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2026-09-09 - 11:36

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 792 highest latencies:
System rack1slot6s.osadl.org (updated Wed Sep 09, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
886899934,66cyclictest0-21swapper/321:58:153
886899924,70cyclictest0-21swapper/322:03:343
886899914,74cyclictest0-21swapper/319:39:453
886899913,54cyclictest0-21swapper/321:41:053
886899913,54cyclictest0-21swapper/321:41:053
8868999011,62cyclictest0-21swapper/322:18:153
8868999011,62cyclictest0-21swapper/322:18:153
886899894,13cyclictest0-21swapper/320:55:033
886899894,12cyclictest0-21swapper/320:45:393
886899893,66cyclictest28320-21ssh21:48:453
886899893,61cyclictest0-21swapper/319:08:223
886899884,66cyclictest0-21swapper/321:02:053
886899884,63cyclictest0-21swapper/322:30:163
886899884,62cyclictest0-21swapper/321:53:123
886899884,59cyclictest13203-21df_abs20:38:213
886899884,13cyclictest0-21swapper/320:49:583
886899883,8cyclictest11125-21latency_hist23:02:593
886899875,59cyclictest0-21swapper/322:53:293
886899874,66cyclictest0-21swapper/322:15:413
886899874,61cyclictest0-21swapper/322:09:433
886899874,60cyclictest0-21swapper/321:18:213
886899873,67cyclictest0-21swapper/319:48:383
886899873,62cyclictest0-21swapper/321:26:163
8868998717,53cyclictest13959-21grep21:28:193
8868998714,50cyclictest0-21swapper/320:13:273
8868998714,50cyclictest0-21swapper/320:13:273
8868998711,54cyclictest0-21swapper/322:50:233
886899864,64cyclictest0-21swapper/320:28:313
886899864,14cyclictest0-21swapper/322:43:113
886899864,12cyclictest0-21swapper/318:13:223
886899864,11cyclictest0-21swapper/322:42:033
8868998617,62cyclictest9873-21ssh22:58:573
886899855,62cyclictest1227-21runrttasks19:23:203
886899854,9cyclictest25375-21taskset21:45:063
886899854,59cyclictest0-21swapper/321:09:363
886899854,58cyclictest0-21swapper/321:33:133
886899854,57cyclictest0-21swapper/319:43:103
886899853,60cyclictest0-21swapper/322:34:213
886899853,58cyclictest1474-21diskmemload21:07:293
8868998515,50cyclictest0-21swapper/319:54:263
886899848,54cyclictest107550irq/46-eth021:13:273
886899846,9cyclictest2773-21telnet20:23:163
886899844,58cyclictest0-21swapper/320:35:493
886899844,12cyclictest0-21swapper/320:00:293
886899844,12cyclictest0-21swapper/319:18:193
886899834,62cyclictest0-21swapper/319:13:303
886899834,12cyclictest0-21swapper/317:38:423
886899833,59cyclictest25627-21df_abs20:08:193
886899833,11cyclictest0-21swapper/318:58:273
8868998315,53cyclictest0-21swapper/319:33:243
8868998315,51cyclictest0-21swapper/322:23:123
8868998310,61cyclictest32343-21df_inode20:18:233
886899814,70cyclictest0-21swapper/318:43:083
886899814,70cyclictest0-21swapper/318:28:243
886899814,58cyclictest23679-21unixbench_multi20:03:363
886899804,54cyclictest0-21swapper/318:20:123
886899803,12cyclictest0-21swapper/317:58:393
886899793,61cyclictest0-21swapper/318:03:313
886899785,64cyclictest0-21swapper/319:03:253
886899784,61cyclictest0-21swapper/317:38:113
886899784,59cyclictest0-21swapper/318:23:273
886899784,50cyclictest2215-21gdm-simple-gree18:12:073
886899783,9cyclictest18788-21tail17:53:223
886899774,57cyclictest0-21swapper/318:45:163
886899774,54cyclictest32712-21if_eth019:28:273
886899774,54cyclictest32712-21if_eth019:28:273
886899774,54cyclictest0-21swapper/317:43:453
886899765,12cyclictest0-21swapper/318:53:213
