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2026-05-11 - 05:20

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, slot #6

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack3slot6s.osadl.org (updated Mon May 11, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12766211492,15sleep20-21swapper/219:06:022
13109211186,19sleep00-21swapper/019:06:240
2918021090,1sleep121-21rcuc/100:39:511
13284210998,6sleep10-21swapper/119:08:371
13336210897,6sleep30-21swapper/319:09:193
277642740,0sleep1221ktimersoftd/123:26:561
50252730,0sleep0101ktimersoftd/023:02:410
286622710,1sleep30-21swapper/322:53:393
169292680,0sleep30-21swapper/322:40:153
189632670,0sleep00-21swapper/021:32:430
1342199350,18cyclictest0-21swapper/200:15:122
135612260,0sleep00-21swapper/000:21:300
48002250,0sleep10-21swapper/121:17:131
243922230,1sleep20-21swapper/222:49:132
1342199231,3cyclictest0-21swapper/219:20:102
1342099221,19cyclictest29847-21ssh21:45:111
1342199210,19cyclictest0-21swapper/222:25:122
1341999210,2cyclictest0-21swapper/020:50:110
47542200,0sleep10-21swapper/100:12:131
1342299200,8cyclictest11430-21aten2.4_r3power23:45:133
1342299200,18cyclictest27226-21ssh00:36:253
1342299200,18cyclictest0-21swapper/300:10:003
1342199200,18cyclictest0-21swapper/220:05:122
1341999200,2cyclictest0-21swapper/020:00:120
227182190,1sleep3381ktimersoftd/323:21:163
1342299190,18cyclictest0-21swapper/321:21:023
1342299190,17cyclictest0-21swapper/322:39:173
1342299190,17cyclictest0-21swapper/321:10:373
1342299190,17cyclictest0-21swapper/300:15:123
1342299180,6cyclictest0-21swapper/300:21:173
1342299180,17cyclictest0-21swapper/321:40:133
1342299180,16cyclictest29500-21diskmemload22:05:423
1342299180,16cyclictest0-21swapper/323:18:083
1342299180,16cyclictest0-21swapper/323:10:163
1342299180,16cyclictest0-21swapper/322:19:403
1342299180,16cyclictest0-21swapper/321:32:513
1342299180,16cyclictest0-21swapper/300:04:393
1341999180,17cyclictest0-21swapper/023:55:110
1342299170,7cyclictest0-21swapper/321:53:513
1342299170,5cyclictest0-21swapper/300:30:473
1342299170,16cyclictest0-21swapper/323:07:483
1342299170,16cyclictest0-21swapper/322:46:273
1342299170,15cyclictest4602-21ssh23:01:593
1342299170,15cyclictest0-21swapper/323:58:373
1342299170,15cyclictest0-21swapper/323:41:493
1342299170,15cyclictest0-21swapper/323:33:073
1342299170,15cyclictest0-21swapper/321:26:493
13420991712,3cyclictest29395-21apt-get22:20:081
13420991712,3cyclictest0-21swapper/123:50:181
1341999170,2cyclictest0-21swapper/020:30:110
1342299169,6cyclictest0-21swapper/323:27:463
1342299169,6cyclictest0-21swapper/321:55:333
1342299166,8cyclictest2695-21grep23:35:163
1342299160,15cyclictest0-21swapper/322:25:303
1342299160,15cyclictest0-21swapper/321:15:273
1342299160,15cyclictest0-21swapper/320:16:033
1342299160,15cyclictest0-21swapper/319:22:273
1342299160,14cyclictest0-21swapper/322:34:203
1342299160,14cyclictest0-21swapper/321:45:533
1342299160,14cyclictest0-21swapper/300:08:573
1342199161,3cyclictest16603-21ssh22:40:132
1342099161,13cyclictest7339-21munin-run20:15:011
1342099160,13cyclictest0-21swapper/120:45:001
1341999161,3cyclictest6389-21seq21:54:550
1342299158,6cyclictest0-21swapper/323:50:063
