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2026-08-12 - 18:02

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, 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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  Intel
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 rack1slot6s.osadl.org (updated Wed Aug 12, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
392721100,33sleep041ktimersoftd/006:44:100
2194991080,5rtkit-daemon2193-21rtkit-daemon07:54:310
2194991080,5rtkit-daemon2193-21rtkit-daemon07:54:310
144449910021,11cyclictest14387-21ssh10:34:243
144449910021,11cyclictest14387-21ssh10:34:243
144449910020,14cyclictest0-21swapper/309:44:173
1444499994,27cyclictest0-21swapper/306:04:333
1444499974,27cyclictest0-21swapper/309:29:303
14444999715,20cyclictest6104-21expr09:34:083
1444499964,28cyclictest0-21swapper/308:09:253
1444499964,24cyclictest10312-21munin-node09:39:213
1444499954,29cyclictest0-21swapper/310:24:193
1444499954,28cyclictest0-21swapper/310:57:233
14444999521,13cyclictest0-21swapper/307:14:003
14444999521,13cyclictest0-21swapper/307:14:003
1444499946,26cyclictest0-21swapper/311:00:493
1444499936,26cyclictest0-21swapper/308:39:273
1444499915,30cyclictest0-21swapper/309:54:113
1444499915,30cyclictest0-21swapper/309:54:113
1444499914,28cyclictest0-21swapper/308:59:073
1444499913,31cyclictest13530-21sh11:23:593
14444999113,12cyclictest0-21swapper/306:23:393
1444499905,27cyclictest0-21swapper/309:05:493
1444499905,25cyclictest0-21swapper/311:23:023
1444499905,25cyclictest0-21swapper/311:23:023
14444999020,12cyclictest1124-21snmpd08:38:263
14444999020,12cyclictest1124-21snmpd08:38:263
1444499894,18cyclictest10640-21iostat10:29:133
14444998931,49cyclictest792-21fschecks_time07:44:163
14444998925,9cyclictest18159-21fschecks_count08:14:143
14444998910,69cyclictest0-21swapper/309:13:543
1444499886,26cyclictest0-21swapper/311:13:433
1444499885,28cyclictest0-21swapper/308:19:173
1444499885,28cyclictest0-21swapper/306:44:383
1444499885,26cyclictest0-21swapper/306:39:133
1444499885,13cyclictest28204-21aten_r1power_en09:19:043
14444998816,23cyclictest6453-21ntp_kernel_err08:44:213
1444499876,27cyclictest0-21swapper/308:57:443
1444499875,73cyclictest0-21swapper/306:29:223
1444499875,73cyclictest0-21swapper/306:29:223
1444499874,75cyclictest0-21swapper/310:06:343
14444998710,9cyclictest107550irq/46-eth008:06:163
14443998731,32cyclictest12427-21sh09:44:052
1444499865,30cyclictest0-21swapper/311:06:293
14444998626,52cyclictest32260-21gltestperf09:24:133
14444998620,13cyclictest0-21swapper/308:53:493
14443998625,34cyclictest0-21swapper/208:40:262
1444499856,13cyclictest0-21swapper/310:19:263
1444499855,72cyclictest0-21swapper/308:28:023
1444499855,27cyclictest0-21swapper/310:10:183
1444499855,14cyclictest0-21swapper/311:13:593
1444499855,14cyclictest0-21swapper/311:13:593
1444499854,28cyclictest0-21swapper/307:59:183
1444499854,13cyclictest0-21swapper/310:50:323
1444499854,12cyclictest0-21swapper/309:53:213
14444998513,8cyclictest0-21swapper/310:39:253
1444499848,11cyclictest20806-21munin-node10:44:173
1444499846,18cyclictest0-21swapper/307:38:583
14444998425,10cyclictest6515-21cpuspeed_turbos06:49:153
14444998413,12cyclictest0-21swapper/310:15:563
1444499834,9cyclictest26045-21memory09:14:203
1444499834,9cyclictest26045-21memory09:14:203
14443998332,42cyclictest18905-21aten_r1power_cu09:54:032
14443998332,42cyclictest18905-21aten_r1power_cu09:54:032
1444499824,35cyclictest0-21swapper/308:29:243
1444499824,25cyclictest0-21swapper/307:04:123
14444998228,10cyclictest6230-21needreboot07:54:223
14444998228,10cyclictest6230-21needreboot07:54:223
14444998225,10cyclictest3350-21fschecks_time07:49:143
