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2025-04-29 - 13:36
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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 Tue Apr 29, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3101526955,9sleep10-21swapper/119:07:121
3112126553,8sleep00-21swapper/019:08:180
179572640,0sleep10-21swapper/122:48:351
106672470,2sleep13130599cyclictest19:38:341
31305993710,23cyclictest18469-21kworker/u4:121:52:391
31304993716,20cyclictest0-21swapper/021:29:520
31305993610,2cyclictest0-21swapper/121:56:131
31304993433,0cyclictest7-21ksoftirqd/000:38:200
31305993210,2cyclictest0-21swapper/122:14:411
31305992910,16cyclictest0-21swapper/100:17:301
31304992914,14cyclictest0-21swapper/019:16:460
3130599280,24cyclictest25150-21latency_hist22:13:201
31304992826,1cyclictest30875-21/usr/sbin/munin23:08:360
31304992826,1cyclictest0-21swapper/019:48:580
31304992810,14cyclictest0-21swapper/021:47:320
31304992725,0cyclictest0-21swapper/000:31:210
31305992616,7cyclictest0-21swapper/123:18:021
31305992610,11cyclictest0-21swapper/100:01:061
3130499264,21cyclictest29222-21/usr/sbin/munin22:18:370
31305992523,1cyclictest636-21nscd22:26:191
3130599251,6cyclictest11604-21diskstats21:08:291
31304992524,1cyclictest7-21ksoftirqd/019:43:340
31304992516,6cyclictest0-21swapper/023:29:560
3130599242,21cyclictest0-21swapper/123:01:411
31305992410,9cyclictest0-21swapper/121:58:371
31305992410,10cyclictest0-21swapper/123:43:331
31304992418,4cyclictest81ktimersoftd/019:18:460
31304992410,14cyclictest0-21swapper/021:27:570
31304992410,10cyclictest0-21swapper/022:44:400
3266822310,0sleep10-21swapper/121:36:571
3130599234,12cyclictest0-21swapper/121:18:431
31305992310,9cyclictest0-21swapper/100:18:321
31305992310,6cyclictest0-21swapper/100:33:361
31305992310,5cyclictest0-21swapper/123:53:391
31305992310,0cyclictest0-21swapper/121:32:171
3130499235,9cyclictest0-21swapper/023:38:320
3130499233,19cyclictest0-21swapper/021:08:240
31304992317,5cyclictest17982-21sleep20:03:160
3130499231,5cyclictest0-21swapper/020:48:430
3130499231,1cyclictest0-21swapper/000:07:070
31304992310,7cyclictest0-21swapper/022:07:560
31304992310,5cyclictest0-21swapper/023:49:120
3130499230,1cyclictest0-21swapper/021:57:000
3130499225,15cyclictest13470-21kworker/0:221:05:310
31304992220,1cyclictest9525-21munin-node19:57:360
31304992216,5cyclictest22530-21apache223:22:150
31304992213,4cyclictest0-21swapper/022:29:480
31304992210,7cyclictest0-21swapper/021:39:370
267322210,1sleep00-21swapper/020:41:190
407322110,0sleep00-21swapper/023:14:300
3130599213,11cyclictest0-21swapper/120:43:361
3130599212,18cyclictest0-21swapper/123:31:041
31305992119,1cyclictest17811-21ssh23:34:031
3130599211,6cyclictest0-21swapper/121:46:591
31305992113,4cyclictest0-21swapper/123:22:071
3130499215,8cyclictest0-21swapper/020:23:430
31304992119,1cyclictest0-21swapper/021:18:430
3130599207,10cyclictest0-21swapper/119:28:361
31305992018,1cyclictest22530-21apache220:43:151
31305992014,1cyclictest0-21swapper/119:23:321
31305992011,6cyclictest0-21swapper/100:03:291
3130599201,13cyclictest0-21swapper/120:03:371
31305992010,6cyclictest0-21swapper/119:33:321
31305992010,5cyclictest0-21swapper/120:08:481
31305992010,5cyclictest0-21swapper/119:13:391