1342299155,8cyclictest3649-21snmpd22:11:253
1342299150,5cyclictest0-21swapper/322:23:123
1342299150,14cyclictest0-21swapper/322:00:583
1342199151,12cyclictest3127-21nscd22:06:222
1342199151,12cyclictest27105-21ssh22:16:132
1342199150,3cyclictest0-21swapper/221:39:552
1342199150,13cyclictest29500-21diskmemload21:55:002
1342199150,13cyclictest0-21swapper/223:30:192
1342099153,10cyclictest30993-21cut00:05:291
1342099152,7cyclictest0-21swapper/119:10:001
1342099152,7cyclictest0-21swapper/119:10:001
1342099151,12cyclictest14274-21iostat20:30:151
1342099150,3cyclictest21567-21cat19:29:591
1342099150,3cyclictest0-21swapper/123:20:011
1341999151,3cyclictest3649-21snmpd21:11:150
13419991511,2cyclictest0-21swapper/023:33:420
1341999150,13cyclictest0-21swapper/022:49:280
1341999150,13cyclictest0-21swapper/000:31:030
1342299144,8cyclictest3127-21nscd21:10:003
1342299144,8cyclictest2850-21rsyslogd20:45:003
1342299144,8cyclictest26071-21df_abs21:00:133
1342299144,8cyclictest16990-21timerwakeupswit19:16:023
1342299144,8cyclictest13377-21cron20:30:003
1342299143,9cyclictest2593-21cat20:01:033
13422991410,2cyclictest0-21swapper/320:50:163
13422991410,2cyclictest0-21swapper/320:30:123
1342299140,13cyclictest0-21swapper/322:56:383
1342299140,12cyclictest2211050ssh21:36:013
1342299140,12cyclictest0-21swapper/300:25:143
1342199142,7cyclictest10914-21copy22:00:002
13421991411,2cyclictest0-21swapper/220:00:182
1342199141,11cyclictest29500-21diskmemload23:10:052
1342199141,11cyclictest20466-21apt-get22:10:112
1342199140,3cyclictest6498-21ssh21:19:592
1342199140,2cyclictest0-21swapper/222:00:052
1342199140,2cyclictest0-21swapper/221:10:382
1342199140,12cyclictest3649-21snmpd23:41:452
1342199140,12cyclictest32597-21ssh00:07:352
1342199140,12cyclictest0-21swapper/221:22:292
1342099142,6cyclictest0-21swapper/122:45:011
1342099142,6cyclictest0-21swapper/121:30:001
1342099142,6cyclictest0-21swapper/100:25:001
1342099141,3cyclictest0-21swapper/122:25:041
1342099140,12cyclictest25248-21apt-get00:00:121
1342099140,12cyclictest0-21swapper/122:05:141
1342099140,12cyclictest0-21swapper/121:30:191
13419991411,2cyclictest0-21swapper/022:38:170
1341999140,13cyclictest0-21swapper/019:55:170
1341999140,12cyclictest18143-21tune2fs19:20:130
1341999140,12cyclictest1259-21ssh00:09:260
1341999140,12cyclictest0-21swapper/023:47:210
1341999140,12cyclictest0-21swapper/021:16:110
105092140,2sleep00-21swapper/022:34:090
1342299134,8cyclictest21687-21munin-node3
1342299134,7cyclictest381ktimersoftd/320:06:013
1342299132,9cyclictest29772-21munin-node3
1342299132,9cyclictest24880-21switchtime19:36:023
1342299131,10cyclictest4310-21gnome-settings-19:45:143
1342299131,10cyclictest3728-21runrttasks20:35:123
1342299131,10cyclictest31916-21aten2.4_r3power19:55:133
1342299131,10cyclictest24546-21grep20:55:173
1342299131,10cyclictest20460-21sed20:45:173
1342299131,10cyclictest13634-21apt-get19:10:113
1342299131,10cyclictest13634-21apt-get19:10:103
1342299130,12cyclictest0-21swapper/319:40:293
1342299130,11cyclictest6858-21cat20:11:023
1342199138,3cyclictest12734-21runrttasks22:35:462
1342199133,6cyclictest0-21swapper/219:56:022
1342199131,10cyclictest0-21swapper/223:08:232
13421991310,2cyclictest0-21swapper/223:50:592
