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2026-07-13 - 12:14

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 highest latencies:
System rack8slot6s.osadl.org (updated Mon Jul 13, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23186993434,0cyclictest14590-21fwupd20:05:413
23181991818,0cyclictest743-21snmpd19:50:312
23172991817,1cyclictest65850irq/126-lan22:00:160
23172991817,1cyclictest65850irq/126-lan19:30:010
23181991717,0cyclictest743-21snmpd22:58:282
23181991717,0cyclictest743-21snmpd19:38:182
23181991717,0cyclictest743-21snmpd00:20:162
23181991717,0cyclictest743-21snmpd00:08:582
23181991716,1cyclictest743-21snmpd23:41:182
23172991717,0cyclictest65850irq/126-lan23:55:220
23172991717,0cyclictest65850irq/126-lan23:05:190
23172991717,0cyclictest65850irq/126-lan22:27:090
23172991717,0cyclictest65850irq/126-lan22:10:130
23172991717,0cyclictest65850irq/126-lan21:00:180
23172991717,0cyclictest65850irq/126-lan00:30:160
23172991717,0cyclictest65850irq/126-lan00:20:180
23172991716,1cyclictest65850irq/126-lan23:00:150
23172991716,1cyclictest65850irq/126-lan22:05:180
23172991716,1cyclictest65850irq/126-lan21:05:220
23172991716,1cyclictest65850irq/126-lan20:55:160
23172991716,1cyclictest65850irq/126-lan20:50:220
23181991616,0cyclictest743-21snmpd23:35:212
23181991616,0cyclictest743-21snmpd20:03:032
23172991616,0cyclictest65850irq/126-lan23:35:200
23172991616,0cyclictest65850irq/126-lan22:55:120
23172991616,0cyclictest65850irq/126-lan22:50:200
23172991616,0cyclictest65850irq/126-lan21:20:120
23172991616,0cyclictest65850irq/126-lan20:35:120
23172991616,0cyclictest65850irq/126-lan20:19:140
23172991615,1cyclictest65850irq/126-lan23:30:090
23172991615,1cyclictest65850irq/126-lan23:20:000
23172991615,1cyclictest65850irq/126-lan21:40:590
23172991615,1cyclictest65850irq/126-lan20:30:150
23172991615,1cyclictest65850irq/126-lan20:25:120
23172991615,1cyclictest65850irq/126-lan19:50:210
23172991615,1cyclictest65850irq/126-lan19:25:120
23172991615,1cyclictest65850irq/126-lan00:05:140
23181991515,0cyclictest743-21snmpd00:02:152
23172991515,0cyclictest65850irq/126-lan23:15:120
23172991515,0cyclictest65850irq/126-lan21:57:090
23172991515,0cyclictest65850irq/126-lan21:25:190
23172991515,0cyclictest65850irq/126-lan20:00:070
23172991515,0cyclictest65850irq/126-lan19:45:020
23172991515,0cyclictest65850irq/126-lan00:25:130
23172991514,1cyclictest65850irq/126-lan21:50:100
23172991514,1cyclictest65850irq/126-lan20:10:190
23172991514,1cyclictest65850irq/126-lan20:05:220
23172991514,1cyclictest65850irq/126-lan19:35:210
23172991514,1cyclictest65850irq/126-lan19:15:130
23172991514,1cyclictest65850irq/126-lan19:15:130
23172991514,1cyclictest65850irq/126-lan00:10:240
23172991414,0cyclictest65850irq/126-lan22:45:110
23172991414,0cyclictest65850irq/126-lan21:10:080
23172991413,1cyclictest65850irq/126-lan23:45:160
23172991413,1cyclictest65850irq/126-lan23:40:170
23172991413,1cyclictest65850irq/126-lan23:10:180
23172991413,1cyclictest65850irq/126-lan22:35:170
23172991413,1cyclictest65850irq/126-lan19:40:210
23172991413,1cyclictest65850irq/126-lan19:14:450