886899763,7cyclictest16816-21munin-node17:48:253
886899754,55cyclictest0-21swapper/318:33:273
886899723,8cyclictest107550irq/46-eth018:48:223
886899723,8cyclictest107550irq/46-eth018:48:223
139662654,9sleep014042-21find18:48:380
139662654,9sleep014042-21find18:48:380
8868996215,41cyclictest8878-21sort17:33:113
8867996220,23cyclictest26-21rcuc/221:23:132
50722623,51sleep00-21swapper/022:03:250
8867996039,14cyclictest0-21swapper/222:58:122
8867996039,14cyclictest0-21swapper/222:58:122
8867996011,30cyclictest0-21swapper/222:03:122
886599603,51cyclictest0-21swapper/021:13:080
313302603,50sleep00-21swapper/019:26:030
311382603,49sleep00-21swapper/018:18:270
886799594,42cyclictest0-21swapper/220:29:292
8867995921,21cyclictest26-21rcuc/220:58:242
886599594,46cyclictest0-21swapper/019:38:380
47912594,11sleep20-21swapper/220:24:142
41482593,8sleep24152-21ssh22:52:172
8867995824,20cyclictest1474-21diskmemload21:41:292
8867995824,20cyclictest1474-21diskmemload21:41:292
8867995740,10cyclictest10564-21cpuspeed_turbos18:43:222
886799574,46cyclictest0-21swapper/221:58:142
886799573,32cyclictest0-21swapper/222:19:162
886799573,32cyclictest0-21swapper/222:19:162
8866995717,23cyclictest11190-21fschecks_count22:13:171
58492573,11sleep20-21swapper/221:15:542
282092574,11sleep20-21swapper/220:13:052
221632573,47sleep222175-21aten_r1power_cu19:08:202
8867995618,20cyclictest0-21swapper/222:53:152
8867995610,26cyclictest0-21swapper/220:53:142
265982563,44sleep00-21swapper/020:58:230
226092562,10sleep00-21swapper/021:42:090
226092562,10sleep00-21swapper/021:42:090
219499560,5rtkit-daemon2193-21rtkit-daemon18:15:401
886799559,31cyclictest0-21swapper/222:39:122
8867995539,10cyclictest29635-21cpuspeed_turbos19:23:212
886799553,37cyclictest0-21swapper/221:32:322
886799552,39cyclictest0-21swapper/221:20:242
886699553,46cyclictest4474-21rm20:23:381
886599554,12cyclictest23288-21fschecks_time20:53:210
886599553,44cyclictest0-21swapper/022:23:220
886599553,44cyclictest0-21swapper/022:14:300
277462550,7sleep20-21swapper/221:48:322
258962552,10sleep00-21swapper/021:47:080
257712552,46sleep00-21swapper/019:13:340
213872554,8sleep10-21swapper/117:58:251
886799544,42cyclictest0-21swapper/218:33:252
886799544,25cyclictest0-21swapper/221:37:382
8867995419,22cyclictest30670-21timerandwakeup21:03:362
886699545,42cyclictest0-21swapper/121:28:021
67122543,8sleep16804-21aten2.4-expect17:28:241
54062543,43sleep10-21swapper/121:14:121
297842543,10sleep00-21swapper/022:41:590
294342543,44sleep10-21swapper/122:40:351
197382542,46sleep10-21swapper/122:26:161
181492542,46sleep10-21swapper/120:45:051
176512543,43sleep00-21swapper/018:58:220
93182532,10sleep10-21swapper/120:33:081
886799538,26cyclictest0-21swapper/220:13:412
886799538,26cyclictest0-21swapper/220:13:412
886799534,29cyclictest0-21swapper/221:58:002
886799534,29cyclictest0-21swapper/220:07:002
886799534,13cyclictest0-21swapper/220:00:292
8867995335,10cyclictest18140-21tune2fs18:58:262
886599533,23cyclictest0-21swapper/022:08:310
87502533,10sleep00-21swapper/020:31:500
84452533,43sleep10-21swapper/122:08:261
140522532,10sleep00-21swapper/019:49:410
134432532,10sleep10-21swapper/117:40:561
112652533,43sleep111363-21munin-node18:43:321
105382533,10sleep10-21swapper/119:44:181
886799525,28cyclictest0-21swapper/219:03:312
886799524,31cyclictest0-21swapper/219:13:192
