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2026-06-09 - 01:51

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 Mon Jun 08, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13385991817,1cyclictest65850irq/126-lan09:45:163
13385991817,1cyclictest65850irq/126-lan09:40:113
13385991817,1cyclictest65850irq/126-lan09:25:403
13385991717,0cyclictest65850irq/126-lan10:45:313
13385991717,0cyclictest65850irq/126-lan09:30:303
13385991717,0cyclictest65850irq/126-lan07:35:113
13385991716,1cyclictest65850irq/126-lan12:05:143
13385991716,1cyclictest65850irq/126-lan12:00:153
13385991716,1cyclictest65850irq/126-lan11:55:133
13385991716,1cyclictest65850irq/126-lan11:50:103
13385991716,1cyclictest65850irq/126-lan10:55:223
13385991716,1cyclictest65850irq/126-lan10:50:193
13385991716,1cyclictest65850irq/126-lan10:35:163
13385991716,1cyclictest65850irq/126-lan09:50:203
13385991716,1cyclictest65850irq/126-lan08:10:163
13385991616,0cyclictest65850irq/126-lan09:20:193
13385991616,0cyclictest65850irq/126-lan09:07:123
13385991616,0cyclictest65850irq/126-lan08:40:183
13385991616,0cyclictest65850irq/126-lan08:00:113
13385991616,0cyclictest65850irq/126-lan07:52:143
13385991615,1cyclictest65850irq/126-lan11:15:133
13385991615,1cyclictest65850irq/126-lan11:05:183
13385991615,1cyclictest65850irq/126-lan10:30:173
13385991615,1cyclictest65850irq/126-lan10:20:003
13385991615,1cyclictest65850irq/126-lan09:35:143
13385991615,1cyclictest65850irq/126-lan08:35:183
13385991615,1cyclictest65850irq/126-lan07:25:213
13385991515,0cyclictest65850irq/126-lan12:31:163
13385991515,0cyclictest65850irq/126-lan10:40:313
13385991515,0cyclictest65850irq/126-lan10:05:243
13385991515,0cyclictest65850irq/126-lan10:00:133
13385991515,0cyclictest65850irq/126-lan07:40:193
13385991514,1cyclictest65850irq/126-lan11:45:163
13385991514,1cyclictest65850irq/126-lan11:35:143
13385991514,1cyclictest65850irq/126-lan11:20:163
13385991514,1cyclictest65850irq/126-lan10:10:153
13385991514,1cyclictest65850irq/126-lan08:45:173
13385991514,1cyclictest65850irq/126-lan08:15:143
13385991514,1cyclictest65850irq/126-lan08:05:133
13385991414,0cyclictest65850irq/126-lan12:15:223
13385991414,0cyclictest65850irq/126-lan11:25:183
13385991414,0cyclictest65850irq/126-lan09:10:153
13385991414,0cyclictest65850irq/126-lan08:26:123
13385991413,1cyclictest65850irq/126-lan11:40:123
13385991313,0cyclictest65850irq/126-lan10:25:183
13385991313,0cyclictest65850irq/126-lan08:55:133
13385991313,0cyclictest65850irq/126-lan08:30:143
13385991313,0cyclictest65850irq/126-lan07:10:153
13385991312,1cyclictest65850irq/126-lan11:30:173
13385991312,1cyclictest65850irq/126-lan07:45:123
13385991312,1cyclictest65850irq/126-lan07:30:173
13385991312,1cyclictest65850irq/126-lan07:22:123
13385991212,0cyclictest65850irq/126-lan12:20:563
13385991212,0cyclictest65850irq/126-lan12:10:133
13385991212,0cyclictest65850irq/126-lan09:19:593
13385991212,0cyclictest65850irq/126-lan07:55:003
13385991211,1cyclictest65850irq/126-lan09:55:183
13385991111,0cyclictest65850irq/126-lan08:20:143
