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2026-05-30 - 05:51

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 May 30, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26605992018,2cyclictest65850irq/126-lan23:50:193
26605992018,2cyclictest65850irq/126-lan21:38:033
26605992017,3cyclictest65850irq/126-lan23:55:113
26605991918,1cyclictest65850irq/126-lan19:20:003
26605991817,1cyclictest65850irq/126-lan22:55:003
26605991817,1cyclictest65850irq/126-lan22:35:173
26605991817,1cyclictest65850irq/126-lan21:00:143
26605991817,1cyclictest65850irq/126-lan19:25:153
26605991816,2cyclictest65850irq/126-lan20:35:203
26605991816,2cyclictest65850irq/126-lan20:05:223
26605991716,1cyclictest65850irq/126-lan22:30:113
26605991716,1cyclictest65850irq/126-lan22:08:143
26605991716,1cyclictest65850irq/126-lan22:00:203
26605991716,1cyclictest65850irq/126-lan21:28:153
26605991716,1cyclictest65850irq/126-lan20:30:003
26605991716,1cyclictest65850irq/126-lan20:20:133
26605991716,1cyclictest65850irq/126-lan20:10:163
26605991716,1cyclictest65850irq/126-lan19:10:103
26605991716,1cyclictest65850irq/126-lan00:35:193
26605991716,1cyclictest65850irq/126-lan00:30:133
26605991715,2cyclictest65850irq/126-lan23:45:123
26605991715,2cyclictest65850irq/126-lan21:40:163
26605991715,2cyclictest65850irq/126-lan00:10:203
26605991715,2cyclictest65850irq/126-lan00:02:053
26605991714,3cyclictest65850irq/126-lan21:30:143
26605991616,0cyclictest65850irq/126-lan22:19:063
26605991616,0cyclictest65850irq/126-lan20:50:183
26605991615,1cyclictest65850irq/126-lan23:35:143
26605991615,1cyclictest65850irq/126-lan22:10:143
26605991615,1cyclictest65850irq/126-lan21:45:113
26605991615,1cyclictest65850irq/126-lan20:25:123
26605991615,1cyclictest65850irq/126-lan19:50:163
26605991615,1cyclictest65850irq/126-lan19:30:163
26605991615,1cyclictest65850irq/126-lan19:20:143
26605991615,1cyclictest65850irq/126-lan00:15:163
26605991615,1cyclictest65850irq/126-lan00:09:593
26605991614,2cyclictest65850irq/126-lan23:20:163
26605991614,2cyclictest65850irq/126-lan00:20:143
26605991612,1cyclictest65850irq/126-lan23:25:173
26605991515,0cyclictest65850irq/126-lan23:40:183
26605991515,0cyclictest65850irq/126-lan23:10:203
26605991514,1cyclictest65850irq/126-lan21:20:123
26605991514,1cyclictest65850irq/126-lan20:45:143
26605991514,1cyclictest65850irq/126-lan19:40:143
26601991515,0cyclictest743-21snmpd23:10:102
26605991414,0cyclictest65850irq/126-lan23:05:203
26605991414,0cyclictest65850irq/126-lan22:26:123
26605991414,0cyclictest65850irq/126-lan20:00:013
26605991413,1cyclictest65850irq/126-lan23:15:113
26605991413,1cyclictest65850irq/126-lan22:55:163
26605991413,1cyclictest65850irq/126-lan22:47:113
26605991413,1cyclictest65850irq/126-lan21:15:183
26605991413,1cyclictest65850irq/126-lan20:20:003
26605991413,1cyclictest65850irq/126-lan00:25:193
26605991412,2cyclictest65850irq/126-lan21:55:133
26605991412,0cyclictest65850irq/126-lan20:41:433
26601991414,0cyclictest743-21snmpd23:21:242
26605991313,0cyclictest65850irq/126-lan23:31:263
26605991313,0cyclictest65850irq/126-lan22:20:203
