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2026-07-04 - 14:30

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 the highest latencies:
System rack8slot6s.osadl.org (updated Sat Jul 04, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19660993838,0cyclictest18602-21fwupd00:20:371
19656991918,1cyclictest65850irq/126-lan21:55:160
19669991818,0cyclictest743-21snmpd23:58:272
19669991818,0cyclictest743-21snmpd22:41:532
19669991818,0cyclictest743-21snmpd21:53:542
19669991818,0cyclictest743-21snmpd20:48:592
19669991818,0cyclictest743-21snmpd00:39:252
19656991818,0cyclictest65850irq/126-lan00:31:550
19656991817,1cyclictest65850irq/126-lan23:35:110
19656991817,1cyclictest65850irq/126-lan22:28:300
19656991817,1cyclictest65850irq/126-lan00:25:190
19656991817,1cyclictest65850irq/126-lan00:25:000
19669991717,0cyclictest743-21snmpd23:47:562
19669991717,0cyclictest743-21snmpd23:42:532
19669991717,0cyclictest743-21snmpd22:18:112
19669991717,0cyclictest743-21snmpd22:10:382
19669991717,0cyclictest743-21snmpd20:55:192
19669991717,0cyclictest743-21snmpd00:26:252
19669991717,0cyclictest743-21snmpd00:17:232
19669991716,1cyclictest743-21snmpd22:04:052
19656991717,0cyclictest65850irq/126-lan21:46:210
19656991717,0cyclictest65850irq/126-lan21:33:590
19656991716,1cyclictest65850irq/126-lan20:44:340
19656991716,1cyclictest65850irq/126-lan20:35:230
19656991716,1cyclictest65850irq/126-lan20:30:190
19656991716,1cyclictest65850irq/126-lan20:00:110
19656991616,0cyclictest65850irq/126-lan19:16:210
19656991616,0cyclictest65850irq/126-lan00:10:150
19656991615,1cyclictest65850irq/126-lan23:10:180
19656991615,1cyclictest65850irq/126-lan20:26:200
19656991615,1cyclictest65850irq/126-lan19:25:200
19656991615,1cyclictest65850irq/126-lan00:05:200
19656991515,0cyclictest65850irq/126-lan23:50:180
19656991515,0cyclictest65850irq/126-lan21:20:180
19656991514,1cyclictest65850irq/126-lan23:05:180
19656991514,1cyclictest65850irq/126-lan22:40:170
19656991514,1cyclictest65850irq/126-lan22:20:200
19656991514,1cyclictest65850irq/126-lan22:10:110
19656991514,1cyclictest65850irq/126-lan22:00:130
19656991514,1cyclictest65850irq/126-lan21:25:120
19656991514,1cyclictest65850irq/126-lan20:20:190
19656991514,1cyclictest65850irq/126-lan20:10:200
19669991414,0cyclictest743-21snmpd19:12:262
19656991414,0cyclictest65850irq/126-lan23:45:100
19656991414,0cyclictest65850irq/126-lan23:40:170
19656991414,0cyclictest65850irq/126-lan23:25:110
19656991414,0cyclictest65850irq/126-lan21:15:120
19656991414,0cyclictest65850irq/126-lan19:23:210
19656991414,0cyclictest65850irq/126-lan00:35:140
19656991413,1cyclictest65850irq/126-lan23:30:140
19656991413,1cyclictest65850irq/126-lan22:45:140
19656991413,1cyclictest65850irq/126-lan22:30:180
19656991413,1cyclictest65850irq/126-lan20:55:210
19656991413,1cyclictest65850irq/126-lan19:50:150
19656991313,0cyclictest65850irq/126-lan22:50:110
19656991313,0cyclictest65850irq/126-lan21:09:350
19656991312,1cyclictest65850irq/126-lan23:55:170
19656991312,1cyclictest65850irq/126-lan23:20:150
19656991312,1cyclictest65850irq/126-lan20:50:150
