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2026-07-25 - 10:57

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 the 376 highest latencies:
System rack3slot6s.osadl.org (updated Sat Jul 25, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32591211594,16sleep00-21swapper/019:05:350
501211493,16sleep20-21swapper/219:07:452
564210695,6sleep30-21swapper/319:08:343
423210695,6sleep10-21swapper/119:06:441
201982690,1sleep10-21swapper/100:00:181
83262670,0sleep10-21swapper/122:40:321
71199510,18cyclictest0-21swapper/220:05:112
251142290,0sleep00-21swapper/000:05:180
70999231,2cyclictest16948-21diskmemload22:13:230
70999230,3cyclictest10562-21ssh22:09:500
70999230,3cyclictest0-21swapper/023:45:580
82822220,1sleep20-21swapper/200:21:032
82822220,1sleep20-21swapper/200:21:032
70999221,12cyclictest0-21swapper/023:21:380
70999220,3cyclictest5356-21ntp_kernel_pll_21:30:180
70999220,3cyclictest28917-21unixbench_singl21:21:030
70999220,3cyclictest23742-21ssh21:50:030
70999220,3cyclictest19491-21sh00:33:030
70999220,3cyclictest0-21swapper/023:40:070
70999220,3cyclictest0-21swapper/023:37:230
70999220,3cyclictest0-21swapper/023:07:300
70999220,3cyclictest0-21swapper/021:56:340
70999220,3cyclictest0-21swapper/021:16:540
70999220,3cyclictest0-21swapper/020:20:150
70999220,3cyclictest0-21swapper/019:40:110
70999220,3cyclictest0-21swapper/000:10:590
70999220,2cyclictest0-21swapper/023:27:510
192202220,1sleep337-21rcuc/322:18:143
115522220,3sleep3381ktimersoftd/323:51:013
71299211,2cyclictest0-21swapper/321:50:113
71299210,19cyclictest0-21swapper/322:50:113
710992111,8cyclictest0-21swapper/120:15:131
70999210,3cyclictest19883-21ssh21:12:030
70999210,3cyclictest17435-21ssh23:57:260
70999210,3cyclictest16948-21diskmemload23:04:510
70999210,3cyclictest11657-21ssh23:51:030
70999210,3cyclictest10311-21sh23:16:390
70999210,3cyclictest0-21swapper/022:30:140
70999210,3cyclictest0-21swapper/022:21:110
70999210,3cyclictest0-21swapper/020:52:540
70999210,3cyclictest0-21swapper/019:25:500
70999210,3cyclictest0-21swapper/019:11:550
70999210,3cyclictest0-21swapper/000:29:230
70999210,3cyclictest0-21swapper/000:29:230
70999210,2cyclictest22969-21df_abs23:30:140
70999210,2cyclictest0-21swapper/022:47:510
70999210,2cyclictest0-21swapper/022:40:150
70999210,2cyclictest0-21swapper/022:15:550
70999210,2cyclictest0-21swapper/021:42:180
70999210,2cyclictest0-21swapper/000:21:510
70999210,2cyclictest0-21swapper/000:21:500
70999210,2cyclictest0-21swapper/000:00:470
711992017,2cyclictest30177-21kworker/u8:022:37:052
711992017,2cyclictest26692-21kworker/u8:100:19:052
711992017,2cyclictest13491-21kworker/u8:022:52:042
711992017,2cyclictest13217-21kworker/u8:121:10:062
71099201,2cyclictest0-21swapper/121:50:121
70999202,12cyclictest0-21swapper/020:50:010
70999200,2cyclictest27504-21ssh22:26:350
70999200,2cyclictest16948-21diskmemload22:55:300
70999200,2cyclictest0-21swapper/022:53:430
70999200,2cyclictest0-21swapper/022:36:190
70999200,2cyclictest0-21swapper/022:00:550
70999200,2cyclictest0-21swapper/021:48:510
70999200,2cyclictest0-21swapper/021:36:430
70999200,2cyclictest0-21swapper/021:28:110
70999200,2cyclictest0-21swapper/020:10:110
