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2024-04-20 - 11:27
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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 Sat Apr 20, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
602327149,17sleep00-21swapper/019:02:370
596827047,18sleep10-21swapper/119:02:011
42712380,0sleep00-21swapper/021:27:220
202732240,0sleep00-21swapper/021:05:090
6433991716,1cyclictest6861-21ssh22:17:021
6433991716,1cyclictest6861-21ssh22:17:021
6433991716,1cyclictest25505-21ssh21:10:441
6433991615,0cyclictest7758-21mailstats20:30:191
6433991615,0cyclictest1411-21ls22:55:201
6433991614,1cyclictest89892sleep123:54:491
6433991610,6cyclictest0-21swapper/122:33:351
6433991610,6cyclictest0-21swapper/119:40:211
6433991610,1cyclictest0-21swapper/119:07:511
6432991616,0cyclictest14118-21ssh22:27:590
6432991616,0cyclictest0-21swapper/023:20:030
6432991615,0cyclictest7310-21rm22:18:040
6432991615,0cyclictest7310-21rm22:18:040
6432991614,1cyclictest232522sleep019:46:250
6432991614,1cyclictest156122sleep019:26:380
32152160,0sleep10-21swapper/122:11:541
6433991515,0cyclictest0-21swapper/123:49:451
6433991514,1cyclictest8037-21ssh21:32:481
6433991514,1cyclictest20243-21ssh23:23:231
6433991513,1cyclictest12860-21ls22:25:201
6433991511,4cyclictest0-21swapper/100:05:491
6433991510,5cyclictest0-21swapper/123:13:091
6433991510,5cyclictest0-21swapper/122:22:211
6433991510,5cyclictest0-21swapper/121:08:011
6433991510,5cyclictest0-21swapper/120:59:291
6433991510,5cyclictest0-21swapper/120:05:041
6433991510,4cyclictest0-21swapper/120:45:231
6433991510,1cyclictest0-21swapper/123:42:131
6433991510,0cyclictest0-21swapper/123:32:411
6433991510,0cyclictest0-21swapper/122:50:471
6432991515,0cyclictest7089-21ssh21:30:410
6432991515,0cyclictest28457-21ssh22:01:220
6432991515,0cyclictest11581-21ssh21:37:390
6432991510,4cyclictest0-21swapper/022:38:540
6432991510,0cyclictest0-21swapper/022:11:530
6433991414,0cyclictest27688-21ssh00:21:451
6433991414,0cyclictest0-21swapper/121:55:091
6433991414,0cyclictest0-21swapper/121:37:171
6433991414,0cyclictest0-21swapper/120:22:561
6433991414,0cyclictest0-21swapper/120:10:041
6433991412,1cyclictest633-21nscd21:50:201
6433991412,1cyclictest13487-21grep19:20:231
6433991412,1cyclictest10606-21snmpd20:00:451
6433991411,3cyclictest0-21swapper/123:16:051
6433991410,4cyclictest0-21swapper/123:06:091
6433991410,4cyclictest0-21swapper/121:17:091
6433991410,4cyclictest0-21swapper/120:35:291
6433991410,4cyclictest0-21swapper/119:10:051
6433991410,4cyclictest0-21swapper/100:27:071
6433991410,4cyclictest0-21swapper/100:18:371
6433991410,3cyclictest20489-21kworker/u4:100:12:031
6433991410,3cyclictest0-21swapper/121:26:091
6433991410,3cyclictest0-21swapper/119:45:011
6433991410,1cyclictest0-21swapper/120:16:431
6433991410,0cyclictest0-21swapper/123:57:011
6433991410,0cyclictest0-21swapper/122:45:131
643299143,5cyclictest4670-21munin-run20:25:000
6432991414,0cyclictest7-21ksoftirqd/023:10:210
6432991414,0cyclictest27631-21ssh22:46:540
6432991413,1cyclictest5642-21ssh23:01:390
6432991413,0cyclictest17451-21unixbench_singl21:45:180
6432991412,1cyclictest798-21apache221:20:390
6432991412,1cyclictest7-21ksoftirqd/020:30:200
6432991412,0cyclictest20084-21diskmemload00:09:440
6432991411,2cyclictest93650irq/99-eth0-rx-22:40:580
