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2024-04-14 - 18:41
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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
Characteristics of the 376 highest latencies:
System rackcslot2.osadl.org (updated Sun Apr 14, 2024 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1274626855,8sleep00-21swapper/007:02:340
1258226855,8sleep10-21swapper/107:00:531
204472660,0sleep00-21swapper/010:28:570
13165991816,1cyclictest10079-21ssh10:08:131
13165991716,1cyclictest29597-21awk07:45:171
13165991716,1cyclictest24878-21ssh09:45:051
13165991716,0cyclictest14911-21cat08:30:201
13165991616,0cyclictest6039-21ssh11:06:271
13165991615,1cyclictest31068-21ssh12:02:591
13165991610,6cyclictest0-21swapper/111:17:361
13164991616,0cyclictest0-21swapper/007:25:220
13164991615,0cyclictest30471-21ssh12:01:320
13164991614,1cyclictest288862sleep010:46:080
13164991610,6cyclictest0-21swapper/008:27:550
13164991610,6cyclictest0-21swapper/008:15:190
13164991610,6cyclictest0-21swapper/007:33:240
13164991610,0cyclictest0-21swapper/010:08:150
13164991610,0cyclictest0-21swapper/009:51:330
13164991610,0cyclictest0-21swapper/009:23:060
13165991515,0cyclictest4625-21seq09:16:361
13165991515,0cyclictest4231-21ssh10:00:241
13165991515,0cyclictest0-21swapper/111:54:011
13165991515,0cyclictest0-21swapper/111:12:061
13165991515,0cyclictest0-21swapper/108:03:291
13165991514,1cyclictest0-21swapper/112:28:061
13165991514,1cyclictest0-21swapper/110:43:221
13165991513,1cyclictest30752-21ssh09:52:091
13164991515,0cyclictest13346-21ssh11:22:530
13164991515,0cyclictest11545-21ssh12:32:330
13164991514,1cyclictest5405-21ssh09:18:130
13164991514,0cyclictest9185-21ssh12:26:560
13164991514,0cyclictest4458-21seq12:15:430
13164991514,0cyclictest0-21swapper/009:27:090
13164991510,5cyclictest0-21swapper/009:46:120
13164991510,5cyclictest0-21swapper/008:49:240
13164991510,0cyclictest0-21swapper/009:11:170
13165991414,0cyclictest0-21swapper/110:29:501
13165991414,0cyclictest0-21swapper/109:20:201
13165991414,0cyclictest0-21swapper/108:15:511
13165991413,0cyclictest24-21ksoftirqd/108:55:031
13165991412,2cyclictest5259-1kworker/u5:012:21:401
13165991412,1cyclictest798-21apache208:28:141
13165991412,1cyclictest28329-21sh11:56:451
13165991412,1cyclictest24-21ksoftirqd/108:10:131
13165991412,1cyclictest10606-21snmpd10:56:291
13165991411,2cyclictest93750irq/100-eth0-rx09:55:031
13165991411,2cyclictest93750irq/100-eth0-rx09:14:261
13165991411,2cyclictest93650irq/99-eth0-rx-12:12:011
13165991411,2cyclictest93650irq/99-eth0-rx-10:35:231
13165991411,2cyclictest93650irq/99-eth0-rx-10:18:311
13165991410,0cyclictest0-21swapper/111:02:011
13165991410,0cyclictest0-21swapper/110:12:051
13164991414,0cyclictest21150-21ssh10:30:060
13164991414,0cyclictest0-21swapper/010:38:390
13164991414,0cyclictest0-21swapper/008:02:500
13164991413,1cyclictest11142-21ssh11:17:530
13164991413,0cyclictest0-21swapper/009:56:040
13164991412,1cyclictest93650irq/99-eth0-rx-12:05:210
13164991412,1cyclictest93650irq/99-eth0-rx-10:01:030
13164991412,1cyclictest633-21nscd10:23:180
13164991412,1cyclictest27105-21diskmemload10:51:050
13164991412,1cyclictest23012-21apache208:05:130
13164991410,3cyclictest4543-21kworker/u4:212:20:490
13164991410,3cyclictest19167-21rm11:36:020
13164991410,3cyclictest0-21swapper/009:06:130
