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2026-07-29 - 14:37

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #4, slot #1

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack4slot1s.osadl.org (updated Wed Jul 29, 2026 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
793921240,3sleep30-21swapper/311:23:593
793921240,3sleep30-21swapper/311:23:593
680221040,3chrt0-21swapper/308:28:523
680221040,3chrt0-21swapper/308:28:523
144842970,3sleep00-21swapper/011:43:460
144842970,3sleep00-21swapper/011:43:460
191362910,3sleep30-21swapper/310:28:483
191362910,3sleep30-21swapper/310:28:483
143452910,3sleep00-21swapper/010:13:570
168022870,3chrt0-21swapper/311:48:523
168022870,3chrt0-21swapper/311:48:523
295792770,3sleep30-21swapper/310:57:263
295792770,3sleep30-21swapper/310:57:263
57052740,3chrt0-21swapper/011:18:540
57052740,3chrt0-21swapper/011:18:540
57052740,3chrt0-21swapper/011:18:540
14412710,3sleep30-21swapper/311:08:483
14412710,3sleep30-21swapper/311:08:483
106332680,4chrt0-21swapper/308:38:533
106332680,4chrt0-21swapper/308:38:533
285742670,3chrt0-21swapper/212:18:572
285742670,3chrt0-21swapper/212:18:572
285742670,3chrt0-21swapper/212:18:572
19312650,2sleep02128-21grep09:43:470
202322620,2sleep020235-21cat07:38:480
202322620,2sleep020235-21cat07:38:480
73922560,2sleep07395-21ls11:23:520
73922560,2sleep07395-21ls11:23:520
16062550,2chrt0-21swapper/312:33:583
16062550,2chrt0-21swapper/312:33:583
256212530,4sleep20-21swapper/209:18:522
256212530,4sleep20-21swapper/209:18:522
256212530,4sleep20-21swapper/209:18:522
183322520,3chrt0-21swapper/307:33:493
183322520,3chrt0-21swapper/307:33:493
103012460,2sleep20-21swapper/208:38:482
103012460,2sleep20-21swapper/208:38:482
37482430,3sleep20-21swapper/211:13:532
37482430,3sleep20-21swapper/211:13:532
83392420,3sleep20-21swapper/209:58:562
83392420,3sleep20-21swapper/209:58:562
83392420,3sleep20-21swapper/209:58:562
66842410,2sleep16791-21bingrep08:28:511
66842410,2sleep16791-21bingrep08:28:511
85432390,3sleep30-21swapper/308:33:513
85432390,3sleep30-21swapper/308:33:513
10877993930,7cyclictest27020-21processes10:48:540
10877993930,7cyclictest27020-21processes10:48:540
228482370,1sleep2351rcuc/207:43:572
10879993731,4cyclictest18784-21processes07:33:561
10879993731,4cyclictest18784-21processes07:33:561
10877993626,7cyclictest25719-21fschecks_count12:13:480
41152350,1sleep04194-21latency09:48:500
41152350,1sleep04194-21latency09:48:500
255532350,3sleep30-21swapper/307:53:473
255532350,3sleep30-21swapper/307:53:473
10879993526,7cyclictest26876-21netstat10:48:511
10879993526,7cyclictest26876-21netstat10:48:511
10877993528,5cyclictest10869-21cyclictest12:38:540
10877993528,5cyclictest10869-21cyclictest12:38:540
10877993528,5cyclictest10869-21cyclictest12:38:540
10877993526,6cyclictest729-21dbus-daemon08:03:340
10877993526,6cyclictest729-21dbus-daemon08:03:340
179562340,1chrt0-21swapper/007:33:420
179562340,1chrt0-21swapper/007:33:420
10879993325,6cyclictest21864-21fschecks_count07:43:471
10879993225,5cyclictest26073-21kernelversion12:13:511
10877993226,4cyclictest31558-21latency_hist11:03:350
10877993226,4cyclictest31558-21latency_hist11:03:350
10877993225,5cyclictest9659-21latency_hist08:38:360
10877993225,5cyclictest9659-21latency_hist08:38:360
10877993223,6cyclictest380-21latency_hist08:13:400
10877993223,6cyclictest380-21latency_hist08:13:400
10879993125,4cyclictest18711-21missed_timers11:53:501
