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2026-03-16 - 06:00

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 Mon Mar 16, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1714991918,1cyclictest65850irq/126-lan23:55:131
1714991918,1cyclictest65850irq/126-lan23:55:121
1714991918,1cyclictest65850irq/126-lan21:15:101
1714991918,1cyclictest65850irq/126-lan21:01:421
1718991818,0cyclictest743-21snmpd23:26:432
1718991818,0cyclictest16448-21cat19:45:132
1714991818,0cyclictest65850irq/126-lan23:50:141
1714991818,0cyclictest65850irq/126-lan23:45:211
1714991817,1cyclictest65850irq/126-lan21:45:001
1714991817,1cyclictest65850irq/126-lan20:10:181
1714991817,1cyclictest65850irq/126-lan00:30:131
1718991717,0cyclictest743-21snmpd22:16:162
1714991717,0cyclictest65850irq/126-lan23:20:201
1714991717,0cyclictest65850irq/126-lan00:05:201
1714991716,1cyclictest65850irq/126-lan23:10:141
1714991716,1cyclictest65850irq/126-lan21:30:131
1714991716,1cyclictest65850irq/126-lan19:50:181
1714991716,1cyclictest65850irq/126-lan00:21:371
1714991716,1cyclictest65850irq/126-lan00:00:151
1714991715,2cyclictest65850irq/126-lan22:40:011
1714991715,2cyclictest65850irq/126-lan21:50:171
1714991715,2cyclictest65850irq/126-lan20:55:131
1714991715,2cyclictest65850irq/126-lan19:45:141
1714991715,2cyclictest65850irq/126-lan00:35:181
1714991616,0cyclictest65850irq/126-lan22:55:201
1714991616,0cyclictest65850irq/126-lan21:25:201
1714991616,0cyclictest65850irq/126-lan19:10:201
1714991615,1cyclictest65850irq/126-lan21:20:181
1714991615,1cyclictest65850irq/126-lan20:40:191
1714991615,1cyclictest65850irq/126-lan19:40:151
1714991615,1cyclictest65850irq/126-lan19:26:211
1714991615,1cyclictest65850irq/126-lan00:10:111
1714991614,2cyclictest65850irq/126-lan22:50:131
1714991614,2cyclictest65850irq/126-lan22:20:161
1714991614,2cyclictest65850irq/126-lan21:58:211
1714991614,2cyclictest65850irq/126-lan21:06:461
1718991515,0cyclictest743-21snmpd19:22:192
1714991515,0cyclictest65850irq/126-lan20:00:191
1714991514,1cyclictest65850irq/126-lan23:30:141
1714991514,1cyclictest65850irq/126-lan23:05:151
1714991514,1cyclictest65850irq/126-lan21:10:131
1714991514,1cyclictest65850irq/126-lan19:35:161
1714991514,1cyclictest65850irq/126-lan00:15:181
1714991513,2cyclictest65850irq/126-lan22:28:211
1714991513,2cyclictest65850irq/126-lan22:05:181
1714991511,1cyclictest65850irq/126-lan20:15:181
1718991413,1cyclictest16731-21kworker/2:1+events20:22:362
1714991414,0cyclictest65850irq/126-lan22:31:581
1714991414,0cyclictest65850irq/126-lan22:10:111
1714991413,1cyclictest65850irq/126-lan22:00:121
1714991413,1cyclictest65850irq/126-lan20:50:151
1714991413,1cyclictest65850irq/126-lan19:15:161
1714991412,2cyclictest65850irq/126-lan22:45:141
1714991411,1cyclictest65850irq/126-lan20:25:171
1718991312,1cyclictest16731-21kworker/2:1+events00:10:102
1714991313,0cyclictest65850irq/126-lan23:35:181
1714991312,1cyclictest65850irq/126-lan23:40:201
1714991312,1cyclictest65850irq/126-lan23:15:191
1714991312,1cyclictest65850irq/126-lan22:18:391
1714991312,1cyclictest65850irq/126-lan19:30:131
1714991312,1cyclictest65850irq/126-lan19:20:151
1714991312,1cyclictest65850irq/126-lan00:25:171