19656991312,1cyclictest65850irq/126-lan20:15:210
19656991312,1cyclictest65850irq/126-lan19:55:160
19656991312,1cyclictest65850irq/126-lan19:35:200
19656991312,1cyclictest65850irq/126-lan19:30:110
19656991211,1cyclictest65850irq/126-lan22:55:180
19656991211,1cyclictest65850irq/126-lan19:10:210
19656991111,0cyclictest65850irq/126-lan00:15:170
19656991110,1cyclictest65850irq/126-lan22:35:180
19656991110,1cyclictest65850irq/126-lan20:05:150
19656991110,1cyclictest65850irq/126-lan19:40:130
19656991110,1cyclictest65850irq/126-lan00:00:160
1965699109,1cyclictest65850irq/126-lan23:00:100
1965699109,1cyclictest65850irq/126-lan20:48:360
1965699109,1cyclictest65850irq/126-lan19:45:120
19656991010,0cyclictest65850irq/126-lan22:15:100
196769998,1cyclictest743-21snmpd21:58:113
196699998,1cyclictest743-21snmpd22:05:112
196699998,1cyclictest743-21snmpd00:23:132
196609998,1cyclictest743-21snmpd20:33:201
196569999,0cyclictest65850irq/126-lan21:36:450
196569999,0cyclictest65850irq/126-lan21:36:450
196569998,1cyclictest65850irq/126-lan23:15:220
196569998,1cyclictest65850irq/126-lan21:00:160
196769988,0cyclictest743-21snmpd22:49:483
196769988,0cyclictest741-21lldpd22:10:323
196769988,0cyclictest741-21lldpd19:37:413
196769987,1cyclictest741-21lldpd19:11:083
196769987,1cyclictest18028-21ntp_kernel_pll_23:00:143
196769986,2cyclictest743-21snmpd21:46:133
196769986,2cyclictest743-21snmpd21:29:353
196699988,0cyclictest741-21lldpd23:39:162
196699987,1cyclictest743-21snmpd23:23:412
196699987,1cyclictest743-21snmpd21:38:042
196699987,1cyclictest743-21snmpd21:38:032
196699987,1cyclictest743-21snmpd21:23:002
196699987,1cyclictest743-21snmpd20:43:222
196699987,1cyclictest22800-21fschecks_count20:35:122
196699986,2cyclictest743-21snmpd20:05:332
196699986,2cyclictest743-21snmpd19:36:232
196699985,3cyclictest717-21ntpd22:25:102
196699984,3cyclictest717-21ntpd22:50:112
196609988,0cyclictest743-21snmpd21:23:361
196609988,0cyclictest743-21snmpd21:19:301
196609988,0cyclictest741-21lldpd23:13:551
196609988,0cyclictest741-21lldpd23:02:411
196609988,0cyclictest741-21lldpd21:31:561
196609987,1cyclictest741-21lldpd22:57:081
196609987,1cyclictest741-21lldpd22:06:061
196609986,2cyclictest743-21snmpd20:27:121
196609986,2cyclictest743-21snmpd19:12:171
196609986,2cyclictest717-21ntpd23:45:111
196609986,2cyclictest717-21ntpd23:35:201
196609986,2cyclictest717-21ntpd22:00:131
196609986,2cyclictest717-21ntpd21:55:151
196609986,2cyclictest717-21ntpd21:45:171
196609986,2cyclictest717-21ntpd19:55:131
196609986,2cyclictest717-21ntpd19:25:141
196609986,2cyclictest22720-21cat19:15:141
196569987,1cyclictest743-21snmpd22:07:590
196569987,1cyclictest65850irq/126-lan21:50:200
196569987,1cyclictest65850irq/126-lan21:10:180
196769977,0cyclictest743-21snmpd23:30:443
196769977,0cyclictest743-21snmpd19:27:503
196769977,0cyclictest741-21lldpd22:18:173
196769977,0cyclictest741-21lldpd21:38:583
196769977,0cyclictest741-21lldpd21:38:573
196769977,0cyclictest741-21lldpd20:16:053
196769977,0cyclictest741-21lldpd19:56:233
196769977,0cyclictest741-21lldpd19:23:443
196769977,0cyclictest741-21lldpd00:12:363
