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2026-03-17 - 01:17

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 Mon Mar 16, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4823993737,0cyclictest6200-21fwupd12:25:211
4823991918,1cyclictest65850irq/126-lan08:33:111
4823991918,1cyclictest65850irq/126-lan07:55:171
4827991818,0cyclictest743-21snmpd11:57:222
4827991818,0cyclictest743-21snmpd10:13:182
4827991818,0cyclictest743-21snmpd09:57:152
4823991818,0cyclictest65850irq/126-lan12:15:211
4823991818,0cyclictest65850irq/126-lan11:35:141
4823991818,0cyclictest65850irq/126-lan08:25:151
4823991817,1cyclictest65850irq/126-lan09:00:201
4823991817,1cyclictest65850irq/126-lan09:00:201
4823991817,1cyclictest65850irq/126-lan08:35:101
4823991717,0cyclictest65850irq/126-lan11:12:311
4823991717,0cyclictest65850irq/126-lan10:30:201
4823991716,1cyclictest65850irq/126-lan12:00:191
4823991716,1cyclictest65850irq/126-lan11:45:121
4823991716,1cyclictest65850irq/126-lan11:40:131
4823991716,1cyclictest65850irq/126-lan10:20:141
4823991716,1cyclictest65850irq/126-lan08:42:311
4823991716,1cyclictest65850irq/126-lan08:05:121
4827991616,0cyclictest743-21snmpd11:52:282
4823991616,0cyclictest65850irq/126-lan12:35:121
4823991616,0cyclictest65850irq/126-lan12:05:131
4823991616,0cyclictest65850irq/126-lan09:20:121
4823991616,0cyclictest65850irq/126-lan08:00:141
4823991616,0cyclictest65850irq/126-lan07:25:121
4823991615,1cyclictest65850irq/126-lan12:30:191
4823991615,1cyclictest65850irq/126-lan12:10:181
4823991615,1cyclictest65850irq/126-lan11:05:121
4823991615,1cyclictest65850irq/126-lan10:35:121
4823991615,1cyclictest65850irq/126-lan10:00:201
4823991615,1cyclictest65850irq/126-lan09:25:201
4823991615,1cyclictest65850irq/126-lan08:15:141
4823991615,1cyclictest65850irq/126-lan07:40:161
4823991515,0cyclictest65850irq/126-lan11:17:311
4823991515,0cyclictest65850irq/126-lan10:48:311
4823991515,0cyclictest65850irq/126-lan09:30:121
4823991515,0cyclictest65850irq/126-lan09:10:261
4823991515,0cyclictest65850irq/126-lan07:50:201
4823991515,0cyclictest65850irq/126-lan07:21:301
4823991514,1cyclictest65850irq/126-lan11:20:171
4823991514,1cyclictest65850irq/126-lan09:15:111
4823991514,1cyclictest65850irq/126-lan08:10:221
4823991514,1cyclictest65850irq/126-lan07:45:121
4823991514,1cyclictest65850irq/126-lan07:35:141
4823991514,1cyclictest65850irq/126-lan07:30:191
4823991414,0cyclictest65850irq/126-lan11:50:201
4823991414,0cyclictest65850irq/126-lan09:50:121
4823991414,0cyclictest65850irq/126-lan09:35:201
4823991414,0cyclictest65850irq/126-lan09:08:201
4823991413,1cyclictest65850irq/126-lan10:55:141
4823991413,1cyclictest65850irq/126-lan10:25:161
4823991413,1cyclictest65850irq/126-lan10:05:131
4823991413,1cyclictest65850irq/126-lan08:45:181
4823991313,0cyclictest65850irq/126-lan10:40:171
4823991313,0cyclictest65850irq/126-lan09:45:011
4823991312,1cyclictest65850irq/126-lan12:20:121
4823991312,1cyclictest65850irq/126-lan11:55:131
4823991312,1cyclictest65850irq/126-lan08:50:011