13421991310,2cyclictest0-21swapper/222:24:052
1342199130,2cyclictest20700-21aten2.4_r3power23:55:112
1342199130,2cyclictest0-21swapper/221:29:192
1342199130,2cyclictest0-21swapper/220:10:012
1342199130,12cyclictest0-21swapper/222:59:292
1342199130,12cyclictest0-21swapper/221:41:032
1342199130,12cyclictest0-21swapper/200:32:092
1342199130,11cyclictest29500-21diskmemload23:25:152
1342199130,11cyclictest0-21swapper/223:20:312
1342199130,11cyclictest0-21swapper/223:00:332
1342099139,2cyclictest0-21swapper/123:06:041
1342099138,3cyclictest27763-21munin-node1
1342099138,3cyclictest0-21swapper/122:15:181
1342099138,3cyclictest0-21swapper/100:19:231
1342099132,7cyclictest29500-21diskmemload23:05:011
1342099132,7cyclictest29500-21diskmemload00:00:001
1342099131,10cyclictest0-21swapper/120:40:001
13420991310,2cyclictest0-21swapper/123:30:141
13420991310,2cyclictest0-21swapper/123:20:181
13420991310,2cyclictest0-21swapper/122:00:111
13420991310,2cyclictest0-21swapper/121:20:171
13420991310,2cyclictest0-21swapper/120:55:171
1342099130,2cyclictest0-21swapper/123:35:171
1342099130,2cyclictest0-21swapper/122:46:271
1342099130,2cyclictest0-21swapper/100:30:131
1342099130,12cyclictest0-21swapper/122:10:351
1342099130,11cyclictest0-21swapper/122:32:411
1342099130,11cyclictest0-21swapper/121:51:061
1342099130,11cyclictest0-21swapper/121:35:501
1342099130,11cyclictest0-21swapper/121:10:491
1341999138,3cyclictest0-21swapper/020:05:160
1341999132,5cyclictest0-21swapper/000:05:000
13419991310,2cyclictest29500-21diskmemload00:28:220
13419991310,2cyclictest0-21swapper/023:54:580
13419991310,2cyclictest0-21swapper/023:25:060
13419991310,2cyclictest0-21swapper/022:55:380
13419991310,2cyclictest0-21swapper/022:26:250
13419991310,2cyclictest0-21swapper/022:19:340
13419991310,2cyclictest0-21swapper/022:05:380
13419991310,2cyclictest0-21swapper/022:03:010
13419991310,2cyclictest0-21swapper/021:41:140
13419991310,2cyclictest0-21swapper/021:35:410
13419991310,2cyclictest0-21swapper/021:26:180
1341999130,2cyclictest29500-21diskmemload23:20:180
1341999130,2cyclictest0-21swapper/023:16:030
1341999130,2cyclictest0-21swapper/023:10:400
1341999130,2cyclictest0-21swapper/022:53:030
1341999130,2cyclictest0-21swapper/022:11:010
1341999130,2cyclictest0-21swapper/020:20:000
1341999130,2cyclictest0-21swapper/000:38:170
1341999130,12cyclictest0-21swapper/023:36:080
1341999130,12cyclictest0-21swapper/023:06:580
1341999130,11cyclictest0-21swapper/021:56:050
1341999130,11cyclictest0-21swapper/019:45:040
1342299121,9cyclictest19743-21aten2.4-expect19:25:133
1342299120,10cyclictest9617-21sh20:20:113
1342199129,2cyclictest29500-21diskmemload00:25:442
1342199129,2cyclictest0-21swapper/223:45:102
1342199129,2cyclictest0-21swapper/223:15:182
1342199129,2cyclictest0-21swapper/221:48:202
1342199129,2cyclictest0-21swapper/200:35:322
1342199129,2cyclictest0-21swapper/200:10:032
1342199124,3cyclictest3728-21runrttasks21:32:332
1342199120,2cyclictest0-21swapper/222:50:562
1342199120,2cyclictest0-21swapper/220:26:012
1342199120,11cyclictest0-21swapper/222:30:292
1342199120,11cyclictest0-21swapper/221:01:032
1342199120,11cyclictest0-21swapper/220:30:182
1342199120,11cyclictest0-21swapper/219:40:172
