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2026-07-25 - 12:54

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 Sat Jul 25, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32736992929,0cyclictest23839-21fwupd21:22:191
32732991918,1cyclictest65850irq/126-lan21:45:180
32732991818,0cyclictest65850irq/126-lan22:10:170
32732991818,0cyclictest65850irq/126-lan21:35:120
32732991817,1cyclictest65850irq/126-lan22:25:110
32732991817,1cyclictest65850irq/126-lan21:10:140
32732991817,1cyclictest65850irq/126-lan21:05:170
32732991817,1cyclictest65850irq/126-lan00:30:170
32732991817,1cyclictest65850irq/126-lan00:10:160
32732991717,0cyclictest65850irq/126-lan21:40:170
32732991716,1cyclictest65850irq/126-lan23:45:120
32732991716,1cyclictest65850irq/126-lan22:50:140
32732991716,1cyclictest65850irq/126-lan22:20:140
32732991716,1cyclictest65850irq/126-lan20:40:160
32732991716,1cyclictest65850irq/126-lan19:25:180
32732991716,1cyclictest65850irq/126-lan19:10:120
32732991616,0cyclictest65850irq/126-lan23:35:130
32732991616,0cyclictest65850irq/126-lan22:06:550
32732991616,0cyclictest65850irq/126-lan20:25:160
32732991616,0cyclictest65850irq/126-lan00:35:190
32732991615,1cyclictest65850irq/126-lan23:15:130
32732991615,1cyclictest65850irq/126-lan23:10:200
32732991615,1cyclictest65850irq/126-lan23:00:130
32732991615,1cyclictest65850irq/126-lan22:55:140
32732991615,1cyclictest65850irq/126-lan22:15:200
32732991615,1cyclictest65850irq/126-lan21:55:180
32732991615,1cyclictest65850irq/126-lan20:50:180
32732991615,1cyclictest65850irq/126-lan20:15:190
32732991515,0cyclictest65850irq/126-lan23:08:290
32732991515,0cyclictest65850irq/126-lan21:00:270
32732991515,0cyclictest65850irq/126-lan20:55:150
32732991515,0cyclictest65850irq/126-lan20:55:140
32732991515,0cyclictest65850irq/126-lan00:20:180
32732991515,0cyclictest65850irq/126-lan00:17:280
32732991514,1cyclictest65850irq/126-lan23:59:590
32732991514,1cyclictest65850irq/126-lan23:30:220
32732991514,1cyclictest65850irq/126-lan23:20:170
32732991514,1cyclictest65850irq/126-lan22:45:210
32732991514,1cyclictest65850irq/126-lan22:00:200
32732991514,1cyclictest65850irq/126-lan20:45:130
32732991514,1cyclictest65850irq/126-lan20:30:140
32732991514,1cyclictest65850irq/126-lan19:15:160
32732991514,1cyclictest65850irq/126-lan00:05:170
32732991414,0cyclictest65850irq/126-lan21:25:210
32732991414,0cyclictest65850irq/126-lan19:35:010
32732991413,1cyclictest65850irq/126-lan22:40:130
32732991413,1cyclictest65850irq/126-lan21:50:170
32732991413,1cyclictest65850irq/126-lan21:15:100
32732991413,1cyclictest65850irq/126-lan20:20:140
32732991413,1cyclictest65850irq/126-lan20:05:130
32732991313,0cyclictest65850irq/126-lan23:40:140
32732991313,0cyclictest65850irq/126-lan21:20:120
32732991313,0cyclictest65850irq/126-lan20:10:170
32732991313,0cyclictest65850irq/126-lan00:25:160
32732991312,1cyclictest65850irq/126-lan22:30:150
32732991312,1cyclictest65850irq/126-lan19:40:160
32732991212,0cyclictest65850irq/126-lan21:30:170
32732991211,1cyclictest65850irq/126-lan23:50:170
32732991211,1cyclictest65850irq/126-lan20:35:140
