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2022-06-27 - 05:14

x86 Intel Atom Z530 @1600 MHz, Linux 3.12.61-rt81 (Profile)

Latency plot of system in rack #1, slot #8
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 highest latencies:
System rack1slot8.osadl.org (updated Mon Jun 27, 2022 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241979910082,7cyclictest24854-21needreboot19:10:180
2419899861802,46cyclictest24855-21needreboot19:10:181
2419799841779,28cyclictest22218-21ssh00:30:190
238712649626,17sleep00-21swapper/019:07:090
239042153133,14sleep10-21swapper/119:07:301
211999870,19rtkit-daemon2118-21rtkit-daemon21:25:171
211999820,4rtkit-daemon2118-21rtkit-daemon00:28:160
211999820,3rtkit-daemon2118-21rtkit-daemon20:25:260
211999790,4rtkit-daemon2118-21rtkit-daemon23:53:010
211999790,4rtkit-daemon2118-21rtkit-daemon21:55:170
211999790,4rtkit-daemon2118-21rtkit-daemon00:35:410
211999780,5rtkit-daemon2118-21rtkit-daemon22:13:540
211999780,5rtkit-daemon2118-21rtkit-daemon21:33:580
211999780,5rtkit-daemon2118-21rtkit-daemon21:12:070
211999780,5rtkit-daemon2118-21rtkit-daemon19:29:450
211999780,4rtkit-daemon2118-21rtkit-daemon22:08:580
211999780,3rtkit-daemon2118-21rtkit-daemon20:20:270
24197997714,43cyclictest24895-21ssh22:45:400
211999770,4rtkit-daemon2118-21rtkit-daemon23:55:450
211999770,4rtkit-daemon2118-21rtkit-daemon23:26:300
211999770,4rtkit-daemon2118-21rtkit-daemon22:32:390
211999770,4rtkit-daemon2118-21rtkit-daemon21:24:180
211999770,4rtkit-daemon2118-21rtkit-daemon19:18:550
211999760,4rtkit-daemon2118-21rtkit-daemon22:57:050
211999760,4rtkit-daemon2118-21rtkit-daemon22:29:191
211999760,4rtkit-daemon2118-21rtkit-daemon22:06:441
211999760,4rtkit-daemon2118-21rtkit-daemon21:06:070
211999760,4rtkit-daemon2118-21rtkit-daemon21:06:060
211999760,4rtkit-daemon2118-21rtkit-daemon20:58:210
211999760,4rtkit-daemon2118-21rtkit-daemon20:46:020
211999760,4rtkit-daemon2118-21rtkit-daemon20:06:110
211999760,4rtkit-daemon2118-21rtkit-daemon19:41:560
2419799752,57cyclictest26684-21latency_hist20:55:020
24197997516,53cyclictest9529-21latency_hist00:10:000
211999750,4rtkit-daemon2118-21rtkit-daemon23:46:160
211999750,4rtkit-daemon2118-21rtkit-daemon23:46:150
211999750,4rtkit-daemon2118-21rtkit-daemon22:42:340
211999750,4rtkit-daemon2118-21rtkit-daemon20:41:420
211999750,4rtkit-daemon2118-21rtkit-daemon20:19:060
211999750,4rtkit-daemon2118-21rtkit-daemon19:56:200
211999750,4rtkit-daemon2118-21rtkit-daemon19:48:450
211999750,4rtkit-daemon2118-21rtkit-daemon19:24:310
2419799742,53cyclictest22712-21ssh23:36:410
211999740,4rtkit-daemon2118-21rtkit-daemon23:32:200
211999740,4rtkit-daemon2118-21rtkit-daemon22:51:050
211999740,4rtkit-daemon2118-21rtkit-daemon22:39:380
211999740,4rtkit-daemon2118-21rtkit-daemon21:26:020
211999740,4rtkit-daemon2118-21rtkit-daemon21:03:570
211999740,4rtkit-daemon2118-21rtkit-daemon20:36:010
211999740,4rtkit-daemon2118-21rtkit-daemon20:34:270
211999740,4rtkit-daemon2118-21rtkit-daemon20:03:470
211999740,3rtkit-daemon2118-21rtkit-daemon22:59:451
211999730,4rtkit-daemon2118-21rtkit-daemon23:42:200
211999730,4rtkit-daemon2118-21rtkit-daemon23:16:090
211999730,4rtkit-daemon2118-21rtkit-daemon23:07:400
211999730,4rtkit-daemon2118-21rtkit-daemon21:36:520
2419799723,41cyclictest3094-21latency_hist23:05:020
24197997218,48cyclictest0-21swapper/000:10:080
211999720,4rtkit-daemon2118-21rtkit-daemon23:23:250
211999720,4rtkit-daemon2118-21rtkit-daemon21:41:580
211999720,4rtkit-daemon2118-21rtkit-daemon20:14:370
211999720,4rtkit-daemon2118-21rtkit-daemon19:32:160
