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2026-06-29 - 09:18

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 all highest latencies:
System rack8slot6s.osadl.org (updated Mon Jun 29, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26239991918,1cyclictest65850irq/126-lan20:40:140
26239991918,1cyclictest65850irq/126-lan00:25:120
26239991918,1cyclictest65850irq/126-lan00:13:150
26239991817,1cyclictest65850irq/126-lan22:22:430
26239991817,1cyclictest65850irq/126-lan19:30:120
26239991717,0cyclictest65850irq/126-lan22:50:110
26239991717,0cyclictest65850irq/126-lan21:35:210
26239991716,1cyclictest65850irq/126-lan21:10:120
26239991716,1cyclictest65850irq/126-lan20:20:170
26239991716,1cyclictest65850irq/126-lan20:15:000
26239991716,1cyclictest65850irq/126-lan19:54:390
26239991616,0cyclictest65850irq/126-lan23:15:200
26239991616,0cyclictest65850irq/126-lan23:12:040
26239991616,0cyclictest65850irq/126-lan21:47:390
26239991616,0cyclictest65850irq/126-lan21:25:160
26239991616,0cyclictest65850irq/126-lan21:20:180
26239991616,0cyclictest65850irq/126-lan21:00:130
26239991616,0cyclictest65850irq/126-lan19:20:120
26239991616,0cyclictest65850irq/126-lan19:15:100
26239991616,0cyclictest65850irq/126-lan00:38:380
26239991616,0cyclictest65850irq/126-lan00:15:140
26239991615,1cyclictest65850irq/126-lan23:45:140
26239991615,1cyclictest65850irq/126-lan20:07:400
26239991615,1cyclictest65850irq/126-lan19:25:190
26239991615,1cyclictest65850irq/126-lan19:12:250
26239991615,1cyclictest65850irq/126-lan00:05:160
26239991515,0cyclictest65850irq/126-lan23:57:390
26239991515,0cyclictest65850irq/126-lan23:40:190
26239991515,0cyclictest65850irq/126-lan22:55:130
26239991515,0cyclictest65850irq/126-lan20:13:390
26239991515,0cyclictest65850irq/126-lan19:45:160
26239991515,0cyclictest65850irq/126-lan19:35:130
26239991515,0cyclictest65850irq/126-lan00:20:120
26239991514,1cyclictest65850irq/126-lan23:20:200
26239991514,1cyclictest65850irq/126-lan20:50:130
26239991514,1cyclictest65850irq/126-lan00:03:030
26239991414,0cyclictest65850irq/126-lan23:04:290
26239991414,0cyclictest65850irq/126-lan22:27:110
26239991414,0cyclictest65850irq/126-lan22:01:380
26239991414,0cyclictest65850irq/126-lan21:55:110
26239991414,0cyclictest65850irq/126-lan20:45:120
26239991414,0cyclictest65850irq/126-lan20:00:200
26239991413,1cyclictest65850irq/126-lan23:25:190
26239991413,1cyclictest65850irq/126-lan22:40:160
26239991413,1cyclictest65850irq/126-lan22:30:390
26239991413,1cyclictest65850irq/126-lan22:15:210
26239991413,1cyclictest65850irq/126-lan21:40:130
26239991413,1cyclictest65850irq/126-lan21:15:150
26239991413,1cyclictest65850irq/126-lan20:25:170
26239991413,1cyclictest65850irq/126-lan19:55:190
26239991413,1cyclictest65850irq/126-lan00:30:120
26239991313,0cyclictest65850irq/126-lan23:52:180
26239991313,0cyclictest65850irq/126-lan20:35:020
26239991312,1cyclictest65850irq/126-lan23:36:370
26239991312,1cyclictest65850irq/126-lan22:35:150
26239991312,1cyclictest65850irq/126-lan22:10:140
26239991312,1cyclictest65850irq/126-lan21:30:160
