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2026-05-14 - 22:55

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 the highest latencies:
System rack8slot6s.osadl.org (updated Thu May 14, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30637991918,1cyclictest65850irq/126-lan10:25:031
30637991918,1cyclictest65850irq/126-lan09:50:091
30637991818,0cyclictest65850irq/126-lan08:05:131
30637991818,0cyclictest65850irq/126-lan07:45:161
30637991817,1cyclictest65850irq/126-lan08:25:211
30637991817,1cyclictest65850irq/126-lan07:38:391
30637991817,1cyclictest65850irq/126-lan07:30:151
30637991817,1cyclictest65850irq/126-lan07:20:161
30637991717,0cyclictest65850irq/126-lan12:15:201
30637991717,0cyclictest65850irq/126-lan11:55:201
30637991717,0cyclictest65850irq/126-lan11:05:171
30637991717,0cyclictest65850irq/126-lan10:45:181
30637991717,0cyclictest65850irq/126-lan09:10:311
30637991717,0cyclictest65850irq/126-lan08:45:121
30637991716,1cyclictest65850irq/126-lan11:20:191
30637991716,1cyclictest65850irq/126-lan10:50:141
30637991716,1cyclictest65850irq/126-lan10:15:001
30637991716,1cyclictest65850irq/126-lan09:55:161
30637991716,1cyclictest65850irq/126-lan09:25:141
30637991616,0cyclictest65850irq/126-lan11:12:431
30637991616,0cyclictest65850irq/126-lan09:45:211
30637991616,0cyclictest65850irq/126-lan09:00:191
30637991616,0cyclictest65850irq/126-lan07:25:161
30637991615,1cyclictest65850irq/126-lan11:50:121
30637991615,1cyclictest65850irq/126-lan11:35:201
30637991615,1cyclictest65850irq/126-lan11:30:001
30637991615,1cyclictest65850irq/126-lan10:56:321
30637991615,1cyclictest65850irq/126-lan10:15:121
30637991615,1cyclictest65850irq/126-lan10:05:111
30637991615,1cyclictest65850irq/126-lan08:50:121
30637991615,1cyclictest65850irq/126-lan08:34:591
30637991615,1cyclictest65850irq/126-lan07:55:191
30637991515,0cyclictest65850irq/126-lan11:15:461
30637991515,0cyclictest65850irq/126-lan10:20:121
30637991515,0cyclictest65850irq/126-lan08:55:181
30637991514,1cyclictest65850irq/126-lan11:30:151
30637991514,1cyclictest65850irq/126-lan10:45:001
30637991514,1cyclictest65850irq/126-lan10:00:111
30637991514,1cyclictest65850irq/126-lan09:15:181
30637991514,1cyclictest65850irq/126-lan08:40:211
30637991514,1cyclictest65850irq/126-lan08:15:371
30637991514,1cyclictest65850irq/126-lan08:00:101
30637991514,1cyclictest65850irq/126-lan07:50:161
30637991414,0cyclictest65850irq/126-lan12:25:511
30637991414,0cyclictest65850irq/126-lan12:00:151
30637991414,0cyclictest65850irq/126-lan09:30:331
30637991414,0cyclictest65850irq/126-lan08:35:141
30637991414,0cyclictest65850irq/126-lan07:40:361
30637991414,0cyclictest65850irq/126-lan07:15:101
30637991413,1cyclictest65850irq/126-lan10:35:191
30637991313,0cyclictest65850irq/126-lan12:05:491
30637991313,0cyclictest65850irq/126-lan09:40:351
30637991313,0cyclictest65850irq/126-lan07:14:591
30637991312,1cyclictest65850irq/126-lan12:10:161
30637991212,0cyclictest65850irq/126-lan08:10:091
30637991211,1cyclictest65850irq/126-lan12:35:151
30637991211,1cyclictest65850irq/126-lan12:24:431
30637991211,1cyclictest65850irq/126-lan09:20:121