26601991313,0cyclictest743-21snmpd22:55:582
26601991313,0cyclictest743-21snmpd22:15:282
26601991313,0cyclictest743-21snmpd21:43:102
26601991313,0cyclictest743-21snmpd21:37:312
26601991313,0cyclictest743-21snmpd20:42:512
26601991313,0cyclictest743-21snmpd20:39:592
26601991313,0cyclictest743-21snmpd20:28:012
26601991313,0cyclictest743-21snmpd20:20:142
26601991313,0cyclictest743-21snmpd00:02:302
26601991312,1cyclictest743-21snmpd20:53:092
26605991212,0cyclictest65850irq/126-lan21:09:333
26605991211,1cyclictest65850irq/126-lan21:50:133
26605991211,1cyclictest65850irq/126-lan20:55:133
26605991211,1cyclictest65850irq/126-lan19:55:163
26601991212,0cyclictest9809-21cat19:45:142
26601991212,0cyclictest743-21snmpd21:54:552
26601991212,0cyclictest743-21snmpd21:45:422
26601991212,0cyclictest743-21snmpd21:30:542
26601991212,0cyclictest743-21snmpd21:24:342
26601991212,0cyclictest743-21snmpd21:10:182
26601991212,0cyclictest743-21snmpd21:05:362
26601991212,0cyclictest743-21snmpd19:36:222
26601991212,0cyclictest17401-21cat22:40:142
26605991111,0cyclictest65850irq/126-lan22:40:153
26605991111,0cyclictest65850irq/126-lan21:10:143
26605991110,1cyclictest65850irq/126-lan19:35:193
2660599109,1cyclictest65850irq/126-lan23:00:143
26601991010,0cyclictest743-21snmpd00:20:102
266059998,1cyclictest65850irq/126-lan19:45:113
266019998,1cyclictest743-21snmpd21:18:142
266019998,1cyclictest743-21snmpd19:50:282
265969998,1cyclictest741-21lldpd23:56:461
265969998,1cyclictest741-21lldpd21:20:511
265899998,1cyclictest743-21snmpd20:13:350
265899998,1cyclictest743-21snmpd19:40:480
265899998,1cyclictest743-21snmpd00:31:430
265899998,1cyclictest741-21lldpd21:30:000
266019988,0cyclictest743-21snmpd21:56:402
266019988,0cyclictest743-21snmpd19:55:242
266019988,0cyclictest741-21lldpd20:09:162
266019987,1cyclictest743-21snmpd23:46:232
266019987,1cyclictest743-21snmpd23:34:172
265969988,0cyclictest743-21snmpd22:21:561
265969988,0cyclictest743-21snmpd22:16:171
265969988,0cyclictest743-21snmpd21:49:211
265969988,0cyclictest743-21snmpd19:25:231
265969988,0cyclictest741-21lldpd22:34:071
265969988,0cyclictest741-21lldpd21:03:081
265969988,0cyclictest741-21lldpd19:19:101
265969988,0cyclictest741-21lldpd00:36:181
265969987,1cyclictest743-21snmpd23:08:331
265969987,1cyclictest743-21snmpd22:44:061
265969987,1cyclictest743-21snmpd21:34:541
265969987,1cyclictest743-21snmpd20:51:271
265969987,1cyclictest743-21snmpd20:34:011
265969987,1cyclictest743-21snmpd20:24:411
265969987,1cyclictest19213-21fschecks_time22:45:121
265969986,2cyclictest743-21snmpd23:24:101
265969986,2cyclictest743-21snmpd20:14:201
265969986,2cyclictest29964-21cat00:25:161
265899988,0cyclictest743-21snmpd21:59:410
265899988,0cyclictest741-21lldpd23:19:370
265899988,0cyclictest741-21lldpd23:03:530
265899988,0cyclictest741-21lldpd22:31:100
265899987,1cyclictest743-21snmpd21:14:360
265899987,1cyclictest743-21snmpd20:16:430
265899987,1cyclictest743-21snmpd00:22:580
265899987,1cyclictest743-21snmpd00:17:300
265899987,1cyclictest741-21lldpd23:36:050
265899987,1cyclictest741-21lldpd19:15:320