1342199120,11cyclictest0-21swapper/200:21:092
1342199120,11cyclictest0-21swapper/200:04:192
1342099129,2cyclictest29500-21diskmemload22:55:211
1342099129,2cyclictest0-21swapper/123:46:401
1342099129,2cyclictest0-21swapper/121:40:351
1342099129,2cyclictest0-21swapper/119:15:181
1342099128,2cyclictest11589-21munin-node1
1342099127,3cyclictest2835-21vmstat20:01:051
1342099121,9cyclictest0-21swapper/120:51:021
1342099121,9cyclictest0-21swapper/120:45:131
1342099121,9cyclictest0-21swapper/120:05:121
1342099121,6cyclictest0-21swapper/123:45:001
1342099121,3cyclictest25700-21munin-node1
1342099121,3cyclictest11341-21munin-node1
1342099121,3cyclictest0-21swapper/120:20:121
1342099121,3cyclictest0-21swapper/119:51:011
1342099120,11cyclictest29500-21diskmemload22:50:551
1342099120,10cyclictest0-21swapper/121:05:211
1341999129,2cyclictest29500-21diskmemload22:20:330
1341999129,2cyclictest0-21swapper/023:41:060
1341999129,2cyclictest0-21swapper/022:41:000
1341999129,2cyclictest0-21swapper/021:46:010
1341999129,2cyclictest0-21swapper/021:20:120
1341999129,2cyclictest0-21swapper/020:20:180
1341999129,2cyclictest0-21swapper/000:17:390
1341999122,5cyclictest0-21swapper/020:50:000
1341999120,2cyclictest0-21swapper/021:05:150
1341999120,2cyclictest0-21swapper/020:55:140
1341999120,2cyclictest0-21swapper/019:35:170
1341999120,2cyclictest0-21swapper/000:10:570
1341999120,11cyclictest0-21swapper/021:00:300
1341999120,11cyclictest0-21swapper/020:10:140
1342199118,2cyclictest0-21swapper/223:35:062
1342199118,2cyclictest0-21swapper/220:40:112
1342199118,2cyclictest0-21swapper/219:15:122
1342199111,7cyclictest0-21swapper/219:34:022
1342199110,2cyclictest0-21swapper/219:25:412
1342199110,10cyclictest0-21swapper/219:45:132
1342199110,10cyclictest0-21swapper/219:14:262
1342199110,10cyclictest0-21swapper/219:14:262
1342099116,3cyclictest7550-21munin-node1
1342099111,8cyclictest0-21swapper/123:10:191
1342099111,8cyclictest0-21swapper/119:20:141
1342099111,3cyclictest0-21swapper/122:35:131
1342099111,3cyclictest0-21swapper/119:40:291
1342099110,9cyclictest6878-21aten2.4_r3power21:55:161
1342099110,9cyclictest23948-21tr19:35:131
1342099110,9cyclictest0-21swapper/119:30:111
1341999112,5cyclictest0-21swapper/019:10:520
1341999112,5cyclictest0-21swapper/019:10:520
1341999111,5cyclictest0-21swapper/020:45:000
313772100,2sleep00-21swapper/019:52:390
1342199102,5cyclictest0-21swapper/220:48:022
1342199101,6cyclictest0-21swapper/219:35:572
1342199101,5cyclictest0-21swapper/221:05:132
1342199100,7cyclictest0-21swapper/219:50:022
1342099100,3cyclictest0-21swapper/119:55:171
1341999107,2cyclictest0-21swapper/019:40:140
1341999107,2cyclictest0-21swapper/019:25:140
134219994,3cyclictest9588-21aten2.4_r3power20:20:112
134219994,3cyclictest8188-21if_eth020:15:162
134219994,3cyclictest25414-21sshd20:59:262
134219994,3cyclictest21938-21cpuspeed_turbos20:50:122
134219994,3cyclictest15615-21munin-node2
134199994,4cyclictest0-21swapper/020:35:040
134199993,2cyclictest0-21swapper/020:25:040
134199991,6cyclictest0-21swapper/019:15:530
134199983,3cyclictest21951-21cpuspeed_turbos19:30:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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