482999128,1cyclictest19993-21cut10:25:003
4823991212,0cyclictest65850irq/126-lan09:55:161
4823991212,0cyclictest65850irq/126-lan08:20:111
4823991211,1cyclictest65850irq/126-lan11:30:161
482999118,1cyclictest741-21lldpd11:00:193
482999116,2cyclictest743-21snmpd10:46:313
4823991111,0cyclictest65850irq/126-lan11:00:401
4823991110,1cyclictest65850irq/126-lan10:15:151
4823991110,1cyclictest65850irq/126-lan09:40:141
4823991110,1cyclictest65850irq/126-lan07:15:131
4823991010,0cyclictest65850irq/126-lan11:29:311
48299998,1cyclictest741-21lldpd12:26:023
48299998,1cyclictest741-21lldpd09:18:443
48279998,1cyclictest743-21snmpd12:05:522
48279998,1cyclictest743-21snmpd11:41:182
48279998,1cyclictest743-21snmpd11:02:082
48279998,1cyclictest741-21lldpd09:35:582
48279998,1cyclictest741-21lldpd09:05:092
48239999,0cyclictest65850irq/126-lan10:14:131
48239999,0cyclictest65850irq/126-lan07:10:181
48189998,1cyclictest743-21snmpd08:48:280
48299988,0cyclictest743-21snmpd12:33:323
48299987,1cyclictest743-21snmpd11:12:473
48299987,1cyclictest741-21lldpd10:09:423
48299987,1cyclictest741-21lldpd09:43:323
48299987,1cyclictest522-21avahi-daemon07:42:173
48299986,2cyclictest743-21snmpd09:54:243
48299986,2cyclictest743-21snmpd09:14:043
48299986,2cyclictest743-21snmpd08:13:573
48299986,2cyclictest717-21ntpd11:45:163
48279988,0cyclictest743-21snmpd08:37:472
48279988,0cyclictest743-21snmpd07:17:132
48279988,0cyclictest741-21lldpd11:24:552
48279987,1cyclictest743-21snmpd11:13:022
48279987,1cyclictest743-21snmpd09:04:312
48279987,1cyclictest743-21snmpd09:04:312
48279987,1cyclictest743-21snmpd08:46:162
48279987,1cyclictest743-21snmpd08:14:092
48279986,2cyclictest743-21snmpd10:54:532
48279986,2cyclictest743-21snmpd10:33:582
48239987,1cyclictest65850irq/126-lan10:50:131
48189988,0cyclictest741-21lldpd12:21:560
48189987,1cyclictest743-21snmpd11:32:390
48189987,1cyclictest743-21snmpd11:23:150
48189987,1cyclictest743-21snmpd08:15:030
48189987,1cyclictest743-21snmpd07:54:200
48189987,1cyclictest743-21snmpd07:21:390
48189987,1cyclictest741-21lldpd07:10:180
48189987,1cyclictest522-21avahi-daemon07:25:210
48189987,1cyclictest21342-21fschecks_time11:45:140
48189986,2cyclictest743-21snmpd11:15:230
48189986,2cyclictest743-21snmpd10:35:430
48189986,2cyclictest717-21ntpd12:00:180
48189986,2cyclictest717-21ntpd07:55:010
48299977,0cyclictest743-21snmpd09:06:493
48299977,0cyclictest741-21lldpd12:38:103
48299977,0cyclictest741-21lldpd12:22:263
48299977,0cyclictest741-21lldpd12:11:063
48299977,0cyclictest741-21lldpd09:34:523
48299977,0cyclictest506-21systemd-resolve10:28:473
48299976,1cyclictest743-21snmpd11:54:493
48299976,1cyclictest743-21snmpd10:19:333
48299976,1cyclictest743-21snmpd09:21:053
48299976,1cyclictest717-21ntpd10:40:213
48299976,1cyclictest717-21ntpd07:35:143
48299976,1cyclictest29286-21cpuspeed_turbos12:05:113
48299975,2cyclictest743-21snmpd08:41:123
48299975,2cyclictest743-21snmpd08:34:063
48299975,2cyclictest743-21snmpd08:25:483
48299975,2cyclictest743-21snmpd08:05:123
48299975,2cyclictest717-21ntpd11:04:593
