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2026-05-03 - 02:23

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 376 highest latencies:
System rack8slot6s.osadl.org (updated Sat May 02, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10788991817,1cyclictest65850irq/126-lan11:45:151
10788991716,1cyclictest65850irq/126-lan12:15:001
10788991716,1cyclictest65850irq/126-lan10:20:151
10788991716,1cyclictest65850irq/126-lan10:15:131
10788991716,1cyclictest65850irq/126-lan10:00:201
10788991716,1cyclictest65850irq/126-lan08:30:181
10788991716,1cyclictest65850irq/126-lan07:10:121
10783991717,0cyclictest743-21snmpd10:09:130
10783991717,0cyclictest743-21snmpd09:48:480
10783991716,1cyclictest743-21snmpd10:41:070
10788991616,0cyclictest65850irq/126-lan12:05:141
10788991616,0cyclictest65850irq/126-lan11:50:161
10788991616,0cyclictest65850irq/126-lan11:30:141
10788991616,0cyclictest65850irq/126-lan11:20:131
10788991616,0cyclictest65850irq/126-lan10:05:131
10788991616,0cyclictest65850irq/126-lan09:58:161
10788991616,0cyclictest65850irq/126-lan09:51:541
10788991616,0cyclictest65850irq/126-lan09:25:071
10788991616,0cyclictest65850irq/126-lan08:48:541
10788991616,0cyclictest65850irq/126-lan08:05:211
10788991616,0cyclictest65850irq/126-lan07:31:101
10788991615,1cyclictest65850irq/126-lan10:50:171
10788991615,1cyclictest65850irq/126-lan10:40:101
10788991615,1cyclictest65850irq/126-lan10:35:171
10788991615,1cyclictest65850irq/126-lan10:25:211
10788991615,1cyclictest65850irq/126-lan09:35:161
10788991615,1cyclictest65850irq/126-lan09:00:141
10788991615,1cyclictest65850irq/126-lan07:44:591
10788991615,1cyclictest65850irq/126-lan07:35:211
10783991616,0cyclictest743-21snmpd12:18:410
10783991616,0cyclictest743-21snmpd12:14:260
10783991616,0cyclictest743-21snmpd12:05:040
10783991616,0cyclictest743-21snmpd11:17:090
10783991616,0cyclictest743-21snmpd11:02:170
10783991616,0cyclictest743-21snmpd10:50:230
10783991616,0cyclictest743-21snmpd10:12:130
10783991616,0cyclictest743-21snmpd09:25:350
10783991616,0cyclictest743-21snmpd09:18:590
10783991616,0cyclictest743-21snmpd09:00:490
10783991616,0cyclictest743-21snmpd08:44:360
10783991616,0cyclictest743-21snmpd08:17:080
10783991616,0cyclictest743-21snmpd07:17:470
10783991616,0cyclictest26023-21cat07:45:140
10783991616,0cyclictest2029-21cat12:00:140
10783991616,0cyclictest17857-21cat11:20:140
10788991515,0cyclictest65850irq/126-lan12:20:121
10788991515,0cyclictest65850irq/126-lan11:03:541
10788991515,0cyclictest65850irq/126-lan09:30:161
10788991515,0cyclictest65850irq/126-lan07:25:181
10788991514,1cyclictest65850irq/126-lan11:10:111
10788991514,1cyclictest65850irq/126-lan10:55:131
10788991514,1cyclictest65850irq/126-lan10:45:141
10788991514,1cyclictest65850irq/126-lan10:10:111
10788991514,1cyclictest65850irq/126-lan09:15:131
10788991514,1cyclictest65850irq/126-lan08:55:201
10788991514,1cyclictest65850irq/126-lan08:15:171
10788991514,1cyclictest65850irq/126-lan08:10:211
10783991515,0cyclictest743-21snmpd12:34:240
10783991515,0cyclictest743-21snmpd11:39:220
10783991515,0cyclictest743-21snmpd11:05:180
