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2026-05-07 - 11:19

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 Thu May 07, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29642992018,2cyclictest65850irq/126-lan20:12:051
29642991918,1cyclictest65850irq/126-lan19:45:111
29642991916,3cyclictest65850irq/126-lan00:30:151
29642991817,1cyclictest65850irq/126-lan22:41:561
29642991817,1cyclictest65850irq/126-lan21:15:171
29642991817,1cyclictest65850irq/126-lan19:20:111
29642991817,1cyclictest65850irq/126-lan19:10:121
29642991816,2cyclictest65850irq/126-lan20:20:141
29642991816,2cyclictest65850irq/126-lan20:05:171
29642991815,3cyclictest65850irq/126-lan21:45:121
29642991717,0cyclictest65850irq/126-lan22:55:191
29642991716,1cyclictest65850irq/126-lan23:35:181
29642991716,1cyclictest65850irq/126-lan23:15:231
29642991716,1cyclictest65850irq/126-lan20:30:131
29642991716,1cyclictest65850irq/126-lan00:05:151
29642991716,1cyclictest65850irq/126-lan00:00:191
29642991715,2cyclictest65850irq/126-lan21:05:211
29642991616,0cyclictest65850irq/126-lan23:07:081
29642991616,0cyclictest65850irq/126-lan22:23:211
29642991616,0cyclictest65850irq/126-lan21:50:111
29642991616,0cyclictest65850irq/126-lan20:15:131
29642991616,0cyclictest65850irq/126-lan19:30:291
29642991616,0cyclictest65850irq/126-lan00:37:511
29642991615,1cyclictest65850irq/126-lan23:50:131
29642991615,1cyclictest65850irq/126-lan22:30:201
29642991615,1cyclictest65850irq/126-lan22:00:171
29642991615,1cyclictest65850irq/126-lan21:25:171
29642991615,1cyclictest65850irq/126-lan20:25:191
29642991615,1cyclictest65850irq/126-lan00:20:211
29642991614,2cyclictest65850irq/126-lan23:45:181
29642991515,0cyclictest65850irq/126-lan22:05:181
29642991515,0cyclictest65850irq/126-lan20:39:401
29642991515,0cyclictest65850irq/126-lan00:25:111
29642991514,1cyclictest65850irq/126-lan23:20:131
29642991514,1cyclictest65850irq/126-lan22:35:191
29642991514,1cyclictest65850irq/126-lan21:35:121
29642991514,1cyclictest65850irq/126-lan21:22:511
29642991514,1cyclictest65850irq/126-lan20:55:111
29642991514,1cyclictest65850irq/126-lan20:40:211
29642991514,1cyclictest65850irq/126-lan20:00:141
29642991513,2cyclictest65850irq/126-lan23:30:131
29642991513,2cyclictest65850irq/126-lan00:10:191
29642991414,0cyclictest65850irq/126-lan23:00:201
29642991414,0cyclictest65850irq/126-lan21:32:051
29642991414,0cyclictest65850irq/126-lan19:50:101
29642991414,0cyclictest65850irq/126-lan19:37:051
29642991414,0cyclictest65850irq/126-lan19:25:191
29642991413,1cyclictest65850irq/126-lan22:45:111
29642991413,1cyclictest65850irq/126-lan22:25:171
29642991413,1cyclictest65850irq/126-lan21:40:121
29642991413,1cyclictest65850irq/126-lan19:15:141
29642991313,0cyclictest65850irq/126-lan22:10:111
29642991313,0cyclictest65850irq/126-lan21:10:121
29642991312,1cyclictest65850irq/126-lan23:55:111
29642991312,1cyclictest65850irq/126-lan00:15:181
29642991311,2cyclictest65850irq/126-lan19:40:171
29642991212,0cyclictest65850irq/126-lan21:55:211
29642991212,0cyclictest65850irq/126-lan20:45:191
29642991211,1cyclictest65850irq/126-lan23:25:161
