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2026-03-19 - 16:44

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 Thu Mar 19, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20098993636,0cyclictest22514-21fwupd11:06:223
20086991919,0cyclictest65850irq/126-lan12:30:201
20086991918,1cyclictest65850irq/126-lan09:15:111
20086991918,1cyclictest65850irq/126-lan08:35:121
20086991818,0cyclictest743-21snmpd12:22:061
20086991818,0cyclictest743-21snmpd11:10:341
20086991818,0cyclictest743-21snmpd10:36:571
20086991818,0cyclictest743-21snmpd10:03:261
20086991818,0cyclictest743-21snmpd08:06:191
20086991818,0cyclictest743-21snmpd07:42:121
20086991818,0cyclictest65850irq/126-lan10:30:171
20086991818,0cyclictest65850irq/126-lan08:10:141
20086991817,1cyclictest65850irq/126-lan10:28:461
20086991717,0cyclictest743-21snmpd10:51:061
20086991717,0cyclictest743-21snmpd10:45:031
20086991717,0cyclictest743-21snmpd10:20:501
20086991717,0cyclictest65850irq/126-lan12:05:101
20086991717,0cyclictest65850irq/126-lan10:15:131
20086991717,0cyclictest65850irq/126-lan09:40:081
20086991717,0cyclictest65850irq/126-lan08:55:201
20086991716,1cyclictest65850irq/126-lan12:04:451
20086991716,1cyclictest65850irq/126-lan09:30:111
20086991716,1cyclictest65850irq/126-lan08:20:461
20086991716,1cyclictest65850irq/126-lan07:20:371
20086991716,1cyclictest65850irq/126-lan07:15:151
20086991616,0cyclictest65850irq/126-lan09:55:141
20086991616,0cyclictest65850irq/126-lan09:50:001
20086991616,0cyclictest65850irq/126-lan09:20:191
20086991616,0cyclictest65850irq/126-lan09:00:121
20086991616,0cyclictest65850irq/126-lan08:00:201
20086991616,0cyclictest65850irq/126-lan07:55:191
20086991616,0cyclictest65850irq/126-lan07:50:111
20086991616,0cyclictest65850irq/126-lan07:45:121
20086991615,1cyclictest65850irq/126-lan09:27:501
20086991615,1cyclictest65850irq/126-lan08:45:121
2009499156,6cyclictest31664-21cat10:10:122
20086991515,0cyclictest65850irq/126-lan12:10:171
20086991515,0cyclictest65850irq/126-lan11:55:161
20086991515,0cyclictest65850irq/126-lan11:40:191
20086991515,0cyclictest65850irq/126-lan11:20:121
20086991515,0cyclictest65850irq/126-lan11:00:131
20086991515,0cyclictest65850irq/126-lan07:30:131
20086991514,1cyclictest65850irq/126-lan11:30:121
20086991514,1cyclictest65850irq/126-lan09:45:131
20086991514,1cyclictest65850irq/126-lan08:25:161
20086991514,1cyclictest65850irq/126-lan08:15:141
20086991514,1cyclictest65850irq/126-lan07:35:191
20086991414,0cyclictest65850irq/126-lan11:35:111
20086991414,0cyclictest65850irq/126-lan11:15:111
20086991414,0cyclictest65850irq/126-lan09:10:201
20086991414,0cyclictest65850irq/126-lan07:28:521
20086991413,1cyclictest65850irq/126-lan12:25:151
20086991413,1cyclictest65850irq/126-lan10:10:271
20086991313,0cyclictest65850irq/126-lan11:05:131
20086991313,0cyclictest65850irq/126-lan09:09:451
20086991313,0cyclictest65850irq/126-lan08:40:171
20086991313,0cyclictest65850irq/126-lan08:30:151
20086991212,0cyclictest65850irq/126-lan12:35:181
20086991212,0cyclictest65850irq/126-lan12:15:171
20086991212,0cyclictest65850irq/126-lan11:49:461