10879993125,4cyclictest18711-21missed_timers11:53:501
10877993123,6cyclictest7197-21idleruntime-cro09:58:340
10877993123,6cyclictest7197-21idleruntime-cro09:58:340
10877993122,7cyclictest18374-21sort08:58:540
10877993122,7cyclictest18374-21sort08:58:540
10877993121,8cyclictest32595-21cut09:38:480
10877993121,8cyclictest32595-21cut09:38:480
10877993121,8cyclictest32595-21cut09:38:480
10877993121,8cyclictest20341-21munin-node11:48:400
10877993121,8cyclictest20341-21munin-node11:48:400
84642300,3sleep30-21swapper/309:58:573
84642300,3sleep30-21swapper/309:58:573
84642300,3sleep30-21swapper/309:58:573
10879993023,5cyclictest16579-21gltestperf11:48:501
10879993023,5cyclictest16579-21gltestperf11:48:501
10879993023,5cyclictest13792-21netstat10:13:521
10877993017,11cyclictest0-21swapper/011:53:470
10877993017,11cyclictest0-21swapper/011:53:470
28682290,3sleep20-21swapper/212:38:472
28682290,3sleep20-21swapper/212:38:472
28682290,3sleep20-21swapper/212:38:472
10879992925,3cyclictest20574-21ntp_offset07:38:531
10879992925,3cyclictest20574-21ntp_offset07:38:531
10879992924,3cyclictest0-21swapper/110:33:341
10879992924,3cyclictest0-21swapper/110:33:341
10879992920,7cyclictest15088-21fschecks_count10:18:471
10879992920,7cyclictest15088-21fschecks_count10:18:471
10879992920,7cyclictest15088-21fschecks_count10:18:471
10877992922,5cyclictest29917-21ntp_kernel_pll_08:03:530
10877992922,5cyclictest29917-21ntp_kernel_pll_08:03:530
10877992922,4cyclictest0-21swapper/011:38:520
10877992921,6cyclictest15768-21cut08:53:480
10877992921,5cyclictest16596-21latency_hist10:23:340
10877992921,5cyclictest16596-21latency_hist10:23:340
10877992921,5cyclictest16596-21latency_hist10:23:340
10879992824,3cyclictest29529-21cut08:03:481
10879992824,3cyclictest29529-21cut08:03:481
10879992824,2cyclictest0-21swapper/110:43:341
10879992824,2cyclictest0-21swapper/110:43:341
10879992823,3cyclictest0-21swapper/111:28:421
10879992823,3cyclictest0-21swapper/111:28:421
10879992822,4cyclictest4150-21systemctl12:43:341
10879992822,4cyclictest4150-21systemctl12:43:341
10879992822,4cyclictest4150-21systemctl12:43:341
10879992822,4cyclictest10869-21cyclictest10:03:491
10879992822,4cyclictest10869-21cyclictest10:03:491
10879992819,7cyclictest23187-21fschecks_count09:13:481
10879992819,7cyclictest23187-21fschecks_count09:13:481
10877992822,4cyclictest7579-21runrttasks08:31:090
10877992822,4cyclictest7579-21runrttasks08:31:090
10877992821,5cyclictest3997-21sh08:23:450
10877992821,5cyclictest3997-21sh08:23:450
10877992821,5cyclictest31696-21kernelversion12:28:510
10877992821,5cyclictest31696-21kernelversion12:28:510
10877992819,7cyclictest24198-21latency_hist10:43:400
10877992819,7cyclictest24198-21latency_hist10:43:400
10877992818,8cyclictest16628-21kernelversion07:28:500
10879992722,3cyclictest22777-21sh09:13:341
10879992722,3cyclictest22777-21sh09:13:341
10879992721,5cyclictest24648-21gltestperf10:43:471
10879992721,5cyclictest24648-21gltestperf10:43:471
10879992721,3cyclictest0-21swapper/109:28:551
10879992721,3cyclictest0-21swapper/109:28:551
10879992720,5cyclictest13873-21fschecks_time08:48:471
10879992720,5cyclictest13873-21fschecks_time08:48:471
10879992719,6cyclictest5499-21sort11:18:501
10879992719,6cyclictest5499-21sort11:18:501
10879992719,6cyclictest5499-21sort11:18:501
10877992723,2cyclictest0-21swapper/011:58:550
10877992723,2cyclictest0-21swapper/011:58:550
10877992721,5cyclictest25936-21kernelversion07:53:500
