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2026-03-20 - 22:30

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 Fri Mar 20, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15123992019,1cyclictest65850irq/126-lan10:59:091
15123991818,0cyclictest65850irq/126-lan11:50:141
15123991818,0cyclictest65850irq/126-lan08:40:161
15123991817,1cyclictest65850irq/126-lan10:25:141
15123991817,1cyclictest65850irq/126-lan09:49:591
15123991817,1cyclictest65850irq/126-lan09:07:181
15123991817,1cyclictest65850irq/126-lan08:10:131
15123991817,1cyclictest65850irq/126-lan08:10:131
15123991817,1cyclictest65850irq/126-lan07:50:151
15123991817,1cyclictest65850irq/126-lan07:40:121
15123991817,1cyclictest65850irq/126-lan07:10:121
15123991717,0cyclictest65850irq/126-lan12:15:191
15123991717,0cyclictest65850irq/126-lan07:29:451
15123991716,1cyclictest65850irq/126-lan10:10:181
15123991716,1cyclictest65850irq/126-lan08:50:151
15123991716,1cyclictest65850irq/126-lan07:45:171
15123991616,0cyclictest65850irq/126-lan08:37:451
15123991616,0cyclictest65850irq/126-lan08:00:151
15123991615,1cyclictest65850irq/126-lan12:10:181
15123991615,1cyclictest65850irq/126-lan11:30:141
15123991615,1cyclictest65850irq/126-lan09:40:141
15123991615,1cyclictest65850irq/126-lan09:24:251
15123991615,1cyclictest65850irq/126-lan09:15:131
15123991615,1cyclictest65850irq/126-lan08:25:121
15123991615,1cyclictest65850irq/126-lan07:20:191
15123991515,0cyclictest65850irq/126-lan12:34:571
15123991515,0cyclictest65850irq/126-lan11:25:161
15123991515,0cyclictest65850irq/126-lan10:32:121
15123991515,0cyclictest65850irq/126-lan09:00:111
15123991515,0cyclictest65850irq/126-lan07:39:451
15123991514,1cyclictest65850irq/126-lan12:35:161
15123991514,1cyclictest65850irq/126-lan12:00:211
15123991514,1cyclictest65850irq/126-lan10:45:151
15123991514,1cyclictest65850irq/126-lan10:20:131
15123991414,0cyclictest65850irq/126-lan12:05:091
15123991414,0cyclictest65850irq/126-lan11:05:201
15123991414,0cyclictest65850irq/126-lan11:00:181
15123991414,0cyclictest65850irq/126-lan10:39:431
15123991414,0cyclictest65850irq/126-lan10:00:151
15123991414,0cyclictest65850irq/126-lan08:20:161
15123991413,1cyclictest65850irq/126-lan11:19:371
15123991413,1cyclictest65850irq/126-lan09:10:201
15123991413,1cyclictest65850irq/126-lan07:30:201
15123991313,0cyclictest65850irq/126-lan08:30:351
15123991312,1cyclictest65850irq/126-lan12:20:181
15123991312,1cyclictest65850irq/126-lan11:45:131
15123991312,1cyclictest65850irq/126-lan11:35:181
15123991312,1cyclictest65850irq/126-lan11:20:221
15123991312,1cyclictest65850irq/126-lan10:50:161
15123991312,1cyclictest65850irq/126-lan10:40:101
15123991312,1cyclictest65850irq/126-lan10:15:111
15123991312,1cyclictest65850irq/126-lan09:50:001
15123991312,1cyclictest65850irq/126-lan09:35:151
15123991312,1cyclictest65850irq/126-lan09:30:201
15123991212,0cyclictest65850irq/126-lan12:25:161
15123991212,0cyclictest65850irq/126-lan08:56:451
15123991212,0cyclictest65850irq/126-lan07:15:111
15123991111,0cyclictest65850irq/126-lan08:15:151
1512399109,1cyclictest65850irq/126-lan11:40:091
