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2025-12-11 - 13:40
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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 Thu Dec 11, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911820,5ptp4l401ktimersoftd/320:24:513
1195221600,4sleep099699cyclictest01:10:490
1276821410,4sleep099699cyclictest20:48:130
257482650,6sleep025752-21latency_hist23:02:490
100852630,4sleep099699cyclictest23:57:010
177391580,1ptp4l401ktimersoftd/323:47:453
177391580,1ptp4l401ktimersoftd/323:34:373
272752560,5sleep3101699cyclictest00:15:473
996995528,3cyclictest9-21ksoftirqd/023:03:010
6952554,40sleep00-21swapper/020:25:160
6872554,10sleep20-21swapper/220:25:102
177391550,1ptp4l401ktimersoftd/320:43:163
177391520,2ptp4l2016-21kworker/3:023:51:493
161792520,1sleep30-21swapper/322:51:563
996995023,7cyclictest9-21ksoftirqd/000:17:520
996995020,6cyclictest9-21ksoftirqd/000:32:520
1001995038,6cyclictest25-21ksoftirqd/122:38:031
996994937,10cyclictest9-21ksoftirqd/001:52:590
996994925,4cyclictest9-21ksoftirqd/022:40:230
996994921,4cyclictest9-21ksoftirqd/023:33:030
996994920,6cyclictest9-21ksoftirqd/023:13:130
996994915,6cyclictest9-21ksoftirqd/001:33:140
177391490,2ptp4l2016-21kworker/3:023:53:013
99699489,3cyclictest9-21ksoftirqd/023:18:050
996994823,4cyclictest9-21ksoftirqd/001:43:360
996994822,4cyclictest9-21ksoftirqd/001:17:270
996994818,6cyclictest9-21ksoftirqd/023:25:550
177391480,2ptp4l2016-21kworker/3:022:43:343
996994720,4cyclictest9-21ksoftirqd/000:55:160
996994720,4cyclictest9-21ksoftirqd/000:55:160
996994716,8cyclictest9-21ksoftirqd/000:22:370
996994624,7cyclictest9-21ksoftirqd/020:37:470
996994618,7cyclictest9-21ksoftirqd/023:49:100
996994610,8cyclictest9-21ksoftirqd/022:48:100
996994610,6cyclictest9-21ksoftirqd/021:03:050
996994610,4cyclictest9-21ksoftirqd/023:38:190
7482464,29sleep10-21swapper/120:25:571
177391460,1ptp4l401ktimersoftd/320:34:353
996994532,4cyclictest9-21ksoftirqd/022:18:050
996994520,4cyclictest9-21ksoftirqd/022:34:370
996994520,4cyclictest9-21ksoftirqd/001:48:080
996994520,4cyclictest9-21ksoftirqd/001:07:480
996994517,11cyclictest9-21ksoftirqd/000:03:130
996994516,6cyclictest9-21ksoftirqd/022:46:040
996994510,7cyclictest9-21ksoftirqd/000:38:070
99699448,3cyclictest9-21ksoftirqd/000:23:210
99699445,3cyclictest9-21ksoftirqd/021:47:480
996994438,3cyclictest9-21ksoftirqd/022:13:040
996994419,4cyclictest9-21ksoftirqd/000:48:240
996994417,9cyclictest9-21ksoftirqd/022:23:020
996994417,4cyclictest9-21ksoftirqd/022:29:210
996994415,6cyclictest9-21ksoftirqd/021:53:080
99699439,7cyclictest9-21ksoftirqd/023:43:210
99699437,7cyclictest9-21ksoftirqd/001:18:120
99699433,6cyclictest9-21ksoftirqd/001:26:110
996994319,4cyclictest9-21ksoftirqd/023:58:490
996994318,8cyclictest9-21ksoftirqd/023:27:550
996994315,7cyclictest9-21ksoftirqd/001:42:310
1001994331,10cyclictest25-21ksoftirqd/123:57:511
99699429,7cyclictest9-21ksoftirqd/021:38:070
99699429,7cyclictest9-21ksoftirqd/020:38:130
996994225,7cyclictest9-21ksoftirqd/000:59:560
99699422,3cyclictest121rcu_preempt20:57:470
996994214,4cyclictest9-21ksoftirqd/021:48:080
99699418,7cyclictest9-21ksoftirqd/022:03:000
99699414,3cyclictest121rcu_preempt21:28:110
996994127,3cyclictest9-21ksoftirqd/000:08:050
99699412,3cyclictest9-21ksoftirqd/001:28:050
996994118,4cyclictest9-21ksoftirqd/000:34:210
996994113,6cyclictest9-21ksoftirqd/022:00:540
99699405,8cyclictest9-21ksoftirqd/020:58:100
99699404,3cyclictest9-21ksoftirqd/022:57:130
99699403,3cyclictest9-21ksoftirqd/021:22:470
99699401,4cyclictest683-21grep21:33:010
99699401,3cyclictest121rcu_preempt20:28:140
185391402,7phc2sys2016-21kworker/3:000:52:163
99699397,6cyclictest9-21ksoftirqd/000:43:090
99699396,3cyclictest9-21ksoftirqd/021:27:470
99699396,3cyclictest9-21ksoftirqd/021:27:470
996993919,6cyclictest9-21ksoftirqd/021:14:440
99699391,3cyclictest121rcu_preempt22:08:180
99699390,3cyclictest121rcu_preempt23:12:500
99699390,3cyclictest121rcu_preempt23:12:500
177391390,1ptp4l401ktimersoftd/300:53:323
177391390,1ptp4l401ktimersoftd/300:53:323
177391390,1ptp4l401ktimersoftd/300:30:303
177391390,0ptp4l401ktimersoftd/322:40:273
99699386,6cyclictest9-21ksoftirqd/020:43:010
996993833,3cyclictest9-21ksoftirqd/021:08:120
177391380,1ptp4l401ktimersoftd/322:53:053
177391380,1ptp4l401ktimersoftd/301:53:193
177391380,1ptp4l401ktimersoftd/301:26:103
177391380,1ptp4l401ktimersoftd/301:21:233
177391380,1ptp4l401ktimersoftd/301:01:463
177391380,1ptp4l401ktimersoftd/300:33:403
177391380,1ptp4l401ktimersoftd/300:19:253
177391380,0ptp4l401ktimersoftd/301:17:193
177391370,1ptp4l401ktimersoftd/323:30:003
177391370,1ptp4l401ktimersoftd/323:03:283
177391370,1ptp4l401ktimersoftd/320:37:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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