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2026-03-21 - 10:43

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 Sat Mar 21, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29313991918,1cyclictest65850irq/126-lan00:10:141
29313991818,0cyclictest65850irq/126-lan19:58:341
29313991817,1cyclictest65850irq/126-lan23:00:001
29313991817,1cyclictest65850irq/126-lan20:45:201
29313991717,0cyclictest65850irq/126-lan23:55:161
29313991717,0cyclictest65850irq/126-lan22:15:171
29313991717,0cyclictest65850irq/126-lan21:46:521
29313991717,0cyclictest65850irq/126-lan21:40:171
29313991717,0cyclictest65850irq/126-lan21:22:461
29313991717,0cyclictest65850irq/126-lan20:35:141
29313991717,0cyclictest65850irq/126-lan19:44:451
29313991716,1cyclictest65850irq/126-lan23:49:441
29313991716,1cyclictest65850irq/126-lan22:30:201
29313991716,1cyclictest65850irq/126-lan19:35:121
29313991716,1cyclictest65850irq/126-lan19:10:151
29313991616,0cyclictest65850irq/126-lan23:25:121
29313991616,0cyclictest65850irq/126-lan22:45:141
29313991616,0cyclictest65850irq/126-lan22:35:111
29313991616,0cyclictest65850irq/126-lan21:15:111
29313991616,0cyclictest65850irq/126-lan20:50:161
29313991616,0cyclictest65850irq/126-lan20:05:221
29313991616,0cyclictest65850irq/126-lan19:34:451
29313991615,1cyclictest65850irq/126-lan23:40:121
29313991615,1cyclictest65850irq/126-lan21:05:161
29313991615,1cyclictest65850irq/126-lan20:59:591
29313991615,1cyclictest65850irq/126-lan20:20:131
29313991615,1cyclictest65850irq/126-lan00:03:581
29313991515,0cyclictest65850irq/126-lan23:15:121
29313991515,0cyclictest65850irq/126-lan22:50:151
29313991515,0cyclictest65850irq/126-lan21:50:191
29313991515,0cyclictest65850irq/126-lan20:00:161
29313991515,0cyclictest65850irq/126-lan00:15:131
29313991515,0cyclictest65850irq/126-lan00:08:441
29313991514,1cyclictest65850irq/126-lan23:05:161
29313991514,1cyclictest65850irq/126-lan22:05:161
29313991514,1cyclictest65850irq/126-lan20:55:171
29313991514,1cyclictest65850irq/126-lan20:30:101
29313991514,1cyclictest65850irq/126-lan20:25:121
29313991514,1cyclictest65850irq/126-lan19:20:101
29313991414,0cyclictest65850irq/126-lan22:25:211
29313991414,0cyclictest65850irq/126-lan22:00:151
29313991414,0cyclictest65850irq/126-lan00:39:041
29313991414,0cyclictest65850irq/126-lan00:25:211
29313991413,1cyclictest65850irq/126-lan21:25:131
29313991413,1cyclictest65850irq/126-lan21:10:121
29313991413,1cyclictest65850irq/126-lan19:50:151
29313991313,0cyclictest65850irq/126-lan23:35:201
29313991313,0cyclictest65850irq/126-lan20:10:151
29313991313,0cyclictest2595-21cat23:20:141
29313991312,1cyclictest65850irq/126-lan23:10:111
29313991312,1cyclictest65850irq/126-lan21:55:111
29313991312,1cyclictest65850irq/126-lan19:45:111
29313991212,0cyclictest65850irq/126-lan22:41:441
29313991211,1cyclictest65850irq/126-lan23:32:281
29313991211,1cyclictest65850irq/126-lan20:40:171
29313991211,1cyclictest65850irq/126-lan19:25:161
29313991111,0cyclictest65850irq/126-lan21:30:191
29313991111,0cyclictest65850irq/126-lan20:15:101