196769976,1cyclictest743-21snmpd21:07:153
196769976,1cyclictest743-21snmpd20:11:493
196769976,1cyclictest7426-21gltestperf22:35:153
196769976,1cyclictest741-21lldpd23:11:303
196769975,2cyclictest743-21snmpd23:16:133
196769975,2cyclictest743-21snmpd00:29:493
196769975,2cyclictest743-21snmpd00:15:183
196769975,2cyclictest6809-21cat21:15:143
196769973,3cyclictest4452-21users22:25:213
196769973,3cyclictest24539-21wc20:40:003
196769972,4cyclictest5010-21memory19:50:133
196699977,0cyclictest743-21snmpd21:05:092
196699977,0cyclictest741-21lldpd21:28:012
196699977,0cyclictest741-21lldpd19:54:302
196699977,0cyclictest522-21avahi-daemon20:27:242
196699976,1cyclictest743-21snmpd22:35:272
196699976,1cyclictest743-21snmpd22:30:212
196699976,1cyclictest743-21snmpd20:20:122
196699976,1cyclictest603-21gmain21:45:112
196699976,1cyclictest522-21avahi-daemon23:27:112
196699976,1cyclictest421ktimers/200:00:052
196699975,2cyclictest743-21snmpd22:48:512
196699975,2cyclictest743-21snmpd21:32:462
196699975,2cyclictest743-21snmpd19:33:512
196699975,2cyclictest743-21snmpd19:22:462
196699975,2cyclictest21053-21cat20:30:132
196699972,5cyclictest557-21NetworkManager00:14:252
196609977,0cyclictest741-21lldpd23:20:511
196609977,0cyclictest741-21lldpd22:36:071
196609977,0cyclictest741-21lldpd00:25:121
196609976,1cyclictest743-21snmpd23:43:501
196609976,1cyclictest743-21snmpd23:05:281
196609976,1cyclictest743-21snmpd20:18:221
196609976,1cyclictest717-21ntpd23:50:141
196609976,1cyclictest717-21ntpd21:50:191
196609976,1cyclictest522-21avahi-daemon00:35:191
196609976,1cyclictest3528-21cat22:25:131
196609975,2cyclictest743-21snmpd19:20:011
196609975,2cyclictest717-21ntpd20:10:191
196609975,2cyclictest17004-21cat20:20:131
196769966,0cyclictest743-21snmpd22:30:573
196769966,0cyclictest743-21snmpd21:03:213
196769966,0cyclictest743-21snmpd20:30:563
196769966,0cyclictest741-21lldpd20:05:523
196769966,0cyclictest741-21lldpd20:01:313
196769966,0cyclictest741-21lldpd19:17:073
196769966,0cyclictest522-21avahi-daemon19:32:283
196769965,1cyclictest743-21snmpd20:22:393
196769965,1cyclictest741-21lldpd20:51:083
196769965,1cyclictest522-21avahi-daemon21:23:513
196769965,1cyclictest25053-21cpuspeed_turbos22:00:113
196769964,2cyclictest743-21snmpd22:08:353
196769964,2cyclictest743-21snmpd21:33:043
196769963,3cyclictest27914-21sed20:45:213
196699966,0cyclictest741-21lldpd23:33:522
196699966,0cyclictest741-21lldpd22:23:432
196699966,0cyclictest741-21lldpd19:18:362
196699965,1cyclictest743-21snmpd19:25:202
196699965,1cyclictest522-21avahi-daemon23:16:482
196699965,1cyclictest0-21swapper/222:00:012
196699964,2cyclictest743-21snmpd20:10:492
196699964,2cyclictest743-21snmpd00:32:332
196699964,2cyclictest15640-21cat22:55:112
196609966,0cyclictest743-21snmpd23:59:451
196609966,0cyclictest743-21snmpd22:45:211
196609966,0cyclictest741-21lldpd22:21:571
196609966,0cyclictest741-21lldpd22:10:531
196609966,0cyclictest741-21lldpd21:41:581
196609966,0cyclictest741-21lldpd20:35:511
196609965,1cyclictest717-21ntpd21:35:141
196609965,1cyclictest717-21ntpd21:35:141
196609965,1cyclictest26738-21cpuspeed_turbos20:45:121