23172991313,0cyclictest65850irq/126-lan22:20:210
23172991313,0cyclictest65850irq/126-lan21:15:220
23172991313,0cyclictest65850irq/126-lan19:55:160
23172991312,1cyclictest65850irq/126-lan22:15:150
23172991312,1cyclictest65850irq/126-lan21:45:210
23172991312,1cyclictest65850irq/126-lan20:45:120
23172991312,1cyclictest65850irq/126-lan20:20:170
23172991312,1cyclictest65850irq/126-lan00:15:130
23181991212,0cyclictest743-21snmpd21:35:042
23172991212,0cyclictest65850irq/126-lan23:25:130
23172991211,1cyclictest65850irq/126-lan23:50:190
23172991211,1cyclictest65850irq/126-lan22:30:130
23172991211,1cyclictest65850irq/126-lan21:30:150
23172991111,0cyclictest65850irq/126-lan22:40:190
23172991111,0cyclictest65850irq/126-lan19:20:130
2317299109,1cyclictest65850irq/126-lan00:00:250
23172991010,0cyclictest65850irq/126-lan20:40:160
231819998,1cyclictest743-21snmpd23:03:472
231819998,1cyclictest743-21snmpd21:11:272
231819998,1cyclictest743-21snmpd00:34:072
231819998,1cyclictest741-21lldpd23:48:452
231779998,1cyclictest743-21snmpd23:53:301
231779998,1cyclictest743-21snmpd23:31:381
231779998,1cyclictest743-21snmpd21:47:051
231729999,0cyclictest65850irq/126-lan21:36:050
231729999,0cyclictest65850irq/126-lan00:35:130
231869988,0cyclictest743-21snmpd20:30:523
231869988,0cyclictest743-21snmpd20:25:563
231869988,0cyclictest743-21snmpd20:19:503
231869988,0cyclictest743-21snmpd19:34:063
231869988,0cyclictest743-21snmpd00:35:013
231869988,0cyclictest741-21lldpd21:56:513
231869988,0cyclictest741-21lldpd19:48:113
231869988,0cyclictest741-21lldpd00:33:313
231869988,0cyclictest11282-21cat21:20:003
231869987,1cyclictest743-21snmpd22:40:553
231869987,1cyclictest743-21snmpd20:41:143
231869987,1cyclictest743-21snmpd19:52:433
231869987,1cyclictest522-21avahi-daemon00:25:503
231869986,2cyclictest9595-21cat19:55:163
231869986,2cyclictest743-21snmpd19:13:453
231869986,2cyclictest743-21snmpd00:12:383
231869986,2cyclictest743-21snmpd00:09:283
231869986,2cyclictest717-21ntpd23:40:213
231869986,2cyclictest717-21ntpd21:30:013
231819988,0cyclictest743-21snmpd20:30:162
231819987,1cyclictest741-21lldpd22:01:572
231779988,0cyclictest743-21snmpd22:05:281
231779988,0cyclictest743-21snmpd21:16:071
231779988,0cyclictest743-21snmpd20:54:511
231779988,0cyclictest743-21snmpd20:08:401
231779988,0cyclictest743-21snmpd19:38:241
231779988,0cyclictest741-21lldpd21:01:021
231779988,0cyclictest741-21lldpd20:20:241
231779988,0cyclictest741-21lldpd00:23:151
231779988,0cyclictest741-21lldpd00:17:371
231779988,0cyclictest741-21lldpd00:12:591
231779987,1cyclictest743-21snmpd22:51:011
231779987,1cyclictest743-21snmpd22:49:131
231779987,1cyclictest743-21snmpd22:21:051
231779987,1cyclictest743-21snmpd22:04:411
231779987,1cyclictest741-21lldpd22:55:361
231779987,1cyclictest741-21lldpd22:26:081
231779987,1cyclictest741-21lldpd19:22:511
231779987,1cyclictest522-21avahi-daemon23:58:101
231779986,2cyclictest743-21snmpd23:46:391
231779986,2cyclictest743-21snmpd19:48:301
231779986,2cyclictest743-21snmpd00:26:221
231869977,0cyclictest743-21snmpd19:41:203
231869977,0cyclictest741-21lldpd23:19:003
231869977,0cyclictest741-21lldpd20:35:123