886799524,29cyclictest0-21swapper/219:33:182
8867995235,11cyclictest21366-21cut22:28:202
886799523,31cyclictest0-21swapper/219:44:092
8867995221,13cyclictest0-21swapper/218:53:372
886799522,36cyclictest0-21swapper/219:40:152
886699524,42cyclictest0-21swapper/122:48:171
886699523,45cyclictest0-21swapper/120:40:261
886699523,42cyclictest11657-21kworker/1:121:58:421
8866995223,24cyclictest0-21swapper/120:48:151
8866995218,28cyclictest31885-21switchtime22:43:311
886599524,43cyclictest0-21swapper/020:48:380
886599523,43cyclictest0-21swapper/022:45:350
886599523,42cyclictest0-21swapper/021:48:150
311212523,10sleep10-21swapper/121:04:201
149502522,44sleep00-21swapper/020:40:250
886799519,25cyclictest0-21swapper/219:48:182
886799517,31cyclictest0-21swapper/220:21:572
886799514,29cyclictest0-21swapper/222:08:242
886799514,28cyclictest0-21swapper/218:18:322
886799514,28cyclictest0-21swapper/217:53:382
886799514,27cyclictest0-21swapper/219:23:072
886799514,12cyclictest0-21swapper/221:10:412
886799514,12cyclictest0-21swapper/218:05:092
8867995117,19cyclictest11821-21strings22:13:262
8867995111,22cyclictest0-21swapper/219:53:322
886699513,42cyclictest1474-21diskmemload23:01:011
886699513,42cyclictest1474-21diskmemload23:01:011
886599514,41cyclictest0-21swapper/019:53:240
886599514,40cyclictest0-21swapper/021:28:200
886599513,44cyclictest0-21swapper/021:57:230
886599513,44cyclictest0-21swapper/019:45:550
886599513,43cyclictest0-21swapper/020:33:180
8865995113,31cyclictest0-21swapper/022:53:120
86032513,6sleep00-21swapper/017:30:160
173132510,17sleep2886799cyclictest20:43:322
146862512,42sleep10-21swapper/118:52:061
146862512,42sleep10-21swapper/118:52:061
141342512,39sleep20-21swapper/220:38:372
886799505,28cyclictest0-21swapper/222:26:542
886799504,28cyclictest0-21swapper/220:33:232
886799504,28cyclictest0-21swapper/218:48:372
886799504,28cyclictest0-21swapper/218:48:372
886799504,28cyclictest0-21swapper/218:13:402
886799504,26cyclictest0-21swapper/217:33:242
8867995022,11cyclictest0-21swapper/222:45:042
8867995020,12cyclictest0-21swapper/218:38:382
886699505,40cyclictest0-21swapper/121:54:351
886699505,37cyclictest6032-21rm20:28:091
886699504,40cyclictest5674-21iostat_ios22:53:201
886699504,39cyclictest0-21swapper/121:19:421
886699503,39cyclictest1616-21ssh20:20:111
8866995018,25cyclictest18842-21ssh19:58:191
8866995017,26cyclictest5553-21tail18:33:221
886599504,12cyclictest0-21swapper/021:03:560
886599503,39cyclictest2360-21rm21:10:130
886599502,11cyclictest0-21swapper/023:02:220
886599502,11cyclictest0-21swapper/023:02:220
48902503,10sleep00-21swapper/020:24:360
279132503,41sleep10-21swapper/118:12:561
278192503,10sleep00-21swapper/018:11:420
264832502,41sleep20-21swapper/222:36:532
227762503,10sleep10-21swapper/121:42:461
227762503,10sleep10-21swapper/121:42:461
207752503,41sleep00-21swapper/017:58:080
14572502,9sleep20-21swapper/219:33:062
14572502,9sleep20-21swapper/219:33:062
886799494,27cyclictest0-21swapper/218:23:412
886799493,26cyclictest0-21swapper/217:43:222
8867994920,12cyclictest0-21swapper/221:43:182
8867994919,12cyclictest0-21swapper/217:38:462
886699494,27cyclictest23489-21seq22:32:591
886699493,41cyclictest0-21swapper/122:06:021
886699493,41cyclictest0-21swapper/120:06:411
886699493,41cyclictest0-21swapper/119:49:271
886699493,40cyclictest30842-21ssh20:15:371
886699493,40cyclictest30842-21ssh20:15:371
