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2026-06-12 - 09:12

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 Fri Jun 12, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20627991918,1cyclictest65850irq/126-lan22:40:133
20627991918,1cyclictest65850irq/126-lan20:35:133
20627991818,0cyclictest65850irq/126-lan22:38:503
20627991818,0cyclictest65850irq/126-lan22:21:303
20627991818,0cyclictest65850irq/126-lan20:51:213
20627991818,0cyclictest65850irq/126-lan20:51:203
20627991818,0cyclictest65850irq/126-lan19:54:563
20627991817,1cyclictest65850irq/126-lan23:30:173
20627991817,1cyclictest65850irq/126-lan21:30:203
20618991817,1cyclictest65850irq/126-lan00:35:141
20618991817,1cyclictest65850irq/126-lan00:30:151
20627991717,0cyclictest65850irq/126-lan22:15:203
20627991717,0cyclictest65850irq/126-lan21:45:103
20627991717,0cyclictest65850irq/126-lan21:28:193
20627991716,1cyclictest65850irq/126-lan23:35:153
20627991716,1cyclictest65850irq/126-lan22:10:173
20627991716,1cyclictest65850irq/126-lan21:05:203
20627991716,1cyclictest65850irq/126-lan19:15:203
20627991616,0cyclictest65850irq/126-lan21:19:253
20627991616,0cyclictest65850irq/126-lan20:55:183
20627991616,0cyclictest65850irq/126-lan20:25:123
20627991616,0cyclictest65850irq/126-lan20:00:203
20627991615,1cyclictest65850irq/126-lan23:25:203
20627991615,1cyclictest65850irq/126-lan23:03:243
20627991615,1cyclictest65850irq/126-lan22:55:123
20627991615,1cyclictest65850irq/126-lan22:32:293
20627991615,1cyclictest65850irq/126-lan21:00:173
20627991615,1cyclictest65850irq/126-lan20:40:113
20627991615,1cyclictest65850irq/126-lan19:55:133
20627991615,1cyclictest65850irq/126-lan19:45:163
20618991616,0cyclictest65850irq/126-lan00:07:241
20627991515,0cyclictest65850irq/126-lan20:15:143
20627991515,0cyclictest65850irq/126-lan19:20:193
20627991515,0cyclictest65850irq/126-lan19:11:203
20627991514,1cyclictest65850irq/126-lan23:50:173
20627991514,1cyclictest65850irq/126-lan23:15:153
20627991514,1cyclictest65850irq/126-lan22:50:143
20627991514,1cyclictest65850irq/126-lan21:15:003
20627991514,1cyclictest65850irq/126-lan20:20:163
20627991514,1cyclictest65850irq/126-lan19:40:193
20627991414,0cyclictest65850irq/126-lan23:05:153
20627991414,0cyclictest65850irq/126-lan22:01:193
20627991414,0cyclictest65850irq/126-lan21:50:213
20627991414,0cyclictest65850irq/126-lan21:23:503
20627991414,0cyclictest65850irq/126-lan20:14:473
20627991413,1cyclictest65850irq/126-lan23:59:593
20627991413,1cyclictest65850irq/126-lan23:40:233
20627991413,1cyclictest65850irq/126-lan21:35:153
20627991413,1cyclictest65850irq/126-lan20:05:173
20618991413,1cyclictest65850irq/126-lan00:20:141
20627991313,0cyclictest65850irq/126-lan22:05:223
20627991313,0cyclictest65850irq/126-lan19:27:203
20627991312,1cyclictest65850irq/126-lan23:45:133
20627991312,1cyclictest65850irq/126-lan22:45:223
20627991312,1cyclictest65850irq/126-lan21:55:143
20618991313,0cyclictest65850irq/126-lan00:10:161
20627991211,1cyclictest65850irq/126-lan23:55:143
20627991211,1cyclictest65850irq/126-lan23:20:133
