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2026-05-08 - 13:55

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 Fri May 08, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20432992019,1cyclictest65850irq/126-lan00:07:293
20432991918,1cyclictest65850irq/126-lan00:35:163
20432991818,0cyclictest65850irq/126-lan22:42:383
20432991818,0cyclictest65850irq/126-lan21:53:283
20432991818,0cyclictest65850irq/126-lan19:36:183
20432991818,0cyclictest65850irq/126-lan19:20:153
20432991817,1cyclictest65850irq/126-lan22:10:163
20432991817,1cyclictest65850irq/126-lan21:25:173
20432991817,1cyclictest65850irq/126-lan20:45:193
20432991817,1cyclictest65850irq/126-lan20:30:143
20432991817,1cyclictest65850irq/126-lan00:03:233
20432991717,0cyclictest65850irq/126-lan23:55:223
20432991717,0cyclictest65850irq/126-lan22:50:223
20432991717,0cyclictest65850irq/126-lan22:35:143
20432991717,0cyclictest65850irq/126-lan22:25:003
20432991717,0cyclictest65850irq/126-lan20:26:063
20432991717,0cyclictest65850irq/126-lan00:17:593
20432991716,1cyclictest65850irq/126-lan23:45:183
20432991716,1cyclictest65850irq/126-lan23:30:223
20432991716,1cyclictest65850irq/126-lan23:25:063
20432991716,1cyclictest65850irq/126-lan23:05:183
20432991716,1cyclictest65850irq/126-lan22:55:193
20432991716,1cyclictest65850irq/126-lan21:05:203
20432991716,1cyclictest65850irq/126-lan21:00:143
20432991716,1cyclictest65850irq/126-lan20:35:153
20432991716,1cyclictest65850irq/126-lan19:45:223
20432991616,0cyclictest65850irq/126-lan23:20:163
20432991615,1cyclictest65850irq/126-lan23:50:103
20432991615,1cyclictest65850irq/126-lan23:35:153
20432991615,1cyclictest65850irq/126-lan23:10:163
20432991615,1cyclictest65850irq/126-lan23:10:153
20432991615,1cyclictest65850irq/126-lan22:45:213
20432991615,1cyclictest65850irq/126-lan20:55:203
20432991615,1cyclictest65850irq/126-lan20:12:313
20432991615,1cyclictest65850irq/126-lan19:30:123
20432991615,1cyclictest65850irq/126-lan00:10:203
20432991515,0cyclictest65850irq/126-lan20:40:193
20432991515,0cyclictest65850irq/126-lan20:15:153
20432991514,1cyclictest65850irq/126-lan22:30:233
20432991514,1cyclictest65850irq/126-lan22:00:213
20432991514,1cyclictest65850irq/126-lan21:55:193
20432991514,1cyclictest65850irq/126-lan21:40:163
20432991514,1cyclictest65850irq/126-lan20:50:193
20432991514,1cyclictest65850irq/126-lan20:20:123
20432991514,1cyclictest65850irq/126-lan20:03:283
20432991414,0cyclictest65850irq/126-lan23:40:183
20432991413,1cyclictest65850irq/126-lan21:45:183
20432991413,1cyclictest65850irq/126-lan21:35:053
20432991413,1cyclictest65850irq/126-lan19:55:073
20432991413,1cyclictest65850irq/126-lan19:25:223
20432991413,1cyclictest65850irq/126-lan00:34:323
20432991313,0cyclictest65850irq/126-lan23:15:133
20432991313,0cyclictest65850irq/126-lan23:00:143
20432991313,0cyclictest65850irq/126-lan21:30:173
20432991313,0cyclictest65850irq/126-lan19:10:203
20432991312,1cyclictest65850irq/126-lan22:20:123
20432991312,1cyclictest65850irq/126-lan22:05:163
20432991312,1cyclictest65850irq/126-lan19:50:163
20432991312,1cyclictest65850irq/126-lan00:25:173