196609965,1cyclictest2519-21cpuspeed_turbos19:45:121
196609964,2cyclictest717-21ntpd23:30:141
196609964,2cyclictest717-21ntpd00:30:191
196609962,3cyclictest5682-21cat19:50:191
196609962,3cyclictest557-21NetworkManager00:15:191
196609962,3cyclictest12130-21seq21:29:461
196769955,0cyclictest743-21snmpd23:40:533
196769955,0cyclictest741-21lldpd23:37:323
196769955,0cyclictest741-21lldpd21:12:393
196769955,0cyclictest522-21avahi-daemon23:48:213
196769955,0cyclictest522-21avahi-daemon00:33:273
196769955,0cyclictest0-21swapper/319:45:123
196769954,1cyclictest7153-21cpuspeed_turbos23:55:113
196769954,1cyclictest522-21avahi-daemon22:58:343
196769954,1cyclictest5140-21cpuspeed_turbos23:50:123
196769954,1cyclictest27447-21cpuspeed_turbos23:25:093
196769954,1cyclictest23962-21fschecks_time00:35:123
196769954,1cyclictest13926-21ntpq22:50:153
196769953,2cyclictest743-21snmpd00:20:403
196769953,2cyclictest727-21grep19:40:143
196769952,2cyclictest25769-21wc20:40:213
196769952,2cyclictest244-20systemd-journal20:27:083
196769952,2cyclictest11044-21cat00:05:003
196769951,3cyclictest11111-21sed22:45:003
196769950,4cyclictest21649-21ntpq21:50:143
196699955,0cyclictest522-21avahi-daemon19:48:172
196699955,0cyclictest506-21systemd-resolve00:06:532
196699954,1cyclictest743-21snmpd19:56:362
196699954,1cyclictest522-21avahi-daemon20:54:362
196699954,1cyclictest14700-21df_inode20:15:122
196699954,1cyclictest0-21swapper/221:45:012
196699953,2cyclictest743-21snmpd21:02:032
196699953,2cyclictest22786-21seq23:11:442
196609955,0cyclictest522-21avahi-daemon19:33:151
196609954,1cyclictest743-21snmpd22:32:481
196609954,1cyclictest717-21ntpd22:40:181
196609953,2cyclictest0-21swapper/100:00:101
196609952,3cyclictest27694-21expr23:25:121
196609952,2cyclictest575-21rs:main1
196609952,2cyclictest24811-21df20:40:121
196609952,2cyclictest244-20systemd-journal20:53:061
196609952,2cyclictest244-20systemd-journal00:10:551
196609952,2cyclictest10717-21grep20:05:111
196609950,4cyclictest31392-21ntpq20:55:151
196769943,1cyclictest16246-21http21:40:013
196769942,2cyclictest19517-21cut23:05:133
196769941,3cyclictest25650-21perl23:20:123
196769940,3cyclictest32451-21ls21:00:013
196769940,3cyclictest1380-21fw_forwarded_lo22:20:123
196769940,2cyclictest11360-21sort00:05:133
196699942,2cyclictest717-21ntpd23:05:142
196699942,2cyclictest717-21ntpd19:40:112
196699941,3cyclictest557-21NetworkManager21:15:052
196699940,4cyclictest5218-21ntpq21:10:182
196699940,3cyclictest17438-21df_inode23:00:102
196699940,2cyclictest8731-21sort20:00:132
196699940,2cyclictest747-21runrttasks23:53:062
196609943,1cyclictest8766-21cut20:00:131
196609942,2cyclictest743-21snmpd21:10:591
196609942,2cyclictest11351-21tune2fs00:05:131
196609941,2cyclictest828-21smartctl19:40:141
196609941,2cyclictest23489-21df23:15:131
196609940,4cyclictest31736-21ntpq22:15:131
196609940,3cyclictest571-21perl21:00:131
196609940,3cyclictest2499-21df_inode21:05:121
196609940,3cyclictest13391-21fschecks_count22:50:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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