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2026-01-04 - 01:50

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, 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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack8slot6s.osadl.org (updated Sat Jan 03, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6186991919,0cyclictest65850irq/126-lan10:35:490
6186991918,1cyclictest65850irq/126-lan07:55:170
6186991918,1cyclictest65850irq/126-lan07:35:180
6186991818,0cyclictest65850irq/126-lan12:00:190
6186991818,0cyclictest65850irq/126-lan09:40:010
6186991818,0cyclictest65850irq/126-lan09:10:190
6186991818,0cyclictest65850irq/126-lan07:41:540
6186991817,1cyclictest65850irq/126-lan11:44:580
6186991817,1cyclictest65850irq/126-lan10:49:220
6201991717,0cyclictest743-21snmpd10:16:023
6186991717,0cyclictest8830-21cat07:15:150
6186991717,0cyclictest743-21snmpd07:30:240
6186991717,0cyclictest65850irq/126-lan11:45:000
6186991717,0cyclictest65850irq/126-lan07:45:160
6186991716,1cyclictest65850irq/126-lan08:00:150
6186991616,0cyclictest743-21snmpd11:54:320
6186991616,0cyclictest743-21snmpd08:46:280
6186991616,0cyclictest65850irq/126-lan12:25:150
6186991616,0cyclictest65850irq/126-lan10:56:270
6186991616,0cyclictest65850irq/126-lan10:15:180
6186991616,0cyclictest65850irq/126-lan09:30:140
6186991616,0cyclictest65850irq/126-lan08:25:130
6186991616,0cyclictest65850irq/126-lan08:05:110
6186991616,0cyclictest65850irq/126-lan07:11:210
6186991616,0cyclictest5608-21cat09:45:130
6186991615,1cyclictest65850irq/126-lan12:30:190
6186991615,1cyclictest65850irq/126-lan12:20:150
6186991615,1cyclictest65850irq/126-lan12:15:180
6186991615,1cyclictest65850irq/126-lan11:55:160
6186991615,1cyclictest65850irq/126-lan11:35:130
6186991615,1cyclictest65850irq/126-lan11:00:180
6186991615,1cyclictest65850irq/126-lan09:15:150
6201991515,0cyclictest743-21snmpd12:20:483
6186991515,0cyclictest743-21snmpd08:34:110
6186991515,0cyclictest65850irq/126-lan12:10:490
6186991515,0cyclictest65850irq/126-lan11:20:170
6186991515,0cyclictest65850irq/126-lan10:40:360
6186991515,0cyclictest65850irq/126-lan10:20:120
6186991515,0cyclictest65850irq/126-lan10:07:190
6186991515,0cyclictest65850irq/126-lan10:07:190
6186991515,0cyclictest65850irq/126-lan09:55:160
6186991515,0cyclictest65850irq/126-lan09:05:380
6186991515,0cyclictest65850irq/126-lan08:55:130
6186991515,0cyclictest65850irq/126-lan08:20:130
6186991515,0cyclictest65850irq/126-lan07:52:590
6186991514,1cyclictest65850irq/126-lan10:50:160
6186991514,1cyclictest65850irq/126-lan08:40:210
6186991414,0cyclictest743-21snmpd09:04:340
6186991414,0cyclictest743-21snmpd07:28:160
6186991414,0cyclictest65850irq/126-lan12:35:160
6186991414,0cyclictest65850irq/126-lan11:30:230
6186991414,0cyclictest65850irq/126-lan10:00:230
6186991414,0cyclictest65850irq/126-lan10:00:220
6186991414,0cyclictest65850irq/126-lan08:50:310
6186991414,0cyclictest65850irq/126-lan07:20:080
6186991414,0cyclictest1567-21cat09:35:160
6186991413,1cyclictest65850irq/126-lan09:50:190
6186991413,1cyclictest65850irq/126-lan09:25:110
6201991313,0cyclictest743-21snmpd12:29:463
