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2026-04-04 - 09:45

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 Sat Apr 04, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24571991919,0cyclictest65850irq/126-lan23:39:291
24571991918,1cyclictest65850irq/126-lan23:45:481
24571991918,1cyclictest65850irq/126-lan22:30:261
24571991918,1cyclictest65850irq/126-lan19:40:161
24571991918,1cyclictest65850irq/126-lan00:25:121
24571991818,0cyclictest65850irq/126-lan22:00:341
24571991818,0cyclictest65850irq/126-lan21:10:131
24571991817,1cyclictest65850irq/126-lan22:16:181
24571991817,1cyclictest65850irq/126-lan21:55:121
24571991817,1cyclictest65850irq/126-lan20:40:101
24571991817,1cyclictest65850irq/126-lan00:35:121
24571991717,0cyclictest65850irq/126-lan22:07:161
24571991717,0cyclictest65850irq/126-lan19:28:221
24571991716,1cyclictest65850irq/126-lan22:52:161
24571991716,1cyclictest65850irq/126-lan21:50:151
24571991716,1cyclictest65850irq/126-lan21:35:171
24571991716,1cyclictest65850irq/126-lan21:25:201
24571991716,1cyclictest65850irq/126-lan20:34:561
24571991716,1cyclictest65850irq/126-lan20:25:121
24571991716,1cyclictest65850irq/126-lan00:05:161
24571991616,0cyclictest65850irq/126-lan23:25:111
24571991616,0cyclictest65850irq/126-lan19:37:581
24571991616,0cyclictest65850irq/126-lan19:15:111
24571991615,1cyclictest65850irq/126-lan23:50:171
24571991615,1cyclictest65850irq/126-lan23:15:151
24571991615,1cyclictest65850irq/126-lan22:55:131
24571991615,1cyclictest65850irq/126-lan22:25:141
24571991615,1cyclictest65850irq/126-lan21:40:141
24571991615,1cyclictest65850irq/126-lan00:30:161
24571991515,0cyclictest65850irq/126-lan23:10:191
24571991515,0cyclictest65850irq/126-lan21:45:151
24571991515,0cyclictest65850irq/126-lan19:45:151
24571991514,1cyclictest65850irq/126-lan23:40:121
24571991514,1cyclictest65850irq/126-lan21:05:171
24571991514,1cyclictest65850irq/126-lan21:00:181
24571991514,1cyclictest65850irq/126-lan20:55:111
24571991514,1cyclictest65850irq/126-lan20:05:171
24571991514,1cyclictest65850irq/126-lan00:20:211
24571991414,0cyclictest65850irq/126-lan23:23:151
24571991414,0cyclictest65850irq/126-lan22:45:191
24571991414,0cyclictest65850irq/126-lan22:40:121
24571991414,0cyclictest65850irq/126-lan22:20:191
24571991414,0cyclictest65850irq/126-lan19:55:141
24571991414,0cyclictest65850irq/126-lan19:20:171
24571991413,1cyclictest65850irq/126-lan00:00:201
24576991311,2cyclictest743-21snmpd20:05:242
24571991313,0cyclictest65850irq/126-lan23:56:151
24571991313,0cyclictest65850irq/126-lan22:40:011
24571991313,0cyclictest65850irq/126-lan22:40:011
24571991313,0cyclictest65850irq/126-lan20:15:211
24571991313,0cyclictest65850irq/126-lan19:50:121
24571991313,0cyclictest65850irq/126-lan00:15:131
24571991312,1cyclictest65850irq/126-lan20:00:121
24571991312,1cyclictest65850irq/126-lan00:10:181
24571991212,0cyclictest65850irq/126-lan23:05:211
24571991211,1cyclictest65850irq/126-lan23:00:131
24571991211,1cyclictest65850irq/126-lan22:10:151
24571991211,1cyclictest65850irq/126-lan21:15:141
24571991111,0cyclictest65850irq/126-lan21:30:141
