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2026-05-05 - 18:53

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 Tue May 05, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6181991918,1cyclictest65850irq/126-lan12:00:261
6181991817,1cyclictest65850irq/126-lan09:25:131
6181991817,1cyclictest65850irq/126-lan08:35:121
6181991717,0cyclictest65850irq/126-lan10:44:261
6181991717,0cyclictest65850irq/126-lan09:20:221
6181991717,0cyclictest65850irq/126-lan08:45:111
6181991716,1cyclictest65850irq/126-lan12:30:201
6181991716,1cyclictest65850irq/126-lan12:11:271
6181991716,1cyclictest65850irq/126-lan10:45:101
6181991716,1cyclictest65850irq/126-lan10:25:141
6181991716,1cyclictest65850irq/126-lan10:20:191
6181991716,1cyclictest65850irq/126-lan10:07:261
6181991716,1cyclictest65850irq/126-lan09:45:201
6181991716,1cyclictest65850irq/126-lan08:25:131
6181991616,0cyclictest65850irq/126-lan12:15:161
6181991616,0cyclictest65850irq/126-lan11:39:551
6181991616,0cyclictest65850irq/126-lan09:58:331
6181991616,0cyclictest65850irq/126-lan09:42:261
6181991616,0cyclictest65850irq/126-lan09:31:531
6181991616,0cyclictest65850irq/126-lan08:40:231
6181991616,0cyclictest65850irq/126-lan08:10:131
6181991616,0cyclictest65850irq/126-lan07:45:141
6181991616,0cyclictest65850irq/126-lan07:25:181
6181991615,1cyclictest65850irq/126-lan11:40:201
6181991615,1cyclictest65850irq/126-lan08:50:131
6181991615,1cyclictest65850irq/126-lan07:55:151
6181991515,0cyclictest65850irq/126-lan12:25:131
6181991515,0cyclictest65850irq/126-lan12:05:131
6181991515,0cyclictest65850irq/126-lan08:00:151
6181991515,0cyclictest65850irq/126-lan07:40:001
6181991515,0cyclictest65850irq/126-lan07:20:171
6181991514,1cyclictest65850irq/126-lan12:20:121
6181991514,1cyclictest65850irq/126-lan11:55:151
6181991514,1cyclictest65850irq/126-lan11:30:111
6181991414,0cyclictest65850irq/126-lan10:52:271
6181991414,0cyclictest65850irq/126-lan08:30:191
6181991414,0cyclictest65850irq/126-lan07:17:331
6181991413,1cyclictest65850irq/126-lan09:15:001
6181991413,1cyclictest65850irq/126-lan07:32:261
6173991414,0cyclictest8365-21fwupd08:33:230
6181991313,0cyclictest65850irq/126-lan11:46:031
6181991313,0cyclictest65850irq/126-lan11:15:131
6181991313,0cyclictest65850irq/126-lan10:30:121
6181991312,1cyclictest65850irq/126-lan11:10:161
6181991312,1cyclictest65850irq/126-lan10:35:151
6181991312,1cyclictest65850irq/126-lan09:52:411
6181991312,1cyclictest65850irq/126-lan08:55:001
6181991312,1cyclictest65850irq/126-lan07:40:191
6181991312,1cyclictest65850irq/126-lan07:10:121
6181991212,0cyclictest65850irq/126-lan09:00:131
6181991212,0cyclictest65850irq/126-lan08:15:151
6181991211,1cyclictest65850irq/126-lan11:50:171
6181991211,1cyclictest65850irq/126-lan11:25:171
6181991211,1cyclictest65850irq/126-lan11:20:111
6181991211,1cyclictest65850irq/126-lan10:15:121
6181991211,1cyclictest65850irq/126-lan08:05:121
6181991111,0cyclictest65850irq/126-lan11:05:181
6181991111,0cyclictest65850irq/126-lan09:15:141