14444998222,10cyclictest31706-21cpuspeed_turbos06:34:153
14444998212,14cyclictest9904-1kworker/3:1H07:43:573
14444998210,11cyclictest7150irq/45-ahci07:03:053
14443998223,51cyclictest0-21swapper/208:09:582
1444499818,24cyclictest0-21swapper/307:24:003
1444499814,31cyclictest0-21swapper/307:14:193
1444499814,26cyclictest0-21swapper/307:29:253
1444499814,18cyclictest0-21swapper/309:59:103
1444499804,21cyclictest0-21swapper/305:59:143
14443998031,26cyclictest23940-21ssh09:11:192
1444499794,18cyclictest0-21swapper/306:09:273
14443997928,33cyclictest0-21swapper/209:34:102
14443997928,32cyclictest7686-21perl11:14:072
14443997928,32cyclictest7686-21perl11:14:072
14443997925,34cyclictest0-21swapper/210:39:122
1444499784,21cyclictest0-21swapper/306:14:133
14444997815,12cyclictest0-21swapper/307:24:153
14443997833,29cyclictest20884-21munin-node08:19:262
14443997831,30cyclictest11519-21gltestperf08:04:172
14443997823,47cyclictest0-21swapper/211:26:362
14443997822,49cyclictest0-21swapper/209:49:342
14443997820,51cyclictest0-21swapper/210:38:092
14443997820,51cyclictest0-21swapper/210:38:092
1444499775,13cyclictest0-21swapper/306:24:123
14443997730,40cyclictest0-21swapper/207:18:592
14443997728,32cyclictest0-21swapper/210:09:142
14443997727,42cyclictest0-21swapper/210:56:492
14443997727,18cyclictest0-21swapper/209:24:082
14443997725,45cyclictest0-21swapper/208:34:172
14443997725,45cyclictest0-21swapper/208:34:172
14443997724,46cyclictest0-21swapper/211:10:062
14443997724,46cyclictest0-21swapper/209:20:062
14443997631,27cyclictest0-21swapper/210:19:152
14443997629,40cyclictest25167-21gltestperf08:24:162
14443997629,33cyclictest0-21swapper/209:06:422
14443997627,34cyclictest0-21swapper/208:46:142
14443997627,32cyclictest0-21swapper/210:30:272
14443997625,30cyclictest7589-21cpu07:59:102
14443997528,30cyclictest0-21swapper/205:59:132
14443997526,42cyclictest0-21swapper/210:24:272
14443997526,33cyclictest0-21swapper/210:49:172
14443997526,33cyclictest0-21swapper/210:46:032
14443997523,45cyclictest0-21swapper/208:18:562
14444997415,12cyclictest0-21swapper/306:54:113
14443997428,30cyclictest0-21swapper/206:04:292
14443997428,29cyclictest26324-21ssh10:04:112
14443997427,40cyclictest22145-21cpuspeed_turbos06:14:162
14443997424,27cyclictest0-21swapper/209:14:272
14443997424,27cyclictest0-21swapper/209:14:272
14443997422,45cyclictest0-21swapper/209:28:562
14443997420,36cyclictest0-21swapper/207:19:122
14443997328,38cyclictest0-21swapper/209:59:252
14443997328,27cyclictest30564-21ssh10:59:172
14443997326,32cyclictest0-21swapper/211:06:152
14443997325,41cyclictest0-21swapper/207:04:222
14443997324,33cyclictest0-21swapper/206:19:132
14443997322,21cyclictest0-21swapper/211:19:102
14443997322,21cyclictest0-21swapper/211:19:102
14443997320,36cyclictest0-21swapper/208:49:162
219499720,5rtkit-daemon2193-21rtkit-daemon11:09:231
14443997224,42cyclictest0-21swapper/209:42:372
14443997224,28cyclictest0-21swapper/208:29:192
14443997220,32cyclictest0-21swapper/207:54:302
14443997220,32cyclictest0-21swapper/207:54:302
14443997129,35cyclictest3872-21telnet06:44:102
14443997127,37cyclictest13396-21cat08:54:292
14443997125,31cyclictest0-21swapper/210:13:582
14443997123,21cyclictest0-21swapper/208:59:572
14443997023,31cyclictest0-21swapper/207:09:222
14443997023,31cyclictest0-21swapper/207:09:222
14443996924,17cyclictest0-21swapper/207:29:182
14443996825,34cyclictest14399-21kworker/2:106:38:042
14443996823,39cyclictest0-21swapper/206:24:122
219499660,6rtkit-daemon0-21swapper/106:29:410
219499660,6rtkit-daemon0-21swapper/106:29:410
219499660,6rtkit-daemon0-21swapper/006:19:270
14443996650,11cyclictest2097-21fschecks_count06:39:182
14443996627,10cyclictest31249-21memory07:39:222