26239991312,1cyclictest65850irq/126-lan20:30:160
26239991212,0cyclictest65850irq/126-lan23:05:130
26239991212,0cyclictest65850irq/126-lan21:50:210
26239991211,1cyclictest65850irq/126-lan20:55:130
26239991111,0cyclictest65850irq/126-lan23:33:370
26239991111,0cyclictest65850irq/126-lan19:40:120
262549998,1cyclictest743-21snmpd00:19:273
262499998,1cyclictest743-21snmpd21:46:062
262499998,1cyclictest743-21snmpd19:16:102
262499998,1cyclictest741-21lldpd20:04:072
262499998,1cyclictest741-21lldpd19:53:132
262459998,1cyclictest741-21lldpd23:34:101
262459998,1cyclictest741-21lldpd22:34:231
262459996,3cyclictest743-21snmpd00:00:301
262549988,0cyclictest743-21snmpd21:33:423
262549988,0cyclictest743-21snmpd19:27:103
262549988,0cyclictest741-21lldpd23:37:093
262549988,0cyclictest741-21lldpd23:14:123
262549988,0cyclictest741-21lldpd19:57:253
262549988,0cyclictest522-21avahi-daemon20:28:363
262549987,1cyclictest743-21snmpd20:03:123
262549986,2cyclictest743-21snmpd22:17:193
262549986,2cyclictest743-21snmpd21:53:083
262549986,2cyclictest743-21snmpd21:01:323
262549986,2cyclictest743-21snmpd20:30:373
262499988,0cyclictest743-21snmpd22:35:222
262499988,0cyclictest743-21snmpd19:45:382
262499988,0cyclictest741-21lldpd23:55:512
262499988,0cyclictest741-21lldpd19:42:232
262499988,0cyclictest741-21lldpd19:26:182
262499987,1cyclictest743-21snmpd22:40:042
262499987,1cyclictest741-21lldpd19:34:072
262499987,1cyclictest741-21lldpd19:24:042
262499987,1cyclictest522-21avahi-daemon23:27:392
262499987,1cyclictest506-21systemd-resolve20:45:142
262499986,2cyclictest743-21snmpd23:48:082
262499986,2cyclictest743-21snmpd21:23:442
262499986,2cyclictest743-21snmpd20:08:082
262459988,0cyclictest743-21snmpd23:58:221
262459988,0cyclictest741-21lldpd21:39:311
262459988,0cyclictest741-21lldpd00:20:281
262459988,0cyclictest741-21lldpd00:09:061
262459987,1cyclictest743-21snmpd22:50:411
262459987,1cyclictest743-21snmpd22:42:131
262459987,1cyclictest743-21snmpd21:41:291
262459986,2cyclictest743-21snmpd19:41:551
262459980,8cyclictest26451-21grep00:25:161
262399988,0cyclictest741-21lldpd22:06:540
262399987,1cyclictest65850irq/126-lan22:45:170
262549977,0cyclictest743-21snmpd21:12:013
262549977,0cyclictest741-21lldpd23:27:343
262549977,0cyclictest741-21lldpd22:38:123
262549977,0cyclictest741-21lldpd00:07:193
262549976,1cyclictest743-21snmpd23:59:223
262549976,1cyclictest743-21snmpd23:49:593
262549976,1cyclictest743-21snmpd23:01:283
262549976,1cyclictest743-21snmpd22:12:513
262549976,1cyclictest743-21snmpd20:47:403
262549976,1cyclictest741-21lldpd22:28:153
262549976,1cyclictest30484-21needreboot00:35:183
262549975,2cyclictest743-21snmpd23:51:063
262549975,2cyclictest743-21snmpd22:34:463
262549975,2cyclictest743-21snmpd22:06:093
262549975,2cyclictest743-21snmpd00:14:523
262549975,2cyclictest21806-21cat22:55:133
262549972,4cyclictest743-21snmpd20:20:113
262499977,0cyclictest743-21snmpd23:33:232
262499977,0cyclictest743-21snmpd21:16:072
262499977,0cyclictest741-21lldpd23:00:592
262499977,0cyclictest741-21lldpd22:08:102
262499977,0cyclictest522-21avahi-daemon21:07:582
