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2026-03-21 - 17:04

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 Sat Mar 21, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16245991918,1cyclictest65850irq/126-lan11:29:463
16245991918,1cyclictest65850irq/126-lan10:30:543
16245991918,1cyclictest65850irq/126-lan10:20:213
16245991818,0cyclictest65850irq/126-lan11:10:253
16245991818,0cyclictest65850irq/126-lan10:50:183
16245991818,0cyclictest65850irq/126-lan08:24:543
16245991817,1cyclictest65850irq/126-lan11:00:133
16245991817,1cyclictest65850irq/126-lan10:35:533
16245991717,0cyclictest65850irq/126-lan11:55:183
16245991717,0cyclictest65850irq/126-lan10:45:123
16245991717,0cyclictest65850irq/126-lan07:25:113
16245991716,1cyclictest65850irq/126-lan12:20:203
16245991716,1cyclictest65850irq/126-lan11:45:173
16245991716,1cyclictest65850irq/126-lan09:56:213
16245991716,1cyclictest65850irq/126-lan08:40:183
16245991716,1cyclictest65850irq/126-lan08:35:143
16245991716,1cyclictest65850irq/126-lan08:00:203
16245991716,1cyclictest65850irq/126-lan07:40:153
16245991616,0cyclictest65850irq/126-lan10:05:133
16245991616,0cyclictest65850irq/126-lan07:45:163
16245991615,1cyclictest65850irq/126-lan12:34:543
16245991615,1cyclictest65850irq/126-lan11:15:153
16245991615,1cyclictest65850irq/126-lan07:53:543
16236991616,0cyclictest65850irq/126-lan07:15:001
16236991616,0cyclictest65850irq/126-lan07:10:211
16245991515,0cyclictest65850irq/126-lan10:26:543
16245991515,0cyclictest65850irq/126-lan09:45:143
16245991515,0cyclictest65850irq/126-lan09:35:133
16245991514,1cyclictest65850irq/126-lan12:15:193
16245991514,1cyclictest65850irq/126-lan09:15:103
16245991514,1cyclictest65850irq/126-lan09:10:193
16245991514,1cyclictest65850irq/126-lan09:00:103
16245991514,1cyclictest65850irq/126-lan08:15:163
16245991514,1cyclictest65850irq/126-lan08:10:153
16245991414,0cyclictest65850irq/126-lan12:10:213
16245991414,0cyclictest65850irq/126-lan12:05:003
16245991414,0cyclictest65850irq/126-lan12:03:183
16245991414,0cyclictest65850irq/126-lan10:14:523
16245991414,0cyclictest65850irq/126-lan09:40:193
16245991414,0cyclictest65850irq/126-lan08:06:543
16245991413,1cyclictest65850irq/126-lan12:35:143
16245991413,1cyclictest65850irq/126-lan11:50:183
16245991413,1cyclictest65850irq/126-lan10:55:153
16245991413,1cyclictest65850irq/126-lan09:50:193
16245991413,1cyclictest65850irq/126-lan08:55:153
16245991413,1cyclictest65850irq/126-lan08:30:163
16245991413,1cyclictest65850irq/126-lan08:00:013
16245991313,0cyclictest65850irq/126-lan11:20:133
16245991313,0cyclictest65850irq/126-lan11:09:523
16245991313,0cyclictest65850irq/126-lan09:28:553
16245991313,0cyclictest65850irq/126-lan07:24:553
16245991312,1cyclictest65850irq/126-lan11:40:173
16245991312,1cyclictest65850irq/126-lan08:25:133
16245991212,0cyclictest65850irq/126-lan11:35:163
16245991211,1cyclictest65850irq/126-lan12:25:153
16245991211,1cyclictest65850irq/126-lan08:50:133
16245991211,1cyclictest65850irq/126-lan07:35:123
16245991111,0cyclictest65850irq/126-lan07:20:003