20086991212,0cyclictest65850irq/126-lan10:55:201
20086991212,0cyclictest65850irq/126-lan10:43:391
20086991212,0cyclictest65850irq/126-lan07:10:211
20086991111,0cyclictest65850irq/126-lan10:05:101
20086991111,0cyclictest65850irq/126-lan09:36:341
20086991111,0cyclictest65850irq/126-lan08:50:201
20086991110,1cyclictest65850irq/126-lan11:25:161
2009499105,5cyclictest32762-21grep07:40:132
200989998,1cyclictest522-21avahi-daemon12:05:113
200949996,3cyclictest743-21snmpd11:00:522
200949996,3cyclictest743-21snmpd07:30:112
200949996,3cyclictest4267-21fschecks_count07:50:122
200949995,3cyclictest13436-21cat08:10:142
200949991,5cyclictest23083-21unixbench_multi12:25:192
200949991,5cyclictest21157-21taskset08:29:052
200949991,5cyclictest14607-21chrt10:48:372
200949990,3cyclictest21441-21taskset09:47:432
200949990,2cyclictest310221latency_hist11:30:002
200789998,1cyclictest743-21snmpd12:34:110
200789998,1cyclictest743-21snmpd08:52:580
200789998,1cyclictest743-21snmpd08:47:230
200989988,0cyclictest743-21snmpd12:11:193
200989988,0cyclictest743-21snmpd09:09:093
200989988,0cyclictest743-21snmpd08:29:443
200989988,0cyclictest741-21lldpd11:13:473
200989987,1cyclictest743-21snmpd12:31:133
200989987,1cyclictest743-21snmpd09:37:343
200989987,1cyclictest743-21snmpd07:49:233
200989987,1cyclictest741-21lldpd11:03:553
200989986,2cyclictest743-21snmpd10:41:123
200989986,2cyclictest743-21snmpd10:10:533
200949988,0cyclictest743-21snmpd12:24:342
200949988,0cyclictest743-21snmpd08:20:402
200949988,0cyclictest741-21lldpd10:31:132
200949988,0cyclictest741-21lldpd10:04:462
200949988,0cyclictest741-21lldpd08:02:352
200949987,1cyclictest741-21lldpd10:16:522
200949987,1cyclictest741-21lldpd09:36:182
200949986,2cyclictest743-21snmpd09:15:152
200949986,2cyclictest743-21snmpd07:56:492
200949986,2cyclictest741-21lldpd08:47:512
200949983,5cyclictest20997-21ntpq07:10:162
200949982,6cyclictest29658-21ntp_states10:05:162
200949982,5cyclictest24733-21wc08:35:212
200949980,4cyclictest9869-21diskstats11:55:132
200949980,4cyclictest6144-21ntpq09:10:162
200949980,3cyclictest26521-21taskset11:16:012
200949980,2cyclictest27830-21taskset07:26:542
200949980,2cyclictest19205-21chrt12:16:152
200949980,2cyclictest16672-21taskset08:18:572
200869988,0cyclictest65850irq/126-lan11:50:131
200789988,0cyclictest743-21snmpd12:37:370
200789988,0cyclictest743-21snmpd11:55:230
200789988,0cyclictest743-21snmpd11:12:160
200789988,0cyclictest743-21snmpd09:56:520
200789988,0cyclictest743-21snmpd08:15:220
200789988,0cyclictest741-21lldpd10:08:340
200789988,0cyclictest741-21lldpd08:34:170
200789987,1cyclictest743-21snmpd11:41:380
200789987,1cyclictest743-21snmpd08:22:540
200789987,1cyclictest743-21snmpd08:03:100
200789987,1cyclictest743-21snmpd07:45:150
200789986,2cyclictest743-21snmpd09:13:210
200989977,0cyclictest743-21snmpd09:34:553
200989977,0cyclictest743-21snmpd08:50:113
200989977,0cyclictest743-21snmpd07:57:223
200989977,0cyclictest741-21lldpd10:25:023
200989977,0cyclictest741-21lldpd10:08:043
200989977,0cyclictest741-21lldpd08:46:593
