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2025-12-07 - 16:30

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 all highest latencies:
System rack8slot6s.osadl.org (updated Sun Dec 07, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31594991918,1cyclictest66850irq/125-lan09:50:151
31594991918,1cyclictest66850irq/125-lan09:44:151
31594991918,1cyclictest66850irq/125-lan09:20:201
31594991818,0cyclictest66850irq/125-lan11:55:141
31594991818,0cyclictest66850irq/125-lan11:49:511
31594991818,0cyclictest66850irq/125-lan11:23:581
31594991818,0cyclictest66850irq/125-lan11:06:551
31594991818,0cyclictest66850irq/125-lan10:30:081
31594991818,0cyclictest66850irq/125-lan10:26:081
31594991818,0cyclictest66850irq/125-lan09:45:011
31594991818,0cyclictest66850irq/125-lan09:16:391
31594991818,0cyclictest66850irq/125-lan08:35:001
31594991817,1cyclictest66850irq/125-lan12:35:001
31594991817,1cyclictest66850irq/125-lan12:30:251
31594991817,1cyclictest66850irq/125-lan12:27:111
31594991817,1cyclictest66850irq/125-lan12:10:291
31594991817,1cyclictest66850irq/125-lan12:05:191
31594991817,1cyclictest66850irq/125-lan12:00:231
31594991817,1cyclictest66850irq/125-lan11:18:171
31594991817,1cyclictest66850irq/125-lan11:10:151
31594991817,1cyclictest66850irq/125-lan09:35:051
31594991717,0cyclictest66850irq/125-lan12:17:391
31594991717,0cyclictest66850irq/125-lan11:02:131
31594991717,0cyclictest66850irq/125-lan10:00:171
31594991717,0cyclictest66850irq/125-lan09:58:131
31594991717,0cyclictest66850irq/125-lan07:56:291
31594991716,1cyclictest66850irq/125-lan12:21:501
31594991716,1cyclictest66850irq/125-lan11:52:381
31594991716,1cyclictest66850irq/125-lan11:36:371
31594991716,1cyclictest66850irq/125-lan11:32:461
31594991716,1cyclictest66850irq/125-lan10:50:191
31594991716,1cyclictest66850irq/125-lan10:45:531
31594991716,1cyclictest66850irq/125-lan10:36:401
31594991716,1cyclictest66850irq/125-lan10:22:101
31594991716,1cyclictest66850irq/125-lan10:15:131
31594991716,1cyclictest66850irq/125-lan10:06:471
31594991616,0cyclictest66850irq/125-lan11:41:091
31594991616,0cyclictest66850irq/125-lan10:44:041
31594991616,0cyclictest66850irq/125-lan10:10:271
31594991616,0cyclictest66850irq/125-lan09:30:151
31594991616,0cyclictest66850irq/125-lan09:25:201
31594991616,0cyclictest66850irq/125-lan07:45:211
31594991615,1cyclictest66850irq/125-lan11:27:551
31594991615,1cyclictest66850irq/125-lan10:55:001
31594991615,1cyclictest66850irq/125-lan09:10:171
31594991615,1cyclictest66850irq/125-lan08:40:191
31594991615,1cyclictest66850irq/125-lan08:05:221
31594991615,1cyclictest66850irq/125-lan07:40:121
31594991615,1cyclictest66850irq/125-lan07:35:131
31594991515,0cyclictest66850irq/125-lan07:50:061
31594991514,1cyclictest66850irq/125-lan08:45:181
31594991514,1cyclictest66850irq/125-lan08:25:171
31594991514,1cyclictest66850irq/125-lan08:10:171
31594991514,1cyclictest66850irq/125-lan07:15:131
31594991414,0cyclictest66850irq/125-lan08:50:181
31594991414,0cyclictest66850irq/125-lan08:20:251
31594991414,0cyclictest66850irq/125-lan08:15:161
31594991414,0cyclictest66850irq/125-lan07:22:141
