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2026-07-30 - 10:58

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 Thu Jul 30, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7177991818,0cyclictest9810-21cat19:15:152
7177991818,0cyclictest743-21snmpd20:45:172
7164991818,0cyclictest65850irq/126-lan21:25:130
7164991818,0cyclictest65850irq/126-lan19:43:550
7164991817,1cyclictest65850irq/126-lan23:05:220
7164991817,1cyclictest65850irq/126-lan23:00:570
7164991817,1cyclictest65850irq/126-lan22:56:140
7164991817,1cyclictest65850irq/126-lan22:16:150
7164991817,1cyclictest65850irq/126-lan22:10:170
7164991817,1cyclictest65850irq/126-lan20:05:170
7164991817,1cyclictest65850irq/126-lan19:25:170
7164991816,2cyclictest65850irq/126-lan23:50:160
7177991717,0cyclictest743-21snmpd22:35:572
7177991717,0cyclictest743-21snmpd21:21:212
7177991717,0cyclictest743-21snmpd20:30:072
7177991717,0cyclictest743-21snmpd20:10:232
7177991717,0cyclictest743-21snmpd19:47:332
7177991717,0cyclictest743-21snmpd00:31:082
7177991717,0cyclictest743-21snmpd00:29:412
7177991717,0cyclictest743-21snmpd00:07:432
7177991717,0cyclictest22704-21cat21:05:152
7177991717,0cyclictest16650-21cat20:50:142
7164991717,0cyclictest65850irq/126-lan22:43:420
7164991717,0cyclictest65850irq/126-lan21:10:140
7164991717,0cyclictest65850irq/126-lan19:55:130
7164991717,0cyclictest65850irq/126-lan00:35:220
7164991716,1cyclictest65850irq/126-lan21:40:200
7164991716,1cyclictest65850irq/126-lan21:15:110
7177991616,0cyclictest743-21snmpd23:07:592
7164991616,0cyclictest65850irq/126-lan23:32:010
7164991616,0cyclictest65850irq/126-lan23:19:160
7164991616,0cyclictest65850irq/126-lan23:10:590
7164991616,0cyclictest65850irq/126-lan21:31:500
7164991616,0cyclictest65850irq/126-lan20:52:070
7164991616,0cyclictest65850irq/126-lan20:25:200
7164991616,0cyclictest65850irq/126-lan20:25:200
7164991616,0cyclictest65850irq/126-lan19:50:130
7164991615,1cyclictest65850irq/126-lan23:20:150
7164991615,1cyclictest65850irq/126-lan22:30:130
7164991615,1cyclictest65850irq/126-lan22:05:140
7164991615,1cyclictest65850irq/126-lan21:35:130
7164991615,1cyclictest65850irq/126-lan20:30:160
7164991615,1cyclictest65850irq/126-lan00:00:200
7164991614,2cyclictest65850irq/126-lan22:35:220
7164991614,2cyclictest65850irq/126-lan22:00:140
7164991614,2cyclictest65850irq/126-lan21:45:160
7164991515,0cyclictest65850irq/126-lan21:55:190
7164991515,0cyclictest65850irq/126-lan21:21:040
7164991515,0cyclictest65850irq/126-lan21:00:130
7164991515,0cyclictest65850irq/126-lan20:00:120
7164991515,0cyclictest65850irq/126-lan19:20:120
7164991515,0cyclictest65850irq/126-lan19:15:200
7164991414,0cyclictest65850irq/126-lan23:35:210
7164991414,0cyclictest65850irq/126-lan23:25:160
7164991414,0cyclictest65850irq/126-lan22:50:170
7164991414,0cyclictest65850irq/126-lan22:23:150
7164991414,0cyclictest65850irq/126-lan00:08:160
7164991413,1cyclictest65850irq/126-lan21:52:150
7164991413,1cyclictest65850irq/126-lan00:25:140
7164991412,2cyclictest65850irq/126-lan21:05:130
7164991313,0cyclictest65850irq/126-lan20:14:150
7164991313,0cyclictest65850irq/126-lan19:36:140
