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2024-07-27 - 04:12
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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 50 highest latencies:
System rackcslot2.osadl.org (updated Sat Jul 27, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1378427853,21sleep10-21swapper/119:00:061
36192740,0sleep10-21swapper/100:07:501
1382827058,8sleep00-21swapper/019:00:330
129572220,1sleep00-21swapper/000:19:350
82482210,1sleep081ktimersoftd/023:29:250
14361991917,1cyclictest16218-21ls23:39:281
1540921810,7sleep10-21swapper/120:29:371
14361991716,1cyclictest25208-21ssh23:09:061
14361991715,1cyclictest29681-21sh22:30:291
14361991715,1cyclictest25978-21ssh23:52:491
14361991715,1cyclictest210032sleep120:44:301
14361991711,1cyclictest91rcu_preempt21:48:121
14360991715,1cyclictest299192sleep021:05:260
14360991715,1cyclictest109072sleep000:17:330
14361991615,1cyclictest19853-21perl00:29:271
14361991614,1cyclictest24-21ksoftirqd/122:49:151
14361991610,1cyclictest0-21swapper/122:16:411
14360991615,1cyclictest9084-21awk20:14:260
14360991615,1cyclictest11495-21ssh22:06:470
14360991615,1cyclictest0-21swapper/000:05:500
14361991515,0cyclictest2375-21ssh22:38:291
14361991515,0cyclictest15441-21ssh22:54:361
14361991515,0cyclictest0-21swapper/119:30:081
14361991514,1cyclictest29565-21ssh21:04:451
14361991514,1cyclictest22359-21ssh22:21:031
14361991514,0cyclictest4924-21rm22:41:091
14361991513,1cyclictest22252-21rm23:48:031
14361991511,4cyclictest0-21swapper/122:10:011
14361991510,5cyclictest0-21swapper/121:37:171
14361991510,5cyclictest0-21swapper/121:12:121
14361991510,5cyclictest0-21swapper/100:02:561
14360991515,0cyclictest17690-21ssh00:25:500
14360991512,2cyclictest9255-21apache221:43:330
14360991510,5cyclictest0-21swapper/020:32:010
14360991510,4cyclictest0-21swapper/019:09:320
14360991510,0cyclictest0-21swapper/020:23:290
14360991510,0cyclictest0-21swapper/020:02:370
14361991414,0cyclictest426-21sed19:49:401
14361991414,0cyclictest12872-21sh22:51:431
14361991414,0cyclictest0-21swapper/121:20:131
14361991413,1cyclictest30903-21ls19:44:371
14361991413,1cyclictest20694-21ssh23:02:441
14361991412,2cyclictest9284-21apache221:29:571
14361991412,1cyclictest9255-21apache223:54:531
14361991412,1cyclictest27319-21ssh23:10:361
14361991412,1cyclictest26018-21idleruntime-cro20:59:141
14361991412,1cyclictest24-21ksoftirqd/121:59:141
14361991412,1cyclictest18097-21taskset00:26:421
14361991412,1cyclictest10606-21snmpd19:55:351
14361991410,4cyclictest0-21swapper/121:53:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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