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2024-02-23 - 06:03
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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 highest latencies:
System rackcslot2.osadl.org (updated Fri Feb 23, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1394927057,8sleep10-21swapper/119:00:301
1541026855,9sleep00-21swapper/019:02:180
258282650,0sleep125829-21sh21:44:001
326452640,0sleep10-21swapper/121:08:521
29552230,0sleep10-21swapper/121:11:341
15887991816,1cyclictest9879-21mailstats22:05:520
15887991816,1cyclictest32595-21ssh23:24:010
15888991716,1cyclictest5088-21ssh00:18:131
15888991716,0cyclictest10792-21ssh22:52:591
15887991715,1cyclictest19636-21expr22:20:450
15887991710,7cyclictest0-21swapper/021:16:200
15887991710,0cyclictest24133-21ssh23:56:460
15888991616,0cyclictest2953-21ssh23:27:001
15888991616,0cyclictest15345-21ssh23:00:181
15888991616,0cyclictest10248-21ssh23:37:181
15887991616,0cyclictest0-21swapper/023:45:510
15887991616,0cyclictest0-21swapper/023:01:370
15887991615,0cyclictest29958-21ssh21:50:040
15887991615,0cyclictest21803-21sh23:54:290
15887991610,0cyclictest0-21swapper/020:55:520
15888991515,0cyclictest0-21swapper/121:30:381
15888991515,0cyclictest0-21swapper/120:36:401
15888991514,1cyclictest8520-21ssh00:22:441
15888991512,3cyclictest30805-21ssh00:06:461
15888991511,3cyclictest93750irq/100-eth0-rx00:27:571
15888991510,5cyclictest0-21swapper/122:10:331
15888991510,5cyclictest0-21swapper/121:59:021
15888991510,0cyclictest0-21swapper/123:58:181
15888991510,0cyclictest0-21swapper/122:20:251
15888991510,0cyclictest0-21swapper/120:54:531
15888991510,0cyclictest0-21swapper/119:43:031
15888991510,0cyclictest0-21swapper/119:24:301
15887991515,0cyclictest0-21swapper/021:29:360
15887991514,0cyclictest28183-21sh22:31:170
15887991514,0cyclictest23310-21cut22:25:450
15887991514,0cyclictest19358-21grep20:35:560
15887991512,2cyclictest6425-21apache200:17:010
15887991510,5cyclictest0-21swapper/021:30:260
15887991510,5cyclictest0-21swapper/020:01:140
15887991510,5cyclictest0-21swapper/019:37:400
15887991510,5cyclictest0-21swapper/019:20:580
15887991510,4cyclictest0-21swapper/021:52:340
15887991510,0cyclictest0-21swapper/023:05:490
15887991510,0cyclictest0-21swapper/022:13:320
2353021410,3sleep10-21swapper/120:47:281
15888991414,0cyclictest0-21swapper/119:36:421
15888991412,2cyclictest6405-21apache221:46:581
15888991412,1cyclictest6425-21apache222:32:341
15888991411,2cyclictest93650irq/99-eth0-rx-21:50:351
15888991411,2cyclictest6405-21apache223:50:391
15888991411,2cyclictest10823-21ssh22:07:271
15888991411,2cyclictest10394-21ssh21:21:421
15888991410,4cyclictest0-21swapper/119:06:221
15888991410,3cyclictest93650irq/99-eth0-rx-23:41:031
15888991410,3cyclictest0-21swapper/123:16:011
15888991410,3cyclictest0-21swapper/121:26:091
15888991410,1cyclictest29514-21kworker/u4:223:23:541
15888991410,1cyclictest1510-21kworker/u4:000:30:291
15888991410,0cyclictest0-21swapper/123:13:011
15888991410,0cyclictest0-21swapper/119:19:381
15887991414,0cyclictest0-21swapper/023:31:530
15887991414,0cyclictest0-21swapper/023:00:090
15887991414,0cyclictest0-21swapper/021:36:230
15887991414,0cyclictest0-21swapper/019:17:480
15887991414,0cyclictest0-21swapper/000:10:380
15887991413,1cyclictest7787-21ssh00:21:010
15887991412,2cyclictest6405-21apache200:29:400