14443996617,33cyclictest0-21swapper/207:44:132
1444199663,20cyclictest17864-21ssh09:50:581
14437996638,9cyclictest11099-21ssh09:40:180
14443996525,25cyclictest6501-21cpuspeed06:49:152
219499640,6rtkit-daemon0-21swapper/106:34:410
14443996426,31cyclictest1124-21snmpd07:53:172
219499630,14rtkit-daemon2193-21rtkit-daemon08:49:280
14443996324,14cyclictest0-21swapper/207:34:112
14443996314,33cyclictest0-21swapper/207:24:192
14443996228,27cyclictest1227-21runrttasks06:33:182
14443996228,27cyclictest1227-21runrttasks06:33:182
14437996227,21cyclictest20820-21ssh09:54:420
14437996227,21cyclictest20820-21ssh09:54:420
14443996122,27cyclictest0-21swapper/206:59:112
171572603,49sleep00-21swapper/007:09:310
171572603,49sleep00-21swapper/007:09:310
14441996012,40cyclictest0-21swapper/106:54:121
14443995924,28cyclictest1124-21snmpd06:10:392
1443799597,10cyclictest22469-21munin-plugin-st10:48:500
14437995940,11cyclictest31885-21unixbench_singl07:39:310
14443995827,26cyclictest0-21swapper/206:54:112
14443995822,18cyclictest0-21swapper/205:59:022
1443799584,13cyclictest0-21swapper/010:49:540
219499570,6rtkit-daemon2193-21rtkit-daemon09:09:130
1444199575,35cyclictest0-21swapper/108:55:421
1444199574,13cyclictest0-21swapper/109:14:101
1444199574,13cyclictest0-21swapper/109:14:101
1443799574,46cyclictest0-21swapper/010:04:150
1443799573,48cyclictest19751-21ssh08:15:540
14437995723,14cyclictest0-21swapper/009:15:590
14437995723,14cyclictest0-21swapper/009:15:590
85142563,44sleep10-21swapper/108:49:081
219499560,6rtkit-daemon2193-21rtkit-daemon10:24:170
219499560,6rtkit-daemon2193-21rtkit-daemon10:14:250
219499560,6rtkit-daemon2193-21rtkit-daemon08:40:140
219499560,5rtkit-daemon2193-21rtkit-daemon10:34:240
219499560,5rtkit-daemon2193-21rtkit-daemon10:34:240
219499560,4rtkit-daemon2193-21rtkit-daemon10:01:560
219499560,4rtkit-daemon2193-21rtkit-daemon08:29:140
19212563,12sleep10-21swapper/108:39:091
1444199564,10cyclictest11063-21yum-updatesd-he09:40:141
14441995628,10cyclictest18706-21needreboot08:14:211
14441995623,12cyclictest25759-21crond10:53:501
14441995611,38cyclictest17759-21timerandwakeup10:39:241
1443799563,45cyclictest0-21swapper/009:34:240
8622553,10sleep10-21swapper/108:36:431
8622553,10sleep10-21swapper/108:36:431
266372555,7sleep00-21swapper/010:54:120
219499550,8rtkit-daemon0-21swapper/306:42:260
219499550,6rtkit-daemon2193-21rtkit-daemon09:44:040
219499550,6rtkit-daemon2193-21rtkit-daemon08:44:060
219499550,5rtkit-daemon2193-21rtkit-daemon09:49:260
1444199555,28cyclictest0-21swapper/107:01:491
1444199554,34cyclictest0-21swapper/108:47:311
1444199554,12cyclictest31086-21unixbench_multi10:59:241
1443799553,13cyclictest0-21swapper/007:59:250
14437995521,28cyclictest32222-21open_files08:34:240
14437995521,28cyclictest32222-21open_files08:34:240
219499540,6rtkit-daemon2193-21rtkit-daemon11:04:010
219499540,5rtkit-daemon2193-21rtkit-daemon09:19:120
150002543,10sleep00-21swapper/008:58:590
1444199547,11cyclictest0-21swapper/109:24:051
14441995441,8cyclictest27466-21gltestperf06:24:191
1444199544,45cyclictest0-21swapper/110:23:051
1444199544,34cyclictest0-21swapper/111:07:441
14437995430,9cyclictest22699-21grep08:19:310
1443799543,44cyclictest0-21swapper/011:19:050
1443799543,44cyclictest0-21swapper/011:19:050
91762532,10sleep00-21swapper/011:16:010
91762532,10sleep00-21swapper/011:16:010
88892533,10sleep10-21swapper/111:14:531
88892533,10sleep10-21swapper/111:14:531
57792533,43sleep10-21swapper/106:46:101
237412532,44sleep00-21swapper/006:16:100
226302533,10sleep10-21swapper/107:22:461
219499530,6rtkit-daemon2193-21rtkit-daemon10:41:320
1444199535,28cyclictest0-21swapper/109:58:321
1444199535,28cyclictest0-21swapper/109:58:321
1443799534,44cyclictest0-21swapper/009:32:160