29642991210,2cyclictest65850irq/126-lan22:50:191
29642991111,0cyclictest65850irq/126-lan22:19:301
2964299107,3cyclictest741-21lldpd20:50:251
2964299107,3cyclictest741-21lldpd20:50:251
2964299105,2cyclictest32089-21cat23:10:111
2964299103,3cyclictest244-20systemd-journal21:00:211
29642991010,0cyclictest65850irq/126-lan23:40:171
296489998,1cyclictest743-21snmpd00:00:332
296539988,0cyclictest743-21snmpd23:47:173
296539988,0cyclictest743-21snmpd20:14:063
296539988,0cyclictest741-21lldpd21:31:263
296539987,1cyclictest743-21snmpd21:42:033
296539987,1cyclictest743-21snmpd20:31:403
296539987,1cyclictest741-21lldpd23:01:273
296539987,1cyclictest741-21lldpd00:39:473
296539986,2cyclictest743-21snmpd22:49:003
296539986,2cyclictest743-21snmpd22:39:323
296539986,2cyclictest743-21snmpd22:11:453
296539986,2cyclictest743-21snmpd21:48:433
296539986,2cyclictest743-21snmpd21:12:503
296539986,2cyclictest743-21snmpd19:15:593
296539986,2cyclictest743-21snmpd00:11:483
296489988,0cyclictest743-21snmpd22:17:382
296489988,0cyclictest743-21snmpd21:33:272
296489988,0cyclictest743-21snmpd20:47:202
296489988,0cyclictest743-21snmpd19:36:232
296489988,0cyclictest741-21lldpd23:08:012
296489988,0cyclictest741-21lldpd22:30:532
296489988,0cyclictest741-21lldpd20:09:232
296489987,1cyclictest743-21snmpd22:48:182
296489986,2cyclictest743-21snmpd19:30:082
296329988,0cyclictest743-21snmpd22:21:530
296329988,0cyclictest743-21snmpd22:07:130
296329988,0cyclictest743-21snmpd21:06:200
296329988,0cyclictest743-21snmpd00:05:020
296329988,0cyclictest741-21lldpd23:12:010
296329987,1cyclictest743-21snmpd23:56:170
296329987,1cyclictest743-21snmpd23:36:250
296329987,1cyclictest743-21snmpd22:31:140
296329987,1cyclictest522-21avahi-daemon19:30:130
296329986,2cyclictest743-21snmpd20:59:500
296329986,2cyclictest743-21snmpd20:30:220
296329985,3cyclictest743-21snmpd21:58:280
296539977,0cyclictest743-21snmpd23:35:103
296539977,0cyclictest743-21snmpd22:02:343
296539977,0cyclictest741-21lldpd23:30:263
296539977,0cyclictest741-21lldpd22:34:553
296539977,0cyclictest741-21lldpd21:08:313
296539977,0cyclictest741-21lldpd20:39:213
296539977,0cyclictest741-21lldpd19:26:483
296539977,0cyclictest741-21lldpd00:01:543
296539976,1cyclictest743-21snmpd23:56:213
296539976,1cyclictest743-21snmpd23:51:323
296539976,1cyclictest743-21snmpd20:22:103
296539976,1cyclictest743-21snmpd19:49:573
296539976,1cyclictest522-21avahi-daemon20:05:483
296539976,1cyclictest244-20systemd-journal21:29:353
296539975,2cyclictest743-21snmpd23:14:353
296539975,2cyclictest743-21snmpd21:59:023
296539975,2cyclictest743-21snmpd21:35:363
296539975,2cyclictest743-21snmpd21:02:323
296489977,0cyclictest743-21snmpd23:16:072
296489977,0cyclictest743-21snmpd22:43:222
296489977,0cyclictest743-21snmpd20:57:502
296489977,0cyclictest743-21snmpd20:29:492
296489977,0cyclictest743-21snmpd20:02:392
296489977,0cyclictest741-21lldpd23:42:122
296489977,0cyclictest741-21lldpd22:25:122
296489977,0cyclictest741-21lldpd22:22:372
296489977,0cyclictest741-21lldpd21:50:562
296489977,0cyclictest741-21lldpd21:45:342
296489977,0cyclictest741-21lldpd21:20:042
