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2023-05-30 - 09:12

x86 Intel Celeron G1620 @2700 MHz, Linux 5.4.17-rt9 (Profile)

Latency plot of system in rack #9, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 792 highest latencies:
System rack9slot5.osadl.org (updated Mon May 29, 2023 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57852430,0sleep00-21swapper/007:07:060
315962430,0sleep00-21swapper/009:36:030
98932420,0sleep10-21swapper/111:13:111
216202420,1sleep00-21swapper/006:45:420
56992410,0sleep10-21swapper/109:40:291
101422400,0sleep10-21swapper/107:14:201
29112380,0sleep00-21swapper/011:53:360
23252370,0sleep00-21swapper/010:22:360
244432340,1sleep0101rcuc/008:20:210
199122300,0sleep00-21swapper/010:57:240
71142297,9sleep10-21swapper/106:25:011
722421911,4sleep00-21swapper/006:25:200
101042190,0sleep0101rcuc/009:42:540
264599170,1rtkit-daemon2644-21rtkit-daemon07:54:471
766799160,15cyclictest17090-21ssh09:02:331
318612160,0sleep10-21swapper/109:13:041
318612160,0sleep10-21swapper/109:13:041
766799150,1cyclictest4411-21x2golistsession10:46:331
7666991513,1cyclictest9784-21x2golistsession06:27:290
264599150,1rtkit-daemon2644-21rtkit-daemon08:13:381
766799140,1cyclictest13791-21x2golistsession08:37:421
7666991412,1cyclictest27791-21sh09:32:400
264599140,1rtkit-daemon2644-21rtkit-daemon11:36:291
264599140,1rtkit-daemon2644-21rtkit-daemon07:56:361
193762140,1sleep119379-21sendmail_mailqu07:26:241
7667991312,0cyclictest13360-21copy10:31:031
7667991311,1cyclictest23681-21x2golistsession08:18:121
766799130,13cyclictest24004-21ssh09:07:231
766799130,13cyclictest0-21swapper/110:39:131
766799130,13cyclictest0-21swapper/110:02:031
766799130,0cyclictest0-21swapper/111:49:031
766799130,0cyclictest0-21swapper/109:27:131
7666991313,0cyclictest0-21swapper/009:25:500
7666991311,1cyclictest15336-21x2gosqlitewrapp11:40:000
766699130,13cyclictest0-21swapper/010:02:200
766699130,0cyclictest0-21swapper/011:43:300
264599130,1rtkit-daemon2644-21rtkit-daemon07:22:370
264599130,0rtkit-daemon2644-21rtkit-daemon07:20:520
7667991212,0cyclictest0-21swapper/110:15:031
766799120,12cyclictest0-21swapper/108:44:131
766799120,12cyclictest0-21swapper/108:23:421
766799120,0cyclictest0-21swapper/109:33:431
766799120,0cyclictest0-21swapper/108:56:431
7666991212,0cyclictest0-21swapper/010:40:300
7666991212,0cyclictest0-21swapper/008:41:100
7666991212,0cyclictest0-21swapper/008:26:490
7666991212,0cyclictest0-21swapper/007:37:290
7666991212,0cyclictest0-21swapper/007:11:290
7666991212,0cyclictest0-21swapper/006:52:590
766699120,12cyclictest0-21swapper/011:14:300
766699120,12cyclictest0-21swapper/010:09:300
766699120,12cyclictest0-21swapper/008:12:490
766699120,12cyclictest0-21swapper/007:59:490
766699120,0cyclictest0-21swapper/009:54:300
264599120,1rtkit-daemon2644-21rtkit-daemon09:15:030
264599120,1rtkit-daemon2644-21rtkit-daemon09:15:030
264599120,0rtkit-daemon2644-21rtkit-daemon07:01:231
7667991111,0cyclictest0-21swapper/111:09:231
7667991111,0cyclictest0-21swapper/110:24:031
7667991111,0cyclictest0-21swapper/109:54:131
7667991111,0cyclictest0-21swapper/107:50:121
766799110,11cyclictest0-21swapper/111:43:431
766799110,0cyclictest0-21swapper/109:20:231
766799110,0cyclictest0-21swapper/107:39:021
7666991111,0cyclictest0-21swapper/011:48:500
7666991111,0cyclictest0-21swapper/011:20:500
