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2026-05-19 - 08:02

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 376 highest latencies:
System rack8slot6s.osadl.org (updated Tue May 19, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8700991918,1cyclictest65850irq/126-lan20:15:163
8700991818,0cyclictest65850irq/126-lan20:01:543
8700991817,1cyclictest65850irq/126-lan20:25:143
8700991817,1cyclictest65850irq/126-lan19:35:193
8691991818,0cyclictest743-21snmpd23:43:581
8691991818,0cyclictest743-21snmpd22:37:111
8691991818,0cyclictest743-21snmpd20:55:561
8691991818,0cyclictest743-21snmpd00:23:481
8691991818,0cyclictest743-21snmpd00:18:591
8700991716,1cyclictest65850irq/126-lan23:10:133
8700991716,1cyclictest65850irq/126-lan20:05:203
8700991716,1cyclictest65850irq/126-lan19:12:283
8691991717,0cyclictest743-21snmpd22:25:471
8691991717,0cyclictest743-21snmpd21:57:191
8691991717,0cyclictest743-21snmpd00:38:541
8700991616,0cyclictest65850irq/126-lan23:20:173
8700991616,0cyclictest65850irq/126-lan20:50:213
8700991616,0cyclictest65850irq/126-lan20:45:153
8700991616,0cyclictest65850irq/126-lan00:11:453
8700991615,1cyclictest65850irq/126-lan23:30:133
8700991615,1cyclictest65850irq/126-lan23:25:133
8700991615,1cyclictest65850irq/126-lan22:56:413
8700991615,1cyclictest65850irq/126-lan22:30:213
8700991615,1cyclictest65850irq/126-lan21:50:143
8700991615,1cyclictest65850irq/126-lan20:20:133
8700991615,1cyclictest65850irq/126-lan19:40:153
8700991615,1cyclictest65850irq/126-lan00:05:213
8700991515,0cyclictest65850irq/126-lan23:57:403
8700991515,0cyclictest65850irq/126-lan22:45:153
8700991515,0cyclictest65850irq/126-lan21:45:173
8700991515,0cyclictest65850irq/126-lan21:40:143
8700991515,0cyclictest65850irq/126-lan21:00:173
8700991515,0cyclictest65850irq/126-lan20:55:133
8700991515,0cyclictest65850irq/126-lan00:20:143
8700991514,1cyclictest65850irq/126-lan23:50:153
8700991514,1cyclictest65850irq/126-lan23:45:223
8700991514,1cyclictest65850irq/126-lan23:05:093
8700991514,1cyclictest65850irq/126-lan22:50:133
8700991514,1cyclictest65850irq/126-lan22:25:173
8700991514,1cyclictest65850irq/126-lan21:55:153
8700991514,1cyclictest65850irq/126-lan21:35:163
8700991514,1cyclictest65850irq/126-lan21:25:163
8700991514,1cyclictest65850irq/126-lan19:50:553
8700991514,1cyclictest65850irq/126-lan00:25:083
8700991514,1cyclictest65850irq/126-lan00:15:183
8700991414,0cyclictest65850irq/126-lan23:00:143
8700991414,0cyclictest65850irq/126-lan22:40:103
8700991414,0cyclictest65850irq/126-lan22:13:543
8700991414,0cyclictest65850irq/126-lan19:58:253
8700991413,1cyclictest65850irq/126-lan23:35:203
8700991413,1cyclictest65850irq/126-lan22:00:213
8700991413,1cyclictest65850irq/126-lan19:45:143
8700991413,1cyclictest65850irq/126-lan19:21:033
8700991413,1cyclictest65850irq/126-lan00:30:113
8700991313,0cyclictest65850irq/126-lan23:19:553
8700991313,0cyclictest65850irq/126-lan20:35:163
8700991313,0cyclictest65850irq/126-lan20:30:133
8700991312,1cyclictest65850irq/126-lan23:40:553
