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2024-04-18 - 08:06
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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 Thu Apr 18, 2024 00:50:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
969729864,29sleep60-21swapper/619:09:086
968428454,6sleep30-21swapper/319:08:563
964128034,6sleep50-21swapper/519:08:195
966127862,10sleep70-21swapper/719:08:367
952427844,29sleep10-21swapper/119:06:391
973127743,30sleep20-21swapper/219:09:362
974727541,30sleep00-21swapper/019:09:490
959327542,29sleep40-21swapper/419:07:374
139482670,0sleep50-21swapper/521:00:195
192652490,0sleep40-21swapper/419:20:264
158842470,0sleep20-21swapper/200:12:392
34822460,0sleep40-21swapper/423:10:134
173872440,0sleep30-21swapper/300:13:533
273482430,0sleep50-21swapper/522:28:275
168972410,0sleep20-21swapper/221:45:152
268682210,0sleep30-21swapper/322:46:013
227522180,0sleep10-21swapper/123:20:351
237292170,0sleep5561ktimersoftd/521:49:515
10189991716,1cyclictest241ktimersoftd/122:46:201
10189991716,1cyclictest241ktimersoftd/122:31:321
10189991716,1cyclictest241ktimersoftd/122:15:231
10189991716,1cyclictest241ktimersoftd/100:32:481
10189991716,1cyclictest241ktimersoftd/100:01:561
10189991715,1cyclictest241ktimersoftd/123:10:201
10189991715,1cyclictest241ktimersoftd/123:00:231
10189991715,1cyclictest241ktimersoftd/122:37:041
10189991715,1cyclictest241ktimersoftd/119:50:121
10189991715,1cyclictest241ktimersoftd/119:50:121
10189991715,1cyclictest241ktimersoftd/100:40:001
10189991710,5cyclictest25-21ksoftirqd/123:50:011
301162160,0sleep40-21swapper/421:35:014
1523021610,5sleep60-21swapper/623:54:196
10193991615,1cyclictest24763-21ssh23:59:595
10191991615,1cyclictest32628-21ssh23:26:243
10191991614,1cyclictest14025-21ssh22:57:433
10189991615,1cyclictest241ktimersoftd/123:57:161
10189991615,1cyclictest241ktimersoftd/121:47:241
10189991615,1cyclictest241ktimersoftd/121:28:281
10189991615,1cyclictest241ktimersoftd/100:20:111
10189991615,0cyclictest14551-21chrt21:01:111
10189991614,1cyclictest26091-21seq22:27:241
10189991614,1cyclictest241ktimersoftd/123:43:361
10189991614,1cyclictest241ktimersoftd/122:40:121
10189991614,1cyclictest18323-21sh21:10:061
10189991613,1cyclictest25-21ksoftirqd/121:40:001
10189991610,6cyclictest0-21swapper/122:54:441
10194991510,0cyclictest0-21swapper/600:12:106
10193991510,5cyclictest0-21swapper/521:31:135
10193991510,0cyclictest0-21swapper/522:57:535
10193991510,0cyclictest0-21swapper/500:31:085
10192991510,5cyclictest0-21swapper/421:57:294
10191991514,1cyclictest5026-21ssh23:48:093
10190991510,5cyclictest0-21swapper/222:18:152
10190991510,0cyclictest0-21swapper/222:59:092
10189991514,1cyclictest241ktimersoftd/123:40:001
10189991514,1cyclictest241ktimersoftd/123:05:431
10189991514,1cyclictest241ktimersoftd/122:06:401
10189991514,1cyclictest241ktimersoftd/121:55:271
10189991514,1cyclictest241ktimersoftd/121:51:401
10189991514,1cyclictest241ktimersoftd/100:18:551
10189991514,1cyclictest241ktimersoftd/100:10:191
10189991513,1cyclictest4723-21sh00:05:421
10189991513,1cyclictest241ktimersoftd/120:45:151
10189991511,1cyclictest25-21ksoftirqd/122:20:141
10189991511,1cyclictest121rcu_preempt23:55:001
10189991511,1cyclictest121rcu_preempt23:30:181
10189991510,3cyclictest25-21ksoftirqd/122:15:001
10189991510,2cyclictest121rcu_preempt20:45:001
10189991510,1cyclictest121rcu_preempt21:15:101
885421410,3sleep30-21swapper/321:59:513
263721410,3sleep30-21swapper/322:50:353
1291121410,3sleep70-21swapper/723:52:297
10195991414,0cyclictest0-21swapper/700:38:507
10195991413,1cyclictest17716-21/usr/sbin/munin20:15:247
10195991410,4cyclictest0-21swapper/723:17:107
10195991410,4cyclictest0-21swapper/723:17:107
10195991410,4cyclictest0-21swapper/721:17:497
10194991414,0cyclictest0-21swapper/623:42:246
10194991414,0cyclictest0-21swapper/622:15:006
10194991414,0cyclictest0-21swapper/622:10:256
10194991414,0cyclictest0-21swapper/600:04:146
10194991412,1cyclictest23751-21sh00:16:576
10194991410,4cyclictest0-21swapper/622:33:356
10194991410,0cyclictest0-21swapper/620:40:126
10193991414,0cyclictest0-21swapper/500:20:535
10193991414,0cyclictest0-21swapper/500:15:155
10193991413,1cyclictest3961-21ssh22:51:385
10193991412,1cyclictest682-21nscd23:24:425
10193991410,0cyclictest0-21swapper/523:28:345
10193991410,0cyclictest0-21swapper/521:51:365
10192991414,0cyclictest0-21swapper/400:34:554
10192991413,1cyclictest20490-21rm23:56:304
10192991412,1cyclictest682-21nscd22:34:364
10191991412,1cyclictest682-21nscd23:57:473
10191991410,0cyclictest0-21swapper/323:44:183
10190991414,0cyclictest0-21swapper/222:37:392
10190991414,0cyclictest0-21swapper/222:33:102
10190991414,0cyclictest0-21swapper/222:03:302
10190991414,0cyclictest0-21swapper/222:03:302
10190991414,0cyclictest0-21swapper/221:57:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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