10783991515,0cyclictest743-21snmpd10:59:320
10783991515,0cyclictest743-21snmpd10:21:160
10783991515,0cyclictest743-21snmpd10:01:180
10783991515,0cyclictest743-21snmpd09:30:140
10783991515,0cyclictest743-21snmpd09:24:050
10783991515,0cyclictest743-21snmpd08:30:450
10783991515,0cyclictest743-21snmpd08:23:020
10783991515,0cyclictest743-21snmpd08:06:440
10783991515,0cyclictest743-21snmpd07:57:470
10783991515,0cyclictest743-21snmpd07:20:030
10783991515,0cyclictest25923-21cat11:40:150
10788991414,0cyclictest65850irq/126-lan12:35:151
10788991414,0cyclictest65850irq/126-lan11:15:141
10788991414,0cyclictest65850irq/126-lan08:50:201
10788991413,1cyclictest65850irq/126-lan12:19:231
10788991413,1cyclictest65850irq/126-lan11:56:291
10788991413,1cyclictest65850irq/126-lan11:40:541
10788991413,1cyclictest65850irq/126-lan11:35:181
10788991413,1cyclictest65850irq/126-lan10:30:221
10788991413,1cyclictest65850irq/126-lan09:10:161
10788991313,0cyclictest65850irq/126-lan12:00:191
10788991313,0cyclictest65850irq/126-lan11:05:261
10788991313,0cyclictest65850irq/126-lan07:15:131
10788991312,1cyclictest65850irq/126-lan11:25:131
10788991312,1cyclictest65850irq/126-lan09:45:131
10788991312,1cyclictest65850irq/126-lan09:20:141
10788991312,1cyclictest65850irq/126-lan08:00:201
10783991313,0cyclictest3281-21cat10:45:160
10788991212,0cyclictest65850irq/126-lan09:40:151
10788991212,0cyclictest65850irq/126-lan07:55:141
10788991212,0cyclictest65850irq/126-lan07:40:131
10788991211,1cyclictest65850irq/126-lan08:35:121
10788991111,0cyclictest65850irq/126-lan12:30:091
1078899109,1cyclictest65850irq/126-lan12:25:131
107979998,1cyclictest743-21snmpd08:29:183
107929998,1cyclictest743-21snmpd10:28:192
107929996,3cyclictest743-21snmpd11:27:362
107889999,0cyclictest65850irq/126-lan09:05:121
107889998,1cyclictest65850irq/126-lan08:25:171
107889998,1cyclictest65850irq/126-lan08:20:211
107889998,1cyclictest65850irq/126-lan07:20:181
107979988,0cyclictest743-21snmpd11:51:403
107979988,0cyclictest743-21snmpd11:42:103
107979988,0cyclictest743-21snmpd09:28:233
107979988,0cyclictest741-21lldpd12:18:383
107979988,0cyclictest741-21lldpd10:26:533
107979988,0cyclictest741-21lldpd08:19:343
107979988,0cyclictest741-21lldpd08:00:243
107979987,1cyclictest743-21snmpd10:53:143
107979987,1cyclictest743-21snmpd10:01:213
107979987,1cyclictest743-21snmpd09:16:113
107979987,1cyclictest743-21snmpd09:09:103
107979987,1cyclictest743-21snmpd07:57:383
107979987,1cyclictest741-21lldpd12:20:463
107979987,1cyclictest741-21lldpd10:49:093
107979987,1cyclictest741-21lldpd09:58:143
107979987,1cyclictest522-21avahi-daemon08:38:163
107979986,2cyclictest743-21snmpd11:07:423
107929988,0cyclictest743-21snmpd12:24:202
107929988,0cyclictest743-21snmpd07:45:482
107929988,0cyclictest743-21snmpd07:16:182
107929988,0cyclictest741-21lldpd12:39:132
107929988,0cyclictest741-21lldpd12:29:422
107929988,0cyclictest741-21lldpd10:32:432
107929987,1cyclictest743-21snmpd12:10:592
107929987,1cyclictest743-21snmpd12:03:192
107929987,1cyclictest743-21snmpd11:13:332
107929987,1cyclictest743-21snmpd10:57:412
