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2025-12-09 - 07:52
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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 Tue Dec 09, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5925222550,3chrt59253-21diskmemload23:16:050
417695022400,3chrt4176946-21ntp_states19:11:020
1870322390,3chrt18702-21ssh21:17:080
1231222340,2chrt12310-21ntpq20:56:160
6072122290,3sleep060722-21/usr/sbin/munin23:20:300
5536322200,2sleep055365-21wc23:05:110
419308222110,2sleep04193084-21basename20:10:000
7831722050,2sleep078320-21tr00:12:010
3383222030,3sleep033833-21/usr/sbin/munin22:01:520
8305322020,2sleep083054-21rm00:25:530
418920621890,3chrt4189204-21irqstats19:55:250
4590221880,2sleep045904-21awk22:36:580
3547321810,2sleep035474-21ssh22:06:450
6272621790,2sleep062727-21ntpq23:26:150
418122221790,3chrt4181223-21ps19:26:150
418224721780,2sleep04182245-21kernelversion19:30:270
4246221770,3chrt42464-21grep22:26:560
417634599176145,21cyclictest87619-21sendmail-msp00:40:030
417634599172143,19cyclictest73839-21kworker/u2:000:00:100
417634599171139,20cyclictest84-21jbd2/mmcblk0p2-21:40:110
417634599170137,23cyclictest75685-21true00:05:030
5770021690,3chrt57701-21collect223:11:350
417634599169139,21cyclictest29-21kswapd022:21:380
6546721670,4chrt65466-21ssh23:34:530
418503921670,2sleep04185040-21awk19:40:250
4875421650,3chrt48752-21irqstats22:45:310
7638821640,4chrt76380-21ntp_states00:06:260
417634599163134,18cyclictest55004-21kworker/u2:223:06:580
417843621600,4chrt4178434-21sshd19:16:170
417634599160134,18cyclictest41546-21kworker/u2:122:32:100
1385221600,4chrt13851-21/usr/sbin/munin21:01:200
8499721590,4chrt84996-21ld00:31:480
417634599159132,18cyclictest80249-21kworker/u2:100:22:050
417634599159131,18cyclictest10276-21kworker/u2:021:26:550
417634599156130,17cyclictest3304-21kworker/u2:120:33:490
417634599153121,20cyclictest84-21jbd2/mmcblk0p2-20:50:050
417634599152123,18cyclictest66121-21kworker/u2:023:47:080
417634599150123,17cyclictest77107-21kworker/u2:300:18:420
417634599150119,20cyclictest84-21jbd2/mmcblk0p2-19:55:060
417634599147120,18cyclictest20517-21kworker/u2:221:52:010
417634599145114,21cyclictest29-21kswapd021:41:330
417634599142116,17cyclictest10276-21kworker/u2:021:23:210
417634599142113,18cyclictest55004-21kworker/u2:223:50:120
417634599140111,18cyclictest20517-21kworker/u2:221:48:420
417634599139111,18cyclictest20517-21kworker/u2:222:18:420
417634599138113,17cyclictest13563-21kworker/u2:221:13:430
417634599138112,17cyclictest4192187-21kworker/u2:220:25:080
417634599137111,17cyclictest4179172-21kworker/u2:119:23:190
417634599137106,20cyclictest84-21jbd2/mmcblk0p2-20:20:040
337421360,2sleep03376-21latency_hist20:25:080
417634599135107,18cyclictest55004-21kworker/u2:223:42:380
417634599135107,18cyclictest47930-21kworker/u2:122:42:440
417634599135106,18cyclictest32567-21kworker/u2:322:13:500
417634599135102,21cyclictest51982-21apt-get22:55:160
417634599134108,17cyclictest4184738-21kworker/u2:020:03:210
417634599134106,18cyclictest44950-21kworker/u2:022:53:430
417634599134106,18cyclictest17360-21kworker/u2:321:32:550
417634599134106,17cyclictest55004-21kworker/u2:223:37:100
417634599132105,18cyclictest7499-21kworker/u2:220:43:500
417634599132105,17cyclictest30801-21kworker/u2:021:58:060
41763459912195,17cyclictest10276-21kworker/u2:021:07:410
41763459912094,17cyclictest7499-21kworker/u2:220:54:050
41763459911994,17cyclictest4192187-21kworker/u2:220:11:220
41763459911993,18cyclictest4179172-21kworker/u2:119:37:070
41763459911992,18cyclictest5924-21kworker/u2:020:39:270
41763459911686,19cyclictest4179172-21kworker/u2:119:47:000
41763459910475,20cyclictest84-21jbd2/mmcblk0p2-19:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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