20627991211,1cyclictest65850irq/126-lan21:40:163
20618991212,0cyclictest65850irq/126-lan00:15:151
20627991111,0cyclictest65850irq/126-lan23:10:123
20627991111,0cyclictest65850irq/126-lan20:32:073
20627991110,1cyclictest65850irq/126-lan19:35:173
20618991110,1cyclictest65850irq/126-lan00:25:161
206239998,1cyclictest741-21lldpd22:22:582
206189998,1cyclictest743-21snmpd19:39:231
206189998,1cyclictest741-21lldpd21:10:221
206099998,1cyclictest743-21snmpd21:22:240
206099998,1cyclictest743-21snmpd20:01:210
206099998,1cyclictest743-21snmpd00:24:250
206279986,2cyclictest743-21snmpd00:29:533
206279986,2cyclictest717-21ntpd22:25:103
206279986,2cyclictest717-21ntpd20:46:013
206279986,2cyclictest717-21ntpd00:16:113
206239988,0cyclictest743-21snmpd23:12:472
206239988,0cyclictest743-21snmpd22:48:112
206239988,0cyclictest743-21snmpd22:44:022
206239988,0cyclictest743-21snmpd22:15:192
206239988,0cyclictest743-21snmpd21:26:292
206239988,0cyclictest743-21snmpd20:28:402
206239988,0cyclictest741-21lldpd23:34:082
206239988,0cyclictest741-21lldpd22:54:452
206239988,0cyclictest741-21lldpd21:05:092
206239988,0cyclictest741-21lldpd21:04:042
206239987,1cyclictest743-21snmpd21:49:542
206239986,2cyclictest743-21snmpd23:43:222
206239986,2cyclictest743-21snmpd21:18:472
206239986,2cyclictest743-21snmpd20:31:462
206239986,2cyclictest743-21snmpd00:36:232
206239986,2cyclictest743-21snmpd00:15:252
206239985,3cyclictest743-21snmpd22:26:282
206189988,0cyclictest743-21snmpd21:01:231
206189988,0cyclictest743-21snmpd19:56:241
206189988,0cyclictest741-21lldpd22:07:021
206189988,0cyclictest741-21lldpd21:56:531
206189988,0cyclictest741-21lldpd19:45:331
206189987,1cyclictest743-21snmpd21:53:221
206189987,1cyclictest743-21snmpd19:26:261
206189987,1cyclictest65850irq/126-lan00:02:421
206189987,1cyclictest522-21avahi-daemon21:05:121
206189986,2cyclictest743-21snmpd21:46:331
206099988,0cyclictest743-21snmpd00:30:230
206099988,0cyclictest741-21lldpd23:15:460
206099988,0cyclictest741-21lldpd20:27:490
206099988,0cyclictest741-21lldpd19:40:410
206099987,1cyclictest743-21snmpd23:05:050
206099987,1cyclictest743-21snmpd22:26:110
206099987,1cyclictest743-21snmpd20:15:510
206099987,1cyclictest743-21snmpd19:27:300
206099987,1cyclictest743-21snmpd00:10:380
206099987,1cyclictest743-21snmpd00:07:070
206099987,1cyclictest741-21lldpd21:47:150
206099986,2cyclictest743-21snmpd22:56:090
206099986,2cyclictest743-21snmpd22:13:430
206099986,2cyclictest743-21snmpd21:42:510
206099986,2cyclictest743-21snmpd00:26:350
206279976,1cyclictest12325-21fschecks_time00:05:143
206239977,0cyclictest743-21snmpd22:32:222
206239977,0cyclictest743-21snmpd20:50:172
206239977,0cyclictest743-21snmpd20:50:162
206239977,0cyclictest743-21snmpd20:22:462
206239977,0cyclictest743-21snmpd20:04:512
206239977,0cyclictest743-21snmpd00:29:292
206239977,0cyclictest743-21snmpd00:05:082
206239977,0cyclictest741-21lldpd23:00:422
206239977,0cyclictest741-21lldpd20:18:122
206239976,1cyclictest743-21snmpd22:38:532
206239976,1cyclictest743-21snmpd20:58:192
206239976,1cyclictest741-21lldpd21:53:062
206239975,2cyclictest743-21snmpd23:08:272
