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2025-12-07 - 15:59

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 Dec 07, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11804211996,17sleep10-21swapper/107:09:521
11801211088,17sleep30-21swapper/307:09:503
11460210988,16sleep20-21swapper/207:05:292
11659210885,18sleep00-21swapper/007:08:030
1014021070,0sleep00-21swapper/011:43:300
162702660,1sleep00-21swapper/011:50:150
142592590,0sleep00-21swapper/009:29:180
1184199272,5cyclictest0-21swapper/007:55:590
63272250,1sleep00-21swapper/008:15:130
11842992320,2cyclictest31071-21kworker/u8:009:56:011
11841992219,2cyclictest19609-21kworker/u8:310:16:050
1184199220,5cyclictest0-21swapper/011:59:040
11842992114,6cyclictest332250irq/24-eth111:34:031
11841992118,2cyclictest9810-21kworker/u8:009:37:040
11841992118,2cyclictest3690-21kworker/u8:011:36:050
11841992118,2cyclictest19121-21kworker/u8:212:04:010
1184199211,2cyclictest0-21swapper/008:05:120
1184199210,5cyclictest0-21swapper/007:15:590
75362200,1sleep00-21swapper/009:55:270
11841992017,2cyclictest8443-21kworker/u8:112:29:040
11841992017,2cyclictest31071-21kworker/u8:010:05:040
11841992017,2cyclictest15752-21kworker/u8:307:24:040
1184199200,15cyclictest0-21swapper/007:50:040
1184499190,2cyclictest0-21swapper/311:20:123
11841991916,2cyclictest29565-21kworker/u8:010:43:040
11841991916,2cyclictest17967-21kworker/u8:208:55:040
272262180,1sleep20-21swapper/209:42:302
11841991815,2cyclictest9810-21kworker/u8:009:40:040
11841991815,2cyclictest6466-21kworker/u8:311:27:040
1184199180,4cyclictest0-21swapper/007:41:590
1184199180,16cyclictest0-21swapper/012:05:040
1184199180,13cyclictest0-21swapper/010:22:040
11842991714,2cyclictest4796-21kworker/u8:210:28:051
11842991714,2cyclictest29565-21kworker/u8:010:42:051
1184199172,6cyclictest0-21swapper/007:25:590
11841991714,2cyclictest9991-21kworker/u8:008:26:010
11841991714,2cyclictest5987-21kworker/u8:207:11:040
11841991714,2cyclictest3550-21kworker/u8:108:21:040
11841991714,2cyclictest31071-21kworker/u8:010:03:040
11841991714,2cyclictest29565-21kworker/u8:010:33:030
11841991714,2cyclictest23801-21kworker/u8:012:12:040
11841991714,2cyclictest2040-21kworker/u8:212:19:040
1184199170,2cyclictest0-21swapper/011:34:040
1184199170,2cyclictest0-21swapper/011:24:010
1184199170,2cyclictest0-21swapper/011:09:050
1184199170,2cyclictest0-21swapper/010:27:040
11842991613,2cyclictest6466-21kworker/u8:311:42:061
11842991613,2cyclictest23222-21kworker/u8:210:55:041
11842991613,2cyclictest14594-21kworker/u8:109:32:041
11841991613,2cyclictest23675-21kworker/u8:207:48:010
11841991613,2cyclictest20178-21kworker/u8:107:31:040
11841991613,2cyclictest17967-21kworker/u8:208:45:040
11841991613,2cyclictest14594-21kworker/u8:109:31:040
1184199160,14cyclictest0-21swapper/009:21:560
1184199160,10cyclictest0-21swapper/009:14:050
26102151,3sleep30-21swapper/312:10:163
11844991510,3cyclictest18228-21sh08:45:003
1184499150,13cyclictest29968-21fschecks_count10:20:163
1184499150,13cyclictest0-21swapper/310:30:133
1184499150,13cyclictest0-21swapper/310:04:403
11843991512,2cyclictest0-21swapper/210:20:282
1184399151,12cyclictest29811-21ssh09:10:252
1184399151,12cyclictest11036-21cut10:00:142
