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2021-09-17 - 21:58

AMD Ryzen Threadripper 1950X 16-Core Processor, Linux 5.10.47-rt46 (Profile)

Latency plot of system in rack #c, slot #8
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 Fri Sep 17, 2021 12:49:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2159099371176,2cyclictest151rcu_preempt11:07:2918
2159099371176,2cyclictest151rcu_preempt11:07:2818
2158299347149,1cyclictest151rcu_preempt09:20:3417
2096913160,308ptp4l0-21swapper/107:07:471
213391271263,6phc2sys0-21swapper/207:05:1612
21527991758,137cyclictest0-21swapper/1412:29:336
21527991749,124cyclictest0-21swapper/1411:20:056
21527991749,124cyclictest0-21swapper/1411:20:046
21527991659,90cyclictest0-21swapper/1412:15:076
21527991659,90cyclictest0-21swapper/1412:15:066
21527991649,119cyclictest0-21swapper/1408:50:266
21527991579,116cyclictest0-21swapper/1407:49:346
21527991568,108cyclictest0-21swapper/1408:40:176
215769915517,137cyclictest0-21swapper/2309:34:2416
21511991556,118cyclictest0-21swapper/1110:41:003
214689915511,109cyclictest0-21swapper/210:36:3512
214689915510,143cyclictest0-21swapper/208:00:0012
215769915417,91cyclictest0-21swapper/2310:15:2516
21511991546,87cyclictest0-21swapper/1109:10:413
214689915411,95cyclictest0-21swapper/210:33:2112
215769915117,99cyclictest0-21swapper/2309:44:3316
21527991519,89cyclictest0-21swapper/1411:58:346
21590991506,86cyclictest0-21swapper/2511:45:2318
21590991506,86cyclictest0-21swapper/2511:45:2218
214689914911,100cyclictest0-21swapper/210:10:2312
214689914911,100cyclictest0-21swapper/210:10:2312
214629914830,86cyclictest0-21swapper/110:25:221
214629914830,86cyclictest0-21swapper/110:25:221
214629914830,117cyclictest0-21swapper/112:16:281
214629914830,117cyclictest0-21swapper/112:16:271
214629914730,71cyclictest0-21swapper/110:57:561
21511991466,114cyclictest0-21swapper/1108:00:423
214629914630,91cyclictest7426-21taskset10:14:241
214629914630,91cyclictest7426-21taskset10:14:231
21457991461,82cyclictest0-21swapper/008:55:210
21590991456,99cyclictest0-21swapper/2509:35:1918
21511991457,100cyclictest0-21swapper/1110:45:553
214629914528,89cyclictest0-21swapper/111:08:421
214629914528,89cyclictest0-21swapper/111:08:421
214629914525,119cyclictest0-21swapper/111:42:191
214629914525,119cyclictest0-21swapper/111:42:181
21558991440,84cyclictest0-21swapper/2011:34:2513
21558991440,84cyclictest0-21swapper/2011:34:2413
21527991449,105cyclictest0-21swapper/1410:57:066
214629914429,104cyclictest0-21swapper/107:18:021
214629914425,118cyclictest0-21swapper/111:53:001
214629914425,118cyclictest0-21swapper/111:52:591
21590991436,78cyclictest0-21swapper/2511:40:1818
21590991436,78cyclictest0-21swapper/2511:40:1818
214689914310,80cyclictest0-21swapper/212:37:2112
21527991429,79cyclictest0-21swapper/1410:09:316
214629914224,90cyclictest0-21swapper/107:20:291
21457991420,87cyclictest0-21swapper/008:40:370
21590991416,82cyclictest0-21swapper/2512:15:1818
21590991416,82cyclictest0-21swapper/2512:15:1718
21527991419,83cyclictest0-21swapper/1411:04:346
21527991419,83cyclictest0-21swapper/1411:04:346
21527991411,82cyclictest0-21swapper/1409:38:336
214629914123,81cyclictest0-21swapper/109:42:031
21590991406,125cyclictest0-21swapper/2510:23:2818
214629914021,107cyclictest0-21swapper/109:47:431
21527991399,83cyclictest0-21swapper/1411:52:096
21527991399,83cyclictest0-21swapper/1411:52:096
214629913920,116cyclictest0-21swapper/110:39:471
21590991386,82cyclictest0-21swapper/2510:51:5618
21590991386,82cyclictest0-21swapper/2510:51:5518
214629913530,100cyclictest0-21swapper/108:23:461
21462991350,87cyclictest0-21swapper/109:34:351
21590991346,79cyclictest0-21swapper/2510:29:3018
21590991346,79cyclictest0-21swapper/2510:29:2918
214629913430,72cyclictest0-21swapper/110:40:051
21590991336,126cyclictest0-21swapper/2512:28:0718
215279913349,52cyclictest0-21swapper/1408:38:116
21519991320,128cyclictest0-21swapper/1210:11:414
21519991320,128cyclictest0-21swapper/1210:11:404
21511991316,82cyclictest0-21swapper/1109:00:193
214689913110,78cyclictest0-21swapper/209:17:1112
21511991306,85cyclictest0-21swapper/1110:55:263
21511991296,62cyclictest0-21swapper/1109:15:303
21582991280,84cyclictest0-21swapper/2410:10:0217
21582991280,84cyclictest0-21swapper/2410:10:0117
215909912745,54cyclictest0-21swapper/2510:33:1318
215769912718,73cyclictest0-21swapper/2310:08:3716
215279912728,65cyclictest0-21swapper/1409:15:026
215279912727,65cyclictest0-21swapper/1409:21:286
21511991276,78cyclictest0-21swapper/1109:35:163
215279912634,61cyclictest0-21swapper/1408:02:226
215279912628,66cyclictest0-21swapper/1410:25:186
215279912628,66cyclictest0-21swapper/1410:25:176
215279912627,68cyclictest0-21swapper/1408:11:586
21511991266,95cyclictest0-21swapper/1108:59:333
214689912610,92cyclictest0-21swapper/209:36:4312
215279912545,62cyclictest0-21swapper/1411:12:196
215279912545,62cyclictest0-21swapper/1411:12:196
215279912529,72cyclictest0-21swapper/1411:25:586
215279912529,72cyclictest0-21swapper/1411:25:586
215279912527,67cyclictest0-21swapper/1410:20:306
215279912527,65cyclictest0-21swapper/1412:12:276
215279912527,65cyclictest0-21swapper/1412:12:266
215279912526,69cyclictest0-21swapper/1411:32:056
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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