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2026-07-23 - 07:01

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 23, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1356991918,1cyclictest65850irq/126-lan19:58:371
1366991818,0cyclictest743-21snmpd00:32:573
1356991818,0cyclictest65850irq/126-lan20:50:201
1356991818,0cyclictest65850irq/126-lan20:35:001
1356991818,0cyclictest65850irq/126-lan19:35:181
1356991817,1cyclictest65850irq/126-lan00:25:111
1356991817,1cyclictest65850irq/126-lan00:20:131
1356991817,1cyclictest65850irq/126-lan00:00:151
1356991717,0cyclictest65850irq/126-lan23:15:201
1356991717,0cyclictest65850irq/126-lan22:20:221
1356991717,0cyclictest65850irq/126-lan21:40:211
1356991717,0cyclictest65850irq/126-lan20:25:171
1356991717,0cyclictest65850irq/126-lan19:20:191
1356991717,0cyclictest65850irq/126-lan19:10:131
1356991717,0cyclictest65850irq/126-lan00:34:571
1356991716,1cyclictest65850irq/126-lan23:50:131
1356991716,1cyclictest65850irq/126-lan23:40:201
1356991716,1cyclictest65850irq/126-lan23:25:201
1356991716,1cyclictest65850irq/126-lan22:10:141
1366991616,0cyclictest743-21snmpd20:18:203
1366991616,0cyclictest743-21snmpd19:43:413
1356991616,0cyclictest65850irq/126-lan23:55:131
1356991616,0cyclictest65850irq/126-lan20:45:101
1356991616,0cyclictest65850irq/126-lan20:40:001
1356991616,0cyclictest65850irq/126-lan20:20:151
1356991616,0cyclictest65850irq/126-lan19:50:111
1356991616,0cyclictest65850irq/126-lan19:45:151
1356991615,1cyclictest65850irq/126-lan22:40:481
1356991615,1cyclictest65850irq/126-lan21:50:281
1356991615,1cyclictest65850irq/126-lan21:35:141
1356991615,1cyclictest65850irq/126-lan21:15:131
1356991615,1cyclictest65850irq/126-lan20:10:271
1356991615,1cyclictest65850irq/126-lan20:05:251
1366991515,0cyclictest743-21snmpd19:37:403
1366991515,0cyclictest743-21snmpd19:23:013
1366991515,0cyclictest17187-21cat23:50:133
1356991515,0cyclictest65850irq/126-lan23:05:111
1356991515,0cyclictest65850irq/126-lan22:50:161
1356991515,0cyclictest65850irq/126-lan22:25:001
1356991515,0cyclictest65850irq/126-lan22:00:261
1356991515,0cyclictest65850irq/126-lan21:00:201
1356991515,0cyclictest65850irq/126-lan19:43:271
1356991515,0cyclictest65850irq/126-lan19:15:191
1356991514,1cyclictest65850irq/126-lan23:30:181
1356991514,1cyclictest65850irq/126-lan21:20:171
1356991514,1cyclictest65850irq/126-lan20:15:121
1366991414,0cyclictest743-21snmpd23:30:193
1366991414,0cyclictest743-21snmpd23:20:213
1366991414,0cyclictest743-21snmpd22:22:103
1366991414,0cyclictest743-21snmpd22:17:333
1366991414,0cyclictest743-21snmpd22:13:283
1366991414,0cyclictest743-21snmpd21:32:413
1366991414,0cyclictest743-21snmpd21:05:113
1366991414,0cyclictest743-21snmpd21:05:103
1366991414,0cyclictest743-21snmpd21:01:113
1366991414,0cyclictest743-21snmpd20:51:183
1366991414,0cyclictest743-21snmpd20:48:013
1366991414,0cyclictest743-21snmpd20:20:473
1366991414,0cyclictest743-21snmpd20:05:193
1366991414,0cyclictest743-21snmpd00:39:063
1366991414,0cyclictest5536-21cat21:55:163
1356991414,0cyclictest65850irq/126-lan22:55:131
