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2023-03-28 - 14:23

x86 Intel Core i7-3770K @3500 MHz, Linux 5.15.49-rt47 (Profile)

Latency plot of system in rack #0, slot #5
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 rack0slot5.osadl.org (updated Tue Mar 28, 2023 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10759662429423,3sleep80-21swapper/819:01:4314
10759062388368,11sleep10-21swapper/119:00:471
10737192355349,3sleep110-21swapper/1119:00:253
10759292346326,10sleep70-21swapper/719:01:0913
10760192341322,11sleep60-21swapper/619:02:2912
10760662337329,4sleep20-21swapper/219:03:138
10740822337317,11sleep120-21swapper/1219:00:264
10761002327307,10sleep150-21swapper/1519:03:427
10760352327311,9sleep50-21swapper/519:02:4411
10759622327307,10sleep40-21swapper/419:01:3910
10761922326306,10sleep30-21swapper/319:04:519
10759362326306,10sleep140-21swapper/1419:01:166
10759852325307,10sleep90-21swapper/919:02:0015
10760782323304,10sleep130-21swapper/1319:03:245
10760752322303,11sleep100-21swapper/1019:03:212
10759932321301,10sleep00-21swapper/019:02:070
107654299306,14cyclictest0-21swapper/1223:02:444
107654299305,14cyclictest0-21swapper/1200:30:364
107654299295,13cyclictest0-21swapper/1223:35:414
107654299251,11cyclictest0-21swapper/1219:12:054
107652299230,13cyclictest0-21swapper/721:20:0913
1076532992111,0cyclictest0-21swapper/1019:08:112
107654699200,14cyclictest141rcu_preempt19:44:065
1076542992010,10cyclictest0-21swapper/1223:41:094
107653299200,17cyclictest0-21swapper/1021:01:262
1076522992010,10cyclictest0-21swapper/723:29:0913
107654299196,13cyclictest0-21swapper/1223:13:434
107654299196,13cyclictest0-21swapper/1222:29:474
107654299196,13cyclictest0-21swapper/1222:29:474
107654299196,13cyclictest0-21swapper/1222:07:494
107654299196,13cyclictest0-21swapper/1221:12:544
107654299196,13cyclictest0-21swapper/1220:07:004
107654299196,13cyclictest0-21swapper/1200:19:374
1076512991916,3cyclictest1454-21snmpd23:50:3310
139099180,1ntpd81-21ksoftirqd/922:58:2715
139099180,1ntpd25-21ksoftirqd/122:45:171
107655099180,15cyclictest0-21swapper/1421:38:386
107655099180,15cyclictest0-21swapper/1420:33:326
107655099180,15cyclictest0-21swapper/1400:21:366
107654299185,13cyclictest0-21swapper/1223:57:394
107654299185,13cyclictest0-21swapper/1223:24:424
107654299185,13cyclictest0-21swapper/1222:51:454
107654299185,13cyclictest0-21swapper/1222:40:464
107654299185,13cyclictest0-21swapper/1222:18:484
107654299185,13cyclictest0-21swapper/1222:18:484
107654299185,13cyclictest0-21swapper/1221:34:524
107654299185,13cyclictest0-21swapper/1221:23:534
107654299185,13cyclictest0-21swapper/1221:01:554
107654299185,13cyclictest0-21swapper/1220:50:564
107654299185,13cyclictest0-21swapper/1220:39:574
107654299185,13cyclictest0-21swapper/1220:28:584
107654299185,13cyclictest0-21swapper/1220:17:594
107654299185,13cyclictest0-21swapper/1219:56:014
107654299185,13cyclictest0-21swapper/1219:45:024
107654299185,13cyclictest0-21swapper/1219:34:034
107654299185,13cyclictest0-21swapper/1219:23:044
107654299185,13cyclictest0-21swapper/1200:08:384
107654299184,14cyclictest0-21swapper/1221:45:514
107652799188,10cyclictest1305418-21Xorg22:45:1115
107652499188,10cyclictest0-21swapper/821:36:1114
107652299188,10cyclictest0-21swapper/721:11:0913
139099170,1ntpd81-21ksoftirqd/922:27:4415
139099170,1ntpd81-21ksoftirqd/922:27:4415
139099170,1ntpd25-21ksoftirqd/123:20:171
139099170,1ntpd25-21ksoftirqd/100:30:461
1076555991716,1cyclictest1454-21snmpd23:37:097
107655599170,16cyclictest123-21ksoftirqd/1500:00:347
107655599170,15cyclictest0-21swapper/1521:33:207
107655599170,14cyclictest0-21swapper/1519:23:387
107655599170,0cyclictest0-21swapper/1520:18:017
107655599170,0cyclictest0-21swapper/1500:23:317
107655099170,17cyclictest0-21swapper/1419:50:586
107655099170,16cyclictest0-21swapper/1423:36:346
107655099170,16cyclictest0-21swapper/1423:16:486
107655099170,16cyclictest0-21swapper/1422:20:026
107655099170,16cyclictest0-21swapper/1422:20:026
107655099170,16cyclictest0-21swapper/1422:05:126
107655099170,16cyclictest0-21swapper/1421:15:446
107655099170,16cyclictest0-21swapper/1421:01:586
107655099170,16cyclictest0-21swapper/1420:59:206
107655099170,16cyclictest0-21swapper/1420:23:406
107655099170,16cyclictest0-21swapper/1419:43:186
107655099170,16cyclictest0-21swapper/1419:32:126
107655099170,13cyclictest0-21swapper/1419:05:286
107655099170,0cyclictest0-21swapper/1419:28:356
107654699177,10cyclictest0-21swapper/1322:51:115
1076546991713,2cyclictest1029638-21kworker/13:219:10:115
107654699170,0cyclictest0-21swapper/1319:23:295
107654299177,10cyclictest0-21swapper/1222:47:094
107654299175,12cyclictest0-21swapper/1221:56:504
1076542991716,1cyclictest1454-21snmpd23:53:424
1076542991716,1cyclictest1454-21snmpd22:24:494
1076542991716,1cyclictest1454-21snmpd22:24:494
107654299170,14cyclictest0-21swapper/1221:41:274
107653299170,14cyclictest0-21swapper/1023:42:272
107653299170,14cyclictest0-21swapper/1020:28:342
107653299170,14cyclictest0-21swapper/1000:19:132
1076527991716,1cyclictest52950usb-storage23:20:4415
107652799170,14cyclictest0-21swapper/923:30:2715
107652799170,0cyclictest0-21swapper/921:39:1215
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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