7164991313,0cyclictest65850irq/126-lan00:15:220
7164991312,1cyclictest65850irq/126-lan20:45:170
7164991312,1cyclictest65850irq/126-lan00:10:130
7164991310,3cyclictest65850irq/126-lan00:30:180
7164991212,0cyclictest65850irq/126-lan23:46:230
7164991212,0cyclictest65850irq/126-lan20:15:170
7164991212,0cyclictest65850irq/126-lan19:30:140
7164991212,0cyclictest65850irq/126-lan00:20:140
7164991211,1cyclictest65850irq/126-lan19:10:120
7164991111,0cyclictest65850irq/126-lan23:41:200
7164991111,0cyclictest65850irq/126-lan22:48:150
7164991110,1cyclictest65850irq/126-lan22:25:100
7164991110,1cyclictest65850irq/126-lan20:35:140
7164991010,0cyclictest65850irq/126-lan20:40:230
716499100,7cyclictest5363-21taskset20:24:430
71839998,1cyclictest743-21snmpd21:12:223
71779998,1cyclictest743-21snmpd20:28:292
71779998,1cyclictest743-21snmpd20:28:292
71779998,1cyclictest743-21snmpd20:09:432
71779998,1cyclictest743-21snmpd00:13:572
71779998,1cyclictest743-21snmpd00:04:162
71729998,1cyclictest743-21snmpd22:27:151
71729998,1cyclictest743-21snmpd20:48:051
71729998,1cyclictest743-21snmpd20:00:431
71729998,1cyclictest741-21lldpd20:23:081
71649998,1cyclictest65850irq/126-lan19:45:130
71649990,6cyclictest747-21runrttasks23:56:160
71839988,0cyclictest743-21snmpd21:52:553
71839988,0cyclictest743-21snmpd19:10:143
71839988,0cyclictest741-21lldpd20:32:123
71839987,1cyclictest743-21snmpd21:48:353
71839987,1cyclictest743-21snmpd19:47:183
71839987,1cyclictest743-21snmpd00:10:243
71839986,2cyclictest743-21snmpd23:10:323
71839986,2cyclictest743-21snmpd22:40:163
71839986,2cyclictest743-21snmpd20:40:273
71839986,2cyclictest743-21snmpd20:01:243
71839986,2cyclictest743-21snmpd19:31:533
71779988,0cyclictest743-21snmpd20:04:032
71779988,0cyclictest741-21lldpd23:42:252
71779988,0cyclictest741-21lldpd23:36:282
71779988,0cyclictest741-21lldpd20:38:272
71779988,0cyclictest741-21lldpd20:17:112
71779987,1cyclictest743-21snmpd22:20:052
71779987,1cyclictest743-21snmpd22:18:182
71779987,1cyclictest522-21avahi-daemon21:45:212
71779987,1cyclictest506-21systemd-resolve21:40:192
71779986,2cyclictest743-21snmpd23:54:552
71779986,2cyclictest743-21snmpd23:11:472
71779986,2cyclictest743-21snmpd21:19:102
71779986,2cyclictest743-21snmpd19:42:222
71729988,0cyclictest743-21snmpd22:37:101
71729988,0cyclictest743-21snmpd22:06:511
71729988,0cyclictest743-21snmpd21:58:171
71729988,0cyclictest743-21snmpd21:07:031
71729988,0cyclictest743-21snmpd19:50:151
71729988,0cyclictest741-21lldpd23:09:511
71729988,0cyclictest741-21lldpd20:56:271
71729988,0cyclictest741-21lldpd00:28:381
71729987,1cyclictest743-21snmpd23:15:051
71729987,1cyclictest741-21lldpd20:06:121
71729987,1cyclictest741-21lldpd19:15:111
71729987,1cyclictest522-21avahi-daemon23:20:171
71729986,2cyclictest743-21snmpd22:52:371
71729986,2cyclictest743-21snmpd20:29:471
71729986,2cyclictest743-21snmpd20:29:471
71729986,2cyclictest743-21snmpd19:45:091
71839977,0cyclictest743-21snmpd23:46:093
71839977,0cyclictest743-21snmpd23:09:343
71839977,0cyclictest743-21snmpd22:45:073
71839977,0cyclictest743-21snmpd20:10:443
71839977,0cyclictest743-21snmpd00:23:593
71839977,0cyclictest743-21snmpd00:09:253