10877992721,5cyclictest25936-21kernelversion07:53:500
10877992720,5cyclictest28535-21kernelversion10:53:500
10877992720,5cyclictest28535-21kernelversion10:53:500
10877992719,5cyclictest21740-21cpu07:43:460
1088899262,3cyclictest0-21swapper/207:29:292
1088899262,3cyclictest0-21swapper/207:29:292
1088899262,3cyclictest0-21swapper/207:29:292
1088899261,6cyclictest3259-21chrt09:46:142
10879992621,4cyclictest545-21in:imuxsock09:53:331
10879992621,4cyclictest545-21in:imuxsock09:53:331
10879992620,5cyclictest30391-21kernelversion10:58:491
10879992620,5cyclictest30391-21kernelversion10:58:491
10879992620,4cyclictest14709-21gltestperf11:43:481
10879992620,4cyclictest14709-21gltestperf11:43:481
10879992620,4cyclictest10869-21cyclictest09:23:561
10879992620,4cyclictest10869-21cyclictest09:23:561
10879992619,6cyclictest21579-21threads10:33:571
10879992619,6cyclictest21579-21threads10:33:571
10879992619,5cyclictest16381-21rt-features08:53:551
10879992617,7cyclictest3025-21needreboot08:18:521
10879992617,7cyclictest3025-21needreboot08:18:521
10879992617,7cyclictest3025-21needreboot08:18:521
10877992621,3cyclictest0-21swapper/009:33:500
10877992621,3cyclictest0-21swapper/009:33:500
10877992620,5cyclictest10071-21ntp_offset10:03:540
10877992620,5cyclictest10071-21ntp_offset10:03:540
10877992620,3cyclictest0-21swapper/010:28:470
10877992620,3cyclictest0-21swapper/010:28:470
10877992619,5cyclictest670-21sshd11:04:410
10877992619,5cyclictest670-21sshd11:04:410
10877992619,5cyclictest27292-21latency09:23:500
10877992619,5cyclictest27292-21latency09:23:500
10877992619,5cyclictest22138-21cut12:03:490
10877992617,7cyclictest23505-21kernelversion09:13:510
10877992617,7cyclictest23505-21kernelversion09:13:510
10877992617,7cyclictest21984-21processes09:08:550
10877992617,7cyclictest21984-21processes09:08:550
1088899257,14cyclictest0-21swapper/207:39:472
1088899257,14cyclictest0-21swapper/207:39:472
1088899254,18cyclictest175932chrt10:23:522
1088899254,18cyclictest175932chrt10:23:522
1088899251,4cyclictest202052sleep210:31:522
1088899251,4cyclictest202052sleep210:31:522
1088899251,4cyclictest0-21swapper/210:18:482
1088899251,4cyclictest0-21swapper/210:18:482
1088899251,4cyclictest0-21swapper/210:18:482
10879992521,3cyclictest10510-21sshd11:33:411
10879992521,3cyclictest10510-21sshd11:33:411
10879992521,2cyclictest0-21swapper/112:23:551
10879992521,2cyclictest0-21swapper/112:23:551
10879992520,3cyclictest0-21swapper/109:48:341
10879992519,5cyclictest32536-21sshd08:11:411
10879992519,5cyclictest32536-21sshd08:11:411
10879992519,5cyclictest12036-21fschecks_time08:43:491
10879992519,4cyclictest18061-21head10:23:561
10879992519,4cyclictest18061-21head10:23:561
10879992519,4cyclictest13688-21unixbench_multi11:38:581
10879992519,4cyclictest13688-21unixbench_multi11:38:581
10879992519,4cyclictest13688-21unixbench_multi11:38:581
10877992520,4cyclictest10869-21cyclictest11:33:560
10877992520,4cyclictest10869-21cyclictest11:33:560
10877992520,3cyclictest0-21swapper/008:38:470
10877992520,3cyclictest0-21swapper/008:38:470
10877992519,4cyclictest749-21runrttasks10:08:480
10877992519,4cyclictest749-21runrttasks10:08:480
10877992519,4cyclictest12490-21ntp_kernel_err08:43:540
10877992519,4cyclictest0-21swapper/009:18:470
10877992519,4cyclictest0-21swapper/009:18:470
10877992519,4cyclictest0-21swapper/009:18:470
10877992517,6cyclictest21622-21sort10:33:570
10877992517,6cyclictest21622-21sort10:33:570
