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2026-07-27 - 14:32

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 Mon Jul 27, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13467991918,1cyclictest65850irq/126-lan21:46:010
13467991817,1cyclictest65850irq/126-lan23:30:130
13467991817,1cyclictest65850irq/126-lan21:25:200
13467991817,1cyclictest65850irq/126-lan21:10:170
13467991717,0cyclictest65850irq/126-lan23:35:140
13467991717,0cyclictest65850irq/126-lan21:30:190
13467991717,0cyclictest65850irq/126-lan20:42:350
13467991716,1cyclictest65850irq/126-lan23:50:140
13467991716,1cyclictest65850irq/126-lan22:40:190
13467991716,1cyclictest65850irq/126-lan22:25:140
13467991716,1cyclictest65850irq/126-lan21:40:210
13467991716,1cyclictest65850irq/126-lan21:00:180
13467991716,1cyclictest65850irq/126-lan20:35:130
13467991716,1cyclictest65850irq/126-lan20:25:120
13467991716,1cyclictest65850irq/126-lan19:55:110
13467991716,1cyclictest65850irq/126-lan19:10:170
13467991716,1cyclictest65850irq/126-lan00:19:590
13477991616,0cyclictest743-21snmpd23:25:231
13477991616,0cyclictest743-21snmpd19:17:151
13467991616,0cyclictest65850irq/126-lan23:10:570
13467991616,0cyclictest65850irq/126-lan22:10:170
13467991616,0cyclictest65850irq/126-lan20:30:210
13467991615,1cyclictest65850irq/126-lan23:05:140
13467991615,1cyclictest65850irq/126-lan21:55:130
13467991615,1cyclictest65850irq/126-lan21:35:150
13467991615,1cyclictest65850irq/126-lan21:15:150
13467991615,1cyclictest65850irq/126-lan21:05:120
13467991615,1cyclictest65850irq/126-lan19:15:180
13477991515,0cyclictest743-21snmpd23:23:481
13477991515,0cyclictest743-21snmpd21:43:521
13477991515,0cyclictest743-21snmpd21:26:311
13477991515,0cyclictest743-21snmpd19:26:071
13477991515,0cyclictest743-21snmpd19:12:421
13477991514,1cyclictest743-21snmpd23:45:021
13467991515,0cyclictest65850irq/126-lan23:55:130
13467991515,0cyclictest65850irq/126-lan22:30:150
13467991515,0cyclictest65850irq/126-lan22:20:220
13467991515,0cyclictest65850irq/126-lan22:20:210
13467991515,0cyclictest65850irq/126-lan22:17:210
13467991515,0cyclictest65850irq/126-lan22:05:120
13467991515,0cyclictest65850irq/126-lan20:55:180
13467991515,0cyclictest65850irq/126-lan20:10:170
13467991515,0cyclictest65850irq/126-lan19:50:150
13467991515,0cyclictest65850irq/126-lan19:35:230
13467991515,0cyclictest65850irq/126-lan19:20:110
13467991515,0cyclictest65850irq/126-lan00:00:110
13467991514,1cyclictest65850irq/126-lan23:45:170
13467991514,1cyclictest65850irq/126-lan20:00:140
13477991414,0cyclictest743-21snmpd23:30:201
13477991414,0cyclictest743-21snmpd23:09:471
13477991414,0cyclictest743-21snmpd22:32:581
13477991414,0cyclictest743-21snmpd22:05:541
13477991414,0cyclictest743-21snmpd21:15:471
13477991414,0cyclictest743-21snmpd20:55:271
13477991414,0cyclictest743-21snmpd20:47:581
13477991414,0cyclictest743-21snmpd20:44:301
13477991414,0cyclictest743-21snmpd19:58:051
13477991414,0cyclictest743-21snmpd19:38:391
13477991414,0cyclictest743-21snmpd00:20:461
13477991414,0cyclictest3483-21cat21:20:161
13477991414,0cyclictest27794-21cat21:00:131
13477991414,0cyclictest23770-21cat20:50:141