70999200,2cyclictest0-21swapper/000:37:140
70999200,2cyclictest0-21swapper/000:15:110
711991916,2cyclictest4434-21kworker/u8:323:17:042
711991916,2cyclictest32635-21kworker/u8:119:46:052
711991916,2cyclictest22051-21kworker/u8:222:25:052
711991916,2cyclictest20701-21kworker/u8:300:12:052
71199190,2cyclictest0-21swapper/222:05:102
71199190,17cyclictest0-21swapper/223:25:112
71099190,18cyclictest0-21swapper/122:50:121
70999190,2cyclictest0-21swapper/023:12:310
711991815,2cyclictest9863-21kworker/u8:200:38:062
711991815,2cyclictest29420-21kworker/u8:020:35:042
711991815,2cyclictest28255-21kworker/u8:221:32:022
711991815,2cyclictest24963-21kworker/u8:023:04:052
711991815,2cyclictest22265-21kworker/u8:021:54:042
711991815,2cyclictest22193-21kworker/u8:021:24:052
711991815,2cyclictest13283-21kworker/u8:220:14:052
711991814,2cyclictest28253-21kworker/u8:121:55:052
70999180,2cyclictest0-21swapper/019:18:390
711991714,2cyclictest9160-21kworker/u8:222:14:052
711991714,2cyclictest8715-21kworker/u8:219:20:052
711991714,2cyclictest7232-21kworker/u8:220:55:052
711991714,2cyclictest7232-21kworker/u8:220:54:012
711991714,2cyclictest32635-21kworker/u8:119:15:052
711991714,2cyclictest30177-21kworker/u8:022:34:052
711991714,2cyclictest13283-21kworker/u8:220:17:052
711991714,2cyclictest13217-21kworker/u8:121:06:062
70999171,11cyclictest0-21swapper/020:00:000
277172170,0sleep20-21swapper/200:08:162
71299160,14cyclictest16948-21diskmemload21:46:273
711991613,2cyclictest7232-21kworker/u8:220:46:052
711991613,2cyclictest4434-21kworker/u8:323:20:022
711991613,2cyclictest20701-21kworker/u8:300:04:052
711991613,2cyclictest17271-21kworker/u8:019:56:052
71099160,14cyclictest0-21swapper/121:15:101
70999161,4cyclictest31613-21tr20:25:100
70999161,4cyclictest15800-21gltestperf19:45:150
70999161,4cyclictest12928-21tr21:00:000
70999161,3cyclictest15726-21tr21:05:130
70999161,13cyclictest1605-21ls20:30:160
70999160,3cyclictest0-21swapper/020:40:130
71299152,7cyclictest0-21swapper/321:00:013
71299151,3cyclictest31707-21ssh21:25:023
71299151,3cyclictest16948-21diskmemload23:40:133
71299151,3cyclictest0-21swapper/300:39:273
712991512,2cyclictest0-21swapper/321:43:373
712991510,3cyclictest20290-21memory00:00:183
71299150,13cyclictest16948-21diskmemload22:24:483
71299150,13cyclictest0-21swapper/321:37:313
71299150,13cyclictest0-21swapper/300:31:373
711991512,2cyclictest9863-21kworker/u8:200:34:052
711991512,2cyclictest32635-21kworker/u8:119:44:052
711991512,2cyclictest32635-21kworker/u8:119:10:042
711991512,2cyclictest32279-21kworker/u8:223:41:042
711991512,2cyclictest30925-21kworker/u8:123:06:042
711991512,2cyclictest28255-21kworker/u8:221:27:042
711991512,2cyclictest28253-21kworker/u8:122:00:052
711991512,2cyclictest20795-21kworker/u8:120:00:042
70999154,9cyclictest2908-21munin-node0
70999154,9cyclictest17486-21cpuspeed_turbos19:50:120
70999152,3cyclictest27660-21sed20:15:140
70999151,4cyclictest9307-21head19:30:130
70999151,4cyclictest23433-21head20:05:120
70999151,4cyclictest13403-21tr21:00:150
70999151,3cyclictest5650-21fschecks_time19:20:130
70999151,3cyclictest19611-21df19:55:140
70999151,3cyclictest11797-21grep19:35:150