8700991312,1cyclictest65850irq/126-lan22:35:003
8700991312,1cyclictest65850irq/126-lan22:20:133
8700991312,1cyclictest65850irq/126-lan21:30:113
8700991312,1cyclictest65850irq/126-lan00:00:153
8691991313,0cyclictest743-21snmpd20:45:241
8700991212,0cyclictest65850irq/126-lan20:40:153
8700991211,1cyclictest65850irq/126-lan21:23:543
8700991211,1cyclictest65850irq/126-lan21:15:193
8700991211,1cyclictest65850irq/126-lan19:30:223
8700991211,1cyclictest65850irq/126-lan19:15:173
8700991211,1cyclictest65850irq/126-lan00:35:163
8700991111,0cyclictest65850irq/126-lan21:05:193
8700991111,0cyclictest65850irq/126-lan20:10:173
8700991110,1cyclictest65850irq/126-lan22:05:133
87009999,0cyclictest65850irq/126-lan19:25:113
87009998,1cyclictest65850irq/126-lan22:15:183
87009998,1cyclictest65850irq/126-lan21:10:143
86919998,1cyclictest743-21snmpd23:26:341
86919998,1cyclictest743-21snmpd20:23:341
86919998,1cyclictest743-21snmpd19:57:541
86919998,1cyclictest743-21snmpd19:30:501
86919998,1cyclictest743-21snmpd00:31:331
86869998,1cyclictest743-21snmpd23:01:120
86869998,1cyclictest743-21snmpd21:27:000
86869998,1cyclictest743-21snmpd19:48:350
86959988,0cyclictest743-21snmpd23:17:422
86959988,0cyclictest743-21snmpd21:41:062
86959987,1cyclictest743-21snmpd23:24:432
86959987,1cyclictest743-21snmpd22:19:192
86959986,2cyclictest743-21snmpd22:47:562
86959986,2cyclictest743-21snmpd22:36:022
86959986,2cyclictest743-21snmpd21:29:032
86959986,2cyclictest743-21snmpd21:21:542
86959986,2cyclictest743-21snmpd20:57:142
86959986,2cyclictest743-21snmpd00:15:082
86919988,0cyclictest743-21snmpd23:48:161
86919988,0cyclictest743-21snmpd22:20:251
86919988,0cyclictest743-21snmpd19:21:381
86919988,0cyclictest741-21lldpd22:48:511
86919988,0cyclictest741-21lldpd21:08:221
86919987,1cyclictest743-21snmpd23:11:061
86919987,1cyclictest743-21snmpd22:56:481
86919987,1cyclictest743-21snmpd21:46:541
86919987,1cyclictest743-21snmpd20:51:051
86919986,2cyclictest743-21snmpd23:18:091
86919986,2cyclictest743-21snmpd22:01:401
86919986,2cyclictest743-21snmpd00:04:021
86919985,3cyclictest743-21snmpd23:23:041
86919985,3cyclictest717-21ntpd22:30:121
86869988,0cyclictest741-21lldpd23:45:380
86869988,0cyclictest741-21lldpd21:38:320
86869988,0cyclictest741-21lldpd20:59:340
86869987,1cyclictest743-21snmpd22:42:500
86869987,1cyclictest743-21snmpd22:12:460
86869987,1cyclictest743-21snmpd20:30:010
86869987,1cyclictest743-21snmpd20:09:360
86869987,1cyclictest743-21snmpd00:00:290
86869987,1cyclictest522-21avahi-daemon23:50:010
86869987,1cyclictest522-21avahi-daemon21:55:200
86869986,2cyclictest743-21snmpd21:13:590
86869986,2cyclictest743-21snmpd20:39:430
86959977,0cyclictest743-21snmpd20:00:062
86959977,0cyclictest743-21snmpd19:12:282
86959976,1cyclictest743-21snmpd22:20:192
86959976,1cyclictest743-21snmpd21:46:212
86959976,1cyclictest743-21snmpd19:45:422
86959976,1cyclictest522-21avahi-daemon22:27:082
86959976,1cyclictest29832-21dpkg-db-backup00:00:002
86959976,1cyclictest244-20systemd-journal20:29:462
86959975,2cyclictest743-21snmpd20:34:582
