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2026-05-18 - 12:35

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 Mon May 18, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10727211997,16sleep30-21swapper/319:08:063
106642116105,6sleep20-21swapper/219:07:172
10601211295,12sleep10-21swapper/119:06:291
9085210479,6sleep00-21swapper/019:05:070
100192710,0sleep30-21swapper/320:25:183
18012680,0sleep20-21swapper/222:28:402
98862670,0sleep30-21swapper/300:25:143
10903993617,16cyclictest0-21swapper/222:10:112
33492270,0sleep00-21swapper/023:41:450
247592270,0sleep10-21swapper/122:17:531
46742250,2sleep3381ktimersoftd/300:20:013
10902992510,13cyclictest0-21swapper/120:50:121
90282240,0sleep20-21swapper/222:35:572
20012230,1sleep10-21swapper/122:29:031
170112230,1sleep217004-21ssh22:45:162
50832220,1sleep0101ktimersoftd/021:55:480
1090499210,2cyclictest0-21swapper/320:50:123
1090299210,19cyclictest0-21swapper/121:00:111
210062200,0sleep20-21swapper/223:25:152
1090499200,18cyclictest0-21swapper/321:35:123
1090199200,2cyclictest0-21swapper/019:30:110
95722180,0sleep10-21swapper/123:49:281
10903991815,2cyclictest683-21kworker/u8:221:34:022
10903991814,2cyclictest0-21swapper/222:15:132
1090399181,2cyclictest0-21swapper/223:35:122
1090499171,14cyclictest0-21swapper/300:05:153
1090299171,3cyclictest5507-21ssh00:20:151
1090499161,3cyclictest27065-21diskmemload22:55:153
10904991611,3cyclictest25106-21wc21:05:013
1090499160,14cyclictest20571-21apt-get22:50:053
10903991611,3cyclictest0-21swapper/221:20:152
1090399160,13cyclictest0-21swapper/200:33:012
10902991611,3cyclictest21065-21unixbench_multi00:01:051
10902991611,3cyclictest21065-21unixbench_multi00:01:041
1090199161,3cyclictest0-21swapper/023:15:130
1090199161,3cyclictest0-21swapper/022:10:150
1090199160,2cyclictest0-21swapper/023:35:120
1090499151,12cyclictest0-21swapper/321:24:223
10904991510,3cyclictest12700-21hddtemp_smartct22:40:153
1090399152,2cyclictest0-21swapper/223:45:052
10903991512,2cyclictest7448-21kworker/u8:122:40:052
10903991512,2cyclictest16697-21kworker/u8:200:01:052
10903991512,2cyclictest16697-21kworker/u8:200:01:042
10903991510,3cyclictest4976-21ssh00:20:122
1090299152,7cyclictest0-21swapper/120:40:001
10902991511,3cyclictest0-21swapper/119:45:191
1090299151,12cyclictest0-21swapper/120:40:171
1090199151,2cyclictest0-21swapper/022:15:120
1090199151,12cyclictest20199-21apt-get23:25:120
10901991510,3cyclictest0-21swapper/022:35:150
10901991510,3cyclictest0-21swapper/022:22:060
1090199150,13cyclictest0-21swapper/020:25:010
296242140,3sleep229637-21cron23:00:002
1090499149,3cyclictest0-21swapper/323:20:143
1090499141,3cyclictest12517-21sh21:29:143
10904991411,2cyclictest0-21swapper/319:15:143
10904991410,2cyclictest0-21swapper/322:30:173
1090499140,13cyclictest0-21swapper/323:25:143
1090499140,12cyclictest28951-21modprobe00:10:153
1090499140,12cyclictest12218-21ssh22:04:153
1090499140,12cyclictest0-21swapper/323:30:433
1090499140,12cyclictest0-21swapper/321:40:133
1090499140,12cyclictest0-21swapper/319:50:123
1090399149,3cyclictest22590-21aten2.4_r3power21:40:132
10903991411,2cyclictest28209-21kworker/u8:222:24:052
10903991411,2cyclictest21269-21kworker/u8:120:57:042