24571991111,0cyclictest65850irq/126-lan21:21:161
24571991111,0cyclictest65850irq/126-lan19:30:111
24571991110,1cyclictest65850irq/126-lan19:10:231
24571991010,0cyclictest65850irq/126-lan20:45:161
24571991010,0cyclictest65850irq/126-lan20:36:161
245809998,1cyclictest743-21snmpd21:20:363
245809998,1cyclictest743-21snmpd00:37:353
245769998,1cyclictest743-21snmpd23:12:152
245769998,1cyclictest743-21snmpd21:43:572
245769998,1cyclictest743-21snmpd19:36:052
245769998,1cyclictest741-21lldpd20:20:432
245769998,1cyclictest30908-21fschecks_time23:20:122
245719999,0cyclictest65850irq/126-lan20:50:201
245719998,1cyclictest65850irq/126-lan20:20:211
245639998,1cyclictest743-21snmpd22:05:500
245639998,1cyclictest743-21snmpd20:08:340
245639998,1cyclictest743-21snmpd20:03:190
245809988,0cyclictest743-21snmpd20:12:433
245809988,0cyclictest741-21lldpd23:53:143
245809988,0cyclictest741-21lldpd21:41:053
245809988,0cyclictest741-21lldpd21:03:033
245809988,0cyclictest741-21lldpd20:28:533
245809987,1cyclictest506-21systemd-resolve19:35:163
245809986,2cyclictest743-21snmpd21:56:513
245809986,2cyclictest743-21snmpd21:14:503
245809986,2cyclictest743-21snmpd20:58:193
245809985,3cyclictest743-21snmpd23:00:123
245769988,0cyclictest743-21snmpd19:51:532
245769988,0cyclictest743-21snmpd19:30:412
245769988,0cyclictest743-21snmpd00:36:082
245769988,0cyclictest741-21lldpd22:01:242
245769988,0cyclictest741-21lldpd20:33:172
245769988,0cyclictest741-21lldpd20:00:002
245769987,1cyclictest743-21snmpd21:55:392
245769987,1cyclictest743-21snmpd21:02:452
245769986,2cyclictest743-21snmpd23:57:202
245769986,2cyclictest743-21snmpd23:19:042
245769986,2cyclictest743-21snmpd22:08:322
245769986,2cyclictest743-21snmpd20:52:562
245769986,2cyclictest743-21snmpd00:29:412
245769985,3cyclictest743-21snmpd21:33:012
245639988,0cyclictest743-21snmpd19:23:340
245639988,0cyclictest743-21snmpd00:17:160
245639988,0cyclictest741-21lldpd21:36:460
245639988,0cyclictest741-21lldpd00:27:380
245639987,1cyclictest743-21snmpd23:41:280
245639987,1cyclictest743-21snmpd23:23:010
245639987,1cyclictest743-21snmpd22:39:510
245639987,1cyclictest743-21snmpd22:39:510
245639987,1cyclictest743-21snmpd22:24:290
245639987,1cyclictest743-21snmpd19:46:090
245639986,2cyclictest743-21snmpd23:16:520
245639986,2cyclictest743-21snmpd22:10:320
245639986,2cyclictest743-21snmpd20:15:520
245639986,2cyclictest743-21snmpd19:51:330
245809977,0cyclictest743-21snmpd20:53:533
245809977,0cyclictest743-21snmpd19:56:183
245809977,0cyclictest741-21lldpd23:57:123
245809977,0cyclictest741-21lldpd23:17:293
245809977,0cyclictest741-21lldpd22:22:363
245809976,1cyclictest743-21snmpd20:31:383
245809976,1cyclictest743-21snmpd19:45:333
245809976,1cyclictest741-21lldpd19:54:033
245809976,1cyclictest17406-21cpuspeed_turbos21:30:133
245809975,2cyclictest743-21snmpd23:06:513
245809975,2cyclictest743-21snmpd22:46:213
245809975,2cyclictest743-21snmpd22:29:053
245809975,2cyclictest743-21snmpd20:16:103
245809975,2cyclictest743-21snmpd19:15:473
245809975,2cyclictest743-21snmpd00:26:323
245809975,2cyclictest743-21snmpd00:22:413
245809973,3cyclictest20395-21fw_forwarded_lo22:55:143