886699493,40cyclictest26654-21sendmail_mailst20:08:341
886699493,39cyclictest19355-21rm21:37:181
886699492,11cyclictest0-21swapper/122:19:541
886699492,11cyclictest0-21swapper/122:19:541
886599494,39cyclictest2436-21diskstats19:33:230
8865994935,10cyclictest4409-21grep18:28:370
8865994934,9cyclictest23374-21strings19:08:330
886599493,41cyclictest0-21swapper/022:18:520
886599493,41cyclictest0-21swapper/022:18:520
886599493,41cyclictest0-21swapper/021:22:540
886599493,40cyclictest1124-21snmpd22:32:190
886599493,40cyclictest0-21swapper/020:14:100
886599493,40cyclictest0-21swapper/020:14:100
886599493,39cyclictest0-21swapper/021:23:310
886599493,24cyclictest0-21swapper/019:58:170
886599492,41cyclictest0-21swapper/020:18:290
8865994918,14cyclictest0-21swapper/018:28:080
8865994915,28cyclictest18346-21sed21:33:340
288622493,40sleep10-21swapper/121:50:521
265132492,40sleep10-21swapper/119:15:401
242042493,10sleep00-21swapper/020:05:210
158952493,10sleep00-21swapper/020:43:110
158872492,41sleep00-21swapper/017:46:390
156192493,9sleep10-21swapper/121:30:331
98082483,39sleep10-21swapper/118:40:411
886799484,27cyclictest0-21swapper/220:48:202
886799484,27cyclictest0-21swapper/217:58:322
886799484,24cyclictest0-21swapper/218:28:212
886699484,37cyclictest0-21swapper/119:03:201
886699482,41cyclictest0-21swapper/118:23:211
8865994832,11cyclictest0-21swapper/022:33:180
886599483,39cyclictest3717-21crond22:03:000
886599483,37cyclictest1227-21runrttasks17:52:310
33782483,38sleep00-21swapper/022:49:170
289252482,10sleep00-21swapper/019:21:030
259882482,11sleep10-21swapper/122:34:591
240062482,10sleep10-21swapper/119:09:111
233942482,10sleep00-21swapper/018:03:160
152322483,37sleep10-21swapper/119:53:131
886799474,26cyclictest0-21swapper/218:10:102
886799474,26cyclictest0-21swapper/217:48:222
886699475,36cyclictest0-21swapper/121:43:361
886699474,37cyclictest0-21swapper/119:37:131
886699474,36cyclictest0-21swapper/120:53:211
886699473,40cyclictest0-21swapper/121:11:211
886599474,11cyclictest26973-21munin-node20:08:390
886599473,12cyclictest0-21swapper/018:38:260
8865994718,8cyclictest21930-21latency_hist19:08:080
195302473,10sleep10-21swapper/119:03:021
168652472,10sleep00-21swapper/018:54:230
158512472,10sleep10-21swapper/117:46:121
886699465,34cyclictest0-21swapper/120:58:141
886699464,37cyclictest0-21swapper/118:23:091
886699464,13cyclictest0-21swapper/119:38:191
886699463,37cyclictest0-21swapper/119:19:241
8865994632,9cyclictest9430-21tr17:33:260
886599463,26cyclictest0-21swapper/019:28:230
886599463,26cyclictest0-21swapper/019:28:230
74882463,37sleep00-21swapper/018:36:370
122002462,39sleep00-21swapper/018:45:440
886699455,34cyclictest0-21swapper/119:28:331
886699455,34cyclictest0-21swapper/119:28:331
886699454,34cyclictest0-21swapper/118:53:201
8866994530,10cyclictest17660-21fgrep17:48:391
8866994529,10cyclictest9933-21gltestperf17:33:321
254552452,37sleep10-21swapper/118:07:001
8866994428,10cyclictest30129-21grep19:23:271
886599443,35cyclictest0-21swapper/018:13:220
230162443,36sleep00-21swapper/018:01:180
886699434,24cyclictest0-21swapper/117:53:221
886699433,11cyclictest0-21swapper/118:28:301
886599423,35cyclictest0-21swapper/017:38:330
886799382,23cyclictest0-21swapper/217:33:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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