11843991510,3cyclictest0-21swapper/209:34:012
1184399150,13cyclictest28336-21diskmemload12:10:182
1184399150,13cyclictest0-21swapper/210:28:382
1184299151,2cyclictest0-21swapper/111:28:051
11842991512,2cyclictest26175-21kworker/u8:009:16:031
11842991512,2cyclictest24547-21kworker/u8:109:50:011
11842991512,2cyclictest0-21swapper/110:20:001
1184299150,2cyclictest0-21swapper/112:13:041
11841991512,2cyclictest13879-21kworker/u8:308:34:040
11841991512,2cyclictest13624-21kworker/u8:011:48:040
1184199150,2cyclictest0-21swapper/010:46:050
1184199150,2cyclictest0-21swapper/008:44:030
1184199150,13cyclictest12505-21munin-node0
1184499148,4cyclictest0-21swapper/309:16:303
11844991411,2cyclictest28336-21diskmemload11:50:103
11844991411,2cyclictest0-21swapper/311:30:133
11844991411,2cyclictest0-21swapper/310:18:003
11844991410,2cyclictest0-21swapper/307:57:473
1184499140,12cyclictest0-21swapper/311:05:133
1184499140,12cyclictest0-21swapper/310:35:203
1184399149,3cyclictest0-21swapper/210:10:152
1184399142,6cyclictest10506-21ssh10:00:002
1184399141,2cyclictest10956-21ssh12:19:532
11843991411,2cyclictest0-21swapper/212:20:582
11843991411,2cyclictest0-21swapper/210:56:282
11843991411,2cyclictest0-21swapper/209:50:482
11843991411,2cyclictest0-21swapper/209:37:582
1184399140,3cyclictest28230-21date07:50:002
1184399140,3cyclictest27464-21ssh12:01:412
1184399140,3cyclictest0-21swapper/211:03:112
1184399140,2cyclictest0-21swapper/209:17:482
1184399140,13cyclictest0-21swapper/212:39:182
1184399140,12cyclictest0-21swapper/210:38:112
1184299141,3cyclictest0-21swapper/111:09:421
11842991411,2cyclictest29565-21kworker/u8:010:31:041
11842991411,2cyclictest19609-21kworker/u8:310:12:011
11842991411,2cyclictest0-21swapper/111:52:001
1184299141,11cyclictest19136-21cut07:25:221
11842991410,3cyclictest20557-21grep07:30:141
1184299140,2cyclictest29088-21apt-get10:20:051
1184299140,2cyclictest0-21swapper/111:15:281
1184299140,2cyclictest0-21swapper/109:45:201
1184199149,3cyclictest22216-21ssh12:30:380
11841991411,2cyclictest11840-21cyclictest09:17:590
11841991410,2cyclictest16745-21ntp_kernel_pll_11:15:190
11841991410,2cyclictest0-21swapper/009:00:180
1184199140,2cyclictest0-21swapper/012:35:040
1184199140,2cyclictest0-21swapper/008:11:040
1184199140,12cyclictest0-21swapper/010:10:290
11844991310,2cyclictest6768-21telnet11:40:103
11844991310,2cyclictest0-21swapper/312:25:403
11844991310,2cyclictest0-21swapper/312:01:003
11844991310,2cyclictest0-21swapper/311:35:293
11844991310,2cyclictest0-21swapper/311:27:563
11844991310,2cyclictest0-21swapper/311:10:203
11844991310,2cyclictest0-21swapper/309:59:003
1184499130,2cyclictest26409-21ssh09:41:103
1184499130,2cyclictest0-21swapper/311:45:193
1184499130,2cyclictest0-21swapper/309:30:403
1184499130,12cyclictest15898-21kworker/u8:108:56:043
1184499130,12cyclictest0-21swapper/310:56:403
1184499130,12cyclictest0-21swapper/309:24:103
1184499130,11cyclictest0-21swapper/311:55:183
1184499130,11cyclictest0-21swapper/309:10:333
1184399132,6cyclictest0-21swapper/208:55:002
1184399132,6cyclictest0-21swapper/208:10:002
11843991310,2cyclictest15723-21ssh11:15:052
11843991310,2cyclictest0-21swapper/212:26:502
11843991310,2cyclictest0-21swapper/211:30:292