32732991211,1cyclictest65850irq/126-lan20:00:190
32732991211,1cyclictest65850irq/126-lan19:45:130
32732991211,1cyclictest65850irq/126-lan00:00:160
3274099116,2cyclictest743-21snmpd23:27:122
32732991110,1cyclictest65850irq/126-lan19:30:110
3274099107,0cyclictest743-21snmpd22:44:012
32732991010,0cyclictest65850irq/126-lan19:55:170
32732991010,0cyclictest65850irq/126-lan19:50:150
327459998,1cyclictest743-21snmpd20:24:393
327459998,1cyclictest741-21lldpd23:06:513
327409998,1cyclictest741-21lldpd00:04:512
327329999,0cyclictest65850irq/126-lan19:25:000
327329998,1cyclictest65850irq/126-lan23:25:130
327459988,0cyclictest743-21snmpd23:26:333
327459988,0cyclictest743-21snmpd23:03:243
327459988,0cyclictest743-21snmpd21:19:373
327459988,0cyclictest743-21snmpd19:40:583
327459988,0cyclictest741-21lldpd23:11:403
327459988,0cyclictest741-21lldpd20:56:093
327459988,0cyclictest741-21lldpd20:56:083
327459988,0cyclictest741-21lldpd00:22:153
327459988,0cyclictest17922-21dump-pmu-power22:30:003
327459987,1cyclictest8845-21needreboot20:45:143
327459987,1cyclictest743-21snmpd23:45:353
327459987,1cyclictest743-21snmpd20:53:393
327459987,1cyclictest743-21snmpd20:41:583
327459987,1cyclictest743-21snmpd20:12:033
327459987,1cyclictest743-21snmpd00:06:533
327459987,1cyclictest741-21lldpd23:37:183
327459987,1cyclictest741-21lldpd23:16:313
327459987,1cyclictest506-21systemd-resolve19:17:273
327459986,2cyclictest743-21snmpd23:52:463
327459986,2cyclictest743-21snmpd22:03:273
327459986,2cyclictest743-21snmpd00:18:273
327459986,2cyclictest24668-21cat22:45:153
327459985,3cyclictest743-21snmpd19:31:133
327409988,0cyclictest743-21snmpd23:10:592
327409988,0cyclictest743-21snmpd22:47:182
327409988,0cyclictest743-21snmpd22:06:362
327409988,0cyclictest741-21lldpd22:33:142
327409988,0cyclictest741-21lldpd22:12:242
327409988,0cyclictest741-21lldpd20:43:302
327409988,0cyclictest741-21lldpd19:12:182
327409988,0cyclictest741-21lldpd00:20:472
327409987,1cyclictest743-21snmpd20:57:112
327409987,1cyclictest743-21snmpd20:57:102
327409987,1cyclictest24517-21fschecks_count21:25:142
327409986,2cyclictest743-21snmpd23:44:552
327409986,2cyclictest743-21snmpd19:58:242
327409986,2cyclictest717-21ntpd22:20:172
327409986,2cyclictest717-21ntpd19:35:212
327369988,0cyclictest741-21lldpd23:29:441
327369988,0cyclictest741-21lldpd22:42:251
327369988,0cyclictest741-21lldpd22:02:251
327369988,0cyclictest741-21lldpd21:05:501
327369988,0cyclictest741-21lldpd00:25:511
327369987,1cyclictest743-21snmpd00:23:241
327369987,1cyclictest741-21lldpd21:36:041
327369987,1cyclictest522-21avahi-daemon22:14:471
327369986,2cyclictest743-21snmpd00:01:501
327329988,0cyclictest743-21snmpd22:35:550
327459977,0cyclictest743-21snmpd23:41:483
327459977,0cyclictest743-21snmpd22:18:463
327459977,0cyclictest743-21snmpd21:35:533
327459977,0cyclictest743-21snmpd21:07:283
327459977,0cyclictest743-21snmpd00:01:353
327459977,0cyclictest741-21lldpd21:44:433
327459977,0cyclictest741-21lldpd20:31:553
327459977,0cyclictest741-21lldpd19:53:253
327459977,0cyclictest11383-21cut19:35:143
327459976,1cyclictest743-21snmpd22:51:473