245809973,3cyclictest12892-21ntp_states22:35:173
245809973,3cyclictest12892-21ntp_states22:35:173
245809972,5cyclictest557-21NetworkManager21:09:363
245769977,0cyclictest743-21snmpd23:45:082
245769977,0cyclictest743-21snmpd22:22:112
245769977,0cyclictest743-21snmpd20:02:402
245769977,0cyclictest743-21snmpd19:25:142
245769977,0cyclictest743-21snmpd00:07:342
245769977,0cyclictest741-21lldpd22:30:542
245769977,0cyclictest741-21lldpd22:11:182
245769977,0cyclictest741-21lldpd20:43:082
245769977,0cyclictest741-21lldpd19:45:202
245769977,0cyclictest741-21lldpd00:30:322
245769977,0cyclictest522-21avahi-daemon00:24:392
245769977,0cyclictest28567-21sendmail19:20:002
245769976,1cyclictest522-21avahi-daemon21:46:312
245769975,2cyclictest743-21snmpd23:08:242
245769975,2cyclictest743-21snmpd21:10:052
245769975,2cyclictest743-21snmpd20:28:182
245769975,2cyclictest743-21snmpd00:01:162
245769972,4cyclictest22443-21head23:00:142
245769972,4cyclictest18738-21grep20:10:202
245719977,0cyclictest65850irq/126-lan20:10:111
245639977,0cyclictest743-21snmpd21:57:160
245639977,0cyclictest743-21snmpd21:22:570
245639977,0cyclictest743-21snmpd21:01:540
245639977,0cyclictest741-21lldpd23:54:100
245639977,0cyclictest741-21lldpd23:27:330
245639977,0cyclictest741-21lldpd23:04:010
245639977,0cyclictest741-21lldpd22:53:410
245639977,0cyclictest741-21lldpd20:23:210
245639977,0cyclictest741-21lldpd19:55:250
245639977,0cyclictest741-21lldpd19:25:460
245639976,1cyclictest743-21snmpd23:59:500
245639976,1cyclictest743-21snmpd22:41:410
245639976,1cyclictest743-21snmpd21:44:400
245639976,1cyclictest743-21snmpd20:33:020
245639976,1cyclictest743-21snmpd20:27:210
245639976,1cyclictest741-21lldpd23:39:410
245639976,1cyclictest741-21lldpd00:31:440
245639976,1cyclictest573-21in:imuxsock21:51:510
245639976,1cyclictest522-21avahi-daemon21:45:120
245639976,1cyclictest2351-21cpuspeed_turbos23:30:110
245639975,2cyclictest743-21snmpd23:12:400
245639975,2cyclictest743-21snmpd22:29:260
245639975,2cyclictest743-21snmpd20:45:410
245639975,2cyclictest743-21snmpd20:42:010
245639975,2cyclictest743-21snmpd20:12:450
245639975,2cyclictest743-21snmpd00:21:380
245639973,3cyclictest24878-21fw_forwarded_lo23:05:140
245809966,0cyclictest743-21snmpd00:32:053
245809965,1cyclictest743-21snmpd22:41:303
245809965,1cyclictest743-21snmpd21:51:223
245809965,1cyclictest743-21snmpd21:48:373
245809965,1cyclictest743-21snmpd20:40:383
245809965,1cyclictest743-21snmpd20:22:183
245809965,1cyclictest741-21lldpd00:00:043
245809965,1cyclictest5098-21fschecks_count19:40:133
245809965,1cyclictest31622-21latency_hist22:05:013
245809965,1cyclictest21142-21fschecks_time00:15:133
245809964,2cyclictest25193-21cat19:10:153
245809962,3cyclictest17713-21uname00:05:183
245809962,3cyclictest11265-21cat22:30:273
245769966,0cyclictest743-21snmpd00:10:102
245769966,0cyclictest741-21lldpd22:58:502
245769966,0cyclictest741-21lldpd22:45:212
245769966,0cyclictest741-21lldpd20:58:162
245769966,0cyclictest522-21avahi-daemon23:41:022
245769966,0cyclictest522-21avahi-daemon22:15:372
245769965,1cyclictest743-21snmpd20:35:442
245769965,1cyclictest522-21avahi-daemon20:46:222
