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2025-10-14 - 07:09
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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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackfslot4.osadl.org (updated Tue Oct 14, 2025 00:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2512121240,2chrt960-21mmi00:24:560
2845721150,2chrt28456-21TaskTest21:26:570
1981521140,2chrt19813-21ssh23:13:260
2193721130,3chrt21935-21cat22:15:570
1682121110,2chrt16822-21apt21:05:000
725921100,4chrt7258-21TaskTest21:48:210
1515921060,2chrt15157-21cat00:05:520
749421020,2chrt7493-21sh22:50:040
1212621010,2chrt12124-21cat21:57:350
326092840,2sleep032610-21sh22:36:050
258842740,2sleep025885-21rm23:24:580
264432680,3chrt26442-21TaskTest19:21:050
199892660,2sleep019990-21sh21:10:530
141462640,1sleep014168-21sh21:00:000
204252610,1sleep020426-21cat20:10:060
184812615,10sleep0960-21mmi19:06:130
46892564,10sleep04697-21sh21:43:280
167202563,9sleep016036-21apt-get22:05:530
149652564,9sleep0960-21mmi22:02:560
28362540,3chrt2835-21TaskTest22:41:060
230312540,3chrt23033-21latency_hist20:15:050
97102534,8sleep09698-21ssh21:53:000
57952530,3chrt5794-21TaskTest19:43:180
44932530,3chrt4492-21TaskTest23:45:380
262222532,8sleep026227-21ssh23:25:260
321092525,39sleep0960-21mmi20:32:200
320052520,2chrt32004-21TaskTest23:36:210
311502520,4chrt31149-21TaskTest00:35:520
138542523,8sleep0960-21mmi19:58:230
311342510,3chrt31133-21TaskTest21:32:020
20575905118,15cyclictest0-21swapper21:07:200
20575905019,24cyclictest0-21swapper20:49:280
203462500,2chrt20345-21TaskTest00:15:460
20575904920,22cyclictest0-21swapper00:13:030
20575904913,28cyclictest0-21swapper23:07:010
251272480,2chrt25126-21TaskTest20:19:110
20575904819,22cyclictest0-21swapper00:33:080
20575904817,22cyclictest0-21swapper21:19:330
20575904719,22cyclictest0-21swapper23:53:220
20575904718,22cyclictest0-21swapper21:24:360
2057590467,20cyclictest960-21mmi23:57:300
2057590466,19cyclictest960-21mmi19:15:010
2057590465,12cyclictest960-21mmi20:01:030
20575904618,9cyclictest28552-21apt-get23:30:420
20575904618,21cyclictest0-21swapper22:25:000
20575904617,19cyclictest0-21swapper20:25:500
20575904617,11cyclictest18977-21ssh22:10:220
20575904616,22cyclictest0-21swapper23:02:060
2057590458,19cyclictest0-21swapper21:36:100
2057590458,10cyclictest27017-21sshd20:22:400
2057590456,10cyclictest960-21mmi19:48:250
2057590455,20cyclictest960-21mmi00:25:180
2057590455,20cyclictest960-21mmi00:01:290
2057590455,12cyclictest960-21mmi23:45:080
2057590455,11cyclictest960-21mmi22:51:510
2057590455,11cyclictest960-21mmi19:55:050
20575904517,21cyclictest0-21swapper23:17:050
20575904517,10cyclictest960-21mmi22:56:160
20575904517,10cyclictest960-21mmi19:34:170
20575904517,10cyclictest31066-21munin-run19:30:030
20575904516,11cyclictest26654-21apt-get22:26:410
20575904513,25cyclictest29582-21ssh22:30:200
2057590446,30cyclictest6303-21munin-run20:45:010
2057590446,18cyclictest960-21mmi19:38:250
2057590435,19cyclictest960-21mmi19:15:380
2057590435,18cyclictest960-21mmi20:35:540
2057590415,10cyclictest960-21mmi20:53:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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