327459975,2cyclictest743-21snmpd23:22:423
327459975,2cyclictest743-21snmpd22:32:343
327459975,2cyclictest743-21snmpd22:21:163
327459975,2cyclictest743-21snmpd21:53:423
327459975,2cyclictest743-21snmpd21:32:293
327459973,3cyclictest743-21snmpd21:10:083
327409977,0cyclictest743-21snmpd21:41:152
327409977,0cyclictest743-21snmpd19:34:072
327409977,0cyclictest741-21lldpd23:20:582
327409977,0cyclictest741-21lldpd23:06:312
327409977,0cyclictest741-21lldpd21:00:022
327409977,0cyclictest741-21lldpd20:53:342
327409977,0cyclictest741-21lldpd20:35:512
327409977,0cyclictest741-21lldpd20:09:232
327409977,0cyclictest741-21lldpd00:37:402
327409976,1cyclictest743-21snmpd23:48:172
327409976,1cyclictest743-21snmpd23:17:162
327409976,1cyclictest21739-21fschecks_count20:00:122
327409975,2cyclictest743-21snmpd22:00:062
327409975,2cyclictest743-21snmpd00:28:052
327409975,2cyclictest743-21snmpd00:10:442
327409975,2cyclictest717-21ntpd23:30:212
327409975,2cyclictest717-21ntpd23:00:182
327409975,2cyclictest717-21ntpd22:25:122
327409975,2cyclictest717-21ntpd20:45:202
327409975,2cyclictest717-21ntpd19:45:182
327369977,0cyclictest743-21snmpd21:33:561
327369977,0cyclictest743-21snmpd19:47:461
327369977,0cyclictest741-21lldpd23:56:501
327369977,0cyclictest741-21lldpd22:06:031
327369977,0cyclictest741-21lldpd21:43:471
327369977,0cyclictest741-21lldpd21:02:181
327369977,0cyclictest741-21lldpd20:34:001
327369977,0cyclictest741-21lldpd20:14:161
327369976,1cyclictest743-21snmpd20:37:001
327369976,1cyclictest743-21snmpd19:33:371
327369976,1cyclictest522-21avahi-daemon21:55:421
327369976,1cyclictest522-21avahi-daemon20:40:121
327369975,2cyclictest743-21snmpd23:06:261
327369975,2cyclictest743-21snmpd23:01:271
327369975,2cyclictest743-21snmpd22:39:041
327369975,2cyclictest743-21snmpd19:21:481
327459966,0cyclictest743-21snmpd22:44:533
327459966,0cyclictest741-21lldpd22:36:553
327459966,0cyclictest741-21lldpd19:46:233
327459966,0cyclictest741-21lldpd00:35:383
327459966,0cyclictest522-21avahi-daemon20:27:193
327459966,0cyclictest522-21avahi-daemon20:18:583
327459966,0cyclictest522-21avahi-daemon19:21:523
327459965,1cyclictest743-21snmpd23:58:163
327459965,1cyclictest743-21snmpd21:57:553
327459965,1cyclictest743-21snmpd19:26:223
327459965,1cyclictest522-21avahi-daemon21:01:033
327459964,2cyclictest743-21snmpd20:39:273
327459964,2cyclictest743-21snmpd20:08:443
327459962,3cyclictest23461-21dpkg20:05:003
327409966,0cyclictest743-21snmpd23:55:132
327409966,0cyclictest743-21snmpd21:53:452
327409966,0cyclictest741-21lldpd19:51:472
327409966,0cyclictest741-21lldpd19:15:262
327409966,0cyclictest522-21avahi-daemon22:52:562
327409966,0cyclictest30362-21turbostat00:20:002
327409965,1cyclictest743-21snmpd21:22:562
327409964,2cyclictest743-21snmpd19:26:132
327409964,2cyclictest717-21ntpd22:55:152
327409963,3cyclictest27803-21sshd21:31:272
327409963,3cyclictest12671-21memory22:15:142
327409963,2cyclictest244-20systemd-journal22:35:002
327369966,0cyclictest743-21snmpd23:19:341
327369966,0cyclictest743-21snmpd20:22:501
327369966,0cyclictest743-21snmpd19:13:481