107929987,1cyclictest743-21snmpd09:12:072
107929987,1cyclictest743-21snmpd08:27:182
107929986,2cyclictest743-21snmpd11:48:102
107929986,2cyclictest743-21snmpd08:14:322
107929985,2cyclictest743-21snmpd09:35:012
107839988,0cyclictest741-21lldpd12:27:040
107839987,1cyclictest743-21snmpd11:53:340
107839987,1cyclictest743-21snmpd09:42:450
107839986,2cyclictest743-21snmpd12:23:500
107839986,2cyclictest743-21snmpd11:28:570
107839986,2cyclictest743-21snmpd10:28:010
107839986,2cyclictest743-21snmpd09:59:060
107839986,2cyclictest743-21snmpd08:56:040
107839986,2cyclictest743-21snmpd08:38:140
107839986,2cyclictest743-21snmpd07:10:180
107979977,0cyclictest743-21snmpd11:26:063
107979977,0cyclictest743-21snmpd07:16:573
107979977,0cyclictest741-21lldpd12:34:073
107979977,0cyclictest741-21lldpd08:57:553
107979976,1cyclictest743-21snmpd12:10:443
107979976,1cyclictest522-21avahi-daemon08:49:503
107979975,2cyclictest743-21snmpd12:39:003
107979975,2cyclictest743-21snmpd10:08:513
107979975,2cyclictest743-21snmpd09:46:033
107979975,2cyclictest743-21snmpd09:32:023
107979975,2cyclictest743-21snmpd07:26:313
107979975,2cyclictest7372-21cat09:35:153
107979975,2cyclictest15094-21cpuspeed_turbos07:20:133
107929977,0cyclictest743-21snmpd10:40:352
107929977,0cyclictest743-21snmpd10:16:132
107929977,0cyclictest743-21snmpd08:35:272
107929977,0cyclictest741-21lldpd10:54:112
107929977,0cyclictest741-21lldpd10:37:452
107929977,0cyclictest741-21lldpd08:05:132
107929976,1cyclictest743-21snmpd11:07:302
107929976,1cyclictest743-21snmpd11:03:412
107929976,1cyclictest743-21snmpd09:55:452
107929976,1cyclictest743-21snmpd09:07:192
107929976,1cyclictest743-21snmpd08:58:342
107929976,1cyclictest741-21lldpd11:35:422
107929975,2cyclictest743-21snmpd10:23:072
107929975,2cyclictest743-21snmpd10:08:002
107929975,2cyclictest743-21snmpd08:41:572
107929975,2cyclictest743-21snmpd08:31:362
107929975,2cyclictest743-21snmpd07:14:512
107929975,2cyclictest16698-21idleruntime-cro11:20:002
107889976,1cyclictest65850irq/126-lan08:40:151
107839977,0cyclictest743-21snmpd11:59:040
107839977,0cyclictest743-21snmpd11:14:270
107839977,0cyclictest743-21snmpd10:19:220
107839977,0cyclictest743-21snmpd08:51:000
107839977,0cyclictest741-21lldpd07:51:220
107839976,1cyclictest743-21snmpd10:36:520
107839976,1cyclictest741-21lldpd09:39:040
107839976,1cyclictest522-21avahi-daemon09:54:230
107839976,1cyclictest10446-21needreboot08:25:160
107839975,2cyclictest743-21snmpd08:49:130
107839975,2cyclictest743-21snmpd07:34:420
107839974,3cyclictest717-21ntpd12:35:130
107979966,0cyclictest743-21snmpd11:37:163
107979966,0cyclictest743-21snmpd10:44:293
107979966,0cyclictest743-21snmpd08:23:063
107979966,0cyclictest743-21snmpd08:13:263
107979966,0cyclictest743-21snmpd07:48:253
107979966,0cyclictest741-21lldpd11:46:183
107979966,0cyclictest741-21lldpd11:24:033
107979966,0cyclictest741-21lldpd08:32:003
107979965,1cyclictest743-21snmpd09:43:513
107979965,1cyclictest522-21avahi-daemon12:04:193
107979965,1cyclictest31880-21gltestperf11:55:133
107979965,1cyclictest29039-21fschecks_time09:10:143