1356991414,0cyclictest65850irq/126-lan22:45:141
1356991414,0cyclictest65850irq/126-lan21:30:201
1356991414,0cyclictest65850irq/126-lan20:45:001
1356991414,0cyclictest65850irq/126-lan20:00:151
1356991413,1cyclictest65850irq/126-lan23:14:361
1356991413,1cyclictest65850irq/126-lan22:05:161
1356991413,1cyclictest65850irq/126-lan21:10:181
1356991413,1cyclictest65850irq/126-lan21:10:171
1356991413,1cyclictest65850irq/126-lan19:25:121
1356991413,1cyclictest65850irq/126-lan00:05:141
1366991313,0cyclictest8458-21cat19:25:133
1366991313,0cyclictest743-21snmpd20:28:123
1366991313,0cyclictest743-21snmpd00:03:203
1356991313,0cyclictest65850irq/126-lan23:00:161
1356991313,0cyclictest65850irq/126-lan22:15:161
1356991313,0cyclictest65850irq/126-lan21:55:221
1356991313,0cyclictest65850irq/126-lan19:30:161
1356991312,1cyclictest65850irq/126-lan21:25:141
1366991212,0cyclictest743-21snmpd19:11:003
1356991212,0cyclictest65850irq/126-lan22:35:371
1356991212,0cyclictest65850irq/126-lan21:05:181
1356991212,0cyclictest65850irq/126-lan21:05:181
1356991212,0cyclictest65850irq/126-lan20:55:171
1356991211,1cyclictest65850irq/126-lan23:20:201
1356991111,0cyclictest65850irq/126-lan00:15:131
1356991110,1cyclictest65850irq/126-lan23:45:191
1356991010,0cyclictest65850irq/126-lan23:35:191
13629998,1cyclictest743-21snmpd22:51:202
13629998,1cyclictest743-21snmpd20:32:152
13519998,1cyclictest743-21snmpd23:51:440
13519998,1cyclictest743-21snmpd22:35:010
13519998,1cyclictest743-21snmpd20:59:210
13519998,1cyclictest741-21lldpd20:22:440
13669988,0cyclictest743-21snmpd23:14:003
13669988,0cyclictest743-21snmpd23:06:053
13669988,0cyclictest743-21snmpd22:28:023
13669988,0cyclictest743-21snmpd21:46:113
13669988,0cyclictest743-21snmpd20:38:063
13669987,1cyclictest743-21snmpd00:24:563
13669987,1cyclictest741-21lldpd22:44:173
13669987,1cyclictest522-21avahi-daemon23:37:413
13629988,0cyclictest743-21snmpd22:42:082
13629988,0cyclictest743-21snmpd19:48:042
13629988,0cyclictest743-21snmpd19:26:312
13629988,0cyclictest743-21snmpd19:18:542
13629988,0cyclictest743-21snmpd00:02:442
13629988,0cyclictest741-21lldpd23:45:592
13629988,0cyclictest741-21lldpd22:25:162
13629988,0cyclictest741-21lldpd19:51:252
13629987,1cyclictest743-21snmpd22:56:302
13629987,1cyclictest743-21snmpd20:14:032
13629987,1cyclictest743-21snmpd19:31:062
13629987,1cyclictest741-21lldpd23:28:332
13629986,2cyclictest743-21snmpd23:51:072
13629986,2cyclictest743-21snmpd23:00:512
13629986,2cyclictest743-21snmpd00:28:202
13569988,0cyclictest743-21snmpd22:32:071
13569988,0cyclictest743-21snmpd00:10:131
13569986,2cyclictest743-21snmpd00:35:451
13519988,0cyclictest743-21snmpd22:09:150
13519988,0cyclictest741-21lldpd23:38:390
13519988,0cyclictest741-21lldpd22:58:090
13519987,1cyclictest743-21snmpd20:48:580
13519987,1cyclictest743-21snmpd20:00:230
13519987,1cyclictest743-21snmpd19:37:150
13519987,1cyclictest741-21lldpd00:16:200
13519987,1cyclictest573-21in:imuxsock00:33:390
13519986,2cyclictest743-21snmpd23:28:000
13519986,2cyclictest743-21snmpd23:10:000