13385991111,0cyclictest65850irq/126-lan07:15:183
13385991110,1cyclictest65850irq/126-lan11:11:453
13385991110,1cyclictest65850irq/126-lan11:00:173
1338599109,1cyclictest65850irq/126-lan12:25:163
133859998,1cyclictest65850irq/126-lan12:35:173
133859998,1cyclictest65850irq/126-lan10:20:113
133809998,1cyclictest743-21snmpd12:24:422
133699998,1cyclictest743-21snmpd09:19:140
133859987,1cyclictest65850irq/126-lan09:00:113
133809988,0cyclictest743-21snmpd11:36:342
133809988,0cyclictest743-21snmpd10:59:452
133809988,0cyclictest743-21snmpd10:03:102
133809988,0cyclictest743-21snmpd09:57:532
133809988,0cyclictest741-21lldpd08:17:282
133809987,1cyclictest743-21snmpd07:42:262
133809987,1cyclictest743-21snmpd07:30:332
133809987,1cyclictest743-21snmpd07:21:252
133809986,2cyclictest743-21snmpd12:05:272
133809986,2cyclictest743-21snmpd11:59:072
133809986,2cyclictest743-21snmpd11:03:012
133809986,2cyclictest743-21snmpd10:50:292
133809986,2cyclictest743-21snmpd07:16:442
133749988,0cyclictest743-21snmpd07:46:111
133749988,0cyclictest743-21snmpd07:39:561
133749988,0cyclictest741-21lldpd10:46:011
133749988,0cyclictest741-21lldpd08:04:041
133749987,1cyclictest743-21snmpd10:05:191
133749987,1cyclictest743-21snmpd09:58:231
133749987,1cyclictest743-21snmpd09:12:061
133749987,1cyclictest743-21snmpd07:18:591
133749987,1cyclictest741-21lldpd12:26:521
133749987,1cyclictest741-21lldpd08:09:311
133749986,2cyclictest743-21snmpd11:42:341
133749986,2cyclictest743-21snmpd10:22:221
133749986,2cyclictest743-21snmpd09:08:231
133749986,2cyclictest743-21snmpd08:34:371
133749986,2cyclictest743-21snmpd07:32:321
133699988,0cyclictest743-21snmpd12:20:540
133699988,0cyclictest743-21snmpd10:59:000
133699988,0cyclictest743-21snmpd09:45:390
133699988,0cyclictest741-21lldpd12:36:250
133699988,0cyclictest741-21lldpd08:54:330
133699987,1cyclictest743-21snmpd12:26:500
133699987,1cyclictest743-21snmpd08:30:220
133699987,1cyclictest741-21lldpd11:02:420
133699987,1cyclictest741-21lldpd10:08:360
133699987,1cyclictest522-21avahi-daemon07:52:340
133699986,2cyclictest743-21snmpd11:13:030
133699986,2cyclictest743-21snmpd09:36:060
133699986,2cyclictest743-21snmpd09:14:480
133699986,2cyclictest743-21snmpd08:18:580
133859977,0cyclictest65850irq/126-lan08:50:183
133809977,0cyclictest741-21lldpd12:02:012
133809977,0cyclictest741-21lldpd11:28:332
133809977,0cyclictest741-21lldpd09:46:202
133809977,0cyclictest741-21lldpd09:09:412
133809977,0cyclictest741-21lldpd08:55:422
133809977,0cyclictest741-21lldpd07:11:502
133809976,1cyclictest522-21avahi-daemon12:33:262
133809975,2cyclictest743-21snmpd11:48:322
133809975,2cyclictest743-21snmpd11:05:122
133809975,2cyclictest743-21snmpd09:22:242
133809975,2cyclictest743-21snmpd07:55:002
133809975,2cyclictest23185-21cat11:30:142
133749977,0cyclictest743-21snmpd11:58:461
133749977,0cyclictest743-21snmpd09:15:471
133749977,0cyclictest741-21lldpd10:57:491
133749976,1cyclictest743-21snmpd08:35:561
133749976,1cyclictest741-21lldpd10:54:271
133749976,1cyclictest522-21avahi-daemon11:47:351
133749975,2cyclictest743-21snmpd12:18:451
