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2026-08-09 - 05:09

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 Sun Aug 09, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32244992727,0cyclictest11802-21fwupd23:30:391
32239991919,0cyclictest65850irq/126-lan00:08:450
32239991918,1cyclictest65850irq/126-lan22:38:060
32239991817,1cyclictest65850irq/126-lan22:40:110
32239991817,1cyclictest65850irq/126-lan21:35:210
32239991817,1cyclictest65850irq/126-lan21:25:140
32239991717,0cyclictest65850irq/126-lan22:58:370
32239991717,0cyclictest65850irq/126-lan22:20:150
32239991717,0cyclictest65850irq/126-lan20:25:190
32239991716,1cyclictest65850irq/126-lan23:15:120
32239991716,1cyclictest65850irq/126-lan23:05:220
32239991716,1cyclictest65850irq/126-lan22:15:220
32239991716,1cyclictest65850irq/126-lan21:00:180
32239991716,1cyclictest65850irq/126-lan20:45:120
32239991616,0cyclictest65850irq/126-lan23:50:150
32239991616,0cyclictest65850irq/126-lan22:25:150
32239991616,0cyclictest65850irq/126-lan21:20:160
32239991616,0cyclictest65850irq/126-lan20:20:160
32239991616,0cyclictest65850irq/126-lan19:10:320
32239991615,1cyclictest65850irq/126-lan23:00:200
32239991615,1cyclictest65850irq/126-lan22:30:120
32239991615,1cyclictest65850irq/126-lan22:00:180
32239991615,1cyclictest65850irq/126-lan20:55:130
32239991615,1cyclictest65850irq/126-lan20:35:130
32239991615,1cyclictest65850irq/126-lan19:30:140
32239991615,1cyclictest65850irq/126-lan00:20:170
32239991515,0cyclictest65850irq/126-lan23:35:130
32239991515,0cyclictest65850irq/126-lan21:45:200
32239991515,0cyclictest65850irq/126-lan19:35:180
32239991515,0cyclictest65850irq/126-lan00:12:230
32239991515,0cyclictest65850irq/126-lan00:02:140
32239991514,1cyclictest65850irq/126-lan23:45:190
32239991514,1cyclictest65850irq/126-lan23:25:190
32239991514,1cyclictest65850irq/126-lan23:11:370
32239991514,1cyclictest65850irq/126-lan22:10:250
32239991514,1cyclictest65850irq/126-lan21:10:130
32239991514,1cyclictest65850irq/126-lan20:31:380
32239991514,1cyclictest65850irq/126-lan20:15:220
32239991514,1cyclictest65850irq/126-lan20:05:220
32239991514,1cyclictest65850irq/126-lan19:40:130
32239991414,0cyclictest65850irq/126-lan21:56:370
32239991414,0cyclictest65850irq/126-lan20:40:170
32239991414,0cyclictest65850irq/126-lan20:00:170
32239991413,1cyclictest65850irq/126-lan22:45:220
32239991413,1cyclictest65850irq/126-lan21:30:200
32239991413,1cyclictest65850irq/126-lan19:55:120
32239991413,1cyclictest65850irq/126-lan19:20:140
32239991312,1cyclictest65850irq/126-lan23:56:390
32239991312,1cyclictest65850irq/126-lan23:40:150
32239991312,1cyclictest65850irq/126-lan19:45:130
32239991212,0cyclictest65850irq/126-lan23:20:140
32239991212,0cyclictest65850irq/126-lan21:05:200
32239991212,0cyclictest65850irq/126-lan20:14:370
32239991212,0cyclictest65850irq/126-lan19:25:130
32239991212,0cyclictest65850irq/126-lan19:15:130
32239991212,0cyclictest65850irq/126-lan00:25:140
32239991211,1cyclictest65850irq/126-lan19:52:440
32239991211,1cyclictest65850irq/126-lan00:35:150