13519986,2cyclictest743-21snmpd23:04:120
13519986,2cyclictest743-21snmpd20:10:530
13519986,2cyclictest743-21snmpd00:35:510
13519986,2cyclictest13584-21cat22:15:130
13669977,0cyclictest743-21snmpd22:57:393
13669977,0cyclictest743-21snmpd19:51:253
13669977,0cyclictest743-21snmpd00:12:293
13669977,0cyclictest741-21lldpd23:29:173
13669977,0cyclictest741-21lldpd23:19:073
13669977,0cyclictest741-21lldpd21:54:523
13669977,0cyclictest741-21lldpd20:42:553
13669977,0cyclictest741-21lldpd20:01:433
13669977,0cyclictest522-21avahi-daemon21:10:503
13669977,0cyclictest522-21avahi-daemon21:10:493
13669976,1cyclictest743-21snmpd21:42:153
13669976,1cyclictest522-21avahi-daemon23:04:413
13669976,1cyclictest23445-21cpuspeed_turbos21:20:133
13669975,2cyclictest743-21snmpd00:05:103
13669975,2cyclictest26609-21cat20:10:153
13669974,2cyclictest717-21ntpd20:55:163
13629977,0cyclictest743-21snmpd21:52:302
13629977,0cyclictest743-21snmpd21:24:232
13629977,0cyclictest741-21lldpd21:35:462
13629977,0cyclictest741-21lldpd21:05:082
13629977,0cyclictest741-21lldpd21:05:082
13629977,0cyclictest741-21lldpd20:55:032
13629977,0cyclictest741-21lldpd00:36:082
13629976,1cyclictest743-21snmpd23:34:372
13629976,1cyclictest743-21snmpd23:05:532
13629976,1cyclictest743-21snmpd19:20:522
13629976,1cyclictest743-21snmpd00:22:242
13629976,1cyclictest522-21avahi-daemon22:12:492
13629975,2cyclictest743-21snmpd00:31:362
13629975,2cyclictest743-21snmpd00:13:042
13519977,0cyclictest743-21snmpd20:43:000
13519977,0cyclictest741-21lldpd23:32:030
13519977,0cyclictest741-21lldpd22:23:390
13519977,0cyclictest741-21lldpd21:31:230
13519977,0cyclictest741-21lldpd00:08:400
13519976,1cyclictest743-21snmpd20:26:260
13519976,1cyclictest741-21lldpd21:20:190
13519976,1cyclictest741-21lldpd00:03:040
13519976,1cyclictest522-21avahi-daemon23:16:480
13519975,2cyclictest743-21snmpd22:44:080
13519975,2cyclictest743-21snmpd21:56:390
13519975,2cyclictest743-21snmpd21:14:110
13519975,2cyclictest743-21snmpd21:14:110
13519975,2cyclictest743-21snmpd19:16:510
13519975,2cyclictest743-21snmpd19:11:280
13519974,2cyclictest743-21snmpd21:47:020
13519972,4cyclictest557-21NetworkManager19:55:130
13519970,6cyclictest22193-21ntpq21:15:180
13669966,0cyclictest743-21snmpd00:28:593
13669966,0cyclictest741-21lldpd23:43:153
13669966,0cyclictest741-21lldpd22:36:083
13669966,0cyclictest741-21lldpd20:32:143
13669966,0cyclictest741-21lldpd19:30:313
13669964,2cyclictest743-21snmpd19:58:443
13669963,3cyclictest717-21ntpd21:15:043
13669963,2cyclictest22872-21sed22:45:143
13629966,0cyclictest743-21snmpd22:37:582
13629966,0cyclictest743-21snmpd20:02:582
13629966,0cyclictest522-21avahi-daemon19:57:272
13629965,1cyclictest743-21snmpd22:34:222
13629965,1cyclictest743-21snmpd21:10:022
13629965,1cyclictest743-21snmpd21:10:012
13629965,1cyclictest1132-21cpuspeed_turbos21:45:112
13629964,2cyclictest743-21snmpd22:07:192
13629962,3cyclictest244-20systemd-journal22:02:102
13629961,5cyclictest557-21NetworkManager20:35:572
13519966,0cyclictest743-21snmpd19:53:280
13519966,0cyclictest743-21snmpd19:42:140
