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2026-06-30 - 14:00
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Mon Jun 29, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3395227527,205sleep01305-21snmpd07:08:180
36629917130,19cyclictest14900-21wget12:10:140
36629915848,28cyclictest101ktimersoftd/012:05:240
3662991497,22cyclictest16077-21apt-get08:02:120
36629912096,14cyclictest0-21swapper/007:10:030
1684021105,90sleep016822-21apt-get12:17:110
91721095,10sleep0919-21fw_conntrack11:15:390
2559621095,91sleep025598-21irqstats08:35:330
1870121098,11sleep018745-21mailstats10:15:490
2926821087,12sleep029262-21munin-run11:00:020
237321045,11sleep02371-21ntp_states11:20:450
1692921024,82sleep016963-21aten_r7power_en10:10:130
1106321025,11sleep011076-21aten_r7power_cu11:55:210
876321015,83sleep08796-21/usr/sbin/munin07:30:140
849221016,84sleep07715-21apt-get09:35:440
2102821008,82sleep01-21systemd12:32:210
274982955,79sleep027499-21users10:50:480
206102946,78sleep020619-21memory08:15:320
3662999244,15cyclictest10250irq/56-4a10000012:25:240
366299919,45cyclictest801-21dbus-daemon11:40:010
3662999145,32cyclictest3650irq/20-4900000011:42:140
303442916,73sleep030374-21aten_r7power_vo08:55:160
3662998957,15cyclictest338-21aten_r7power_en09:05:130
3662998945,30cyclictest6117-21cron07:20:000
151462895,73sleep015149-21df_inode07:55:190
65512875,72sleep06553-21irqstats07:20:310
3662998738,32cyclictest101ktimersoftd/008:10:230
3662998732,39cyclictest0-21swapper/007:44:530
3662998532,34cyclictest15715-21aten_r7power_cu10:05:120
3662998452,14cyclictest10150irq/55-4a10000011:30:340
3662998348,26cyclictest0-21swapper/008:50:220
3662998333,33cyclictest1276-21runrttasks12:01:470
3662998252,14cyclictest10150irq/55-4a10000011:25:330
3662998251,16cyclictest28193-21ntp_states08:45:400
3662998236,11cyclictest101ktimersoftd/010:30:010
3662998156,10cyclictest101ktimersoftd/010:34:400
3662998152,13cyclictest63242sleep009:28:470
3662998150,13cyclictest10150irq/55-4a10000009:50:180
3662998119,21cyclictest801-21dbus-daemon09:20:020
3662998118,28cyclictest11097-21latency_hist07:40:040
3662998057,9cyclictest101ktimersoftd/012:20:310
3662997958,15cyclictest30654-21aten_r7power_cu11:05:170
3662997950,14cyclictest10150irq/55-4a10000012:35:270
3662997932,30cyclictest1408-21nginx10:36:410
3662997859,12cyclictest101ktimersoftd/010:00:180
3662997844,16cyclictest10150irq/55-4a10000011:51:480
3662997839,26cyclictest101ktimersoftd/009:55:380
3662997758,10cyclictest101ktimersoftd/008:40:260
3662997752,16cyclictest4315-21/usr/sbin/munin09:20:190
3662997748,12cyclictest10150irq/55-4a10000009:45:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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