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2026-04-29 - 09:36

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 highest latencies:
System rack8slot6s.osadl.org (updated Wed Apr 29, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23493994545,0cyclictest30468-21fwupd00:39:293
23485991918,1cyclictest65850irq/126-lan20:05:111
23485991818,0cyclictest743-21snmpd21:29:521
23485991818,0cyclictest65850irq/126-lan22:10:181
23485991818,0cyclictest65850irq/126-lan21:45:201
23485991818,0cyclictest21330-21cat20:20:151
23485991817,1cyclictest65850irq/126-lan21:30:181
23485991817,1cyclictest65850irq/126-lan19:45:141
23485991717,0cyclictest65850irq/126-lan23:42:531
23485991717,0cyclictest65850irq/126-lan23:15:191
23485991717,0cyclictest65850irq/126-lan23:05:131
23485991717,0cyclictest65850irq/126-lan22:53:381
23485991717,0cyclictest65850irq/126-lan21:55:161
23485991717,0cyclictest65850irq/126-lan21:50:201
23485991717,0cyclictest65850irq/126-lan21:05:221
23485991717,0cyclictest65850irq/126-lan20:35:131
23485991717,0cyclictest65850irq/126-lan19:50:141
23485991717,0cyclictest65850irq/126-lan00:01:401
23485991716,1cyclictest65850irq/126-lan23:50:131
23485991716,1cyclictest65850irq/126-lan22:35:201
23485991716,1cyclictest65850irq/126-lan20:50:131
23485991716,1cyclictest65850irq/126-lan19:55:131
23485991716,1cyclictest65850irq/126-lan19:40:211
23485991716,1cyclictest65850irq/126-lan00:30:181
23485991616,0cyclictest65850irq/126-lan22:40:471
23485991616,0cyclictest65850irq/126-lan22:30:201
23485991616,0cyclictest65850irq/126-lan21:20:191
23485991616,0cyclictest65850irq/126-lan20:45:131
23485991616,0cyclictest65850irq/126-lan20:30:181
23485991616,0cyclictest65850irq/126-lan19:15:111
23485991616,0cyclictest65850irq/126-lan19:13:221
23485991616,0cyclictest65850irq/126-lan00:29:531
23485991615,1cyclictest65850irq/126-lan22:55:111
23485991615,1cyclictest65850irq/126-lan21:18:501
23485991515,0cyclictest65850irq/126-lan23:20:181
23485991515,0cyclictest65850irq/126-lan23:10:221
23485991515,0cyclictest65850irq/126-lan20:15:171
23485991515,0cyclictest65850irq/126-lan19:30:201
23485991515,0cyclictest65850irq/126-lan00:20:171
23485991515,0cyclictest65850irq/126-lan00:05:191
23485991514,1cyclictest65850irq/126-lan23:25:151
23485991414,0cyclictest65850irq/126-lan23:59:251
23485991414,0cyclictest65850irq/126-lan23:45:161
23485991414,0cyclictest65850irq/126-lan23:35:201
23485991414,0cyclictest65850irq/126-lan22:30:011
23485991414,0cyclictest65850irq/126-lan21:10:231
23485991414,0cyclictest65850irq/126-lan20:26:311
23485991414,0cyclictest65850irq/126-lan00:35:131
23485991413,1cyclictest65850irq/126-lan00:15:151
23485991313,0cyclictest65850irq/126-lan23:00:171
23485991313,0cyclictest65850irq/126-lan22:00:201
23485991313,0cyclictest65850irq/126-lan21:40:421
23485991313,0cyclictest65850irq/126-lan20:55:191
23485991313,0cyclictest65850irq/126-lan20:10:201
23485991313,0cyclictest65850irq/126-lan19:35:221
23485991313,0cyclictest65850irq/126-lan19:20:151
23485991312,1cyclictest65850irq/126-lan22:15:141
23485991212,0cyclictest65850irq/126-lan23:32:541
23485991212,0cyclictest65850irq/126-lan22:45:111