31594991413,1cyclictest66850irq/125-lan09:00:211
31594991313,0cyclictest66850irq/125-lan09:05:331
31594991313,0cyclictest66850irq/125-lan08:00:171
31594991211,1cyclictest66850irq/125-lan07:30:121
31594991111,0cyclictest66850irq/125-lan07:10:161
31594991010,0cyclictest66850irq/125-lan08:55:151
316039998,1cyclictest771-21snmpd10:44:083
316039998,1cyclictest524-21avahi-daemon09:15:563
315989998,1cyclictest771-21snmpd08:48:132
315989998,1cyclictest771-21snmpd07:27:492
315989996,3cyclictest771-21snmpd12:11:042
315949999,0cyclictest66850irq/125-lan08:36:131
315949998,1cyclictest66850irq/125-lan07:25:141
315899998,1cyclictest771-21snmpd11:42:480
315899998,1cyclictest771-21snmpd08:44:510
315899998,1cyclictest771-21snmpd07:31:160
315899998,1cyclictest769-21lldpd07:47:530
315899998,1cyclictest255-20systemd-journal11:14:370
315899996,3cyclictest771-21snmpd08:19:150
316039988,0cyclictest771-21snmpd09:57:063
316039988,0cyclictest771-21snmpd09:25:233
316039988,0cyclictest771-21snmpd07:12:403
316039988,0cyclictest769-21lldpd12:39:543
316039988,0cyclictest769-21lldpd12:11:563
316039988,0cyclictest769-21lldpd08:05:003
316039988,0cyclictest517-21systemd-resolve11:35:193
316039987,1cyclictest524-21avahi-daemon10:24:063
316039986,2cyclictest771-21snmpd12:22:343
316039986,2cyclictest771-21snmpd09:36:173
315989988,0cyclictest771-21snmpd12:37:102
315989988,0cyclictest771-21snmpd10:44:382
315989988,0cyclictest771-21snmpd10:37:272
315989988,0cyclictest771-21snmpd10:22:152
315989988,0cyclictest771-21snmpd09:00:472
315989988,0cyclictest771-21snmpd08:53:342
315989988,0cyclictest771-21snmpd08:17:422
315989988,0cyclictest769-21lldpd11:56:152
315989988,0cyclictest769-21lldpd10:01:002
315989988,0cyclictest769-21lldpd07:54:222
315989987,1cyclictest771-21snmpd10:16:582
315989987,1cyclictest771-21snmpd08:20:192
315989987,1cyclictest6286-21gltestperf12:25:142
315989987,1cyclictest255-20systemd-journal10:08:402
315989986,2cyclictest771-21snmpd11:42:332
315989986,2cyclictest771-21snmpd08:55:282
315989986,2cyclictest771-21snmpd07:14:072
315989986,2cyclictest16506-21cat09:45:172
315899988,0cyclictest771-21snmpd12:18:100
315899988,0cyclictest771-21snmpd11:58:070
315899988,0cyclictest771-21snmpd10:15:100
315899988,0cyclictest771-21snmpd09:11:220
315899988,0cyclictest771-21snmpd08:31:550
315899988,0cyclictest769-21lldpd07:37:200
315899987,1cyclictest771-21snmpd09:34:570
315899987,1cyclictest769-21lldpd12:20:270
315899987,1cyclictest769-21lldpd08:39:520
315899987,1cyclictest769-21lldpd08:26:190
315899987,1cyclictest524-21avahi-daemon09:51:550
315899987,1cyclictest524-21avahi-daemon09:37:580
315899987,1cyclictest517-21systemd-resolve10:39:290
315899987,1cyclictest517-21systemd-resolve09:40:530
315899986,2cyclictest771-21snmpd09:09:230
315899986,2cyclictest771-21snmpd08:51:310
315899986,2cyclictest771-21snmpd08:05:570
315899986,2cyclictest771-21snmpd07:16:550
316039977,0cyclictest771-21snmpd12:03:523
316039977,0cyclictest771-21snmpd10:55:053
316039977,0cyclictest769-21lldpd11:15:433
316039977,0cyclictest769-21lldpd11:14:273
316039977,0cyclictest769-21lldpd11:03:153
316039977,0cyclictest769-21lldpd09:23:343