231869977,0cyclictest741-21lldpd20:11:543
231869977,0cyclictest741-21lldpd20:02:443
231869977,0cyclictest741-21lldpd00:00:093
231869976,1cyclictest743-21snmpd23:48:183
231869976,1cyclictest743-21snmpd22:50:453
231869976,1cyclictest743-21snmpd22:38:273
231869976,1cyclictest522-21avahi-daemon23:30:183
231869976,1cyclictest522-21avahi-daemon23:25:153
231869976,1cyclictest522-21avahi-daemon20:49:163
231869976,1cyclictest22372-21gltestperf00:20:143
231869975,2cyclictest9924-21cat23:50:143
231869975,2cyclictest743-21snmpd23:36:003
231869975,2cyclictest743-21snmpd22:45:403
231869975,2cyclictest717-21ntpd19:35:023
231819977,0cyclictest743-21snmpd21:24:252
231819977,0cyclictest743-21snmpd20:53:362
231819977,0cyclictest741-21lldpd23:50:512
231819977,0cyclictest741-21lldpd23:17:162
231819977,0cyclictest741-21lldpd22:17:272
231819977,0cyclictest741-21lldpd22:13:432
231819977,0cyclictest741-21lldpd21:45:112
231819976,1cyclictest743-21snmpd22:25:212
231819976,1cyclictest743-21snmpd21:07:272
231819976,1cyclictest522-21avahi-daemon19:59:472
231819976,1cyclictest506-21systemd-resolve20:38:292
231819975,2cyclictest743-21snmpd23:56:452
231819975,2cyclictest743-21snmpd23:32:382
231819975,2cyclictest743-21snmpd23:25:412
231819975,2cyclictest743-21snmpd21:44:172
231819975,2cyclictest743-21snmpd21:19:582
231819975,2cyclictest743-21snmpd00:19:222
231819975,2cyclictest743-21snmpd00:10:522
231819973,3cyclictest10867-21memory22:35:152
231779977,0cyclictest743-21snmpd22:13:571
231779977,0cyclictest743-21snmpd20:01:031
231779977,0cyclictest743-21snmpd19:55:581
231779977,0cyclictest741-21lldpd23:18:221
231779977,0cyclictest741-21lldpd23:11:141
231779977,0cyclictest741-21lldpd21:59:111
231779977,0cyclictest741-21lldpd21:30:291
231779976,1cyclictest743-21snmpd21:40:441
231779976,1cyclictest743-21snmpd21:39:361
231779976,1cyclictest743-21snmpd00:06:391
231779976,1cyclictest741-21lldpd20:16:231
231779976,1cyclictest741-21lldpd19:50:431
231779976,1cyclictest24818-21gltestperf21:50:131
231779975,2cyclictest743-21snmpd23:06:111
231779975,2cyclictest743-21snmpd21:11:061
231779975,2cyclictest743-21snmpd19:13:271
231779975,2cyclictest743-21snmpd00:33:071
231869966,0cyclictest743-21snmpd22:30:423
231869966,0cyclictest741-21lldpd22:55:523
231869966,0cyclictest741-21lldpd21:36:213
231869966,0cyclictest741-21lldpd21:04:493
231869966,0cyclictest741-21lldpd20:56:463
231869966,0cyclictest741-21lldpd19:15:493
231869966,0cyclictest741-21lldpd19:15:483
231869966,0cyclictest522-21avahi-daemon19:21:043
231869965,1cyclictest743-21snmpd21:09:153
231869965,1cyclictest1957-21turbostat22:19:553
231869965,1cyclictest11587-21cpuspeed_turbos23:55:123
231869964,2cyclictest743-21snmpd22:22:273
231869964,2cyclictest743-21snmpd22:04:083
231869964,2cyclictest743-21snmpd21:49:533
231869964,2cyclictest743-21snmpd00:15:493
231869964,2cyclictest717-21ntpd21:26:053
231869964,2cyclictest717-21ntpd21:24:093
231869963,3cyclictest743-21snmpd22:26:213
231869963,2cyclictest24822-21grep21:50:143
231869962,3cyclictest30879-21fw_packets22:05:143
231819966,0cyclictest743-21snmpd20:48:112
231819966,0cyclictest741-21lldpd20:06:302
231819965,1cyclictest743-21snmpd22:30:002
