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2025-12-11 - 17:14
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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 Thu Dec 11, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32410222532,60sleep00-21swapper/007:08:100
30608211818,11sleep030637-21wget11:15:120
2253211411,89sleep02307-21latency_hist11:30:040
326939911289,14cyclictest0-21swapper/007:10:040
326939911245,46cyclictest0-21swapper/008:25:230
6552211112,11sleep06550-21ntp_states09:40:390
1925421056,13sleep019255-21fw_forwarded_lo10:30:300
1355521045,12sleep01356-21snmpd12:15:130
8981210312,11sleep08990-21munin-run07:45:010
2979521035,69sleep029812-21ntpq09:05:380
424621025,12sleep04122-21/usr/sbin/munin07:25:180
1179221027,12sleep011017-21apt-get10:00:420
2199221017,12sleep022027-21/usr/sbin/munin08:35:140
38922985,82sleep03894-21fw_conntrack09:30:270
32693999740,41cyclictest10250irq/56-4a10000012:35:460
183292977,77sleep018335-21df08:20:230
168022968,12sleep01356-21snmpd12:26:430
142942965,13sleep014297-21df_inode08:05:230
76182946,75sleep07633-21fw_conntrack09:45:250
32693999433,26cyclictest10250irq/56-4a10000008:51:160
32693999240,36cyclictest10150irq/55-4a10000011:10:470
92752915,73sleep09295-21df07:45:190
32693999029,27cyclictest602-21gpgv11:25:050
32693999021,54cyclictest31918-21cut09:15:080
263732900,8sleep026357-21cron11:00:010
125612904,7sleep00-21swapper/012:10:300
32693998927,14cyclictest1780-21kworker/u2:209:17:250
178922898,67sleep0101ktimersoftd/010:25:170
32693998847,28cyclictest101ktimersoftd/011:31:390
32693998724,28cyclictest6482-21latency_hist07:35:030
32693998641,29cyclictest10250irq/56-4a10000011:06:390
32693998639,15cyclictest10250irq/56-4a10000007:56:090
32693998638,15cyclictest10250irq/56-4a10000008:00:140
32693998547,25cyclictest101ktimersoftd/008:49:550
32693998547,25cyclictest10150irq/55-4a10000010:20:370
32693998546,24cyclictest101ktimersoftd/009:25:370
204992856,66sleep020501-21fw_forwarded_lo10:35:320
32693998454,13cyclictest10150irq/55-4a10000012:05:340
32693998448,27cyclictest0-21swapper/011:50:210
32693998238,29cyclictest3650irq/20-4900000008:10:270
32693998132,31cyclictest1-21systemd11:46:410
32693998131,11cyclictest101ktimersoftd/008:55:330
32693998050,13cyclictest10150irq/55-4a10000010:10:290
32693998046,15cyclictest10150irq/55-4a10000009:50:120
32693998037,14cyclictest10250irq/56-4a10000008:16:030
236792805,63sleep0101ktimersoftd/008:40:460
32693997960,11cyclictest101ktimersoftd/011:35:200
32693997948,22cyclictest16393-21cron10:20:010
32693997930,14cyclictest10250irq/56-4a10000007:35:550
32693997860,11cyclictest101ktimersoftd/010:40:310
32693997856,11cyclictest101ktimersoftd/010:05:260
32693997852,18cyclictest18436-21cron12:35:010
32693997849,12cyclictest10150irq/55-4a10000011:00:240
32693997846,15cyclictest10150irq/55-4a10000010:50:350
32693997845,23cyclictest10543-21runrttasks07:50:190
32693997759,11cyclictest101ktimersoftd/008:34:500
32693997755,16cyclictest9971-21aten_r7power_po09:55:150
32693997748,13cyclictest10150irq/55-4a10000010:45:370
32693997748,12cyclictest10150irq/55-4a10000009:20:250
32693997740,24cyclictest28397-21df_inode09:00:190
32693997724,24cyclictest0-21swapper/007:20:130
32693997650,17cyclictest8869-21/usr/sbin/munin11:55:320
32693997648,12cyclictest10150irq/55-4a10000011:40:170
32693997646,12cyclictest10150irq/55-4a10000012:25:020
32693997646,12cyclictest10150irq/55-4a10000007:15:420
32693997629,29cyclictest9874-21aten_r7power_en12:00:130
32693997538,27cyclictest0-21swapper/009:35:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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