1714991212,0cyclictest65850irq/126-lan20:33:411
1714991211,1cyclictest65850irq/126-lan21:48:211
1714991211,1cyclictest65850irq/126-lan20:35:201
1714991211,1cyclictest65850irq/126-lan20:05:171
1714991111,0cyclictest65850irq/126-lan23:25:201
1714991111,0cyclictest65850irq/126-lan23:00:161
1714991111,0cyclictest65850irq/126-lan21:35:151
1714991110,1cyclictest65850irq/126-lan22:35:131
171499109,1cyclictest65850irq/126-lan20:45:171
17239998,1cyclictest743-21snmpd22:07:573
17239998,1cyclictest743-21snmpd22:04:303
17189998,1cyclictest743-21snmpd21:33:002
17149999,0cyclictest65850irq/126-lan19:58:231
17079998,1cyclictest3243-21ntp_kernel_err00:25:160
17239988,0cyclictest743-21snmpd23:45:103
17239988,0cyclictest743-21snmpd21:17:173
17239988,0cyclictest743-21snmpd20:25:033
17239987,1cyclictest743-21snmpd22:45:473
17239987,1cyclictest743-21snmpd22:42:553
17239987,1cyclictest743-21snmpd22:36:263
17239987,1cyclictest743-21snmpd22:33:373
17239986,2cyclictest743-21snmpd23:32:573
17239986,2cyclictest743-21snmpd20:07:323
17239986,2cyclictest743-21snmpd20:02:203
17239980,7cyclictest11987-21cpuspeed_turbos22:10:113
17189988,0cyclictest743-21snmpd00:32:382
17189988,0cyclictest741-21lldpd23:58:562
17189988,0cyclictest741-21lldpd23:58:552
17189988,0cyclictest741-21lldpd22:04:242
17189988,0cyclictest741-21lldpd21:16:022
17189988,0cyclictest741-21lldpd21:12:192
17189988,0cyclictest741-21lldpd20:51:372
17189988,0cyclictest741-21lldpd20:42:222
17189986,2cyclictest743-21snmpd22:24:352
17189986,2cyclictest743-21snmpd21:22:262
17189986,2cyclictest743-21snmpd20:15:292
17189985,3cyclictest14457-21cat19:40:132
17149987,1cyclictest65850irq/126-lan20:20:161
17079988,0cyclictest743-21snmpd23:44:410
17079988,0cyclictest743-21snmpd22:49:230
17079988,0cyclictest743-21snmpd21:44:440
17079988,0cyclictest743-21snmpd20:58:130
17079988,0cyclictest741-21lldpd22:40:200
17079988,0cyclictest741-21lldpd20:49:190
17079988,0cyclictest741-21lldpd20:01:570
17079988,0cyclictest741-21lldpd19:34:450
17079988,0cyclictest741-21lldpd19:13:170
17079987,1cyclictest743-21snmpd23:08:170
17079987,1cyclictest743-21snmpd19:47:450
17079987,1cyclictest743-21snmpd19:37:070
17079987,1cyclictest743-21snmpd19:25:040
17079987,1cyclictest522-21avahi-daemon23:49:220
17079986,2cyclictest743-21snmpd22:00:030
17079986,2cyclictest743-21snmpd21:53:070
17239977,0cyclictest743-21snmpd23:59:203
17239977,0cyclictest743-21snmpd23:59:193
17239977,0cyclictest743-21snmpd00:03:103
17239977,0cyclictest741-21lldpd22:56:303
17239977,0cyclictest741-21lldpd21:38:473
17239977,0cyclictest741-21lldpd20:55:273
17239977,0cyclictest741-21lldpd00:26:263
17239977,0cyclictest741-21lldpd00:14:233
17239976,1cyclictest743-21snmpd23:04:293
17239976,1cyclictest743-21snmpd21:08:193
17239976,1cyclictest743-21snmpd20:22:483
17239976,1cyclictest522-21avahi-daemon19:15:203
17239975,2cyclictest743-21snmpd21:10:133
17239975,2cyclictest743-21snmpd19:56:083
17239973,3cyclictest2459-21grep21:45:153
17239970,6cyclictest14557-21fw_forwarded_lo23:35:153
17189977,0cyclictest741-21lldpd20:28:022
17189977,0cyclictest741-21lldpd00:28:382
17189976,1cyclictest743-21snmpd23:09:392
17189976,1cyclictest743-21snmpd22:40:012
