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2026-06-07 - 12:13

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 highest latencies:
System rack3slot6s.osadl.org (updated Sun Jun 07, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
54712113102,6sleep30-21swapper/319:09:063
5386210998,6sleep00-21swapper/019:07:590
5368210897,6sleep20-21swapper/219:07:452
5412210386,12sleep10-21swapper/119:08:201
132492690,0sleep00-21swapper/023:58:010
182612680,0sleep20-21swapper/223:28:182
316332660,0sleep30-21swapper/323:07:333
186482520,1sleep018646-21ssh23:28:560
556999391,36cyclictest0-21swapper/021:30:120
5572993717,18cyclictest0-21swapper/320:10:123
5570993617,18cyclictest0-21swapper/120:10:121
556999247,15cyclictest28806-21ssh23:05:110
242372230,1sleep30-21swapper/319:56:023
242372230,1sleep30-21swapper/319:56:013
556999222,7cyclictest20206-21diskmemload21:14:590
557099211,2cyclictest207150irq/24-eth123:30:111
5572992017,2cyclictest0-21swapper/322:35:113
236712190,0sleep00-21swapper/022:59:410
211332190,0sleep20-21swapper/222:55:582
5571991714,2cyclictest27464-21kworker/u8:122:07:042
557099171,2cyclictest0-21swapper/119:15:131
557299160,2cyclictest0-21swapper/322:15:063
5571991613,2cyclictest9777-21kworker/u8:222:25:042
5571991613,2cyclictest5813-21kworker/u8:023:18:042
5571991613,2cyclictest31240-21kworker/u8:123:46:052
5571991613,2cyclictest23873-21kworker/u8:100:22:042
5571991613,2cyclictest15185-21kworker/u8:221:44:012
5571991613,2cyclictest10104-21kworker/u8:021:38:052
557199161,2cyclictest14871-21apt-get22:15:062
5570991611,3cyclictest0-21swapper/100:39:151
119672160,1sleep311973-21unixbench_multi23:56:033
557299151,12cyclictest21447-21ssh00:06:183
557299150,3cyclictest28724-21cpu00:15:123
557299150,13cyclictest3580-21mailstats21:26:013
557299150,13cyclictest0-21swapper/322:00:133
557199151,3cyclictest7202-21diskstats21:30:142
557199151,2cyclictest0-21swapper/223:43:042
5571991512,2cyclictest9455-21kworker/u8:219:21:052
5571991512,2cyclictest4982-21kworker/u8:020:58:022
5571991512,2cyclictest4982-21kworker/u8:020:48:022
5571991512,2cyclictest31240-21kworker/u8:123:52:022
5571991512,2cyclictest31149-21kworker/u8:022:36:052
5571991512,2cyclictest29285-21kworker/u8:222:01:042
5571991512,2cyclictest29285-21kworker/u8:221:58:022
5571991512,2cyclictest19192-21kworker/u8:220:19:042
5571991512,2cyclictest16523-21kworker/u8:122:52:012
557199151,12cyclictest13055-21ssh00:32:312
557099152,2cyclictest207150irq/24-eth122:03:261
557099151,3cyclictest20884-21sort21:45:151
557099151,2cyclictest0-21swapper/122:20:161
5570991510,3cyclictest29489-21iostat_ios23:40:171
557099150,3cyclictest0-21swapper/119:36:021
557099150,2cyclictest0-21swapper/122:44:341
557099150,14cyclictest0-21swapper/120:25:131
557099150,13cyclictest0-21swapper/123:50:141
557099150,13cyclictest0-21swapper/122:45:161
557099150,13cyclictest0-21swapper/122:35:451
557099150,13cyclictest0-21swapper/122:16:541
557099150,13cyclictest0-21swapper/122:12:151
556999152,7cyclictest0-21swapper/020:30:000
556999150,4cyclictest1655-21sh20:20:180
556999150,13cyclictest0-21swapper/022:40:120
556999150,13cyclictest0-21swapper/020:40:110
557299149,3cyclictest0-21swapper/321:39:223