20432991212,0cyclictest65850irq/126-lan20:05:093
20432991212,0cyclictest65850irq/126-lan19:40:113
20432991211,1cyclictest65850irq/126-lan21:22:483
20432991111,0cyclictest65850irq/126-lan21:13:053
20432991110,1cyclictest65850irq/126-lan19:15:193
2042499108,1cyclictest743-21snmpd21:39:302
204329998,1cyclictest65850irq/126-lan21:15:123
204229998,1cyclictest743-21snmpd21:09:101
204229998,1cyclictest743-21snmpd20:53:161
204189998,1cyclictest743-21snmpd19:18:340
204329987,1cyclictest65850irq/126-lan00:25:003
204249988,0cyclictest743-21snmpd23:41:302
204249988,0cyclictest743-21snmpd23:21:432
204249988,0cyclictest741-21lldpd23:16:072
204249987,1cyclictest743-21snmpd20:05:592
204249987,1cyclictest522-21avahi-daemon00:06:112
204249987,1cyclictest18616-21fschecks_count23:00:142
204249986,2cyclictest743-21snmpd22:31:142
204249986,2cyclictest743-21snmpd22:28:342
204249986,2cyclictest743-21snmpd20:51:252
204249986,2cyclictest743-21snmpd19:21:122
204229988,0cyclictest743-21snmpd23:06:451
204229988,0cyclictest743-21snmpd20:55:581
204229988,0cyclictest741-21lldpd23:10:371
204229988,0cyclictest741-21lldpd23:10:361
204229988,0cyclictest741-21lldpd22:15:161
204229988,0cyclictest741-21lldpd00:36:501
204229988,0cyclictest741-21lldpd00:17:161
204229987,1cyclictest743-21snmpd22:39:051
204229987,1cyclictest743-21snmpd19:38:341
204229987,1cyclictest743-21snmpd00:28:391
204229987,1cyclictest741-21lldpd23:27:201
204229986,2cyclictest743-21snmpd20:23:121
204229986,2cyclictest743-21snmpd20:11:231
204229986,2cyclictest743-21snmpd19:25:041
204229986,2cyclictest743-21snmpd19:19:221
204229986,2cyclictest21823-21cat20:30:151
204189988,0cyclictest743-21snmpd22:04:210
204189988,0cyclictest741-21lldpd22:46:460
204189988,0cyclictest741-21lldpd22:33:360
204189988,0cyclictest741-21lldpd00:21:160
204189988,0cyclictest506-21systemd-resolve19:10:180
204189987,1cyclictest743-21snmpd21:47:130
204189987,1cyclictest741-21lldpd23:57:360
204189986,2cyclictest743-21snmpd22:19:340
204189986,2cyclictest743-21snmpd21:51:550
204189986,2cyclictest743-21snmpd21:04:050
204189986,2cyclictest743-21snmpd19:51:500
204189986,2cyclictest743-21snmpd00:18:170
204189986,2cyclictest743-21snmpd00:11:320
204189986,2cyclictest717-21ntpd23:50:080
204189986,2cyclictest717-21ntpd23:45:440
204189986,2cyclictest717-21ntpd23:40:350
204189986,2cyclictest717-21ntpd23:23:440
204189986,2cyclictest717-21ntpd23:05:540
204189986,2cyclictest717-21ntpd22:35:270
204189986,2cyclictest717-21ntpd21:26:430
204189986,2cyclictest717-21ntpd21:10:330
204189986,2cyclictest717-21ntpd21:05:580
204189986,2cyclictest717-21ntpd20:41:400
204189986,2cyclictest717-21ntpd20:35:270
204189986,2cyclictest717-21ntpd20:31:190
204189986,2cyclictest717-21ntpd20:10:040
204189986,2cyclictest717-21ntpd20:05:410
204189986,2cyclictest717-21ntpd20:00:330
204189986,2cyclictest717-21ntpd19:30:520
204329976,1cyclictest65850irq/126-lan22:15:193
204249977,0cyclictest743-21snmpd22:39:232
204249977,0cyclictest743-21snmpd20:03:122
204249977,0cyclictest741-21lldpd23:25:102
204249977,0cyclictest741-21lldpd21:45:082
