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2026-04-23 - 00:50

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 22, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15032994242,0cyclictest7370-21fwupd09:27:423
15032992119,2cyclictest65850irq/126-lan11:21:523
15032992018,2cyclictest65850irq/126-lan10:57:053
15032991818,0cyclictest65850irq/126-lan09:33:303
15032991817,1cyclictest65850irq/126-lan11:28:203
15032991817,1cyclictest65850irq/126-lan10:35:113
15032991817,1cyclictest65850irq/126-lan09:15:173
15032991816,2cyclictest65850irq/126-lan12:10:133
15032991717,0cyclictest65850irq/126-lan09:00:183
15032991717,0cyclictest65850irq/126-lan08:20:183
15032991715,2cyclictest65850irq/126-lan10:05:173
15032991715,2cyclictest65850irq/126-lan07:50:153
15032991616,0cyclictest65850irq/126-lan11:50:143
15032991616,0cyclictest65850irq/126-lan11:46:053
15032991616,0cyclictest65850irq/126-lan09:11:063
15032991616,0cyclictest65850irq/126-lan07:25:123
15032991615,1cyclictest65850irq/126-lan12:25:133
15032991615,1cyclictest65850irq/126-lan12:00:213
15032991615,1cyclictest65850irq/126-lan10:30:133
15032991615,1cyclictest65850irq/126-lan10:20:183
15032991615,1cyclictest65850irq/126-lan09:55:123
15032991615,1cyclictest65850irq/126-lan08:00:173
15032991614,2cyclictest65850irq/126-lan11:00:123
15032991515,0cyclictest65850irq/126-lan11:55:183
15032991515,0cyclictest65850irq/126-lan11:15:133
15032991515,0cyclictest65850irq/126-lan10:47:453
15032991515,0cyclictest65850irq/126-lan08:40:063
15032991515,0cyclictest65850irq/126-lan07:49:063
15032991514,1cyclictest65850irq/126-lan12:30:193
15032991514,1cyclictest65850irq/126-lan08:45:163
15032991514,1cyclictest65850irq/126-lan08:25:213
15032991513,2cyclictest65850irq/126-lan12:15:103
15032991513,2cyclictest65850irq/126-lan10:10:213
15032991512,3cyclictest65850irq/126-lan08:10:193
15032991414,0cyclictest65850irq/126-lan09:50:133
15032991414,0cyclictest65850irq/126-lan09:40:133
15032991414,0cyclictest65850irq/126-lan08:15:153
15032991413,1cyclictest65850irq/126-lan11:40:183
15032991413,1cyclictest65850irq/126-lan11:35:153
15032991413,1cyclictest65850irq/126-lan09:35:153
15032991413,1cyclictest65850irq/126-lan08:37:073
15032991413,1cyclictest65850irq/126-lan07:20:153
15032991413,1cyclictest65850irq/126-lan07:15:173
15032991413,1cyclictest65850irq/126-lan07:10:213
15032991313,0cyclictest65850irq/126-lan12:22:003
15032991313,0cyclictest65850irq/126-lan08:55:063
15032991313,0cyclictest65850irq/126-lan07:56:063
15032991313,0cyclictest65850irq/126-lan07:40:093
15032991312,1cyclictest65850irq/126-lan11:10:143
15032991312,1cyclictest65850irq/126-lan11:05:133
15032991312,1cyclictest65850irq/126-lan07:35:113
15032991311,2cyclictest65850irq/126-lan10:15:113
15032991311,2cyclictest65850irq/126-lan10:00:143
15032991212,0cyclictest65850irq/126-lan09:45:153
15032991212,0cyclictest65850irq/126-lan09:20:123
15032991210,2cyclictest65850irq/126-lan08:50:203
1503299118,3cyclictest65850irq/126-lan07:30:153
15032991110,1cyclictest65850irq/126-lan12:35:103
