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2026-05-26 - 16:23
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 highest latencies:
System rack7slot8.osadl.org (updated Tue May 26, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3730220119,48sleep00-21swapper/019:08:190
3996991748,52cyclictest11733-21ntp_states23:50:470
39969916528,114cyclictest754-21systemd-journal00:25:170
3996991648,18cyclictest28014-21apt-get20:47:090
39969916242,108cyclictest636-21apt-config23:10:110
39969916029,111cyclictest1305-21snmpd21:19:070
39969916027,113cyclictest24395-21/usr/sbin/munin20:30:270
3996991587,132cyclictest1305-21snmpd23:03:540
3996991576,17cyclictest18039-21/usr/sbin/munin22:10:160
39969915740,105cyclictest4263-21runrttasks19:10:150
39969915621,116cyclictest8261-21wget19:25:200
3996991557,19cyclictest12038-21diskstats21:45:230
39969915530,105cyclictest32074-21netstat23:05:340
39969915527,76cyclictest1305-21snmpd21:02:150
39969915428,114cyclictest15752-21sshd22:00:170
3996991537,18cyclictest754-21systemd-journal23:44:020
3996991526,15cyclictest21411-21apt-get20:17:080
39969915233,107cyclictest801-21dbus-daemon21:40:000
39969915233,103cyclictest10250irq/56-4a10000022:20:020
39969915222,111cyclictest3509-21wget23:20:120
3996991518,17cyclictest6478-21df_inode23:30:260
3996991517,121cyclictest28014-21apt-get20:45:010
39969915133,105cyclictest8276-21df21:30:180
39969915132,100cyclictest3543-21grep21:11:090
39969915130,98cyclictest1276-21runrttasks00:12:210
39969915111,21cyclictest801-21dbus-daemon22:00:010
3996991508,123cyclictest1305-21snmpd00:35:140
39969915032,107cyclictest9963-21sendmail_mailqu19:30:450
39969915029,110cyclictest25564-21aten_r7power_en22:40:130
3996991498,121cyclictest23346-21seq20:25:170
39969914936,94cyclictest1507-21wget21:05:130
39969914925,107cyclictest19385-21aten_r7power_vo00:20:240
39969914922,113cyclictest18363-21apt-get00:17:100
39969914910,24cyclictest14102-21sshd19:48:160
3996991488,17cyclictest23269-21fw_forwarded_lo22:30:260
3996991487,17cyclictest1305-21snmpd22:38:490
3996991487,15cyclictest4933-21diskstats23:25:230
3996991486,16cyclictest1276-21runrttasks22:23:210
39969914835,101cyclictest10645-21aten_r7power_en21:40:130
39969914829,99cyclictest14457-21wget19:50:120
3996991479,20cyclictest16803-21/usr/sbin/munin22:05:430
3996991478,17cyclictest13715-21lockfile-create00:00:020
3996991478,15cyclictest22468-21seq22:26:170
3996991475,17cyclictest1276-21runrttasks22:50:120
39969914740,95cyclictest11508-21seq19:37:280
39969914721,109cyclictest10250irq/56-4a10000022:45:130
39969914713,123cyclictest7244-21ntpq21:25:390
3996991468,19cyclictest3350-21munin-run23:20:030
3996991464,125cyclictest21976-21wget20:20:150
39969914617,17cyclictest1305-21snmpd19:23:060
39969914613,111cyclictest29293-21wget22:55:150
3996991459,23cyclictest5704-21ntp_states19:15:390
3996991459,17cyclictest13066-21/usr/sbin/munin21:50:510
39969914542,84cyclictest10150irq/55-4a10000020:10:010
39969914531,95cyclictest0-21swapper/019:43:110
39969914531,100cyclictest801-21dbus-daemon00:09:200
39969914510,16cyclictest5818-21diskstats21:20:210
3996991447,17cyclictest22832-21chrt00:31:160
39969914439,93cyclictest7985-21runrttasks23:35:390
3996991437,17cyclictest30095-21awk20:50:340
3996991437,115cyclictest10072-21seq23:45:050
3996991436,17cyclictest30999-21aten_r7power_cu20:55:110
39969914342,90cyclictest19793-21runrttasks20:10:370
39969914224,108cyclictest1276-21runrttasks00:03:190
3996991407,113cyclictest25744-21wget20:35:140
39969914018,111cyclictest787-21haveged20:00:470
3996991396,14cyclictest15908-21fw_forwarded_lo19:55:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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