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2025-12-31 - 12:36
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackcslot8.osadl.org (updated Wed Dec 31, 2025 00:48:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232352278270,6sleep170-21swapper/1719:05:239
258179919120,166cyclictest0-21swapper/422:35:1726
258179919120,166cyclictest0-21swapper/422:35:1626
258179918423,119cyclictest0-21swapper/421:40:1826
258179918423,119cyclictest0-21swapper/421:40:1726
215732184175,6sleep120-21swapper/1219:05:194
258179918017,137cyclictest0-21swapper/400:00:1526
258179916023,99cyclictest0-21swapper/423:41:3126
259599915947,91cyclictest0-21swapper/2919:35:1422
259599915138,86cyclictest0-21swapper/2900:20:3422
258179915122,40cyclictest0-21swapper/421:53:1426
258179915122,40cyclictest0-21swapper/421:53:1326
257989914654,90cyclictest0-21swapper/019:15:200
25925991440,83cyclictest0-21swapper/2521:57:1818
25925991440,83cyclictest0-21swapper/2521:57:1718
259259914350,62cyclictest0-21swapper/2500:04:3218
258499914347,62cyclictest0-21swapper/1220:21:454
25859991410,87cyclictest0-21swapper/1419:40:206
258499914131,68cyclictest0-21swapper/1221:27:294
258499914131,68cyclictest0-21swapper/1221:27:284
225252141132,7sleep140-21swapper/1419:05:216
259259914056,60cyclictest0-21swapper/2523:08:2218
25925991400,82cyclictest0-21swapper/2500:06:0418
258499914047,57cyclictest0-21swapper/1223:13:344
258499914046,59cyclictest0-21swapper/1219:20:184
25829991400,80cyclictest0-21swapper/723:55:3729
259599913924,31cyclictest0-21swapper/2920:26:3222
25959991390,87cyclictest0-21swapper/2922:58:3222
259259913948,54cyclictest0-21swapper/2500:38:0818
258499913948,62cyclictest0-21swapper/1200:25:274
258299913938,66cyclictest0-21swapper/723:05:2329
25829991390,85cyclictest0-21swapper/723:14:2829
258499913830,64cyclictest0-21swapper/1223:15:574
258499913829,65cyclictest0-21swapper/1222:05:264
258499913829,65cyclictest0-21swapper/1222:05:254
258499913828,70cyclictest0-21swapper/1221:55:204
258499913828,70cyclictest0-21swapper/1221:55:194
258179913823,81cyclictest0-21swapper/400:19:2426
259259913741,59cyclictest0-21swapper/2521:54:2118
259259913741,59cyclictest0-21swapper/2521:54:2018
258499913732,66cyclictest0-21swapper/1223:05:164
258499913730,69cyclictest0-21swapper/1223:30:254
258499913730,67cyclictest0-21swapper/1222:26:304
258499913730,67cyclictest0-21swapper/1222:26:294
258499913727,64cyclictest0-21swapper/1220:50:134
258299913730,60cyclictest0-21swapper/723:43:5329
25829991371,80cyclictest0-21swapper/700:25:0229
258179913724,69cyclictest0-21swapper/422:08:4526
258179913724,69cyclictest0-21swapper/422:08:4526
258179913723,82cyclictest0-21swapper/420:20:1826
25959991360,82cyclictest0-21swapper/2900:05:2722
259259913631,66cyclictest0-21swapper/2519:46:2218
259259913623,68cyclictest0-21swapper/2521:20:5718
259259913623,68cyclictest0-21swapper/2521:20:5618
25849991360,82cyclictest0-21swapper/1221:51:144
25849991360,82cyclictest0-21swapper/1221:51:134
258299913639,59cyclictest0-21swapper/723:34:1529
258299913638,56cyclictest0-21swapper/722:49:2129
258299913628,64cyclictest0-21swapper/722:32:1629
258299913628,64cyclictest0-21swapper/722:32:1529
258299913628,62cyclictest0-21swapper/700:35:4229
258299913626,65cyclictest0-21swapper/722:03:2529
258299913626,65cyclictest0-21swapper/722:03:2429
259259913531,66cyclictest0-21swapper/2520:55:1818
258499913552,66cyclictest0-21swapper/1221:34:264
258499913552,66cyclictest0-21swapper/1221:34:254
258499913530,60cyclictest0-21swapper/1223:35:134
258179913546,63cyclictest0-21swapper/420:25:2126
258179913529,68cyclictest0-21swapper/422:22:1626
258179913529,68cyclictest0-21swapper/422:22:1526
25925991340,78cyclictest0-21swapper/2500:21:3518
258499913429,62cyclictest0-21swapper/1222:45:134
258299913443,61cyclictest0-21swapper/721:00:2029
258299913429,61cyclictest0-21swapper/722:19:5929
258299913429,61cyclictest0-21swapper/722:19:5829
258299913429,61cyclictest0-21swapper/719:20:2529
258179913447,58cyclictest0-21swapper/421:10:1526
258179913427,72cyclictest0-21swapper/400:12:2026
258179913427,70cyclictest0-21swapper/400:24:4726
258179913426,69cyclictest0-21swapper/421:58:3526
258179913426,69cyclictest0-21swapper/421:58:3426
259259913329,68cyclictest0-21swapper/2522:02:3818
259259913329,68cyclictest0-21swapper/2522:02:3718
259259913321,66cyclictest0-21swapper/2519:55:2718
258499913353,62cyclictest0-21swapper/1219:45:264
258499913341,58cyclictest0-21swapper/1222:20:254
258499913341,58cyclictest0-21swapper/1222:20:244
258499913328,61cyclictest0-21swapper/1219:35:244
258299913329,61cyclictest0-21swapper/721:15:1729
258299913328,66cyclictest0-21swapper/721:55:2429
258299913328,66cyclictest0-21swapper/721:55:2329
258299913328,61cyclictest0-21swapper/723:50:5029
258299913325,66cyclictest0-21swapper/723:46:3229
25829991330,79cyclictest0-21swapper/700:00:2729
258179913349,57cyclictest0-21swapper/422:34:0926
258179913349,57cyclictest0-21swapper/422:34:0826
258179913327,65cyclictest0-21swapper/400:27:2626
257989913341,79cyclictest0-21swapper/022:09:120
257989913341,79cyclictest0-21swapper/022:09:110
259259913224,61cyclictest0-21swapper/2500:30:0818
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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