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2026-03-29 - 18:11

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 Sun Mar 29, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14146991918,1cyclictest65850irq/126-lan10:53:360
14146991818,0cyclictest65850irq/126-lan10:49:380
14146991817,1cyclictest65850irq/126-lan12:15:350
14146991817,1cyclictest65850irq/126-lan10:55:140
14146991817,1cyclictest65850irq/126-lan08:25:120
14146991717,0cyclictest65850irq/126-lan09:00:150
14146991717,0cyclictest65850irq/126-lan08:50:140
14146991717,0cyclictest65850irq/126-lan07:15:000
14146991716,1cyclictest65850irq/126-lan11:05:160
14146991716,1cyclictest65850irq/126-lan10:40:180
14146991716,1cyclictest65850irq/126-lan09:35:140
14146991716,1cyclictest65850irq/126-lan09:30:110
14146991716,1cyclictest65850irq/126-lan08:30:140
14146991716,1cyclictest65850irq/126-lan08:00:130
14146991616,0cyclictest65850irq/126-lan12:05:120
14146991616,0cyclictest65850irq/126-lan12:00:010
14146991616,0cyclictest65850irq/126-lan11:15:110
14146991615,1cyclictest65850irq/126-lan12:10:130
14146991615,1cyclictest65850irq/126-lan09:45:110
14146991615,1cyclictest65850irq/126-lan08:09:470
14146991515,0cyclictest65850irq/126-lan12:20:150
14146991515,0cyclictest65850irq/126-lan11:35:150
14146991515,0cyclictest65850irq/126-lan11:25:140
14146991515,0cyclictest65850irq/126-lan11:00:150
14146991515,0cyclictest65850irq/126-lan08:40:130
14146991515,0cyclictest65850irq/126-lan08:35:230
14146991514,1cyclictest65850irq/126-lan12:35:200
14146991514,1cyclictest65850irq/126-lan12:30:140
14146991514,1cyclictest65850irq/126-lan10:35:120
14146991514,1cyclictest65850irq/126-lan09:15:140
14146991514,1cyclictest65850irq/126-lan07:45:170
14146991514,1cyclictest65850irq/126-lan07:25:130
14146991514,1cyclictest65850irq/126-lan07:20:200
14146991514,1cyclictest65850irq/126-lan07:10:130
14146991414,0cyclictest65850irq/126-lan12:25:200
14146991414,0cyclictest65850irq/126-lan09:29:110
14146991414,0cyclictest65850irq/126-lan08:55:060
14146991414,0cyclictest65850irq/126-lan07:59:220
14146991414,0cyclictest65850irq/126-lan07:40:180
14146991413,1cyclictest65850irq/126-lan09:50:170
14146991413,1cyclictest65850irq/126-lan09:07:370
14146991313,0cyclictest65850irq/126-lan11:51:380
14146991313,0cyclictest65850irq/126-lan11:10:170
14146991313,0cyclictest65850irq/126-lan09:55:570
14146991313,0cyclictest65850irq/126-lan08:20:160
14146991312,1cyclictest65850irq/126-lan11:45:010
14146991312,1cyclictest65850irq/126-lan10:00:110
14146991312,1cyclictest65850irq/126-lan09:20:110
14146991311,2cyclictest65850irq/126-lan08:15:000
14146991212,0cyclictest65850irq/126-lan10:20:170
14146991212,0cyclictest65850irq/126-lan10:18:370
14146991212,0cyclictest65850irq/126-lan08:19:020
14146991212,0cyclictest65850irq/126-lan07:50:120
14146991212,0cyclictest65850irq/126-lan07:35:220
14146991211,1cyclictest65850irq/126-lan11:30:180
14146991211,1cyclictest65850irq/126-lan09:40:180
14146991211,1cyclictest65850irq/126-lan07:30:150
1415299118,3cyclictest743-21snmpd12:25:052
1415299118,3cyclictest743-21snmpd11:01:592
