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2025-07-12 - 08:24
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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 792 highest latencies:
System rackcslot2.osadl.org (updated Sat Jul 12, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2958826847,17sleep10-21swapper/119:07:051
2929426754,8sleep00-21swapper/019:04:010
252142670,1sleep024405-21/usr/sbin/munin20:18:060
29832993636,0cyclictest0-21swapper/022:26:090
29832993210,21cyclictest0-21swapper/019:23:040
2983399300,0cyclictest0-21swapper/122:48:231
29832993010,14cyclictest0-21swapper/021:42:500
2983399290,22cyclictest5149-21/usr/sbin/munin19:28:021
29832992910,14cyclictest0-21swapper/022:33:230
29832992910,0cyclictest0-21swapper/022:06:070
50382270,1sleep10-21swapper/119:27:461
2983399271,6cyclictest0-21swapper/123:17:571
2983399271,25cyclictest22058-21kworker/1:123:15:171
29833992710,12cyclictest0-21swapper/123:57:561
29832992718,7cyclictest13474-21apache221:11:470
29832992710,9cyclictest0-21swapper/020:58:040
29832992710,4cyclictest0-21swapper/020:03:070
29832992710,0cyclictest0-21swapper/000:24:410
29832992626,0cyclictest0-21swapper/000:29:490
29832992617,7cyclictest13462-21apache223:26:090
2983299260,0cyclictest0-21swapper/023:14:300
29833992525,0cyclictest0-21swapper/121:17:571
29833992524,1cyclictest0-21swapper/123:02:391
29833992521,4cyclictest13462-21apache223:38:511
29833992521,3cyclictest13474-21apache200:27:431
29833992518,5cyclictest13462-21apache222:07:401
29833992510,6cyclictest32530-21ssh00:32:131
29833992510,10cyclictest0-21swapper/122:41:281
29832992525,0cyclictest0-21swapper/020:27:500
29832992519,5cyclictest817-21apache223:00:590
29832992519,4cyclictest13474-21apache222:50:480
29832992510,4cyclictest0-21swapper/023:05:590
29832992510,1cyclictest0-21swapper/023:51:390
29832992510,0cyclictest0-21swapper/022:20:330
2983299250,22cyclictest26388-21/usr/sbin/munin21:28:000
2983299250,0cyclictest0-21swapper/022:10:270
29833992422,1cyclictest0-21swapper/121:45:591
29833992416,4cyclictest29830-21cyclictest23:36:071
29833992410,5cyclictest0-21swapper/123:04:471
29833992410,3cyclictest0-21swapper/121:16:031
2983399240,2cyclictest0-21swapper/121:27:241
2532322410,0sleep00-21swapper/000:22:240
2983399232,20cyclictest0-21swapper/100:33:071
29833992310,8cyclictest0-21swapper/121:12:151
2983399230,4cyclictest0-21swapper/122:31:211
2983399230,2cyclictest0-21swapper/122:15:551
29832992310,12cyclictest0-21swapper/023:18:010
2983399224,4cyclictest0-21swapper/119:17:581
29833992216,4cyclictest13474-21apache222:01:011
29833992214,5cyclictest13474-21apache222:22:211
29833992212,6cyclictest0-21swapper/100:02:571
2983399220,20cyclictest0-21swapper/100:11:361
2983299226,12cyclictest0-21swapper/021:48:020
2983299222,19cyclictest0-21swapper/022:41:450
2983299222,14cyclictest0-21swapper/019:18:020
29832992219,2cyclictest13462-21apache223:39:460
29832992216,3cyclictest11024-21diskmemload23:09:390
2983299221,2cyclictest0-21swapper/022:53:010
29832992210,3cyclictest0-21swapper/000:11:520
29832992210,10cyclictest0-21swapper/000:02:580
2983299220,19cyclictest0-21swapper/020:08:350
2983299220,0cyclictest11024-21diskmemload23:57:420
2983399214,9cyclictest0-21swapper/122:56:081
2983399211,8cyclictest0-21swapper/121:39:221
29833992118,2cyclictest0-21swapper/122:25:141