23485991212,0cyclictest65850irq/126-lan20:00:141
23485991212,0cyclictest65850irq/126-lan19:25:201
23485991211,1cyclictest65850irq/126-lan00:10:121
23485991111,0cyclictest65850irq/126-lan22:05:161
23485991111,0cyclictest65850irq/126-lan20:40:211
234939998,1cyclictest743-21snmpd20:58:363
234899998,1cyclictest743-21snmpd23:27:232
234899998,1cyclictest743-21snmpd23:04:112
234899998,1cyclictest743-21snmpd22:57:042
234899998,1cyclictest743-21snmpd21:21:132
234859999,0cyclictest65850irq/126-lan21:35:171
234859999,0cyclictest65850irq/126-lan21:35:171
234809998,1cyclictest743-21snmpd23:53:510
234809998,1cyclictest743-21snmpd23:04:330
234939988,0cyclictest743-21snmpd23:37:573
234939988,0cyclictest743-21snmpd23:15:323
234939988,0cyclictest743-21snmpd20:20:083
234939988,0cyclictest743-21snmpd20:01:373
234939988,0cyclictest743-21snmpd00:17:203
234939988,0cyclictest741-21lldpd23:50:233
234939988,0cyclictest741-21lldpd21:42:413
234939988,0cyclictest741-21lldpd21:20:233
234939988,0cyclictest741-21lldpd20:40:183
234939988,0cyclictest741-21lldpd19:20:483
234939987,1cyclictest743-21snmpd22:36:433
234939987,1cyclictest14671-21ntp_kernel_pll_22:40:193
234939986,2cyclictest743-21snmpd19:35:303
234939986,2cyclictest1345-21cat22:10:143
234899988,0cyclictest743-21snmpd19:46:282
234899988,0cyclictest743-21snmpd19:32:002
234899988,0cyclictest741-21lldpd20:01:302
234899987,1cyclictest522-21avahi-daemon20:44:232
234899986,2cyclictest743-21snmpd00:15:532
234859988,0cyclictest65850irq/126-lan22:20:131
234809988,0cyclictest743-21snmpd23:55:510
234809988,0cyclictest743-21snmpd22:26:390
234809988,0cyclictest743-21snmpd22:08:120
234809988,0cyclictest743-21snmpd21:17:430
234809988,0cyclictest743-21snmpd00:28:170
234809988,0cyclictest741-21lldpd23:23:320
234809988,0cyclictest741-21lldpd20:35:440
234809988,0cyclictest741-21lldpd20:30:360
234809987,1cyclictest743-21snmpd00:10:250
234809987,1cyclictest741-21lldpd22:03:390
234809987,1cyclictest741-21lldpd00:21:100
234809986,2cyclictest743-21snmpd23:14:380
234809986,2cyclictest743-21snmpd20:46:240
234809986,2cyclictest743-21snmpd19:17:450
234809986,2cyclictest743-21snmpd00:18:310
234939977,0cyclictest743-21snmpd20:28:083
234939977,0cyclictest743-21snmpd20:15:523
234939977,0cyclictest743-21snmpd00:01:083
234939977,0cyclictest741-21lldpd22:46:503
234939977,0cyclictest741-21lldpd22:17:363
234939977,0cyclictest741-21lldpd21:25:503
234939976,1cyclictest743-21snmpd23:11:333
234939976,1cyclictest743-21snmpd22:08:153
234939976,1cyclictest743-21snmpd20:36:413
234939976,1cyclictest573-21in:imuxsock20:30:133
234939975,2cyclictest743-21snmpd20:12:073
234939975,2cyclictest743-21snmpd19:19:483
234939975,2cyclictest743-21snmpd00:22:373
234939975,2cyclictest19183-21cat21:35:133
234939975,2cyclictest19183-21cat21:35:133
234939974,3cyclictest26927-21diskstats00:30:153
234899977,0cyclictest743-21snmpd22:24:032
234899977,0cyclictest743-21snmpd21:44:562
234899977,0cyclictest743-21snmpd19:52:042
234899977,0cyclictest741-21lldpd23:22:102
234899977,0cyclictest741-21lldpd22:26:012
234899977,0cyclictest741-21lldpd20:30:102