13519966,0cyclictest743-21snmpd19:32:570
13519966,0cyclictest741-21lldpd22:51:140
13519966,0cyclictest741-21lldpd21:54:010
13519966,0cyclictest741-21lldpd00:25:130
13519966,0cyclictest522-21avahi-daemon20:09:040
13519966,0cyclictest506-21systemd-resolve23:09:170
13519965,1cyclictest743-21snmpd23:23:330
13519965,1cyclictest743-21snmpd22:32:350
13519965,1cyclictest741-21lldpd22:45:230
13519965,1cyclictest19390-21needreboot23:55:150
13519965,1cyclictest15168-21gltestperf21:00:130
13519965,1cyclictest1346-21cyclictest21:07:530
13519965,1cyclictest1346-21cyclictest21:07:530
13519964,2cyclictest743-21snmpd23:42:570
13519964,2cyclictest743-21snmpd20:37:180
13519964,2cyclictest743-21snmpd19:25:460
13519960,5cyclictest29517-21grep20:15:210
13669955,0cyclictest743-21snmpd21:36:183
13669953,2cyclictest16538-21cat19:45:153
13669952,3cyclictest9133-21apt-get22:05:123
13669952,2cyclictest738-21lldpd22:51:173
13669952,2cyclictest4141-21df19:15:123
13669952,2cyclictest26266-21ld00:15:153
13669952,2cyclictest25597-21cut21:25:133
13629955,0cyclictest522-21avahi-daemon23:41:542
13629955,0cyclictest522-21avahi-daemon22:49:192
13629954,1cyclictest743-21snmpd21:00:042
13629954,1cyclictest743-21snmpd19:37:302
13629953,2cyclictest743-21snmpd23:35:572
13629953,2cyclictest743-21snmpd20:25:452
13629953,2cyclictest743-21snmpd20:23:532
13629953,2cyclictest557-21NetworkManager22:15:162
13629953,2cyclictest557-21NetworkManager20:40:222
13629952,3cyclictest24601-21cat20:05:152
13629952,3cyclictest1584-21sshd23:10:432
13629952,2cyclictest743-21snmpd21:55:332
13629952,2cyclictest743-21snmpd20:45:042
13629952,2cyclictest26805-21awk00:15:192
13629952,2cyclictest23779-21awk00:05:192
13629951,3cyclictest26246-21ntpq21:25:172
13629950,4cyclictest11220-21ntpq20:50:202
13519955,0cyclictest743-21snmpd20:30:060
13519955,0cyclictest522-21avahi-daemon22:28:570
13519953,2cyclictest15373-21grep23:45:160
13519952,2cyclictest244-20systemd-journal00:22:490
13519952,2cyclictest11646-21unixbench-2d20:50:230
13519951,3cyclictest17378-21awk19:45:220
13519951,3cyclictest11444-21fw_packets22:10:150
13669943,1cyclictest743-21snmpd23:45:013
13669941,3cyclictest7385-21perl22:00:123
13669941,2cyclictest244-20systemd-journal23:55:053
13669940,3cyclictest19575-21/usr/sbin/munin22:34:593
13629943,1cyclictest0-21swapper/219:10:122
13629942,2cyclictest557-21NetworkManager20:15:002
13629942,2cyclictest32209-21ntpq21:40:172
13629941,3cyclictest4754-21grep23:20:122
13629941,2cyclictest2851-21tune2fs23:15:152
13629941,2cyclictest27466-21cat21:30:132
13629941,2cyclictest21343-21grep21:15:122
13629941,2cyclictest15894-21nfs_client22:20:162
13629940,3cyclictest557-21NetworkManager23:58:052
13629940,3cyclictest14811-21ntpq19:40:172
13519943,1cyclictest522-21avahi-daemon21:25:180
13519941,3cyclictest557-21NetworkManager21:42:210
13519941,3cyclictest557-21NetworkManager00:10:460
13519941,2cyclictest30159-21ntp_kernel_pll_21:35:170
13519940,3cyclictest6187-21diskstats19:20:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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