6186991312,1cyclictest65850irq/126-lan11:17:290
6186991312,1cyclictest65850irq/126-lan10:30:170
6186991312,1cyclictest65850irq/126-lan10:10:150
6186991312,1cyclictest65850irq/126-lan09:20:110
6201991212,0cyclictest743-21snmpd11:56:243
6201991212,0cyclictest743-21snmpd11:23:073
6201991212,0cyclictest743-21snmpd08:23:323
6201991212,0cyclictest743-21snmpd07:41:463
6201991212,0cyclictest15732-21cat08:50:253
6186991212,0cyclictest65850irq/126-lan11:25:110
6186991211,1cyclictest65850irq/126-lan11:10:130
6201991111,0cyclictest743-21snmpd12:35:493
6201991111,0cyclictest743-21snmpd12:17:153
6201991111,0cyclictest743-21snmpd12:09:273
6201991111,0cyclictest743-21snmpd11:12:323
6201991111,0cyclictest743-21snmpd11:06:073
6201991111,0cyclictest743-21snmpd11:00:073
6201991111,0cyclictest743-21snmpd10:29:453
6201991111,0cyclictest743-21snmpd09:50:443
6201991111,0cyclictest743-21snmpd09:00:063
6201991111,0cyclictest15326-21cat07:30:143
6186991111,0cyclictest65850irq/126-lan11:05:210
6186991111,0cyclictest65850irq/126-lan10:25:240
6186991111,0cyclictest65850irq/126-lan08:35:110
6186991111,0cyclictest65850irq/126-lan08:10:210
6186991110,1cyclictest65850irq/126-lan12:05:450
6186991110,1cyclictest65850irq/126-lan08:15:130
6201991010,0cyclictest743-21snmpd12:13:283
6201991010,0cyclictest743-21snmpd12:00:033
6201991010,0cyclictest743-21snmpd11:41:213
6201991010,0cyclictest743-21snmpd10:02:063
6201991010,0cyclictest743-21snmpd10:02:053
6201991010,0cyclictest743-21snmpd09:32:233
6201991010,0cyclictest743-21snmpd09:29:073
6201991010,0cyclictest743-21snmpd09:22:163
6201991010,0cyclictest743-21snmpd09:05:153
6201991010,0cyclictest743-21snmpd08:11:483
6201991010,0cyclictest743-21snmpd08:09:263
6201991010,0cyclictest743-21snmpd07:53:223
62019999,0cyclictest743-21snmpd11:19:343
62019998,1cyclictest743-21snmpd10:32:243
62019998,1cyclictest743-21snmpd09:35:373
61959998,1cyclictest743-21snmpd12:39:492
61959998,1cyclictest743-21snmpd11:11:112
61959998,1cyclictest743-21snmpd11:04:582
61959998,1cyclictest743-21snmpd10:52:092
61959998,1cyclictest743-21snmpd09:19:082
61959998,1cyclictest743-21snmpd07:44:342
61959996,3cyclictest743-21snmpd11:39:082
61909998,1cyclictest743-21snmpd09:21:311
62019988,0cyclictest743-21snmpd09:48:573
62019988,0cyclictest743-21snmpd08:18:413
62019987,1cyclictest743-21snmpd10:57:113
62019987,1cyclictest522-21avahi-daemon09:13:203
62019986,2cyclictest743-21snmpd08:29:093
62019986,2cyclictest743-21snmpd07:14:333
61959988,0cyclictest743-21snmpd09:12:542
61959988,0cyclictest743-21snmpd08:37:112
61959988,0cyclictest741-21lldpd10:11:232
61959988,0cyclictest741-21lldpd10:09:022
61959988,0cyclictest741-21lldpd10:09:022
61959988,0cyclictest741-21lldpd08:47:412
61959988,0cyclictest741-21lldpd08:21:372
61959988,0cyclictest741-21lldpd08:02:582
61959987,1cyclictest743-21snmpd11:05:282
61959987,1cyclictest743-21snmpd09:45:052
61959987,1cyclictest743-21snmpd09:43:012
61959987,1cyclictest741-21lldpd12:03:582
61959987,1cyclictest741-21lldpd07:36:082
61959987,1cyclictest741-21lldpd07:31:082
61959986,2cyclictest743-21snmpd12:09:512