76702140,3sleep37682-21ssh23:47:223
71299149,3cyclictest0-21swapper/322:00:013
71299142,6cyclictest0-21swapper/320:14:593
712991411,2cyclictest0-21swapper/323:27:583
712991411,2cyclictest0-21swapper/322:39:183
712991411,2cyclictest0-21swapper/321:15:273
712991411,2cyclictest0-21swapper/321:12:273
712991411,2cyclictest0-21swapper/300:20:313
712991411,2cyclictest0-21swapper/300:20:313
71299140,2cyclictest16948-21diskmemload23:23:483
71299140,2cyclictest16948-21diskmemload22:12:583
71299140,2cyclictest0-21swapper/322:29:373
71299140,13cyclictest0-21swapper/323:55:183
71299140,13cyclictest0-21swapper/322:02:573
71299140,13cyclictest0-21swapper/320:20:173
71299140,12cyclictest29500-21ssh23:03:283
71299140,12cyclictest15929-21memory21:05:153
71299140,12cyclictest0-21swapper/300:15:093
71299140,12cyclictest0-21swapper/300:14:183
71199141,12cyclictest22298-21ssh22:55:202
711991411,2cyclictest15839-21kworker/u8:122:48:052
711991411,2cyclictest13217-21kworker/u8:121:03:042
711991411,2cyclictest0-21swapper/222:41:372
711991410,2cyclictest0-21swapper/223:14:182
71199140,2cyclictest0-21swapper/223:46:582
71199140,2cyclictest0-21swapper/223:30:472
71199140,2cyclictest0-21swapper/221:48:582
71199140,12cyclictest3728-21runrttasks23:54:102
71199140,12cyclictest0-21swapper/223:55:072
710991411,2cyclictest16948-21diskmemload22:31:201
710991411,2cyclictest0-21swapper/122:45:111
710991411,2cyclictest0-21swapper/100:25:011
710991411,2cyclictest0-21swapper/100:25:001
71099140,3cyclictest16545-21sed19:46:031
71099140,2cyclictest0-21swapper/123:30:001
71099140,12cyclictest16948-21diskmemload23:44:011
71099140,12cyclictest0-21swapper/120:00:101
71099140,12cyclictest0-21swapper/100:12:221
199512140,0sleep30-21swapper/319:55:173
71299132,6cyclictest4964-21copy19:20:003
71299132,6cyclictest0-21swapper/320:40:003
71299132,6cyclictest0-21swapper/320:05:003
71299131,10cyclictest2591-21apt23:10:003
712991310,2cyclictest0-21swapper/323:30:173
712991310,2cyclictest0-21swapper/322:55:123
712991310,2cyclictest0-21swapper/322:41:373
71299130,2cyclictest0-21swapper/322:09:523
71299130,12cyclictest0-21swapper/323:38:383
71299130,12cyclictest0-21swapper/323:13:083
71299130,12cyclictest0-21swapper/322:31:583
71299130,12cyclictest0-21swapper/321:32:373
71299130,12cyclictest0-21swapper/319:40:123
71299130,12cyclictest0-21swapper/300:25:083
71299130,12cyclictest0-21swapper/300:25:073
71299130,11cyclictest16948-21diskmemload22:45:363
71299130,11cyclictest0-21swapper/320:25:103
711991310,2cyclictest32082-21kworker/u8:000:25:052
711991310,2cyclictest32082-21kworker/u8:000:25:042
711991310,2cyclictest0-21swapper/222:19:582
711991310,2cyclictest0-21swapper/220:25:152
71199130,12cyclictest0-21swapper/219:35:182
71099138,3cyclictest16948-21diskmemload23:45:191
71099131,10cyclictest3728-21runrttasks00:32:291
710991310,2cyclictest16948-21diskmemload23:21:421
710991310,2cyclictest0-21swapper/123:29:411
710991310,2cyclictest0-21swapper/122:04:021
710991310,2cyclictest0-21swapper/121:41:011
710991310,2cyclictest0-21swapper/119:51:011
710991310,2cyclictest0-21swapper/100:24:511
710991310,2cyclictest0-21swapper/100:24:501
71099130,12cyclictest0-21swapper/123:15:311