1415299118,3cyclictest743-21snmpd07:45:422
1415299110,9cyclictest27304-21cat10:19:552
14146991111,0cyclictest65850irq/126-lan11:55:140
14146991111,0cyclictest65850irq/126-lan10:10:150
14146991111,0cyclictest65850irq/126-lan08:48:370
14146991110,1cyclictest65850irq/126-lan11:40:150
14146991110,1cyclictest65850irq/126-lan11:20:110
14146991110,1cyclictest65850irq/126-lan10:05:160
1415699109,1cyclictest3073-21sendmail10:40:003
1415299108,2cyclictest741-21lldpd08:43:562
1415299102,6cyclictest21404-21sendmail_mailst07:25:172
1415299102,5cyclictest557-21NetworkManager10:41:172
1415299100,7cyclictest2863-21seq10:37:352
1415299100,6cyclictest23870-21wc08:50:212
1415299100,6cyclictest19815-21ntpq10:00:142
1414699109,1cyclictest65850irq/126-lan10:25:170
141569998,1cyclictest743-21snmpd11:59:353
141569998,1cyclictest743-21snmpd10:28:423
141569998,1cyclictest743-21snmpd08:07:573
141529998,1cyclictest743-21snmpd07:52:002
141529997,2cyclictest741-21lldpd12:36:292
141529997,2cyclictest741-21lldpd12:19:382
141529997,2cyclictest741-21lldpd09:40:002
141529996,3cyclictest743-21snmpd08:10:122
141529996,2cyclictest32695-21fschecks_time11:50:122
141529995,4cyclictest743-21snmpd09:55:582
141529990,6cyclictest5539-21seq12:01:022
141529990,6cyclictest485-21sort07:55:132
141529990,6cyclictest25852-21wc08:55:192
141529990,6cyclictest23842-21chrt11:26:372
141529990,6cyclictest17943-21chrt07:18:172
141529990,6cyclictest16201-21taskset09:52:492
141529990,6cyclictest14710-21grep11:05:222
141529990,6cyclictest14234-21taskset08:27:212
141529990,5cyclictest9375-21runrttasks10:55:102
141529990,5cyclictest9133-21ps12:10:182
141529990,5cyclictest5557-21awk09:25:182
141529990,5cyclictest28780-21wc10:20:192
141529990,5cyclictest25137-21ntpq11:30:182
141529990,5cyclictest23936-21chrt07:32:262
141529990,5cyclictest23887-21ntpq10:10:172
141529990,5cyclictest19572-21sed07:20:192
141529990,5cyclictest12918-21ntpq12:20:142
141529990,4cyclictest17071-21ntpq12:30:182
141529990,4cyclictest11501-21ntpq08:20:162
141509998,1cyclictest743-21snmpd09:05:181
141569988,0cyclictest743-21snmpd07:41:053
141569988,0cyclictest741-21lldpd10:56:453
141569987,1cyclictest743-21snmpd10:48:353
141569987,1cyclictest743-21snmpd10:22:433
141569987,1cyclictest743-21snmpd09:15:503
141569987,1cyclictest743-21snmpd09:02:113
141569987,1cyclictest741-21lldpd10:42:323
141569986,2cyclictest743-21snmpd12:18:423
141569986,2cyclictest743-21snmpd10:50:593
141569986,2cyclictest743-21snmpd09:33:513
141529988,0cyclictest741-21lldpd11:11:412
141529987,1cyclictest743-21snmpd07:40:052
141529981,5cyclictest557-21NetworkManager10:52:342
141529981,5cyclictest28068-21chrt11:39:092
141529981,4cyclictest28283-21chrt09:01:192
141529980,8cyclictest31288-21ntp_states11:45:182
141529980,7cyclictest22313-21chrt08:47:262
141529980,6cyclictest17654-21entropy11:15:112
141529980,5cyclictest7592-21seq09:30:192
141529980,5cyclictest747-21runrttasks11:22:352
141529980,5cyclictest5851-21taskset08:08:582
141529980,5cyclictest32530-21grep10:30:162
141529980,5cyclictest31423-21runrttasks10:29:592