10903991411,2cyclictest13615-21kworker/u8:022:50:042
10903991411,2cyclictest0-21swapper/221:17:562
10903991411,2cyclictest0-21swapper/200:12:262
1090399140,9cyclictest0-21swapper/222:07:052
1090399140,3cyclictest0-21swapper/223:00:172
1090399140,12cyclictest21209-21munin-node2
1090399140,12cyclictest0-21swapper/220:40:122
1090399140,12cyclictest0-21swapper/200:07:572
1090399140,10cyclictest0-21swapper/222:02:012
1090299149,3cyclictest0-21swapper/123:10:001
1090299142,7cyclictest0-21swapper/120:00:001
1090299142,7cyclictest0-21swapper/119:45:011
1090299142,6cyclictest0-21swapper/121:45:011
10902991411,2cyclictest207150irq/24-eth121:54:511
10902991411,2cyclictest17264-21ssh00:33:421
10902991411,2cyclictest0-21swapper/121:31:321
10902991411,2cyclictest0-21swapper/100:27:411
10902991410,2cyclictest9684-21munin-node1
1090299140,3cyclictest0-21swapper/122:45:001
1090299140,2cyclictest0-21swapper/123:19:111
1090299140,2cyclictest0-21swapper/122:20:421
1090299140,2cyclictest0-21swapper/121:45:521
1090299140,13cyclictest0-21swapper/122:05:421
1090299140,12cyclictest0-21swapper/121:23:021
1090199149,3cyclictest9153-21ssh23:48:440
1090199149,3cyclictest0-21swapper/021:38:080
1090199142,7cyclictest8411-21sh21:25:010
1090199141,2cyclictest15682-21apt-get23:20:120
1090199140,3cyclictest6095-21pzem_power20:15:410
1090199140,13cyclictest0-21swapper/022:51:020
1090199140,12cyclictest8697-21ssh21:25:100
1090199140,12cyclictest21678-21ssh00:01:580
1090199140,12cyclictest21678-21ssh00:01:570
1090199140,12cyclictest0-21swapper/023:50:180
1090199140,12cyclictest0-21swapper/023:30:100
1090199140,12cyclictest0-21swapper/023:14:490
1090199140,12cyclictest0-21swapper/022:40:150
1090199140,12cyclictest0-21swapper/021:50:240
138792130,2sleep30-21swapper/323:17:333
1090499132,6cyclictest0-21swapper/320:10:003
1090499132,6cyclictest0-21swapper/320:00:003
10904991310,2cyclictest0-21swapper/322:28:513
10904991310,2cyclictest0-21swapper/322:16:543
10904991310,2cyclictest0-21swapper/322:10:153
10904991310,2cyclictest0-21swapper/300:31:343
1090499130,2cyclictest340-21ssh23:02:423
1090499130,2cyclictest0-21swapper/321:10:563
1090499130,12cyclictest0-21swapper/323:35:173
1090499130,12cyclictest0-21swapper/321:56:343
1090499130,12cyclictest0-21swapper/321:54:443
1090499130,12cyclictest0-21swapper/321:15:543
1090499130,12cyclictest0-21swapper/320:15:143
1090499130,11cyclictest21430-21ssh00:38:083
1090499130,11cyclictest0-21swapper/323:46:193
1090499130,11cyclictest0-21swapper/320:10:123
10903991310,2cyclictest31288-21apt-get20:00:112
10903991310,2cyclictest2934-21kworker/u8:120:11:042
10903991310,2cyclictest28209-21kworker/u8:222:34:052
10903991310,2cyclictest24982-21kworker/u8:221:10:042
10903991310,2cyclictest24982-21kworker/u8:221:09:052
10903991310,2cyclictest17380-21kworker/u8:220:53:052
10903991310,2cyclictest11185-21kworker/u8:023:31:052
1090399130,8cyclictest0-21swapper/219:50:052
1090399130,2cyclictest0-21swapper/220:15:132
1090399130,2cyclictest0-21swapper/219:40:142
1090399130,12cyclictest0-21swapper/221:55:162
1090399130,12cyclictest0-21swapper/221:45:122
1090299132,6cyclictest0-21swapper/123:55:001
1090299132,6cyclictest0-21swapper/123:15:011
