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2023-09-23 - 09:22
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack8slot7.osadl.org (updated Sat Sep 23, 2023 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
217499240,3cyclictest601-21irqbalance00:18:251
217499210,1cyclictest601-21irqbalance21:20:551
2173992120,1cyclictest0-21swapper/021:32:450
217499180,18cyclictest0-21swapper/100:07:051
2174991716,1cyclictest0-21swapper/123:55:261
2174991615,1cyclictest0-21swapper/122:35:551
2174991615,1cyclictest0-21swapper/121:37:351
2173991615,1cyclictest0-21swapper/021:41:260
2174991512,2cyclictest25250-21x2gosqlitewrapp22:42:361
2173991413,1cyclictest0-21swapper/023:14:460
2173991413,1cyclictest0-21swapper/022:54:450
2174991312,1cyclictest0-21swapper/100:27:061
217399137,2cyclictest6368-21diskmemload00:30:280
217399137,2cyclictest19650-21ssh22:11:480
217399130,10cyclictest0-21swapper/000:20:290
217499121,2cyclictest9102-21ntp_states22:55:271
2174991211,1cyclictest0-21swapper/122:09:451
217399128,1cyclictest0-21swapper/000:00:020
217399125,5cyclictest25156-21x2gosqlitewrapp23:08:460
217399123,6cyclictest13-21ksoftirqd/021:28:570
217399121,8cyclictest10493-21x2gosqlitewrapp22:05:090
217399121,3cyclictest30810-21df_inode00:05:210
2173991211,1cyclictest0-21swapper/023:39:350
217399120,8cyclictest0-21swapper/019:35:470
217399120,6cyclictest24242-21ssh21:50:180
217499113,7cyclictest31071-21awk23:39:591
217499113,7cyclictest2691-21awk22:25:001
217499111,2cyclictest8409-21x2golistsession20:15:281
217399118,2cyclictest8536-21x2gosqlitewrapp23:47:130
217399117,1cyclictest13-21ksoftirqd/021:49:520
217399116,3cyclictest6368-21diskmemload23:19:200
217399116,3cyclictest26733-21x2gosqlitewrapp00:27:550
217399115,2cyclictest13364-21x2gosqlitewrapp22:33:090
217399114,2cyclictest141rcu_preempt21:20:180
217399113,5cyclictest14836-21x2golistsession23:25:530
217399112,7cyclictest323-21x2gosqlitewrapp22:48:570
217399112,5cyclictest25957-21x2golistsession22:43:220
217399112,2cyclictest21759-21x2gosqlitewrapp23:57:590
217399111,6cyclictest19042-21ssh22:37:360
217399111,6cyclictest12603-21sh23:50:260
217399111,6cyclictest0-21swapper/022:00:250
217399111,2cyclictest13-21ksoftirqd/000:15:320
217399110,8cyclictest8653-21x2golistsession23:20:500
217399110,7cyclictest8464-21x2gosqlitewrapp00:39:460
217399110,7cyclictest6574-21ssh00:11:210
217399110,7cyclictest6368-21diskmemload21:36:240
217399110,7cyclictest3196-21/usr/sbin/munin19:10:240
217399110,7cyclictest24037-21/usr/sbin/munin19:45:280
217399110,7cyclictest1870-21/usr/sbin/munin20:05:220
217399110,6cyclictest4489-21x2gosqlitewrapp23:44:330
217399110,6cyclictest24529-21x2golistsession22:15:300
217399110,6cyclictest10057-21ssh22:55:560
217499109,1cyclictest0-21swapper/122:14:261
217499108,1cyclictest6368-21diskmemload23:03:241
217499107,2cyclictest40450irq/26-topwin00:31:241
217499107,2cyclictest2315-21x2golistsession19:10:171
217499101,5cyclictest19754-21x2gosqlitewrapp00:22:051
217499101,5cyclictest0-21swapper/121:55:041
217499101,2cyclictest5184-21x2golistsession00:10:241
217499101,2cyclictest3349-21df_inode00:35:201
217499101,2cyclictest28902-21x2golistsession21:53:461
217499101,2cyclictest26409-21x2gosqlitewrapp22:17:211
217499101,2cyclictest24647-21x2gosqlitewrapp20:45:031
217499101,2cyclictest23732-21x2gosqlitewrapp20:42:001
217499101,2cyclictest16580-21df_inode20:30:211
217499100,4cyclictest10241-21x2golistsession23:22:351
217499100,3cyclictest8430-21ssh23:47:051
217499100,3cyclictest28478-21x2golistsession21:27:011
217499100,3cyclictest20517-21x2gosqlitewrapp21:46:291
217499100,2cyclictest0-21swapper/122:33:231
217499100,1cyclictest141rcu_preempt23:16:111
217399102,5cyclictest13-21ksoftirqd/022:25:100
217399102,5cyclictest13-21ksoftirqd/020:40:120
217399102,5cyclictest13-21ksoftirqd/019:50:030
217399102,5cyclictest13-21ksoftirqd/019:30:310
217399102,3cyclictest27631-21x2golistsession20:50:190
217399101,7cyclictest14023-21x2gosqlitewrapp21:15:250
217399101,6cyclictest32604-21/usr/sbin/munin20:00:270
217399101,5cyclictest4659-21/usr/sbin/munin21:05:230
217399101,3cyclictest12373-21x2gosqlitewrapp19:25:290
217399101,2cyclictest6777-21x2gosqlitewrapp21:10:190
217399101,2cyclictest29215-21x2golistsession22:20:140
217399101,2cyclictest15583-21x2golistsession20:28:420
217399101,2cyclictest14092-21x2golistsession23:00:040
217399100,6cyclictest9313-21x2golistsession19:20:250
217399100,6cyclictest5310-21x2gosqlitewrapp20:10:240
217399100,6cyclictest5036-21munin-node19:15:010
217399100,6cyclictest31504-21x2golistsession20:55:270
217399100,6cyclictest30953-21df_inode21:55:210
217399100,6cyclictest29950-21tail19:55:310
217399100,6cyclictest25417-21x2golistsession20:45:250
217399100,6cyclictest19977-21/usr/sbin/munin20:35:280
217399100,6cyclictest19653-21x2gosqlitewrapp23:30:240
217399100,6cyclictest17056-21x2gosqlitewrapp20:30:250
217399100,6cyclictest1403-21grep21:00:190
217399100,6cyclictest12004-21x2golistsession20:20:460
21749991,7cyclictest698-21x2gosqlitewrapp20:01:181
21749991,7cyclictest5828-21x2golistsession22:26:441
21749991,7cyclictest28546-21x2gosqlitewrapp19:55:141
21749991,7cyclictest28150-21x2golistsession20:50:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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