16245991110,1cyclictest65850irq/126-lan11:30:193
16245991110,1cyclictest65850irq/126-lan10:45:003
16245991110,1cyclictest65850irq/126-lan10:00:193
1624599109,1cyclictest65850irq/126-lan07:30:173
16245991010,0cyclictest65850irq/126-lan10:15:133
16245991010,0cyclictest65850irq/126-lan09:30:133
162459998,1cyclictest65850irq/126-lan09:20:153
162429998,1cyclictest743-21snmpd12:10:332
162429998,1cyclictest743-21snmpd12:07:012
162429998,1cyclictest743-21snmpd11:03:022
162429998,1cyclictest743-21snmpd10:20:512
162429998,1cyclictest743-21snmpd08:55:002
162429998,1cyclictest743-21snmpd08:21:282
162429998,1cyclictest29471-21dump-pmu-power11:35:002
162369998,1cyclictest743-21snmpd11:33:331
162369998,1cyclictest743-21snmpd08:50:141
162369998,1cyclictest741-21lldpd08:57:391
162279998,1cyclictest743-21snmpd12:03:040
162279998,1cyclictest743-21snmpd10:52:470
162279998,1cyclictest743-21snmpd09:39:250
162279998,1cyclictest743-21snmpd08:43:570
162279998,1cyclictest743-21snmpd08:19:320
162279998,1cyclictest741-21lldpd11:45:380
162459988,0cyclictest65850irq/126-lan09:05:143
162429988,0cyclictest743-21snmpd11:36:482
162429988,0cyclictest743-21snmpd09:59:572
162429988,0cyclictest743-21snmpd09:29:262
162429988,0cyclictest743-21snmpd07:43:312
162429988,0cyclictest741-21lldpd09:13:552
162429988,0cyclictest741-21lldpd08:06:472
162429988,0cyclictest741-21lldpd07:50:352
162429987,1cyclictest743-21snmpd11:07:022
162429987,1cyclictest743-21snmpd10:34:582
162429987,1cyclictest743-21snmpd07:49:092
162429987,1cyclictest741-21lldpd10:35:542
162429987,1cyclictest741-21lldpd08:30:322
162429987,1cyclictest506-21systemd-resolve07:55:172
162429986,2cyclictest743-21snmpd11:14:042
162429986,2cyclictest743-21snmpd09:07:572
162369988,0cyclictest743-21snmpd10:45:071
162369988,0cyclictest743-21snmpd08:49:241
162369988,0cyclictest743-21snmpd08:43:001
162369988,0cyclictest743-21snmpd07:30:251
162369988,0cyclictest741-21lldpd11:18:271
162369988,0cyclictest741-21lldpd09:27:061
162369987,1cyclictest743-21snmpd11:58:301
162369987,1cyclictest743-21snmpd08:32:241
162369987,1cyclictest743-21snmpd07:20:591
162369986,2cyclictest743-21snmpd11:51:011
162369986,2cyclictest743-21snmpd10:53:231
162369986,2cyclictest743-21snmpd10:36:101
162369986,2cyclictest743-21snmpd09:58:481
162279988,0cyclictest743-21snmpd10:31:100
162279988,0cyclictest743-21snmpd09:19:010
162279988,0cyclictest743-21snmpd08:20:040
162279988,0cyclictest743-21snmpd07:10:300
162279988,0cyclictest741-21lldpd08:53:200
162279988,0cyclictest741-21lldpd08:13:490
162279987,1cyclictest743-21snmpd08:45:240
162279987,1cyclictest743-21snmpd07:47:040
162279987,1cyclictest741-21lldpd09:45:420
162279987,1cyclictest522-21avahi-daemon10:55:190
162279986,2cyclictest743-21snmpd11:28:470
162279986,2cyclictest743-21snmpd10:04:300
162279986,2cyclictest743-21snmpd09:12:490
162279986,2cyclictest743-21snmpd09:03:130
162459976,1cyclictest743-21snmpd07:13:033
162429977,0cyclictest743-21snmpd12:00:132
162429977,0cyclictest743-21snmpd10:04:152
162429977,0cyclictest743-21snmpd09:41:142