234899977,0cyclictest741-21lldpd20:19:122
234899977,0cyclictest741-21lldpd19:11:012
234899977,0cyclictest741-21lldpd00:14:552
234899976,1cyclictest743-21snmpd00:29:172
234899976,1cyclictest741-21lldpd22:01:272
234899976,1cyclictest23323-21cat20:25:162
234899976,1cyclictest16207-21head22:45:132
234899975,2cyclictest743-21snmpd23:10:112
234899975,2cyclictest743-21snmpd22:13:092
234899975,2cyclictest13047-21cat23:55:142
234859976,1cyclictest22996-21kworker/1:2+events21:00:171
234809977,0cyclictest743-21snmpd22:11:540
234809977,0cyclictest743-21snmpd21:05:210
234809977,0cyclictest743-21snmpd20:21:080
234809977,0cyclictest741-21lldpd22:34:460
234809977,0cyclictest741-21lldpd21:23:190
234809977,0cyclictest741-21lldpd19:59:440
234809977,0cyclictest522-21avahi-daemon21:49:400
234809976,1cyclictest743-21snmpd21:00:390
234809976,1cyclictest741-21lldpd20:58:290
234809976,1cyclictest506-21systemd-resolve19:38:520
234809975,2cyclictest743-21snmpd23:35:450
234809975,2cyclictest743-21snmpd22:23:450
234809975,2cyclictest743-21snmpd21:43:030
234809975,2cyclictest743-21snmpd20:29:320
234809975,2cyclictest743-21snmpd20:11:460
234809972,4cyclictest14274-21cat20:05:000
234939966,0cyclictest741-21lldpd00:25:553
234939966,0cyclictest522-21avahi-daemon22:51:433
234939965,1cyclictest743-21snmpd20:08:463
234939965,1cyclictest741-21lldpd19:40:193
234939965,1cyclictest522-21avahi-daemon23:28:183
234939963,3cyclictest29030-21diskstats22:00:123
234939963,2cyclictest9026-21ntp_kernel_err19:50:173
234899966,0cyclictest743-21snmpd19:44:522
234899966,0cyclictest743-21snmpd00:24:312
234899966,0cyclictest741-21lldpd22:30:202
234899966,0cyclictest741-21lldpd21:51:372
234899965,1cyclictest743-21snmpd23:54:362
234899965,1cyclictest741-21lldpd20:45:502
234899965,1cyclictest741-21lldpd20:13:562
234899965,1cyclictest29436-21grep00:35:152
234899965,1cyclictest23097-21gltestperf21:45:122
234899965,1cyclictest18937-21fschecks_count21:35:122
234899965,1cyclictest18937-21fschecks_count21:35:122
234899964,2cyclictest743-21snmpd22:41:472
234899964,2cyclictest743-21snmpd22:18:002
234899964,2cyclictest2537-21cat23:30:152
234899963,2cyclictest244-20systemd-journal20:08:132
234899962,4cyclictest557-21NetworkManager22:51:192
234899962,3cyclictest30439-21ntp_192.168.11419:25:172
234809966,0cyclictest741-21lldpd23:28:490
234809966,0cyclictest741-21lldpd22:45:000
234809966,0cyclictest741-21lldpd19:46:140
234809966,0cyclictest522-21avahi-daemon23:15:500
234809966,0cyclictest522-21avahi-daemon20:18:410
234809965,1cyclictest931-21gltestperf20:50:130
234809965,1cyclictest743-21snmpd23:41:300
234809965,1cyclictest743-21snmpd21:11:000
234809965,1cyclictest743-21snmpd20:09:370
234809965,1cyclictest506-21systemd-resolve21:25:580
234809964,2cyclictest743-21snmpd19:21:360
234809962,2cyclictest15846-21cat22:44:590
234809960,3cyclictest206651ntpq22:55:160
234939955,0cyclictest743-21snmpd23:33:063
234939955,0cyclictest741-21lldpd21:11:203
234939955,0cyclictest522-21avahi-daemon23:04:473
234939955,0cyclictest522-21avahi-daemon19:25:523
234939954,1cyclictest743-21snmpd23:40:513
234939954,1cyclictest741-21lldpd19:13:133