7666991111,0cyclictest0-21swapper/009:46:400
766699110,11cyclictest0-21swapper/008:33:590
766699110,11cyclictest0-21swapper/007:50:190
264599110,1rtkit-daemon2644-21rtkit-daemon08:26:041
7667991010,0cyclictest0-21swapper/110:43:031
766699108,1cyclictest24030-21ssh09:07:240
7666991010,0cyclictest0-21swapper/011:07:500
7666991010,0cyclictest0-21swapper/010:54:500
7666991010,0cyclictest0-21swapper/010:32:200
7666991010,0cyclictest0-21swapper/010:16:000
32792100,2sleep0766699cyclictest07:05:010
76679999,0cyclictest6568-21ssh11:33:331
76679999,0cyclictest0-21swapper/110:08:331
76679999,0cyclictest0-21swapper/109:47:031
76679999,0cyclictest0-21swapper/106:30:021
76669999,0cyclictest0-21swapper/011:32:400
76669999,0cyclictest0-21swapper/009:00:300
76669999,0cyclictest0-21swapper/008:51:400
26459990,1rtkit-daemon2644-21rtkit-daemon08:24:310
26459990,1rtkit-daemon1376-21/usr/sbin/munin08:01:031
76679988,0cyclictest0-21swapper/111:29:031
76679988,0cyclictest0-21swapper/111:25:131
76679983,3cyclictest21-21ksoftirqd/110:20:451
76679983,3cyclictest21-21ksoftirqd/107:10:441
76679982,4cyclictest21-21ksoftirqd/111:53:531
76679982,4cyclictest21-21ksoftirqd/106:56:211
76679981,4cyclictest21-21ksoftirqd/107:21:211
76679981,3cyclictest21-21ksoftirqd/110:51:581
76679980,1cyclictest30082-21x2gosqlitewrapp09:56:341
76669988,0cyclictest0-21swapper/010:47:300
76669988,0cyclictest0-21swapper/008:05:390
22896280,2sleep123031-21x2gosqlitewrapp06:46:231
16055280,1sleep016082-21x2gosqlitewrapp08:39:490
76679975,1cyclictest21-21ksoftirqd/111:16:321
76679975,1cyclictest21-21ksoftirqd/106:46:011
76679974,2cyclictest7932-21ssh09:41:251
76679974,2cyclictest21-21ksoftirqd/108:51:101
76679973,1cyclictest111rcu_preempt10:57:101
76679973,1cyclictest111rcu_preempt08:46:211
76679973,1cyclictest111rcu_preempt08:31:321
76679972,3cyclictest21-21ksoftirqd/109:21:451
76679972,1cyclictest111rcu_preempt07:16:201
76679970,3cyclictest21-21ksoftirqd/111:01:191
76679970,3cyclictest21-21ksoftirqd/107:33:441
76669975,1cyclictest9700-21ssh10:27:460
76669975,1cyclictest4389-21x2gosqlitewrapp09:16:280
76669974,2cyclictest29676-21ssh10:41:290
76669974,2cyclictest19484-21x2gosqlitewrapp09:26:360
76669974,2cyclictest14085-21ssh09:01:150
76669972,4cyclictest0-21swapper/011:26:120
76669972,4cyclictest0-21swapper/011:21:150
76669972,4cyclictest0-21swapper/011:01:380
76669972,4cyclictest0-21swapper/009:56:320
76669972,4cyclictest0-21swapper/008:49:090
76669971,5cyclictest28803-21/usr/sbin/munin07:41:200
76669970,2cyclictest25439-21x2golistsession10:16:240
76679964,1cyclictest21-21ksoftirqd/106:31:191
76679963,1cyclictest111rcu_preempt10:26:121
76679962,1cyclictest111rcu_preempt06:52:591
76679961,1cyclictest111rcu_preempt08:06:231
76679961,1cyclictest111rcu_preempt07:41:211
76679960,3cyclictest21-21ksoftirqd/106:36:201
76669964,1cyclictest15690-21if_err_topwin06:36:210
76669964,1cyclictest11235-21x2golistsession06:31:060
76669963,2cyclictest21665-21/usr/sbin/munin07:31:200
76669963,2cyclictest19914-21readlink07:26:500
76669960,5cyclictest29111-21/usr/sbin/munin06:56:240
76669960,5cyclictest21976-21/usr/sbin/munin06:46:200
76669960,5cyclictest14251-21/usr/sbin/munin08:06:210
76669960,2cyclictest3542-21/usr/sbin/munin07:51:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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