162429977,0cyclictest741-21lldpd12:24:162
162429977,0cyclictest741-21lldpd11:52:562
162429977,0cyclictest741-21lldpd11:20:252
162429977,0cyclictest741-21lldpd08:44:052
162429977,0cyclictest741-21lldpd07:24:352
162429976,1cyclictest743-21snmpd12:35:172
162429976,1cyclictest743-21snmpd08:02:012
162429976,1cyclictest741-21lldpd10:13:002
162429976,1cyclictest522-21avahi-daemon10:25:432
162429976,1cyclictest26593-21latency_hist08:50:012
162429975,2cyclictest743-21snmpd12:32:382
162429975,2cyclictest743-21snmpd11:45:392
162429975,2cyclictest743-21snmpd10:18:252
162369977,0cyclictest743-21snmpd11:29:411
162369977,0cyclictest743-21snmpd07:46:581
162369977,0cyclictest741-21lldpd11:07:531
162369977,0cyclictest741-21lldpd09:40:221
162369977,0cyclictest741-21lldpd08:24:141
162369977,0cyclictest741-21lldpd08:01:201
162369976,1cyclictest743-21snmpd08:07:011
162369976,1cyclictest522-21avahi-daemon12:25:221
162369976,1cyclictest3498-21cpuspeed_turbos10:30:121
162369975,2cyclictest743-21snmpd10:27:241
162369975,2cyclictest743-21snmpd08:19:411
162369975,2cyclictest743-21snmpd07:39:451
162369975,2cyclictest20401-21cat12:30:151
162279977,0cyclictest743-21snmpd12:33:500
162279977,0cyclictest743-21snmpd10:48:140
162279977,0cyclictest743-21snmpd10:38:310
162279977,0cyclictest741-21lldpd12:13:160
162279977,0cyclictest741-21lldpd11:41:390
162279977,0cyclictest741-21lldpd11:21:010
162279977,0cyclictest741-21lldpd10:11:190
162279977,0cyclictest741-21lldpd08:58:530
162279977,0cyclictest741-21lldpd07:54:310
162279976,1cyclictest743-21snmpd11:56:550
162279976,1cyclictest743-21snmpd10:06:270
162279976,1cyclictest743-21snmpd09:07:000
162279976,1cyclictest741-21lldpd11:17:430
162279975,2cyclictest743-21snmpd12:09:340
162279975,2cyclictest743-21snmpd11:07:500
162279975,2cyclictest743-21snmpd10:15:000
162279975,2cyclictest743-21snmpd09:58:440
162279975,2cyclictest743-21snmpd08:28:060
162279975,2cyclictest23348-21cat07:25:150
162459966,0cyclictest65850irq/126-lan08:45:123
162429966,0cyclictest743-21snmpd09:00:132
162429966,0cyclictest743-21snmpd09:00:012
162429966,0cyclictest743-21snmpd07:19:022
162429966,0cyclictest741-21lldpd09:34:182
162429966,0cyclictest741-21lldpd09:15:472
162429966,0cyclictest522-21avahi-daemon10:41:262
162429965,1cyclictest743-21snmpd08:35:292
162429965,1cyclictest743-21snmpd07:13:482
162429965,1cyclictest506-21systemd-resolve11:57:082
162429964,2cyclictest743-21snmpd10:51:502
162429963,3cyclictest17403-21diskstats09:45:132
162429963,2cyclictest244-20systemd-journal09:23:162
162429962,3cyclictest244-20systemd-journal12:29:562
162369966,0cyclictest743-21snmpd12:01:071
162369966,0cyclictest743-21snmpd11:00:321
162369966,0cyclictest743-21snmpd10:05:051
162369966,0cyclictest743-21snmpd09:49:441
162369966,0cyclictest743-21snmpd09:30:351
162369966,0cyclictest741-21lldpd09:10:531
162369966,0cyclictest522-21avahi-daemon07:58:331
162369965,1cyclictest31835-21cpuspeed_turbos11:40:101
162369965,1cyclictest13258-21cpuspeed_turbos09:35:111
162369964,2cyclictest743-21snmpd07:43:341
162369963,3cyclictest743-21snmpd07:53:131