86959975,2cyclictest743-21snmpd19:27:322
86919977,0cyclictest743-21snmpd20:11:331
86919977,0cyclictest741-21lldpd21:36:581
86919977,0cyclictest741-21lldpd19:48:511
86919976,1cyclictest743-21snmpd20:40:131
86919976,1cyclictest743-21snmpd19:17:021
86919976,1cyclictest29863-40ogrotate00:00:011
86919975,2cyclictest743-21snmpd23:10:001
86919975,2cyclictest743-21snmpd23:02:481
86919975,2cyclictest743-21snmpd21:33:241
86919975,2cyclictest743-21snmpd20:16:161
86919975,2cyclictest25781-21cat21:10:131
86919974,3cyclictest743-21snmpd21:51:161
86919974,2cyclictest18277-21grep23:30:131
86869977,0cyclictest743-21snmpd23:56:020
86869977,0cyclictest743-21snmpd19:26:410
86869977,0cyclictest743-21snmpd00:31:480
86869977,0cyclictest741-21lldpd23:31:540
86869977,0cyclictest741-21lldpd22:57:470
86869977,0cyclictest741-21lldpd22:36:510
86869976,1cyclictest743-21snmpd21:24:090
86869976,1cyclictest743-21snmpd20:49:410
86869976,1cyclictest741-21lldpd20:40:280
86869975,2cyclictest743-21snmpd22:15:310
86869975,2cyclictest743-21snmpd21:16:590
86869975,2cyclictest743-21snmpd21:08:020
86869975,2cyclictest743-21snmpd19:32:100
86869975,2cyclictest743-21snmpd19:12:350
86959966,0cyclictest743-21snmpd23:01:572
86959966,0cyclictest743-21snmpd22:34:232
86959966,0cyclictest743-21snmpd21:30:062
86959966,0cyclictest743-21snmpd19:40:472
86959966,0cyclictest741-21lldpd21:15:042
86959966,0cyclictest741-21lldpd00:30:232
86959966,0cyclictest522-21avahi-daemon21:07:112
86959965,1cyclictest743-21snmpd22:14:432
86959965,1cyclictest522-21avahi-daemon21:51:002
86959964,2cyclictest743-21snmpd23:42:192
86959964,2cyclictest743-21snmpd23:39:432
86959964,2cyclictest743-21snmpd20:16:582
86959964,2cyclictest743-21snmpd19:59:392
86959964,2cyclictest743-21snmpd00:05:562
86959964,2cyclictest2640-21cat00:10:152
86959963,2cyclictest14084-21ntpq20:40:172
86959962,3cyclictest31413-21ntp_states00:00:182
86959962,3cyclictest2095-21fw_forwarded_lo22:50:122
86959961,3cyclictest14225-21cat00:40:002
86959960,6cyclictest557-21NetworkManager23:10:132
86919966,0cyclictest743-21snmpd20:06:211
86919966,0cyclictest741-21lldpd21:23:061
86919966,0cyclictest573-21in:imuxsock22:11:121
86919965,1cyclictest743-21snmpd19:29:351
86919965,1cyclictest741-21lldpd21:27:121
86919965,1cyclictest741-21lldpd19:40:451
86919964,2cyclictest743-21snmpd20:38:431
86919964,2cyclictest743-21snmpd20:32:001
86919962,3cyclictest25596-21df19:50:121
86919962,3cyclictest244-20systemd-journal23:53:091
86869966,0cyclictest743-21snmpd20:53:110
86869965,1cyclictest743-21snmpd00:08:110
86869965,1cyclictest21594-21fschecks_time21:00:150
86869965,1cyclictest16021-21cpuspeed_turbos23:25:110
86869964,2cyclictest743-21snmpd19:40:140
86869964,2cyclictest743-21snmpd19:15:130
86869963,2cyclictest3556-21pluginstate22:55:000
86869963,2cyclictest1071-21grep22:45:210
86869962,3cyclictest12918-21sed00:35:150
86959955,0cyclictest743-21snmpd19:16:412
86959954,1cyclictest522-21avahi-daemon20:22:482
86959954,1cyclictest24815-21ntpq23:45:202
86959953,2cyclictest743-21snmpd22:01:192