296489977,0cyclictest522-21avahi-daemon23:51:352
296489976,1cyclictest743-21snmpd21:06:572
296489976,1cyclictest522-21avahi-daemon00:35:102
296489975,2cyclictest743-21snmpd23:00:062
296489975,2cyclictest743-21snmpd20:13:002
296489975,2cyclictest743-21snmpd19:29:262
296329977,0cyclictest743-21snmpd23:32:560
296329977,0cyclictest743-21snmpd21:10:500
296329977,0cyclictest743-21snmpd21:00:350
296329977,0cyclictest743-21snmpd19:21:500
296329976,1cyclictest743-21snmpd19:10:290
296329976,1cyclictest522-21avahi-daemon23:45:180
296329976,1cyclictest522-21avahi-daemon21:46:110
296329976,1cyclictest3990-21cpuspeed_turbos19:25:120
296329976,1cyclictest244-20systemd-journal21:53:530
296329976,1cyclictest13151-21ntp_kernel_err19:45:160
296329975,2cyclictest743-21snmpd23:20:280
296329975,2cyclictest743-21snmpd23:05:060
296329975,2cyclictest743-21snmpd22:19:110
296329975,2cyclictest743-21snmpd21:28:460
296329975,2cyclictest743-21snmpd20:06:060
296329975,2cyclictest743-21snmpd00:33:460
296329975,2cyclictest743-21snmpd00:00:120
296539966,0cyclictest743-21snmpd22:40:333
296539966,0cyclictest743-21snmpd20:02:183
296539966,0cyclictest741-21lldpd19:44:303
296539965,1cyclictest743-21snmpd20:42:313
296539965,1cyclictest741-21lldpd19:36:253
296539965,1cyclictest19101-21gltestperf21:20:143
296539964,2cyclictest743-21snmpd23:41:263
296539964,2cyclictest743-21snmpd20:47:353
296539964,2cyclictest743-21snmpd20:29:253
296539964,2cyclictest743-21snmpd19:57:513
296539963,3cyclictest717-21ntpd20:15:123
296489966,0cyclictest743-21snmpd22:50:572
296489966,0cyclictest743-21snmpd20:33:102
296489966,0cyclictest741-21lldpd22:35:232
296489966,0cyclictest741-21lldpd21:26:462
296489966,0cyclictest522-21avahi-daemon21:17:392
296489966,0cyclictest29627-21cyclictest23:45:122
296489965,1cyclictest743-21snmpd19:40:202
296489965,1cyclictest506-21systemd-resolve23:56:512
296489964,2cyclictest743-21snmpd20:20:192
296489964,2cyclictest743-21snmpd00:25:062
296489964,2cyclictest18121-21grep19:55:202
296489962,3cyclictest7725-21fw_forwarded_lo22:10:132
296489961,5cyclictest557-21NetworkManager23:21:312
296329966,0cyclictest743-21snmpd21:20:330
296329966,0cyclictest743-21snmpd00:12:110
296329966,0cyclictest741-21lldpd21:34:440
296329966,0cyclictest522-21avahi-daemon23:15:580
296329966,0cyclictest522-21avahi-daemon20:19:200
296329966,0cyclictest506-21systemd-resolve19:37:110
296329965,1cyclictest743-21snmpd19:42:260
296329965,1cyclictest743-21snmpd00:35:210
296329965,1cyclictest522-21avahi-daemon19:15:250
296329965,1cyclictest29163-21fschecks_count20:25:120
296329964,2cyclictest743-21snmpd20:21:460
296329964,2cyclictest743-21snmpd19:55:330
296329963,3cyclictest557-21NetworkManager22:10:000
296329963,2cyclictest244-20systemd-journal23:00:170
296329962,4cyclictest557-21NetworkManager21:42:540
296329962,4cyclictest557-21NetworkManager20:00:500
296329962,3cyclictest793-21diskstats20:35:120
296329962,3cyclictest22924-21apt-get20:10:120
296539955,0cyclictest743-21snmpd22:25:213
296539955,0cyclictest741-21lldpd22:59:583
296539955,0cyclictest741-21lldpd00:15:073