262499976,1cyclictest743-21snmpd20:37:182
262499976,1cyclictest743-21snmpd20:21:442
262499976,1cyclictest743-21snmpd00:07:192
262499976,1cyclictest741-21lldpd21:28:322
262499976,1cyclictest522-21avahi-daemon23:40:502
262499975,2cyclictest743-21snmpd22:22:222
262499975,2cyclictest743-21snmpd22:02:322
262499975,2cyclictest743-21snmpd00:30:222
262499975,2cyclictest743-21snmpd00:22:482
262499973,3cyclictest5389-21ntp_states19:35:182
262499972,5cyclictest557-21NetworkManager00:38:302
262499972,4cyclictest27943-21ntp_states21:50:162
262459977,0cyclictest743-21snmpd23:40:451
262459977,0cyclictest743-21snmpd22:55:371
262459977,0cyclictest743-21snmpd21:15:371
262459977,0cyclictest743-21snmpd21:03:551
262459977,0cyclictest741-21lldpd23:17:481
262459977,0cyclictest741-21lldpd19:56:271
262459977,0cyclictest741-21lldpd19:39:511
262459977,0cyclictest741-21lldpd00:19:441
262459977,0cyclictest522-21avahi-daemon00:15:001
262459976,1cyclictest743-21snmpd23:51:441
262459976,1cyclictest743-21snmpd23:14:201
262459976,1cyclictest522-21avahi-daemon20:50:241
262459975,2cyclictest743-21snmpd22:16:031
262459975,2cyclictest743-21snmpd20:03:531
262399977,0cyclictest65850irq/126-lan21:05:130
262549966,0cyclictest743-21snmpd22:02:513
262549966,0cyclictest741-21lldpd20:35:133
262549965,1cyclictest743-21snmpd21:46:483
262549965,1cyclictest743-21snmpd19:54:083
262549965,1cyclictest743-21snmpd19:23:123
262549965,1cyclictest741-21lldpd20:17:263
262549965,1cyclictest522-21avahi-daemon00:27:273
262549964,2cyclictest743-21snmpd21:40:473
262549964,2cyclictest743-21snmpd21:22:013
262549964,2cyclictest743-21snmpd19:45:203
262549963,2cyclictest15386-21grep00:00:113
262549962,3cyclictest3430-21grep23:30:133
262549962,3cyclictest31394-21df20:40:113
262549962,3cyclictest29974-21ntp_states21:55:173
262549962,3cyclictest25782-21sed23:05:143
262499966,0cyclictest743-21snmpd20:41:152
262499966,0cyclictest741-21lldpd23:18:022
262499966,0cyclictest741-21lldpd21:31:272
262499966,0cyclictest522-21avahi-daemon22:13:062
262499966,0cyclictest522-21avahi-daemon21:56:212
262499966,0cyclictest522-21avahi-daemon21:14:372
262499965,1cyclictest743-21snmpd23:22:182
262499965,1cyclictest18868-21fschecks_count20:10:142
262499965,1cyclictest15612-21gltestperf00:00:132
262499964,2cyclictest743-21snmpd20:59:032
262499964,2cyclictest743-21snmpd20:17:212
262499964,2cyclictest557-21NetworkManager19:10:132
262499962,3cyclictest23636-21memory21:40:162
262499960,3cyclictest200662ntp_192.168.11422:50:162
262459966,0cyclictest743-21snmpd21:07:351
262459966,0cyclictest743-21snmpd19:49:221
262459966,0cyclictest506-21systemd-resolve21:45:471
262459965,1cyclictest743-21snmpd22:26:361
262459965,1cyclictest743-21snmpd20:35:371
262459965,1cyclictest506-21systemd-resolve23:28:301
262459965,1cyclictest29195-21cpuspeed_turbos21:55:111
262459965,1cyclictest27177-21cut23:10:011
262459962,3cyclictest244-20systemd-journal20:05:291
262459962,3cyclictest18832-21seq22:46:481
262549955,0cyclictest743-21snmpd19:33:293
262549955,0cyclictest741-21lldpd20:13:193