200989977,0cyclictest741-21lldpd08:15:283
200989977,0cyclictest741-21lldpd08:06:013
200989976,1cyclictest743-21snmpd12:20:153
200989976,1cyclictest743-21snmpd11:40:083
200989976,1cyclictest743-21snmpd09:49:403
200989976,1cyclictest741-21lldpd11:22:353
200989976,1cyclictest741-21lldpd08:20:373
200989976,1cyclictest522-21avahi-daemon11:19:543
200989976,1cyclictest31826-21needreboot11:30:133
200989976,1cyclictest22253-21cat12:25:123
200989976,1cyclictest18060-21gltestperf12:15:123
200989975,2cyclictest743-21snmpd08:36:113
200949977,0cyclictest743-21snmpd12:33:522
200949977,0cyclictest741-21lldpd10:28:132
200949977,0cyclictest741-21lldpd07:37:402
200949976,1cyclictest717-21ntpd10:20:172
200949975,2cyclictest743-21snmpd11:06:522
200949975,2cyclictest743-21snmpd10:50:032
200949975,2cyclictest741-21lldpd12:35:162
200949975,2cyclictest717-21ntpd09:55:152
200949974,3cyclictest1561-21fschecks_time09:00:122
200949974,3cyclictest0-21swapper/208:50:132
200949971,2cyclictest25987-21if_lan08:40:142
200949970,6cyclictest780-21apt-get11:35:102
200949970,4cyclictest22346-21grep07:15:112
200949970,3cyclictest9962-21df_inode09:20:132
200949970,3cyclictest8934-21sed11:50:202
200949970,3cyclictest5896-21grep11:45:152
200949970,3cyclictest3257-21sort07:45:202
200949970,3cyclictest2976-21df_inode11:40:102
200949970,3cyclictest21663-21df08:30:112
200949970,3cyclictest18160-21fw_conntrack09:40:132
200949970,3cyclictest17743-21ntpq10:55:152
200949970,3cyclictest11786-21cpuspeed_turbos12:00:112
200949970,3cyclictest10960-21hddtemp_smartct08:05:132
200949970,2cyclictest5049-21latency_hist09:10:002
200949970,2cyclictest10522-21taskset10:38:022
200789977,0cyclictest743-21snmpd12:01:420
200789977,0cyclictest743-21snmpd09:05:000
200789977,0cyclictest743-21snmpd08:06:430
200789977,0cyclictest743-21snmpd07:18:440
200789977,0cyclictest741-21lldpd12:22:180
200789977,0cyclictest741-21lldpd10:41:110
200789977,0cyclictest741-21lldpd10:10:380
200789977,0cyclictest741-21lldpd08:59:510
200789977,0cyclictest741-21lldpd08:44:130
200789977,0cyclictest741-21lldpd08:13:590
200789976,1cyclictest743-21snmpd10:00:190
200789976,1cyclictest743-21snmpd09:20:450
200789976,1cyclictest743-21snmpd09:17:330
200789976,1cyclictest741-21lldpd10:39:430
200789976,1cyclictest522-21avahi-daemon10:56:360
200789976,1cyclictest15069-21cpuspeed_turbos10:50:130
200789975,2cyclictest743-21snmpd11:09:580
200789975,2cyclictest743-21snmpd09:41:130
200789975,2cyclictest743-21snmpd08:26:010
200789975,2cyclictest743-21snmpd07:12:410
200789972,5cyclictest557-21NetworkManager08:35:010
200989966,0cyclictest741-21lldpd11:29:573
200989966,0cyclictest741-21lldpd10:23:033
200989966,0cyclictest741-21lldpd10:18:023
200989966,0cyclictest741-21lldpd09:56:083
200989966,0cyclictest522-21avahi-daemon11:36:043
200989966,0cyclictest522-21avahi-daemon09:13:003
200989965,1cyclictest9845-21cpuspeed_turbos11:55:123
200989965,1cyclictest743-21snmpd10:36:213
200989965,1cyclictest743-21snmpd07:24:063
200989965,1cyclictest7218-21gltestperf10:30:133
200989965,1cyclictest12162-21cat12:00:133