1088899248,13cyclictest0-21swapper/210:59:542
1088899248,13cyclictest0-21swapper/210:59:542
1088899241,3cyclictest0-21swapper/211:52:412
1088899241,3cyclictest0-21swapper/211:52:412
1088899241,3cyclictest0-21swapper/208:11:402
1088899241,3cyclictest0-21swapper/208:11:402
10879992420,3cyclictest10869-21cyclictest09:53:531
10879992420,3cyclictest10869-21cyclictest09:53:531
10879992419,3cyclictest0-21swapper/111:58:581
10879992419,3cyclictest0-21swapper/111:58:581
10879992418,5cyclictest22349-21kernelversion12:03:511
10879992418,5cyclictest16319-21fschecks_time07:28:481
10879992418,5cyclictest16319-21fschecks_time07:28:481
10879992418,5cyclictest16319-21fschecks_time07:28:481
10879992418,5cyclictest10254-21gltestperf08:38:481
10879992418,5cyclictest10254-21gltestperf08:38:481
10879992418,3cyclictest700-21192.168.115.40-manager12:34:351
10879992418,3cyclictest700-21192.168.115.40-manager12:34:351
10879992417,5cyclictest0-21swapper/110:08:481
10879992417,5cyclictest0-21swapper/110:08:481
10879992417,4cyclictest0-21swapper/109:58:571
10879992417,4cyclictest0-21swapper/109:58:571
10879992417,4cyclictest0-21swapper/109:58:571
10879992416,6cyclictest5281-21threads08:23:561
10879992416,6cyclictest5281-21threads08:23:561
10879992415,7cyclictest19948-21needreboot09:03:521
10879992415,7cyclictest19948-21needreboot09:03:521
10877992420,2cyclictest0-21swapper/007:33:480
10877992420,2cyclictest0-21swapper/007:33:480
10877992414,9cyclictest32720-21kworker/u10:1-rpciod11:28:590
10877992414,9cyclictest32720-21kworker/u10:1-rpciod11:28:590
1088899235,14cyclictest0-21swapper/209:03:532
1088899235,14cyclictest0-21swapper/209:03:532
1088899231,7cyclictest28832-21chrt10:53:552
1088899231,7cyclictest28832-21chrt10:53:552
1088899231,7cyclictest28234-21chrt09:26:282
1088899231,7cyclictest28234-21chrt09:26:282
1088899231,7cyclictest13397-21chrt08:48:252
1088899231,4cyclictest3737-21chrt08:20:232
1088899231,4cyclictest3737-21chrt08:20:232
1088899231,4cyclictest3737-21chrt08:20:232
1088899231,4cyclictest30043-21chrt09:30:462
1088899231,4cyclictest30043-21chrt09:30:462
1088899231,4cyclictest18871-21chrt09:01:392
1088899231,4cyclictest18871-21chrt09:01:392
1088899231,4cyclictest15593-21chrt07:24:472
1088899231,4cyclictest149672chrt08:49:172
1088899231,4cyclictest149672chrt08:49:172
1088899231,3cyclictest70572sleep209:56:512
1088899231,3cyclictest70572sleep209:56:512
1088899231,3cyclictest0-21swapper/212:30:482
1088899231,3cyclictest0-21swapper/212:30:482
1088899231,3cyclictest0-21swapper/211:27:252
1088899231,3cyclictest0-21swapper/211:27:252
1088899231,3cyclictest0-21swapper/211:10:202
1088899231,3cyclictest0-21swapper/211:10:202
1088899231,3cyclictest0-21swapper/211:05:102
1088899231,3cyclictest0-21swapper/211:05:102
1088899231,3cyclictest0-21swapper/208:14:052
1088899231,3cyclictest0-21swapper/208:14:052
1088899231,2cyclictest0-21swapper/211:37:262
1088899231,2cyclictest0-21swapper/211:37:262
1088899231,2cyclictest0-21swapper/209:34:412
1088899231,2cyclictest0-21swapper/209:34:412
10879992316,5cyclictest2424-21unixbench_multi11:08:581
10879992316,5cyclictest2424-21unixbench_multi11:08:581
10879992311,10cyclictest17836-21if_wlan008:58:471
10879992311,10cyclictest17836-21if_wlan008:58:471
10877992318,3cyclictest0-21swapper/012:33:570
10877992318,3cyclictest0-21swapper/012:33:570
10877992318,3cyclictest0-21swapper/007:23:460
10877992318,2cyclictest0-21swapper/011:48:520
10877992318,2cyclictest0-21swapper/011:48:520