13477991414,0cyclictest23647-21cat22:10:141
13467991414,0cyclictest65850irq/126-lan23:40:220
13467991414,0cyclictest65850irq/126-lan23:15:110
13467991414,0cyclictest65850irq/126-lan23:00:150
13467991414,0cyclictest65850irq/126-lan22:50:200
13467991414,0cyclictest65850irq/126-lan19:30:130
13467991413,1cyclictest65850irq/126-lan22:50:010
13467991413,1cyclictest65850irq/126-lan22:00:180
13467991413,1cyclictest65850irq/126-lan20:45:020
13467991413,1cyclictest65850irq/126-lan00:35:140
13467991413,1cyclictest65850irq/126-lan00:30:200
13467991413,1cyclictest65850irq/126-lan00:25:160
13467991413,1cyclictest65850irq/126-lan00:10:200
13467991413,1cyclictest65850irq/126-lan00:05:180
13477991313,0cyclictest743-21snmpd23:58:121
13477991313,0cyclictest743-21snmpd23:41:321
13477991313,0cyclictest743-21snmpd22:02:591
13477991313,0cyclictest743-21snmpd21:05:181
13477991313,0cyclictest743-21snmpd20:12:201
13477991313,0cyclictest743-21snmpd20:06:551
13477991313,0cyclictest743-21snmpd19:24:301
13467991313,0cyclictest65850irq/126-lan20:50:150
13467991313,0cyclictest65850irq/126-lan19:40:140
13467991312,1cyclictest65850irq/126-lan21:50:130
13467991312,1cyclictest65850irq/126-lan21:20:140
13467991312,1cyclictest65850irq/126-lan20:06:040
13467991312,1cyclictest65850irq/126-lan19:45:200
13467991312,1cyclictest65850irq/126-lan19:25:190
13477991212,0cyclictest743-21snmpd23:12:521
13477991212,0cyclictest743-21snmpd22:39:541
13467991212,0cyclictest65850irq/126-lan22:55:190
13467991212,0cyclictest65850irq/126-lan20:24:340
13467991212,0cyclictest65850irq/126-lan20:15:150
13477991111,0cyclictest743-21snmpd20:38:201
13467991110,1cyclictest65850irq/126-lan23:25:130
13467991110,1cyclictest65850irq/126-lan23:20:230
13467991110,1cyclictest65850irq/126-lan00:20:170
1346799109,1cyclictest65850irq/126-lan22:35:130
134889998,1cyclictest743-21snmpd23:43:113
134889998,1cyclictest743-21snmpd19:33:213
134889998,1cyclictest743-21snmpd19:14:053
134889998,1cyclictest743-21snmpd00:13:273
134889998,1cyclictest741-21lldpd21:51:193
134829998,1cyclictest743-21snmpd23:02:052
134829998,1cyclictest743-21snmpd20:13:412
134829998,1cyclictest741-21lldpd22:18:012
134679999,0cyclictest65850irq/126-lan19:10:000
134889988,0cyclictest743-21snmpd23:00:113
134889988,0cyclictest743-21snmpd20:53:543
134889988,0cyclictest743-21snmpd20:40:333
134889988,0cyclictest743-21snmpd20:03:553
134889988,0cyclictest741-21lldpd22:45:303
134889988,0cyclictest741-21lldpd21:38:023
134889987,1cyclictest743-21snmpd22:55:073
134889987,1cyclictest743-21snmpd22:50:493
134889987,1cyclictest743-21snmpd21:32:113
134889987,1cyclictest522-21avahi-daemon20:57:343
134889986,2cyclictest743-21snmpd23:15:113
134889986,2cyclictest743-21snmpd21:58:503
134889986,2cyclictest743-21snmpd00:16:033
134829988,0cyclictest743-21snmpd19:47:102
134829988,0cyclictest743-21snmpd00:00:542
134829987,1cyclictest743-21snmpd22:51:132
134829987,1cyclictest743-21snmpd22:39:152
134829987,1cyclictest743-21snmpd20:45:572
134829986,2cyclictest743-21snmpd23:52:012
134829986,2cyclictest743-21snmpd23:38:032
134829986,2cyclictest743-21snmpd23:13:372
134829986,2cyclictest743-21snmpd22:56:432