61959986,2cyclictest743-21snmpd11:41:002
61959986,2cyclictest743-21snmpd10:36:032
61959986,2cyclictest743-21snmpd09:55:202
61959986,2cyclictest743-21snmpd09:50:322
61959986,2cyclictest743-21snmpd08:19:592
61959986,2cyclictest743-21snmpd07:51:342
61909988,0cyclictest741-21lldpd11:40:551
61909987,1cyclictest743-21snmpd10:57:351
61909987,1cyclictest743-21snmpd08:00:011
61909986,2cyclictest743-21snmpd11:36:141
61909986,2cyclictest743-21snmpd10:49:331
61909986,2cyclictest743-21snmpd10:28:101
62019977,0cyclictest743-21snmpd11:47:203
62019977,0cyclictest741-21lldpd10:24:053
62019976,1cyclictest743-21snmpd07:47:163
62019976,1cyclictest522-21avahi-daemon08:48:483
62019976,1cyclictest522-21avahi-daemon08:40:253
62019976,1cyclictest4907-21sh09:45:003
62019975,2cyclictest743-21snmpd12:30:453
61959977,0cyclictest743-21snmpd09:09:152
61959977,0cyclictest741-21lldpd10:45:012
61959977,0cyclictest741-21lldpd07:59:172
61959977,0cyclictest741-21lldpd07:14:182
61959977,0cyclictest3649-21idleruntime-cro11:00:012
61959976,1cyclictest743-21snmpd12:16:042
61959976,1cyclictest743-21snmpd12:12:372
61959976,1cyclictest26783-21fschecks_time11:55:122
61959976,1cyclictest24571-21cut10:30:142
61959975,2cyclictest743-21snmpd12:33:552
61959975,2cyclictest743-21snmpd12:26:282
61959975,2cyclictest743-21snmpd11:34:022
61959975,2cyclictest743-21snmpd10:44:372
61959975,2cyclictest743-21snmpd10:18:112
61959975,2cyclictest743-21snmpd09:29:132
61959975,2cyclictest743-21snmpd07:46:102
61959975,2cyclictest743-21snmpd07:27:572
61959975,2cyclictest743-21snmpd07:21:092
61959975,2cyclictest743-21snmpd07:17:542
61909977,0cyclictest743-21snmpd10:23:511
61909977,0cyclictest743-21snmpd09:02:091
61909977,0cyclictest743-21snmpd08:59:451
61909977,0cyclictest743-21snmpd07:50:041
61909977,0cyclictest743-21snmpd07:26:131
61909977,0cyclictest741-21lldpd11:05:351
61909977,0cyclictest741-21lldpd08:41:471
61909977,0cyclictest741-21lldpd08:37:291
61909977,0cyclictest741-21lldpd08:26:091
61909976,1cyclictest743-21snmpd09:38:431
61909976,1cyclictest741-21lldpd10:36:331
61909976,1cyclictest741-21lldpd07:19:421
61909976,1cyclictest522-21avahi-daemon12:05:491
61909976,1cyclictest522-21avahi-daemon09:31:281
61909976,1cyclictest506-21systemd-resolve08:10:231
61909975,2cyclictest9163-21cat12:30:151
61909975,2cyclictest743-21snmpd07:24:301
62019966,0cyclictest741-21lldpd10:52:203
62019965,1cyclictest743-21snmpd09:16:043
62019964,2cyclictest743-21snmpd10:06:003
62019964,2cyclictest743-21snmpd10:05:593
62019964,2cyclictest743-21snmpd08:59:223
62019963,2cyclictest11028-21sed07:20:153
62019962,3cyclictest17033-21sed10:10:203
61959966,0cyclictest741-21lldpd08:14:452
61959965,1cyclictest743-21snmpd12:20:512
61959965,1cyclictest522-21avahi-daemon11:27:222
61959964,2cyclictest743-21snmpd08:54:542
61959964,2cyclictest0-21swapper/210:25:002
61959962,3cyclictest22978-21cut11:45:142
61909966,0cyclictest743-21snmpd07:44:411
61909966,0cyclictest741-21lldpd12:24:081
61909966,0cyclictest741-21lldpd11:22:581
61909966,0cyclictest741-21lldpd09:14:031
61909966,0cyclictest522-21avahi-daemon09:25:041
61909966,0cyclictest522-21avahi-daemon08:05:051
