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2023-09-26 - 14:38
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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 all highest latencies:
System rackcslot2.osadl.org (updated Tue Sep 26, 2023 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79926854,9sleep00-21swapper/019:04:500
65426552,9sleep10-21swapper/119:03:311
315242620,0sleep00-21swapper/000:15:320
149232190,0sleep00-21swapper/021:06:560
182682180,1sleep018266-21seq22:33:440
1158991716,1cyclictest21671-21ssh22:37:411
1158991715,1cyclictest84562sleep119:24:061
1157991716,1cyclictest7385-21ssh22:20:290
1157991716,1cyclictest4670-21ssh21:35:500
1157991716,1cyclictest4670-21ssh21:35:500
1157991715,1cyclictest23722-21ls23:21:570
1157991715,1cyclictest22152-21ntpq00:01:520
1158991615,1cyclictest1969-21ssh00:18:381
1158991615,1cyclictest11566-21ntpq19:31:521
1158991615,0cyclictest7134-21ssh00:26:141
1158991610,6cyclictest0-21swapper/122:02:261
1158991515,0cyclictest0-21swapper/123:53:411
1158991515,0cyclictest0-21swapper/119:46:331
1158991515,0cyclictest0-21swapper/100:13:141
1158991514,1cyclictest29625-21ssh21:26:421
1158991514,1cyclictest10980-21ssh22:25:001
1158991514,1cyclictest0-21swapper/123:27:481
1158991513,1cyclictest633-21nscd23:42:291
1158991513,1cyclictest19507-21ssh21:12:201
1158991510,0cyclictest0-21swapper/123:02:541
1157991515,0cyclictest0-21swapper/023:53:100
1157991514,1cyclictest300-21tail22:51:540
1157991514,1cyclictest27139-21ssh00:08:410
1157991514,1cyclictest0-21swapper/019:23:020
1157991512,2cyclictest31298-21apache221:40:150
1157991511,4cyclictest9261-21kworker/0:022:27:470
1157991511,4cyclictest9261-21kworker/0:022:02:350
1157991511,4cyclictest3495-21kworker/0:019:28:350
1157991511,4cyclictest21831-21kworker/0:221:20:270
1157991511,4cyclictest21831-21kworker/0:221:12:270
1157991511,4cyclictest21831-21kworker/0:220:58:510
1157991511,4cyclictest21831-21kworker/0:220:36:350
1157991511,4cyclictest21831-21kworker/0:200:21:310
1157991511,3cyclictest9261-21kworker/0:022:38:270
1157991511,3cyclictest21831-21kworker/0:221:02:230
1157991510,4cyclictest9261-21kworker/0:023:07:590
1157991510,4cyclictest9261-21kworker/0:021:48:510
1157991510,1cyclictest0-21swapper/022:49:350
1157991510,0cyclictest0-21swapper/020:13:090
1158991414,0cyclictest27700-21ssh00:10:051
1158991414,0cyclictest0-21swapper/123:12:121
1158991414,0cyclictest0-21swapper/122:50:531
1158991414,0cyclictest0-21swapper/120:07:401
1158991413,1cyclictest3007-21ssh21:32:341
1158991413,1cyclictest3007-21ssh21:32:341
1158991412,2cyclictest31298-21apache222:19:141
1158991412,2cyclictest31298-21apache200:31:311
1158991412,1cyclictest633-21nscd00:28:431
1158991412,1cyclictest597-21avahi-daemon21:16:551
1158991412,1cyclictest5262-21sh22:58:421
1158991412,1cyclictest3665-21ssh22:15:351
1158991412,1cyclictest2089-21/usr/sbin/munin23:36:501
1158991412,1cyclictest0-21swapper/121:54:361
1158991410,1cyclictest3720-21kworker/u4:222:08:001
1158991410,0cyclictest0-21swapper/121:40:241
1158991410,0cyclictest0-21swapper/121:21:371
1157991414,0cyclictest0-21swapper/019:43:150
1157991413,1cyclictest27314-21ssh21:22:060
1157991412,1cyclictest633-21nscd23:00:580
1157991412,1cyclictest5761-21sh23:41:330
1157991412,1cyclictest31647-21awk20:26:570
1157991412,1cyclictest31298-21apache222:21:340
1157991412,1cyclictest2927-21sh22:14:090