30637991111,0cyclictest65850irq/126-lan11:00:161
30637991110,1cyclictest65850irq/126-lan09:35:001
30637991110,1cyclictest65850irq/126-lan09:05:161
3063799109,1cyclictest65850irq/126-lan11:49:431
30637991010,0cyclictest65850irq/126-lan12:31:351
30637991010,0cyclictest65850irq/126-lan11:40:121
30637991010,0cyclictest65850irq/126-lan08:20:161
306469998,1cyclictest743-21snmpd11:54:463
306469998,1cyclictest743-21snmpd08:37:373
306469998,1cyclictest743-21snmpd07:50:543
306429998,1cyclictest743-21snmpd09:54:062
306429998,1cyclictest743-21snmpd09:04:072
306429998,1cyclictest29705-21needreboot12:20:152
306339998,1cyclictest743-21snmpd11:53:190
306339998,1cyclictest743-21snmpd11:14:230
306339998,1cyclictest743-21snmpd09:51:570
306339998,1cyclictest743-21snmpd09:49:540
306339998,1cyclictest741-21lldpd07:14:580
306339998,1cyclictest522-21avahi-daemon07:44:030
306469988,0cyclictest743-21snmpd11:23:203
306469988,0cyclictest743-21snmpd09:34:023
306469988,0cyclictest741-21lldpd10:21:423
306469988,0cyclictest741-21lldpd09:43:313
306469988,0cyclictest741-21lldpd09:17:053
306469987,1cyclictest743-21snmpd08:14:033
306469987,1cyclictest743-21snmpd08:01:023
306469986,2cyclictest743-21snmpd07:29:373
306429988,0cyclictest743-21snmpd11:51:582
306429988,0cyclictest743-21snmpd11:12:092
306429988,0cyclictest743-21snmpd10:45:412
306429988,0cyclictest743-21snmpd10:44:142
306429988,0cyclictest743-21snmpd10:19:012
306429988,0cyclictest741-21lldpd12:10:572
306429988,0cyclictest741-21lldpd08:25:092
306429988,0cyclictest741-21lldpd07:55:492
306429987,1cyclictest888-21fschecks_count12:30:112
306429987,1cyclictest743-21snmpd08:18:332
306429987,1cyclictest741-21lldpd11:33:342
306429987,1cyclictest506-21systemd-resolve09:15:042
306429986,2cyclictest743-21snmpd12:37:062
306429986,2cyclictest743-21snmpd12:02:132
306429986,2cyclictest743-21snmpd08:12:222
306429984,3cyclictest18925-21apt-get11:55:122
306429983,4cyclictest244-20systemd-journal08:20:042
306379987,1cyclictest65850irq/126-lan10:30:121
306339988,0cyclictest743-21snmpd10:10:160
306339988,0cyclictest743-21snmpd08:28:130
306339988,0cyclictest741-21lldpd10:57:410
306339988,0cyclictest741-21lldpd09:20:030
306339988,0cyclictest741-21lldpd07:38:540
306339987,1cyclictest743-21snmpd12:31:360
306339987,1cyclictest743-21snmpd08:39:540
306339986,2cyclictest743-21snmpd09:35:530
306339986,2cyclictest743-21snmpd07:22:320
306469977,0cyclictest743-21snmpd08:42:193
306469977,0cyclictest741-21lldpd11:43:163
306469977,0cyclictest741-21lldpd10:56:323
306469977,0cyclictest741-21lldpd10:10:013
306469977,0cyclictest741-21lldpd09:37:073
306469977,0cyclictest522-21avahi-daemon08:23:003
306469976,1cyclictest743-21snmpd11:11:033
306469976,1cyclictest522-21avahi-daemon09:29:563
306469976,1cyclictest522-21avahi-daemon07:49:063
306469975,2cyclictest743-21snmpd10:04:163
306469973,3cyclictest837-21df12:30:103
306469972,4cyclictest16746-21cat11:50:003
306429977,0cyclictest743-21snmpd12:08:412
306429977,0cyclictest743-21snmpd10:39:312
306429977,0cyclictest743-21snmpd08:49:492
306429977,0cyclictest743-21snmpd07:23:382
306429977,0cyclictest741-21lldpd12:15:292
306429977,0cyclictest741-21lldpd11:35:322