71839977,0cyclictest741-21lldpd20:20:073
71839977,0cyclictest741-21lldpd19:43:363
71839977,0cyclictest741-21lldpd00:35:593
71839977,0cyclictest741-21lldpd00:34:033
71839976,1cyclictest743-21snmpd23:32:123
71839976,1cyclictest743-21snmpd22:23:563
71839976,1cyclictest741-21lldpd21:04:553
71839976,1cyclictest741-21lldpd20:52:513
71839976,1cyclictest5997-21gltestperf20:25:143
71839976,1cyclictest5997-21gltestperf20:25:133
71839976,1cyclictest522-21avahi-daemon22:39:333
71839975,2cyclictest743-21snmpd22:59:263
71839975,2cyclictest743-21snmpd21:25:343
71839975,2cyclictest743-21snmpd19:20:153
71839974,3cyclictest743-21snmpd00:15:283
71779977,0cyclictest743-21snmpd21:52:402
71779976,1cyclictest17867-21kworker/2:2+events00:20:122
71779976,1cyclictest10262-21kworker/2:0+events23:55:172
71779976,1cyclictest10262-21kworker/2:0+events23:15:082
71779976,1cyclictest10262-21kworker/2:0+events23:00:182
71779976,1cyclictest10262-21kworker/2:0+events22:55:002
71779976,1cyclictest10262-21kworker/2:0+events22:51:202
71779976,1cyclictest10262-21kworker/2:0+events22:30:202
71779976,1cyclictest10262-21kworker/2:0+events22:10:122
71779976,1cyclictest10262-21kworker/2:0+events21:55:122
71779976,1cyclictest10262-21kworker/2:0+events21:30:122
71779976,1cyclictest10262-21kworker/2:0+events21:28:082
71779976,1cyclictest10262-21kworker/2:0+events21:00:012
71779976,1cyclictest10262-21kworker/2:0+events20:55:142
71779976,1cyclictest10262-21kworker/2:0+events20:20:172
71779976,1cyclictest10262-21kworker/2:0+events19:55:142
71779976,1cyclictest10262-21kworker/2:0+events19:54:342
71779976,1cyclictest10262-21kworker/2:0+events19:32:572
71779976,1cyclictest10262-21kworker/2:0+events19:22:382
71779976,1cyclictest10262-21kworker/2:0+events19:11:162
71779975,2cyclictest12523-21cat22:00:142
71779975,1cyclictest10262-21kworker/2:0+events23:27:362
71779975,1cyclictest10262-21kworker/2:0+events22:45:482
71779973,3cyclictest28238-21apt-get22:40:132
71779973,3cyclictest17296-21ntp_states23:30:162
71779973,3cyclictest10872-21memory00:35:162
71729977,0cyclictest743-21snmpd21:27:041
71729977,0cyclictest743-21snmpd20:38:001
71729977,0cyclictest743-21snmpd20:34:101
71729977,0cyclictest743-21snmpd20:13:111
71729977,0cyclictest741-21lldpd23:03:051
71729977,0cyclictest741-21lldpd22:58:221
71729977,0cyclictest741-21lldpd20:54:131
71729977,0cyclictest741-21lldpd19:59:231
71729976,1cyclictest743-21snmpd23:10:191
71729976,1cyclictest743-21snmpd19:44:281
71729976,1cyclictest741-21lldpd21:37:571
71729976,1cyclictest573-21in:imuxsock21:24:121
71729976,1cyclictest522-21avahi-daemon23:30:111
71729975,2cyclictest743-21snmpd22:45:281
71729975,2cyclictest743-21snmpd22:21:331
71729975,2cyclictest743-21snmpd20:17:381
71729975,2cyclictest743-21snmpd19:35:201
71729975,2cyclictest743-21snmpd00:05:551
71729972,5cyclictest557-21NetworkManager21:50:241
71649970,6cyclictest18398-21diskstats20:55:120
71839966,0cyclictest743-21snmpd19:29:393
71839966,0cyclictest743-21snmpd00:02:163
71839966,0cyclictest741-21lldpd23:51:383
71839966,0cyclictest741-21lldpd20:58:193
71839966,0cyclictest741-21lldpd20:36:273
71839966,0cyclictest522-21avahi-daemon22:01:353