557299142,7cyclictest19733-21ssh21:45:003
5572991411,2cyclictest0-21swapper/321:55:173
5572991411,2cyclictest0-21swapper/321:45:273
557299140,13cyclictest0-21swapper/323:36:173
557299140,12cyclictest16953-21ssh00:36:213
557299140,12cyclictest0-21swapper/319:15:153
5571991411,2cyclictest9777-21kworker/u8:222:23:052
5571991411,2cyclictest5514-21kworker/u8:219:11:052
5571991411,2cyclictest30957-21kworker/u8:000:17:052
5571991411,2cyclictest28089-21kworker/u8:020:07:052
5571991411,2cyclictest28089-21kworker/u8:020:02:042
5571991411,2cyclictest28089-21kworker/u8:019:19:042
5571991411,2cyclictest27464-21kworker/u8:121:52:012
5571991411,2cyclictest27464-21kworker/u8:121:19:042
5571991411,2cyclictest26684-21kworker/u8:123:04:052
5571991411,2cyclictest25675-21kworker/u8:023:39:052
5571991411,2cyclictest17926-21kworker/u8:221:20:052
5571991411,2cyclictest17856-21kworker/u8:200:12:042
5571991411,2cyclictest16523-21kworker/u8:122:40:042
557199140,2cyclictest0-21swapper/223:58:042
557199140,13cyclictest0-21swapper/221:45:052
557199140,12cyclictest16134-21pzem_power00:35:392
557199140,12cyclictest0-21swapper/223:05:292
5570991411,2cyclictest0-21swapper/123:27:451
5570991411,2cyclictest0-21swapper/121:56:341
5570991411,2cyclictest0-21swapper/100:21:441
557099140,13cyclictest0-21swapper/123:58:141
557099140,13cyclictest0-21swapper/123:18:241
557099140,13cyclictest0-21swapper/122:26:251
556999149,3cyclictest3649-21snmpd20:06:080
556999141,11cyclictest22080-21ssh23:31:580
556999140,3cyclictest0-21swapper/023:54:380
556999140,2cyclictest0-21swapper/022:35:070
557299139,2cyclictest19315-21ssh22:54:553
557299138,3cyclictest7763-21ssh23:51:323
557299132,7cyclictest20206-21diskmemload21:14:593
557299132,6cyclictest0-21swapper/319:45:003
557299132,6cyclictest0-21swapper/319:40:013
5572991310,2cyclictest0-21swapper/323:47:283
5572991310,2cyclictest0-21swapper/322:20:193
5572991310,2cyclictest0-21swapper/321:16:223
5572991310,2cyclictest0-21swapper/300:32:163
557299130,2cyclictest0-21swapper/323:43:253
557299130,2cyclictest0-21swapper/321:33:273
557299130,2cyclictest0-21swapper/300:12:063
557299130,12cyclictest0-21swapper/323:30:183
557299130,12cyclictest0-21swapper/321:52:463
557299130,12cyclictest0-21swapper/300:25:373
5571991310,2cyclictest28089-21kworker/u8:019:45:052
5571991310,2cyclictest20206-21diskmemload22:30:102
5571991310,2cyclictest19192-21kworker/u8:220:20:052
5571991310,2cyclictest19192-21kworker/u8:219:50:042
5571991310,2cyclictest13221-21kworker/u8:123:24:042
5571991310,2cyclictest11316-21kworker/u8:000:07:042
5571991310,2cyclictest0-21swapper/221:25:422
5571991310,2cyclictest0-21swapper/220:41:032
557199130,2cyclictest0-21swapper/223:34:532
557199130,2cyclictest0-21swapper/221:10:102
557199130,2cyclictest0-21swapper/200:00:122
557199130,12cyclictest0-21swapper/222:10:022
557099138,4cyclictest0-21swapper/100:30:551
557099132,6cyclictest0-21swapper/120:50:011
5570991310,2cyclictest0-21swapper/100:15:121
5570991310,2cyclictest0-21swapper/100:09:541
5570991310,2cyclictest0-21swapper/100:02:351
557099130,2cyclictest0-21swapper/122:56:031
557099130,12cyclictest0-21swapper/123:23:141
557099130,12cyclictest0-21swapper/123:02:351