316039977,0cyclictest769-21lldpd07:20:023
316039977,0cyclictest769-21lldpd07:15:353
316039976,1cyclictest769-21lldpd08:50:403
316039976,1cyclictest524-21avahi-daemon10:51:103
316039976,1cyclictest524-21avahi-daemon10:13:033
316039976,1cyclictest524-21avahi-daemon08:41:003
316039976,1cyclictest3095-21gltestperf11:50:153
316039975,2cyclictest771-21snmpd11:48:183
316039975,2cyclictest771-21snmpd07:46:453
316039975,2cyclictest771-21snmpd07:38:463
316039973,3cyclictest29579-21ssh12:15:533
316039973,3cyclictest255-20systemd-journal10:03:173
316039973,3cyclictest18742-21ssh11:32:493
315989977,0cyclictest771-21snmpd09:55:362
315989977,0cyclictest771-21snmpd09:51:172
315989977,0cyclictest771-21snmpd09:25:382
315989977,0cyclictest771-21snmpd09:17:352
315989977,0cyclictest771-21snmpd07:45:542
315989977,0cyclictest771-21snmpd07:34:142
315989976,1cyclictest771-21snmpd10:14:072
315989976,1cyclictest524-21avahi-daemon08:03:152
315989976,1cyclictest517-21systemd-resolve11:15:322
315989976,1cyclictest255-20systemd-journal11:31:542
315989975,2cyclictest771-21snmpd10:33:282
315989975,2cyclictest771-21snmpd08:11:202
315989974,2cyclictest255-20systemd-journal11:00:332
315989974,2cyclictest255-20systemd-journal10:46:472
315989973,3cyclictest10102-21ssh09:38:242
315899977,0cyclictest771-21snmpd09:24:350
315899977,0cyclictest769-21lldpd12:09:440
315899976,1cyclictest771-21snmpd12:27:290
315899976,1cyclictest771-21snmpd10:46:050
315899976,1cyclictest771-21snmpd09:15:530
315899976,1cyclictest771-21snmpd07:14:460
315899976,1cyclictest769-21lldpd08:21:360
315899976,1cyclictest524-21avahi-daemon11:00:300
315899976,1cyclictest524-21avahi-daemon10:20:470
315899974,3cyclictest550-21NetworkManager11:24:560
315899974,2cyclictest255-20systemd-journal11:08:340
315899973,3cyclictest17676-21ssh11:31:030
316039966,0cyclictest771-21snmpd09:03:053
316039966,0cyclictest769-21lldpd09:45:093
316039966,0cyclictest769-21lldpd08:26:393
316039966,0cyclictest769-21lldpd07:29:103
316039966,0cyclictest524-21avahi-daemon08:57:303
316039965,1cyclictest771-21snmpd12:06:403
316039965,1cyclictest524-21avahi-daemon11:21:373
316039965,1cyclictest524-21avahi-daemon10:37:223
316039964,2cyclictest771-21snmpd10:47:533
316039963,2cyclictest26775-21ssh10:30:183
316039963,2cyclictest2444-21ssh10:05:103
316039962,3cyclictest8165-21fw_forwarded_lo11:55:133
316039962,3cyclictest22761-21ssh10:25:253
316039960,5cyclictest13874-21ssh12:31:283
315989966,0cyclictest771-21snmpd11:09:522
315989966,0cyclictest769-21lldpd09:10:012
315989966,0cyclictest769-21lldpd07:55:552
315989964,2cyclictest771-21snmpd12:15:582
315989964,2cyclictest771-21snmpd08:27:062
315989964,2cyclictest771-21snmpd07:18:142
315989963,3cyclictest771-21snmpd07:35:232
315989963,3cyclictest550-21NetworkManager09:44:462
315989963,3cyclictest550-21NetworkManager08:30:172
315989963,3cyclictest255-20systemd-journal12:34:592
315989963,3cyclictest12359-21memory10:50:162
315989963,2cyclictest255-20systemd-journal12:00:082
315989963,2cyclictest255-20systemd-journal11:35:192
315989963,2cyclictest255-20systemd-journal09:09:532