71839965,1cyclictest522-21avahi-daemon22:15:083
71839965,1cyclictest15756-21latency_hist20:50:003
71839964,2cyclictest743-21snmpd22:11:423
71839963,3cyclictest28602-21perl21:20:143
71839963,3cyclictest18612-21df23:35:133
71839962,3cyclictest14470-21sed22:05:113
71779965,1cyclictest17867-21kworker/2:2+events00:15:182
71779965,1cyclictest10262-21kworker/2:0+events23:45:002
71779965,1cyclictest10262-21kworker/2:0+events23:20:162
71779965,1cyclictest10262-21kworker/2:0+events22:25:042
71779965,1cyclictest10262-21kworker/2:0+events22:05:132
71779965,1cyclictest10262-21kworker/2:0+events21:35:412
71779965,1cyclictest10262-21kworker/2:0+events21:10:142
71779965,1cyclictest10262-21kworker/2:0+events19:25:162
71779962,3cyclictest18360-21sed19:35:192
71729966,0cyclictest743-21snmpd23:48:481
71729966,0cyclictest743-21snmpd21:15:161
71729966,0cyclictest743-21snmpd19:31:261
71729966,0cyclictest743-21snmpd19:28:331
71729966,0cyclictest741-21lldpd00:10:581
71729966,0cyclictest522-21avahi-daemon21:11:271
71729966,0cyclictest522-21avahi-daemon19:20:231
71729965,1cyclictest743-21snmpd00:03:311
71729965,1cyclictest522-21avahi-daemon21:30:011
71729965,1cyclictest12324-21fschecks_time22:00:131
71729964,2cyclictest743-21snmpd22:12:511
71729962,3cyclictest24948-21awk23:50:141
71729962,3cyclictest19305-21ntpq23:35:181
71729962,3cyclictest18569-21awk22:15:141
71839955,0cyclictest743-21snmpd23:57:363
71839955,0cyclictest741-21lldpd21:15:033
71839955,0cyclictest522-21avahi-daemon21:44:413
71839955,0cyclictest522-21avahi-daemon20:08:563
71839954,1cyclictest32750-21hddtemp_smartct21:30:133
71839954,1cyclictest20560-21cpuspeed_turbos23:40:093
71839953,2cyclictest743-21snmpd23:20:293
71839953,2cyclictest743-21snmpd21:05:063
71839953,2cyclictest14812-21head23:25:123
71839953,2cyclictest10087-21ntpq19:15:173
71839952,2cyclictest244-20systemd-journal21:35:223
71839952,2cyclictest244-20systemd-journal00:28:363
71839952,2cyclictest18732-21sed19:35:213
71839952,2cyclictest10228-21diskstats21:55:113
71839951,4cyclictest557-21NetworkManager19:58:283
71779954,1cyclictest10262-21kworker/2:0+events20:40:162
71729955,0cyclictest741-21lldpd22:41:071
71729954,1cyclictest743-21snmpd00:30:321
71729954,1cyclictest21103-21ntpq21:00:171
71729952,2cyclictest26816-21fw_packets23:55:161
71729952,2cyclictest14537-21grep23:25:101
71729951,3cyclictest22359-21sed23:44:591
71839942,2cyclictest4488-21cut23:00:143
71839942,2cyclictest32495-21grep22:50:123
71839941,2cyclictest24234-21sed19:50:183
71839941,2cyclictest23619-21sshd22:26:153
71839940,3cyclictest25353-21sed22:30:203
71839940,3cyclictest2347-21ntpq20:15:153
71839940,3cyclictest10933-21memory23:15:133
71729942,2cyclictest743-21snmpd00:20:071
71729942,2cyclictest24451-21tune2fs22:30:131
71729941,2cyclictest7729-21sed19:10:141
71729941,2cyclictest6753-21ld21:45:171
71729941,2cyclictest5321-21unixbench_singl21:40:221
71729941,2cyclictest2229-21grep00:15:131
71729941,2cyclictest11542-21sed00:35:221
71729940,3cyclictest12615-21/usr/sbin/munin20:40:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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