265899986,2cyclictest743-21snmpd23:51:150
265899986,2cyclictest743-21snmpd23:42:410
265899986,2cyclictest743-21snmpd20:55:540
265899986,2cyclictest743-21snmpd19:25:590
265899986,2cyclictest743-21snmpd19:11:560
265899986,2cyclictest743-21snmpd00:27:450
265899986,2cyclictest21080-21cat21:30:120
266019977,0cyclictest743-21snmpd19:33:372
266019977,0cyclictest741-21lldpd23:55:342
266019977,0cyclictest741-21lldpd23:00:352
266019977,0cyclictest741-21lldpd22:46:352
266019977,0cyclictest741-21lldpd19:41:052
266019977,0cyclictest741-21lldpd00:06:332
266019976,1cyclictest743-21snmpd23:18:042
266019976,1cyclictest743-21snmpd20:45:442
266019976,1cyclictest23716-21kworker/2:0+events19:15:102
266019975,2cyclictest743-21snmpd23:06:342
266019975,2cyclictest743-21snmpd20:32:012
266019975,2cyclictest743-21snmpd20:01:162
266019975,2cyclictest1321-21cat19:25:122
266019972,4cyclictest717-21ntpd00:10:142
265969977,0cyclictest743-21snmpd23:42:591
265969977,0cyclictest743-21snmpd22:08:231
265969977,0cyclictest743-21snmpd20:44:241
265969977,0cyclictest741-21lldpd21:53:481
265969977,0cyclictest741-21lldpd19:23:261
265969977,0cyclictest741-21lldpd00:18:181
265969976,1cyclictest743-21snmpd21:05:181
265969976,1cyclictest743-21snmpd20:45:171
265969976,1cyclictest743-21snmpd19:56:331
265969976,1cyclictest741-21lldpd00:21:381
265969976,1cyclictest717-21ntpd23:45:221
265969976,1cyclictest717-21ntpd23:15:201
265969976,1cyclictest522-21avahi-daemon21:42:251
265969976,1cyclictest22510-21needreboot20:15:141
265969976,1cyclictest19223-21fschecks_count00:00:131
265969975,2cyclictest743-21snmpd23:25:291
265969975,2cyclictest717-21ntpd23:52:141
265969975,2cyclictest23856-21cat22:55:131
265899977,0cyclictest743-21snmpd23:11:460
265899977,0cyclictest743-21snmpd21:06:450
265899977,0cyclictest741-21lldpd23:24:430
265899977,0cyclictest741-21lldpd21:43:120
265899977,0cyclictest741-21lldpd20:23:410
265899977,0cyclictest741-21lldpd19:39:540
265899976,1cyclictest743-21snmpd22:56:550
265899976,1cyclictest743-21snmpd00:08:120
265899976,1cyclictest741-21lldpd20:48:080
265899976,1cyclictest244-20systemd-journal20:40:240
265899976,1cyclictest23314-21needreboot21:35:160
265899976,1cyclictest16687-21cpuspeed_turbos21:20:120
265899975,2cyclictest743-21snmpd22:28:510
265899975,2cyclictest743-21snmpd22:08:070
265899975,2cyclictest743-21snmpd21:02:050
265899975,2cyclictest743-21snmpd19:49:480
265899975,2cyclictest743-21snmpd19:20:480
265899975,2cyclictest743-21snmpd00:04:420
265899974,3cyclictest24305-21ntp_states00:10:200
265899974,2cyclictest743-21snmpd23:55:030
266019966,0cyclictest743-21snmpd22:10:082
266019966,0cyclictest741-21lldpd23:51:352
266019965,1cyclictest31613-21cpuspeed_turbos00:30:122
266019965,1cyclictest23716-21kworker/2:0+events23:40:122
266019965,1cyclictest23716-21kworker/2:0+events23:39:072
266019965,1cyclictest23716-21kworker/2:0+events21:00:172
266019964,2cyclictest743-21snmpd00:25:282
266019963,3cyclictest717-21ntpd19:20:102
266019963,3cyclictest3099-21fw_packets22:05:132
266019963,3cyclictest13628-21ntp_192.168.11422:30:142
266019960,6cyclictest28722-21cat19:14:592