133749975,2cyclictest743-21snmpd11:21:061
133749975,2cyclictest743-21snmpd11:05:181
133749975,2cyclictest743-21snmpd09:01:501
133749975,2cyclictest743-21snmpd08:58:091
133749975,2cyclictest743-21snmpd08:46:221
133749975,2cyclictest743-21snmpd08:40:161
133699977,0cyclictest743-21snmpd08:07:220
133699977,0cyclictest741-21lldpd11:35:140
133699977,0cyclictest741-21lldpd11:06:210
133699977,0cyclictest741-21lldpd08:20:300
133699977,0cyclictest522-21avahi-daemon10:20:470
133699976,1cyclictest743-21snmpd12:13:020
133699976,1cyclictest743-21snmpd07:41:140
133699976,1cyclictest728-21rs:main0
133699976,1cyclictest522-21avahi-daemon12:19:410
133699976,1cyclictest522-21avahi-daemon07:36:000
133699976,1cyclictest32200-21cut10:35:010
133699975,2cyclictest743-21snmpd11:52:320
133699975,2cyclictest743-21snmpd11:43:400
133699975,2cyclictest743-21snmpd11:33:440
133699975,2cyclictest743-21snmpd11:27:490
133699975,2cyclictest743-21snmpd10:29:320
133699975,2cyclictest743-21snmpd10:19:350
133699975,2cyclictest20464-21cat08:45:130
133809966,0cyclictest743-21snmpd11:22:182
133809966,0cyclictest743-21snmpd10:49:482
133809966,0cyclictest743-21snmpd09:41:552
133809966,0cyclictest741-21lldpd09:01:292
133809966,0cyclictest522-21avahi-daemon09:36:252
133809966,0cyclictest506-21systemd-resolve10:31:302
133809966,0cyclictest1480-21dump-pmu-power09:19:592
133809965,1cyclictest743-21snmpd12:35:522
133809965,1cyclictest743-21snmpd11:19:522
133809965,1cyclictest743-21snmpd10:39:112
133809965,1cyclictest743-21snmpd09:29:222
133809965,1cyclictest743-21snmpd07:35:022
133809965,1cyclictest522-21avahi-daemon07:25:492
133809965,1cyclictest506-21systemd-resolve08:05:322
133809964,2cyclictest743-21snmpd10:05:072
133809962,4cyclictest29056-21tr10:25:152
133809962,3cyclictest30317-21cut09:10:132
133809962,3cyclictest24724-21grep10:15:142
133809962,3cyclictest10360-21cat12:20:012
133809961,5cyclictest557-21NetworkManager11:51:382
133749966,0cyclictest743-21snmpd09:28:551
133749966,0cyclictest741-21lldpd07:41:301
133749965,1cyclictest743-21snmpd12:35:341
133749965,1cyclictest743-21snmpd12:05:301
133749965,1cyclictest743-21snmpd10:33:091
133749965,1cyclictest743-21snmpd09:44:551
133749965,1cyclictest741-21lldpd11:01:061
133749965,1cyclictest573-21in:imuxsock07:25:551
133749965,1cyclictest522-21avahi-daemon10:28:341
133749965,1cyclictest22730-21/usr/sbin/munin11:30:181
133749964,2cyclictest743-21snmpd12:34:041
133749964,2cyclictest743-21snmpd09:46:481
133749964,2cyclictest743-21snmpd08:54:111
133699966,0cyclictest743-21snmpd08:04:300
133699966,0cyclictest743-21snmpd07:58:210
133699966,0cyclictest743-21snmpd07:27:080
133699966,0cyclictest741-21lldpd10:13:070
133699966,0cyclictest741-21lldpd07:49:200
133699966,0cyclictest522-21avahi-daemon11:22:240
133699966,0cyclictest522-21avahi-daemon07:17:250
133699965,1cyclictest743-21snmpd11:55:550
133699965,1cyclictest743-21snmpd08:56:060
133699965,1cyclictest743-21snmpd08:38:520
133699965,1cyclictest18083-21cpuspeed_turbos08:40:130
133699965,1cyclictest0-21swapper/009:55:200
133699964,2cyclictest743-21snmpd10:50:530