6181991110,1cyclictest65850irq/126-lan11:00:111
6188991010,0cyclictest743-21snmpd09:39:463
6181991010,0cyclictest65850irq/126-lan10:55:151
6181991010,0cyclictest65850irq/126-lan09:05:181
61889998,1cyclictest743-21snmpd08:52:543
61889998,1cyclictest743-21snmpd08:49:513
61889997,2cyclictest743-21snmpd10:17:033
61869998,1cyclictest743-21snmpd11:14:522
61869998,1cyclictest743-21snmpd11:06:412
61869995,3cyclictest743-21snmpd08:50:122
61819999,0cyclictest65850irq/126-lan10:04:451
61739998,1cyclictest743-21snmpd11:10:250
61739998,1cyclictest743-21snmpd09:16:440
61739998,1cyclictest743-21snmpd07:44:150
61739998,1cyclictest743-21snmpd07:27:120
61889988,0cyclictest743-21snmpd09:56:593
61889988,0cyclictest743-21snmpd09:23:463
61889988,0cyclictest743-21snmpd07:33:093
61889988,0cyclictest741-21lldpd11:24:263
61889987,1cyclictest743-21snmpd10:36:513
61889987,1cyclictest743-21snmpd10:00:093
61889987,1cyclictest741-21lldpd11:01:433
61889987,1cyclictest741-21lldpd07:15:483
61889986,2cyclictest743-21snmpd10:40:243
61889986,2cyclictest743-21snmpd09:40:403
61869988,0cyclictest741-21lldpd12:28:532
61869988,0cyclictest741-21lldpd10:22:492
61869988,0cyclictest741-21lldpd10:17:542
61869987,1cyclictest743-21snmpd09:16:402
61869987,1cyclictest743-21snmpd07:26:482
61869987,1cyclictest741-21lldpd08:07:192
61869987,1cyclictest573-21in:imuxsock11:16:222
61869987,1cyclictest522-21avahi-daemon07:51:372
61869986,2cyclictest743-21snmpd12:16:542
61869986,2cyclictest743-21snmpd10:35:092
61869986,2cyclictest743-21snmpd07:19:032
61819987,1cyclictest65850irq/126-lan08:20:201
61739988,0cyclictest8366-21gmain10:33:220
61739988,0cyclictest743-21snmpd11:30:110
61739988,0cyclictest743-21snmpd11:09:460
61739988,0cyclictest741-21lldpd11:19:410
61739988,0cyclictest741-21lldpd07:45:520
61739987,1cyclictest743-21snmpd12:39:280
61739987,1cyclictest743-21snmpd12:05:450
61739987,1cyclictest743-21snmpd10:36:430
61739987,1cyclictest743-21snmpd09:52:590
61739987,1cyclictest743-21snmpd08:17:440
61739987,1cyclictest741-21lldpd10:45:030
61739986,2cyclictest743-21snmpd11:21:040
61739986,2cyclictest743-21snmpd09:55:590
61889977,0cyclictest743-21snmpd11:52:333
61889977,0cyclictest743-21snmpd10:55:553
61889977,0cyclictest743-21snmpd09:54:443
61889977,0cyclictest743-21snmpd09:30:523
61889977,0cyclictest741-21lldpd11:58:543
61889977,0cyclictest741-21lldpd11:43:083
61889977,0cyclictest741-21lldpd11:33:483
61889977,0cyclictest741-21lldpd10:23:093
61889977,0cyclictest741-21lldpd10:13:143
61889977,0cyclictest741-21lldpd09:48:403
61889977,0cyclictest741-21lldpd08:12:073
61889977,0cyclictest741-21lldpd07:40:413
61889976,1cyclictest743-21snmpd12:09:423
61889976,1cyclictest743-21snmpd09:15:303
61889976,1cyclictest743-21snmpd07:12:073
61889976,1cyclictest741-21lldpd11:17:213
61889976,1cyclictest741-21lldpd10:08:443
61889976,1cyclictest522-21avahi-daemon08:25:023
61889975,2cyclictest743-21snmpd11:35:483
61889975,2cyclictest743-21snmpd07:48:073
61889975,2cyclictest29062-21cat08:05:153