557099130,12cyclictest0-21swapper/122:34:091
557099130,12cyclictest0-21swapper/122:07:441
557099130,12cyclictest0-21swapper/121:37:151
557099130,12cyclictest0-21swapper/121:12:291
557099130,11cyclictest3954-21ssh23:12:421
557099130,11cyclictest0-21swapper/119:10:401
556999138,3cyclictest0-21swapper/019:25:000
556999132,6cyclictest0-21swapper/022:15:010
556999131,8cyclictest20206-21diskmemload00:06:570
5569991310,2cyclictest0-21swapper/022:47:570
5569991310,2cyclictest0-21swapper/021:35:490
556999130,2cyclictest0-21swapper/022:54:180
556999130,11cyclictest0-21swapper/022:28:470
556999130,11cyclictest0-21swapper/021:45:170
557299129,2cyclictest0-21swapper/323:20:113
557299129,2cyclictest0-21swapper/323:19:273
557299129,2cyclictest0-21swapper/322:47:053
557299129,2cyclictest0-21swapper/322:25:423
557299129,2cyclictest0-21swapper/322:12:473
557299129,2cyclictest0-21swapper/321:00:133
557299129,2cyclictest0-21swapper/319:45:153
557299129,2cyclictest0-21swapper/319:30:143
557299129,2cyclictest0-21swapper/319:20:123
557299128,2cyclictest0-21swapper/320:50:183
557299122,6cyclictest0-21swapper/320:40:003
557299120,2cyclictest0-21swapper/321:21:153
557299120,1cyclictest20206-21diskmemload00:00:153
557299120,11cyclictest16074-21ssh23:25:233
557299120,11cyclictest0-21swapper/323:11:053
557299120,11cyclictest0-21swapper/323:02:013
557299120,11cyclictest0-21swapper/322:57:483
557299120,11cyclictest0-21swapper/322:30:393
557299120,11cyclictest0-21swapper/322:05:003
557299120,11cyclictest0-21swapper/300:20:583
557199129,2cyclictest3891-21kworker/u8:200:25:052
557199129,2cyclictest28089-21kworker/u8:019:40:042
557199129,2cyclictest26684-21kworker/u8:123:11:052
557199129,2cyclictest19192-21kworker/u8:220:28:052
557199129,2cyclictest14711-21kworker/u8:121:08:042
557199120,2cyclictest0-21swapper/220:14:042
557199120,2cyclictest0-21swapper/219:55:182
557199120,2cyclictest0-21swapper/219:55:172
557199120,11cyclictest0-21swapper/222:46:322
557199120,11cyclictest0-21swapper/220:31:022
557199120,11cyclictest0-21swapper/219:36:012
557099129,2cyclictest6916-21aten2.4_r3power21:30:131
557099129,2cyclictest20206-21diskmemload00:25:491
557099129,2cyclictest0-21swapper/123:35:111
557099129,2cyclictest0-21swapper/123:05:181
557099129,2cyclictest0-21swapper/122:51:051
557099129,2cyclictest0-21swapper/121:51:251
557099129,2cyclictest0-21swapper/121:41:141
557099129,2cyclictest0-21swapper/120:15:121
557099128,2cyclictest10611-21seq19:21:001
557099128,2cyclictest0-21swapper/120:51:021
557099127,3cyclictest0-21swapper/121:16:041
557099127,3cyclictest0-21swapper/100:10:141
557099121,9cyclictest0-21swapper/120:55:151
557099120,2cyclictest0-21swapper/123:46:071
557099120,2cyclictest0-21swapper/121:25:201
557099120,2cyclictest0-21swapper/121:20:051
557099120,2cyclictest0-21swapper/120:00:161
556999129,2cyclictest0-21swapper/023:47:370
556999129,2cyclictest0-21swapper/023:44:370
556999129,2cyclictest0-21swapper/023:36:260
556999129,2cyclictest0-21swapper/023:20:070
556999129,2cyclictest0-21swapper/022:18:480
556999129,2cyclictest0-21swapper/021:52:280
556999129,2cyclictest0-21swapper/019:15:080
556999129,2cyclictest0-21swapper/000:19:190
556999122,6cyclictest0-21swapper/022:05:010