15032991110,1cyclictest65850irq/126-lan08:05:143
1503299108,2cyclictest65850irq/126-lan11:30:163
1503299108,2cyclictest65850irq/126-lan08:33:063
1503299107,3cyclictest743-21snmpd10:26:033
150329998,1cyclictest65850irq/126-lan10:40:193
150259998,1cyclictest743-21snmpd11:10:231
150219998,1cyclictest743-21snmpd09:37:200
150219998,1cyclictest741-21lldpd12:24:300
150329988,0cyclictest65850irq/126-lan12:05:103
150329988,0cyclictest65850irq/126-lan10:50:153
150329988,0cyclictest65850irq/126-lan09:05:113
150309988,0cyclictest743-21snmpd11:45:352
150309988,0cyclictest743-21snmpd11:14:232
150309988,0cyclictest743-21snmpd10:28:542
150309988,0cyclictest741-21lldpd10:45:032
150309988,0cyclictest741-21lldpd09:45:412
150309987,1cyclictest743-21snmpd12:21:192
150309987,1cyclictest743-21snmpd08:49:262
150309986,2cyclictest743-21snmpd09:13:592
150309986,2cyclictest743-21snmpd08:58:112
150259988,0cyclictest743-21snmpd11:16:081
150259988,0cyclictest743-21snmpd10:56:101
150259988,0cyclictest741-21lldpd11:53:181
150259988,0cyclictest741-21lldpd11:03:251
150259988,0cyclictest741-21lldpd09:35:211
150259988,0cyclictest741-21lldpd08:51:061
150259987,1cyclictest743-21snmpd11:39:411
150259987,1cyclictest743-21snmpd09:07:131
150259987,1cyclictest743-21snmpd07:40:301
150259987,1cyclictest743-21snmpd07:21:541
150259986,2cyclictest743-21snmpd12:26:031
150259986,2cyclictest743-21snmpd09:43:111
150259986,2cyclictest743-21snmpd09:22:161
150259986,2cyclictest743-21snmpd09:04:431
150259986,2cyclictest743-21snmpd08:13:281
150219988,0cyclictest741-21lldpd12:38:250
150219988,0cyclictest741-21lldpd12:17:170
150219988,0cyclictest741-21lldpd11:29:240
150219988,0cyclictest741-21lldpd09:30:210
150219987,1cyclictest743-21snmpd08:52:470
150219987,1cyclictest244-20systemd-journal10:50:190
150219986,2cyclictest743-21snmpd10:42:250
150219986,2cyclictest743-21snmpd08:44:120
150219986,2cyclictest743-21snmpd08:09:220
150219986,2cyclictest743-21snmpd07:53:300
150219986,2cyclictest743-21snmpd07:37:060
150219986,2cyclictest743-21snmpd07:13:320
150309977,0cyclictest743-21snmpd11:50:052
150309977,0cyclictest743-21snmpd11:03:232
150309977,0cyclictest743-21snmpd10:00:502
150309977,0cyclictest743-21snmpd08:28:552
150309977,0cyclictest743-21snmpd07:27:452
150309977,0cyclictest743-21snmpd07:21:032
150309977,0cyclictest741-21lldpd11:55:332
150309977,0cyclictest741-21lldpd10:43:362
150309977,0cyclictest741-21lldpd09:41:462
150309977,0cyclictest725-21in:imuxsock07:55:002
150309976,1cyclictest743-21snmpd12:00:142
150309976,1cyclictest741-21lldpd10:38:122
150309976,1cyclictest741-21lldpd10:22:292
150309976,1cyclictest741-21lldpd09:31:452
150309976,1cyclictest522-21avahi-daemon07:43:102
150309975,2cyclictest743-21snmpd12:33:182
150309975,2cyclictest743-21snmpd12:17:332
150309975,2cyclictest743-21snmpd11:26:412
150309975,2cyclictest743-21snmpd10:30:572
150259977,0cyclictest743-21snmpd11:41:401
150259977,0cyclictest741-21lldpd12:31:251
150259977,0cyclictest741-21lldpd10:32:191
150259977,0cyclictest741-21lldpd10:21:211
150259977,0cyclictest741-21lldpd10:16:081