306429977,0cyclictest741-21lldpd10:02:152
306429976,1cyclictest743-21snmpd10:31:402
306429976,1cyclictest743-21snmpd10:11:522
306429976,1cyclictest743-21snmpd08:40:192
306429976,1cyclictest522-21avahi-daemon11:05:222
306429975,2cyclictest826-21cat08:35:152
306429975,2cyclictest743-21snmpd08:55:592
306429973,3cyclictest19507-21ntpq08:00:152
306339977,0cyclictest743-21snmpd12:10:580
306339977,0cyclictest743-21snmpd11:46:070
306339977,0cyclictest741-21lldpd12:37:270
306339977,0cyclictest741-21lldpd12:20:570
306339977,0cyclictest741-21lldpd12:03:590
306339977,0cyclictest741-21lldpd10:22:240
306339977,0cyclictest741-21lldpd10:03:510
306339977,0cyclictest741-21lldpd08:52:210
306339977,0cyclictest741-21lldpd08:24:070
306339977,0cyclictest522-21avahi-daemon12:15:420
306339976,1cyclictest743-21snmpd08:42:160
306339976,1cyclictest522-21avahi-daemon11:35:110
306339976,1cyclictest522-21avahi-daemon10:05:170
306339976,1cyclictest522-21avahi-daemon09:43:080
306339976,1cyclictest522-21avahi-daemon08:30:170
306339976,1cyclictest4934-21cpuspeed_turbos08:45:110
306339975,2cyclictest743-21snmpd10:54:320
306339975,2cyclictest743-21snmpd07:30:470
306339973,3cyclictest17490-21ntp_states07:55:170
306469966,0cyclictest743-21snmpd07:41:203
306469966,0cyclictest741-21lldpd07:13:113
306469966,0cyclictest590-21gmain10:54:503
306469966,0cyclictest522-21avahi-daemon08:57:393
306469965,1cyclictest743-21snmpd11:31:213
306469965,1cyclictest743-21snmpd11:05:223
306469965,1cyclictest743-21snmpd09:05:023
306469965,1cyclictest741-21lldpd09:03:113
306469965,1cyclictest522-21avahi-daemon09:55:363
306469965,1cyclictest506-21systemd-resolve10:08:163
306469965,1cyclictest506-21systemd-resolve09:49:113
306469964,2cyclictest743-21snmpd10:36:343
306469964,2cyclictest743-21snmpd09:54:103
306469964,2cyclictest25365-21head12:10:143
306469963,3cyclictest31353-21fw_forwarded_lo12:25:123
306469962,4cyclictest557-21NetworkManager11:26:413
306469962,3cyclictest2990-21fw_conntrack12:35:143
306429966,0cyclictest741-21lldpd11:48:412
306429966,0cyclictest741-21lldpd08:08:592
306429966,0cyclictest522-21avahi-daemon07:53:572
306429966,0cyclictest522-21avahi-daemon07:38:312
306429966,0cyclictest30627-21cyclictest09:05:122
306429964,2cyclictest743-21snmpd11:02:232
306429964,2cyclictest743-21snmpd09:28:122
306429964,2cyclictest743-21snmpd09:21:352
306429963,2cyclictest244-20systemd-journal07:25:162
306429961,2cyclictest4137-21cat11:20:002
306339966,0cyclictest743-21snmpd11:56:480
306339966,0cyclictest741-21lldpd11:30:480
306339966,0cyclictest741-21lldpd09:33:150
306339965,1cyclictest743-21snmpd10:45:050
306339965,1cyclictest743-21snmpd09:18:320
306339965,1cyclictest522-21avahi-daemon11:03:490
306339965,1cyclictest25129-21cat08:15:120
306339964,2cyclictest9307-21cat08:55:140
306339964,2cyclictest743-21snmpd12:07:350
306339964,2cyclictest12994-21tr11:40:110
306339962,3cyclictest11478-21wc09:00:160
306469955,0cyclictest741-21lldpd11:15:203
306469955,0cyclictest522-21avahi-daemon08:34:543
306469954,1cyclictest743-21snmpd12:07:383
306469954,1cyclictest743-21snmpd07:55:533
306469953,2cyclictest743-21snmpd12:03:283