141529980,5cyclictest28936-21wc11:40:162
141529980,5cyclictest225722sleep210:06:272
141529980,5cyclictest2193-21chrt09:19:322
141529980,5cyclictest2058-21taskset11:55:102
141529980,5cyclictest15747-21chrt07:10:592
141529980,5cyclictest10283-21taskset08:18:392
141529980,4cyclictest9372-21ntpq09:35:192
141529980,4cyclictest7530-21sshd12:05:462
141529980,4cyclictest29720-21ntpq09:05:182
141529980,4cyclictest15441-21ntpq08:30:162
141509988,0cyclictest743-21snmpd09:16:591
141509988,0cyclictest743-21snmpd09:03:531
141509988,0cyclictest743-21snmpd08:13:391
141509988,0cyclictest743-21snmpd07:45:441
141509988,0cyclictest741-21lldpd10:21:151
141509988,0cyclictest741-21lldpd09:25:221
141509988,0cyclictest741-21lldpd09:24:371
141509987,1cyclictest743-21snmpd10:52:141
141509986,2cyclictest11138-21cat08:20:141
141509984,3cyclictest506-21systemd-resolve07:20:171
141469988,0cyclictest743-21snmpd10:31:080
141469987,1cyclictest65850irq/126-lan09:10:140
141569977,0cyclictest743-21snmpd09:40:063
141569977,0cyclictest743-21snmpd09:05:483
141569977,0cyclictest741-21lldpd11:30:083
141569977,0cyclictest741-21lldpd08:51:573
141569977,0cyclictest741-21lldpd08:49:083
141569977,0cyclictest741-21lldpd08:43:123
141569977,0cyclictest741-21lldpd08:32:353
141569977,0cyclictest741-21lldpd07:19:393
141569976,1cyclictest743-21snmpd11:18:033
141569976,1cyclictest743-21snmpd07:39:323
141569975,2cyclictest743-21snmpd11:47:563
141569975,2cyclictest743-21snmpd11:21:333
141569975,2cyclictest743-21snmpd10:07:313
141569975,2cyclictest743-21snmpd07:34:393
141529977,0cyclictest522-21avahi-daemon09:13:552
141529976,1cyclictest13242-21needreboot09:45:152
141529970,7cyclictest3236-21ntpq09:20:162
141529970,6cyclictest24720-21fw_forwarded_lo07:35:152
141529970,5cyclictest0-21swapper/210:45:412
141529970,4cyclictest3052-21ntpq08:00:192
141529970,4cyclictest0-21swapper/208:35:122
141509977,0cyclictest743-21snmpd10:57:361
141509977,0cyclictest743-21snmpd08:45:341
141509977,0cyclictest743-21snmpd07:55:571
141509976,1cyclictest8649-21cpuspeed_turbos09:35:131
141509976,1cyclictest743-21snmpd12:01:471
141509976,1cyclictest743-21snmpd11:58:521
141509976,1cyclictest743-21snmpd09:10:501
141509976,1cyclictest741-21lldpd10:07:511
141509976,1cyclictest31933-21fschecks_time10:30:121
141509976,1cyclictest25067-21fschecks_time08:55:121
141509975,2cyclictest743-21snmpd12:20:141
141509975,2cyclictest743-21snmpd11:45:381
141509975,2cyclictest743-21snmpd10:45:021
141509975,2cyclictest743-21snmpd09:40:371
141509973,3cyclictest10029-21cut12:15:001
141569966,0cyclictest743-21snmpd11:36:213
141569966,0cyclictest743-21snmpd10:32:083
141569966,0cyclictest743-21snmpd09:53:073
141569966,0cyclictest743-21snmpd09:20:123
141569966,0cyclictest741-21lldpd09:36:513
141569966,0cyclictest741-21lldpd07:11:263
141569966,0cyclictest522-21avahi-daemon11:50:373
141569966,0cyclictest522-21avahi-daemon08:04:413
141569966,0cyclictest506-21systemd-resolve10:12:053
141569965,1cyclictest743-21snmpd09:56:433
141569965,1cyclictest741-21lldpd10:16:273
141569964,2cyclictest743-21snmpd12:29:363
