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2026-04-21 - 08:46

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 highest latencies:
System rack8slot6s.osadl.org (updated Tue Apr 21, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29412991918,1cyclictest65850irq/126-lan21:50:123
29412991818,0cyclictest65850irq/126-lan23:55:123
29412991818,0cyclictest65850irq/126-lan23:00:123
29412991818,0cyclictest65850irq/126-lan20:30:213
29412991817,1cyclictest65850irq/126-lan23:10:213
29412991817,1cyclictest65850irq/126-lan23:00:003
29412991817,1cyclictest65850irq/126-lan00:35:233
29412991717,0cyclictest65850irq/126-lan20:54:513
29412991717,0cyclictest65850irq/126-lan19:30:153
29412991716,1cyclictest65850irq/126-lan22:30:133
29412991716,1cyclictest65850irq/126-lan19:55:153
29412991716,1cyclictest65850irq/126-lan19:45:123
29412991716,1cyclictest65850irq/126-lan00:30:203
29412991616,0cyclictest65850irq/126-lan22:50:183
29412991616,0cyclictest65850irq/126-lan20:25:173
29412991616,0cyclictest65850irq/126-lan19:25:163
29412991616,0cyclictest65850irq/126-lan19:15:113
29412991615,1cyclictest65850irq/126-lan23:50:213
29412991615,1cyclictest65850irq/126-lan23:40:123
29412991615,1cyclictest65850irq/126-lan23:25:143
29412991615,1cyclictest65850irq/126-lan23:20:183
29412991615,1cyclictest65850irq/126-lan22:40:213
29412991615,1cyclictest65850irq/126-lan22:05:213
29412991615,1cyclictest65850irq/126-lan21:15:173
29412991615,1cyclictest65850irq/126-lan00:10:153
29412991615,1cyclictest65850irq/126-lan00:00:203
29412991515,0cyclictest65850irq/126-lan23:45:143
29412991515,0cyclictest65850irq/126-lan23:30:183
29412991515,0cyclictest65850irq/126-lan22:00:113
29412991515,0cyclictest65850irq/126-lan20:00:153
29412991515,0cyclictest65850irq/126-lan19:40:123
29412991514,1cyclictest65850irq/126-lan22:45:183
29412991514,1cyclictest65850irq/126-lan22:35:143
29412991514,1cyclictest65850irq/126-lan22:25:183
29412991514,1cyclictest65850irq/126-lan22:20:203
29412991514,1cyclictest65850irq/126-lan22:15:133
29412991514,1cyclictest65850irq/126-lan21:30:163
29412991514,1cyclictest65850irq/126-lan20:05:223
29412991514,1cyclictest65850irq/126-lan00:05:193
29412991414,0cyclictest65850irq/126-lan20:10:153
29412991414,0cyclictest65850irq/126-lan00:25:183
29412991414,0cyclictest65850irq/126-lan00:17:063
29412991413,1cyclictest65850irq/126-lan22:10:133
29412991413,1cyclictest65850irq/126-lan21:40:173
29412991413,1cyclictest65850irq/126-lan20:55:113
29412991413,1cyclictest65850irq/126-lan19:20:163
29412991413,1cyclictest65850irq/126-lan19:10:123
29412991313,0cyclictest65850irq/126-lan21:35:123
29412991313,0cyclictest65850irq/126-lan20:45:173
29412991312,1cyclictest65850irq/126-lan21:47:523
29412991312,1cyclictest65850irq/126-lan21:23:443
29412991312,1cyclictest65850irq/126-lan20:21:133
29412991312,1cyclictest65850irq/126-lan19:50:173
29412991312,1cyclictest65850irq/126-lan00:20:143
29412991212,0cyclictest65850irq/126-lan21:10:153
29412991212,0cyclictest65850irq/126-lan19:35:133
29412991211,1cyclictest65850irq/126-lan23:15:143
29412991211,1cyclictest65850irq/126-lan20:35:143