245769964,2cyclictest743-21snmpd19:43:152
245769963,3cyclictest743-21snmpd22:26:322
245769963,3cyclictest11568-21fw_packets21:15:142
245719966,0cyclictest65850irq/126-lan23:30:121
245639966,0cyclictest741-21lldpd00:04:300
245639966,0cyclictest26528-21dump-pmu-power19:15:000
245639965,1cyclictest8833-21cpuspeed_turbos23:45:110
245639965,1cyclictest743-21snmpd22:46:030
245639965,1cyclictest743-21snmpd20:55:550
245639965,1cyclictest741-21lldpd21:26:310
245639965,1cyclictest522-21avahi-daemon19:33:450
245639965,1cyclictest24559-21cyclictest22:30:120
245639965,1cyclictest17629-21gltestperf21:30:140
245639964,2cyclictest9686-21cat21:10:140
245639964,2cyclictest743-21snmpd22:17:280
245639964,2cyclictest743-21snmpd00:07:490
245639964,2cyclictest27949-21cat20:35:140
245809955,0cyclictest743-21snmpd22:50:273
245809955,0cyclictest741-21lldpd22:10:213
245809954,1cyclictest743-21snmpd23:30:313
245809954,1cyclictest522-21avahi-daemon23:45:043
245809953,2cyclictest743-21snmpd21:25:413
245809953,2cyclictest207-21jbd2/nvme0n1p2-823:35:383
245809952,3cyclictest6749-21apt-get23:40:113
245809952,2cyclictest32636-21basename23:25:103
245809952,2cyclictest31603-21wc23:20:173
245809952,2cyclictest29175-21sed19:20:143
245809951,4cyclictest557-21NetworkManager20:05:263
245809951,4cyclictest557-21NetworkManager19:32:393
245809951,3cyclictest11536-21perl21:15:143
245809950,3cyclictest21099-21grep21:40:013
245769955,0cyclictest743-21snmpd23:39:552
245769954,1cyclictest26634-21ntpq21:50:162
245769954,1cyclictest0-21swapper/219:10:142
245769953,2cyclictest743-21snmpd19:23:462
245769953,2cyclictest19450-21grep21:35:112
245769952,3cyclictest743-21snmpd23:26:462
245769952,2cyclictest8574-21unixbench_singl21:05:212
245769952,2cyclictest21272-21smartctl00:15:142
245769952,2cyclictest14853-21ntp_kernel_pll_22:40:162
245769952,2cyclictest12732-21awk22:35:152
245769952,2cyclictest12732-21awk22:35:152
245769952,2cyclictest11510-21ld23:50:162
245769950,4cyclictest3133-21ntp_states23:30:172
245639954,1cyclictest743-21snmpd22:58:360
245639953,2cyclictest743-21snmpd22:04:190
245639953,2cyclictest743-21snmpd21:16:450
245639953,2cyclictest743-21snmpd20:53:020
245639953,2cyclictest557-21NetworkManager19:35:120
245639952,3cyclictest20217-21users00:10:190
245639952,2cyclictest244-20systemd-journal19:16:130
245639951,3cyclictest29765-21ld00:35:180
245809943,1cyclictest743-21snmpd22:05:083
245809943,1cyclictest31639-21cpuspeed_turbos20:45:113
245809943,1cyclictest26665-21cpuspeed_turbos23:10:103
245809942,2cyclictest557-21NetworkManager20:00:133
245809941,3cyclictest18955-21grep00:10:103
245809941,2cyclictest28012-21seq20:35:143
245809940,4cyclictest4680-21ntpq22:15:153
245809940,3cyclictest31704-21irqstats19:25:133
245769941,2cyclictest20099-21strings20:15:152
245769941,2cyclictest18186-21grep22:50:122
245769940,3cyclictest15321-21apt-get21:25:122
245769940,3cyclictest13310-21apt-get21:20:122
245639941,2cyclictest5427-21sed19:40:140
245639940,3cyclictest7541-21fw_packets21:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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