29313991110,1cyclictest65850irq/126-lan22:20:131
29313991110,1cyclictest65850irq/126-lan21:35:171
2931399109,1cyclictest65850irq/126-lan23:50:181
29313991010,0cyclictest65850irq/126-lan23:01:471
29313991010,0cyclictest65850irq/126-lan00:30:131
293229998,1cyclictest743-21snmpd23:39:093
293229998,1cyclictest741-21lldpd21:00:553
293189998,1cyclictest743-21snmpd22:48:132
293189998,1cyclictest743-21snmpd21:10:462
293189998,1cyclictest743-21snmpd19:13:452
293189998,1cyclictest506-21systemd-resolve20:28:492
293189998,1cyclictest31583-21cpuspeed_turbos19:15:122
293189996,3cyclictest743-21snmpd20:05:202
293139999,0cyclictest65850irq/126-lan22:10:121
293139999,0cyclictest65850irq/126-lan00:20:121
293229988,0cyclictest743-21snmpd21:48:263
293229988,0cyclictest741-21lldpd23:12:413
293229988,0cyclictest741-21lldpd23:03:593
293229988,0cyclictest741-21lldpd00:31:123
293229987,1cyclictest743-21snmpd22:52:433
293229987,1cyclictest743-21snmpd19:48:353
293229987,1cyclictest522-21avahi-daemon20:08:393
293229987,1cyclictest28735-21fschecks_time23:05:113
293229986,2cyclictest743-21snmpd23:52:123
293229986,2cyclictest743-21snmpd20:53:133
293229986,2cyclictest743-21snmpd19:25:093
293229986,2cyclictest743-21snmpd19:10:123
293229986,2cyclictest743-21snmpd00:29:393
293229986,2cyclictest743-21snmpd00:03:483
293229986,2cyclictest31841-21cat20:35:153
293229985,3cyclictest743-21snmpd22:08:093
293189988,0cyclictest743-21snmpd22:34:182
293189988,0cyclictest743-21snmpd21:41:502
293189988,0cyclictest743-21snmpd21:05:072
293189988,0cyclictest743-21snmpd00:19:422
293189988,0cyclictest741-21lldpd22:26:302
293189988,0cyclictest741-21lldpd21:35:132
293189988,0cyclictest741-21lldpd21:17:242
293189988,0cyclictest741-21lldpd00:05:332
293189987,1cyclictest743-21snmpd23:15:072
293189987,1cyclictest743-21snmpd19:59:172
293189987,1cyclictest741-21lldpd22:58:452
293189987,1cyclictest4233-21cpuspeed_turbos23:25:122
293189986,2cyclictest743-21snmpd20:34:392
293189986,2cyclictest30843-21cut23:10:112
293189986,2cyclictest26905-21cat23:00:132
293059987,1cyclictest743-21snmpd23:36:320
293059987,1cyclictest743-21snmpd22:49:010
293059987,1cyclictest743-21snmpd21:50:050
293059987,1cyclictest743-21snmpd20:17:350
293059987,1cyclictest743-21snmpd19:47:400
293059987,1cyclictest741-21lldpd23:19:390
293059987,1cyclictest506-21systemd-resolve19:29:470
293059986,2cyclictest743-21snmpd23:53:500
293059986,2cyclictest743-21snmpd19:39:230
293229977,0cyclictest743-21snmpd22:57:343
293229977,0cyclictest743-21snmpd22:38:303
293229977,0cyclictest743-21snmpd21:36:473
293229977,0cyclictest743-21snmpd20:12:443
293229977,0cyclictest741-21lldpd23:42:453
293229977,0cyclictest741-21lldpd23:32:073
293229977,0cyclictest741-21lldpd21:26:213
293229977,0cyclictest741-21lldpd21:23:273
293229977,0cyclictest741-21lldpd20:20:443
293229977,0cyclictest741-21lldpd20:00:583
293229976,1cyclictest743-21snmpd23:15:403
293229976,1cyclictest743-21snmpd22:43:133
293229976,1cyclictest743-21snmpd21:12:193
293229976,1cyclictest743-21snmpd21:06:463
