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2026-07-11 - 11:01
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Sat Jul 11, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2893224610,15sleep02273-1kworker/u3:018:58:510
41569917722,26cyclictest21005-21apt-get23:58:520
41569917412,135cyclictest23023-21sed00:04:190
41569917311,136cyclictest13873-21/usr/sbin/munin22:04:070
41569917213,134cyclictest27936-21cut00:19:030
41569917014,132cyclictest7542-21missed_timers21:44:530
41569916718,122cyclictest5656-21fw_conntrack21:39:350
41569916717,24cyclictest8952-21apt-get23:23:520
41569916717,127cyclictest30043-21users21:15:200
41569916715,127cyclictest12775-21fw_conntrack23:34:300
41569916617,124cyclictest26585-21users21:05:280
41569916616,127cyclictest17871-21memory22:14:530
41569916612,130cyclictest20643-21latency_hist22:23:400
41569916520,120cyclictest1810-21apt-get21:28:540
41569916518,107cyclictest5191-21munin-node19:08:390
41569916515,128cyclictest26153-21apt-get00:13:530
41569916515,127cyclictest12167-21/usr/sbin/munin22:00:170
41569916515,108cyclictest10799-21df_inode21:54:260
41569916512,128cyclictest9392-21/usr/sbin/munin19:34:240
41569916417,125cyclictest5540-21apt-get23:13:530
41569916414,126cyclictest10669-21apt-get23:28:570
41569916412,127cyclictest14116-21/usr/sbin/munin23:40:290
41569916318,120cyclictest20240-21users23:55:260
41569916317,25cyclictest29571-21apt-get00:23:550
41569916316,127cyclictest30828-21apt-get21:18:550
41569916315,124cyclictest4147-21df_inode23:09:260
41569916314,126cyclictest24210-21/usr/sbin/munin22:35:080
41569916313,128cyclictest27358-21/usr/sbin/munin21:10:130
41569916312,126cyclictest625-21sshd21:24:570
41569916312,123cyclictest7277-21ssh23:18:550
41569916214,124cyclictest31092-21apt-get22:53:490
41569916213,129cyclictest17918-21cat23:49:290
41569916213,123cyclictest9328-21ntp_offset21:50:000
41569916212,33cyclictest27308-21ssh22:42:280
41569916119,25cyclictest2143-21wget23:04:020
41569916117,23cyclictest21114-21df_inode22:24:270
41569916117,121cyclictest989-21ssh23:00:060
41569916116,121cyclictest17200-21munin-run22:13:330
41569916116,120cyclictest5794-21apt-get19:13:510
41569916114,23cyclictest15836-21apt-get23:43:530
41569916111,25cyclictest22888-21/usr/sbin/munin20:48:570
41569916026,114cyclictest0-21swapper22:49:130
41569916015,26cyclictest28245-21tr22:45:000
41569916014,123cyclictest28595-21snmpd20:45:570
41569915917,119cyclictest3823-21df21:34:170
41569915915,120cyclictest32231-21users00:30:240
41569915913,122cyclictest24776-21df_inode00:09:290
41569915913,122cyclictest11982-21munin-plugin-st19:48:330
4156991588,127cyclictest16405-21sed20:09:370
41569915817,24cyclictest18391-21apt-get20:23:480
41569915714,124cyclictest17624-21wc20:18:570
41569915710,29cyclictest22539-21cut22:29:020
41569915610,122cyclictest7654-21basename19:23:560
41569915541,95cyclictest10677-21latency19:39:210
41569915519,22cyclictest16604-21apt-get20:13:480
41569915515,117cyclictest15428-21cat20:04:390
41569915513,117cyclictest6988-21/usr/sbin/munin19:19:140
41569915510,121cyclictest21157-21wget20:38:550
41569915417,27cyclictest25043-21/usr/sbin/munin20:59:170
41569915416,24cyclictest5482-21df19:08:570
41569915413,118cyclictest13265-21/usr/sbin/munin19:54:060
41569915413,117cyclictest19753-21tr20:29:260
41569915316,18cyclictest8482-21apt-get19:28:480
41569915316,112cyclictest20542-21irqstats20:34:170
41569915117,112cyclictest23805-21apt-get20:53:480
41569915114,114cyclictest14233-21irqstats19:59:180
41569914912,115cyclictest12193-21cut19:48:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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