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2023-06-09 - 10:40

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 highest latencies:
System rackcslot2.osadl.org (updated Fri Jun 09, 2023 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3272926856,8sleep10-21swapper/119:04:591
3276726756,7sleep00-21swapper/019:05:250
241002180,0sleep00-21swapper/020:07:330
713991616,0cyclictest0-21swapper/120:22:131
713991610,6cyclictest0-21swapper/121:32:541
713991610,6cyclictest0-21swapper/120:22:411
713991610,0cyclictest0-21swapper/120:52:521
712991611,5cyclictest30875-21kworker/0:020:55:040
713991515,0cyclictest25288-21taskset20:08:021
713991515,0cyclictest0-21swapper/119:56:201
713991515,0cyclictest0-21swapper/119:37:041
713991515,0cyclictest0-21swapper/100:22:451
713991514,1cyclictest0-21swapper/123:56:541
713991514,1cyclictest0-21swapper/121:26:331
713991510,0cyclictest0-21swapper/121:09:101
712991515,0cyclictest0-21swapper/019:49:300
712991514,1cyclictest3907-21smartctl23:22:410
712991514,1cyclictest16715-21apache_volume21:12:340
712991511,4cyclictest30875-21kworker/0:021:08:120
712991510,5cyclictest0-21swapper/023:47:030
712991510,5cyclictest0-21swapper/022:25:120
712991510,5cyclictest0-21swapper/020:18:340
712991510,0cyclictest0-21swapper/019:33:180
712991510,0cyclictest0-21swapper/000:23:480
713991410,3cyclictest0-21swapper/123:32:351
712991414,0cyclictest0-21swapper/023:38:420
712991414,0cyclictest0-21swapper/000:11:160
712991412,2cyclictest30875-21kworker/0:019:54:280
712991412,1cyclictest30174-21ntpq23:07:460
712991412,1cyclictest14913-21apache221:45:130
712991412,1cyclictest14913-21apache220:02:460
712991412,1cyclictest14895-21apache222:17:290
712991411,3cyclictest30875-21kworker/0:021:50:200
712991411,3cyclictest30875-21kworker/0:021:32:400
713991313,0cyclictest0-21swapper/120:57:191
713991313,0cyclictest0-21swapper/100:17:541
713991312,1cyclictest93750irq/100-eth0-rx23:13:591
713991312,1cyclictest93750irq/100-eth0-rx23:13:591
713991312,1cyclictest730-21snmpd22:43:101
713991312,1cyclictest2523-21sleep23:21:001
713991312,1cyclictest14913-21apache220:32:331
713991312,1cyclictest14913-21apache219:39:141
713991312,1cyclictest14895-21apache221:02:381
713991311,1cyclictest633-21nscd21:17:401
713991311,1cyclictest23728-21unixbench_singl00:12:471
713991311,1cyclictest14895-21apache221:42:361
713991311,1cyclictest14895-21apache221:12:391
713991311,1cyclictest14895-21apache219:08:251
713991311,1cyclictest14895-21apache200:07:281
713991310,3cyclictest0-21swapper/123:42:221
713991310,3cyclictest0-21swapper/123:24:551
713991310,3cyclictest0-21swapper/123:05:401
713991310,3cyclictest0-21swapper/122:53:421
713991310,3cyclictest0-21swapper/121:54:221
713991310,3cyclictest0-21swapper/121:39:471
713991310,3cyclictest0-21swapper/120:46:451
713991310,3cyclictest0-21swapper/120:38:521
713991310,3cyclictest0-21swapper/120:02:091
713991310,3cyclictest0-21swapper/119:23:151
713991310,3cyclictest0-21swapper/100:29:371
713991310,3cyclictest0-21swapper/100:07:001
713991310,2cyclictest93750irq/100-eth0-rx21:47:361
713991310,2cyclictest93750irq/100-eth0-rx19:47:331
713991310,2cyclictest93750irq/100-eth0-rx19:27:381
713991310,2cyclictest26118-21cut20:12:331
713991310,2cyclictest0-21swapper/122:37:331
713991310,0cyclictest0-21swapper/123:58:051