150259976,1cyclictest743-21snmpd08:21:221
150259976,1cyclictest741-21lldpd10:54:221
150259976,1cyclictest741-21lldpd07:15:471
150259975,2cyclictest743-21snmpd09:57:141
150259975,2cyclictest743-21snmpd07:46:001
150259975,2cyclictest22515-21cat08:45:141
150259973,3cyclictest7118-21sed10:45:181
150219977,0cyclictest743-21snmpd12:12:260
150219977,0cyclictest743-21snmpd12:05:060
150219977,0cyclictest743-21snmpd11:20:120
150219977,0cyclictest743-21snmpd11:15:170
150219977,0cyclictest743-21snmpd07:25:390
150219977,0cyclictest741-21lldpd08:46:360
150219977,0cyclictest741-21lldpd08:36:520
150219977,0cyclictest741-21lldpd08:26:560
150219977,0cyclictest741-21lldpd07:15:150
150219977,0cyclictest506-21systemd-resolve08:31:430
150219976,1cyclictest741-21lldpd09:00:520
150219976,1cyclictest573-21in:imuxsock09:20:080
150219976,1cyclictest573-21in:imuxsock07:40:220
150219976,1cyclictest20634-21needreboot10:00:160
150219975,2cyclictest743-21snmpd08:13:010
150219972,5cyclictest557-21NetworkManager09:49:410
150309966,0cyclictest743-21snmpd09:29:022
150309966,0cyclictest741-21lldpd12:10:332
150309966,0cyclictest741-21lldpd12:07:422
150309966,0cyclictest741-21lldpd11:38:472
150309966,0cyclictest741-21lldpd11:16:012
150309966,0cyclictest741-21lldpd10:19:552
150309966,0cyclictest0-21swapper/208:20:002
150309965,1cyclictest743-21snmpd08:50:172
150309965,1cyclictest743-21snmpd07:31:422
150309965,1cyclictest522-21avahi-daemon07:59:222
150309965,1cyclictest506-21systemd-resolve09:15:212
150309965,1cyclictest12484-21pmu-power08:20:192
150309965,1cyclictest0-21swapper/209:20:162
150309964,2cyclictest743-21snmpd11:41:372
150309964,2cyclictest743-21snmpd09:06:192
150309964,2cyclictest743-21snmpd09:01:542
150309963,2cyclictest743-21snmpd09:50:082
150309963,2cyclictest18750-21ntpq09:55:172
150309962,3cyclictest244-20systemd-journal08:36:072
150259966,0cyclictest741-21lldpd11:09:441
150259966,0cyclictest741-21lldpd08:42:361
150259966,0cyclictest741-21lldpd08:15:321
150259966,0cyclictest741-21lldpd08:05:081
150259966,0cyclictest741-21lldpd07:50:061
150259966,0cyclictest522-21avahi-daemon11:56:101
150259966,0cyclictest522-21avahi-daemon09:32:041
150259966,0cyclictest0-21swapper/112:36:171
150259965,1cyclictest24478-21cat10:10:131
150259964,2cyclictest743-21snmpd12:13:111
150259964,2cyclictest743-21snmpd12:09:511
150259963,3cyclictest557-21NetworkManager08:30:351
150259963,2cyclictest13050-21dpkg12:20:001
150259962,3cyclictest25508-21fw_conntrack11:30:131
150259962,3cyclictest244-20systemd-journal07:25:141
150219966,0cyclictest743-21snmpd08:15:010
150219966,0cyclictest741-21lldpd11:36:500
150219966,0cyclictest741-21lldpd10:25:200
150219965,1cyclictest965-21cpuspeed_turbos11:50:120
150219965,1cyclictest743-21snmpd12:03:170
150219965,1cyclictest743-21snmpd10:11:030
150219965,1cyclictest743-21snmpd09:40:290
150219965,1cyclictest743-21snmpd09:16:070
150219965,1cyclictest522-21avahi-daemon10:55:170
150219965,1cyclictest29883-21needreboot11:40:150
150219964,2cyclictest743-21snmpd08:57:270
150219963,3cyclictest557-21NetworkManager10:15:190