61889974,3cyclictest26768-21diskstats12:10:133
61889973,3cyclictest17356-21ntp_states11:45:173
61869977,0cyclictest743-21snmpd09:02:212
61869977,0cyclictest741-21lldpd10:05:502
61869977,0cyclictest741-21lldpd09:57:522
61869977,0cyclictest741-21lldpd09:41:162
61869977,0cyclictest741-21lldpd09:05:232
61869977,0cyclictest741-21lldpd07:49:442
61869975,2cyclictest743-21snmpd12:13:252
61869975,2cyclictest743-21snmpd11:24:322
61869975,2cyclictest743-21snmpd09:46:232
61869975,2cyclictest743-21snmpd08:01:222
61869972,4cyclictest244-20systemd-journal07:22:452
61819977,0cyclictest65850irq/126-lan12:36:341
61819975,2cyclictest743-21snmpd07:50:311
61739977,0cyclictest743-21snmpd12:24:000
61739977,0cyclictest743-21snmpd12:03:030
61739977,0cyclictest743-21snmpd10:52:000
61739977,0cyclictest743-21snmpd10:41:450
61739977,0cyclictest743-21snmpd10:11:260
61739977,0cyclictest743-21snmpd09:10:120
61739977,0cyclictest741-21lldpd12:30:000
61739977,0cyclictest741-21lldpd11:38:140
61739977,0cyclictest506-21systemd-resolve07:19:490
61739976,1cyclictest743-21snmpd10:25:240
61739976,1cyclictest743-21snmpd10:24:580
61739976,1cyclictest743-21snmpd08:55:060
61739976,1cyclictest741-21lldpd12:25:350
61739976,1cyclictest741-21lldpd09:42:400
61739975,2cyclictest743-21snmpd12:14:160
61739975,2cyclictest743-21snmpd11:27:500
61739975,2cyclictest743-21snmpd10:09:590
61739975,2cyclictest743-21snmpd08:53:450
61739975,2cyclictest743-21snmpd08:27:080
61739975,2cyclictest743-21snmpd08:05:310
61889966,0cyclictest743-21snmpd07:20:153
61889966,0cyclictest741-21lldpd11:09:143
61889966,0cyclictest741-21lldpd10:34:053
61889966,0cyclictest741-21lldpd10:27:073
61889966,0cyclictest741-21lldpd08:40:093
61889966,0cyclictest522-21avahi-daemon12:03:533
61889965,1cyclictest743-21snmpd12:32:243
61889965,1cyclictest743-21snmpd08:00:403
61889965,1cyclictest741-21lldpd07:35:283
61889964,2cyclictest743-21snmpd09:29:583
61889964,2cyclictest743-21snmpd08:36:503
61889964,2cyclictest743-21snmpd07:51:463
61889963,3cyclictest557-21NetworkManager12:24:453
61889962,4cyclictest557-21NetworkManager07:56:393
61869966,0cyclictest741-21lldpd12:30:182
61869966,0cyclictest741-21lldpd11:45:162
61869966,0cyclictest741-21lldpd09:27:202
61869966,0cyclictest741-21lldpd07:33:582
61869966,0cyclictest506-21systemd-resolve09:13:092
61869965,1cyclictest743-21snmpd11:00:402
61869965,1cyclictest741-21lldpd11:36:322
61869965,1cyclictest557-21NetworkManager11:40:122
61869965,1cyclictest506-21systemd-resolve07:41:272
61869965,1cyclictest29989-21cron11:00:002
61869964,2cyclictest743-21snmpd12:22:062
61869964,2cyclictest743-21snmpd08:42:172
61869964,2cyclictest7324-21cups-browsed11:33:372
61869964,2cyclictest26666-21cat10:50:152
61869962,3cyclictest24945-21sed07:55:162
61819965,1cyclictest741-21lldpd10:11:181
61739966,0cyclictest743-21snmpd09:45:280
61739966,0cyclictest743-21snmpd08:46:090
61739966,0cyclictest522-21avahi-daemon08:11:420
61739966,0cyclictest0-21swapper/007:51:370