17189976,1cyclictest522-21avahi-daemon20:47:232
17189976,1cyclictest30376-21needreboot21:35:152
17189976,1cyclictest16731-21kworker/2:1+events23:45:162
17189976,1cyclictest16731-21kworker/2:1+events23:35:222
17189976,1cyclictest16731-21kworker/2:1+events23:30:122
17189976,1cyclictest16731-21kworker/2:1+events23:20:142
17189976,1cyclictest16731-21kworker/2:1+events23:15:122
17189976,1cyclictest16731-21kworker/2:1+events23:10:042
17189976,1cyclictest16731-21kworker/2:1+events22:55:102
17189976,1cyclictest16731-21kworker/2:1+events22:51:252
17189976,1cyclictest16731-21kworker/2:1+events22:35:172
17189976,1cyclictest16731-21kworker/2:1+events22:30:122
17189976,1cyclictest16731-21kworker/2:1+events22:10:202
17189976,1cyclictest16731-21kworker/2:1+events22:05:562
17189976,1cyclictest16731-21kworker/2:1+events21:55:142
17189976,1cyclictest16731-21kworker/2:1+events21:46:142
17189976,1cyclictest16731-21kworker/2:1+events21:40:162
17189976,1cyclictest16731-21kworker/2:1+events21:25:142
17189976,1cyclictest16731-21kworker/2:1+events21:00:192
17189976,1cyclictest16731-21kworker/2:1+events20:55:182
17189976,1cyclictest16731-21kworker/2:1+events20:36:402
17189976,1cyclictest16731-21kworker/2:1+events20:10:162
17189976,1cyclictest16731-21kworker/2:1+events20:06:442
17189976,1cyclictest16731-21kworker/2:1+events20:00:162
17189976,1cyclictest16731-21kworker/2:1+events19:55:162
17189976,1cyclictest16731-21kworker/2:1+events19:55:002
17189976,1cyclictest16731-21kworker/2:1+events19:37:522
17189976,1cyclictest16731-21kworker/2:1+events19:25:162
17189976,1cyclictest16731-21kworker/2:1+events19:10:132
17189976,1cyclictest16731-21kworker/2:1+events00:38:212
17189976,1cyclictest16731-21kworker/2:1+events00:20:152
17189976,1cyclictest16731-21kworker/2:1+events00:18:202
17189976,1cyclictest16731-21kworker/2:1+events00:05:132
17189976,1cyclictest16731-21kworker/2:1+events00:00:462
17079977,0cyclictest743-21snmpd19:18:460
17079977,0cyclictest741-21lldpd23:32:070
17079977,0cyclictest741-21lldpd22:18:000
17079977,0cyclictest741-21lldpd21:10:590
17079977,0cyclictest741-21lldpd21:05:110
17079977,0cyclictest741-21lldpd20:25:460
17079977,0cyclictest741-21lldpd20:20:180
17079977,0cyclictest741-21lldpd00:39:160
17079976,1cyclictest9941-21cpuspeed_turbos22:05:120
17079976,1cyclictest743-21snmpd23:55:280
17079976,1cyclictest743-21snmpd23:55:280
17079976,1cyclictest743-21snmpd21:46:480
17079976,1cyclictest741-21lldpd19:41:060
17079976,1cyclictest6369-21fschecks_time23:15:120
17079976,1cyclictest522-21avahi-daemon00:03:360
17079975,2cyclictest743-21snmpd23:28:040
17079975,2cyclictest743-21snmpd23:13:030
17079975,2cyclictest743-21snmpd22:36:530
17079975,2cyclictest743-21snmpd22:12:360
17079975,2cyclictest743-21snmpd21:01:580
17079973,4cyclictest0-21swapper/020:45:000
17239966,0cyclictest743-21snmpd23:20:553
17239966,0cyclictest743-21snmpd21:57:333
17239966,0cyclictest743-21snmpd21:53:213
17239966,0cyclictest743-21snmpd21:26:383
17239966,0cyclictest743-21snmpd19:52:503
17239966,0cyclictest741-21lldpd23:16:053
17239966,0cyclictest741-21lldpd19:30:113
17239966,0cyclictest741-21lldpd19:28:223
17239966,0cyclictest741-21lldpd19:23:493
