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2026-05-14 - 06:53

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 Thu May 14, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24066212399,19sleep30-21swapper/319:05:543
24556212099,16sleep00-21swapper/019:07:070
24528211193,13sleep20-21swapper/219:06:452
1027921090,6sleep12480799cyclictest23:31:001
24592210796,6sleep10-21swapper/119:07:361
193462920,1sleep019343-21ssh21:20:200
79272760,0sleep10-21swapper/121:05:181
207292720,0sleep20-21swapper/222:32:132
136882720,2sleep011-21rcuc/021:50:090
16942680,0sleep10-21swapper/121:36:081
261862650,0sleep30-21swapper/322:03:243
2480699300,2cyclictest0-21swapper/020:45:130
78352250,1sleep00-21swapper/000:03:540
73712240,0sleep00-21swapper/022:17:550
313772240,1sleep20-21swapper/223:19:472
2480699222,7cyclictest0-21swapper/022:41:010
2480699222,5cyclictest0-21swapper/022:31:020
2480899210,19cyclictest0-21swapper/220:10:112
24807992118,2cyclictest0-21swapper/122:05:111
2480799210,19cyclictest0-21swapper/100:05:091
2480699200,2cyclictest0-21swapper/022:20:110
222242200,1sleep30-21swapper/322:34:503
24809991915,2cyclictest4246-21sh22:15:113
2480699192,7cyclictest0-21swapper/022:49:590
2480699190,2cyclictest0-21swapper/023:43:550
2480699190,2cyclictest0-21swapper/022:52:000
2480799183,13cyclictest0-21swapper/122:37:391
24807991812,5cyclictest0-21swapper/121:56:301
2480799180,16cyclictest0-21swapper/119:55:111
2480699188,2cyclictest0-21swapper/020:15:060
2480699185,3cyclictest2407-21cron19:35:000
2480699182,4cyclictest0-21swapper/022:40:000
2480699181,7cyclictest0-21swapper/020:42:590
24806991810,7cyclictest8734-21diskmemload21:37:020
28852170,0sleep20-21swapper/223:23:432
2480999170,15cyclictest0-21swapper/323:44:553
24808991714,2cyclictest6937-21kworker/u8:121:12:012
2480799175,10cyclictest4821-21munin-node1
2480799174,11cyclictest27285-21munin-node1
2480799174,11cyclictest0-21swapper/119:50:091
2480799172,14cyclictest0-21swapper/121:26:281
24807991713,3cyclictest0-21swapper/122:30:201
24807991713,3cyclictest0-21swapper/122:19:271
24807991713,3cyclictest0-21swapper/100:03:201
2480799170,2cyclictest0-21swapper/123:20:121
2480699179,7cyclictest8734-21diskmemload00:26:240
2480699179,2cyclictest0-21swapper/023:50:030
2480699178,2cyclictest8734-21diskmemload23:47:080
2480699178,2cyclictest0-21swapper/022:25:220
2480699177,2cyclictest0-21swapper/021:49:030
2480699177,2cyclictest0-21swapper/000:38:320
2480699176,2cyclictest0-21swapper/020:35:120
2480699175,3cyclictest3728-21runrttasks22:57:120
2480699175,3cyclictest24840-21ssh23:11:430
2480699175,3cyclictest23272-21grep00:20:140
2480699174,3cyclictest8734-21diskmemload23:05:460
2480699172,4cyclictest5122-21grep23:25:170
2480699172,4cyclictest22546-21touch22:00:000
24806991712,3cyclictest0-21swapper/000:12:120
2480699171,14cyclictest0-21swapper/022:11:020
2480699170,9cyclictest0-21swapper/021:31:530
2480699170,7cyclictest0-21swapper/020:03:590
2480699170,2cyclictest0-21swapper/022:06:370
2480699170,2cyclictest0-21swapper/000:15:010
2480699170,15cyclictest0-21swapper/021:10:060
2480699170,11cyclictest0-21swapper/019:15:140
2480999161,3cyclictest0-21swapper/322:25:133
24808991613,2cyclictest29114-21kworker/u8:122:41:042
