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2025-05-09 - 05:42
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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 376 highest latencies:
System rackcslot2.osadl.org (updated Fri May 09, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48772810,2sleep1807299cyclictest20:23:311
219502800,0sleep00-21swapper/022:32:300
770627135,31sleep10-21swapper/119:06:201
80502700,1sleep10-21swapper/123:38:321
762326957,8sleep00-21swapper/019:05:270
8071994010,29cyclictest0-21swapper/023:21:240
8072993510,22cyclictest27336-21kworker/u4:000:12:251
8072993030,0cyclictest0-21swapper/121:16:061
8071992918,4cyclictest7-21ksoftirqd/019:48:270
8071992910,1cyclictest0-21swapper/021:39:120
8071992910,18cyclictest0-21swapper/021:27:050
8072992824,2cyclictest0-21swapper/123:11:321
8072992810,1cyclictest0-21swapper/122:05:351
8071992816,2cyclictest0-21swapper/020:58:290
8071992725,1cyclictest81ktimersoftd/023:37:570
8071992719,6cyclictest81ktimersoftd/021:53:560
8072992621,3cyclictest20060-21apache222:53:041
8072992610,3cyclictest0-21swapper/123:15:301
8071992624,1cyclictest81ktimersoftd/023:51:560
8071992620,4cyclictest20060-21apache223:09:430
807199261,3cyclictest0-21swapper/000:11:340
8072992525,0cyclictest0-21swapper/100:02:411
8071992521,3cyclictest22919-21ssh23:15:100
8071992510,6cyclictest0-21swapper/022:49:480
807299242,1cyclictest0-21swapper/122:16:181
8071992418,5cyclictest20086-21apache223:41:340
8071992418,5cyclictest20060-21apache223:54:470
8071992418,4cyclictest16551-21latency_hist23:08:160
807299233,6cyclictest0-21swapper/122:01:551
8072992312,7cyclictest636-21nscd22:29:061
8072992311,11cyclictest0-21swapper/122:18:421
8072992310,1cyclictest0-21swapper/122:08:221
807299230,4cyclictest0-21swapper/123:19:421
807199237,9cyclictest0-21swapper/019:38:280
8071992317,3cyclictest0-21swapper/021:08:280
8071992311,6cyclictest0-21swapper/021:29:590
8071992310,7cyclictest0-21swapper/021:18:330
807299224,8cyclictest0-21swapper/121:03:291
807299224,4cyclictest0-21swapper/121:35:441
807299224,12cyclictest0-21swapper/121:18:341
8072992219,1cyclictest0-21swapper/121:00:581
8072992218,3cyclictest8069-21cyclictest22:57:581
8072992216,5cyclictest817-21apache222:37:301
8072992212,4cyclictest97850irq/107-eth1-rx23:33:281
807299220,4cyclictest0-21swapper/121:57:201
807199226,8cyclictest0-21swapper/021:13:300
807199225,11cyclictest0-21swapper/019:13:330
807199224,12cyclictest0-21swapper/022:18:280
8071992220,1cyclictest7015-21cat20:28:320
8071992211,7cyclictest0-21swapper/000:27:210
8071992210,6cyclictest0-21swapper/023:00:420
8071992210,0cyclictest0-21swapper/023:25:270
807199220,20cyclictest0-21swapper/023:44:490
2396522210,0sleep00-21swapper/022:33:450
807299217,7cyclictest0-21swapper/123:28:311
807299217,10cyclictest0-21swapper/120:43:291
807299216,10cyclictest0-21swapper/120:48:281
807299213,14cyclictest0-21swapper/123:27:251
8072992110,6cyclictest0-21swapper/122:23:321
8072992110,5cyclictest0-21swapper/120:03:371
8072992110,1cyclictest0-21swapper/121:48:371
807199211,20cyclictest0-21swapper/022:24:180
8071992110,7cyclictest0-21swapper/023:32:540
8071992110,5cyclictest0-21swapper/020:53:290
8071992110,5cyclictest0-21swapper/000:33:280