306469953,2cyclictest743-21snmpd10:48:233
306469953,2cyclictest557-21NetworkManager07:30:213
306469953,2cyclictest19065-21cpuspeed_turbos09:20:123
306469952,3cyclictest557-21NetworkManager07:20:493
306469952,3cyclictest25408-21ntpq08:15:133
306469952,2cyclictest244-20systemd-journal08:46:023
306469952,2cyclictest21757-21sed10:45:003
306469951,3cyclictest244-20systemd-journal11:55:103
306469950,4cyclictest9918-21ntpq10:15:163
306469950,4cyclictest29609-21ntpq08:25:193
306429955,0cyclictest741-21lldpd10:09:162
306429955,0cyclictest741-21lldpd09:49:252
306429955,0cyclictest522-21avahi-daemon08:33:532
306429955,0cyclictest506-21systemd-resolve11:21:142
306429954,1cyclictest743-21snmpd09:57:522
306429954,1cyclictest522-21avahi-daemon09:13:512
306429953,2cyclictest24950-21ntpq10:50:152
306429953,2cyclictest12849-21apt-get11:40:112
306429952,3cyclictest557-21NetworkManager10:28:382
306429952,3cyclictest28353-21ntpq09:40:182
306429951,4cyclictest557-21NetworkManager11:25:572
306429951,3cyclictest2163-21seq07:19:522
306429950,4cyclictest6745-21fschecks_time07:30:112
306429950,2cyclictest24767-21latency_hist09:35:002
306339955,0cyclictest741-21lldpd09:56:470
306339955,0cyclictest741-21lldpd09:10:160
306339955,0cyclictest741-21lldpd08:02:480
306339955,0cyclictest522-21avahi-daemon10:39:150
306339954,1cyclictest743-21snmpd08:08:160
306339954,1cyclictest743-21snmpd07:50:210
306339952,2cyclictest6394-21cut07:30:010
306339952,2cyclictest30390-21apt-config11:05:000
306339952,2cyclictest2618-21gltestperf11:15:130
306339952,2cyclictest23974-21unixbench_multi08:10:190
306339952,2cyclictest14259-21grep09:05:200
306339951,3cyclictest15942-21grep10:30:160
306339951,3cyclictest14527-21cat07:49:590
306339950,4cyclictest13417-21df_inode10:25:130
306469943,1cyclictest2048-21kworker/3:0-events12:20:063
306469943,1cyclictest0-21swapper/307:35:153
306469942,2cyclictest743-21snmpd10:33:013
306469942,2cyclictest21030-21grep08:05:143
306469942,2cyclictest10997-21sort11:35:113
306469941,3cyclictest26999-21apt-get12:15:113
306469941,2cyclictest494-21grep07:15:123
306469941,2cyclictest29261-21mailstats11:00:203
306469941,2cyclictest15337-21smartctl09:10:153
306469941,2cyclictest13463-21cut10:25:133
306469940,3cyclictest7163-21fw_forwarded_lo08:50:133
306429943,1cyclictest12803-21kworker/2:2+events_freezable_pwr_efficient08:51:322
306429943,1cyclictest12803-21kworker/2:2+events_freezable_pwr_efficient07:45:372
306429942,2cyclictest743-21snmpd10:22:152
306429941,3cyclictest25792-21head09:35:112
306429941,2cyclictest31400-21grep12:25:122
306429941,2cyclictest31249-21if_lan07:10:142
306429941,2cyclictest26189-21cat10:55:122
306429940,3cyclictest11405-21ntpq07:40:172
306339943,1cyclictest30040-21kworker/0:0+events11:20:060
306339943,1cyclictest30040-21kworker/0:0+events07:15:310
306339941,3cyclictest557-21NetworkManager10:15:040
306339941,2cyclictest6854-21wc11:25:130
306339941,2cyclictest21374-21expr09:25:150
306339941,2cyclictest19446-21gpg-connect-age10:40:000
306339940,3cyclictest31228-21diskstats12:25:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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