1512399109,1cyclictest65850irq/126-lan09:25:141
15123991010,0cyclictest65850irq/126-lan11:10:151
15123991010,0cyclictest65850irq/126-lan10:05:451
151319998,1cyclictest743-21snmpd09:52:513
151319998,1cyclictest743-21snmpd08:33:053
151319998,1cyclictest743-21snmpd08:18:293
151319998,1cyclictest741-21lldpd08:00:153
151289998,1cyclictest743-21snmpd11:11:392
151289998,1cyclictest743-21snmpd08:09:122
151239999,0cyclictest65850irq/126-lan11:55:121
151239998,1cyclictest65850irq/126-lan08:05:101
151189998,1cyclictest743-21snmpd10:31:410
151319988,0cyclictest743-21snmpd09:31:493
151319988,0cyclictest743-21snmpd07:54:583
151319988,0cyclictest741-21lldpd12:16:363
151319988,0cyclictest741-21lldpd11:03:113
151319987,1cyclictest743-21snmpd12:38:043
151319987,1cyclictest743-21snmpd09:25:003
151319987,1cyclictest743-21snmpd08:48:533
151319987,1cyclictest741-21lldpd10:00:483
151319986,2cyclictest743-21snmpd11:40:043
151319986,2cyclictest743-21snmpd10:51:503
151319986,2cyclictest743-21snmpd09:00:123
151319986,2cyclictest743-21snmpd08:57:113
151319984,3cyclictest743-21snmpd10:55:023
151289988,0cyclictest743-21snmpd08:27:252
151289988,0cyclictest743-21snmpd07:44:092
151289988,0cyclictest743-21snmpd07:23:392
151289988,0cyclictest741-21lldpd12:36:442
151289986,2cyclictest743-21snmpd12:22:092
151289986,2cyclictest743-21snmpd11:36:502
151289986,2cyclictest743-21snmpd11:32:472
151289986,2cyclictest743-21snmpd09:01:382
151289986,2cyclictest743-21snmpd08:55:172
151239987,1cyclictest743-21snmpd08:45:281
151239987,1cyclictest65850irq/126-lan09:55:131
151189988,0cyclictest743-21snmpd12:37:190
151189988,0cyclictest743-21snmpd09:14:440
151189988,0cyclictest743-21snmpd09:02:560
151189988,0cyclictest741-21lldpd10:19:150
151189987,1cyclictest743-21snmpd11:39:170
151189987,1cyclictest743-21snmpd10:24:530
151189987,1cyclictest743-21snmpd09:53:130
151189987,1cyclictest741-21lldpd08:44:500
151189986,2cyclictest743-21snmpd09:06:300
151319977,0cyclictest743-21snmpd10:29:233
151319977,0cyclictest743-21snmpd07:55:333
151319977,0cyclictest741-21lldpd12:07:053
151319977,0cyclictest741-21lldpd08:52:183
151319976,1cyclictest8883-21unixbench_multi08:10:203
151319976,1cyclictest8883-21unixbench_multi08:10:203
151319976,1cyclictest743-21snmpd08:06:463
151319976,1cyclictest743-21snmpd07:21:003
151319976,1cyclictest743-21snmpd07:14:353
151319976,1cyclictest741-21lldpd11:46:293
151319976,1cyclictest741-21lldpd10:45:523
151319975,2cyclictest743-21snmpd12:27:533
151319975,2cyclictest743-21snmpd11:50:203
151319975,2cyclictest743-21snmpd11:21:573
151319975,2cyclictest743-21snmpd10:13:433
151319975,2cyclictest743-21snmpd09:35:063
151319972,4cyclictest244-20systemd-journal10:23:383
151289977,0cyclictest743-21snmpd10:34:512
151289977,0cyclictest743-21snmpd10:23:462
151289977,0cyclictest743-21snmpd09:23:272
151289977,0cyclictest743-21snmpd09:12:052
151289977,0cyclictest743-21snmpd08:02:212
151289977,0cyclictest741-21lldpd12:12:552
151289977,0cyclictest741-21lldpd11:04:192
151289977,0cyclictest741-21lldpd08:20:572
151289976,1cyclictest743-21snmpd11:07:362