265969966,0cyclictest743-21snmpd20:07:521
265969966,0cyclictest741-21lldpd22:28:421
265969966,0cyclictest741-21lldpd22:04:141
265969965,1cyclictest743-21snmpd21:35:011
265969965,1cyclictest743-21snmpd20:26:471
265969965,1cyclictest743-21snmpd00:33:161
265969965,1cyclictest741-21lldpd21:29:121
265969965,1cyclictest741-21lldpd00:09:521
265969964,2cyclictest743-21snmpd22:50:081
265969964,2cyclictest6790-21grep23:30:131
265969963,3cyclictest557-21NetworkManager20:39:181
265969962,3cyclictest30781-21ntpq23:10:171
265899966,0cyclictest743-21snmpd23:07:540
265899966,0cyclictest743-21snmpd19:30:420
265899966,0cyclictest741-21lldpd22:19:520
265899966,0cyclictest741-21lldpd22:10:220
265899965,1cyclictest522-21avahi-daemon22:36:210
265899965,1cyclictest522-21avahi-daemon21:16:410
265899965,1cyclictest522-21avahi-daemon20:51:500
265899965,1cyclictest522-21avahi-daemon00:39:530
265899964,2cyclictest743-21snmpd19:51:370
265899963,3cyclictest13961-21memory19:55:150
265899963,2cyclictest244-20systemd-journal20:31:570
265899962,4cyclictest557-21NetworkManager22:03:430
265899962,3cyclictest16781-21sed20:00:150
266019955,0cyclictest522-21avahi-daemon23:25:502
266019954,1cyclictest522-21avahi-daemon22:51:462
266019954,1cyclictest23716-21kworker/2:0+events22:35:142
266019954,1cyclictest1-21systemd00:36:032
266019952,3cyclictest717-21ntpd20:55:352
266019952,2cyclictest19901-21sed21:25:212
266019952,2cyclictest1597-21unixbench-2d22:00:192
265969954,1cyclictest522-21avahi-daemon19:52:211
265969954,1cyclictest522-21avahi-daemon19:41:021
265969954,1cyclictest28811-21latency_hist19:14:591
265969954,1cyclictest0-21swapper/100:10:161
265969953,2cyclictest717-21ntpd23:35:451
265969953,2cyclictest717-21ntpd22:39:171
265969953,2cyclictest5480-21grep22:10:151
265969953,2cyclictest0-21swapper/123:00:211
265969952,3cyclictest557-21NetworkManager21:59:431
265969952,2cyclictest16061-21grep20:00:101
265969951,3cyclictest6033-21sed19:35:201
265969951,3cyclictest3447-21memory19:30:151
265969950,5cyclictest506-21systemd-resolve19:45:111
265899954,1cyclictest743-21snmpd23:25:200
265899954,1cyclictest743-21snmpd22:22:400
265899952,3cyclictest557-21NetworkManager22:45:500
265899952,3cyclictest557-21NetworkManager20:26:400
265899952,2cyclictest557-21NetworkManager23:47:170
265899952,2cyclictest29496-21sed21:50:150
265899952,2cyclictest27910-21wc21:45:210
265899951,3cyclictest18745-21smartctl20:05:190
265899950,5cyclictest0-21swapper/022:40:130
266019943,1cyclictest23716-21kworker/2:0+events00:16:142
266019940,4cyclictest22651-21ntpq20:15:162
266019940,3cyclictest9084-21fschecks_count22:20:132
266019940,3cyclictest20171-21fw_forwarded_lo20:10:122
266019940,3cyclictest11078-21df_inode22:25:112
265969942,2cyclictest743-21snmpd21:15:141
265969942,2cyclictest12563-21apt21:10:111
265969941,3cyclictest6548-21cut20:55:151
265899941,2cyclictest6447-21awk23:30:100
265899941,2cyclictest31018-21sed20:35:150
265899940,3cyclictest21831-21ntp_states22:50:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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