204249977,0cyclictest741-21lldpd21:42:032
204249977,0cyclictest741-21lldpd21:06:282
204249977,0cyclictest741-21lldpd20:31:512
204249977,0cyclictest741-21lldpd19:57:182
204249977,0cyclictest741-21lldpd00:14:472
204249976,1cyclictest743-21snmpd20:43:042
204249976,1cyclictest24377-21cron19:20:012
204249975,2cyclictest743-21snmpd21:26:082
204249975,2cyclictest743-21snmpd19:47:082
204249975,2cyclictest743-21snmpd00:01:052
204249973,3cyclictest244-20systemd-journal20:35:212
204249973,3cyclictest19913-21memory20:25:142
204229977,0cyclictest743-21snmpd23:21:371
204229977,0cyclictest741-21lldpd22:45:181
204229977,0cyclictest741-21lldpd21:15:481
204229977,0cyclictest741-21lldpd19:57:391
204229976,1cyclictest743-21snmpd23:47:111
204229976,1cyclictest743-21snmpd23:35:431
204229976,1cyclictest743-21snmpd21:46:371
204229976,1cyclictest743-21snmpd21:24:421
204229976,1cyclictest743-21snmpd20:09:261
204229975,2cyclictest743-21snmpd23:16:491
204229975,2cyclictest743-21snmpd22:14:001
204229975,2cyclictest743-21snmpd22:04:131
204229975,2cyclictest743-21snmpd21:32:421
204229975,2cyclictest743-21snmpd00:09:231
204229973,3cyclictest16674-21fw_packets22:55:131
204189977,0cyclictest743-21snmpd22:50:390
204189977,0cyclictest743-21snmpd22:21:080
204189977,0cyclictest741-21lldpd23:15:170
204189977,0cyclictest741-21lldpd22:14:040
204189977,0cyclictest741-21lldpd22:09:180
204189977,0cyclictest741-21lldpd00:32:130
204189977,0cyclictest741-21lldpd00:27:400
204189976,1cyclictest717-21ntpd21:24:180
204189975,2cyclictest743-21snmpd00:02:400
204189972,4cyclictest967-21cat21:00:000
204249966,0cyclictest743-21snmpd22:57:262
204249966,0cyclictest743-21snmpd19:38:042
204249966,0cyclictest741-21lldpd23:10:172
204249966,0cyclictest741-21lldpd23:10:162
204249966,0cyclictest741-21lldpd22:12:192
204249966,0cyclictest741-21lldpd22:02:002
204249966,0cyclictest741-21lldpd21:34:562
204249966,0cyclictest522-21avahi-daemon00:16:592
204249965,1cyclictest743-21snmpd22:54:422
204249965,1cyclictest743-21snmpd20:45:552
204249964,2cyclictest743-21snmpd23:33:552
204249964,2cyclictest743-21snmpd22:22:052
204249964,2cyclictest743-21snmpd19:26:172
204249964,2cyclictest743-21snmpd00:24:272
204249962,4cyclictest244-20systemd-journal00:28:012
204249962,3cyclictest17895-21memory20:20:142
204229966,0cyclictest743-21snmpd22:20:261
204229966,0cyclictest743-21snmpd19:41:311
204229966,0cyclictest741-21lldpd23:55:161
204229966,0cyclictest741-21lldpd23:41:031
204229966,0cyclictest741-21lldpd23:31:301
204229966,0cyclictest741-21lldpd21:57:271
204229966,0cyclictest522-21avahi-daemon23:50:071
204229966,0cyclictest522-21avahi-daemon19:51:381
204229965,1cyclictest743-21snmpd00:23:271
204229965,1cyclictest741-21lldpd00:02:581
204229965,1cyclictest5457-21gltestperf21:10:111
204229964,2cyclictest743-21snmpd00:11:531
204229963,2cyclictest14669-21grep22:50:141
204189966,0cyclictest743-21snmpd22:41:590
204189966,0cyclictest741-21lldpd20:26:140
204189964,2cyclictest743-21snmpd00:05:530
204189964,2cyclictest18858-21cat23:00:140
204189962,3cyclictest28675-21sed20:45:210