17239965,1cyclictest743-21snmpd21:23:173
17239965,1cyclictest506-21systemd-resolve00:20:143
17239965,1cyclictest32046-21gltestperf21:40:133
17239965,1cyclictest20675-21gltestperf23:50:123
17239964,2cyclictest743-21snmpd23:09:333
17239964,2cyclictest743-21snmpd20:15:473
17239962,4cyclictest29630-21cat21:35:013
17189965,1cyclictest743-21snmpd22:27:012
17189965,1cyclictest743-21snmpd21:05:012
17189965,1cyclictest16731-21kworker/2:1+events23:50:202
17189965,1cyclictest16731-21kworker/2:1+events23:40:132
17189965,1cyclictest16731-21kworker/2:1+events23:00:082
17189965,1cyclictest16731-21kworker/2:1+events22:45:122
17189965,1cyclictest16731-21kworker/2:1+events21:50:162
17189965,1cyclictest16731-21kworker/2:1+events20:30:122
17189965,1cyclictest16731-21kworker/2:1+events19:30:122
17189965,1cyclictest16731-21kworker/2:1+events19:15:142
17079966,0cyclictest743-21snmpd23:35:270
17079966,0cyclictest743-21snmpd20:31:540
17079966,0cyclictest741-21lldpd21:30:230
17079966,0cyclictest741-21lldpd19:50:200
17079966,0cyclictest522-21avahi-daemon21:18:320
17079965,1cyclictest743-21snmpd00:17:260
17079965,1cyclictest743-21snmpd00:13:050
17079964,2cyclictest743-21snmpd21:24:470
17079964,2cyclictest743-21snmpd20:54:010
17079964,2cyclictest743-21snmpd20:07:590
17239955,0cyclictest743-21snmpd20:53:463
17239955,0cyclictest741-21lldpd23:10:313
17239955,0cyclictest741-21lldpd22:25:523
17239955,0cyclictest5974-21sendmail20:40:003
17239955,0cyclictest3971-21turbostat20:35:003
17239955,0cyclictest0-21swapper/300:30:113
17239954,1cyclictest743-21snmpd23:43:313
17239954,1cyclictest26725-21fschecks_count20:10:143
17239953,2cyclictest743-21snmpd00:05:533
17239952,3cyclictest743-21snmpd20:46:513
17239952,3cyclictest28745-21fw_forwarded_lo22:50:143
17239952,2cyclictest575-21rs:main3
17239952,2cyclictest3209-21sed19:10:203
17239952,2cyclictest13891-21apt-get22:15:113
17079955,0cyclictest741-21lldpd21:56:220
17079955,0cyclictest741-21lldpd00:30:560
17079955,0cyclictest522-21avahi-daemon20:10:270
17079954,1cyclictest20540-21cpuspeed_turbos19:55:110
17079953,2cyclictest743-21snmpd22:22:290
17079953,0cyclictest0-21swapper/021:25:240
17079952,2cyclictest9443-21unixbench_multi23:20:210
17079952,2cyclictest244-20systemd-journal22:58:000
17079952,2cyclictest20057-21tr22:30:120
17079952,2cyclictest1365-21sed00:20:200
17079950,4cyclictest4988-21ntpq20:35:160
17239943,1cyclictest0-21swapper/319:40:123
17239942,2cyclictest10926-21ntpq23:25:153
17239941,2cyclictest6243-21acpi20:40:093
17239941,2cyclictest30608-21cut00:15:123
17239941,2cyclictest16472-21latency22:20:153
17239941,2cyclictest16094-21cpuspeed_turbos19:45:113
17239941,2cyclictest15378-21fschecks_count21:00:113
17239940,3cyclictest6830-21fw_packets00:35:143
17079943,1cyclictest743-21snmpd23:52:520
17079942,2cyclictest28948-21grep22:50:150
17079941,3cyclictest18491-21load22:25:140
17079941,2cyclictest757-21grep23:00:140
17079940,4cyclictest29288-21ntpq20:15:180
17079940,3cyclictest6393-21irqstats19:20:130
17079940,3cyclictest29718-21dpkg21:35:120
17079940,3cyclictest26689-21fw_forwarded_lo00:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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