13164991410,1cyclictest22586-21kworker/u4:211:05:300
13164991410,1cyclictest10118-21kworker/u4:111:26:160
3224821310,2sleep00-21swapper/007:52:100
13165991313,0cyclictest0-21swapper/111:30:341
13165991313,0cyclictest0-21swapper/107:44:571
13165991312,1cyclictest22984-21apache212:15:311
13165991312,1cyclictest10606-21snmpd07:52:531
13165991312,1cyclictest0-21swapper/110:20:421
13165991311,1cyclictest23711-21fschecks_count08:55:141
13165991311,1cyclictest23012-21apache211:35:071
13165991311,1cyclictest23012-21apache210:48:441
13165991311,1cyclictest23012-21apache209:05:021
13165991311,1cyclictest1087-21runrttasks07:39:101
13165991310,3cyclictest0-21swapper/111:45:501
13165991310,3cyclictest0-21swapper/110:53:201
13165991310,3cyclictest0-21swapper/109:35:171
13165991310,3cyclictest0-21swapper/108:47:021
13165991310,3cyclictest0-21swapper/108:36:011
13165991310,3cyclictest0-21swapper/107:30:031
13165991310,3cyclictest0-21swapper/107:20:051
13165991310,3cyclictest0-21swapper/107:15:131
13165991310,2cyclictest23012-21apache211:25:261
13165991310,2cyclictest12255-21ssh11:20:111
13165991310,1cyclictest93750irq/100-eth0-rx09:32:041
13165991310,1cyclictest93650irq/99-eth0-rx-09:05:371
13165991310,1cyclictest30156-21kworker/u4:012:30:041
13165991310,1cyclictest22586-21kworker/u4:209:25:351
13165991310,1cyclictest0-21swapper/111:40:191
13165991310,0cyclictest0-21swapper/112:05:581
13165991310,0cyclictest0-21swapper/110:30:581
13165991310,0cyclictest0-21swapper/109:43:421
13165991310,0cyclictest0-21swapper/108:06:391
13164991313,0cyclictest0-21swapper/010:40:420
13164991313,0cyclictest0-21swapper/010:10:250
13164991313,0cyclictest0-21swapper/009:30:500
13164991312,1cyclictest24717-21latency_hist09:45:020
13164991312,1cyclictest22984-21apache211:56:020
13164991312,1cyclictest21801-21smartctl08:50:170
13164991311,1cyclictest81ktimersoftd/007:45:130
13164991311,1cyclictest6751-1kworker/u5:111:10:090
13164991311,1cyclictest28050-21kworker/0:207:55:110
13164991311,1cyclictest18883-21sh09:35:400
13164991310,3cyclictest0-21swapper/011:50:080
13164991310,3cyclictest0-21swapper/011:40:050
13164991310,3cyclictest0-21swapper/009:00:330
13164991310,3cyclictest0-21swapper/008:21:230
13164991310,3cyclictest0-21swapper/008:14:350
13164991310,3cyclictest0-21swapper/007:40:160
13164991310,3cyclictest0-21swapper/007:10:140
13164991310,3cyclictest0-21swapper/007:09:110
13164991310,2cyclictest93750irq/100-eth0-rx10:56:210
13164991310,2cyclictest0-21swapper/011:30:100
13164991310,2cyclictest0-21swapper/008:55:110
13164991310,1cyclictest93650irq/99-eth0-rx-11:00:310
13164991310,1cyclictest22788-1kworker/u5:211:46:550
13164991310,1cyclictest0-21swapper/012:10:560
13164991310,1cyclictest0-21swapper/010:16:460
13164991310,0cyclictest0-21swapper/008:42:340
13164991310,0cyclictest0-21swapper/007:35:410
992721210,0sleep10-21swapper/108:20:111
13165991210,1cyclictest447-21cstates07:55:111
13165991210,1cyclictest176022sleep108:40:051
13165991210,1cyclictest10606-21snmpd07:05:031
13165991210,1cyclictest0-21swapper/107:25:121
13165991210,1cyclictest0-21swapper/107:10:101
13164991210,1cyclictest13893-21cstates08:30:120
13164991210,1cyclictest0-21swapper/008:35:100
13164991210,1cyclictest0-21swapper/007:20:110
13164991210,1cyclictest0-21swapper/007:15:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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