15887991412,1cyclictest6425-21apache223:36:270
15887991412,1cyclictest6405-21apache200:06:030
15887991410,3cyclictest24949-21kworker/u4:122:49:550
15887991410,3cyclictest0-21swapper/021:11:060
1722121310,2sleep10-21swapper/123:01:251
15888991313,0cyclictest6322-21ssh22:46:091
15888991313,0cyclictest20576-21if_err_eth020:40:491
15888991312,1cyclictest3979-21munin-node19:10:441
15888991312,1cyclictest29162-21awk21:01:001
15888991311,1cyclictest6425-21apache222:25:431
15888991311,1cyclictest6405-21apache223:05:271
15888991311,1cyclictest6405-21apache222:15:251
15888991310,3cyclictest0-21swapper/123:30:551
15888991310,3cyclictest0-21swapper/122:00:471
15888991310,3cyclictest0-21swapper/121:19:011
15888991310,3cyclictest0-21swapper/120:19:121
15888991310,3cyclictest0-21swapper/119:51:521
15888991310,3cyclictest0-21swapper/119:29:061
15888991310,3cyclictest0-21swapper/100:10:411
15888991310,2cyclictest93750irq/100-eth0-rx00:00:241
15888991310,2cyclictest93650irq/99-eth0-rx-23:46:141
15888991310,2cyclictest0-21swapper/119:30:441
15888991310,1cyclictest3897-21ssh22:43:541
15888991310,1cyclictest0-21swapper/122:35:391
15888991310,1cyclictest0-21swapper/120:00:471
15888991310,0cyclictest0-21swapper/121:35:571
15888991310,0cyclictest0-21swapper/120:26:571
15887991312,1cyclictest93750irq/100-eth0-rx20:25:490
15887991312,1cyclictest798-21apache222:40:450
15887991312,1cyclictest6425-21apache219:44:270
15887991312,1cyclictest6405-21apache221:01:240
15887991312,1cyclictest22838-21/usr/sbin/munin23:10:500
15887991312,0cyclictest0-21swapper/023:40:480
15887991311,2cyclictest6405-21apache222:02:200
15887991311,2cyclictest0-21swapper/022:36:570
15887991311,1cyclictest93750irq/100-eth0-rx23:15:450
15887991311,1cyclictest81ktimersoftd/022:50:420
15887991311,1cyclictest7-21ksoftirqd/019:45:550
15887991311,1cyclictest6906-21/usr/sbin/munin20:05:450
15887991311,1cyclictest6425-21apache220:10:460
15887991311,1cyclictest6405-21apache219:30:430
15887991310,3cyclictest0-21swapper/021:21:390
15887991310,3cyclictest0-21swapper/021:05:420
15887991310,3cyclictest0-21swapper/020:53:220
15887991310,3cyclictest0-21swapper/019:26:390
15887991310,2cyclictest93650irq/99-eth0-rx-20:30:490
15887991310,2cyclictest93650irq/99-eth0-rx-19:55:470
15887991310,2cyclictest6405-21apache200:30:250
15887991310,2cyclictest0-21swapper/021:55:400
15887991310,2cyclictest0-21swapper/021:42:140
15887991310,1cyclictest93750irq/100-eth0-rx23:25:530
15887991310,1cyclictest93750irq/100-eth0-rx20:45:480
15887991310,1cyclictest93750irq/100-eth0-rx19:50:470
15887991310,1cyclictest0-21swapper/000:00:530
15887991310,0cyclictest0-21swapper/022:17:320
15887991310,0cyclictest0-21swapper/020:41:110
15888991212,0cyclictest596-21lldpd19:45:491
15888991211,1cyclictest730-21snmpd20:55:281
15888991211,1cyclictest6425-21apache220:20:311
15888991211,1cyclictest16300-21/usr/sbin/munin20:30:451
15888991211,1cyclictest15885-21cyclictest20:10:351
15888991210,1cyclictest0-21swapper/120:05:471
15888991210,1cyclictest0-21swapper/119:55:471
15887991211,1cyclictest6425-21apache220:15:350
15887991211,1cyclictest6405-21apache220:20:430
15887991210,1cyclictest15885-21cyclictest19:05:250
15887991210,1cyclictest0-21swapper/019:10:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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