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2024-11-21 - 15:47
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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 rack5slot2.osadl.org (updated Thu Nov 21, 2024 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36072201186,10sleep10-21swapper/107:07:031
38172189170,14sleep00-21swapper/007:09:480
37062180164,11sleep30-21swapper/307:08:223
37052179162,12sleep20-21swapper/207:08:212
96032420,0sleep10-21swapper/112:10:491
46542420,0sleep20-21swapper/210:48:362
135532420,0sleep20-21swapper/211:09:052
26369280,0sleep30-21swapper/310:10:493
40139964,1cyclictest14575-21munin-run07:30:000
40209955,0cyclictest27551-21kworker/3:112:21:333
40209955,0cyclictest27551-21kworker/3:111:47:583
40209955,0cyclictest27551-21kworker/3:111:36:463
40209955,0cyclictest27551-21kworker/3:110:52:003
40209955,0cyclictest27551-21kworker/3:110:40:483
40209955,0cyclictest27551-21kworker/3:110:29:363
40209955,0cyclictest27551-21kworker/3:110:18:263
40209955,0cyclictest27551-21kworker/3:109:56:013
40209955,0cyclictest27551-21kworker/3:109:33:383
40209955,0cyclictest27551-21kworker/3:108:48:503
40209955,0cyclictest27551-21kworker/3:107:52:513
40209955,0cyclictest27551-21kworker/3:107:19:183
40209955,0cyclictest0-21swapper/312:04:383
40209950,5cyclictest7873-21ssh09:13:493
40209950,5cyclictest0-21swapper/312:13:223
40209950,5cyclictest0-21swapper/312:06:143
40209950,4cyclictest32393-21perl10:30:133
40209950,4cyclictest29498-21apt-get10:45:023
40169955,0cyclictest0-21swapper/209:57:532
40169954,1cyclictest29384-21turbostat09:05:012
40169952,3cyclictest25429-21ssh10:42:452
40169950,5cyclictest0-21swapper/212:17:262
40169950,5cyclictest0-21swapper/211:49:382
40169950,5cyclictest0-21swapper/211:37:512
40169950,5cyclictest0-21swapper/209:28:302
40169950,4cyclictest23464-21ntp_states08:50:172
40169950,0cyclictest0-21swapper/212:04:462
40149951,2cyclictest0-21swapper/109:40:111
40149951,2cyclictest0-21swapper/108:25:101
40149950,5cyclictest0-21swapper/112:38:541
40149950,5cyclictest0-21swapper/111:27:191
40149950,5cyclictest0-21swapper/109:48:491
40139953,1cyclictest27602-21diskstats12:20:140
40139952,3cyclictest3-21ksoftirqd/010:29:480
40139952,3cyclictest28927-21grep07:55:190
40139951,4cyclictest30997-21snmpd10:53:270
40139951,3cyclictest6557-21kworker/0:111:20:180
40139951,3cyclictest30997-21snmpd12:14:570
40139951,3cyclictest30997-21snmpd10:45:150
40139950,5cyclictest0-21swapper/012:37:420
40139950,5cyclictest0-21swapper/011:54:550
40139950,5cyclictest0-21swapper/010:20:120
40139950,5cyclictest0-21swapper/010:14:140
40139950,4cyclictest6496-21users08:15:230
40139950,4cyclictest17773-21df_inode08:40:110
40139950,4cyclictest0-21swapper/011:35:120
40139950,4cyclictest0-21swapper/009:55:120
40139950,1cyclictest81rcu_preempt09:40:100
40139950,0cyclictest0-21swapper/012:04:460
40209944,0cyclictest27551-21kworker/3:111:59:093
40209944,0cyclictest27551-21kworker/3:109:00:023
40209944,0cyclictest27551-21kworker/3:108:37:383
40209944,0cyclictest27551-21kworker/3:108:26:263
40209944,0cyclictest27551-21kworker/3:107:30:293
40209944,0cyclictest0-21swapper/312:26:013
40209944,0cyclictest0-21swapper/311:12:243
40209944,0cyclictest0-21swapper/310:55:223
40209943,1cyclictest2968-21/usr/sbin/munin10:00:173
40209942,2cyclictest30997-21snmpd11:00:393
40209942,1cyclictest30997-21snmpd08:20:103
40209940,4cyclictest0-21swapper/312:35:103
40209940,4cyclictest0-21swapper/312:19:393
40209940,4cyclictest0-21swapper/311:41:513
40209940,4cyclictest0-21swapper/311:30:233
40209940,4cyclictest0-21swapper/311:25:103
40209940,4cyclictest0-21swapper/311:05:383
40209940,4cyclictest0-21swapper/310:35:203
40209940,4cyclictest0-21swapper/310:05:113
40209940,4cyclictest0-21swapper/309:50:153
40209940,4cyclictest0-21swapper/309:46:173
40209940,4cyclictest0-21swapper/309:41:363
40209940,4cyclictest0-21swapper/309:16:323
40209940,4cyclictest0-21swapper/308:50:163
40209940,4cyclictest0-21swapper/307:35:103
40209940,4cyclictest0-21swapper/307:13:133
40209940,3cyclictest4653-21apt-get08:15:133
40209940,3cyclictest32177-21/usr/sbin/munin11:50:223
40209940,3cyclictest2928-21sh11:20:013
40209940,3cyclictest25180-21df08:55:123
40209940,3cyclictest21696-21/usr/sbin/munin09:20:163
40209940,3cyclictest20286-21diskstats07:40:133
40209940,3cyclictest19691-21latency_hist08:45:013
40209940,3cyclictest13417-21memory07:25:163
40209940,3cyclictest12877-21ntp_states10:20:193
40209940,3cyclictest0-21swapper/308:30:113
40209940,2cyclictest0-21swapper/312:30:113
40209940,1cyclictest9851-21/usr/sbin/munin07:20:143
40209940,1cyclictest16943-21/usr/sbin/munin09:35:123
40169944,0cyclictest0-21swapper/212:32:252
40169944,0cyclictest0-21swapper/210:37:022
40169944,0cyclictest0-21swapper/210:22:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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