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2023-03-21 - 18:39

x86 Intel Celeron G3900 @2800 MHz, Linux 4.16.15-rt7 (Profile)

Latency plot of system in rack #c, slot #2
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h200 -q
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 Mar 21, 2023 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79862520,0sleep00-21swapper/011:10:540
24539992510,7cyclictest31610-21ls09:38:090
24539992410,7cyclictest0-21swapper/007:28:020
24539992311,7cyclictest730-21snmpd09:37:090
24539992310,8cyclictest27234-21ssh10:53:430
24539992310,6cyclictest596-21lldpd09:31:220
24539992211,9cyclictest730-21snmpd12:26:490
24539992211,8cyclictest730-21snmpd11:42:570
24539992210,9cyclictest6203-21ssh11:49:010
24539992210,9cyclictest18649-21ssh09:23:010
24539992210,9cyclictest0-21swapper/012:21:150
24539992210,7cyclictest730-21snmpd12:02:330
24539992210,7cyclictest730-21snmpd12:02:330
24539992210,7cyclictest730-21snmpd10:46:550
24539992210,7cyclictest3767-21ssh10:24:110
24539992210,7cyclictest26763-21ssh11:34:080
24539992210,7cyclictest10017-21ssh09:52:280
24539992210,5cyclictest0-21swapper/011:03:170
24539992111,7cyclictest730-21snmpd09:10:210
24539992111,7cyclictest730-21snmpd07:39:520
24539992110,9cyclictest27682-21ssh12:17:280
24539992110,9cyclictest12203-21ssh10:35:140
24539992110,8cyclictest730-21snmpd09:16:150
24539992110,8cyclictest0-21swapper/010:08:480
24539992110,6cyclictest596-21lldpd12:29:270
24539992110,6cyclictest596-21lldpd10:50:180
24539992110,6cyclictest4099-21ssh09:44:010
24539992110,6cyclictest21248-21ssh10:06:070
24539992110,6cyclictest13572-21ssh10:37:470
24539992110,6cyclictest11845-21ssh09:53:190
24539992110,5cyclictest596-21lldpd11:24:100
24539992110,5cyclictest28985-21ssh11:38:010
24539992110,5cyclictest16435-21ssh09:18:530
24539992110,5cyclictest0-21swapper/011:16:040
24539992110,10cyclictest19045-21ssh12:06:060
24539992012,7cyclictest730-21snmpd10:18:280
24539992011,4cyclictest730-21snmpd12:36:470
24539992010,7cyclictest730-21snmpd08:54:460
24539992010,7cyclictest730-21snmpd07:23:010
24539992010,7cyclictest596-21lldpd12:11:360
24539992010,7cyclictest596-21lldpd08:09:570
24539992010,6cyclictest31759-21ssh10:59:480
24539992010,6cyclictest0-21swapper/008:13:190
24539992010,5cyclictest596-21lldpd11:29:410
24539992010,4cyclictest596-21lldpd11:18:570
24539992010,4cyclictest0-21swapper/011:55:290
24539992010,4cyclictest0-21swapper/010:29:130
24539992010,4cyclictest0-21swapper/007:13:000
24539991912,6cyclictest730-21snmpd08:39:280
24539991911,7cyclictest730-21snmpd08:58:010
24539991911,7cyclictest730-21snmpd07:20:190
24539991911,7cyclictest730-21snmpd07:08:010
24539991911,6cyclictest91rcu_preempt08:46:180
24539991911,4cyclictest730-21snmpd07:48:440
24539991910,8cyclictest730-21snmpd09:03:060
24539991910,8cyclictest25203-21apache_volume08:33:030
24539991910,7cyclictest596-21lldpd10:13:010
24539991910,7cyclictest596-21lldpd07:57:500
24539991910,7cyclictest0-21swapper/008:48:220
24539991910,5cyclictest16027-21ssh09:58:490
24539991910,5cyclictest0-21swapper/007:32:470
24539991910,4cyclictest596-21lldpd07:43:060
24539991910,4cyclictest0-21swapper/007:53:140
24539991910,3cyclictest0-21swapper/008:18:030
24539991910,3cyclictest0-21swapper/008:02:470
24539991811,6cyclictest730-21snmpd08:24:140