1443799534,32cyclictest0-21swapper/011:24:100
14437995331,10cyclictest30677-21proc_pri10:59:190
1443799533,26cyclictest0-21swapper/008:24:090
1443799533,26cyclictest0-21swapper/008:12:250
128322532,45sleep00-21swapper/006:59:350
243992523,6sleep124404-21rm09:13:071
219499520,6rtkit-daemon2193-21rtkit-daemon10:21:250
219499520,5rtkit-daemon2193-21rtkit-daemon10:09:030
214792523,42sleep10-21swapper/106:12:441
152932523,41sleep10-21swapper/107:05:291
1444199523,44cyclictest0-21swapper/110:58:391
14441995225,11cyclictest0-21swapper/108:05:441
14441995219,13cyclictest0-21swapper/110:48:501
14441995214,32cyclictest201ktimersoftd/108:24:151
14441995210,9cyclictest7150irq/45-ahci10:38:511
14441995210,9cyclictest7150irq/45-ahci10:38:511
1443799523,43cyclictest0-21swapper/011:09:100
1443799523,42cyclictest0-21swapper/008:54:300
219499510,5rtkit-daemon2193-21rtkit-daemon09:04:280
1444199516,26cyclictest0-21swapper/109:04:091
1444199515,28cyclictest0-21swapper/107:49:171
1444199515,27cyclictest0-21swapper/107:59:231
14441995123,11cyclictest0-21swapper/108:19:291
14441995117,8cyclictest276162sleep110:05:351
1443799514,41cyclictest0-21swapper/008:05:040
1443799512,41cyclictest0-21swapper/010:29:040
14437995114,24cyclictest0-21swapper/009:27:020
208732502,42sleep00-21swapper/006:09:330
201312503,10sleep10-21swapper/107:16:211
1444199506,26cyclictest0-21swapper/106:53:071
1444199506,25cyclictest0-21swapper/110:25:141
1444199505,27cyclictest0-21swapper/106:04:281
1444199505,26cyclictest0-21swapper/110:09:101
1444199504,40cyclictest0-21swapper/109:34:131
1444199504,27cyclictest0-21swapper/111:23:581
14441995035,10cyclictest14839-21grep08:09:151
1444199503,11cyclictest0-21swapper/107:09:141
1444199503,11cyclictest0-21swapper/107:09:141
36692493,39sleep10-21swapper/109:29:191
1444199495,27cyclictest0-21swapper/106:02:581
1444199495,15cyclictest0-21swapper/108:29:181
1444199494,26cyclictest21902-21aten_r1power_fr06:14:141
1444199494,12cyclictest0-21swapper/111:19:121
1444199494,12cyclictest0-21swapper/111:19:121
1444199494,10cyclictest32310-21cpuspeed_turbos10:14:051
14441994931,12cyclictest0-21swapper/109:44:091
14441994917,12cyclictest0-21swapper/107:39:191
14441994915,28cyclictest27023-21unixbench-2d07:29:321
14441994914,8cyclictest107550irq/46-eth009:19:131
14437994927,9cyclictest14721-21telnet05:59:130
248312482,39sleep00-21swapper/007:25:230
23402483,38sleep10-21swapper/107:48:381
1444199486,26cyclictest0-21swapper/106:34:301
1444199484,26cyclictest0-21swapper/107:24:251
1444199483,38cyclictest0-21swapper/110:29:061
1444199483,26cyclictest0-21swapper/107:54:131
1444199483,26cyclictest0-21swapper/107:54:131
14441994820,11cyclictest0-21swapper/109:00:001
14437994819,14cyclictest0-21swapper/007:33:410
83802472,40sleep00-21swapper/006:53:420
297052472,9sleep00-21swapper/007:36:430
188892472,38sleep00-21swapper/006:05:100
1444199475,25cyclictest0-21swapper/106:30:441
1444199475,25cyclictest0-21swapper/106:30:441
1444199474,26cyclictest0-21swapper/107:36:521
1444199474,26cyclictest0-21swapper/106:19:381
1444199473,25cyclictest0-21swapper/109:59:161
1444199472,27cyclictest0-21swapper/106:39:161
1443799474,38cyclictest0-21swapper/007:49:140
14437994734,9cyclictest21176-21grep07:19:160
14437994719,14cyclictest0-21swapper/006:54:120
139772474,6sleep30-21swapper/305:54:303
201052462,10sleep00-21swapper/007:16:000
141742465,34sleep10-21swapper/105:56:051
14437994531,9cyclictest32629-21aten_r1power_po07:44:090
1443799444,25cyclictest0-21swapper/007:04:200
1443799413,32cyclictest0-21swapper/006:24:100
1443799316,15cyclictest0-21swapper/005:59:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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