315989962,3cyclictest5354-21dpkg07:24:592
315989962,3cyclictest21748-21ssh12:08:592
315989962,2cyclictest3174-21grep09:30:192
315899966,0cyclictest771-21snmpd10:27:030
315899966,0cyclictest771-21snmpd10:05:330
315899966,0cyclictest769-21lldpd09:04:130
315899966,0cyclictest0-21swapper/010:35:000
315899965,1cyclictest517-21systemd-resolve11:16:140
315899963,3cyclictest550-21NetworkManager12:12:370
315899963,2cyclictest9536-21ssh10:11:480
315899963,2cyclictest31724-21kworker/u16:2+nfsiod09:57:200
315899963,2cyclictest30982-21ntpq11:45:170
315899963,2cyclictest255-20systemd-journal12:35:380
315899963,2cyclictest22287-21ssh11:36:020
315899963,2cyclictest17349-21ssh12:04:570
315899962,3cyclictest4562-21ssh11:50:520
315899962,3cyclictest19271-21ssh09:48:220
315899962,3cyclictest13842-21ssh10:51:210
316039955,0cyclictest771-21snmpd07:50:263
316039955,0cyclictest769-21lldpd09:41:593
316039953,2cyclictest771-21snmpd08:32:043
316039953,2cyclictest255-20systemd-journal08:10:503
316039952,3cyclictest26675-21diskstats08:15:143
316039952,2cyclictest9375-21seq07:31:593
316039952,2cyclictest586-21rs:main3
316039952,2cyclictest29330-21ntpq08:20:203
316039952,2cyclictest2898-21wc09:30:183
316039952,2cyclictest27020-21ssh11:41:043
316039952,2cyclictest255-20systemd-journal11:05:073
316039952,2cyclictest15542-21ld09:05:163
316039952,2cyclictest12906-21ssh11:25:283
316039951,4cyclictest550-21NetworkManager07:41:183
316039951,3cyclictest6214-21systemd-tmpfile08:45:063
316039951,3cyclictest15222-21ssh10:18:233
315989954,1cyclictest771-21snmpd08:39:162
315989953,2cyclictest771-21snmpd12:21:122
315989953,2cyclictest771-21snmpd10:25:102
315989953,2cyclictest550-21NetworkManager11:50:432
315989953,2cyclictest550-21NetworkManager09:20:112
315989953,2cyclictest30358-21cat11:10:162
315989952,2cyclictest586-21rs:main2
315989952,2cyclictest18409-21ssh10:56:332
315989952,2cyclictest12294-21ntpq11:25:192
315989951,4cyclictest550-21NetworkManager08:09:032
315989950,5cyclictest255-20systemd-journal11:21:012
315899955,0cyclictest524-21avahi-daemon08:46:140
315899954,1cyclictest771-21snmpd08:10:380
315899954,1cyclictest771-21snmpd07:22:500
315899953,2cyclictest771-21snmpd10:01:300
315899953,2cyclictest771-21snmpd07:41:160
315899952,2cyclictest13197-21ssh12:30:380
315899951,4cyclictest550-21NetworkManager07:28:050
315899951,4cyclictest517-21systemd-resolve10:55:580
315899951,3cyclictest3931-21ssh10:40:230
315899950,5cyclictest12193-21ntpq11:25:170
315899950,5cyclictest0-21swapper/009:25:230
316039942,2cyclictest21188-21cat09:50:143
316039941,2cyclictest64-21kcompactd008:35:173
316039941,2cyclictest22264-21tune2fs08:05:133
316039941,2cyclictest17066-21fschecks_count09:10:143
316039940,3cyclictest18177-21/usr/sbin/munin07:55:123
315989941,3cyclictest550-21NetworkManager07:40:062
315989940,4cyclictest5051-21ntpq08:40:182
315899940,4cyclictest20778-21ntpq08:00:160
315899940,4cyclictest11083-21ntpq08:55:160
315899940,3cyclictest18312-21fw_forwarded_lo07:55:140
315899940,3cyclictest16171-21diskstats07:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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