32239991111,0cyclictest65850irq/126-lan21:40:200
3223999109,1cyclictest65850irq/126-lan21:50:080
322529998,1cyclictest743-21snmpd22:45:593
322529998,1cyclictest743-21snmpd21:01:273
322529998,1cyclictest743-21snmpd00:20:233
322489998,1cyclictest743-21snmpd19:30:192
322489998,1cyclictest743-21snmpd00:36:122
322489998,1cyclictest741-21lldpd23:12:392
322489998,1cyclictest522-21avahi-daemon20:21:012
322449998,1cyclictest743-21snmpd20:45:571
322449998,1cyclictest743-21snmpd00:11:581
322399999,0cyclictest65850irq/126-lan00:19:090
322399998,1cyclictest743-21snmpd20:52:130
322399998,1cyclictest65850irq/126-lan21:15:130
322529988,0cyclictest743-21snmpd23:32:483
322529988,0cyclictest743-21snmpd20:52:463
322529988,0cyclictest743-21snmpd20:36:393
322529988,0cyclictest743-21snmpd19:33:013
322529988,0cyclictest743-21snmpd19:25:213
322529988,0cyclictest743-21snmpd00:06:533
322529988,0cyclictest741-21lldpd20:56:433
322529987,1cyclictest743-21snmpd23:57:183
322529987,1cyclictest743-21snmpd21:43:033
322529987,1cyclictest743-21snmpd21:18:433
322529987,1cyclictest743-21snmpd20:34:063
322529987,1cyclictest743-21snmpd00:18:443
322529987,1cyclictest741-21lldpd21:52:273
322529986,2cyclictest743-21snmpd22:01:503
322529986,2cyclictest743-21snmpd20:16:273
322529986,2cyclictest743-21snmpd20:14:383
322489988,0cyclictest743-21snmpd20:30:502
322489988,0cyclictest741-21lldpd22:59:582
322489988,0cyclictest741-21lldpd22:01:282
322489987,1cyclictest743-21snmpd22:05:382
322489987,1cyclictest741-21lldpd21:12:092
322489986,2cyclictest743-21snmpd23:57:242
322489986,2cyclictest743-21snmpd21:28:112
322489986,2cyclictest743-21snmpd00:00:432
322489986,2cyclictest10857-21cat23:30:162
322489984,3cyclictest14330-21memory21:00:152
322449988,0cyclictest741-21lldpd23:46:131
322449988,0cyclictest741-21lldpd22:29:481
322449988,0cyclictest741-21lldpd00:18:011
322449987,1cyclictest743-21snmpd20:43:151
322449987,1cyclictest743-21snmpd00:31:141
322449987,1cyclictest741-21lldpd21:26:251
322449986,2cyclictest743-21snmpd21:37:581
322449986,2cyclictest743-21snmpd00:02:491
322399988,0cyclictest741-21lldpd00:31:070
322399988,0cyclictest65850irq/126-lan23:30:140
322529977,0cyclictest743-21snmpd20:01:563
322529977,0cyclictest743-21snmpd00:30:113
322529977,0cyclictest741-21lldpd23:20:023
322529977,0cyclictest741-21lldpd20:43:053
322529977,0cyclictest741-21lldpd19:42:303
322529977,0cyclictest741-21lldpd00:03:213
322529976,1cyclictest743-21snmpd22:50:073
322529976,1cyclictest743-21snmpd22:21:453
322529976,1cyclictest743-21snmpd20:20:213
322529976,1cyclictest743-21snmpd00:39:093
322529975,2cyclictest743-21snmpd23:10:453
322529975,2cyclictest743-21snmpd22:16:333
322529975,2cyclictest743-21snmpd21:58:393
322529973,3cyclictest16687-21memory22:25:173
322489977,0cyclictest743-21snmpd23:38:372
322489977,0cyclictest743-21snmpd23:23:082
322489977,0cyclictest743-21snmpd22:40:562
322489977,0cyclictest743-21snmpd22:36:302
322489977,0cyclictest743-21snmpd22:23:182
322489977,0cyclictest743-21snmpd20:48:452
322489977,0cyclictest741-21lldpd23:09:012