296539955,0cyclictest522-21avahi-daemon23:16:233
296539954,1cyclictest743-21snmpd19:12:233
296539954,1cyclictest4161-21ntpq23:20:163
296539953,2cyclictest743-21snmpd23:05:093
296539952,3cyclictest6968-21perl20:50:143
296539952,3cyclictest6968-21perl20:50:133
296539952,3cyclictest557-21NetworkManager23:25:103
296539952,2cyclictest2263-21sed19:20:133
296539952,2cyclictest22572-21sed00:05:133
296539952,2cyclictest10949-21cron22:16:593
296539951,3cyclictest5710-21fw_conntrack22:05:113
296489955,0cyclictest743-21snmpd00:16:072
296489955,0cyclictest741-21lldpd23:13:522
296489955,0cyclictest741-21lldpd22:55:062
296489955,0cyclictest522-21avahi-daemon00:34:352
296489954,1cyclictest244-20systemd-journal21:42:532
296489953,2cyclictest743-21snmpd23:39:462
296489953,2cyclictest743-21snmpd21:02:232
296489953,2cyclictest743-21snmpd19:22:092
296489953,2cyclictest743-21snmpd00:11:412
296489952,3cyclictest557-21NetworkManager21:10:092
296489952,3cyclictest557-21NetworkManager19:14:592
296489952,3cyclictest28911-21pmu-power00:20:182
296489952,3cyclictest244-20systemd-journal23:31:332
296489952,2cyclictest6585-21sed23:25:232
296489952,2cyclictest575-21rs:main2
296489952,2cyclictest3927-21sed22:00:162
296489952,2cyclictest244-20systemd-journal20:43:272
296489952,2cyclictest2086-21ld21:55:172
296489952,2cyclictest1244-21seq19:15:292
296489951,3cyclictest918-21fw_forwarded_lo20:35:132
296489951,3cyclictest5601-21grep22:05:112
296429952,3cyclictest17405-21cat19:55:141
296329955,0cyclictest741-21lldpd23:41:380
296329955,0cyclictest741-21lldpd21:37:440
296329955,0cyclictest522-21avahi-daemon22:44:120
296329954,1cyclictest741-21lldpd23:52:260
296329954,1cyclictest4180-21ntpq22:00:170
296329954,0cyclictest0-21swapper/020:45:200
296329953,2cyclictest557-21NetworkManager19:50:160
296329952,3cyclictest557-21NetworkManager00:20:110
296329952,3cyclictest30196-21diskstats00:25:110
296329952,2cyclictest3846-21sed20:40:200
296329951,3cyclictest25891-21fw_conntrack22:55:130
296329951,3cyclictest17322-21wc21:15:150
296329950,4cyclictest24433-21ntpq22:50:160
296539942,2cyclictest24307-21ntp_kernel_err22:50:153
296539941,3cyclictest743-21snmpd20:55:113
296539941,3cyclictest30181-21cut00:25:113
296539941,2cyclictest14658-21chmod19:50:013
296539941,2cyclictest11975-21wc22:20:123
296539940,4cyclictest32180-21cut00:30:123
296539940,4cyclictest28300-21fw_conntrack00:20:133
296539940,3cyclictest32107-21/usr/sbin/munin21:50:163
296489942,2cyclictest7011-21head20:50:142
296489942,2cyclictest7011-21head20:50:132
296489942,2cyclictest557-21NetworkManager21:35:112
296489942,2cyclictest15289-21cat19:50:122
296489941,2cyclictest21907-21seq00:05:042
296489940,4cyclictest25491-21memory20:15:152
296329942,2cyclictest17816-21fw_conntrack22:35:120
296329941,3cyclictest26174-21expr00:15:130
296329941,2cyclictest13576-21wc22:25:110
296329940,3cyclictest6062-21ntpq23:25:170
296329940,3cyclictest244-20systemd-journal22:46:370
296539931,2cyclictest557-21NetworkManager21:15:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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