713991310,0cyclictest0-21swapper/122:33:531
712991312,1cyclictest798-21apache223:47:170
712991312,1cyclictest7759-21ntpq20:47:390
712991312,1cyclictest14913-21apache219:37:320
712991312,1cyclictest14913-21apache200:18:590
712991312,1cyclictest14895-21apache222:52:360
712991312,1cyclictest14895-21apache220:57:380
712991312,1cyclictest14895-21apache200:04:090
712991311,2cyclictest30875-21kworker/0:022:03:320
712991311,2cyclictest30875-21kworker/0:020:42:240
712991311,1cyclictest798-21apache222:42:250
712991311,1cyclictest730-21snmpd21:27:240
712991311,1cyclictest596-21lldpd00:12:270
712991311,1cyclictest14895-21apache223:12:440
712991311,1cyclictest14895-21apache223:12:440
712991311,1cyclictest14895-21apache221:22:280
712991311,1cyclictest14895-21apache220:28:050
712991311,1cyclictest14895-21apache219:19:560
712991310,3cyclictest0-21swapper/023:29:050
712991310,3cyclictest0-21swapper/023:01:370
712991310,3cyclictest0-21swapper/022:12:340
712991310,3cyclictest0-21swapper/020:22:350
712991310,3cyclictest0-21swapper/019:13:190
712991310,3cyclictest0-21swapper/000:32:460
712991310,2cyclictest0-21swapper/021:02:340
712991310,1cyclictest93750irq/100-eth0-rx21:57:370
712991310,1cyclictest93650irq/99-eth0-rx-23:17:320
712991310,0cyclictest0-21swapper/022:32:400
712991310,0cyclictest0-21swapper/022:09:310
712991310,0cyclictest0-21swapper/020:01:590
712991310,0cyclictest0-21swapper/019:24:150
712991310,0cyclictest0-21swapper/019:08:140
712991310,0cyclictest0-21swapper/000:01:470
416321310,2sleep00-21swapper/020:37:410
713991211,1cyclictest710-21cyclictest22:27:221
713991211,0cyclictest14895-21apache221:27:201
713991210,2cyclictest0-21swapper/123:07:171
713991210,2cyclictest0-21swapper/120:27:201
713991210,1cyclictest633-21nscd21:57:321
713991210,1cyclictest597-21avahi-daemon23:37:171
713991210,1cyclictest14913-21apache220:47:251
713991210,1cyclictest14895-21apache222:08:171
713991210,1cyclictest12054-21perl22:22:331
713991210,1cyclictest0-21swapper/123:47:341
713991210,1cyclictest0-21swapper/123:27:191
713991210,1cyclictest0-21swapper/122:57:331
713991210,1cyclictest0-21swapper/122:47:331
713991210,1cyclictest0-21swapper/122:17:291
713991210,1cyclictest0-21swapper/122:12:311
713991210,1cyclictest0-21swapper/122:02:331
713991210,1cyclictest0-21swapper/120:02:311
713991210,1cyclictest0-21swapper/119:42:331
713991210,1cyclictest0-21swapper/119:42:331
713991210,1cyclictest0-21swapper/119:17:341
713991210,1cyclictest0-21swapper/119:12:401
713991210,1cyclictest0-21swapper/100:32:331
712991211,1cyclictest730-21snmpd00:27:160
712991211,1cyclictest0-21swapper/022:27:200
712991210,2cyclictest0-21swapper/022:47:410
712991210,2cyclictest0-21swapper/020:32:150
712991210,1cyclictest19246-21kernelversion21:17:380
712991210,1cyclictest14913-21apache223:02:250
712991210,1cyclictest0-21swapper/022:37:360
712991210,1cyclictest0-21swapper/021:52:320
712991210,1cyclictest0-21swapper/021:37:360
712991210,1cyclictest0-21swapper/020:12:310
712991210,1cyclictest0-21swapper/019:42:330
712991210,1cyclictest0-21swapper/019:42:330
712991210,1cyclictest0-21swapper/019:27:310
712991210,0cyclictest93750irq/100-eth0-rx23:52:310
677721210,0sleep00-21swapper/023:32:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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