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2026-05-11 - 04:12
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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 Mon May 11, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21888224042154,196sleep00-21swapper19:04:130
221749913965,51cyclictest19833-21apt-get21:31:490
221749913658,37cyclictest13520-21apt-get00:21:510
221749913557,34cyclictest9809-21apt-get22:36:490
221749913464,33cyclictest1708-21memory22:12:470
221749913458,52cyclictest8349-21apt-get00:06:480
221749913456,51cyclictest11182-21apt-get21:06:500
221749913369,37cyclictest21070-21users23:08:170
221749913358,51cyclictest12931-21apt-get21:11:510
221749913358,48cyclictest23601-21apt-get23:16:510
221749913358,34cyclictest25015-21apt-get21:46:520
221749913259,50cyclictest806-21ssh22:10:250
221749913258,35cyclictest3720-21memory23:52:550
221749913258,35cyclictest3176-21ssh22:17:100
221749913258,33cyclictest16748-21df_inode21:22:250
221749913255,35cyclictest28336-21munin-run21:56:310
221749913167,29cyclictest5431-21switchtime22:23:080
221749913161,27cyclictest25311-21apt-get23:21:460
221749913160,34cyclictest18975-21memory23:02:530
221749913158,49cyclictest1917-21irqstats23:47:430
221749913157,51cyclictest16947-21apt-get00:31:460
221749913156,32cyclictest13794-21memory22:47:540
221749913069,41cyclictest0-21swapper23:00:360
221749913064,29cyclictest11635-21ssh22:42:010
221749913060,48cyclictest8087-21apt-get22:31:520
221749913057,50cyclictest21568-21apt-get21:36:510
221749913057,32cyclictest30197-21apt-get22:01:580
221749913056,51cyclictest22129-21df23:12:170
221749913051,55cyclictest7016-21open_files22:28:050
221749912959,51cyclictest6899-21df00:02:110
221749912956,49cyclictest30346-21munin-run23:36:300
221749912955,36cyclictest32350-21aten_r5power_vo23:42:060
221749912952,54cyclictest4960-21sshd23:56:540
221749912869,43cyclictest32161-21latency_hist23:41:360
221749912858,46cyclictest15231-21apt-get00:26:560
221749912857,47cyclictest27567-21memory23:27:510
221749912759,45cyclictest28472-21apt-get21:56:510
221749912756,47cyclictest18387-21df21:27:170
221749912756,31cyclictest14972-21apt-get22:51:490
221749912755,32cyclictest10445-21fw_conntrack00:12:330
221749912753,51cyclictest898-21processes20:07:280
221749912750,53cyclictest2201-21grep20:16:490
221749912666,40cyclictest10356-21sshd21:01:550
221749912656,30cyclictest11807-21apt-get00:16:500
221749912655,48cyclictest9756-21grep20:57:160
221749912654,49cyclictest23356-21/usr/sbin/munin21:41:590
221749912654,36cyclictest26608-21sshd19:31:550
221749912450,51cyclictest6359-21wc20:37:300
221749912450,34cyclictest28595-21snmpd21:19:300
221749912448,52cyclictest7811-21sed20:47:010
221749912365,33cyclictest3071-21apt-get20:21:460
221749912360,37cyclictest27406-21apt-get19:36:450
221749912351,49cyclictest5656-21munin-run20:36:300
221749912351,48cyclictest31105-21basename19:56:540
221749912349,49cyclictest24602-21modprobe19:21:290
221749912347,36cyclictest26476-21wc19:31:340
221749912261,36cyclictest3956-21/usr/sbin/munin20:27:280
221749912165,36cyclictest24708-21apt-get19:21:460
221749912162,35cyclictest31901-21/usr/sbin/munin20:02:110
221749912150,48cyclictest2057-21munin-run20:16:300
221749912060,37cyclictest6666-21/usr/sbin/munin20:42:140
221749912055,42cyclictest22268-21/usr/sbin/munin19:07:090
221749911950,48cyclictest8920-21awk20:52:230
221749911950,47cyclictest29402-21df19:46:570
221749911948,50cyclictest30617-21ps19:52:290
221749911847,49cyclictest29179-21sort19:46:340
221749911751,43cyclictest23402-21irqstats19:11:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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