24539991810,4cyclictest596-21lldpd08:28:380
24540991716,1cyclictest4975-21ssh11:07:371
24540991715,1cyclictest7666-21ssh11:52:071
24540991710,7cyclictest0-21swapper/107:35:021
24540991615,1cyclictest5096-21ssh12:29:011
24540991615,1cyclictest14917-21ssh12:00:471
24540991615,1cyclictest14917-21ssh12:00:471
24540991615,0cyclictest3869-21ssh09:43:331
24540991614,1cyclictest16769-21ssh10:41:291
2273621610,5sleep1730-21snmpd08:24:041
24540991515,0cyclictest0-21swapper/109:50:251
24540991515,0cyclictest0-21swapper/107:09:581
24540991513,1cyclictest596-21lldpd12:19:071
24540991414,0cyclictest12387-21ssh09:14:011
24540991413,0cyclictest21447-21ssh09:26:171
24540991412,1cyclictest730-21snmpd11:25:541
24540991412,1cyclictest730-21snmpd10:34:311
24540991412,1cyclictest633-21nscd11:11:321
24540991412,1cyclictest416-21/usr/sbin/munin08:53:031
24540991412,1cyclictest13137-21kworker/u4:010:22:281
24540991412,1cyclictest1087-21runrttasks09:57:591
24540991411,2cyclictest93750irq/100-eth0-rx10:29:231
24540991411,2cyclictest2042-21apache212:22:591
24540991410,3cyclictest538-21ls07:28:041
24540991410,3cyclictest0-21swapper/110:53:071
24540991410,3cyclictest0-21swapper/110:23:331
24540991410,3cyclictest0-21swapper/108:48:251
24540991410,3cyclictest0-21swapper/108:28:561
24540991311,1cyclictest93750irq/100-eth0-rx12:02:521
24540991311,1cyclictest93750irq/100-eth0-rx08:04:421
24540991311,1cyclictest730-21snmpd12:34:131
24540991311,1cyclictest730-21snmpd12:12:591
24540991311,1cyclictest730-21snmpd12:08:001
24540991311,1cyclictest730-21snmpd11:52:501
24540991311,1cyclictest730-21snmpd11:37:511
24540991311,1cyclictest730-21snmpd11:32:501
24540991311,1cyclictest730-21snmpd11:17:471
24540991311,1cyclictest730-21snmpd11:12:451
24540991311,1cyclictest730-21snmpd10:47:481
24540991311,1cyclictest730-21snmpd10:42:471
24540991311,1cyclictest730-21snmpd09:17:461
24540991311,1cyclictest730-21snmpd09:09:001
24540991311,1cyclictest730-21snmpd09:02:521
24540991311,1cyclictest730-21snmpd08:37:471
24540991311,1cyclictest730-21snmpd08:18:061
24540991311,1cyclictest730-21snmpd08:07:461
24540991311,1cyclictest730-21snmpd07:57:541
24540991311,1cyclictest730-21snmpd07:47:461
24540991311,1cyclictest730-21snmpd07:17:491
24540991311,1cyclictest730-21snmpd07:12:461
24540991311,1cyclictest22424-21ssh09:27:521
24540991310,2cyclictest730-21snmpd08:59:221
24540991310,2cyclictest730-21snmpd08:32:551
24540991310,2cyclictest730-21snmpd07:37:501
24540991310,2cyclictest596-21lldpd10:12:471
24540991310,2cyclictest0-21swapper/110:07:481
24540991310,2cyclictest0-21swapper/109:52:551
24540991310,2cyclictest0-21swapper/109:37:501
24540991310,2cyclictest0-21swapper/109:32:511
24540991310,2cyclictest0-21swapper/108:12:531
24540991310,2cyclictest0-21swapper/107:52:501
24540991310,2cyclictest0-21swapper/107:42:561
24540991310,2cyclictest0-21swapper/107:22:591
24540991310,1cyclictest0-21swapper/111:42:541
24540991310,1cyclictest0-21swapper/110:57:541
24540991310,1cyclictest0-21swapper/110:03:341
24540991310,1cyclictest0-21swapper/108:43:061
24540991210,1cyclictest730-21snmpd11:27:451
22609260,3sleep022614-21apache_processe07:02:570
22607241,1sleep10-21swapper/107:02:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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