211999720,4rtkit-daemon2118-21rtkit-daemon00:29:121
211999720,30rtkit-daemon2118-21rtkit-daemon21:00:161
211999710,5rtkit-daemon2118-21rtkit-daemon00:04:560
211999710,4rtkit-daemon2118-21rtkit-daemon23:33:001
211999710,4rtkit-daemon2118-21rtkit-daemon22:21:140
211999710,4rtkit-daemon2118-21rtkit-daemon21:57:321
211999710,4rtkit-daemon2118-21rtkit-daemon21:53:180
211999710,4rtkit-daemon2118-21rtkit-daemon19:50:160
211999710,4rtkit-daemon2118-21rtkit-daemon19:37:500
211999710,4rtkit-daemon2118-21rtkit-daemon00:22:020
211999710,4rtkit-daemon2118-21rtkit-daemon00:18:160
2419799702,57cyclictest7558-21ssh22:17:150
211999700,4rtkit-daemon2118-21rtkit-daemon22:00:580
211999700,4rtkit-daemon2118-21rtkit-daemon21:16:310
24197996814,48cyclictest79450irq/46-eth0-tx-22:26:420
2419799662,56cyclictest6708-21latency23:10:170
211999650,4rtkit-daemon2118-21rtkit-daemon23:05:501
2419799642,56cyclictest21108-21timerandwakeup21:45:240
211999630,4rtkit-daemon2118-21rtkit-daemon23:51:461
211999630,4rtkit-daemon2118-21rtkit-daemon22:23:481
211999630,3rtkit-daemon24697-21ssh21:51:231
211999620,3rtkit-daemon3059-21ssh23:04:541
211999620,3rtkit-daemon26302-21ssh23:43:201
211999610,11rtkit-daemon0-21swapper/022:47:501
211999600,4rtkit-daemon18628-21ssh21:41:131
211999600,3rtkit-daemon5780-21ssh22:15:091
211999600,3rtkit-daemon29271-21ssh23:48:211
211999600,3rtkit-daemon29271-21ssh23:48:201
211999600,3rtkit-daemon2118-21rtkit-daemon21:33:131
211999600,3rtkit-daemon11206-21ssh23:17:501
211999590,4rtkit-daemon4976-21ssh21:19:271
211999590,3rtkit-daemon8506-21ssh00:07:151
211999590,3rtkit-daemon31420-21ssh22:03:291
211999590,3rtkit-daemon2118-21rtkit-daemon00:36:471
211999590,3rtkit-daemon18232-21ssh00:24:211
211999590,3rtkit-daemon14376-21ssh00:16:571
211999590,11rtkit-daemon0-21swapper/019:40:311
249332584,12sleep10-21swapper/120:49:061
2419899587,44cyclictest0-21swapper/122:35:241
211999580,3rtkit-daemon1514-21ssh21:13:071
211999580,3rtkit-daemon11601-21ssh00:12:311
211999570,4rtkit-daemon2341-21ssh23:56:451
86202564,12sleep10-21swapper/123:13:531
272752564,12sleep10-21swapper/119:17:521
211999560,3rtkit-daemon2118-21rtkit-daemon23:29:151
323332554,12sleep10-21swapper/119:33:521
213992554,12sleep10-21swapper/120:37:321
211999550,4rtkit-daemon23859-21ssh00:33:161
211999550,4rtkit-daemon2118-21rtkit-daemon20:01:501
211999550,3rtkit-daemon2118-21rtkit-daemon20:30:021
211999550,3rtkit-daemon17118-21ssh22:33:581
159422554,12sleep10-21swapper/121:37:031
55942544,12sleep10-21swapper/100:02:291
314252544,12sleep10-21swapper/121:07:481
314252544,12sleep10-21swapper/121:07:471
28012545,15sleep10-21swapper/122:10:071
113252544,12sleep10-21swapper/120:06:011
211999530,3rtkit-daemon22640-21ssh21:48:571
195392534,12sleep10-21swapper/120:30:261
147242534,12sleep10-21swapper/120:16:541
132532534,12sleep10-21swapper/120:13:451
71302524,12sleep10-21swapper/121:22:171
66922524,12sleep10-21swapper/119:54:271
50412524,12sleep10-21swapper/119:49:301
307262524,12sleep10-21swapper/119:29:221
293742524,12sleep10-21swapper/122:54:481
24198995237,9cyclictest0-21swapper/120:50:181
211999520,4rtkit-daemon22589-21ssh23:36:261
211999520,3rtkit-daemon22935-21ssh22:43:281
145522524,12sleep10-21swapper/123:23:501
288412514,11sleep10-21swapper/119:22:021
162842514,12sleep10-21swapper/120:20:581
282182504,12sleep10-21swapper/120:58:581
14972474,12sleep10-21swapper/119:37:211
2419899465,33cyclictest0-21swapper/120:40:101
2419899456,33cyclictest0-21swapper/119:55:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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