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2026-08-05 - 20:41

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 Wed Aug 05, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30286992019,1cyclictest65850irq/126-lan10:44:380
30286991918,1cyclictest65850irq/126-lan11:28:380
30286991918,1cyclictest65850irq/126-lan10:50:190
30286991818,0cyclictest65850irq/126-lan10:55:390
30286991818,0cyclictest65850irq/126-lan10:27:370
30286991817,1cyclictest65850irq/126-lan12:17:280
30286991817,1cyclictest65850irq/126-lan12:01:240
30286991817,1cyclictest65850irq/126-lan11:35:180
30286991716,1cyclictest65850irq/126-lan11:20:150
30286991716,1cyclictest65850irq/126-lan11:05:180
30286991716,1cyclictest65850irq/126-lan10:20:170
30286991716,1cyclictest65850irq/126-lan10:00:140
30286991616,0cyclictest65850irq/126-lan11:50:170
30286991615,1cyclictest65850irq/126-lan11:40:200
30286991615,1cyclictest65850irq/126-lan10:30:140
30286991615,1cyclictest65850irq/126-lan09:40:500
30286991615,1cyclictest65850irq/126-lan09:13:030
30286991615,1cyclictest65850irq/126-lan07:30:000
30286991615,1cyclictest65850irq/126-lan07:14:550
30286991515,0cyclictest65850irq/126-lan08:17:530
30286991514,1cyclictest65850irq/126-lan12:30:170
30286991514,1cyclictest65850irq/126-lan12:25:120
30286991514,1cyclictest65850irq/126-lan11:15:250
30286991514,1cyclictest65850irq/126-lan11:00:110
30286991514,1cyclictest65850irq/126-lan09:55:170
30286991514,1cyclictest65850irq/126-lan09:50:140
30286991414,0cyclictest65850irq/126-lan12:20:140
30286991414,0cyclictest65850irq/126-lan09:33:060
30286991413,1cyclictest65850irq/126-lan11:55:110
30286991413,1cyclictest65850irq/126-lan11:10:110
30286991413,1cyclictest65850irq/126-lan10:39:590
30286991413,1cyclictest65850irq/126-lan10:15:180
30286991413,1cyclictest65850irq/126-lan09:20:590
30286991413,1cyclictest65850irq/126-lan08:30:450
30286991313,0cyclictest65850irq/126-lan12:35:170
30286991313,0cyclictest65850irq/126-lan12:10:140
30286991313,0cyclictest65850irq/126-lan11:30:130
30286991313,0cyclictest65850irq/126-lan08:07:570
30286991312,1cyclictest65850irq/126-lan11:45:160
30286991312,1cyclictest65850irq/126-lan08:54:390
30286991212,0cyclictest65850irq/126-lan07:47:520
30286991211,1cyclictest65850irq/126-lan12:05:130
30286991211,1cyclictest65850irq/126-lan10:10:120
30286991111,0cyclictest65850irq/126-lan08:25:010
30286991111,0cyclictest65850irq/126-lan07:22:510
3028699109,1cyclictest65850irq/126-lan10:45:130
3028699109,1cyclictest1-21systemd07:50:490
303039998,1cyclictest743-21snmpd11:40:343
303039998,1cyclictest743-21snmpd10:41:553
303039998,1cyclictest743-21snmpd09:59:123
303039998,1cyclictest743-21snmpd08:46:553
303039998,1cyclictest29332-21cut11:30:133
302999998,1cyclictest743-21snmpd10:04:062
302999998,1cyclictest743-21snmpd09:44:232
302999998,1cyclictest741-21lldpd09:31:242
302949998,1cyclictest743-21snmpd09:41:321
302949998,1cyclictest743-21snmpd07:52:101
302949998,1cyclictest21879-21ntp_offset09:55:181
303039988,0cyclictest743-21snmpd12:28:393
303039988,0cyclictest743-21snmpd09:45:083