150219962,3cyclictest244-20systemd-journal10:08:100
150309955,0cyclictest743-21snmpd11:30:092
150309955,0cyclictest522-21avahi-daemon09:37:542
150309953,2cyclictest743-21snmpd07:49:452
150309953,2cyclictest16077-21grep12:25:152
150309952,3cyclictest557-21NetworkManager10:10:142
150309952,2cyclictest9200-21gzip10:50:172
150309952,2cyclictest575-21rs:main2
150309952,2cyclictest244-20systemd-journal08:41:292
150309952,2cyclictest21959-21ld11:20:162
150309952,2cyclictest15148-21cat11:05:122
150309951,3cyclictest22483-21uname10:05:142
150309950,4cyclictest8205-21ntp_192.168.11408:10:142
150309950,4cyclictest26148-21ntp_states07:35:162
150309950,4cyclictest20309-21ntpq12:35:152
150259955,0cyclictest743-21snmpd07:33:301
150259955,0cyclictest741-21lldpd10:38:501
150259955,0cyclictest741-21lldpd08:28:261
150259955,0cyclictest522-21avahi-daemon10:01:261
150259954,1cyclictest743-21snmpd09:27:101
150259954,1cyclictest522-21avahi-daemon11:25:511
150259954,1cyclictest0-21swapper/110:40:171
150259953,2cyclictest743-21snmpd09:49:171
150259952,3cyclictest557-21NetworkManager09:50:001
150259952,2cyclictest575-21rs:main1
150259952,2cyclictest3839-21sed08:00:131
150259952,2cyclictest32119-21seq09:10:091
150259952,2cyclictest26671-21seq07:35:301
150259952,2cyclictest2223-21ld07:55:151
150259951,3cyclictest717-21ntpd12:00:161
150259951,3cyclictest26550-21uname08:55:161
150259951,3cyclictest13255-21sort12:20:011
150219955,0cyclictest743-21snmpd10:49:260
150219955,0cyclictest741-21lldpd10:35:360
150219955,0cyclictest741-21lldpd09:27:170
150219954,1cyclictest522-21avahi-daemon09:10:130
150219953,2cyclictest743-21snmpd07:57:060
150219953,2cyclictest17642-21diskstats12:30:110
150219953,2cyclictest11556-21apt-get08:20:120
150219953,2cyclictest0-21swapper/011:00:050
150219952,3cyclictest557-21NetworkManager09:59:380
150219952,2cyclictest557-21NetworkManager07:20:020
150219952,2cyclictest29421-21sed10:20:200
150219950,5cyclictest557-21NetworkManager11:58:280
150219950,4cyclictest32126-21ntpq11:45:150
150309942,2cyclictest10369-21store10:55:002
150309940,4cyclictest17957-21ntpq07:15:152
150309940,3cyclictest16179-21diskstats08:30:132
150259942,2cyclictest743-21snmpd09:16:101
150259941,3cyclictest22830-21ntpq10:05:161
150259941,2cyclictest30382-21fschecks_time10:25:121
150259941,2cyclictest21706-21sed11:20:141
150259940,4cyclictest18190-21df_inode08:35:121
150219942,2cyclictest244-20systemd-journal11:30:070
150219941,3cyclictest15965-21apt-get09:50:110
150219941,2cyclictest30499-21gltestperf09:05:130
150219941,2cyclictest30075-21tune2fs07:45:130
150219941,2cyclictest17736-21missed_timers11:10:140
150219940,4cyclictest4233-21ntpq08:00:160
150219940,4cyclictest15408-21ntpq11:05:140
150219940,3cyclictest32386-21cut10:30:140
150219940,3cyclictest15621-21diskstats12:25:130
150309930,3cyclictest5678-21grep08:05:122
150309930,2cyclictest15313-21grep07:10:122
150259930,3cyclictest31425-21df11:45:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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