61909966,0cyclictest522-21avahi-daemon07:56:161
61909965,1cyclictest743-21snmpd11:02:311
61909965,1cyclictest741-21lldpd10:51:031
61909965,1cyclictest15517-21needreboot07:30:151
61909964,2cyclictest743-21snmpd10:44:251
61909964,2cyclictest743-21snmpd10:10:571
61909964,2cyclictest743-21snmpd10:04:241
61909964,2cyclictest743-21snmpd10:04:231
61909964,2cyclictest743-21snmpd09:42:551
61909964,2cyclictest743-21snmpd08:54:361
61909961,5cyclictest557-21NetworkManager08:48:441
62019955,0cyclictest743-21snmpd10:46:393
62019955,0cyclictest6181-21cyclictest07:55:133
62019955,0cyclictest506-21systemd-resolve11:36:113
62019954,1cyclictest9847-21needreboot08:35:143
62019953,2cyclictest743-21snmpd11:52:443
62019953,2cyclictest743-21snmpd07:37:253
62019952,3cyclictest557-21NetworkManager11:28:503
62019952,2cyclictest9513-21head09:55:143
62019952,2cyclictest28131-21cut10:40:013
62019952,2cyclictest16753-21gltestperf11:30:143
61959955,0cyclictest743-21snmpd08:25:152
61959955,0cyclictest741-21lldpd09:20:192
61959953,2cyclictest743-21snmpd08:06:192
61959952,2cyclictest7988-21ntpq08:30:162
61959952,2cyclictest31822-21smartctl09:30:152
61959951,3cyclictest244-20systemd-journal08:40:172
61909955,0cyclictest741-21lldpd12:25:181
61909955,0cyclictest741-21lldpd12:13:281
61909955,0cyclictest741-21lldpd09:06:271
61909955,0cyclictest522-21avahi-daemon12:35:061
61909955,0cyclictest522-21avahi-daemon10:05:311
61909955,0cyclictest522-21avahi-daemon10:05:311
61909955,0cyclictest0-21swapper/108:35:001
61909954,1cyclictest743-21snmpd07:11:541
61909954,1cyclictest522-21avahi-daemon11:52:191
61909954,1cyclictest21873-21ntpq07:45:171
61909953,2cyclictest743-21snmpd11:30:531
61909952,3cyclictest18531-21ntpq10:15:151
61909952,3cyclictest18331-21seq07:36:051
61909952,2cyclictest28932-21cut12:00:151
61909952,2cyclictest14582-21grep11:25:121
61909951,3cyclictest27091-21memory11:55:131
61909951,3cyclictest24997-21ntpq10:30:181
61909951,3cyclictest244-20systemd-journal11:15:271
61909950,4cyclictest9761-21memory09:55:161
62019942,2cyclictest28530-21fw_packets10:40:133
62019941,2cyclictest7474-21grep08:30:123
62019941,2cyclictest13060-21cat07:25:163
62019940,3cyclictest27661-21diskstats08:00:123
62019940,2cyclictest8498-21grep07:15:133
61959943,1cyclictest22631-21irqstats10:25:172
61959942,2cyclictest743-21snmpd11:15:072
61959942,2cyclictest557-21NetworkManager11:50:032
61959942,2cyclictest12085-21ld10:00:202
61959942,2cyclictest12085-21ld10:00:192
61959941,2cyclictest19335-21cpu09:00:112
61959941,2cyclictest12977-21load11:20:132
61959941,2cyclictest1099-21find09:35:132
61959940,3cyclictest18066-21ntpq08:55:182
61909941,2cyclictest9602-21cat11:10:201
61909941,2cyclictest5756-21wc09:45:151
61909941,2cyclictest3918-21ntpq08:20:161
61909941,2cyclictest2786-21expr12:15:141
61909941,2cyclictest22852-21gltestperf11:45:131
61909941,2cyclictest1707-21missed_timers08:15:151
61909940,4cyclictest8028-21ntpq09:50:191
61909940,3cyclictest25631-21/usr/sbin/munin09:15:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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