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2026-05-18 - 05:33

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 Mon May 18, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15833991918,1cyclictest65850irq/126-lan21:25:143
15833991717,0cyclictest65850irq/126-lan20:40:153
15833991717,0cyclictest65850irq/126-lan20:17:553
15833991716,1cyclictest65850irq/126-lan22:40:553
15833991716,1cyclictest65850irq/126-lan22:35:173
15833991716,1cyclictest65850irq/126-lan22:25:213
15833991716,1cyclictest65850irq/126-lan21:49:573
15833991716,1cyclictest65850irq/126-lan21:30:173
15833991716,1cyclictest65850irq/126-lan21:15:163
15833991616,0cyclictest65850irq/126-lan21:44:043
15833991616,0cyclictest65850irq/126-lan20:35:203
15833991616,0cyclictest65850irq/126-lan00:31:553
15833991616,0cyclictest65850irq/126-lan00:00:013
15833991615,1cyclictest65850irq/126-lan23:00:163
15833991615,1cyclictest65850irq/126-lan21:50:133
15833991615,1cyclictest65850irq/126-lan21:10:163
15833991615,1cyclictest65850irq/126-lan20:10:163
15833991615,1cyclictest65850irq/126-lan20:00:153
15833991615,1cyclictest65850irq/126-lan00:20:143
15833991515,0cyclictest65850irq/126-lan23:35:163
15833991515,0cyclictest65850irq/126-lan23:25:153
15833991515,0cyclictest65850irq/126-lan19:30:563
15833991514,1cyclictest65850irq/126-lan23:58:113
15833991514,1cyclictest65850irq/126-lan23:50:563
15833991514,1cyclictest65850irq/126-lan23:45:143
15833991514,1cyclictest65850irq/126-lan23:40:173
15833991514,1cyclictest65850irq/126-lan23:10:183
15833991514,1cyclictest65850irq/126-lan22:50:203
15833991514,1cyclictest65850irq/126-lan22:30:153
15833991514,1cyclictest65850irq/126-lan22:10:143
15833991514,1cyclictest65850irq/126-lan21:00:193
15833991514,1cyclictest65850irq/126-lan20:08:193
15833991514,1cyclictest65850irq/126-lan19:35:143
15833991414,0cyclictest65850irq/126-lan20:56:563
15833991414,0cyclictest65850irq/126-lan00:16:563
15833991413,1cyclictest65850irq/126-lan22:20:183
15833991413,1cyclictest65850irq/126-lan21:20:233
15833991413,1cyclictest65850irq/126-lan19:50:013
15833991413,1cyclictest65850irq/126-lan00:40:013
15833991313,0cyclictest65850irq/126-lan21:05:153
15833991313,0cyclictest65850irq/126-lan19:45:143
15833991313,0cyclictest65850irq/126-lan19:15:163
15833991312,1cyclictest65850irq/126-lan20:50:153
15833991312,1cyclictest65850irq/126-lan20:25:183
15833991212,0cyclictest65850irq/126-lan23:21:113
15833991212,0cyclictest65850irq/126-lan20:45:553
15833991212,0cyclictest65850irq/126-lan20:21:473
15833991212,0cyclictest65850irq/126-lan19:55:113
15833991212,0cyclictest65850irq/126-lan00:28:243
15833991212,0cyclictest65850irq/126-lan00:05:123
15833991211,1cyclictest65850irq/126-lan23:15:183
15833991211,1cyclictest65850irq/126-lan23:05:223
15833991111,0cyclictest65850irq/126-lan22:55:553
15833991111,0cyclictest65850irq/126-lan00:10:163
15833991110,1cyclictest65850irq/126-lan21:55:143
15833991110,1cyclictest65850irq/126-lan19:40:143
1583399109,1cyclictest65850irq/126-lan19:20:513
15833991010,0cyclictest65850irq/126-lan22:45:153
15833991010,0cyclictest65850irq/126-lan22:16:063