1090299131,3cyclictest0-21swapper/123:00:191
10902991311,1cyclictest0-21swapper/122:00:111
10902991310,2cyclictest0-21swapper/123:55:161
10902991310,2cyclictest0-21swapper/123:35:401
10902991310,2cyclictest0-21swapper/122:10:301
10902991310,2cyclictest0-21swapper/121:40:001
10902991310,2cyclictest0-21swapper/121:15:231
10902991310,2cyclictest0-21swapper/121:11:011
10902991310,2cyclictest0-21swapper/120:45:111
10902991310,2cyclictest0-21swapper/119:30:491
10902991310,2cyclictest0-21swapper/100:08:021
1090299130,2cyclictest207150irq/24-eth123:30:451
1090299130,2cyclictest0-21swapper/120:10:121
1090299130,12cyclictest0-21swapper/123:43:211
1090299130,12cyclictest0-21swapper/100:39:111
1090299130,11cyclictest0-21swapper/120:55:181
1090299130,11cyclictest0-21swapper/100:15:511
1090199139,2cyclictest0-21swapper/022:08:150
1090199132,6cyclictest0-21swapper/021:05:000
1090199132,6cyclictest0-21swapper/000:30:010
1090199131,7cyclictest27065-21diskmemload23:00:010
10901991310,2cyclictest22150irq/25-ahci[00019:35:060
10901991310,2cyclictest0-21swapper/021:45:130
1090199130,3cyclictest25926-21ssh21:43:380
1090199130,2cyclictest0-21swapper/019:51:040
1090199130,2cyclictest0-21swapper/000:29:260
1090199130,12cyclictest0-21swapper/023:07:020
1090199130,12cyclictest0-21swapper/022:03:220
1090199130,11cyclictest0-21swapper/000:05:490
103062131,8sleep210544-21df23:50:142
1090499129,2cyclictest0-21swapper/323:50:183
1090499129,2cyclictest0-21swapper/322:48:293
1090499129,2cyclictest0-21swapper/321:45:313
1090499127,3cyclictest27065-21diskmemload22:05:113
1090499120,2cyclictest0-21swapper/321:30:303
1090499120,2cyclictest0-21swapper/321:05:193
1090499120,2cyclictest0-21swapper/320:35:173
1090499120,11cyclictest0-21swapper/323:56:203
1090499120,11cyclictest0-21swapper/323:40:193
1090499120,11cyclictest0-21swapper/323:05:173
1090499120,11cyclictest0-21swapper/322:35:593
1090499120,11cyclictest0-21swapper/322:20:413
1090499120,11cyclictest0-21swapper/320:40:193
1090499120,11cyclictest0-21swapper/300:20:023
1090499120,10cyclictest20615-21ssh00:00:473
1090499120,10cyclictest20615-21ssh00:00:463
1090399129,2cyclictest21269-21kworker/u8:121:01:052
1090399129,2cyclictest0-21swapper/223:13:182
1090399129,2cyclictest0-21swapper/223:07:532
1090399129,2cyclictest0-21swapper/220:25:162
1090399129,2cyclictest0-21swapper/220:20:192
1090399129,2cyclictest0-21swapper/219:25:172
1090399129,2cyclictest0-21swapper/219:10:132
1090399129,2cyclictest0-21swapper/200:15:232
1090399121,9cyclictest0-21swapper/219:20:292
1090399120,2cyclictest17876-21ssh21:35:052
1090399120,2cyclictest0-21swapper/223:16:022
1090399120,2cyclictest0-21swapper/219:16:052
1090399120,11cyclictest0-21swapper/223:55:152
1090399120,11cyclictest0-21swapper/223:20:462
1090399120,11cyclictest0-21swapper/221:26:112
1090399120,11cyclictest0-21swapper/220:35:152
1090299129,2cyclictest0-21swapper/122:36:091
1090299129,2cyclictest0-21swapper/120:30:011
1090299128,2cyclictest27646-21diskstats19:50:151
1090299121,9cyclictest27219-21unixbench_multi22:56:031
1090299121,9cyclictest0-21swapper/122:45:141
1090299121,9cyclictest0-21swapper/120:15:131
1090299121,9cyclictest0-21swapper/119:35:141