24808991613,2cyclictest14636-21kworker/u8:023:50:042
2480899160,15cyclictest0-21swapper/222:03:032
2480799166,8cyclictest14312-21wc22:25:161
2480799165,9cyclictest0-21swapper/120:10:131
2480799165,4cyclictest31874-21latency_hist21:35:001
2480799164,10cyclictest0-21swapper/123:15:121
2480799164,10cyclictest0-21swapper/122:45:401
2480799164,10cyclictest0-21swapper/120:46:031
2480799163,12cyclictest0-21swapper/119:35:501
2480799163,11cyclictest0-21swapper/119:30:111
2480799162,4cyclictest0-21swapper/100:25:311
2480799162,13cyclictest0-21swapper/120:35:121
24807991613,2cyclictest0-21swapper/121:47:501
24807991612,3cyclictest0-21swapper/123:46:211
24807991612,3cyclictest0-21swapper/123:38:091
24807991612,3cyclictest0-21swapper/100:32:311
24807991612,3cyclictest0-21swapper/100:32:301
24807991611,4cyclictest0-21swapper/123:59:101
24807991611,4cyclictest0-21swapper/121:43:481
2480699169,6cyclictest0-21swapper/021:25:240
2480699168,2cyclictest0-21swapper/020:50:050
2480699167,2cyclictest4746-21copy21:00:040
2480699167,2cyclictest0-21swapper/020:10:120
2480699165,3cyclictest22965-21aten2.4_r3power22:00:120
2480699164,3cyclictest3535-21gdbus20:05:040
2480699164,3cyclictest31985-21aten2.4_r3power23:20:130
2480699164,3cyclictest15451-21chrt23:01:290
2480699164,2cyclictest0-21swapper/019:12:580
2480699163,3cyclictest8946-21sh00:05:110
2480699163,3cyclictest8435-21chrt21:06:170
2480699163,3cyclictest6370-21awk21:41:020
2480699163,3cyclictest3728-21runrttasks19:40:130
2480699163,3cyclictest335-21cat00:30:160
2480699163,3cyclictest335-21cat00:30:160
2480699163,3cyclictest29438-21sed19:20:130
2480699163,3cyclictest25354-21df_abs20:30:120
2480699163,3cyclictest15177-21sendmail_mailqu21:16:020
2480699163,3cyclictest15177-21sendmail_mailqu21:16:020
2480699163,3cyclictest15008-21switchtime23:36:030
2480699162,4cyclictest27485-21tr23:15:130
2480699161,6cyclictest0-21swapper/019:51:060
2480999153,7cyclictest26891-21copy20:35:003
2480999151,12cyclictest13597-21df23:00:133
24809991510,3cyclictest0-21swapper/323:13:233
2480899151,3cyclictest0-21swapper/200:19:312
24808991512,2cyclictest6937-21kworker/u8:121:34:012
24808991512,2cyclictest1395-21kworker/u8:222:58:012
2480899150,2cyclictest0-21swapper/223:26:042
2480899150,12cyclictest0-21swapper/220:20:042
2480799155,8cyclictest19175-21pzem_energy23:40:271
2480799155,8cyclictest0-21swapper/121:11:021
2480799155,3cyclictest0-21swapper/121:01:031
2480799154,9cyclictest0-21swapper/123:25:141
2480799154,9cyclictest0-21swapper/122:50:151
2480799154,9cyclictest0-21swapper/120:40:141
2480799154,9cyclictest0-21swapper/119:45:141
2480799154,4cyclictest0-21swapper/100:20:121
2480799153,10cyclictest25034-21munin-node1
2480799152,11cyclictest0-21swapper/120:15:121
2480799151,13cyclictest0-21swapper/123:07:271
2480799151,13cyclictest0-21swapper/122:14:251
2480799151,13cyclictest0-21swapper/120:25:181
2480799151,13cyclictest0-21swapper/100:17:101
2480799151,12cyclictest20740-21ssh21:21:581
2480799151,12cyclictest13269-21apt23:00:111
24807991511,2cyclictest0-21swapper/121:50:101
2480699154,3cyclictest4265-21head20:56:020
2480699153,3cyclictest23683-21interrupts20:25:160
308892140,1sleep3381ktimersoftd/319:25:003
2480999142,7cyclictest0-21swapper/321:55:013
2480999142,7cyclictest0-21swapper/321:45:013