11843991310,2cyclictest0-21swapper/210:50:452
11843991310,2cyclictest0-21swapper/210:45:332
11843991310,2cyclictest0-21swapper/210:05:222
11843991310,2cyclictest0-21swapper/209:47:312
11843991310,2cyclictest0-21swapper/209:28:582
11843991310,2cyclictest0-21swapper/209:23:322
11843991310,2cyclictest0-21swapper/207:40:122
1184399130,8cyclictest0-21swapper/211:38:592
1184399130,3cyclictest0-21swapper/210:42:082
1184399130,2cyclictest28336-21diskmemload10:19:312
1184399130,2cyclictest0-21swapper/211:59:552
1184399130,2cyclictest0-21swapper/211:28:432
1184399130,12cyclictest0-21swapper/211:40:132
1184399130,12cyclictest0-21swapper/211:24:382
1184399130,11cyclictest0-21swapper/211:51:412
11842991310,2cyclictest29565-21kworker/u8:010:53:041
11842991310,2cyclictest23675-21kworker/u8:208:16:041
11842991310,2cyclictest23675-21kworker/u8:207:40:041
11842991310,2cyclictest0-21swapper/110:05:251
1184299130,2cyclictest0-21swapper/111:22:001
1184299130,2cyclictest0-21swapper/110:35:171
1184199138,3cyclictest26923-21sed09:05:140
11841991310,2cyclictest0-21swapper/010:51:320
11841991310,2cyclictest0-21swapper/010:35:250
11841991310,2cyclictest0-21swapper/009:51:150
1184199130,2cyclictest28336-21diskmemload09:45:410
1184199130,2cyclictest0-21swapper/010:56:030
1184199130,12cyclictest0-21swapper/011:10:150
1184199130,12cyclictest0-21swapper/011:01:250
250922120,2sleep30-21swapper/312:35:093
1184499129,2cyclictest0-21swapper/312:23:403
1184499129,2cyclictest0-21swapper/311:15:183
1184499129,2cyclictest0-21swapper/310:42:363
1184499129,2cyclictest0-21swapper/310:11:283
1184499129,2cyclictest0-21swapper/310:05:063
1184499129,2cyclictest0-21swapper/308:00:133
1184499129,2cyclictest0-21swapper/307:20:193
1184499121,10cyclictest0-21swapper/309:46:093
1184499120,2cyclictest0-21swapper/312:34:163
1184499120,11cyclictest32049-21ssh12:06:393
1184499120,11cyclictest26175-21kworker/u8:009:06:043
1184499120,11cyclictest0-21swapper/312:16:113
1184499120,11cyclictest0-21swapper/311:02:313
1184499120,11cyclictest0-21swapper/310:26:213
1184499120,11cyclictest0-21swapper/309:50:143
1184499120,11cyclictest0-21swapper/308:10:253
1184499120,11cyclictest0-21swapper/307:45:253
1184399129,2cyclictest0-21swapper/211:45:082
1184399129,2cyclictest0-21swapper/211:10:012
1184399128,2cyclictest8086-21munin-run08:20:002
1184399120,2cyclictest0-21swapper/212:30:392
1184399120,2cyclictest0-21swapper/211:07:312
1184399120,11cyclictest0-21swapper/212:05:132
1184399120,11cyclictest0-21swapper/210:31:552
1184399120,11cyclictest0-21swapper/208:10:242
1184399120,11cyclictest0-21swapper/207:30:252
1184299129,2cyclictest28811-21kworker/u8:209:28:041
1184299129,2cyclictest23675-21kworker/u8:208:05:041
1184299129,2cyclictest23222-21kworker/u8:211:01:041
1184299129,2cyclictest17967-21kworker/u8:208:47:041
1184299129,2cyclictest15898-21kworker/u8:108:59:041
1184299129,2cyclictest0-21swapper/112:24:101
1184299129,2cyclictest0-21swapper/110:45:301
1184299129,2cyclictest0-21swapper/109:00:121
1184299129,2cyclictest0-21swapper/107:55:131
1184299124,7cyclictest0-21swapper/112:15:161
1184299121,9cyclictest12055-21munin-node1
1184299121,9cyclictest0-21swapper/109:35:161