206239975,2cyclictest743-21snmpd22:12:282
206239975,2cyclictest743-21snmpd21:20:392
206239975,2cyclictest743-21snmpd19:52:252
206239975,2cyclictest743-21snmpd19:21:122
206239975,2cyclictest31321-21cat19:35:152
206239974,3cyclictest18311-21df00:20:122
206189977,0cyclictest743-21snmpd23:50:131
206189977,0cyclictest743-21snmpd22:37:471
206189977,0cyclictest743-21snmpd22:23:111
206189977,0cyclictest743-21snmpd22:01:061
206189977,0cyclictest743-21snmpd19:52:031
206189977,0cyclictest743-21snmpd19:40:141
206189977,0cyclictest741-21lldpd19:34:271
206189976,1cyclictest743-21snmpd23:00:471
206189976,1cyclictest741-21lldpd20:26:211
206189976,1cyclictest11481-21cpuspeed_turbos21:25:121
206189975,2cyclictest743-21snmpd21:40:211
206189975,2cyclictest743-21snmpd20:46:101
206189975,2cyclictest743-21snmpd20:21:421
206189975,2cyclictest743-21snmpd20:12:271
206189973,3cyclictest32073-21df23:35:111
206189973,3cyclictest14590-21ntp_states22:50:191
206099977,0cyclictest743-21snmpd22:36:190
206099977,0cyclictest743-21snmpd21:56:390
206099977,0cyclictest743-21snmpd20:30:130
206099977,0cyclictest741-21lldpd23:23:260
206099977,0cyclictest741-21lldpd22:42:010
206099977,0cyclictest741-21lldpd20:14:090
206099977,0cyclictest522-21avahi-daemon23:58:150
206099976,1cyclictest743-21snmpd22:46:230
206099976,1cyclictest743-21snmpd21:16:530
206099976,1cyclictest743-21snmpd20:40:110
206099976,1cyclictest741-21lldpd21:03:400
206099976,1cyclictest741-21lldpd20:36:380
206099976,1cyclictest522-21avahi-daemon22:53:570
206099976,1cyclictest23245-21cat19:15:130
206099975,2cyclictest743-21snmpd23:53:430
206099975,2cyclictest743-21snmpd22:16:220
206099975,2cyclictest743-21snmpd21:09:180
206099975,2cyclictest743-21snmpd19:50:470
206099975,2cyclictest743-21snmpd19:35:200
206099975,2cyclictest743-21snmpd19:30:110
206099975,2cyclictest743-21snmpd00:15:340
206099975,2cyclictest32266-21cut23:35:130
206239966,0cyclictest743-21snmpd23:16:242
206239966,0cyclictest743-21snmpd21:57:542
206239966,0cyclictest741-21lldpd23:46:592
206239966,0cyclictest741-21lldpd19:33:332
206239966,0cyclictest741-21lldpd19:10:012
206239966,0cyclictest522-21avahi-daemon20:35:322
206239966,0cyclictest506-21systemd-resolve23:27:532
206239965,1cyclictest743-21snmpd23:36:582
206239965,1cyclictest743-21snmpd21:10:472
206239965,1cyclictest743-21snmpd00:04:132
206239965,1cyclictest522-21avahi-daemon21:31:522
206239964,2cyclictest743-21snmpd23:56:352
206239964,2cyclictest743-21snmpd23:21:222
206239964,2cyclictest743-21snmpd22:06:522
206239964,2cyclictest743-21snmpd20:43:342
206239964,2cyclictest743-21snmpd19:47:472
206239963,3cyclictest557-21NetworkManager19:55:102
206239963,3cyclictest14105-21apt-get00:10:122
206189966,0cyclictest743-21snmpd20:01:271
206189966,0cyclictest741-21lldpd20:32:241
206189965,1cyclictest743-21snmpd23:05:541
206189965,1cyclictest743-21snmpd19:23:201
206189965,1cyclictest741-21lldpd22:55:371
206189965,1cyclictest741-21lldpd22:34:001
206189965,1cyclictest27618-21cron23:25:001
206189965,1cyclictest21424-21needreboot19:10:141