107979962,4cyclictest557-21NetworkManager11:00:463
107979962,3cyclictest30001-21ntp_states10:30:183
107979962,3cyclictest19336-21perl07:30:143
107929966,0cyclictest743-21snmpd11:53:192
107929966,0cyclictest743-21snmpd09:26:142
107929966,0cyclictest743-21snmpd07:31:422
107929966,0cyclictest741-21lldpd09:43:482
107929966,0cyclictest741-21lldpd08:15:222
107929966,0cyclictest24714-21gltestperf09:00:142
107929965,1cyclictest743-21snmpd10:45:382
107929965,1cyclictest743-21snmpd08:20:482
107929965,1cyclictest741-21lldpd08:00:222
107929965,1cyclictest506-21systemd-resolve12:09:552
107929965,1cyclictest27682-21cpuspeed_turbos07:50:122
107929965,1cyclictest17232-21fschecks_count07:25:142
107929964,2cyclictest743-21snmpd11:43:432
107929964,2cyclictest21077-21apt-get10:10:102
107929963,3cyclictest23312-21df_inode07:40:132
107929962,4cyclictest244-20systemd-journal07:57:582
107929962,3cyclictest16363-21awk07:20:222
107929962,3cyclictest11822-21ntpq09:45:172
107889965,1cyclictest65850irq/126-lan07:50:151
107839964,2cyclictest743-21snmpd11:30:150
107839962,3cyclictest23151-21dpkg07:40:120
107979955,0cyclictest741-21lldpd08:05:113
107979955,0cyclictest522-21avahi-daemon07:35:333
107979954,1cyclictest21778-21gltestperf11:30:133
107979954,1cyclictest0-21swapper/312:25:193
107979953,2cyclictest557-21NetworkManager10:15:173
107979953,2cyclictest244-20systemd-journal09:50:213
107979953,2cyclictest0-21swapper/309:20:213
107979952,3cyclictest557-21NetworkManager09:00:123
107979952,3cyclictest10966-21apt-get07:10:113
107979952,2cyclictest29557-21cat07:55:003
107979952,2cyclictest244-20systemd-journal08:42:383
107979952,2cyclictest23316-21sh07:40:133
107979952,2cyclictest21192-21cut10:10:113
107979951,3cyclictest31439-21perl10:35:133
107929955,0cyclictest566-21sendmail09:20:002
107929955,0cyclictest21785-21sed11:30:132
107929954,1cyclictest5652-21ntpq09:30:182
107929954,1cyclictest21684-21needreboot07:35:172
107929953,2cyclictest743-21snmpd08:45:002
107929953,2cyclictest22061-21basename08:55:002
107929952,3cyclictest32321-21ntpq11:55:162
107929952,3cyclictest244-20systemd-journal12:30:022
107929951,3cyclictest894-21apt-get09:20:112
107929951,3cyclictest17925-21sed11:20:152
107839953,2cyclictest743-21snmpd09:08:400
107839953,2cyclictest29343-21cut10:30:130
107839953,2cyclictest0-21swapper/007:25:260
107979942,2cyclictest15000-21wc11:15:123
107979942,2cyclictest13356-21cat11:10:133
107979941,2cyclictest6997-21cpuspeed_turbos10:55:113
107979941,2cyclictest3838-21tune2fs12:05:133
107979940,4cyclictest25851-21ntpq10:20:153
107979940,3cyclictest20474-21diskstats08:50:133
107929941,3cyclictest13711-21ntp_192.168.11409:50:142
107929941,2cyclictest7845-21expr12:15:122
107929940,3cyclictest17223-21diskstats10:00:122
107839943,1cyclictest743-21snmpd07:35:040
107839942,2cyclictest717-21ntpd11:45:120
107839942,2cyclictest557-21NetworkManager08:00:020
107839941,3cyclictest3952-21grep08:10:140
107839940,3cyclictest29104-21fw_forwarded_lo09:10:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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