162369962,3cyclictest2734-21users11:45:201
162369962,3cyclictest24709-21sshd10:00:551
162279966,0cyclictest741-21lldpd11:14:020
162279966,0cyclictest741-21lldpd10:41:360
162279966,0cyclictest573-21in:imuxsock10:27:390
162279966,0cyclictest522-21avahi-daemon12:18:350
162279965,1cyclictest743-21snmpd11:38:420
162279965,1cyclictest743-21snmpd08:39:500
162279965,1cyclictest743-21snmpd08:33:270
162279965,1cyclictest522-21avahi-daemon10:23:550
162279965,1cyclictest23757-21idleruntime-cro12:40:000
162279965,1cyclictest16562-21needreboot12:20:170
162279964,2cyclictest743-21snmpd11:33:240
162279964,2cyclictest25363-21cat07:30:150
162279962,3cyclictest8588-21dpkg08:10:000
162429955,0cyclictest522-21avahi-daemon10:05:482
162429954,1cyclictest743-21snmpd11:40:502
162429954,1cyclictest741-21lldpd11:26:122
162429953,2cyclictest743-21snmpd08:12:352
162429952,2cyclictest575-21rs:main2
162429952,2cyclictest17128-21sed08:25:212
162429951,3cyclictest23053-21sshd11:15:522
162429951,3cyclictest21073-21grep09:55:002
162369955,0cyclictest743-21snmpd08:38:471
162369955,0cyclictest741-21lldpd12:09:101
162369955,0cyclictest522-21avahi-daemon10:15:071
162369955,0cyclictest522-21avahi-daemon09:23:381
162369953,2cyclictest743-21snmpd09:53:021
162369952,3cyclictest743-21snmpd11:21:541
162369952,3cyclictest743-21snmpd10:23:161
162369952,3cyclictest557-21NetworkManager10:10:021
162369952,2cyclictest17698-21seq08:28:471
162369952,2cyclictest10003-21ntpq08:10:171
162369951,4cyclictest557-21NetworkManager09:18:591
162369951,3cyclictest8785-21sed10:40:191
162369951,3cyclictest20344-21ntpq11:10:151
162369950,5cyclictest557-21NetworkManager12:36:371
162279955,0cyclictest743-21snmpd09:33:170
162279955,0cyclictest522-21avahi-daemon07:58:390
162279955,0cyclictest506-21systemd-resolve07:21:200
162279954,1cyclictest522-21avahi-daemon11:03:080
162279953,2cyclictest743-21snmpd09:43:010
162279953,2cyclictest743-21snmpd07:39:030
162279952,2cyclictest19475-21tune2fs09:50:120
162279951,3cyclictest9807-21sed09:25:220
162429944,0cyclictest0-21swapper/207:35:102
162429942,2cyclictest13503-21head09:35:122
162429941,2cyclictest14560-21grep10:55:192
162429941,2cyclictest13970-21wc12:15:102
162429940,4cyclictest23654-21ntpq07:25:172
162429940,3cyclictest25231-21fw_packets07:30:142
162429940,3cyclictest11877-21fw_packets08:15:122
162369944,0cyclictest522-21avahi-daemon07:28:591
162369943,1cyclictest743-21snmpd09:07:031
162369942,2cyclictest30464-21ntpq11:35:171
162369941,3cyclictest14156-21perl12:15:111
162369941,2cyclictest16459-21latency12:20:161
162369941,2cyclictest13876-21tail10:55:141
162369940,3cyclictest31558-21/usr/sbin/munin09:00:141
162279942,2cyclictest18107-21df12:25:120
162279941,2cyclictest6726-21dpkg09:20:100
162279941,2cyclictest19153-21cut07:15:130
162279940,3cyclictest4942-21cut08:00:130
162279940,3cyclictest3949-21memory11:50:150
162279940,3cyclictest29880-21ntp_states07:40:180
162369931,2cyclictest11426-21seq12:10:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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