1184299121,3cyclictest28336-21diskmemload09:20:151
1184299121,3cyclictest0-21swapper/109:10:151
1184299121,3cyclictest0-21swapper/108:00:261
11842991210,1cyclictest0-21swapper/107:45:201
1184299120,2cyclictest0-21swapper/108:50:171
1184299120,2cyclictest0-21swapper/108:10:201
1184299120,11cyclictest0-21swapper/111:35:311
1184299120,11cyclictest0-21swapper/110:04:521
1184299120,10cyclictest28336-21diskmemload12:36:321
1184199120,2cyclictest0-21swapper/008:02:040
1184499118,2cyclictest19335-21kworker/u8:309:38:053
1184499118,2cyclictest0-21swapper/308:15:183
1184499118,2cyclictest0-21swapper/307:30:143
1184499110,2cyclictest8134-21copy08:20:033
1184499110,2cyclictest0-21swapper/309:25:493
1184499110,10cyclictest0-21swapper/310:52:103
1184499110,10cyclictest0-21swapper/308:25:223
1184399113,6cyclictest0-21swapper/208:45:252
1184399112,6cyclictest0-21swapper/207:35:242
1184299118,2cyclictest23675-21kworker/u8:207:52:031
1184299118,2cyclictest0-21swapper/112:05:151
1184299118,2cyclictest0-21swapper/111:55:241
1184299118,2cyclictest0-21swapper/108:30:181
1184299116,3cyclictest8350-21munin-node1
1184299116,3cyclictest11353-21munin-node1
1184299111,8cyclictest0-21swapper/112:30:131
1184299111,8cyclictest0-21swapper/112:00:141
1184299111,8cyclictest0-21swapper/109:05:121
1184299111,3cyclictest11243-21ntpdc08:25:211
1184299111,3cyclictest0-21swapper/112:25:191
1184299110,9cyclictest0-21swapper/108:40:041
1184299110,9cyclictest0-21swapper/108:35:191
1184299110,9cyclictest0-21swapper/107:15:161
1184299110,2cyclictest0-21swapper/109:40:201
1184299110,1cyclictest0-21swapper/111:11:001
1184299110,10cyclictest0-21swapper/107:35:141
1184199118,2cyclictest0-21swapper/007:35:130
1184499107,2cyclictest0-21swapper/310:47:353
1184499107,2cyclictest0-21swapper/309:00:263
1184499107,2cyclictest0-21swapper/307:25:173
1184499107,2cyclictest0-21swapper/307:15:253
1184499100,9cyclictest13879-21kworker/u8:308:36:013
1184399107,2cyclictest24403-21copy09:00:042
1184399105,3cyclictest17902-21wc07:25:002
1184399105,3cyclictest15015-21ps07:15:202
1184399105,3cyclictest0-21swapper/208:40:172
1184399102,6cyclictest0-21swapper/207:10:232
1184399101,5cyclictest0-21swapper/207:25:232
1184199106,2cyclictest20788-21sed08:50:140
1184199105,3cyclictest16166-21cron08:40:000
18447290,1sleep30-21swapper/308:45:103
118449996,2cyclictest0-21swapper/308:30:243
118449996,2cyclictest0-21swapper/307:40:123
118449996,2cyclictest0-21swapper/307:10:123
118439994,3cyclictest32656-21aten2.4_r3power08:00:132
118439994,3cyclictest322652sleep207:59:442
118439994,3cyclictest29501-21timerandwakeup07:50:252
118439994,3cyclictest15400-21pzem_power08:35:222
118439994,3cyclictest10492-21aten2.4_r3power08:25:162
118439993,4cyclictest27033-21uniq09:05:142
118429994,3cyclictest16164-21tail07:20:141
118449985,2cyclictest0-21swapper/307:50:033
118449984,2cyclictest2090-21aten2.4_r3power08:05:123
118449980,7cyclictest15898-21kworker/u8:108:50:043
118439984,2cyclictest12596-21cpuspeed_turbos08:30:132
118439983,3cyclictest8499-21basename08:20:172
118439983,3cyclictest22862-21df_inode08:55:132
118449974,2cyclictest0-21swapper/307:35:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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