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2026-05-20 - 08:03
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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 May 20, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29923224022165,181sleep00-21swapper19:01:090
312989917215,130cyclictest12806-21apt-get22:16:250
312989917116,129cyclictest29718-21apt-get21:31:250
312989917020,123cyclictest11223-21munin-run23:46:090
312989916921,120cyclictest4449-21/usr/sbin/munin23:27:580
312989916717,125cyclictest1008-21apt-get23:16:250
312989916618,104cyclictest13045-21/usr/sbin/munin23:53:000
312989916519,122cyclictest26571-21apt-get22:56:220
312989916519,106cyclictest16233-21apt-get22:26:210
312989916516,124cyclictest19691-21apt-get22:36:150
312989916418,104cyclictest17957-21apt-get22:31:260
312989916416,123cyclictest19917-21munin-node00:11:120
312989916318,120cyclictest11322-21apt-get23:46:310
312989916317,21cyclictest22038-21ntp_states22:42:340
312989916316,123cyclictest30099-21/usr/sbin/munin23:06:350
312989916312,128cyclictest27911-21ls21:26:090
312989916311,128cyclictest21359-21df21:06:510
31298991629,27cyclictest24629-21aten_r5power_cu21:16:340
31298991629,130cyclictest21765-21aten_r5power_en00:16:370
312989916216,121cyclictest1085-21df_inode21:42:050
312989916215,104cyclictest27997-21apt-get21:26:230
312989916214,124cyclictest26818-21ssh00:31:160
312989916212,124cyclictest9362-21ssh22:06:250
312989916212,120cyclictest6183-21ssh23:31:160
312989916116,120cyclictest26669-21ssh00:31:010
312989916115,124cyclictest19888-21sshd00:11:100
312989916112,25cyclictest28595-21snmpd23:12:350
312989916112,126cyclictest10278-21tr20:06:260
312989916111,128cyclictest8548-21/usr/sbin/munin23:37:380
312989916110,128cyclictest2744-21apt-get23:21:210
312989916110,127cyclictest23386-21/usr/sbin/munin00:21:400
312989916020,114cyclictest16900-21fw_conntrack00:02:130
312989916018,119cyclictest14521-21apt-get22:21:300
312989916015,105cyclictest25774-21users22:52:490
312989916014,123cyclictest23198-21fw_conntrack21:12:050
312989916013,121cyclictest14821-21ssh23:56:270
312989915916,122cyclictest14141-21fw_conntrack20:26:440
312989915916,121cyclictest11062-21apt-get22:11:230
312989915832,109cyclictest20244-21grep21:01:270
312989915817,117cyclictest32046-21ntp_kernel_err21:37:300
312989915814,121cyclictest4171-21apt-get21:51:200
312989915813,122cyclictest31859-21/usr/sbin/munin19:07:010
312989915812,121cyclictest2457-21apt-get21:46:230
312989915810,125cyclictest7576-21latency_hist22:01:110
312989915715,118cyclictest28746-21irqstats23:02:150
312989915713,20cyclictest8567-21/usr/sbin/munin22:02:520
312989915713,122cyclictest9356-21/usr/sbin/munin20:02:010
312989915711,125cyclictest3852-21modprobe19:31:040
312989915615,24cyclictest19741-21ntp_states20:57:020
312989915615,21cyclictest12965-21apt-get20:21:190
312989915613,24cyclictest24266-21ssh22:48:520
312989915610,123cyclictest12873-21cat20:21:070
312989915517,114cyclictest15665-21apt-get20:36:220
312989915517,113cyclictest3951-21apt-get19:31:210
312989915514,117cyclictest2015-21head19:17:080
312989915512,27cyclictest11618-21/usr/sbin/munin20:11:590
312989915510,121cyclictest18182-21grep20:47:100
312989915417,111cyclictest2165-21apt-get19:21:200
312989915415,114cyclictest8460-21apt-get19:56:180
312989915413,118cyclictest28595-21snmpd19:46:150
312989915410,123cyclictest8274-21grep19:52:090
312989915410,122cyclictest773-21tr19:12:180
312989915310,27cyclictest18406-21cut20:51:250
312989915217,112cyclictest15090-21irqstats20:31:480
312989915210,119cyclictest17285-21head20:42:100
31298991519,118cyclictest4861-21/usr/sbin/munin19:37:170
312989915114,100cyclictest5872-21grep19:41:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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