303039988,0cyclictest743-21snmpd08:15:423
303039988,0cyclictest743-21snmpd07:44:073
303039988,0cyclictest741-21lldpd08:02:353
303039988,0cyclictest741-21lldpd07:23:403
303039987,1cyclictest743-21snmpd10:16:093
303039987,1cyclictest743-21snmpd08:14:113
303039986,2cyclictest743-21snmpd10:02:483
303039986,2cyclictest743-21snmpd08:54:093
303039986,2cyclictest743-21snmpd08:36:093
302999988,0cyclictest743-21snmpd11:55:262
302999988,0cyclictest743-21snmpd10:34:552
302999988,0cyclictest741-21lldpd08:49:272
302999988,0cyclictest741-21lldpd07:18:112
302999987,1cyclictest743-21snmpd10:35:352
302999987,1cyclictest741-21lldpd10:53:492
302999986,2cyclictest743-21snmpd12:36:172
302999986,2cyclictest743-21snmpd12:23:552
302999986,2cyclictest743-21snmpd11:31:062
302999986,2cyclictest743-21snmpd09:15:382
302949988,0cyclictest743-21snmpd11:51:541
302949988,0cyclictest741-21lldpd11:30:521
302949988,0cyclictest741-21lldpd10:58:571
302949988,0cyclictest741-21lldpd09:30:011
302949987,1cyclictest743-21snmpd10:11:071
302949987,1cyclictest743-21snmpd08:06:501
302949986,2cyclictest743-21snmpd11:45:251
302949986,2cyclictest743-21snmpd09:21:111
302949986,2cyclictest743-21snmpd07:41:281
302869988,0cyclictest741-21lldpd07:39:470
302869988,0cyclictest741-21lldpd07:39:470
302869987,1cyclictest741-21lldpd08:55:540
302869987,1cyclictest741-21lldpd07:30:170
302869987,1cyclictest65850irq/126-lan09:25:040
302869986,2cyclictest743-21snmpd10:06:000
303039977,0cyclictest743-21snmpd11:57:533
303039977,0cyclictest743-21snmpd09:09:343
303039977,0cyclictest741-21lldpd11:05:273
303039977,0cyclictest741-21lldpd10:53:433
303039977,0cyclictest741-21lldpd09:28:233
303039977,0cyclictest522-21avahi-daemon09:35:373
303039976,1cyclictest743-21snmpd12:03:133
303039976,1cyclictest743-21snmpd11:24:473
303039976,1cyclictest743-21snmpd07:45:413
303039976,1cyclictest741-21lldpd12:15:513
303039976,1cyclictest741-21lldpd08:58:063
303039975,2cyclictest743-21snmpd11:54:423
303039975,2cyclictest743-21snmpd10:55:443
303039975,2cyclictest743-21snmpd09:10:433
303039975,2cyclictest743-21snmpd07:38:193
303039975,2cyclictest743-21snmpd07:38:183
303039973,3cyclictest31347-21df_inode10:20:123
302999977,0cyclictest743-21snmpd12:17:502
302999977,0cyclictest743-21snmpd10:23:222
302999977,0cyclictest743-21snmpd10:08:492
302999977,0cyclictest743-21snmpd09:45:262
302999977,0cyclictest743-21snmpd08:36:512
302999977,0cyclictest741-21lldpd12:29:292
302999977,0cyclictest741-21lldpd09:58:032
302999977,0cyclictest741-21lldpd07:46:182
302999976,1cyclictest743-21snmpd11:11:542
302999976,1cyclictest743-21snmpd09:36:092
302999976,1cyclictest743-21snmpd08:24:202
302999976,1cyclictest743-21snmpd07:41:252
302999976,1cyclictest741-21lldpd11:18:572
302999975,2cyclictest743-21snmpd11:37:542
302999975,2cyclictest743-21snmpd09:04:052
302999975,2cyclictest743-21snmpd08:11:262
302999973,3cyclictest743-21snmpd08:40:452
302949977,0cyclictest743-21snmpd12:22:131
302949977,0cyclictest743-21snmpd08:50:091
302949977,0cyclictest743-21snmpd08:48:091
302949977,0cyclictest743-21snmpd08:24:261
302949977,0cyclictest743-21snmpd08:15:301