206189964,2cyclictest743-21snmpd23:43:551
206189964,2cyclictest743-21snmpd22:41:411
206189964,2cyclictest743-21snmpd20:37:101
206189963,2cyclictest10673-21sed21:20:221
206189962,3cyclictest22817-21apt-get19:15:111
206099966,0cyclictest743-21snmpd23:42:310
206099966,0cyclictest743-21snmpd22:23:440
206099966,0cyclictest743-21snmpd22:07:460
206099966,0cyclictest743-21snmpd19:48:230
206099966,0cyclictest741-21lldpd23:48:010
206099966,0cyclictest741-21lldpd21:28:570
206099966,0cyclictest741-21lldpd20:47:160
206099966,0cyclictest741-21lldpd20:22:320
206099965,1cyclictest743-21snmpd23:25:220
206099965,1cyclictest522-21avahi-daemon22:02:480
206099965,1cyclictest25953-21turbostat00:39:590
206099963,2cyclictest244-20systemd-journal20:05:160
206099962,4cyclictest557-21NetworkManager23:01:210
206279954,1cyclictest65850irq/126-lan19:30:113
206279952,2cyclictest14940-21uname00:10:173
206239954,1cyclictest743-21snmpd21:40:302
206239954,1cyclictest743-21snmpd20:07:282
206239954,1cyclictest6241-21needreboot23:50:152
206239953,2cyclictest743-21snmpd19:41:352
206239952,2cyclictest575-21rs:main2
206239952,2cyclictest26388-21ntpq22:00:172
206239952,2cyclictest16282-21ld21:35:192
206239951,3cyclictest27021-21df19:25:102
206239951,3cyclictest23662-21ntpq19:15:172
206239950,3cyclictest28934-21latency_hist20:50:002
206189955,0cyclictest741-21lldpd22:29:581
206189955,0cyclictest741-21lldpd21:38:561
206189954,1cyclictest24099-21fschecks_time23:15:131
206189954,1cyclictest14712-21tail21:30:201
206189953,2cyclictest743-21snmpd20:08:061
206189953,2cyclictest22602-21awk23:10:161
206189952,2cyclictest575-21rs:main1
206189952,2cyclictest244-20systemd-journal20:44:301
206189951,3cyclictest29260-21grep20:50:121
206189951,3cyclictest29260-21grep20:50:111
206189950,4cyclictest28606-21ntpq23:25:161
206189950,4cyclictest12591-21ntpq22:45:181
206099955,0cyclictest743-21snmpd23:30:480
206099955,0cyclictest743-21snmpd21:50:250
206099954,1cyclictest743-21snmpd19:55:580
206099954,1cyclictest743-21snmpd19:11:220
206099954,1cyclictest741-21lldpd00:04:290
206099953,2cyclictest743-21snmpd20:55:100
206099953,0cyclictest0-21swapper/021:35:170
206099952,3cyclictest5216-21fw_packets21:10:140
206099952,2cyclictest575-21rs:main0
206099952,2cyclictest29783-21sed20:50:150
206099952,2cyclictest29783-21sed20:50:140
206099952,2cyclictest25967-21grep19:20:200
206099952,2cyclictest244-20systemd-journal21:34:260
206279944,0cyclictest743-21snmpd00:30:073
206279940,3cyclictest24173-21/usr/sbin/munin00:35:143
206279940,3cyclictest18313-21df00:20:123
206239942,2cyclictest13495-21cut20:10:162
206239941,2cyclictest16106-21gltestperf22:55:142
206189942,2cyclictest743-21snmpd23:46:481
206189942,2cyclictest743-21snmpd23:30:061
206189941,2cyclictest7552-21date23:55:001
206189941,2cyclictest7316-21dpkg21:15:001
206189941,2cyclictest32074-21ls22:15:121
206189941,2cyclictest15775-21ld20:15:151
206189940,3cyclictest31909-21ntp_192.168.11420:55:141
206099942,2cyclictest743-21snmpd22:30:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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