151289976,1cyclictest743-21snmpd09:40:392
151289976,1cyclictest743-21snmpd09:16:302
151289976,1cyclictest743-21snmpd08:40:462
151289976,1cyclictest741-21lldpd08:12:092
151289976,1cyclictest741-21lldpd08:12:092
151289976,1cyclictest522-21avahi-daemon10:00:472
151289976,1cyclictest12936-21sh10:59:592
151289975,2cyclictest743-21snmpd12:00:172
151289975,2cyclictest743-21snmpd10:18:022
151289975,2cyclictest743-21snmpd09:35:542
151289975,2cyclictest743-21snmpd07:11:382
151289973,3cyclictest16539-21ntp_states08:30:182
151289973,2cyclictest743-21snmpd07:36:132
151239976,1cyclictest65850irq/126-lan07:55:141
151189977,0cyclictest743-21snmpd10:52:300
151189977,0cyclictest743-21snmpd10:43:350
151189977,0cyclictest743-21snmpd09:49:330
151189977,0cyclictest743-21snmpd09:27:120
151189977,0cyclictest743-21snmpd08:13:040
151189977,0cyclictest743-21snmpd08:13:030
151189977,0cyclictest743-21snmpd07:48:120
151189977,0cyclictest743-21snmpd07:44:420
151189977,0cyclictest741-21lldpd12:30:070
151189977,0cyclictest741-21lldpd12:17:090
151189977,0cyclictest741-21lldpd11:15:180
151189977,0cyclictest741-21lldpd11:00:320
151189977,0cyclictest741-21lldpd09:55:010
151189977,0cyclictest741-21lldpd09:42:080
151189977,0cyclictest741-21lldpd08:52:390
151189977,0cyclictest741-21lldpd07:19:220
151189976,1cyclictest743-21snmpd12:02:500
151189976,1cyclictest743-21snmpd10:57:410
151189976,1cyclictest743-21snmpd10:07:500
151189976,1cyclictest743-21snmpd07:20:320
151189976,1cyclictest743-21snmpd07:12:080
151189976,1cyclictest13508-21gltestperf12:20:130
151189975,2cyclictest743-21snmpd12:29:530
151189975,2cyclictest743-21snmpd10:02:100
151189975,2cyclictest743-21snmpd07:58:130
151189975,2cyclictest743-21snmpd07:53:270
151319966,0cyclictest743-21snmpd11:06:183
151319966,0cyclictest743-21snmpd09:42:543
151319966,0cyclictest743-21snmpd09:13:023
151319966,0cyclictest741-21lldpd10:44:313
151319966,0cyclictest522-21avahi-daemon12:01:023
151319966,0cyclictest522-21avahi-daemon11:39:553
151319966,0cyclictest522-21avahi-daemon09:15:043
151319965,1cyclictest743-21snmpd10:32:423
151319965,1cyclictest741-21lldpd12:30:103
151319965,1cyclictest741-21lldpd11:27:503
151319965,1cyclictest741-21lldpd07:45:113
151319963,3cyclictest743-21snmpd07:27:203
151319963,3cyclictest26033-21ntp_192.168.11411:30:173
151319963,2cyclictest743-21snmpd11:55:103
151319962,3cyclictest9645-21memory12:10:143
151289966,0cyclictest743-21snmpd10:48:002
151289966,0cyclictest741-21lldpd12:15:512
151289966,0cyclictest741-21lldpd09:47:352
151289966,0cyclictest741-21lldpd08:48:362
151289966,0cyclictest741-21lldpd08:38:132
151289966,0cyclictest522-21avahi-daemon12:27:262
151289966,0cyclictest21028-21munin-plugin-st11:20:002
151289965,1cyclictest743-21snmpd11:20:162
151289965,1cyclictest743-21snmpd10:36:142
151289965,1cyclictest743-21snmpd07:26:532
151289965,1cyclictest741-21lldpd10:14:192
151289964,2cyclictest743-21snmpd10:26:382
151289964,2cyclictest557-21NetworkManager08:15:262
151289964,2cyclictest25737-21awk08:55:002
151289963,3cyclictest7369-21fw_forwarded_lo12:05:112