204189961,4cyclictest31241-21cat20:55:010
204249955,0cyclictest743-21snmpd21:19:212
204249955,0cyclictest741-21lldpd19:12:542
204249955,0cyclictest5165-21sed19:50:122
204249954,1cyclictest5651-21needreboot23:45:162
204249954,1cyclictest522-21avahi-daemon22:46:142
204249953,2cyclictest743-21snmpd21:24:142
204249953,2cyclictest743-21snmpd19:32:142
204249952,2cyclictest24025-21smartctl00:30:132
204249952,2cyclictest1845-21sed19:40:192
204249952,2cyclictest1157-21pmu-power22:15:212
204249951,3cyclictest20785-21head23:05:142
204249951,3cyclictest17033-21cat20:19:562
204249950,4cyclictest11077-21ntpq22:40:152
204229955,0cyclictest741-21lldpd19:21:191
204229955,0cyclictest522-21avahi-daemon21:40:581
204229955,0cyclictest2862-21cpuspeed_turbos19:45:141
204229954,1cyclictest743-21snmpd19:10:371
204229954,1cyclictest27507-21cpuspeed_turbos20:45:131
204229953,2cyclictest743-21snmpd22:27:131
204229952,3cyclictest0-21swapper/122:10:011
204229952,2cyclictest16106-21ld20:15:181
204229950,2cyclictest12142-21cat22:45:011
204189955,0cyclictest743-21snmpd19:55:530
204189955,0cyclictest522-21avahi-daemon19:23:240
204189954,1cyclictest743-21snmpd23:11:480
204189954,1cyclictest743-21snmpd23:11:470
204189954,1cyclictest743-21snmpd20:16:240
204189954,1cyclictest741-21lldpd19:46:440
204189954,1cyclictest6030-21turbostat.cron22:30:010
204189954,1cyclictest31208-21cpuspeed_turbos19:35:110
204189953,2cyclictest743-21snmpd23:36:220
204189953,2cyclictest743-21snmpd21:41:470
204189953,2cyclictest717-21ntpd21:30:100
204189953,2cyclictest557-21NetworkManager20:20:160
204189953,2cyclictest27038-21sed19:25:140
204189952,2cyclictest15954-21ld21:35:170
204189951,3cyclictest26718-21sed00:35:220
204189950,4cyclictest30106-21ntpq23:25:150
204249943,1cyclictest23361-21cpuspeed_turbos21:55:112
204249943,1cyclictest0-21swapper/220:55:142
204249942,2cyclictest29081-21pluginstate22:05:182
204249941,2cyclictest9149-21expr23:55:132
204249941,2cyclictest5311-21grep21:10:102
204249940,4cyclictest1941-21ntpq21:00:172
204249940,3cyclictest7207-21diskstats23:50:112
204249940,3cyclictest26509-21ntpq00:35:202
204249940,3cyclictest21446-21diskstats21:50:132
204249940,3cyclictest1148-21df23:35:132
204229942,2cyclictest15471-21cut21:35:131
204229941,3cyclictest18521-21cut23:00:111
204229941,2cyclictest9349-21tr20:00:111
204229941,2cyclictest6310-21wc22:30:131
204229941,2cyclictest29362-21cut19:30:131
204229941,2cyclictest1650-21cut21:00:151
204229940,4cyclictest20126-21ntpq20:25:161
204229940,3cyclictest25686-21perl20:40:111
204229940,3cyclictest23796-21df00:30:101
204229940,3cyclictest23556-21diskstats20:35:111
204229940,3cyclictest11366-21fschecks_count21:25:121
204189942,2cyclictest7490-21sed21:15:130
204189942,0cyclictest0-21swapper/021:59:210
204189941,2cyclictest16941-21grep22:55:150
204189940,3cyclictest944-21diskstats19:40:120
204189940,3cyclictest32175-21ntpq23:30:180
204249930,2cyclictest13336-21/usr/sbin/munin20:10:122
204229930,2cyclictest21277-21/usr/sbin/munin21:50:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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