293229976,1cyclictest743-21snmpd20:43:513
293229976,1cyclictest741-21lldpd22:48:563
293229975,2cyclictest743-21snmpd20:56:553
293229975,2cyclictest743-21snmpd20:25:363
293229975,2cyclictest743-21snmpd20:16:563
293229973,3cyclictest244-20systemd-journal19:50:193
293189977,0cyclictest743-21snmpd22:19:212
293189977,0cyclictest741-21lldpd20:44:572
293189976,1cyclictest743-21snmpd22:54:132
293189976,1cyclictest743-21snmpd21:53:082
293189976,1cyclictest743-21snmpd20:54:312
293189976,1cyclictest743-21snmpd19:54:142
293189976,1cyclictest743-21snmpd00:13:452
293189976,1cyclictest741-21lldpd23:23:372
293189976,1cyclictest522-21avahi-daemon00:36:552
293189976,1cyclictest32248-21cpuspeed_turbos21:55:112
293189975,2cyclictest743-21snmpd23:56:022
293189975,2cyclictest743-21snmpd22:24:092
293189975,2cyclictest743-21snmpd00:34:372
293189975,2cyclictest743-21snmpd00:27:332
293139976,1cyclictest31640-21cpuspeed_turbos19:15:121
293059977,0cyclictest743-21snmpd23:31:050
293059977,0cyclictest743-21snmpd22:44:340
293059977,0cyclictest743-21snmpd20:02:070
293059977,0cyclictest743-21snmpd00:12:280
293059977,0cyclictest743-21snmpd00:07:570
293059977,0cyclictest741-21lldpd22:32:580
293059977,0cyclictest741-21lldpd22:27:100
293059977,0cyclictest741-21lldpd22:17:200
293059977,0cyclictest741-21lldpd22:01:100
293059977,0cyclictest741-21lldpd21:29:210
293059977,0cyclictest741-21lldpd21:06:110
293059977,0cyclictest741-21lldpd20:58:330
293059977,0cyclictest741-21lldpd00:24:540
293059977,0cyclictest522-21avahi-daemon22:50:350
293059975,2cyclictest743-21snmpd23:47:380
293059975,2cyclictest743-21snmpd23:40:560
293059975,2cyclictest743-21snmpd23:23:530
293059975,2cyclictest743-21snmpd22:58:370
293059975,2cyclictest743-21snmpd21:21:010
293059975,2cyclictest743-21snmpd21:00:580
293059975,2cyclictest743-21snmpd20:49:090
293059975,2cyclictest743-21snmpd00:25:180
293059975,2cyclictest743-21snmpd00:16:270
293059973,3cyclictest16224-21fw_forwarded_lo22:35:130
293229966,0cyclictest741-21lldpd22:02:573
293229965,1cyclictest741-21lldpd19:36:463
293229963,3cyclictest743-21snmpd19:57:443
293229963,3cyclictest26718-21fw_packets00:20:123
293229963,2cyclictest575-21rs:main3
293229962,3cyclictest32559-21cat00:35:003
293229962,3cyclictest14616-21ntp_192.168.11422:30:143
293189966,0cyclictest741-21lldpd21:33:142
293189966,0cyclictest522-21avahi-daemon22:04:252
293189965,1cyclictest743-21snmpd22:07:092
293189965,1cyclictest743-21snmpd21:04:072
293189965,1cyclictest743-21snmpd20:58:132
293189965,1cyclictest743-21snmpd20:22:032
293189965,1cyclictest743-21snmpd20:10:382
293189965,1cyclictest741-21lldpd00:02:112
293189964,2cyclictest743-21snmpd22:37:272
293189964,2cyclictest743-21snmpd19:25:302
293189964,2cyclictest18147-21ntp_states20:00:172
293189964,2cyclictest12700-21cat23:45:142
293189963,2cyclictest244-20systemd-journal19:40:032
293189962,3cyclictest27230-21ntpq00:20:152
293189961,4cyclictest244-20systemd-journal20:49:212
293059966,0cyclictest743-21snmpd21:40:200
293059966,0cyclictest743-21snmpd21:33:410