327369966,0cyclictest743-21snmpd00:37:121
327369966,0cyclictest741-21lldpd23:49:071
327369966,0cyclictest741-21lldpd23:37:051
327369966,0cyclictest741-21lldpd21:52:501
327369966,0cyclictest741-21lldpd20:59:031
327369966,0cyclictest741-21lldpd20:59:021
327369966,0cyclictest741-21lldpd00:07:231
327369965,1cyclictest743-21snmpd22:18:341
327369965,1cyclictest573-21in:imuxsock20:45:511
327369965,1cyclictest14420-21fschecks_time22:20:131
327369965,1cyclictest0-21swapper/100:15:101
327369964,2cyclictest743-21snmpd23:52:351
327369964,2cyclictest743-21snmpd19:15:151
327369962,3cyclictest8114-21seq23:24:341
327369961,5cyclictest557-21NetworkManager22:57:241
327459955,0cyclictest741-21lldpd21:24:443
327459954,1cyclictest743-21snmpd22:11:163
327459953,2cyclictest743-21snmpd21:47:473
327459952,2cyclictest19400-21fw_packets19:55:133
327459951,3cyclictest29489-21ld22:55:183
327459950,4cyclictest9848-21apt22:09:593
327409955,0cyclictest0-21swapper/219:40:102
327409954,1cyclictest522-21avahi-daemon21:38:272
327409953,2cyclictest743-21snmpd20:18:562
327409953,2cyclictest13731-21sed23:35:182
327409952,3cyclictest17609-21vmstat21:05:202
327409952,2cyclictest30346-21cat20:20:122
327409952,2cyclictest26699-21nfs_client20:10:162
327409952,2cyclictest244-20systemd-journal00:05:322
327409951,3cyclictest2444-21df_inode00:30:122
327409950,4cyclictest4870-21ntpq21:55:182
327369955,0cyclictest743-21snmpd20:00:441
327369955,0cyclictest741-21lldpd20:50:091
327369954,1cyclictest743-21snmpd23:43:221
327369954,1cyclictest743-21snmpd19:55:211
327369954,1cyclictest25983-21cut22:50:001
327369954,1cyclictest17431-21gltestperf19:50:131
327369954,1cyclictest11110-21cpuspeed_turbos19:35:111
327369952,2cyclictest575-21rs:main1
327369952,2cyclictest28311-21seq00:14:441
327369951,3cyclictest21040-21ntpq21:15:151
327369951,3cyclictest16459-21fw_packets22:25:131
327369951,3cyclictest1086-21sed21:45:191
327459944,0cyclictest506-21systemd-resolve23:30:323
327459941,3cyclictest447-21apt-get19:10:113
327459941,2cyclictest26724-21expr00:10:123
327459941,2cyclictest24319-21cat21:25:123
327459940,3cyclictest998-21ntpq00:25:163
327459940,3cyclictest2547-21perl00:30:133
327409943,1cyclictest743-21snmpd23:50:142
327409942,2cyclictest32433-21tail20:25:122
327409941,3cyclictest18471-21uniq21:10:142
327409941,2cyclictest5018-21interrupts19:20:132
327409940,3cyclictest32702-21fw_conntrack21:45:132
327409940,3cyclictest2229-21cat20:30:142
327409940,3cyclictest20437-21diskstats21:15:112
327369943,1cyclictest18889-21ntpq22:30:161
327369943,1cyclictest0-21swapper/120:25:111
327369942,2cyclictest743-21snmpd23:30:461
327369942,2cyclictest13496-21cat19:40:131
327369941,2cyclictest7053-21kernelversion19:25:151
327369941,2cyclictest3367-21sed00:30:191
327369941,2cyclictest28948-21pmu-power20:15:191
327369941,2cyclictest26563-21dpkg22:49:591
327369941,2cyclictest23791-21apt-key20:05:001
327369941,2cyclictest2367-21wc23:10:111
327369941,2cyclictest18403-21cpuspeed_turbos21:10:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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