807199210,12cyclictest0-21swapper/020:43:300
807299203,9cyclictest0-21swapper/119:13:321
807299203,1cyclictest0-21swapper/122:45:201
8072992015,4cyclictest20060-21apache223:56:061
8072992011,5cyclictest0-21swapper/100:24:561
8072992010,4cyclictest0-21swapper/119:43:281
8072992010,4cyclictest0-21swapper/100:35:051
8072992010,0cyclictest0-21swapper/121:09:491
807199208,11cyclictest0-21swapper/021:48:370
8071992016,4cyclictest20060-21apache222:39:300
8071992010,5cyclictest0-21swapper/021:43:340
8071992010,5cyclictest0-21swapper/019:33:370
8071992010,4cyclictest0-21swapper/019:08:270
8071992010,3cyclictest0-21swapper/000:01:530
8071992010,0cyclictest0-21swapper/019:58:280
807199200,2cyclictest0-21swapper/022:12:540
757822010,1sleep00-21swapper/000:21:350
807299199,7cyclictest20086-21apache222:42:061
807299196,5cyclictest21659-21diskmemload23:43:371
8072991918,1cyclictest20060-21apache200:29:061
8072991916,2cyclictest20060-21apache219:21:431
8072991914,3cyclictest8854-21if_eth220:33:291
8072991912,2cyclictest0-21swapper/120:13:291
8072991912,0cyclictest98050irq/109-eth1-tx21:26:501
8072991910,7cyclictest0-21swapper/121:38:481
8072991910,5cyclictest0-21swapper/100:03:291
8072991910,4cyclictest0-21swapper/119:23:331
8072991910,4cyclictest0-21swapper/100:13:311
8072991910,3cyclictest0-21swapper/123:48:321
8072991910,2cyclictest0-21swapper/120:38:351
8072991910,2cyclictest0-21swapper/100:18:361
807199198,3cyclictest21659-21diskmemload21:58:340
807199194,8cyclictest0-21swapper/000:28:290
807199193,11cyclictest0-21swapper/020:23:280
8071991915,2cyclictest97850irq/107-eth1-rx22:53:180
8071991910,5cyclictest0-21swapper/020:03:320
8071991910,5cyclictest0-21swapper/019:18:290
8071991910,2cyclictest0-21swapper/020:13:270
8071991910,1cyclictest0-21swapper/022:13:300
807299183,10cyclictest21659-21diskmemload23:04:211
8072991810,5cyclictest97750irq/106-eth1-rx21:28:581
8072991810,5cyclictest0-21swapper/119:48:321
8072991810,4cyclictest9104-21python19:08:341
807199185,7cyclictest0-21swapper/020:08:370
8071991817,1cyclictest20086-21apache200:03:340
8071991811,2cyclictest22515-21/usr/sbin/munin19:43:350
8071991810,4cyclictest0-21swapper/022:44:230
8071991810,2cyclictest0-21swapper/000:13:180
1251221810,1sleep10-21swapper/123:02:511
8072991716,1cyclictest20086-21apache219:28:311
8072991710,3cyclictest20301-21munin-run21:48:161
8072991710,2cyclictest0-21swapper/119:58:271
807199172,11cyclictest0-21swapper/019:28:280
8071991712,4cyclictest20060-21apache221:34:000
8071991710,4cyclictest0-21swapper/020:18:250
1503021710,0sleep00-21swapper/019:23:380
8072991610,4cyclictest0-21swapper/120:20:101
8072991610,3cyclictest0-21swapper/120:54:211
8072991610,3cyclictest0-21swapper/120:32:071
8071991610,6cyclictest0-21swapper/022:03:510
8071991610,5cyclictest0-21swapper/021:04:410
807299153,5cyclictest31152-21apache_accesses20:08:281
8072991512,2cyclictest20060-21apache219:40:521
8072991510,3cyclictest0-21swapper/119:34:051
807299150,8cyclictest0-21swapper/119:53:271
807199153,8cyclictest0-21swapper/020:38:150
8071991510,3cyclictest0-21swapper/020:38:350
8071991410,3cyclictest0-21swapper/019:53:230
8071991310,1cyclictest0-21swapper/020:50:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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