1090299121,9cyclictest0-21swapper/119:25:141
1090299121,9cyclictest0-21swapper/119:16:051
1090299121,3cyclictest0-21swapper/123:21:021
1090299120,2cyclictest0-21swapper/121:55:181
1090299120,2cyclictest0-21swapper/100:10:151
1090299120,11cyclictest0-21swapper/123:26:181
1090299120,11cyclictest0-21swapper/122:54:231
1090299120,11cyclictest0-21swapper/120:00:121
1090199129,2cyclictest0-21swapper/023:03:040
1090199129,2cyclictest0-21swapper/022:46:290
1090199129,2cyclictest0-21swapper/020:01:010
1090199129,2cyclictest0-21swapper/019:41:040
1090199127,3cyclictest13083-21cut19:14:590
1090199123,5cyclictest0-21swapper/020:11:000
1090199122,6cyclictest0-21swapper/020:31:050
1090199122,5cyclictest0-21swapper/019:30:000
1090199120,2cyclictest0-21swapper/022:25:070
1090199120,2cyclictest0-21swapper/021:30:360
1090199120,2cyclictest0-21swapper/021:10:190
1090199120,2cyclictest0-21swapper/020:36:040
1090199120,11cyclictest0-21swapper/023:55:580
1090199120,11cyclictest0-21swapper/021:16:310
1090199120,11cyclictest0-21swapper/020:40:140
1090199120,11cyclictest0-21swapper/000:35:170
1090199120,11cyclictest0-21swapper/000:15:400
1090199120,11cyclictest0-21swapper/000:10:400
34512110,2sleep20-21swapper/223:41:562
1090499118,2cyclictest0-21swapper/323:10:283
1090499118,2cyclictest0-21swapper/319:20:173
1090499112,6cyclictest0-21swapper/319:15:003
1090499112,5cyclictest0-21swapper/320:50:003
1090499112,5cyclictest0-21swapper/319:50:013
1090499110,2cyclictest0-21swapper/320:20:203
1090399118,2cyclictest0-21swapper/200:35:172
1090399110,2cyclictest0-21swapper/221:50:032
1090399110,2cyclictest0-21swapper/220:45:042
1090399110,2cyclictest0-21swapper/220:30:052
1090399110,10cyclictest0-21swapper/200:28:002
1090299118,2cyclictest0-21swapper/119:20:171
1090299111,8cyclictest9622-21perl20:25:141
1090299111,8cyclictest11641-21perl19:10:141
1090299110,9cyclictest25575-21cpuspeed_turbos21:05:151
1090299110,10cyclictest0-21swapper/122:34:141
1090199118,2cyclictest0-21swapper/022:31:410
1090199118,2cyclictest0-21swapper/020:25:170
1090199112,6cyclictest0-21swapper/021:06:020
1090199112,6cyclictest0-21swapper/019:46:010
1090199111,6cyclictest0-21swapper/020:46:030
1090199110,10cyclictest0-21swapper/000:23:250
1090499105,3cyclictest195202sleep319:30:123
1090499105,3cyclictest16940-21sh19:29:553
1090499100,6cyclictest0-21swapper/319:41:003
1090399105,3cyclictest20380-21wc19:31:012
1090299102,7cyclictest0-21swapper/120:20:011
1090299100,8cyclictest868-21munin-node1
1090199107,2cyclictest0-21swapper/020:05:190
1090199107,2cyclictest0-21swapper/019:16:030
1090199105,3cyclictest21147-21grep20:55:010
1090199100,9cyclictest0-21swapper/020:55:140
109049994,3cyclictest21953-21cat20:55:153
109049994,3cyclictest21364-21aten2.4-expect19:35:133
109049994,3cyclictest11350-21cpu20:30:133
109039995,2cyclictest966-21telnet20:05:142
109039992,6cyclictest0-21swapper/219:56:012
109039991,4cyclictest27038-21munin-run19:49:592
109019994,3cyclictest16465-21ls19:21:030
109019991,5cyclictest0-21swapper/019:55:030
109049983,3cyclictest31325-21aten2.4_r3power20:00:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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