158339999,0cyclictest65850irq/126-lan21:35:173
158339999,0cyclictest65850irq/126-lan20:30:213
158339999,0cyclictest65850irq/126-lan19:25:133
158339998,1cyclictest65850irq/126-lan19:10:203
158289998,1cyclictest743-21snmpd20:59:482
158169998,1cyclictest743-21snmpd23:43:110
158169998,1cyclictest743-21snmpd21:49:080
158169998,1cyclictest743-21snmpd19:57:280
158339986,2cyclictest743-21snmpd22:01:293
158289988,0cyclictest743-21snmpd23:14:552
158289988,0cyclictest741-21lldpd23:45:182
158289987,1cyclictest743-21snmpd23:37:142
158289987,1cyclictest743-21snmpd19:27:292
158289987,1cyclictest743-21snmpd00:17:572
158289987,1cyclictest522-21avahi-daemon21:13:052
158289987,1cyclictest22933-21cpuspeed_turbos20:45:122
158289986,2cyclictest743-21snmpd23:27:252
158289986,2cyclictest743-21snmpd22:35:472
158289986,2cyclictest743-21snmpd22:22:172
158289986,2cyclictest743-21snmpd00:38:162
158289986,2cyclictest717-21ntpd22:08:562
158289986,2cyclictest717-21ntpd20:36:032
158289986,2cyclictest717-21ntpd19:20:312
158289986,2cyclictest6208-21cat00:00:152
158289985,3cyclictest743-21snmpd00:07:212
158249988,0cyclictest743-21snmpd23:21:231
158249988,0cyclictest743-21snmpd22:13:171
158249988,0cyclictest743-21snmpd20:04:121
158249988,0cyclictest743-21snmpd19:13:051
158249988,0cyclictest741-21lldpd22:36:091
158249988,0cyclictest741-21lldpd20:25:291
158249988,0cyclictest741-21lldpd20:23:391
158249987,1cyclictest28868-21ntp_kernel_err19:40:161
158249986,2cyclictest18325-21cat00:30:151
158169988,0cyclictest743-21snmpd20:35:050
158169988,0cyclictest741-21lldpd21:55:400
158169988,0cyclictest741-21lldpd21:11:000
158169988,0cyclictest741-21lldpd20:30:410
158169988,0cyclictest741-21lldpd00:18:060
158169987,1cyclictest743-21snmpd23:27:070
158169987,1cyclictest743-21snmpd22:50:310
158169987,1cyclictest743-21snmpd22:15:060
158169987,1cyclictest743-21snmpd20:44:480
158169987,1cyclictest743-21snmpd20:27:410
158169987,1cyclictest743-21snmpd19:53:490
158169987,1cyclictest743-21snmpd00:36:070
158169987,1cyclictest741-21lldpd21:33:480
158169987,1cyclictest741-21lldpd21:21:350
158169987,1cyclictest522-21avahi-daemon21:44:370
158169986,2cyclictest743-21snmpd21:15:100
158169986,2cyclictest743-21snmpd20:49:210
158169986,2cyclictest743-21snmpd19:42:010
158169986,2cyclictest743-21snmpd00:34:480
158339977,0cyclictest65850irq/126-lan22:05:113
158339976,1cyclictest743-21snmpd23:33:503
158289977,0cyclictest741-21lldpd22:44:562
158289976,1cyclictest743-21snmpd21:55:052
158289976,1cyclictest717-21ntpd23:51:572
158289976,1cyclictest717-21ntpd23:00:022
158289976,1cyclictest717-21ntpd21:16:012
158289976,1cyclictest717-21ntpd19:30:022
158289976,1cyclictest506-21systemd-resolve21:35:162
158289975,2cyclictest743-21snmpd23:40:552
158289975,2cyclictest743-21snmpd23:15:262
158289975,2cyclictest743-21snmpd21:20:242
158289975,2cyclictest743-21snmpd20:33:102
158289975,2cyclictest743-21snmpd20:09:292
158289975,2cyclictest717-21ntpd23:59:582
158289975,2cyclictest717-21ntpd22:10:252
158289975,2cyclictest717-21ntpd21:45:252
158289975,2cyclictest717-21ntpd20:15:302