141569964,2cyclictest743-21snmpd12:08:133
141569964,2cyclictest743-21snmpd10:00:403
141569964,2cyclictest743-21snmpd08:18:523
141569964,2cyclictest743-21snmpd07:50:123
141569963,2cyclictest717-21ntpd07:20:163
141569962,4cyclictest557-21NetworkManager11:09:173
141569961,4cyclictest8140-21cat08:15:003
141509966,0cyclictest743-21snmpd08:07:151
141509966,0cyclictest741-21lldpd08:52:091
141509966,0cyclictest741-21lldpd08:15:251
141509966,0cyclictest522-21avahi-daemon10:12:051
141509966,0cyclictest522-21avahi-daemon09:59:251
141509965,1cyclictest743-21snmpd12:36:571
141509965,1cyclictest743-21snmpd07:10:131
141509964,2cyclictest743-21snmpd08:29:161
141509964,2cyclictest743-21snmpd07:31:181
141509963,3cyclictest557-21NetworkManager08:00:141
141509963,3cyclictest25568-21apt-get10:15:101
141509963,2cyclictest6575-21iwlist12:05:141
141509963,2cyclictest244-20systemd-journal08:40:131
141509963,2cyclictest22382-21apt-get11:25:131
141509963,2cyclictest11441-21dpkg11:00:121
141509962,4cyclictest244-20systemd-journal10:00:421
141509962,3cyclictest6731-21entropy09:30:121
141509962,3cyclictest20240-21fw_forwarded_lo11:20:131
141509962,3cyclictest16536-21fw_conntrack12:30:141
141509962,3cyclictest10456-21fw_forwarded_lo12:15:131
141569955,0cyclictest743-21snmpd11:10:103
141569955,0cyclictest741-21lldpd11:02:423
141569955,0cyclictest522-21avahi-daemon12:37:383
141569955,0cyclictest522-21avahi-daemon08:28:143
141569953,2cyclictest743-21snmpd09:49:123
141569952,2cyclictest29043-21latency07:45:173
141569951,3cyclictest563-21irqstats07:55:133
141569951,3cyclictest4963-21cat09:25:133
141569951,3cyclictest28999-21memory11:40:173
141569951,3cyclictest22135-21cat11:25:013
141509955,0cyclictest743-21snmpd07:44:141
141509955,0cyclictest0-21swapper/111:15:131
141509954,1cyclictest743-21snmpd08:32:371
141509954,1cyclictest743-21snmpd07:17:051
141509954,1cyclictest3435-21cpuspeed_turbos10:40:131
141509952,3cyclictest557-21NetworkManager09:45:111
141509952,2cyclictest460-21uname11:50:141
141509952,2cyclictest32210-21seq07:54:161
141509952,2cyclictest27982-21seq11:38:031
141509952,2cyclictest25469-21wc11:30:231
141509952,2cyclictest25326-21pmu-power07:35:201
141509952,2cyclictest2182-21ldconfig10:35:161
141509952,2cyclictest21450-21switchtime07:25:181
141509952,2cyclictest17974-21grep08:35:231
141509952,2cyclictest15859-21smartctl11:10:141
141509952,2cyclictest15007-21ld12:25:161
141509952,2cyclictest14923-21cut09:50:131
141509951,3cyclictest30085-21cut10:25:141
141509951,3cyclictest29224-21sed11:40:171
141509950,5cyclictest14768-21/usr/sbin/munin11:05:221
141569943,1cyclictest8996-21gcc12:10:173
141569942,2cyclictest743-21snmpd08:20:043
141569942,2cyclictest17003-21ld12:30:173
141569941,2cyclictest17136-21sh08:35:153
141569941,2cyclictest12464-21tune2fs12:20:113
141569940,3cyclictest4985-21ntpq12:00:163
141569940,3cyclictest31652-21ntpq09:10:173
141569940,3cyclictest24975-21diskstats08:55:123
141569940,3cyclictest20549-21df07:25:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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