200989964,2cyclictest743-21snmpd12:39:163
200989964,2cyclictest743-21snmpd09:26:363
200989964,2cyclictest743-21snmpd07:34:263
200989964,2cyclictest743-21snmpd07:12:173
200989963,3cyclictest557-21NetworkManager11:45:013
200989961,4cyclictest244-20systemd-journal09:41:053
200949960,3cyclictest31450-21fw_conntrack11:30:112
200949960,3cyclictest27583-21if_lan11:20:132
200949960,3cyclictest25162-21ld07:20:162
200949960,3cyclictest23253-21diskstats11:10:112
200949960,3cyclictest21980-21sort09:49:592
200949960,3cyclictest13976-21df09:30:102
200949960,3cyclictest13899-21df12:05:102
200949960,3cyclictest12543-21ntpq09:25:162
200949960,2cyclictest31812-21df08:55:142
200949960,2cyclictest11256-21fschecks_time10:40:112
200949960,1cyclictest0-21swapper/212:10:122
200789966,0cyclictest741-21lldpd12:16:060
200789966,0cyclictest741-21lldpd11:46:000
200789966,0cyclictest741-21lldpd11:25:150
200789966,0cyclictest741-21lldpd10:46:590
200789966,0cyclictest741-21lldpd07:38:300
200789965,1cyclictest743-21snmpd11:52:050
200789965,1cyclictest741-21lldpd12:12:100
200789965,1cyclictest741-21lldpd09:31:500
200789965,1cyclictest0-21swapper/011:15:130
200789964,2cyclictest743-21snmpd09:25:420
200989955,0cyclictest743-21snmpd10:52:243
200989955,0cyclictest522-21avahi-daemon10:02:433
200989954,1cyclictest0-21swapper/309:15:203
200989952,3cyclictest557-21NetworkManager09:22:433
200989952,3cyclictest557-21NetworkManager08:31:123
200989952,3cyclictest14586-21seq08:13:053
200989952,2cyclictest18278-21sed10:55:203
200989951,3cyclictest32453-21apt-get07:40:113
200989950,4cyclictest27077-21python308:41:403
200789955,0cyclictest743-21snmpd11:00:160
200789955,0cyclictest743-21snmpd09:53:100
200789955,0cyclictest741-21lldpd07:30:240
200789955,0cyclictest522-21avahi-daemon11:21:000
200789954,1cyclictest741-21lldpd11:32:550
200789954,1cyclictest4161-21cpuspeed_turbos07:50:110
200789954,1cyclictest32428-21/usr/sbin/munin07:40:170
200789954,1cyclictest0-21swapper/010:15:200
200789953,2cyclictest743-21snmpd11:36:080
200789953,2cyclictest743-21snmpd09:35:580
200789953,2cyclictest0-21swapper/007:21:530
200789952,3cyclictest557-21NetworkManager10:25:170
200789952,2cyclictest3663-21head09:05:140
200789952,2cyclictest244-20systemd-journal12:27:270
200789950,4cyclictest7357-21ntp_states07:55:160
200789950,4cyclictest26635-21fw_conntrack07:25:140
200989943,1cyclictest511ktimers/310:45:133
200989943,1cyclictest4848-21ntpq07:50:163
200989943,1cyclictest26345-21apt-get07:25:123
200989943,1cyclictest2038-21ntpq09:00:163
200989942,2cyclictest743-21snmpd09:50:523
200989941,3cyclictest557-21NetworkManager11:50:433
200989941,2cyclictest9687-21sed08:00:183
200989941,2cyclictest32273-21cat08:55:173
200989940,4cyclictest31129-21ntpq07:35:173
200989940,3cyclictest22786-21/usr/sbin/munin07:15:153
200789944,0cyclictest14604-21ntpq12:05:150
200789941,2cyclictest7574-21needreboot10:30:140
200789941,2cyclictest3648-21ntp_kernel_pll_10:20:170
200789940,3cyclictest20051-21diskstats09:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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