61739965,1cyclictest741-21lldpd10:02:560
61739965,1cyclictest7324-21cups-browsed11:43:020
61739965,1cyclictest21859-21head11:55:230
61739964,2cyclictest743-21snmpd11:47:530
61739964,2cyclictest743-21snmpd10:15:230
61739964,2cyclictest743-21snmpd08:21:110
61739964,2cyclictest743-21snmpd07:14:510
61739964,2cyclictest11271-21cat08:40:150
61739963,3cyclictest557-21NetworkManager10:55:200
61739962,3cyclictest244-20systemd-journal09:33:410
61889955,0cyclictest743-21snmpd10:50:063
61889955,0cyclictest741-21lldpd09:05:493
61889955,0cyclictest522-21avahi-daemon12:17:253
61889954,1cyclictest24989-21ntpq10:45:153
61889953,2cyclictest743-21snmpd09:02:543
61889953,2cyclictest7181-21cat08:30:143
61889952,3cyclictest557-21NetworkManager07:29:403
61889952,2cyclictest4932-21needreboot12:35:153
61889951,3cyclictest24093-21sed09:10:173
61889951,3cyclictest1024-21sed12:25:173
61889950,3cyclictest16831-21/usr/sbin/munin08:55:143
61869955,0cyclictest743-21snmpd11:50:412
61869955,0cyclictest743-21snmpd10:40:332
61869955,0cyclictest0-21swapper/208:45:112
61869955,0cyclictest0-21swapper/208:30:172
61869954,1cyclictest743-21snmpd10:11:022
61869954,1cyclictest421ktimers/211:25:182
61869954,1cyclictest18603-21latency_hist09:00:002
61869954,1cyclictest0-21swapper/208:25:142
61869953,2cyclictest743-21snmpd12:01:452
61869953,2cyclictest743-21snmpd09:50:112
61869953,2cyclictest24655-21cat10:45:132
61869952,3cyclictest557-21NetworkManager09:20:172
61869952,3cyclictest557-21NetworkManager07:10:072
61869952,2cyclictest5955-21seq12:39:062
61869952,2cyclictest244-20systemd-journal09:37:392
61869952,2cyclictest20973-21cat11:55:152
61869951,3cyclictest971-21perl08:15:122
61869951,3cyclictest25062-21sed12:05:142
61869951,3cyclictest15996-21perl10:25:132
61819954,1cyclictest65850irq/126-lan09:35:101
61739955,0cyclictest741-21lldpd12:15:440
61739955,0cyclictest741-21lldpd07:22:380
61739954,1cyclictest9539-21ntpq08:35:140
61739954,1cyclictest244-20systemd-journal09:00:060
61739954,1cyclictest0-21swapper/008:00:130
61739953,2cyclictest743-21snmpd11:54:140
61739953,2cyclictest743-21snmpd09:36:070
61739953,0cyclictest0-21swapper/007:35:130
61739952,3cyclictest557-21NetworkManager09:08:320
61739952,3cyclictest557-21NetworkManager07:30:410
61739952,2cyclictest27782-21sh09:20:150
61739951,3cyclictest25942-21awk07:55:230
61889941,2cyclictest8059-21ls11:25:123
61889941,2cyclictest3006-21tune2fs08:20:133
61889941,2cyclictest2351-21awk11:10:133
61889940,4cyclictest557-21NetworkManager08:15:543
61869942,2cyclictest244-20systemd-journal07:39:592
61869941,2cyclictest8748-21date08:35:002
61869941,2cyclictest8614-21seq10:03:172
61869941,2cyclictest30845-21cp08:10:002
61869941,2cyclictest2861-21tr08:20:122
61869941,2cyclictest17810-21apt-config10:30:002
61869940,3cyclictest32235-21ntpq09:30:172
61739942,2cyclictest29569-21entropy09:25:140
61739940,3cyclictest31071-21ntpq11:00:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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