234939954,1cyclictest591-21ntpq19:30:173
234939954,1cyclictest32712-21cron20:50:003
234939954,1cyclictest12674-21cpuspeed_turbos23:55:123
234939954,1cyclictest10977-21fw_conntrack21:15:153
234939953,2cyclictest743-21snmpd19:45:043
234939953,2cyclictest557-21NetworkManager22:59:403
234939953,2cyclictest18680-21apt-get00:10:123
234939951,3cyclictest6951-21fw_packets21:05:143
234939950,3cyclictest32343-21cat23:24:593
234899955,0cyclictest741-21lldpd23:41:352
234899954,1cyclictest26833-21cpuspeed_turbos00:30:142
234899953,2cyclictest743-21snmpd20:50:332
234899953,2cyclictest743-21snmpd00:04:442
234899953,2cyclictest557-21NetworkManager22:37:392
234899953,2cyclictest557-21NetworkManager20:35:172
234899952,2cyclictest9846-21seq23:49:282
234899952,2cyclictest28343-21cat19:20:152
234899952,2cyclictest16819-21ls21:30:132
234899951,3cyclictest11841-21sed21:15:222
234899950,4cyclictest28737-21cat22:00:002
234809955,0cyclictest743-21snmpd00:33:110
234809955,0cyclictest522-21avahi-daemon23:32:230
234809955,0cyclictest506-21systemd-resolve20:43:250
234809954,1cyclictest743-21snmpd21:55:450
234809954,1cyclictest743-21snmpd00:03:250
234809953,2cyclictest743-21snmpd23:05:200
234809953,2cyclictest743-21snmpd19:26:270
234809952,3cyclictest743-21snmpd00:39:570
234809952,2cyclictest19357-21cat21:35:140
234809952,2cyclictest19357-21cat21:35:140
234809952,2cyclictest17255-21sed21:30:160
234809951,4cyclictest557-21NetworkManager19:30:440
234809950,4cyclictest3687-21ntpq22:15:180
234939944,0cyclictest506-21systemd-resolve23:06:053
234939944,0cyclictest0-21swapper/322:30:013
234939942,2cyclictest5477-21ntpq21:00:173
234939942,2cyclictest27276-21cat21:55:153
234939941,3cyclictest557-21NetworkManager23:45:093
234939941,3cyclictest24596-21cat21:50:003
234939941,2cyclictest5376-21basename22:20:113
234939941,2cyclictest1139-21sed20:50:143
234939940,3cyclictest7706-21fw_packets22:25:143
234939940,3cyclictest25610-21ntpq21:50:183
234939940,3cyclictest16706-21taskset21:30:013
234939940,2cyclictest17046-21tail00:05:143
234899942,2cyclictest743-21snmpd23:15:112
234899942,2cyclictest7045-21smartctl21:05:142
234899942,2cyclictest5481-21ld21:00:172
234899942,2cyclictest21889-21find20:20:192
234899941,3cyclictest24135-21df_inode23:05:122
234899941,3cyclictest15347-21sed21:25:162
234899941,2cyclictest9215-21cat21:10:162
234899941,2cyclictest4387-21fschecks_time23:35:132
234899941,2cyclictest31181-21dpkg22:05:012
234899941,2cyclictest25691-21grep19:15:112
234899941,2cyclictest16630-21seq00:05:012
234899940,4cyclictest10293-21/usr/sbin/munin19:55:142
234899940,3cyclictest3225-21needreboot20:55:182
234809943,1cyclictest743-21snmpd22:50:100
234809942,2cyclictest24821-21apt-get21:50:130
234809942,2cyclictest12704-21ntpq22:35:170
234809941,2cyclictest3997-21entropy19:40:130
234809940,3cyclictest9139-21ntp_states19:50:180
234809940,3cyclictest8708-21memory23:45:150
234809940,3cyclictest23847-21diskstats19:10:140
234809940,3cyclictest16963-21fw_forwarded_lo00:05:140
234899930,2cyclictest746-21munin-node19:35:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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