322489977,0cyclictest741-21lldpd21:47:402
322489976,1cyclictest743-21snmpd21:19:282
322489976,1cyclictest743-21snmpd20:59:002
322489976,1cyclictest743-21snmpd19:48:442
322489976,1cyclictest743-21snmpd19:15:162
322489976,1cyclictest743-21snmpd00:11:132
322489976,1cyclictest741-21lldpd22:10:262
322489976,1cyclictest741-21lldpd21:35:292
322489976,1cyclictest30427-21cpuspeed_turbos21:40:132
322489976,1cyclictest14543-21cpuspeed_turbos23:40:112
322489975,2cyclictest743-21snmpd23:25:532
322489975,2cyclictest743-21snmpd21:58:272
322489975,2cyclictest743-21snmpd21:51:412
322489975,2cyclictest743-21snmpd19:50:472
322489975,2cyclictest743-21snmpd19:24:032
322489975,2cyclictest743-21snmpd00:29:042
322489975,2cyclictest743-21snmpd00:16:142
322489973,3cyclictest23817-21ntpq20:05:172
322449977,0cyclictest743-21snmpd23:17:211
322449977,0cyclictest743-21snmpd20:10:171
322449977,0cyclictest741-21lldpd23:50:271
322449977,0cyclictest741-21lldpd00:07:411
322449976,1cyclictest743-21snmpd21:46:021
322449976,1cyclictest743-21snmpd20:00:401
322449975,2cyclictest743-21snmpd23:55:541
322449975,2cyclictest743-21snmpd23:35:061
322449975,2cyclictest743-21snmpd22:59:221
322449975,2cyclictest743-21snmpd22:42:051
322449975,2cyclictest743-21snmpd21:44:151
322449975,2cyclictest743-21snmpd20:32:381
322449975,2cyclictest4097-21cat20:35:141
322399977,0cyclictest65850irq/126-lan22:06:370
322529966,0cyclictest743-21snmpd23:53:343
322529965,1cyclictest743-21snmpd22:10:583
322529965,1cyclictest617-21grep21:45:143
322529965,1cyclictest418-21fschecks_count00:25:133
322529964,2cyclictest743-21snmpd19:57:493
322529964,2cyclictest743-21snmpd19:53:463
322529964,2cyclictest743-21snmpd19:39:003
322529963,2cyclictest743-21snmpd23:45:223
322489966,0cyclictest743-21snmpd21:20:412
322489966,0cyclictest741-21lldpd19:59:532
322489965,1cyclictest743-21snmpd23:15:032
322489965,1cyclictest522-21avahi-daemon22:51:302
322489965,1cyclictest2374-21cpuspeed_turbos00:30:132
322489964,2cyclictest743-21snmpd21:32:312
322489963,3cyclictest31020-21ld23:00:172
322489963,2cyclictest12248-21entropy22:15:132
322489962,3cyclictest25039-21ntp_states22:45:182
322449966,0cyclictest743-21snmpd00:21:531
322449966,0cyclictest741-21lldpd21:09:531
322449965,1cyclictest743-21snmpd19:39:521
322449965,1cyclictest743-21snmpd19:31:571
322449965,1cyclictest741-21lldpd23:04:161
322449965,1cyclictest741-21lldpd20:27:351
322449965,1cyclictest32508-21cpuspeed_turbos19:10:131
322449965,1cyclictest20683-21cat21:15:141
322449965,1cyclictest13848-21cpuspeed_turbos21:00:121
322449964,2cyclictest743-21snmpd23:10:471
322449964,2cyclictest743-21snmpd22:36:121
322449964,2cyclictest743-21snmpd21:30:311
322449964,2cyclictest743-21snmpd19:27:301
322449964,2cyclictest12167-21cat20:55:151
322449962,3cyclictest7230-21ntp_states23:20:161
322449962,3cyclictest12783-21ntpq22:15:171
322449961,5cyclictest557-21NetworkManager19:49:481
322399963,2cyclictest244-20systemd-journal22:52:380
322529955,0cyclictest743-21snmpd22:30:453
322529955,0cyclictest741-21lldpd21:20:473
322529955,0cyclictest522-21avahi-daemon22:40:013