29412991211,1cyclictest65850irq/126-lan20:15:143
29397991210,2cyclictest743-21snmpd23:12:480
29412991110,1cyclictest65850irq/126-lan21:05:173
2941299109,1cyclictest65850irq/126-lan23:35:003
29412991010,0cyclictest65850irq/126-lan21:25:303
29412991010,0cyclictest65850irq/126-lan20:40:053
294129999,0cyclictest65850irq/126-lan21:00:083
294089998,1cyclictest743-21snmpd23:28:482
294089998,1cyclictest743-21snmpd19:30:122
294089998,1cyclictest743-21snmpd19:29:542
294089998,1cyclictest1994-21dump-pmu-power23:20:012
294039998,1cyclictest743-21snmpd20:37:141
294039998,1cyclictest743-21snmpd19:25:031
293979998,1cyclictest743-21snmpd23:04:540
293979998,1cyclictest743-21snmpd21:36:540
293979996,3cyclictest743-21snmpd22:16:110
294129988,0cyclictest65850irq/126-lan23:08:053
294129987,1cyclictest928-21needreboot21:55:163
294089988,0cyclictest743-21snmpd20:47:382
294089988,0cyclictest743-21snmpd00:23:362
294089988,0cyclictest741-21lldpd22:23:542
294089987,1cyclictest743-21snmpd23:22:332
294089987,1cyclictest743-21snmpd23:06:212
294089987,1cyclictest743-21snmpd22:53:352
294089987,1cyclictest743-21snmpd21:55:582
294089987,1cyclictest743-21snmpd20:24:102
294089987,1cyclictest741-21lldpd22:02:482
294089987,1cyclictest13014-21needreboot23:45:142
294089986,2cyclictest743-21snmpd21:23:572
294089986,2cyclictest743-21snmpd20:31:502
294089986,2cyclictest743-21snmpd20:15:372
294039988,0cyclictest743-21snmpd19:14:531
294039988,0cyclictest741-21lldpd21:57:511
294039987,1cyclictest743-21snmpd23:17:391
294039987,1cyclictest743-21snmpd22:57:091
294039987,1cyclictest743-21snmpd21:05:021
294039987,1cyclictest743-21snmpd20:14:251
294039986,2cyclictest743-21snmpd20:56:261
293979988,0cyclictest743-21snmpd21:57:250
293979988,0cyclictest743-21snmpd19:11:440
293979988,0cyclictest743-21snmpd00:09:590
293979988,0cyclictest741-21lldpd23:35:480
293979988,0cyclictest741-21lldpd22:04:390
293979988,0cyclictest741-21lldpd20:05:380
293979988,0cyclictest741-21lldpd19:42:410
293979988,0cyclictest741-21lldpd19:20:530
293979987,1cyclictest743-21snmpd22:26:260
293979987,1cyclictest743-21snmpd21:54:010
293979987,1cyclictest741-21lldpd23:41:590
293979987,1cyclictest506-21systemd-resolve19:29:180
293979986,2cyclictest743-21snmpd23:21:490
293979986,2cyclictest743-21snmpd22:49:500
293979986,2cyclictest743-21snmpd21:43:540
293979986,2cyclictest743-21snmpd20:51:260
293979986,2cyclictest743-21snmpd19:52:580
293979986,2cyclictest743-21snmpd00:38:150
293979980,8cyclictest19235-21gltestperf00:00:130
294089977,0cyclictest743-21snmpd21:25:162
294089977,0cyclictest743-21snmpd00:31:542
294089977,0cyclictest741-21lldpd22:45:012
294089977,0cyclictest741-21lldpd22:31:492
294089977,0cyclictest741-21lldpd21:37:072
294089976,1cyclictest743-21snmpd23:10:092
294089976,1cyclictest743-21snmpd22:38:232
294089976,1cyclictest743-21snmpd22:10:522
294089976,1cyclictest743-21snmpd00:07:122
294089976,1cyclictest21721-21gltestperf20:10:132
294089976,1cyclictest17112-21sendmail20:00:002
294089975,2cyclictest743-21snmpd23:54:532
294089975,2cyclictest743-21snmpd21:42:042
