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2024-04-27 - 13:54
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot3.osadl.org (updated Sat Apr 27, 2024 00:50:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2426729287,2sleep10-21swapper/119:05:181
2563528348,30sleep70-21swapper/719:09:577
2549128349,30sleep40-21swapper/419:07:534
2538528343,35sleep20-21swapper/219:06:242
2554728147,30sleep60-21swapper/619:08:446
2562927944,30sleep30-21swapper/319:09:533
2554127843,30sleep00-21swapper/019:08:380
2532927643,29sleep50-21swapper/519:05:385
276362490,0sleep70-21swapper/722:38:537
171822460,0sleep70-21swapper/721:55:147
50312450,0sleep70-21swapper/719:25:177
114602450,0sleep20-21swapper/200:02:462
326572440,0sleep20-21swapper/222:22:472
2861821710,3sleep30-21swapper/323:54:173
2861821710,3sleep30-21swapper/323:54:163
26074991715,1cyclictest10719-21sh22:47:136
99182160,0sleep10-21swapper/123:43:081
26069991615,1cyclictest8960-21ssh00:39:461
26069991615,1cyclictest829-21ssh23:37:471
26069991615,1cyclictest6652-21ssh22:07:531
26069991615,1cyclictest19600-21ssh23:48:561
26075991514,1cyclictest721ktimersoftd/723:56:357
26075991510,5cyclictest0-21swapper/700:04:587
26075991510,0cyclictest0-21swapper/723:10:527
26073991510,5cyclictest0-21swapper/521:54:115
26073991510,5cyclictest0-21swapper/500:31:395
26073991510,5cyclictest0-21swapper/500:10:025
26073991510,0cyclictest0-21swapper/522:30:015
26073991510,0cyclictest0-21swapper/521:22:535
26070991515,0cyclictest0-21swapper/200:14:082
26070991515,0cyclictest0-21swapper/200:05:152
26070991513,1cyclictest15081-21cron19:44:592
26070991510,0cyclictest0-21swapper/222:25:132
26069991514,1cyclictest9311-21ssh21:14:251
26069991514,1cyclictest5711-21grep19:25:241
26069991514,1cyclictest15834-21ssh21:55:011
26069991513,1cyclictest24903-21/usr/sbin/munin22:00:241
2606999150,1cyclictest0-21swapper/100:30:181
26068991515,0cyclictest0-21swapper/022:03:090
26068991510,5cyclictest0-21swapper/023:37:060
26068991510,5cyclictest0-21swapper/022:46:280
26068991510,0cyclictest0-21swapper/023:53:310
26068991510,0cyclictest0-21swapper/023:53:300
26068991510,0cyclictest0-21swapper/023:16:570
26068991510,0cyclictest0-21swapper/000:11:100
488621410,3sleep30-21swapper/321:10:513
2759221410,3sleep50-21swapper/520:58:365
2756921410,3sleep60-21swapper/621:42:416
26075991414,0cyclictest0-21swapper/721:38:417
26075991413,1cyclictest14804-21ssh22:12:267
26074991413,1cyclictest28015-21apt-config21:25:016
26074991413,1cyclictest25827-21ssh21:23:416
26074991412,1cyclictest9806-21missed_timers23:05:166
26074991412,1cyclictest13199-21cpuspeed_turbos20:35:136
26074991412,1cyclictest1289-21diskmemload22:04:366
26074991410,0cyclictest6235-21ssh21:11:546
26073991414,0cyclictest0-21swapper/523:22:245
26073991414,0cyclictest0-21swapper/521:59:555
26073991413,0cyclictest0-21swapper/522:08:365
26073991412,1cyclictest73550irq/125-eth019:50:065
26073991410,4cyclictest0-21swapper/521:47:315
26073991410,4cyclictest0-21swapper/521:25:545
26072991414,0cyclictest0-21swapper/422:43:034
26072991414,0cyclictest0-21swapper/422:33:284
26072991414,0cyclictest0-21swapper/421:18:544
26072991414,0cyclictest0-21swapper/400:39:294
26072991414,0cyclictest0-21swapper/400:11:294
26072991410,0cyclictest0-21swapper/400:32:234
26071991414,0cyclictest0-21swapper/321:25:223
26071991412,1cyclictest29068-21munin-node22:42:563
26070991414,0cyclictest0-21swapper/223:20:352
26070991414,0cyclictest0-21swapper/223:01:412
26070991414,0cyclictest0-21swapper/221:46:372
26070991414,0cyclictest0-21swapper/221:28:582
26070991412,1cyclictest8140-21kworker/2:122:55:442
26070991412,1cyclictest1289-21diskmemload22:45:412
26069991414,0cyclictest18580-21ssh23:29:551
26069991414,0cyclictest0-21swapper/121:31:161
26069991410,4cyclictest0-21swapper/123:53:231
26069991410,4cyclictest0-21swapper/123:53:231
26068991414,0cyclictest0-21swapper/023:45:470
26068991414,0cyclictest0-21swapper/022:31:140
26068991414,0cyclictest0-21swapper/022:26:260
26068991414,0cyclictest0-21swapper/021:35:280
26068991410,4cyclictest0-21swapper/021:15:140
26068991410,0cyclictest0-21swapper/022:14:450
26068991410,0cyclictest0-21swapper/021:24:180
26075991313,0cyclictest0-21swapper/722:03:317
26075991312,1cyclictest1867-21kworker/u16:221:27:597
26075991311,1cyclictest682-21nscd23:35:537
26075991311,1cyclictest682-21nscd22:25:497
26075991311,1cyclictest682-21nscd22:24:097
26075991311,1cyclictest682-21nscd21:32:457
26075991311,1cyclictest17771-21nscd23:15:277
26074991312,1cyclictest31803-21/usr/sbin/munin00:15:216
26074991312,1cyclictest31579-1kworker/u17:122:10:366
26074991312,1cyclictest19333-21ssh22:34:116
26074991312,1cyclictest1289-21diskmemload21:48:066
26074991312,1cyclictest1289-21diskmemload00:27:286
26074991312,1cyclictest1135-21kworker/u16:323:34:506
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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