6432991411,2cyclictest7637-21apache200:31:010
6432991410,4cyclictest0-21swapper/021:41:190
6432991410,3cyclictest12167-21kworker/u4:223:08:420
6432991410,3cyclictest0-21swapper/000:10:580
6432991410,1cyclictest8207-21kworker/u4:123:57:290
6432991410,1cyclictest12167-21kworker/u4:222:58:470
6432991410,0cyclictest0-21swapper/021:15:230
6432991410,0cyclictest0-21swapper/021:10:390
2947921410,3sleep10-21swapper/123:35:451
6433991312,1cyclictest7640-21apache219:18:431
6433991312,1cyclictest7637-21apache221:45:031
6433991312,0cyclictest12167-21kworker/u4:222:00:121
6433991311,2cyclictest0-21swapper/122:35:251
6433991311,1cyclictest93650irq/99-eth0-rx-23:00:041
6433991311,1cyclictest798-21apache223:25:021
6433991311,1cyclictest7640-21apache219:50:241
6433991311,1cyclictest7640-21apache219:25:381
6433991311,1cyclictest13535-21needreboot00:00:181
6433991311,1cyclictest13535-21needreboot00:00:181
6433991311,0cyclictest0-21swapper/122:44:341
6433991310,3cyclictest0-21swapper/120:27:411
6433991310,3cyclictest0-21swapper/119:55:161
6433991310,3cyclictest0-21swapper/100:30:191
6433991310,1cyclictest93750irq/100-eth0-rx22:05:131
6433991310,1cyclictest20241-21kworker/u4:021:41:341
6433991310,1cyclictest0-21swapper/119:35:241
6433991310,0cyclictest0-21swapper/121:20:091
6432991313,0cyclictest0-21swapper/020:11:270
6432991313,0cyclictest0-21swapper/019:39:220
6432991313,0cyclictest0-21swapper/019:30:450
6432991312,1cyclictest2884-21rm23:45:130
6432991312,1cyclictest20084-21diskmemload23:25:300
6432991312,0cyclictest21455-21rm21:51:230
6432991311,1cyclictest93750irq/100-eth0-rx00:15:370
6432991311,1cyclictest81ktimersoftd/022:50:110
6432991311,1cyclictest81ktimersoftd/022:30:180
6432991311,1cyclictest7640-21apache219:15:170
6432991311,1cyclictest7637-21apache220:55:090
6432991311,1cyclictest7637-21apache219:56:280
6432991311,1cyclictest7637-21apache200:20:140
6432991311,1cyclictest26012-21sh23:30:580
6432991311,1cyclictest10606-21snmpd20:15:030
6432991310,3cyclictest28614-21kworker/u4:023:41:270
6432991310,3cyclictest0-21swapper/022:06:250
6432991310,3cyclictest0-21swapper/020:48:220
6432991310,3cyclictest0-21swapper/020:43:450
6432991310,3cyclictest0-21swapper/000:25:010
6432991310,2cyclictest93650irq/99-eth0-rx-00:00:070
6432991310,2cyclictest93650irq/99-eth0-rx-00:00:070
6432991310,1cyclictest9905-21ssh22:20:450
6432991310,1cyclictest93750irq/100-eth0-rx23:36:540
6432991310,1cyclictest93650irq/99-eth0-rx-20:00:200
6432991310,1cyclictest7326-21ssh23:50:480
6432991310,1cyclictest0-21swapper/023:16:240
6432991310,1cyclictest0-21swapper/021:56:290
6432991310,1cyclictest0-21swapper/020:50:550
6432991310,0cyclictest0-21swapper/019:50:280
6433991210,2cyclictest0-21swapper/121:00:121
6433991210,2cyclictest0-21swapper/120:50:031
6433991210,1cyclictest0-21swapper/120:40:141
6433991210,1cyclictest0-21swapper/119:30:111
6432991211,0cyclictest4942-21cat20:25:110
6432991210,1cyclictest7637-21apache219:40:190
6432991210,1cyclictest18944-21/usr/sbin/munin21:00:190
6432991210,1cyclictest0-21swapper/020:05:000
6432991210,1cyclictest0-21swapper/019:20:100
6432991210,1cyclictest0-21swapper/019:10:230
6432991210,1cyclictest0-21swapper/019:05:120
6432991210,0cyclictest0-21swapper/020:35:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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