10877992317,5cyclictest8827-21sshd10:00:410
10877992317,5cyclictest8827-21sshd10:00:410
10877992317,5cyclictest8827-21sshd10:00:410
10877992316,5cyclictest19982-21ntp_kernel_err09:03:520
10877992316,5cyclictest19982-21ntp_kernel_err09:03:520
10877992316,5cyclictest0-21swapper/008:48:500
10877992316,5cyclictest0-21swapper/008:48:500
10877992316,5cyclictest0-21swapper/008:18:460
10877992316,5cyclictest0-21swapper/008:18:460
10877992316,5cyclictest0-21swapper/008:18:460
1088899222,5cyclictest0-21swapper/212:03:462
1088899222,5cyclictest0-21swapper/208:23:542
1088899222,5cyclictest0-21swapper/208:23:542
1088899221,8cyclictest5010-21chrt09:49:472
1088899221,8cyclictest5010-21chrt09:49:472
1088899221,8cyclictest27306-21taskset07:58:442
1088899221,8cyclictest27306-21taskset07:58:442
1088899221,8cyclictest25098-21chrt12:10:172
1088899221,8cyclictest25098-21chrt12:10:172
1088899221,8cyclictest16908-21chrt08:55:202
1088899221,7cyclictest26876-21chrt12:14:112
1088899221,7cyclictest1936-21chrt12:34:172
1088899221,7cyclictest1936-21chrt12:34:172
1088899221,6cyclictest9358-21chrt08:34:422
1088899221,6cyclictest9358-21chrt08:34:422
1088899221,6cyclictest30746-21chrt12:25:412
1088899221,6cyclictest30746-21chrt12:25:412
1088899221,6cyclictest24305-21chrt09:14:102
1088899221,6cyclictest24305-21chrt09:14:102
1088899221,6cyclictest22009-21chrt10:36:062
1088899221,6cyclictest22009-21chrt10:36:062
1088899221,6cyclictest10146-21chrt11:30:332
1088899221,6cyclictest10146-21chrt11:30:332
1088899221,4cyclictest7536-21chrt08:30:362
1088899221,4cyclictest7536-21chrt08:30:362
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1088899221,4cyclictest19363-21chrt07:35:252
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1088899221,4cyclictest11200-21chrt10:08:452
1088899221,4cyclictest11200-21chrt10:08:452
1088899221,4cyclictest0-21swapper/210:38:522
1088899221,4cyclictest0-21swapper/210:38:522
1088899221,4cyclictest0-21swapper/208:04:292
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1088899221,3cyclictest63392sleep211:20:122
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1088899220,6cyclictest1104-21chrt09:38:582
1088899220,6cyclictest1104-21chrt09:38:582
1088899220,6cyclictest1104-21chrt09:38:582
1088899220,4cyclictest26846-21chrt07:55:352
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1088899220,4cyclictest23152-21chrt12:04:102
1088899220,4cyclictest14049-21chrt11:42:272
1088899220,4cyclictest14049-21chrt11:42:272
1088899220,4cyclictest14049-21chrt11:42:272
10879992217,3cyclictest0-21swapper/111:33:481
10879992217,3cyclictest0-21swapper/111:33:481
10879992217,3cyclictest0-21swapper/109:37:501
10879992217,3cyclictest0-21swapper/109:37:501
10879992217,3cyclictest0-21swapper/108:33:491
10879992217,3cyclictest0-21swapper/108:33:491
10879992216,5cyclictest27445-21fschecks_count07:58:481
10879992216,5cyclictest27445-21fschecks_count07:58:481
10879992216,4cyclictest0-21swapper/110:53:551
10879992216,4cyclictest0-21swapper/110:53:551
10879992215,5cyclictest10869-21cyclictest11:13:521
10879992215,5cyclictest10869-21cyclictest11:13:521
10879992213,7cyclictest25217-21cron07:53:341
10879992213,7cyclictest25217-21cron07:53:341
10877992218,2cyclictest0-21swapper/012:18:480
10877992218,2cyclictest0-21swapper/012:18:480
10877992218,2cyclictest0-21swapper/012:18:480
10877992218,2cyclictest0-21swapper/012:08:500
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