294089975,2cyclictest743-21snmpd20:42:142
294089975,2cyclictest743-21snmpd20:27:532
294089975,2cyclictest743-21snmpd19:47:392
294089973,3cyclictest19704-21fw_conntrack20:05:142
294039977,0cyclictest743-21snmpd23:30:391
294039977,0cyclictest743-21snmpd20:49:021
294039977,0cyclictest741-21lldpd23:25:491
294039977,0cyclictest741-21lldpd22:23:221
294039977,0cyclictest741-21lldpd22:15:501
294039977,0cyclictest741-21lldpd21:53:231
294039977,0cyclictest741-21lldpd20:34:521
294039977,0cyclictest741-21lldpd19:58:141
294039977,0cyclictest741-21lldpd00:22:221
294039977,0cyclictest741-21lldpd00:02:111
294039976,1cyclictest743-21snmpd22:40:381
294039976,1cyclictest743-21snmpd20:43:381
294039976,1cyclictest522-21avahi-daemon23:35:371
294039976,1cyclictest0-21swapper/119:35:171
294039975,2cyclictest743-21snmpd23:14:301
294039975,2cyclictest743-21snmpd22:35:441
294039975,2cyclictest743-21snmpd22:30:211
294039975,2cyclictest743-21snmpd21:35:001
294039975,2cyclictest743-21snmpd21:10:041
294039973,3cyclictest20266-21ntp_states20:05:181
293979977,0cyclictest743-21snmpd22:40:110
293979977,0cyclictest743-21snmpd21:17:390
293979977,0cyclictest741-21lldpd19:17:330
293979976,1cyclictest743-21snmpd19:58:010
293979976,1cyclictest15441-21munin-plugin-st21:15:000
293979975,2cyclictest743-21snmpd23:47:100
293979975,2cyclictest743-21snmpd23:09:180
293979975,2cyclictest743-21snmpd22:56:420
293979975,2cyclictest743-21snmpd21:02:560
293979975,2cyclictest743-21snmpd20:40:080
293979975,2cyclictest743-21snmpd20:32:500
293979975,2cyclictest743-21snmpd00:12:080
293979973,3cyclictest23038-21ntp_states21:30:180
294089966,0cyclictest573-21in:imuxsock21:54:542
294089966,0cyclictest522-21avahi-daemon23:30:062
294089965,1cyclictest743-21snmpd23:44:492
294089965,1cyclictest743-21snmpd22:15:582
294089965,1cyclictest522-21avahi-daemon22:55:132
294089965,1cyclictest29826-21fschecks_time19:10:142
294089965,1cyclictest22846-21needreboot21:30:162
294089965,1cyclictest17001-21fschecks_count23:55:112
294089964,2cyclictest743-21snmpd21:03:022
294089964,2cyclictest743-21snmpd19:51:462
294089964,2cyclictest743-21snmpd19:39:482
294089962,3cyclictest20624-21basename00:05:002
294039966,0cyclictest743-21snmpd21:48:151
294039966,0cyclictest743-21snmpd19:16:051
294039966,0cyclictest743-21snmpd00:25:411
294039966,0cyclictest741-21lldpd23:56:111
294039966,0cyclictest741-21lldpd23:44:231
294039966,0cyclictest741-21lldpd22:12:001
294039966,0cyclictest741-21lldpd19:46:241
294039966,0cyclictest741-21lldpd00:16:511
294039965,1cyclictest545-21thermald20:21:001
294039965,1cyclictest522-21avahi-daemon23:51:331
294039964,2cyclictest31388-21cat00:30:131
294039963,2cyclictest244-20systemd-journal21:27:121
294039962,3cyclictest24232-21ntpq20:15:171
294039960,5cyclictest23549-21seq21:30:221
294039960,5cyclictest13415-21sed23:45:191
293979966,0cyclictest743-21snmpd20:45:020
293979966,0cyclictest743-21snmpd00:27:580
293979966,0cyclictest741-21lldpd00:33:440
293979966,0cyclictest522-21avahi-daemon20:56:090
293979964,2cyclictest743-21snmpd21:06:540
293979964,2cyclictest25316-21cat00:15:130