556999121,6cyclictest0-21swapper/021:44:590
556999121,6cyclictest0-21swapper/000:10:000
556999120,2cyclictest0-21swapper/021:26:280
556999120,2cyclictest0-21swapper/020:36:030
556999120,2cyclictest0-21swapper/020:10:520
556999120,2cyclictest0-21swapper/000:30:180
556999120,11cyclictest8401-21ssh23:17:170
556999120,11cyclictest23853-21ssh21:13:190
556999120,11cyclictest0-21swapper/023:10:080
556999120,11cyclictest0-21swapper/022:34:380
556999120,11cyclictest0-21swapper/022:22:180
556999120,11cyclictest0-21swapper/022:07:070
556999120,11cyclictest0-21swapper/021:58:110
556999120,11cyclictest0-21swapper/020:00:500
556999120,11cyclictest0-21swapper/000:20:150
556999120,11cyclictest0-21swapper/000:03:580
556999120,10cyclictest0-21swapper/000:35:230
557299118,2cyclictest0-21swapper/320:46:053
557299118,2cyclictest0-21swapper/320:20:113
557299110,10cyclictest0-21swapper/322:42:113
557299110,10cyclictest0-21swapper/320:25:113
557199110,2cyclictest0-21swapper/220:52:042
557099116,3cyclictest17114-21munin-node1
557099116,3cyclictest0-21swapper/120:40:181
557099111,8cyclictest0-21swapper/120:05:181
557099111,5cyclictest0-21swapper/120:00:011
557099111,5cyclictest0-21swapper/120:00:001
557099111,3cyclictest21804-21iostat_ios19:50:161
557099110,9cyclictest4985-21munin-node1
557099110,9cyclictest18416-21munin-node1
557099110,3cyclictest0-21swapper/120:21:031
557099110,3cyclictest0-21swapper/119:25:131
556999118,2cyclictest0-21swapper/021:00:190
556999118,2cyclictest0-21swapper/020:55:130
556999112,6cyclictest0-21swapper/019:39:590
556999111,6cyclictest0-21swapper/023:00:110
556999111,6cyclictest0-21swapper/021:21:230
556999111,6cyclictest0-21swapper/019:56:070
556999111,6cyclictest0-21swapper/019:56:060
556999110,1cyclictest0-21swapper/000:25:390
556999110,10cyclictest0-21swapper/020:45:160
557299107,2cyclictest0-21swapper/320:15:173
557299107,2cyclictest0-21swapper/319:10:173
557299105,3cyclictest9666-21needreboot20:40:173
557299105,3cyclictest5516-21fschecks_time20:30:163
557199102,7cyclictest0-21swapper/219:30:012
557199100,9cyclictest0-21swapper/219:26:052
557199100,2cyclictest0-21swapper/221:00:042
557199100,2cyclictest0-21swapper/220:38:022
557099105,3cyclictest19689-21munin-node1
557099100,8cyclictest0-21swapper/120:35:101
556999107,2cyclictest0-21swapper/019:50:170
556999107,2cyclictest0-21swapper/019:10:180
556999102,5cyclictest0-21swapper/021:06:580
55729994,3cyclictest3728-21runrttasks20:06:403
55729994,3cyclictest18653-21tr21:05:143
55729994,3cyclictest16654-21latency_hist21:00:003
55729991,3cyclictest0-21swapper/319:50:153
55709996,2cyclictest0-21swapper/119:30:121
55709990,8cyclictest0-21swapper/121:00:521
55699994,3cyclictest5211-21cpuspeed_turbos20:30:130
55699994,3cyclictest3728-21runrttasks20:51:130
55699994,3cyclictest32319-21sendmail_mailtr20:16:010
55699994,3cyclictest19141-21cut19:45:110
55699994,3cyclictest12847-21grep19:26:030
55699990,3cyclictest14869-21cron19:35:000
55729984,2cyclictest11610-21aten2.4_r3power19:25:123
55729983,3cyclictest25452-21expr20:00:133
55699984,2cyclictest17709-21hwlatdetect19:40:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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