151289961,4cyclictest19262-21cat07:20:002
151189966,0cyclictest743-21snmpd12:11:590
151189966,0cyclictest743-21snmpd11:25:240
151189966,0cyclictest743-21snmpd11:22:010
151189966,0cyclictest743-21snmpd08:23:560
151189966,0cyclictest741-21lldpd11:06:530
151189966,0cyclictest741-21lldpd08:25:290
151189966,0cyclictest741-21lldpd08:04:110
151189965,1cyclictest8586-21fschecks_time09:30:120
151189965,1cyclictest743-21snmpd11:52:380
151189965,1cyclictest743-21snmpd09:37:040
151189965,1cyclictest743-21snmpd09:15:020
151189964,2cyclictest743-21snmpd10:35:390
151319955,0cyclictest741-21lldpd07:41:333
151319953,2cyclictest743-21snmpd09:20:053
151319953,2cyclictest743-21snmpd08:28:343
151319953,2cyclictest743-21snmpd08:20:433
151319953,2cyclictest557-21NetworkManager08:39:163
151319953,2cyclictest14840-21cat09:45:133
151319952,3cyclictest24026-21cut07:30:123
151319952,3cyclictest19260-21grep09:55:163
151319952,2cyclictest3576-21awk10:35:143
151319952,2cyclictest26334-21sed07:35:153
151319952,2cyclictest244-20systemd-journal12:24:073
151319952,2cyclictest23422-21cut10:05:203
151289955,0cyclictest743-21snmpd10:50:082
151289955,0cyclictest743-21snmpd09:27:062
151289955,0cyclictest741-21lldpd11:51:312
151289954,1cyclictest743-21snmpd07:34:512
151289953,2cyclictest575-21rs:main2
151289953,2cyclictest31406-21apt-get11:45:102
151289952,3cyclictest557-21NetworkManager09:55:122
151289952,2cyclictest3988-21ps11:55:172
151289952,2cyclictest30190-21ld11:40:142
151289952,2cyclictest244-20systemd-journal07:55:422
151189955,0cyclictest743-21snmpd08:16:550
151189955,0cyclictest522-21avahi-daemon11:56:210
151189955,0cyclictest522-21avahi-daemon08:56:190
151189955,0cyclictest506-21systemd-resolve08:49:010
151189954,1cyclictest741-21lldpd11:45:220
151189953,2cyclictest743-21snmpd07:35:420
151189950,4cyclictest7789-21ntpq12:05:130
151189950,2cyclictest57041cpuspeed_turbos08:05:110
151189950,0cyclictest0-21swapper/011:10:180
151319941,3cyclictest30504-21perl09:05:143
151319940,4cyclictest18095-21ntpq11:10:163
151319940,3cyclictest27730-21ntpq10:15:163
151319940,3cyclictest20035-21ntpq11:15:183
151319940,3cyclictest19897-21diskstats08:40:113
151319940,3cyclictest17484-21diskstats07:15:113
151289944,0cyclictest743-21snmpd09:51:182
151289943,1cyclictest575-21rs:main2
151289943,1cyclictest421ktimers/209:05:142
151289943,1cyclictest32034-21cut07:50:102
151289942,2cyclictest5582-21cat10:40:122
151289941,2cyclictest9248-21awk09:30:182
151289940,3cyclictest22604-21cut10:05:152
151289940,2cyclictest23297-21/usr/sbin/munin11:25:112
151189943,1cyclictest741-21lldpd11:34:140
151189943,1cyclictest22216-21cat07:25:130
151189942,2cyclictest717-21ntpd07:30:110
151189942,2cyclictest557-21NetworkManager08:30:060
151189941,2cyclictest17726-21cpu08:35:120
151189940,4cyclictest4691-21ntpq09:20:160
151189940,4cyclictest31620-21memory10:25:130
151189940,3cyclictest7917-21ntpq10:45:150
151189940,3cyclictest29685-21fw_conntrack11:40:110
151189940,3cyclictest24699-21fschecks_count10:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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