302949977,0cyclictest743-21snmpd08:14:321
302949977,0cyclictest743-21snmpd07:55:371
302949977,0cyclictest743-21snmpd07:16:451
302949977,0cyclictest741-21lldpd11:44:221
302949977,0cyclictest741-21lldpd11:35:131
302949977,0cyclictest741-21lldpd09:18:491
302949977,0cyclictest741-21lldpd09:00:011
302949977,0cyclictest741-21lldpd08:00:331
302949977,0cyclictest573-21in:imuxsock12:30:401
302949976,1cyclictest743-21snmpd10:38:131
302949976,1cyclictest743-21snmpd07:30:031
302949976,1cyclictest741-21lldpd09:11:311
302949976,1cyclictest522-21avahi-daemon11:05:251
302949976,1cyclictest19714-21needreboot09:50:121
302949975,2cyclictest743-21snmpd12:14:231
302949975,2cyclictest743-21snmpd11:20:531
302949975,2cyclictest743-21snmpd11:14:151
302949975,2cyclictest743-21snmpd10:44:081
302869977,0cyclictest741-21lldpd08:42:060
302869977,0cyclictest741-21lldpd08:04:360
302869977,0cyclictest741-21lldpd07:55:140
302869977,0cyclictest741-21lldpd07:44:310
302869977,0cyclictest506-21systemd-resolve08:35:540
302869976,1cyclictest522-21avahi-daemon09:48:200
302869976,1cyclictest506-21systemd-resolve07:17:480
302869975,2cyclictest743-21snmpd08:28:350
303039966,0cyclictest743-21snmpd09:33:113
303039966,0cyclictest743-21snmpd09:01:193
303039966,0cyclictest522-21avahi-daemon09:21:123
303039966,0cyclictest522-21avahi-daemon08:09:293
303039966,0cyclictest506-21systemd-resolve09:44:303
303039965,1cyclictest743-21snmpd12:24:553
303039965,1cyclictest743-21snmpd11:37:393
303039965,1cyclictest743-21snmpd10:09:253
303039965,1cyclictest743-21snmpd08:28:503
303039965,1cyclictest743-21snmpd07:55:583
303039965,1cyclictest741-21lldpd09:52:463
303039965,1cyclictest522-21avahi-daemon10:48:073
303039965,1cyclictest21506-21fschecks_time12:30:133
303039964,2cyclictest743-21snmpd11:02:593
303039963,2cyclictest743-21snmpd08:20:053
303039963,2cyclictest244-20systemd-journal12:12:073
303039962,3cyclictest4546-21fw_packets10:30:143
303039961,4cyclictest557-21NetworkManager07:31:403
302999966,0cyclictest743-21snmpd11:41:372
302999966,0cyclictest741-21lldpd12:12:382
302999966,0cyclictest741-21lldpd10:45:582
302999966,0cyclictest522-21avahi-daemon07:54:432
302999965,1cyclictest743-21snmpd07:10:022
302999965,1cyclictest741-21lldpd10:43:232
302999962,3cyclictest244-20systemd-journal07:28:482
302999960,3cyclictest244-20systemd-journal09:50:012
302949966,0cyclictest743-21snmpd10:00:571
302949966,0cyclictest741-21lldpd10:31:401
302949966,0cyclictest1176-21gltestperf10:25:141
302949965,1cyclictest743-21snmpd09:49:081
302949965,1cyclictest522-21avahi-daemon09:28:101
302949965,1cyclictest244-20systemd-journal08:37:151
302949965,1cyclictest11117-21gltestperf10:45:131
302949964,2cyclictest743-21snmpd12:00:291
302949964,2cyclictest743-21snmpd08:42:451
302949964,2cyclictest11179-21cat12:05:141
302949962,4cyclictest557-21NetworkManager10:51:031
302949961,5cyclictest557-21NetworkManager11:28:151
302869966,0cyclictest741-21lldpd09:15:430
302869965,1cyclictest741-21lldpd08:49:040
302869965,1cyclictest65850irq/126-lan08:10:230
302869965,1cyclictest522-21avahi-daemon09:36:170
