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2026-09-16 - 02:26
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack5slot7.osadl.org (updated Wed Sep 16, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18109224190,11sleep017304-1kworker/u3:218:55:590
189809917315,133cyclictest4084-21apt-get23:55:350
189809917221,27cyclictest26951-21users21:52:080
189809917119,29cyclictest11197-21irqstats22:41:280
189809917118,25cyclictest5470-21munin-run22:25:180
189809917118,128cyclictest9983-21users22:37:050
189809917116,130cyclictest2165-21apt-get22:15:260
189809917018,111cyclictest6044-21df00:00:570
189809916920,125cyclictest16858-21users22:57:100
189809916819,124cyclictest612-21apt-get23:45:360
189809916717,125cyclictest22438-21munin-run21:40:170
189809916717,124cyclictest2759-21fw_conntrack23:51:190
189809916617,24cyclictest31356-21apt-get23:40:360
189809916536,108cyclictest14207-21snmpd21:04:490
189809916519,25cyclictest31153-21apt-get22:05:330
189809916438,106cyclictest10504-21apt-get21:05:370
189809916418,122cyclictest6030-21irqstats22:26:250
189809916417,38cyclictest12482-21apt-get22:45:420
189809916417,120cyclictest24808-21memory21:46:410
189809916415,125cyclictest6836-21munin-run20:50:170
189809916318,25cyclictest9102-21munin-run00:10:160
189809916314,127cyclictest28257-21df_abs23:31:130
18980991629,113cyclictest687-21ssh22:10:550
189809916226,112cyclictest17952-21sed23:01:040
189809916215,37cyclictest23063-21df23:16:000
189809916215,24cyclictest12790-21memory21:11:370
189809916214,22cyclictest7316-21apt-get22:30:390
189809916213,125cyclictest18813-21ssh21:29:260
189809916133,110cyclictest26487-21df23:26:030
189809916119,23cyclictest10949-21apt-get00:15:340
189809916119,117cyclictest19340-21apt-get23:05:420
189809916116,22cyclictest14647-21df00:26:010
189809916115,123cyclictest21611-21memory23:11:370
189809916025,22cyclictest0-21swapper21:55:260
189809916019,23cyclictest29441-21apt-get22:00:360
189809916019,121cyclictest22930-21fw_conntrack21:41:140
189809916012,24cyclictest19122-21/usr/sbin/munin21:31:480
189809916012,127cyclictest29719-21grep23:35:450
189809915932,109cyclictest10044-21ssh00:11:560
189809915916,39cyclictest24940-21irqstats23:21:230
189809915916,22cyclictest13967-21apt-get21:15:340
189809915915,38cyclictest1806-21/usr/sbin/munin20:20:520
189809915915,118cyclictest3165-21head20:26:210
189809915914,25cyclictest17121-21ssh21:24:330
189809915912,123cyclictest13610-21users00:22:090
189809915819,115cyclictest25886-21apt-get19:35:320
189809915818,24cyclictest28585-21apt-get19:50:310
189809915815,23cyclictest14539-21df_inode22:51:070
189809915718,23cyclictest6950-21apt-get20:50:350
189809915718,115cyclictest8054-21df20:55:430
189809915714,22cyclictest21660-21df_inode19:10:520
189809915615,24cyclictest5138-21apt-get20:40:310
189809915527,21cyclictest20499-21aten_r5power_cu19:05:580
189809915517,37cyclictest30847-21ntp_states20:01:120
189809915517,26cyclictest24073-21apt-get19:25:310
189809915414,24cyclictest31268-21/usr/sbin/munin20:06:250
189809915332,23cyclictest19970-21munin-node19:05:230
189809915319,23cyclictest29483-21apt-get19:55:320
189809915319,21cyclictest624-21apt-get20:15:320
189809915317,113cyclictest22559-21df_inode19:15:520
189809915231,99cyclictest27977-21cat19:45:580
189809915221,25cyclictest25392-21memory19:31:070
189809915215,20cyclictest4518-21df_inode20:35:500
189809915212,42cyclictest27504-21grep19:41:210
189809915210,24cyclictest32277-21cut20:10:400
189809915014,24cyclictest23754-21grep19:21:160
189809914917,23cyclictest3351-21apt-get20:30:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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