2480999142,7cyclictest0-21swapper/300:15:003
2480999142,6cyclictest0-21swapper/322:00:013
2480999141,2cyclictest18709-21apt-get20:15:053
24808991411,2cyclictest7646-21kworker/u8:222:20:012
24808991411,2cyclictest28743-21kworker/u8:019:31:042
24808991411,2cyclictest27460-21kworker/u8:223:55:042
24808991411,2cyclictest26547-21kworker/u8:021:47:042
24808991411,2cyclictest2621-21kworker/u8:219:41:042
24808991411,2cyclictest24713-21kworker/u8:120:01:042
24808991411,2cyclictest23895-21kworker/u8:022:52:032
24808991411,2cyclictest14636-21kworker/u8:023:47:042
24808991411,2cyclictest13591-21kworker/u8:200:11:042
2480899141,11cyclictest26404-21ssh21:28:402
24808991410,2cyclictest10402-21sed23:31:012
2480899140,3cyclictest24239-21mailstats22:36:012
2480899140,12cyclictest3649-21snmpd00:06:112
2480899140,12cyclictest0-21swapper/223:05:442
2480899140,12cyclictest0-21swapper/200:25:482
2480799145,7cyclictest8734-21diskmemload22:00:201
2480799145,7cyclictest2802-21tail20:55:111
2480799144,8cyclictest0-21swapper/122:20:111
2480799144,8cyclictest0-21swapper/119:15:111
2480799143,9cyclictest0-21swapper/121:15:141
2480799143,9cyclictest0-21swapper/121:15:141
2480799143,9cyclictest0-21swapper/120:50:111
2480799143,9cyclictest0-21swapper/120:20:121
2480799143,9cyclictest0-21swapper/120:05:131
2480799143,9cyclictest0-21swapper/119:20:121
2480799142,4cyclictest0-21swapper/122:55:121
2480799142,11cyclictest0-21swapper/122:43:221
2480799141,2cyclictest0-21swapper/123:13:491
2480699142,3cyclictest0-21swapper/019:30:000
24806991411,2cyclictest0-21swapper/023:30:120
2480699140,3cyclictest31970-21aten2.4_r3power23:55:120
173572140,2sleep20-21swapper/221:53:582
2480999138,3cyclictest0-21swapper/321:35:153
2480999132,6cyclictest0-21swapper/323:35:003
2480999132,6cyclictest0-21swapper/320:25:003
2480999132,6cyclictest0-21swapper/319:20:003
2480999132,5cyclictest0-21swapper/320:40:003
24809991310,2cyclictest0-21swapper/321:11:043
24809991310,2cyclictest0-21swapper/319:25:143
24809991310,2cyclictest0-21swapper/300:00:133
2480999130,2cyclictest0-21swapper/321:26:023
2480999130,2cyclictest0-21swapper/321:01:043
2480999130,12cyclictest8734-21diskmemload00:35:513
2480999130,12cyclictest0-21swapper/319:31:033
2480999130,11cyclictest0-21swapper/322:38:253
24808991310,2cyclictest29100-21kworker/u8:220:50:042
24808991310,2cyclictest28743-21kworker/u8:019:19:042
24808991310,2cyclictest27460-21kworker/u8:200:00:042
24808991310,2cyclictest2621-21kworker/u8:219:45:042
24808991310,2cyclictest2621-21kworker/u8:219:36:052
24808991310,2cyclictest24713-21kworker/u8:120:05:042
24808991310,2cyclictest24713-21kworker/u8:119:58:042
24808991310,2cyclictest1516-21kworker/u8:100:20:042
24808991310,2cyclictest14636-21kworker/u8:023:36:012
24808991310,2cyclictest0-21swapper/222:15:552
24808991310,2cyclictest0-21swapper/222:09:042
24808991310,2cyclictest0-21swapper/220:55:142
2480899130,2cyclictest0-21swapper/222:10:162
2480899130,2cyclictest0-21swapper/221:40:222
2480899130,2cyclictest0-21swapper/221:35:162
2480899130,11cyclictest6366-21ssh00:36:182
2480799135,6cyclictest4719-21munin-node1
2480799133,8cyclictest0-21swapper/100:10:181
2480799131,10cyclictest0-21swapper/119:25:121
2480699132,6cyclictest0-21swapper/019:40:000