303039955,0cyclictest741-21lldpd07:28:493
303039955,0cyclictest0-21swapper/310:10:123
303039955,0cyclictest0-21swapper/307:15:083
303039954,1cyclictest964-21df10:25:113
303039954,1cyclictest741-21lldpd10:37:373
303039953,2cyclictest743-21snmpd08:43:513
303039952,2cyclictest575-21rs:main3
303039952,2cyclictest3944-21unixbench_singl11:45:213
303039952,2cyclictest28741-21sed11:30:003
303039952,2cyclictest23920-21sed12:35:163
303039952,2cyclictest22884-21cat11:15:133
302999955,0cyclictest741-21lldpd12:02:262
302999955,0cyclictest741-21lldpd11:05:102
302999955,0cyclictest741-21lldpd08:01:512
302999955,0cyclictest522-21avahi-daemon11:20:462
302999954,1cyclictest743-21snmpd11:54:122
302999954,1cyclictest743-21snmpd07:32:122
302999954,1cyclictest741-21lldpd12:05:132
302999954,1cyclictest421ktimers/211:45:132
302999954,1cyclictest17050irq/129-nvme0q308:54:592
302999953,2cyclictest743-21snmpd12:34:452
302999953,2cyclictest743-21snmpd08:58:302
302999952,3cyclictest0-21swapper/208:33:002
302999952,2cyclictest244-20systemd-journal10:15:372
302999952,2cyclictest244-20systemd-journal07:39:592
302999952,2cyclictest244-20systemd-journal07:39:582
302999951,3cyclictest6837-21sed08:20:012
302999951,3cyclictest15805-21cat09:25:002
302949955,0cyclictest741-21lldpd07:49:401
302949954,1cyclictest741-21lldpd12:17:481
302949954,1cyclictest18912-21cpuspeed_turbos12:25:121
302949953,2cyclictest743-21snmpd10:06:371
302949953,2cyclictest743-21snmpd08:33:161
302949953,2cyclictest743-21snmpd07:35:431
302949953,2cyclictest743-21snmpd07:35:421
302949953,2cyclictest743-21snmpd07:28:541
302949953,2cyclictest17282-21cat11:00:131
302949952,3cyclictest312-21seq10:23:171
302949952,2cyclictest7283-21cron08:25:011
302949952,2cyclictest6907-21fschecks_time11:55:121
302949952,2cyclictest30990-21wc07:15:001
302949952,2cyclictest29663-21wc10:15:151
302949950,5cyclictest24658-21awk11:19:591
302869955,0cyclictest522-21avahi-daemon09:06:550
302869954,1cyclictest65850irq/126-lan09:00:570
303039942,2cyclictest743-21snmpd08:31:333
303039941,2cyclictest21582-21ldconfig11:10:163
303039940,3cyclictest30281-21cyclictest07:52:483
302999943,1cyclictest743-21snmpd07:22:312
302999942,2cyclictest743-21snmpd09:12:432
302999942,2cyclictest743-21snmpd08:07:532
302999942,2cyclictest743-21snmpd07:55:222
302999942,2cyclictest27697-21sed10:10:142
302999941,2cyclictest13595-21seq09:07:552
302999941,2cyclictest1296-21latency10:25:142
302999940,3cyclictest27105-21diskstats11:25:142
302999940,3cyclictest17151-21fw_forwarded_lo11:00:122
302999940,3cyclictest15972-21seq09:26:082
302999940,3cyclictest14991-21diskstats10:55:132
302949942,2cyclictest743-21snmpd12:39:021
302949941,3cyclictest557-21NetworkManager07:21:031
302949941,2cyclictest575-21rs:main1
303039932,1cyclictest511ktimers/307:11:363
303039931,2cyclictest557-21NetworkManager09:16:133
302999930,3cyclictest7686-21gpg-connect-age08:25:002
302949930,3cyclictest17528-21sh09:40:001
302949930,3cyclictest12389-21chrt08:58:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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