134829986,2cyclictest743-21snmpd22:41:272
134829986,2cyclictest743-21snmpd00:23:562
134829985,3cyclictest743-21snmpd21:51:352
134829982,6cyclictest557-21NetworkManager19:25:172
134779988,0cyclictest743-21snmpd20:18:351
134779988,0cyclictest741-21lldpd23:15:051
134779988,0cyclictest741-21lldpd22:59:071
134779988,0cyclictest741-21lldpd21:50:041
134779987,1cyclictest743-21snmpd21:33:171
134779987,1cyclictest743-21snmpd19:40:131
134779987,1cyclictest741-21lldpd00:11:341
134779986,1cyclictest743-21snmpd00:35:441
134889977,0cyclictest743-21snmpd23:56:093
134889977,0cyclictest743-21snmpd23:52:283
134889977,0cyclictest743-21snmpd19:55:473
134889977,0cyclictest741-21lldpd00:08:193
134889977,0cyclictest522-21avahi-daemon19:25:093
134889976,1cyclictest7369-21needreboot20:10:183
134889976,1cyclictest17276-21dump-pmu-power23:15:003
134889975,2cyclictest743-21snmpd19:45:013
134889974,3cyclictest4632-21cat00:00:153
134829977,0cyclictest743-21snmpd20:30:292
134829977,0cyclictest743-21snmpd19:17:032
134829977,0cyclictest743-21snmpd00:18:212
134829977,0cyclictest741-21lldpd23:33:082
134829977,0cyclictest741-21lldpd21:44:182
134829977,0cyclictest741-21lldpd20:17:332
134829976,1cyclictest743-21snmpd00:13:542
134829976,1cyclictest741-21lldpd20:21:372
134829976,1cyclictest522-21avahi-daemon23:23:092
134829975,2cyclictest743-21snmpd23:41:472
134829975,2cyclictest743-21snmpd22:34:132
134829975,2cyclictest743-21snmpd20:36:022
134829975,2cyclictest743-21snmpd19:52:252
134829975,2cyclictest743-21snmpd00:29:142
134779977,0cyclictest741-21lldpd22:25:331
134779977,0cyclictest741-21lldpd20:27:051
134779976,1cyclictest743-21snmpd20:01:281
134779976,1cyclictest14895-21fschecks_count00:25:161
134779975,2cyclictest743-21snmpd23:39:211
134779975,2cyclictest743-21snmpd19:30:541
134889966,0cyclictest743-21snmpd22:22:393
134889966,0cyclictest743-21snmpd22:22:393
134889966,0cyclictest743-21snmpd22:13:113
134889966,0cyclictest743-21snmpd21:17:403
134889966,0cyclictest743-21snmpd19:50:523
134889965,1cyclictest9377-21needreboot20:15:153
134889965,1cyclictest743-21snmpd00:29:373
134889965,1cyclictest573-21in:imuxsock20:38:163
134889965,1cyclictest573-21in:imuxsock00:39:143
134889965,1cyclictest522-21avahi-daemon22:25:433
134889965,1cyclictest522-21avahi-daemon20:47:383
134889965,1cyclictest16964-21fschecks_time00:30:133
134889965,1cyclictest12343-21cpuspeed_turbos00:20:133
134889964,2cyclictest743-21snmpd23:28:083
134889964,2cyclictest743-21snmpd20:09:403
134889962,3cyclictest6972-21sed21:30:003
134889962,3cyclictest29673-21fw_forwarded_lo21:05:143
134889962,3cyclictest25149-21memory19:35:173
134889962,3cyclictest16519-21cat19:15:153
134829966,0cyclictest743-21snmpd23:26:202
134829966,0cyclictest743-21snmpd21:27:012
134829966,0cyclictest743-21snmpd20:06:162
134829966,0cyclictest741-21lldpd22:25:152
134829966,0cyclictest741-21lldpd22:20:042
134829966,0cyclictest741-21lldpd22:20:042
134829966,0cyclictest741-21lldpd21:05:412
134829966,0cyclictest741-21lldpd20:52:292
134829966,0cyclictest522-21avahi-daemon20:27:072
134829965,1cyclictest743-21snmpd20:01:012
134829965,1cyclictest741-21lldpd22:02:112
