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2023-03-31 - 03:07

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 the 100, highest latencies:
System rackcslot2.osadl.org (updated Fri Mar 31, 2023 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109112630,1sleep0596-21lldpd23:06:550
183182550,0sleep10-21swapper/123:15:481
253452220,1sleep125344-21ssh23:24:541
6748991816,1cyclictest1041-21ssh23:35:181
127912180,1sleep0596-21lldpd21:41:460
6748991716,1cyclictest16886-21ssh21:47:201
6748991710,7cyclictest0-21swapper/100:28:561
289722170,1sleep1596-21lldpd21:20:271
6748991615,0cyclictest3515-21ssh00:22:471
6748991610,0cyclictest0-21swapper/119:27:571
6747991615,1cyclictest9340-21ssh00:29:200
6747991615,0cyclictest9070-21ssh21:37:040
6747991614,1cyclictest27109-21ssh00:10:140
6747991614,1cyclictest11424-21ssh22:22:100
6747991613,2cyclictest15397-21ssh21:44:200
6747991610,6cyclictest0-21swapper/021:48:230
2423621610,5sleep0730-21snmpd19:54:320
1191821610,5sleep1730-21snmpd21:39:481
6748991512,2cyclictest0-21swapper/121:04:421
6747991515,0cyclictest25237-21ssh21:16:040
6747991514,1cyclictest30691-21ssh00:15:120
6747991514,0cyclictest16316-21ssh22:29:130
6747991513,1cyclictest15217-21ntpq19:28:010
6747991510,4cyclictest6077-21kworker/u4:222:59:370
3276621510,4sleep10-21swapper/121:25:511
2195321510,4sleep10-21swapper/122:37:301
6748991413,1cyclictest10347-21ssh22:19:411
6748991412,2cyclictest93750irq/100-eth0-rx22:15:091
6748991412,1cyclictest93750irq/100-eth0-rx20:18:461
6748991412,1cyclictest231ktimersoftd/120:48:031
6748991412,1cyclictest21602-21ssh00:02:511
6748991412,1cyclictest1269-21apache223:30:241
6748991412,1cyclictest0-21swapper/123:10:561
6748991412,1cyclictest0-21swapper/121:55:281
6748991412,1cyclictest0-21swapper/120:43:051
6748991412,1cyclictest0-21swapper/120:38:251
6748991412,0cyclictest0-21swapper/122:57:211
6748991411,2cyclictest730-21snmpd21:50:151
6747991414,0cyclictest27868-21ssh22:46:410
6747991414,0cyclictest10040-21ssh23:47:440
6747991412,1cyclictest2926-21munin-node20:17:420
6747991412,1cyclictest1459-21ssh23:36:010
6747991412,1cyclictest1257-21apache223:28:250
6747991412,1cyclictest1257-21apache221:59:070
6747991412,1cyclictest1257-21apache221:25:420
6747991412,1cyclictest1257-21apache200:21:310
6747991411,2cyclictest0-21swapper/019:25:200
6747991410,3cyclictest0-21swapper/000:03:100
1383021412,1sleep119176-21diskmemload23:52:421
6748991311,1cyclictest93750irq/100-eth0-rx21:57:491
6748991311,1cyclictest730-21snmpd23:02:441
6748991311,1cyclictest730-21snmpd22:47:421
6748991311,1cyclictest730-21snmpd22:30:401
6748991311,1cyclictest730-21snmpd22:07:441
6748991311,1cyclictest730-21snmpd22:02:441
6748991311,1cyclictest730-21snmpd21:27:441
6748991311,1cyclictest730-21snmpd20:57:421
6748991311,1cyclictest730-21snmpd20:52:481
6748991311,1cyclictest730-21snmpd20:33:061
6748991311,1cyclictest730-21snmpd20:12:471
6748991311,1cyclictest730-21snmpd20:07:441
6748991311,1cyclictest730-21snmpd20:07:441
6748991311,1cyclictest730-21snmpd19:52:451
6748991311,1cyclictest730-21snmpd19:47:421
6748991311,1cyclictest730-21snmpd19:32:501
6748991311,1cyclictest730-21snmpd19:22:541
6748991311,1cyclictest730-21snmpd19:17:531
6748991311,1cyclictest730-21snmpd00:32:421
6748991311,1cyclictest730-21snmpd00:17:541
6748991311,1cyclictest730-21snmpd00:11:131
6748991311,1cyclictest6745-21cyclictest20:02:541
6748991311,1cyclictest1269-21apache221:08:521
6748991311,1cyclictest1257-21apache223:43:051
6748991311,1cyclictest1257-21apache223:17:511
6748991311,1cyclictest1257-21apache222:23:061
6748991311,1cyclictest0-21swapper/123:47:501
6748991311,1cyclictest0-21swapper/121:12:521
6748991311,1cyclictest0-21swapper/119:46:371
6748991311,0cyclictest0-21swapper/122:37:531
6748991310,2cyclictest730-21snmpd22:44:301
6748991310,2cyclictest730-21snmpd20:22:431
6748991310,2cyclictest730-21snmpd19:38:021
6748991310,2cyclictest730-21snmpd19:12:431
6748991310,2cyclictest0-21swapper/122:59:221
6748991310,1cyclictest596-21lldpd19:10:041
6748991310,1cyclictest0-21swapper/123:40:221
6748991310,1cyclictest0-21swapper/121:32:511
6748991310,1cyclictest0-21swapper/120:27:431
6748991310,1cyclictest0-21swapper/120:01:511
6748991310,1cyclictest0-21swapper/100:13:261
6748991310,0cyclictest19120-21ls23:58:081
6747991313,0cyclictest2604-21ssh22:55:160
6747991312,1cyclictest6745-21cyclictest23:23:050
6747991312,1cyclictest6745-21cyclictest21:53:040
6747991312,1cyclictest0-21swapper/023:40:280
6747991311,1cyclictest93750irq/100-eth0-rx23:44:520
6747991311,1cyclictest93750irq/100-eth0-rx21:02:510
6747991311,1cyclictest730-21snmpd23:57:440
6747991311,1cyclictest730-21snmpd22:47:440
6747991311,1cyclictest730-21snmpd22:37:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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