293059966,0cyclictest741-21lldpd23:09:450
293059966,0cyclictest741-21lldpd23:00:130
293059966,0cyclictest741-21lldpd20:40:030
293059966,0cyclictest741-21lldpd20:28:460
293059965,1cyclictest9968-21cpuspeed_turbos22:20:110
293059965,1cyclictest5917-21cpuspeed_turbos22:10:120
293059965,1cyclictest30117-21needreboot19:10:130
293059965,1cyclictest13873-21cut21:10:120
293059964,2cyclictest9674-21cat19:40:140
293059962,3cyclictest16114-21ntp_states19:55:180
293229955,0cyclictest0-21swapper/321:40:133
293229954,1cyclictest6623-21ntpq22:10:173
293229954,1cyclictest522-21avahi-daemon00:19:073
293229954,1cyclictest20744-21gltestperf00:05:133
293229954,1cyclictest0-21swapper/323:20:173
293229954,1cyclictest0-21swapper/321:55:003
293229954,1cyclictest0-21swapper/319:15:173
293229953,2cyclictest743-21snmpd23:45:293
293229953,2cyclictest743-21snmpd20:45:363
293229953,2cyclictest32602-21cat21:55:133
293229952,3cyclictest1312-21df19:20:113
293229952,2cyclictest575-21rs:main3
293229951,3cyclictest8021-21diskstats22:15:113
293229950,4cyclictest16310-21ntpq21:15:153
293189955,0cyclictest743-21snmpd23:06:382
293189955,0cyclictest741-21lldpd19:35:162
293189955,0cyclictest0-21swapper/221:45:122
293189954,1cyclictest743-21snmpd23:43:262
293189954,1cyclictest743-21snmpd22:41:012
293189953,2cyclictest743-21snmpd21:21:522
293189953,2cyclictest717-21ntpd20:35:172
293189952,3cyclictest743-21snmpd22:10:242
293189952,2cyclictest6171-21apt23:30:112
293189950,4cyclictest1966-21ntpq19:20:162
293189950,4cyclictest12030-21ntpq19:45:162
293059954,1cyclictest743-21snmpd20:08:170
293059953,2cyclictest743-21snmpd20:34:480
293059952,3cyclictest30900-21cat00:30:150
293059952,2cyclictest6176-21cat20:50:190
293059952,2cyclictest28436-21cat21:45:110
293059952,2cyclictest24736-21sed21:35:220
293059951,3cyclictest5342-21df_inode19:30:120
293059951,3cyclictest322-21dpkg00:35:000
293059951,3cyclictest31578-21df20:35:130
293059951,3cyclictest30783-21fw_forwarded_lo23:10:110
293229941,2cyclictest12082-21forks22:25:133
293229940,4cyclictest9381-21cut19:40:113
293229940,3cyclictest4161-21apt-get23:25:113
293229940,3cyclictest21657-21apt-get21:30:103
293229940,3cyclictest10600-21ntpq22:20:153
293189944,0cyclictest743-21snmpd20:15:022
293189941,3cyclictest743-21snmpd21:25:112
293189940,4cyclictest14282-21apt-get23:50:122
293189940,3cyclictest8393-21diskstats23:35:122
293189940,3cyclictest5989-21ntpq19:30:162
293059944,0cyclictest0-21swapper/021:15:150
293059941,2cyclictest4533-21sed23:25:130
293059941,2cyclictest32675-21ls21:55:140
293059940,4cyclictest4556-21ntpq22:05:160
293059940,4cyclictest17005-21ntpq23:55:160
293059940,4cyclictest1450-21fw_forwarded_lo19:20:120
293059940,3cyclictest32065-21memory19:15:150
293059940,3cyclictest26094-21ntpq20:20:160
293059940,3cyclictest21603-21fw_conntrack20:10:130
293059940,3cyclictest18518-21diskstats00:00:110
293059940,3cyclictest13420-21diskstats19:50:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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