134829965,1cyclictest522-21avahi-daemon21:34:022
134829965,1cyclictest27438-21cpuspeed_turbos21:00:112
134829965,1cyclictest23400-21fschecks_count22:10:132
134829965,1cyclictest13589-21cat21:45:162
134829964,2cyclictest743-21snmpd00:38:352
134829964,2cyclictest743-21snmpd00:08:552
134829963,3cyclictest2415-21fw_forwarded_lo23:55:132
134829963,2cyclictest244-20systemd-journal21:20:002
134779966,0cyclictest741-21lldpd19:52:461
134779965,1cyclictest743-21snmpd21:59:471
134779965,1cyclictest743-21snmpd21:45:291
134889955,0cyclictest743-21snmpd20:30:113
134889955,0cyclictest506-21systemd-resolve23:06:483
134889955,0cyclictest506-21systemd-resolve22:35:163
134889954,1cyclictest743-21snmpd21:23:553
134889954,1cyclictest741-21lldpd21:01:393
134889954,1cyclictest573-21in:imuxsock22:42:143
134889954,1cyclictest511ktimers/320:25:133
134889953,2cyclictest743-21snmpd23:39:503
134889952,3cyclictest557-21NetworkManager19:24:253
134889952,2cyclictest244-20systemd-journal22:05:233
134889951,3cyclictest12476-21users21:40:213
134889950,4cyclictest20388-21ntpq23:20:173
134829955,0cyclictest522-21avahi-daemon19:31:092
134829954,1cyclictest743-21snmpd22:45:102
134829954,1cyclictest743-21snmpd19:40:012
134829954,1cyclictest26132-21ntpq20:55:162
134829954,1cyclictest17533-21gltestperf21:55:132
134829953,2cyclictest743-21snmpd22:07:292
134829953,2cyclictest18129-21apt-get19:20:102
134829952,3cyclictest557-21NetworkManager19:14:272
134829952,2cyclictest575-21rs:main2
134829952,2cyclictest32605-21cat21:10:212
134829952,2cyclictest19153-21cut20:40:142
134829951,3cyclictest31832-21awk23:45:212
134779955,0cyclictest522-21avahi-daemon21:12:101
134779953,2cyclictest743-21snmpd21:37:341
134779953,2cyclictest743-21snmpd20:24:441
134779953,2cyclictest717-21ntpd23:52:531
134779953,2cyclictest717-21ntpd22:46:521
134779953,2cyclictest717-21ntpd22:41:051
134779953,2cyclictest717-21ntpd22:21:541
134779953,2cyclictest717-21ntpd22:21:531
134779953,2cyclictest717-21ntpd22:15:511
134779952,2cyclictest575-21rs:main1
134779951,2cyclictest8072-21cat00:10:001
134889944,0cyclictest575-21rs:main3
134889943,1cyclictest522-21avahi-daemon21:47:483
134889942,2cyclictest0-21swapper/321:10:143
134889941,2cyclictest31701-21timerwakeupswit23:45:213
134889941,2cyclictest31309-21grep22:30:143
134889940,3cyclictest27462-21ntpq19:40:173
134889940,3cyclictest25936-21ntpq22:15:173
134889940,3cyclictest24304-21fw_forwarded_lo23:30:143
134829942,2cyclictest743-21snmpd23:15:022
134829942,2cyclictest717-21ntpd19:55:022
134829942,2cyclictest16984-21tune2fs00:30:132
134829942,2cyclictest14739-21unixbench_multi23:05:222
134829941,2cyclictest3814-21ld21:20:192
134829940,4cyclictest25049-21irqstats19:35:162
134779943,1cyclictest12297-21ntpq23:00:181
134779942,2cyclictest717-21ntpd00:00:141
134779942,2cyclictest557-21NetworkManager00:30:131
134779942,2cyclictest331ktimers/122:50:101
134779941,2cyclictest29370-21grep19:45:161
134779940,3cyclictest15543-21ntpq20:30:151
134889930,3cyclictest19198-21apt-get22:00:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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