71299129,2cyclictest0-21swapper/323:15:493
71299129,2cyclictest0-21swapper/320:08:273
71299121,4cyclictest0-21swapper/320:45:593
71299120,2cyclictest0-21swapper/319:36:003
71299120,11cyclictest0-21swapper/321:20:153
71299120,11cyclictest0-21swapper/300:06:383
71199129,2cyclictest0-21swapper/221:40:272
71199128,2cyclictest0-21swapper/223:35:082
71199123,6cyclictest0-21swapper/219:50:402
71199120,11cyclictest0-21swapper/221:38:302
71099129,2cyclictest0-21swapper/123:50:221
71099129,2cyclictest0-21swapper/123:35:221
71099129,2cyclictest0-21swapper/123:00:111
71099127,3cyclictest12989-21munin-run19:39:591
71099121,9cyclictest17699-21diskstats21:10:141
71099121,9cyclictest10992-21apt-get22:10:111
71099121,9cyclictest0-21swapper/121:05:171
71099121,9cyclictest0-21swapper/120:05:171
71099121,9cyclictest0-21swapper/119:40:161
71099121,3cyclictest19440-21fschecks_count21:45:141
71099120,2cyclictest0-21swapper/123:55:501
71099120,2cyclictest0-21swapper/122:05:011
71099120,2cyclictest0-21swapper/121:55:171
71099120,2cyclictest0-21swapper/121:38:121
71099120,11cyclictest0-21swapper/122:26:031
71099120,11cyclictest0-21swapper/120:25:111
71099120,11cyclictest0-21swapper/120:20:171
71099120,11cyclictest0-21swapper/119:25:291
55202120,2sleep10-21swapper/121:30:241
325112120,2sleep10-21swapper/123:06:071
244552120,1sleep10-21swapper/100:38:141
71299118,2cyclictest0-21swapper/319:50:153
71299112,7cyclictest0-21swapper/320:41:023
71199116,3cyclictest8560-21grep19:26:042
71099118,2cyclictest0-21swapper/122:20:061
71099118,2cyclictest0-21swapper/120:31:021
71099116,3cyclictest7101-21munin-node1
71099116,3cyclictest2078-21tune2fs00:15:131
71099113,6cyclictest0-21swapper/123:10:181
71099113,2cyclictest0-21swapper/121:25:161
71099111,8cyclictest0-21swapper/120:40:121
71099111,2cyclictest5167-21apt-get19:20:101
71099111,2cyclictest0-21swapper/119:10:151
71099110,9cyclictest19243-21munin-node1
71099110,3cyclictest9182-21munin-node1
71099110,3cyclictest3082-21taskset20:35:131
71099110,2cyclictest0-21swapper/122:35:481
71099110,2cyclictest0-21swapper/121:20:141
71099110,10cyclictest0-21swapper/122:15:101
71299107,2cyclictest0-21swapper/320:50:113
71299102,5cyclictest0-21swapper/319:10:013
71299101,5cyclictest0-21swapper/319:25:123
71299100,9cyclictest0-21swapper/321:03:393
71299100,7cyclictest0-21swapper/319:49:583
71199107,2cyclictest0-21swapper/221:17:332
71199100,9cyclictest0-21swapper/222:23:532
71099107,2cyclictest0-21swapper/120:11:021
71099107,2cyclictest0-21swapper/119:15:401
71099105,3cyclictest26219-21grep00:06:041
71099101,3cyclictest0-21swapper/121:00:161
71099101,3cyclictest0-21swapper/120:55:151
71099101,3cyclictest0-21swapper/120:51:001
71099100,8cyclictest0-21swapper/122:55:181
7129994,3cyclictest9994-21grep19:30:173
7129994,3cyclictest5144-21gdbus19:20:033
7119996,2cyclictest0-21swapper/220:32:002
7119995,2cyclictest30629-21timerwakeupswit20:21:022
7129983,3cyclictest979-21aten2.4-expect20:30:123
7129980,6cyclictest27636-21sed20:15:143
7119983,3cyclictest9951-21load19:30:172
7119982,5cyclictest0-21swapper/220:41:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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