158289975,2cyclictest14303-21cat00:20:142
158289974,2cyclictest2014-21cut22:30:172
158289973,3cyclictest244-20systemd-journal20:00:152
158249977,0cyclictest743-21snmpd23:46:181
158249977,0cyclictest743-21snmpd21:43:141
158249977,0cyclictest743-21snmpd19:32:501
158249977,0cyclictest743-21snmpd19:28:411
158249977,0cyclictest741-21lldpd22:41:401
158249977,0cyclictest741-21lldpd22:32:251
158249977,0cyclictest741-21lldpd22:26:481
158249976,1cyclictest743-21snmpd21:10:251
158249976,1cyclictest743-21snmpd20:18:101
158249976,1cyclictest743-21snmpd00:24:431
158249976,1cyclictest741-21lldpd22:19:131
158249976,1cyclictest522-21avahi-daemon23:12:181
158249976,1cyclictest522-21avahi-daemon22:53:031
158249976,0cyclictest743-21snmpd20:40:331
158249975,2cyclictest743-21snmpd23:18:351
158249975,2cyclictest743-21snmpd21:45:501
158249975,2cyclictest743-21snmpd20:32:491
158249975,2cyclictest743-21snmpd19:57:311
158249975,2cyclictest743-21snmpd19:22:271
158249975,2cyclictest743-21snmpd19:19:441
158249974,3cyclictest7608-21memory21:25:151
158169977,0cyclictest743-21snmpd00:03:020
158169976,1cyclictest743-21snmpd22:44:360
158169976,1cyclictest743-21snmpd22:22:210
158169976,1cyclictest743-21snmpd22:07:110
158169976,1cyclictest743-21snmpd00:23:250
158169976,1cyclictest741-21lldpd20:03:300
158169975,2cyclictest743-21snmpd00:14:210
158169973,3cyclictest8123-21ntpq22:45:170
158289966,0cyclictest741-21lldpd22:45:112
158289965,1cyclictest743-21snmpd22:29:472
158289965,1cyclictest743-21snmpd20:54:022
158289965,1cyclictest717-21ntpd22:57:592
158289965,1cyclictest717-21ntpd20:10:552
158289965,1cyclictest573-21in:imuxsock19:19:582
158289965,1cyclictest573-21in:imuxsock00:14:492
158289964,2cyclictest743-21snmpd00:32:122
158289964,2cyclictest717-21ntpd21:27:032
158289962,3cyclictest16709-21ntp_192.168.11419:10:152
158249966,0cyclictest743-21snmpd23:05:011
158249966,0cyclictest743-21snmpd21:22:241
158249966,0cyclictest743-21snmpd00:26:401
158249965,1cyclictest743-21snmpd20:36:081
158249965,1cyclictest522-21avahi-daemon20:46:461
158249964,2cyclictest743-21snmpd22:04:441
158249964,2cyclictest743-21snmpd21:33:341
158249964,2cyclictest743-21snmpd00:01:411
158249962,3cyclictest244-20systemd-journal22:47:111
158249962,3cyclictest2058-21ntpq23:50:181
158169966,0cyclictest522-21avahi-daemon20:18:310
158169966,0cyclictest15851-21gltestperf23:05:150
158169965,1cyclictest743-21snmpd22:26:500
158169965,1cyclictest743-21snmpd22:14:530
158169965,1cyclictest743-21snmpd20:54:140
158169965,1cyclictest32528-21nvmesmart_nvme023:45:180
158169965,1cyclictest22154-21cpuspeed_turbos19:25:110
158169965,1cyclictest13770-21gltestperf23:00:150
158169965,1cyclictest12564-21fschecks_time20:20:150
158169965,1cyclictest12099-21needreboot22:55:140
158169964,2cyclictest743-21snmpd00:06:180
158169963,3cyclictest9055-21ntp_kernel_pll_20:10:160
158169963,3cyclictest743-21snmpd21:08:390
158169963,3cyclictest1637-21fw_conntrack22:30:150
158169962,4cyclictest557-21NetworkManager23:10:340
158289955,0cyclictest743-21snmpd20:41:332
158289955,0cyclictest741-21lldpd19:55:242