293979962,3cyclictest244-20systemd-journal20:14:470
294089955,0cyclictest741-21lldpd20:56:472
294089955,0cyclictest522-21avahi-daemon00:39:322
294089954,1cyclictest522-21avahi-daemon00:15:202
294089953,2cyclictest743-21snmpd23:02:132
294089953,2cyclictest743-21snmpd22:08:402
294089953,2cyclictest743-21snmpd19:42:332
294089953,2cyclictest29785-21ntp_states00:25:172
294089952,3cyclictest557-21NetworkManager20:35:072
294089952,3cyclictest17695-21fw_forwarded_lo20:00:132
294089952,2cyclictest17306-21seq21:18:212
294089952,2cyclictest13849-21diskstats21:10:122
294089951,3cyclictest12115-21smartctl21:05:182
294039955,0cyclictest741-21lldpd19:40:371
294039955,0cyclictest522-21avahi-daemon22:02:271
294039955,0cyclictest522-21avahi-daemon19:31:401
294039954,1cyclictest743-21snmpd22:28:081
294039953,2cyclictest743-21snmpd20:01:581
294039953,2cyclictest743-21snmpd00:11:321
294039953,2cyclictest557-21NetworkManager23:20:541
294039953,2cyclictest0-21swapper/119:55:011
294039952,3cyclictest244-20systemd-journal21:17:261
294039952,2cyclictest481-21sshd00:35:051
294039952,2cyclictest27450-21sshd20:25:051
294039952,2cyclictest27112-21sed23:00:151
294039952,2cyclictest23379-21ld22:50:171
294039951,3cyclictest5709-21users22:05:211
294039951,3cyclictest22365-21grep22:50:011
294039951,3cyclictest21325-21uname00:05:151
293979955,0cyclictest741-21lldpd23:59:050
293979955,0cyclictest741-21lldpd21:25:470
293979955,0cyclictest741-21lldpd20:36:580
293979954,1cyclictest743-21snmpd22:24:100
293979953,2cyclictest743-21snmpd23:16:270
293979953,2cyclictest743-21snmpd22:14:430
293979953,2cyclictest743-21snmpd19:36:270
293979953,2cyclictest14874-21cat22:30:140
293979952,3cyclictest557-21NetworkManager00:21:020
293979952,2cyclictest743-21snmpd22:35:050
293979952,2cyclictest717-21ntpd23:50:170
293979952,2cyclictest6171-21ls23:30:000
293979952,2cyclictest244-20systemd-journal20:27:470
293979950,5cyclictest557-21NetworkManager19:34:440
293979950,5cyclictest0-21swapper/022:09:260
294089942,2cyclictest23021-21tr00:10:122
294089942,2cyclictest12910-21tr22:25:162
294089941,2cyclictest31586-21cat19:15:102
294089941,2cyclictest244-20systemd-journal22:40:112
294089941,2cyclictest244-20systemd-journal19:20:062
294089940,3cyclictest8596-21fw_packets23:35:122
294089940,3cyclictest5882-21ntp_192.168.11420:50:142
294089940,3cyclictest28226-21dpkg21:45:002
294039942,2cyclictest26662-21cat21:40:151
294039942,2cyclictest18930-21ntpq21:20:161
294039941,2cyclictest28548-21seq23:05:081
294039941,2cyclictest1486-21fschecks_time19:20:121
294039940,3cyclictest9518-21fw_conntrack21:00:121
294039940,3cyclictest5349-21diskstats20:50:101
293979943,1cyclictest171ktimers/022:50:120
293979942,2cyclictest524-21dbus-daemon20:21:000
293979941,2cyclictest28576-21awk21:45:000
293979941,2cyclictest18460-21gltestperf21:20:130
293979940,4cyclictest24139-21ntpq20:15:160
293979940,3cyclictest6491-21expr23:30:130
293979940,3cyclictest17375-21/usr/sbin/munin20:00:120
293979940,3cyclictest11509-21diskstats19:45:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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