86959953,2cyclictest743-21snmpd21:12:232
86959953,2cyclictest743-21snmpd19:32:052
86959953,2cyclictest6697-21cat00:20:142
86959952,3cyclictest557-21NetworkManager21:58:002
86959952,2cyclictest9096-21ld00:25:142
86959952,2cyclictest32455-21ps20:05:182
86959952,2cyclictest27595-21sshd23:52:192
86959952,2cyclictest244-20systemd-journal23:26:552
86959952,2cyclictest244-20systemd-journal20:11:342
86959951,4cyclictest557-21NetworkManager19:20:112
86959951,3cyclictest9559-21seq23:09:252
86959950,4cyclictest22138-21ntpq21:00:192
86959950,4cyclictest16898-21seq20:48:392
86919955,0cyclictest743-21snmpd00:07:381
86919955,0cyclictest741-21lldpd19:35:371
86919955,0cyclictest741-21lldpd19:13:081
86919954,1cyclictest743-21snmpd00:25:461
86919953,2cyclictest717-21ntpd21:15:171
86919953,2cyclictest2638-21cat00:10:161
86919952,3cyclictest6255-21ntpq21:40:151
86919952,3cyclictest557-21NetworkManager20:29:461
86919952,2cyclictest30816-21needreboot22:40:141
86919952,2cyclictest20562-21pmu-power22:15:191
86919952,2cyclictest1961-21df_inode22:50:111
86919950,4cyclictest207-21jbd2/nvme0n1p2-820:02:491
86869955,0cyclictest741-21lldpd20:10:450
86869954,1cyclictest741-21lldpd00:24:430
86869954,1cyclictest5347-21fschecks_count20:20:100
86869954,1cyclictest522-21avahi-daemon23:37:550
86869954,1cyclictest2871-21needreboot00:10:160
86869954,1cyclictest1847-21gltestperf21:30:120
86869954,1cyclictest0-21swapper/022:25:140
86869953,2cyclictest743-21snmpd20:03:290
86869953,2cyclictest0-21swapper/023:10:000
86869952,3cyclictest557-21NetworkManager20:18:130
86869952,2cyclictest575-21rs:main0
86869952,2cyclictest26662-21cat19:50:210
86869952,2cyclictest26035-21gltestperf22:30:140
86869952,2cyclictest244-20systemd-journal21:47:210
86869952,2cyclictest12021-21cut23:15:140
86869951,3cyclictest13764-21diskstats22:00:130
86959943,1cyclictest30240-21cpuspeed_turbos22:40:112
86959943,1cyclictest1290-21kworker/2:1-mm_percpu_wq22:55:062
86959942,2cyclictest15617-21grep22:05:122
86959941,3cyclictest26300-21ld19:50:182
86959941,2cyclictest17376-21cpuspeed_turbos20:50:122
86959941,2cyclictest11923-21awk20:35:172
86959940,4cyclictest557-21NetworkManager23:30:172
86959940,3cyclictest4006-21cat21:35:142
86959940,3cyclictest20094-21ntp_192.168.11419:35:232
86919942,2cyclictest743-21snmpd23:38:461
86919940,3cyclictest21487-21df21:00:141
86919940,3cyclictest15775-21diskstats22:05:121
86869943,1cyclictest171ktimers/021:40:100
86869943,1cyclictest0-21swapper/020:25:110
86869942,2cyclictest9546-21apt-get21:50:090
86869942,2cyclictest743-21snmpd22:05:430
86869942,2cyclictest4229-21apt-get00:15:120
86869942,2cyclictest21642-21/usr/sbin/munin22:20:140
86869941,3cyclictest717-21ntpd23:40:120
86869941,2cyclictest19753-21cut19:35:200
86869941,2cyclictest13051-21rm19:20:000
86869940,4cyclictest9045-21ntpq00:25:130
86869940,4cyclictest27612-21df19:55:130
86869940,3cyclictest9886-21apt-get23:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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