231819965,1cyclictest743-21snmpd20:55:542
231819965,1cyclictest743-21snmpd19:48:222
231819965,1cyclictest743-21snmpd19:41:302
231819965,1cyclictest743-21snmpd00:38:342
231819965,1cyclictest743-21snmpd00:26:552
231819965,1cyclictest522-21avahi-daemon23:05:052
231819965,1cyclictest27517-21kworker/2:3+events_freezable_pwr_efficient19:25:162
231819964,2cyclictest743-21snmpd20:18:582
231819963,2cyclictest31391-21ntpq22:05:172
231819962,3cyclictest22086-21ld20:25:172
231819962,3cyclictest15879-21fw_conntrack21:30:132
231779966,0cyclictest743-21snmpd21:07:571
231779966,0cyclictest23163-21cyclictest19:40:131
231779965,1cyclictest743-21snmpd20:41:171
231779965,1cyclictest743-21snmpd20:14:531
231779965,1cyclictest743-21snmpd19:34:181
231779965,1cyclictest743-21snmpd00:04:451
231779965,1cyclictest23934-21needreboot20:30:151
231779964,2cyclictest743-21snmpd22:34:391
231779964,2cyclictest743-21snmpd20:38:591
231779964,2cyclictest743-21snmpd19:16:001
231779964,2cyclictest743-21snmpd19:15:591
231779961,5cyclictest557-21NetworkManager00:38:341
231869955,0cyclictest741-21lldpd19:29:003
231869955,0cyclictest32166-21cut20:50:143
231869954,1cyclictest7705-21fschecks_count21:10:143
231869954,1cyclictest244-20systemd-journal22:10:283
231869953,2cyclictest743-21snmpd23:00:443
231869953,2cyclictest717-21ntpd21:42:083
231869952,3cyclictest26183-21irqstats23:10:163
231869952,2cyclictest20475-21sed20:20:213
231869951,3cyclictest24107-21smartctl23:05:143
231819955,0cyclictest743-21snmpd19:19:512
231819955,0cyclictest743-21snmpd19:19:502
231819955,0cyclictest244-20systemd-journal20:11:532
231819954,1cyclictest522-21avahi-daemon23:10:292
231819954,1cyclictest27517-21kworker/2:3+events_freezable_pwr_efficient20:20:122
231819953,2cyclictest743-21snmpd22:49:522
231819953,2cyclictest717-21ntpd21:51:402
231819952,3cyclictest717-21ntpd22:22:282
231819950,4cyclictest32235-21ntpq19:30:172
231819950,4cyclictest28596-21ntpq20:40:182
231779955,0cyclictest743-21snmpd23:26:321
231779955,0cyclictest743-21snmpd23:21:441
231779955,0cyclictest522-21avahi-daemon20:46:091
231779955,0cyclictest29505-21cpuspeed_turbos19:25:111
231779954,1cyclictest522-21avahi-daemon23:39:561
231779954,1cyclictest3066-21ntpq22:15:151
231779953,2cyclictest331ktimers/120:25:111
231779952,2cyclictest2187-21ld20:55:181
231779951,3cyclictest21562-21fw_forwarded_lo23:00:141
231869941,3cyclictest29798-21grep23:20:123
231819944,0cyclictest743-21snmpd23:20:562
231819944,0cyclictest15004-21kworker/u16:1-ext4-rsv-conversion22:40:052
231819943,1cyclictest421ktimers/221:55:172
231819943,1cyclictest0-21swapper/221:25:172
231819942,2cyclictest743-21snmpd22:50:102
231819940,4cyclictest4238-21ntpq21:00:142
231819940,3cyclictest27573-21df19:20:132
231819940,3cyclictest24408-21/usr/sbin/munin19:10:212
231779942,2cyclictest13656-21cut21:25:131
231779942,2cyclictest12775-21cat22:40:141
231779941,2cyclictest11107-21ld22:35:181
231779940,3cyclictest5759-21fw_conntrack23:40:141
231779940,3cyclictest12408-21ntp_states21:20:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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