29833992117,3cyclictest817-21apache220:40:261
29833992110,5cyclictest0-21swapper/121:34:181
29833992110,5cyclictest0-21swapper/120:52:461
29833992110,3cyclictest0-21swapper/119:57:591
29833992110,1cyclictest22058-21kworker/1:100:13:031
2983399210,4cyclictest0-21swapper/122:42:581
2983299213,12cyclictest0-21swapper/022:13:020
29832992121,0cyclictest0-21swapper/021:54:030
29832992120,1cyclictest0-21swapper/020:46:220
29832992117,3cyclictest29830-21cyclictest22:45:060
29832992115,4cyclictest23876-21ssh23:35:080
29832992110,6cyclictest0-21swapper/000:32:470
29832992110,4cyclictest0-21swapper/019:12:130
29832992110,10cyclictest0-21swapper/021:14:460
2983399204,15cyclictest0-21swapper/120:18:081
2983399203,9cyclictest8852-21sendmail-msp19:37:461
29833992012,3cyclictest13462-21apache223:28:231
29833992011,5cyclictest0-21swapper/100:21:471
29833992010,8cyclictest0-21swapper/121:55:541
29833992010,4cyclictest0-21swapper/123:09:061
29833992010,4cyclictest0-21swapper/119:38:081
29833992010,2cyclictest0-21swapper/121:49:341
29833992010,2cyclictest0-21swapper/121:28:061
2983399200,1cyclictest0-21swapper/122:11:451
2983299202,8cyclictest0-21swapper/021:33:040
29832992010,3cyclictest0-21swapper/019:30:190
29832992010,1cyclictest0-21swapper/020:53:040
3244121910,0sleep00-21swapper/020:38:020
2983399195,7cyclictest0-21swapper/121:02:581
2983399192,4cyclictest0-21swapper/123:23:581
2983399192,11cyclictest0-21swapper/119:48:071
29833991914,3cyclictest0-21swapper/123:53:051
2983299193,6cyclictest21422-21idleruntime-cro23:32:450
2983299192,4cyclictest0-21swapper/021:26:290
2983299191,2cyclictest0-21swapper/021:58:370
29832991910,4cyclictest0-21swapper/023:46:320
29832991910,3cyclictest0-21swapper/021:19:040
29832991910,0cyclictest0-21swapper/019:35:050
2983399183,6cyclictest0-21swapper/123:50:081
29833991816,2cyclictest29830-21cyclictest22:34:411
29833991810,3cyclictest0-21swapper/120:32:581
2983399180,12cyclictest0-21swapper/120:58:041
2983299187,8cyclictest0-21swapper/022:28:050
29832991818,0cyclictest0-21swapper/021:39:080
2983299181,7cyclictest0-21swapper/020:48:080
29832991810,4cyclictest0-21swapper/023:58:470
2983399174,8cyclictest0-21swapper/119:53:041
2983399172,10cyclictest0-21swapper/120:07:581
2983399171,9cyclictest0-21swapper/120:12:571
29833991716,1cyclictest0-21swapper/119:43:031
29833991710,3cyclictest0-21swapper/120:06:431
2983399170,2cyclictest0-21swapper/123:43:451
2983299175,8cyclictest9224-21diskstats19:38:020
2983299173,7cyclictest0-21swapper/020:22:570
2983299172,6cyclictest0-21swapper/021:07:180
29832991713,2cyclictest0-21swapper/019:47:580
2983299170,0cyclictest0-21swapper/020:34:170
1514921710,0sleep00-21swapper/019:53:040
2983399163,3cyclictest28436-21df_inode20:27:581
29833991610,2cyclictest0-21swapper/120:23:021
29833991610,1cyclictest0-21swapper/119:11:561
29832991610,3cyclictest0-21swapper/000:13:080
2983399152,4cyclictest6952-21runrttasks20:55:291
29833991510,2cyclictest0-21swapper/120:42:581
29832991515,0cyclictest0-21swapper/020:16:310
29832991510,2cyclictest0-21swapper/019:58:520
29832991510,2cyclictest0-21swapper/019:13:020
29833991410,3cyclictest0-21swapper/119:13:081
29832991410,1cyclictest0-21swapper/019:45:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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