133699964,2cyclictest743-21snmpd09:41:340
133699964,2cyclictest743-21snmpd09:30:570
133699964,2cyclictest743-21snmpd09:23:060
133699963,2cyclictest4110-21apt-get10:45:120
133699962,4cyclictest557-21NetworkManager12:34:410
133809955,0cyclictest741-21lldpd12:28:302
133809955,0cyclictest522-21avahi-daemon10:22:572
133809955,0cyclictest506-21systemd-resolve08:44:022
133809954,1cyclictest522-21avahi-daemon08:00:212
133809954,1cyclictest30954-21ntpq07:50:152
133809953,2cyclictest743-21snmpd09:50:482
133809953,2cyclictest421ktimers/210:10:112
133809951,3cyclictest7673-21cut09:35:002
133809951,3cyclictest28471-21seq11:44:102
133749955,0cyclictest743-21snmpd11:36:251
133749955,0cyclictest741-21lldpd09:24:371
133749954,1cyclictest743-21snmpd12:23:001
133749954,1cyclictest522-21avahi-daemon12:14:251
133749954,1cyclictest18325-21ntpq07:20:151
133749954,1cyclictest14684-21gltestperf09:50:121
133749953,2cyclictest743-21snmpd10:42:231
133749953,2cyclictest743-21snmpd09:36:361
133749953,2cyclictest743-21snmpd07:53:581
133749952,2cyclictest956-21wc07:55:211
133749952,2cyclictest20809-21cat11:25:091
133749952,2cyclictest14294-21ntpq07:10:171
133749951,3cyclictest8914-21mailstats08:15:191
133699955,0cyclictest506-21systemd-resolve09:06:020
133699955,0cyclictest29483-21needreboot11:45:170
133699954,1cyclictest4394-21needreboot09:25:150
133699953,2cyclictest557-21NetworkManager08:10:050
133699953,2cyclictest3254-21ldconfig12:00:170
133699952,2cyclictest5224-21ldconfig12:05:180
133699952,2cyclictest366-21grep10:35:140
133699952,2cyclictest26844-21awk09:00:150
133699951,3cyclictest244-20systemd-journal07:10:010
133699951,3cyclictest22705-21sed07:30:200
133699951,3cyclictest18348-21ld07:20:160
133699950,4cyclictest14993-21nfs4_client09:50:140
133809944,0cyclictest0-21swapper/208:45:142
133809943,1cyclictest522-21avahi-daemon10:40:142
133809942,2cyclictest6251-21tail08:10:122
133809942,2cyclictest14222-21grep11:10:112
133809941,2cyclictest22990-21grep08:50:202
133809941,2cyclictest11914-21acpi08:25:112
133809941,2cyclictest10190-21grep08:20:142
133809940,4cyclictest28914-21ntpq07:45:152
133809940,4cyclictest16728-21ntpq08:35:172
133809940,4cyclictest14731-21ntpq08:30:152
133809940,3cyclictest7054-21/usr/sbin/munin12:10:142
133749943,1cyclictest5840-21/usr/sbin/munin08:10:131
133749943,1cyclictest331ktimers/108:25:121
133749943,1cyclictest0-21swapper/112:00:211
133749943,1cyclictest0-21swapper/111:15:131
133749941,2cyclictest5939-21expr09:30:101
133749941,2cyclictest514-21latency10:35:151
133749941,2cyclictest30879-21wc11:50:111
133749941,2cyclictest24377-21apt-get10:15:101
133749941,2cyclictest18801-21irqstats10:00:131
133749941,2cyclictest14670-21kernelversion11:10:131
133749941,2cyclictest10511-21wc08:20:161
133749940,3cyclictest22662-21/usr/sbin/munin10:10:131
133699942,2cyclictest743-21snmpd10:00:040
133699941,2cyclictest12233-21fw_packets08:25:130
133699940,3cyclictest16918-21awk11:15:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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