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2025-11-21 - 17:07
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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 100 highest latencies:
System rackbslot6.osadl.org (updated Fri Nov 21, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3179321840,4sleep22941999cyclictest10:27:182
2150321740,3sleep22941999cyclictest12:51:192
3154021590,1sleep20-21swapper/212:23:002
903021570,5sleep12941499cyclictest13:12:341
1372121570,4sleep12941499cyclictest13:17:361
1773911220,9ptp4l1294-21kworker/3:108:13:383
57982830,5sleep0101ktimersoftd/011:12:450
177391670,1ptp4l401ktimersoftd/311:42:143
177391670,10ptp4l401ktimersoftd/311:08:493
268922650,3sleep32942699cyclictest10:22:133
177391620,1ptp4l401ktimersoftd/310:20:423
19882610,5sleep22941999cyclictest13:42:062
29405995836,3cyclictest9-21ksoftirqd/011:07:010
216002580,2sleep30-21swapper/310:53:533
166812580,4sleep02940599cyclictest11:27:180
29405995751,3cyclictest9-21ksoftirqd/012:12:160
29405995750,3cyclictest9-21ksoftirqd/009:07:120
29405995750,3cyclictest9-21ksoftirqd/008:57:120
290542574,42sleep00-21swapper/008:13:510
29405995549,3cyclictest9-21ksoftirqd/010:07:120
206732540,2sleep30-21swapper/311:32:153
177391540,1ptp4l401ktimersoftd/312:17:393
29405995347,3cyclictest9-21ksoftirqd/009:32:110
29405995347,3cyclictest9-21ksoftirqd/009:32:110
29405995229,7cyclictest9-21ksoftirqd/013:37:300
29405995125,4cyclictest9-21ksoftirqd/013:17:240
177391510,1ptp4l401ktimersoftd/311:21:203
29405995043,4cyclictest9-21ksoftirqd/009:02:100
29405995025,3cyclictest9-21ksoftirqd/011:39:490
29405995024,4cyclictest9-21ksoftirqd/013:43:030
29405995019,7cyclictest9-21ksoftirqd/009:22:190
29405995019,7cyclictest9-21ksoftirqd/009:22:190
134632490,1sleep00-21swapper/012:02:150
29405994835,3cyclictest9-21ksoftirqd/010:47:350
29405994722,4cyclictest9-21ksoftirqd/011:24:210
29405994722,4cyclictest9-21ksoftirqd/008:27:150
29405994634,4cyclictest9-21ksoftirqd/012:52:190
29405994633,3cyclictest9-21ksoftirqd/011:07:170
29405994621,4cyclictest9-21ksoftirqd/013:22:330
29405994621,4cyclictest9-21ksoftirqd/012:29:100
29405994620,4cyclictest9-21ksoftirqd/013:07:430
2904124626,9sleep20-21swapper/208:13:412
29405994535,3cyclictest9-21ksoftirqd/010:52:210
29405994521,4cyclictest9-21ksoftirqd/013:04:050
29405994521,4cyclictest9-21ksoftirqd/013:04:050
29405994520,4cyclictest9-21ksoftirqd/011:53:250
177391450,2ptp4l23591-21kworker/3:213:18:543
29405994439,3cyclictest9-21ksoftirqd/010:57:050
29405994435,3cyclictest9-21ksoftirqd/009:52:000
29405994421,7cyclictest9-21ksoftirqd/011:45:330
29405994420,4cyclictest9-21ksoftirqd/012:44:320
29405994419,4cyclictest9-21ksoftirqd/012:40:250
29405994419,4cyclictest9-21ksoftirqd/012:07:450
29405994338,3cyclictest9-21ksoftirqd/009:27:030
29405994333,3cyclictest9-21ksoftirqd/010:39:380
29405994329,3cyclictest9-21ksoftirqd/011:17:160
29405994317,4cyclictest9-21ksoftirqd/010:42:170
2940599430,5cyclictest6544-21ps12:32:220
29405994218,3cyclictest9-21ksoftirqd/012:57:330
29405994211,6cyclictest9-21ksoftirqd/013:27:290
285942425,22sleep128598-21/usr/sbin/munin08:12:271
177391420,1ptp4l401ktimersoftd/310:47:033
2940599417,6cyclictest9-21ksoftirqd/008:17:290
2940599414,3cyclictest9-21ksoftirqd/008:42:280
29405994136,3cyclictest9-21ksoftirqd/011:47:180
29405994131,3cyclictest9-21ksoftirqd/008:22:170
29405994116,4cyclictest9-21ksoftirqd/013:14:550
2940599404,8cyclictest9-21ksoftirqd/008:32:170
2940599404,4cyclictest9-21ksoftirqd/012:47:180
29405994035,3cyclictest9-21ksoftirqd/011:37:020
2940599403,3cyclictest121rcu_preempt08:47:150
29405994026,6cyclictest9-21ksoftirqd/010:17:260
2940599402,3cyclictest9-21ksoftirqd/010:33:440
29405994017,3cyclictest9-21ksoftirqd/012:22:500
29405994015,4cyclictest9-21ksoftirqd/010:23:530
2940599399,9cyclictest9-21ksoftirqd/009:52:280
2940599395,3cyclictest9-21ksoftirqd/009:57:160
29405993934,3cyclictest9-21ksoftirqd/010:17:010
29405993928,8cyclictest9-21ksoftirqd/010:27:160
29405993927,3cyclictest9-21ksoftirqd/012:17:320
29405993916,4cyclictest9-21ksoftirqd/011:58:210
177391390,1ptp4l401ktimersoftd/313:07:173
177391390,1ptp4l401ktimersoftd/312:57:243
177391390,1ptp4l401ktimersoftd/311:52:043
2940599383,3cyclictest121rcu_preempt09:17:130
2940599382,7cyclictest9-21ksoftirqd/013:32:190
177391380,1ptp4l401ktimersoftd/313:24:023
177391380,1ptp4l401ktimersoftd/312:52:123
177391380,1ptp4l401ktimersoftd/312:47:073
177391380,1ptp4l401ktimersoftd/312:39:503
177391380,1ptp4l401ktimersoftd/312:25:453
177391380,1ptp4l401ktimersoftd/312:11:483
177391380,1ptp4l401ktimersoftd/311:06:023
177391380,1ptp4l401ktimersoftd/311:00:003
177391380,1ptp4l401ktimersoftd/310:44:213
177391380,1ptp4l401ktimersoftd/310:28:173
177391380,1ptp4l401ktimersoftd/309:38:183
177391380,1ptp4l401ktimersoftd/308:57:083
2940599378,4cyclictest9-21ksoftirqd/009:42:220
29405993732,3cyclictest9-21ksoftirqd/009:37:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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