158289955,0cyclictest522-21avahi-daemon19:50:122
158289955,0cyclictest23304-21cron23:25:002
158289954,1cyclictest15807-21cyclictest23:05:152
158289954,1cyclictest11188-21dump-pmu-power22:55:002
158289952,3cyclictest13675-21memory21:40:152
158289952,2cyclictest28962-21sed22:15:222
158289952,2cyclictest13993-21seq20:24:042
158289951,3cyclictest32686-21sed21:05:222
158289951,3cyclictest30328-21diskstats19:45:132
158289951,3cyclictest17123-21sed00:25:202
158289950,4cyclictest28439-21fw_forwarded_lo19:40:132
158289950,4cyclictest15059-21ntpq20:25:162
158249955,0cyclictest743-21snmpd23:55:171
158249955,0cyclictest743-21snmpd23:36:111
158249955,0cyclictest743-21snmpd20:55:061
158249955,0cyclictest522-21avahi-daemon21:15:051
158249954,1cyclictest25095-21fschecks_count20:50:121
158249953,2cyclictest743-21snmpd22:57:061
158249953,2cyclictest743-21snmpd21:54:401
158249953,2cyclictest743-21snmpd20:14:201
158249953,2cyclictest557-21NetworkManager23:43:041
158249953,2cyclictest20899-21sshd21:59:561
158249952,3cyclictest557-21NetworkManager21:03:351
158249952,3cyclictest23575-21apt-get23:25:111
158249952,2cyclictest244-20systemd-journal00:37:061
158249951,3cyclictest27462-21users19:35:211
158249951,3cyclictest14029-21memory23:00:171
158249951,3cyclictest13015-21sed00:15:211
158249950,5cyclictest557-21NetworkManager19:49:271
158169955,0cyclictest743-21snmpd23:51:300
158169955,0cyclictest522-21avahi-daemon21:52:410
158169954,1cyclictest4066-21ntpq22:35:140
158169954,1cyclictest21279-21cpuspeed_turbos22:00:120
158169953,2cyclictest743-21snmpd20:08:310
158169953,2cyclictest743-21snmpd19:32:410
158169953,2cyclictest717-21ntpd19:20:170
158169953,2cyclictest557-21NetworkManager21:35:120
158169952,3cyclictest557-21NetworkManager23:33:450
158169952,2cyclictest7877-21ntpq21:25:160
158169952,2cyclictest30035-21grep21:00:210
158169952,2cyclictest22079-21sed23:20:160
158169952,2cyclictest19805-21cut23:15:140
158169951,3cyclictest28541-21pmu-power23:35:180
158169950,5cyclictest557-21NetworkManager23:58:370
158169950,4cyclictest18881-21ntpq19:15:190
158169950,3cyclictest30159-21apt-get19:45:120
158289943,1cyclictest717-21ntpd19:35:112
158289942,2cyclictest29497-21sed21:00:152
158289941,3cyclictest743-21snmpd23:30:112
158289941,2cyclictest9446-21grep21:30:142
158289941,2cyclictest21670-21kernelversion22:00:152
158289941,2cyclictest18299-21wc21:50:212
158249943,1cyclictest16281-21kworker/1:2+events20:05:021
158249942,2cyclictest557-21NetworkManager22:20:021
158249942,2cyclictest557-21NetworkManager19:50:201
158249941,2cyclictest31772-21basename21:05:151
158249941,2cyclictest26397-21modprobe23:30:161
158249941,2cyclictest11793-21gcc21:35:161
158249941,2cyclictest10191-21expr00:10:141
158249940,4cyclictest8561-21ntpq00:05:171
158249940,3cyclictest23375-21df22:05:111
158169944,0cyclictest573-21in:imuxsock19:10:240
158169943,1cyclictest26093-21acpi19:35:120
158169941,2cyclictest26962-21wc20:55:110
158169940,3cyclictest15853-21/usr/sbin/munin00:25:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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