322529954,1cyclictest26924-21needreboot21:30:153
322529953,2cyclictest743-21snmpd23:18:543
322529952,3cyclictest743-21snmpd23:26:573
322529952,3cyclictest557-21NetworkManager23:39:333
322529952,2cyclictest575-21rs:main3
322529952,2cyclictest25063-21readlink20:10:003
322529952,2cyclictest20453-21fw_forwarded_lo22:35:153
322529952,2cyclictest18986-21ntpq21:10:163
322529952,2cyclictest16012-21apt-config21:05:013
322529952,2cyclictest15422-21ps23:40:183
322529951,3cyclictest4609-21sed19:20:143
322529951,3cyclictest2350-21fw_packets19:15:143
322489955,0cyclictest741-21lldpd00:23:362
322489954,1cyclictest32099-21cpuspeed_turbos20:25:122
322489954,1cyclictest16940-21irqstats23:45:162
322489953,2cyclictest557-21NetworkManager22:26:032
322489953,2cyclictest557-21NetworkManager20:16:232
322489953,2cyclictest32647-21grep19:10:142
322489953,2cyclictest19082-21wc23:50:152
322489952,2cyclictest4049-21sed20:35:142
322489952,2cyclictest24817-21tune2fs00:05:162
322489952,2cyclictest11829-21awk19:35:232
322489952,2cyclictest11523-21cat20:55:002
322489951,3cyclictest19493-21users22:30:212
322489951,3cyclictest13573-21memory19:40:152
322489950,4cyclictest6847-21ntpq19:25:182
322489950,4cyclictest26252-21ntpq20:10:162
322489950,4cyclictest16971-21ntpq21:05:172
322449955,0cyclictest741-21lldpd19:16:381
322449954,1cyclictest4081-21cpuspeed_turbos21:55:131
322449954,1cyclictest32230-21cyclictest21:50:101
322449953,2cyclictest743-21snmpd22:22:241
322449953,2cyclictest743-21snmpd20:07:231
322449952,3cyclictest743-21snmpd22:45:381
322449952,3cyclictest557-21NetworkManager21:10:181
322449952,3cyclictest244-20systemd-journal00:37:231
322449952,3cyclictest14468-21apt23:40:111
322449952,2cyclictest32651-21cut23:05:141
322449952,2cyclictest27931-21dpkg20:15:001
322449952,2cyclictest11029-21sed20:50:221
322449951,3cyclictest5442-21uptime19:20:221
322449950,4cyclictest23115-21ntp_states21:20:181
322529944,0cyclictest741-21lldpd23:06:253
322529943,1cyclictest8122-21cpuspeed_turbos22:05:103
322529943,1cyclictest522-21avahi-daemon21:25:123
322529942,2cyclictest15293-21perl19:45:143
322529941,2cyclictest32525-21tr19:10:133
322529941,2cyclictest26601-21dpkg00:10:113
322529940,4cyclictest557-21NetworkManager23:00:113
322529940,4cyclictest32758-21ntpq20:25:173
322529940,3cyclictest7881-21diskstats20:45:133
322529940,3cyclictest28397-21diskstats22:55:133
322489941,2cyclictest6702-21find20:40:182
322489940,3cyclictest21093-21apt-get20:00:142
322449942,2cyclictest743-21snmpd20:20:121
322449942,2cyclictest743-21snmpd00:25:311
322449942,2cyclictest13734-21ld19:40:161
322449941,2cyclictest9109-21ld23:25:141
322449941,2cyclictest8584-21latency22:05:131
322449940,4cyclictest18848-21ldconfig22:30:161
322449940,4cyclictest17831-21ntpq19:50:191
322449940,3cyclictest6237-21grep22:00:131
322449940,3cyclictest26383-21diskstats22:50:121
322449940,3cyclictest20089-21cut19:55:201
322449940,3cyclictest10069-21apt-get22:10:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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