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2024-11-21 - 16:08
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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 100 highest latencies:
System rackcslot2.osadl.org (updated Thu Nov 21, 2024 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1016927661,7sleep00-21swapper/007:07:440
1026027254,8sleep10-21swapper/107:08:421
10514993733,3cyclictest17228-21hddtemp_smartct08:49:401
10514993731,5cyclictest17436-21apache_accesses11:39:381
10514993632,3cyclictest26051-21ssh09:50:231
10514993632,3cyclictest10075-21ssh10:10:031
10514993632,2cyclictest636-21nscd12:10:591
10514993532,2cyclictest27883-21ssh11:51:441
10514993532,2cyclictest24449-21diskmemload11:33:041
10514993532,2cyclictest24449-21diskmemload09:27:471
10514993532,2cyclictest21852-21ntp_states10:24:431
10514993532,2cyclictest18757-21ssh09:41:511
10514993531,3cyclictest0-21swapper/109:55:041
10514993432,1cyclictest11124-21apache_volume08:34:391
10514993431,2cyclictest3913-21if_eth008:14:441
10514993431,2cyclictest19003-21df_inode08:54:381
10514993431,2cyclictest14599-21sed10:54:471
10514993331,2cyclictest24449-21diskmemload12:18:431
10514993331,2cyclictest15773-21ssh10:17:401
10514993331,1cyclictest9418-21diskstats08:29:391
10514993331,1cyclictest29733-21df11:54:381
10514993331,1cyclictest26441-21df07:49:381
10514993331,1cyclictest1188-21apache_processe11:59:381
10514993330,2cyclictest24449-21diskmemload10:53:161
10514993330,2cyclictest24449-21diskmemload10:04:351
10514993330,2cyclictest18694-21ssh10:20:211
10514993330,2cyclictest16772-21ssh11:38:381
10514993329,3cyclictest28961-21ssh09:14:271
10514993329,3cyclictest2348-21timerandwakeup11:19:471
10514993230,2cyclictest0-21swapper/109:39:231
10514993230,1cyclictest0-21swapper/112:07:021
10514993229,2cyclictest4499-21ssh09:23:471
10514993229,2cyclictest22416-21smart_sda11:04:471
10514993229,2cyclictest17515-21sed07:24:471
10514993229,2cyclictest12685-21fschecks_count07:14:381
10514993229,2cyclictest0-21swapper/111:44:481
10514993229,2cyclictest0-21swapper/110:44:471
10514993229,2cyclictest0-21swapper/109:59:401
10514993229,2cyclictest0-21swapper/109:30:161
10514993228,3cyclictest8595-21seq08:24:591
10514993227,4cyclictest27854-21ssh12:31:391
10514993226,5cyclictest31235-21ssh12:35:131
10514993223,8cyclictest0-21swapper/107:29:431
10514993222,9cyclictest23276-21ssh09:47:491
10514993131,0cyclictest0-21swapper/108:48:191
10514993129,2cyclictest11708-21ls07:09:461
10514993129,2cyclictest0-21swapper/111:14:171
10514993128,2cyclictest24449-21diskmemload12:19:361
10514993128,2cyclictest0-21swapper/112:26:371
10514993127,3cyclictest28143-21apache_accesses07:54:361
10514993127,3cyclictest1625-21if_eth110:39:421
10514993122,8cyclictest18249-21ntp_states10:59:441
10514993117,13cyclictest0-21swapper/110:34:421
10513993115,2cyclictest7862-21kworker/u4:212:19:000
10514993027,2cyclictest7071-21ssh11:25:541
10514993027,2cyclictest0-21swapper/107:39:451
10514993023,6cyclictest0-21swapper/107:59:571
10514993013,16cyclictest0-21swapper/107:44:371
10513993010,13cyclictest0-21swapper/011:17:060
10514992927,2cyclictest0-21swapper/110:32:541
10514992927,2cyclictest0-21swapper/109:09:141
10514992926,2cyclictest30117-21ls11:14:431
10514992922,6cyclictest0-21swapper/108:04:431
10514992912,16cyclictest0-21swapper/108:39:391
10513992929,0cyclictest0-21swapper/011:37:420
10514992827,1cyclictest0-21swapper/109:09:361
10514992827,1cyclictest0-21swapper/107:37:011
10514992825,2cyclictest1884-21hddtemp_smartct08:09:411
10514992824,4cyclictest0-21swapper/108:19:561
10514992814,13cyclictest0-21swapper/109:00:071
10513992720,4cyclictest9232-21ssh12:09:280
1051399271,24cyclictest0-21swapper/009:22:210
1051399260,1cyclictest27146-21ssh11:50:230
1051399252,1cyclictest0-21swapper/009:37:470
10513992517,6cyclictest20377-21apache209:29:400
10514992423,1cyclictest15562-21ls07:19:471
1051399243,19cyclictest0-21swapper/007:09:460
10513992424,0cyclictest0-21swapper/008:29:390
10513992418,4cyclictest20403-21apache210:55:240
10513992417,5cyclictest0-21swapper/012:27:210
1051399241,5cyclictest26665-21ssh10:30:060
10513992410,8cyclictest0-21swapper/011:25:140
1051399240,1cyclictest0-21swapper/009:14:530
1051399235,8cyclictest24449-21diskmemload11:54:460
10513992322,0cyclictest0-21swapper/008:13:070
1051399231,21cyclictest7100-21ssh12:05:540
10513992311,8cyclictest20403-21apache210:06:370
10513992310,4cyclictest0-21swapper/011:39:390
1051399230,22cyclictest0-21swapper/009:56:520
10513992220,2cyclictest0-21swapper/008:02:170
10513992212,3cyclictest25906-21fw_packets12:29:440
1051399220,2cyclictest0-21swapper/012:24:100
10513992113,5cyclictest20403-21apache212:01:430
10513992110,6cyclictest0-21swapper/011:01:560
10513992110,0cyclictest0-21swapper/010:34:440
1051399205,10cyclictest0-21swapper/007:24:430
1051399204,7cyclictest0-21swapper/011:44:480
1051399202,6cyclictest81ktimersoftd/010:44:260
10513992014,4cyclictest81ktimersoftd/010:02:580
10513992013,4cyclictest22246-21pmu-power11:04:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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