262549955,0cyclictest522-21avahi-daemon22:46:383
262549954,1cyclictest17243-21fschecks_time21:25:133
262549954,1cyclictest0-21swapper/323:45:003
262549953,2cyclictest743-21snmpd19:36:583
262549952,3cyclictest557-21NetworkManager19:17:583
262549952,3cyclictest29965-21sed23:15:163
262549952,3cyclictest28734-21grep00:30:183
262549952,3cyclictest17814-21grep20:05:203
262549952,2cyclictest717-21ntpd21:15:193
262549952,2cyclictest6965-21sed22:20:013
262549952,2cyclictest244-20systemd-journal20:52:293
262549952,2cyclictest16135-21ld22:40:163
262499955,0cyclictest741-21lldpd22:30:272
262499955,0cyclictest741-21lldpd21:39:492
262499954,1cyclictest741-21lldpd21:03:502
262499953,2cyclictest26020-21ntpq20:25:172
262499952,3cyclictest557-21NetworkManager19:59:142
262499952,2cyclictest575-21rs:main2
262499952,2cyclictest25085-21cron00:25:012
262499952,2cyclictest12330-21sed23:50:212
262499952,2cyclictest10236-21ps22:25:192
262499950,5cyclictest20135-21ntpq00:10:192
262459955,0cyclictest743-21snmpd22:00:111
262459955,0cyclictest741-21lldpd00:39:131
262459955,0cyclictest522-21avahi-daemon21:33:511
262459955,0cyclictest522-21avahi-daemon19:33:141
262459954,1cyclictest522-21avahi-daemon20:56:571
262459954,1cyclictest0-21swapper/120:30:111
262459953,2cyclictest743-21snmpd23:46:141
262459953,2cyclictest743-21snmpd21:20:291
262459953,2cyclictest743-21snmpd20:27:421
262459952,3cyclictest743-21snmpd22:35:011
262459952,3cyclictest557-21NetworkManager20:40:001
262459952,3cyclictest23409-21awk23:00:121
262459952,2cyclictest575-21rs:main1
262459952,2cyclictest27942-21cat21:50:171
262459952,2cyclictest2786-21dpkg22:10:111
262459952,2cyclictest1302-21wc22:05:171
262459951,3cyclictest7290-21grep22:20:121
262459951,3cyclictest23987-21ntpq20:20:181
262459951,3cyclictest17863-21collect221:25:171
262459950,4cyclictest31203-21ntpq19:20:171
262459950,1cyclictest486-21irqstats19:25:141
262549943,1cyclictest9007-21cpuspeed_turbos21:05:123
262549943,1cyclictest0-21swapper/320:55:173
262549942,2cyclictest743-21snmpd00:20:073
262549942,2cyclictest31789-21gltestperf23:20:133
262549941,3cyclictest7828-21sed19:40:193
262549941,2cyclictest27683-21unixbench_multi19:10:213
262549940,3cyclictest21212-21diskstats21:35:123
262499942,2cyclictest21739-21cat00:15:142
262499941,2cyclictest3047-21forks20:50:142
262499941,2cyclictest28011-21sort23:10:152
262499941,2cyclictest26057-21grep23:05:152
262499941,2cyclictest22551-21wc22:55:192
262499941,2cyclictest18084-21grep22:45:152
262499940,3cyclictest5308-21/usr/sbin/munin23:35:152
262499940,3cyclictest5091-21fw_conntrack22:15:132
262459943,1cyclictest26502-21cpuspeed_turbos19:10:111
262459941,3cyclictest29208-21ntpq19:15:161
262459941,2cyclictest5650-21latency23:35:171
262459941,2cyclictest21013-21dpkg20:15:001
262459941,2cyclictest11422-21uname21:10:141
262459941,2cyclictest10623-21grep19:50:121
262459940,4cyclictest32316-21ntpq23:20:171
262459940,4cyclictest19513-21ntpq20:10:181
262459940,3cyclictest28289-21cut00:30:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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