1157991411,3cyclictest9261-21kworker/0:023:12:510
1157991411,3cyclictest9261-21kworker/0:022:43:030
1157991411,3cyclictest9261-21kworker/0:022:07:510
1157991411,3cyclictest3495-21kworker/0:019:31:410
1157991411,3cyclictest21831-21kworker/0:223:56:310
1157991411,2cyclictest3597-21kworker/0:219:09:170
1157991411,2cyclictest21831-21kworker/0:200:33:230
1157991410,4cyclictest9261-21kworker/0:023:17:310
1157991410,4cyclictest21831-21kworker/0:223:51:270
1157991410,4cyclictest21831-21kworker/0:223:38:070
1157991410,4cyclictest21831-21kworker/0:221:29:270
1157991410,4cyclictest21831-21kworker/0:220:53:530
1157991410,4cyclictest0-21swapper/020:33:050
1157991410,3cyclictest24301-21kworker/u4:023:31:530
1157991410,3cyclictest21831-21kworker/0:220:47:490
1157991410,3cyclictest0-21swapper/021:42:410
1158991313,0cyclictest4474-21seq19:12:431
1158991313,0cyclictest24-21ksoftirqd/119:46:291
1158991312,1cyclictest8871-21/usr/sbin/munin19:26:521
1158991312,1cyclictest11758-21ssh21:44:371
1158991311,1cyclictest9846-21/usr/sbin/munin23:46:571
1158991311,1cyclictest21039-21/usr/sbin/munin21:56:561
1158991311,1cyclictest19369-21fschecks_count19:56:511
1158991311,1cyclictest18789-21diskmemload23:16:451
1158991310,3cyclictest0-21swapper/123:23:241
1158991310,3cyclictest0-21swapper/122:32:031
1158991310,3cyclictest0-21swapper/120:51:571
1158991310,3cyclictest0-21swapper/120:33:571
1158991310,2cyclictest13837-21kworker/u4:223:56:431
1158991310,2cyclictest0-21swapper/123:07:151
1158991310,2cyclictest0-21swapper/120:26:291
1158991310,1cyclictest24301-21kworker/u4:022:42:211
1158991310,1cyclictest24301-21kworker/u4:022:29:121
1158991310,1cyclictest0-21swapper/121:46:331
1158991310,1cyclictest0-21swapper/121:07:471
1158991310,0cyclictest0-21swapper/123:31:331
1158991310,0cyclictest0-21swapper/122:52:331
1158991310,0cyclictest0-21swapper/119:07:471
1158991310,0cyclictest0-21swapper/100:01:371
1157991313,0cyclictest0-21swapper/023:28:190
1157991312,1cyclictest93650irq/99-eth0-rx-20:19:420
1157991312,1cyclictest31298-21apache223:03:200
1157991312,1cyclictest31282-21apache219:56:500
1157991312,1cyclictest31282-21apache219:18:350
1157991312,0cyclictest21831-21kworker/0:200:26:550
1157991311,1cyclictest31298-21apache200:16:310
1157991311,1cyclictest21009-21sh21:56:450
1157991310,3cyclictest3495-21kworker/0:019:15:010
1157991310,3cyclictest21831-21kworker/0:220:42:590
1157991310,3cyclictest0-21swapper/021:51:310
1157991310,3cyclictest0-21swapper/019:52:200
1157991310,3cyclictest0-21swapper/019:47:010
1157991310,3cyclictest0-21swapper/019:41:160
1158991212,0cyclictest0-21swapper/120:01:361
1158991210,2cyclictest0-21swapper/121:01:361
1158991210,2cyclictest0-21swapper/120:46:491
1158991210,1cyclictest730-21snmpd20:56:451
1158991210,1cyclictest730-21snmpd20:41:431
1158991210,1cyclictest730-21snmpd20:21:381
1158991210,1cyclictest730-21snmpd19:51:341
1158991210,1cyclictest26836-21cpu20:16:471
1158991210,1cyclictest12722-21/usr/sbin/munin19:36:531
1158991210,1cyclictest0-21swapper/120:36:461
1158991210,1cyclictest0-21swapper/119:16:481
1158991210,0cyclictest0-21swapper/120:11:371
1157991210,2cyclictest0-21swapper/020:01:520
1157991210,1cyclictest31282-21apache220:21:470
1157991210,1cyclictest0-21swapper/020:06:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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