2480699131,6cyclictest0-21swapper/019:46:020
2480699130,6cyclictest0-21swapper/019:55:090
311802120,2sleep331185-21ssh23:54:273
2480999129,2cyclictest0-21swapper/322:21:143
2480999127,3cyclictest4592-21cut23:25:133
2480999126,4cyclictest9096-21tr00:05:123
2480999122,7cyclictest0-21swapper/321:21:593
2480999122,7cyclictest0-21swapper/320:54:023
2480999121,6cyclictest0-21swapper/323:40:003
2480999121,6cyclictest0-21swapper/320:04:593
2480999120,2cyclictest0-21swapper/323:56:443
2480999120,2cyclictest0-21swapper/323:21:443
2480999120,2cyclictest0-21swapper/322:55:543
2480999120,2cyclictest0-21swapper/321:47:423
2480999120,2cyclictest0-21swapper/319:10:103
2480999120,11cyclictest0-21swapper/323:09:543
2480999120,11cyclictest0-21swapper/321:30:183
2480999120,10cyclictest0-21swapper/322:50:113
2480899129,2cyclictest29100-21kworker/u8:221:01:042
2480899129,2cyclictest24713-21kworker/u8:119:10:042
2480899129,2cyclictest20030-21kworker/u8:020:40:012
2480899129,2cyclictest20030-21kworker/u8:020:39:042
2480899129,2cyclictest0-21swapper/221:59:532
2480899129,2cyclictest0-21swapper/221:15:202
2480899129,2cyclictest0-21swapper/221:15:202
2480899129,2cyclictest0-21swapper/220:45:132
2480899129,2cyclictest0-21swapper/220:26:042
2480899122,7cyclictest0-21swapper/221:06:022
2480899122,7cyclictest0-21swapper/219:26:592
2480899120,2cyclictest0-21swapper/223:00:242
2480899120,2cyclictest0-21swapper/219:50:112
2480899120,11cyclictest725-21ssh00:30:352
2480899120,11cyclictest725-21ssh00:30:352
2480899120,11cyclictest644-21ssh22:45:362
2480899120,11cyclictest0-21swapper/223:40:052
2480899120,11cyclictest0-21swapper/223:10:052
2480899120,11cyclictest0-21swapper/222:25:432
2480899120,11cyclictest0-21swapper/221:20:192
2480799126,4cyclictest12932-21aten2.4-expect20:00:121
2480799125,5cyclictest25305-21tr19:10:131
2480999118,2cyclictest0-21swapper/323:45:453
2480999118,2cyclictest0-21swapper/300:15:323
2480999116,3cyclictest3105-21df_abs20:55:123
2480999112,6cyclictest0-21swapper/322:40:023
2480999110,9cyclictest29541-21ssh22:06:183
2480999110,10cyclictest0-21swapper/323:16:123
2480999110,10cyclictest0-21swapper/322:11:053
2480999110,10cyclictest0-21swapper/321:15:033
2480999110,10cyclictest0-21swapper/321:15:033
2480999110,10cyclictest0-21swapper/300:27:043
2480899118,2cyclictest0-21swapper/220:15:002
2480899110,10cyclictest0-21swapper/219:21:442
2480699118,2cyclictest0-21swapper/020:20:170
2480999105,3cyclictest31348-21tr20:45:143
2480999100,9cyclictest0-21swapper/322:45:433
2480999100,9cyclictest0-21swapper/300:22:353
2480999100,6cyclictest0-21swapper/321:06:003
2480899102,5cyclictest0-21swapper/220:31:592
248099996,2cyclictest0-21swapper/320:05:123
248099996,2cyclictest0-21swapper/319:50:123
248099994,3cyclictest8017-21switchtime19:46:033
248099994,3cyclictest4484-21chrt19:39:013
248099994,3cyclictest32035-21basename00:30:123
248099994,3cyclictest32035-21basename00:30:123
248099994,3cyclictest29314-21cpuspeed_turbos20:40:133
248099994,3cyclictest17826-21awk20:10:173
248099994,3cyclictest0-21swapper/319:55:133
248099992,6cyclictest0-21swapper/319:41:593
248099990,6cyclictest0-21swapper/320:25:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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