:45:410
295345222000,3sleep02953454-21grep23:56:150
287340499188112,20cyclictest29-21kswapd000:06:070
287631021870,3chrt2876311-21latency_hist19:20:090
287340499182152,19cyclictest2878108-21kworker/u2:219:45:040
288763121810,2sleep02887632-21if_wlan020:00:240
287340499181150,19cyclictest2915202-21kworker/u2:221:45:060
287340499180151,19cyclictest2891505-21kworker/u2:220:15:060
289874721780,3sleep02898746-21awk20:40:220
292390921740,4chrt2923908-21/usr/sbin/munin22:10:270
291017721740,4chrt2910174-21ntpq21:20:550
295876421730,4chrt2958763-21/usr/sbin/munin00:16:180
293095321710,4chrt2930952-21gcc22:35:350
292815721690,4chrt2928154-21ntpq22:25:290
291696421690,4chrt2916962-21memory21:45:290
290731721690,3chrt2907307-21ntpq21:10:410
293786321680,4chrt2937865-21ls23:00:290
287340499159129,19cyclictest2919357-21kworker/u2:022:35:070
287340499159129,19cyclictest2911475-21kworker/u2:021:36:130
287340499156126,19cyclictest2921255-21kworker/u2:222:06:170
294236421500,3sleep02942368-21wc23:16:150
287340499148121,18cyclictest2889108-21kworker/u2:020:16:250
287340499148119,18cyclictest2903129-21kworker/u2:020:56:210
287340499144114,19cyclictest2962171-21kworker/u2:000:36:050
287340499143111,20cyclictest2943481-21kworker/u2:223:25:060
287340499142111,19cyclictest2933293-21kworker/u2:122:50:070
287340499141113,18cyclictest2947669-21kworker/u2:200:00:150
287340499141110,20cyclictest2917027-21kworker/u2:122:00:050
287340499140111,18cyclictest2874799-21kworker/u2:019:21:160
287340499140110,19cyclictest2901259-21kworker/u2:220:51:170
287340499140109,20cyclictest2947669-21kworker/u2:223:50:370
287340499139108,20cyclictest2911475-21kworker/u2:021:25:570
287340499136106,19cyclictest2919357-21kworker/u2:022:15:370
287340499135108,18cyclictest2905442-21kworker/u2:221:31:230
287340499134106,18cyclictest2933293-21kworker/u2:122:56:180
294588521320,2sleep02945886-21ls23:30:060
287340499131100,20cyclictest2892919-21kworker/u2:120:25:060
287340499130100,19cyclictest2878108-21kworker/u2:219:26:180
28734049912999,18cyclictest2892919-21kworker/u2:120:25:140
287955721280,2sleep02879560-21grep19:30:550
28734049912898,19cyclictest2959888-21kworker/u2:100:30:040
28734049912897,20cyclictest2959888-21kworker/u2:100:30:220
28734049912897,20cyclictest2947669-21kworker/u2:223:40:510
28734049912797,20cyclictest2941645-21kworker/u2:123:35:060
28734049912696,19cyclictest2905442-21kworker/u2:221:20:080
28734049912695,20cyclictest2892919-21kworker/u2:120:35:040
28734049912493,20cyclictest2919357-21kworker/u2:022:40:210
28734049912089,20cyclictest2878108-21kworker/u2:219:50:040
295980021190,2sleep02959798-21missed_timers00:20:310
28734049911988,20cyclictest2878108-21kworker/u2:219:36:080
28734049911687,18cyclictest2933293-21kworker/u2:122:51:180
28734049911484,19cyclictest2878108-21kworker/u2:220:00:040
28734049910777,19cyclictest2915202-21kworker/u2:221:50:230
28734049910777,19cyclictest2878108-21kworker/u2:219:51:010
28734049910678,19cyclictest2872503-21kworker/u2:219:11:370
28734049910676,19cyclictest2947669-21kworker/u2:223:40:060
29041932990,2sleep02904194-21apt21:00:110
2873404999666,19cyclictest2921255-21kworker/u2:222:05:070
2873404999666,19cyclictest2903129-21kworker/u2:021:06:190
2873404999464,19cyclictest2872503-21kworker/u2:219:10:020
2873404998959,19cyclictest2887347-21kworker/u2:120:06:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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