31305992010,4cyclictest0-21swapper/122:53:311
31305992010,4cyclictest0-21swapper/120:53:351
3130499208,12cyclictest0-21swapper/000:23:140
3130499206,6cyclictest8075-21/usr/sbin/munin00:08:290
3130499205,7cyclictest1576-21apache_accesses23:58:320
3130499205,12cyclictest13470-21kworker/0:220:31:270
3130499203,9cyclictest0-21swapper/021:33:320
3130499202,16cyclictest0-21swapper/022:51:260
31304992020,0cyclictest0-21swapper/019:33:210
31304992014,2cyclictest0-21swapper/021:48:340
31304992011,5cyclictest0-21swapper/022:08:280
31304992011,4cyclictest0-21swapper/020:58:330
31304992010,5cyclictest0-21swapper/022:36:100
31304992010,5cyclictest0-21swapper/000:18:050
31304992010,4cyclictest0-21swapper/023:34:370
3130499200,3cyclictest0-21swapper/022:02:250
3130599195,8cyclictest0-21swapper/120:23:381
3130599194,11cyclictest0-21swapper/120:33:401
3130599192,16cyclictest0-21swapper/122:43:361
31305991918,0cyclictest22560-21apache223:03:321
31305991918,0cyclictest0-21swapper/122:34:251
31305991917,1cyclictest0-21swapper/122:38:381
31305991915,3cyclictest22530-21apache221:17:371
31305991914,3cyclictest31302-21cyclictest20:28:381
31305991913,3cyclictest22560-21apache219:12:111
31305991912,3cyclictest19401-21sh22:04:361
31305991911,5cyclictest21859-21ssh00:28:281
31305991910,5cyclictest0-21swapper/122:18:561
31305991910,5cyclictest0-21swapper/100:08:501
31305991910,1cyclictest0-21swapper/123:10:411
3130599190,9cyclictest0-21swapper/119:58:441
3130499194,7cyclictest0-21swapper/022:58:430
3130499193,7cyclictest0-21swapper/020:33:390
3130499193,15cyclictest0-21swapper/023:55:340
31304991919,0cyclictest0-21swapper/021:16:550
31304991917,2cyclictest0-21swapper/022:28:170
31304991916,2cyclictest81ktimersoftd/022:41:380
31304991914,3cyclictest81ktimersoftd/023:23:370
31304991910,7cyclictest0-21swapper/000:26:300
31304991910,3cyclictest0-21swapper/019:23:320
3130499190,7cyclictest8367-21idleruntime-cro19:33:200
3130499190,16cyclictest0-21swapper/022:57:000
447721810,0sleep00-21swapper/020:45:120
436521810,0sleep10-21swapper/121:42:321
31305991810,2cyclictest0-21swapper/119:43:341
3130599180,5cyclictest0-21swapper/123:49:381
3130599180,12cyclictest0-21swapper/119:53:401
3130499185,6cyclictest0-21swapper/020:13:350
31304991810,3cyclictest0-21swapper/020:53:380
31305991710,5cyclictest0-21swapper/100:25:391
31305991710,4cyclictest5580-21ls20:48:391
31305991710,1cyclictest0-21swapper/123:38:391
31305991710,1cyclictest0-21swapper/121:23:351
3130599170,0cyclictest0-21swapper/122:31:241
3130499177,6cyclictest20658-21ls20:03:370
3130499174,8cyclictest0-21swapper/022:14:500
3130499172,13cyclictest0-21swapper/019:08:360
31304991713,2cyclictest31302-21cyclictest23:04:220
3130599165,8cyclictest0-21swapper/121:07:471
31305991614,1cyclictest9830-21sort20:58:411
31305991611,1cyclictest0-21swapper/123:24:221
31305991610,3cyclictest0-21swapper/120:18:381
31305991610,2cyclictest0-21swapper/119:18:361
31304991610,3cyclictest0-21swapper/020:18:360
3130599159,3cyclictest0-21swapper/120:13:351
3130599153,6cyclictest0-21swapper/119:48:371
31304991510,5cyclictest0-21swapper/019:41:080
31304991510,1cyclictest0-21swapper/023:45:540
31304991412,1cyclictest22530-21apache220:08:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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