48299975,2cyclictest717-21ntpd10:55:113
48299975,2cyclictest717-21ntpd10:35:173
48299975,2cyclictest717-21ntpd08:55:123
48299975,2cyclictest717-21ntpd08:15:193
48279977,0cyclictest743-21snmpd11:45:092
48279977,0cyclictest743-21snmpd11:25:122
48279977,0cyclictest743-21snmpd10:56:142
48279977,0cyclictest743-21snmpd10:18:302
48279977,0cyclictest743-21snmpd09:51:092
48279977,0cyclictest743-21snmpd07:53:342
48279977,0cyclictest741-21lldpd08:08:192
48279976,1cyclictest9348-21gltestperf07:20:132
48279976,1cyclictest743-21snmpd11:05:292
48279975,2cyclictest743-21snmpd12:13:132
48279975,2cyclictest743-21snmpd12:01:312
48279975,2cyclictest743-21snmpd10:05:362
48279975,2cyclictest743-21snmpd07:40:022
48279975,2cyclictest743-21snmpd07:35:042
48279974,1cyclictest43-21ksoftirqd/210:35:142
48189977,0cyclictest743-21snmpd12:35:290
48189977,0cyclictest743-21snmpd11:59:340
48189977,0cyclictest743-21snmpd09:15:130
48189977,0cyclictest741-21lldpd10:28:380
48189977,0cyclictest741-21lldpd09:53:270
48189977,0cyclictest741-21lldpd09:20:440
48189977,0cyclictest741-21lldpd09:00:590
48189977,0cyclictest741-21lldpd09:00:590
48189977,0cyclictest741-21lldpd07:39:150
48189976,1cyclictest743-21snmpd11:10:050
48189976,1cyclictest741-21lldpd11:41:130
48189975,2cyclictest743-21snmpd12:26:360
48189975,2cyclictest743-21snmpd12:15:160
48189975,2cyclictest743-21snmpd11:51:160
48189975,2cyclictest743-21snmpd10:44:550
48189975,2cyclictest743-21snmpd08:25:030
48189975,2cyclictest717-21ntpd11:35:220
48189975,2cyclictest10485-21grep10:00:130
48299966,0cyclictest741-21lldpd12:19:023
48299966,0cyclictest741-21lldpd11:23:193
48299966,0cyclictest741-21lldpd10:12:143
48299966,0cyclictest741-21lldpd07:20:503
48299965,1cyclictest743-21snmpd08:46:403
48299965,1cyclictest741-21lldpd09:28:503
48299965,1cyclictest717-21ntpd09:00:163
48299965,1cyclictest717-21ntpd09:00:153
48299965,1cyclictest590-21gmain08:20:183
48299965,1cyclictest11361-21gltestperf07:25:143
48299965,1cyclictest0-21swapper/311:40:003
48299964,2cyclictest743-21snmpd10:51:473
48299964,2cyclictest743-21snmpd10:33:073
48299964,2cyclictest743-21snmpd07:54:593
48279966,0cyclictest743-21snmpd08:21:472
48279966,0cyclictest741-21lldpd10:20:092
48279966,0cyclictest741-21lldpd09:49:462
48279966,0cyclictest741-21lldpd09:40:562
48279966,0cyclictest741-21lldpd09:16:112
48279966,0cyclictest741-21lldpd08:30:572
48279966,0cyclictest506-21systemd-resolve07:12:352
48279965,1cyclictest743-21snmpd08:56:342
48279965,1cyclictest522-21avahi-daemon09:25:332
48279965,1cyclictest522-21avahi-daemon08:03:032
48279963,2cyclictest17734-21ntpq11:35:162
48279963,2cyclictest11519-21grep10:00:212
48279962,2cyclictest5180-21cat08:30:012
48279962,1cyclictest16731-21kworker/2:1+events11:30:162
48189966,0cyclictest741-21lldpd07:48:080
48189966,0cyclictest741-21lldpd07:15:280
48189965,1cyclictest743-21snmpd09:35:310
48189965,1cyclictest741-21lldpd12:08:000
48189964,2cyclictest743-21snmpd08:39:180
48189964,2cyclictest743-21snmpd07:41:050
48189964,2cyclictest13370-21cat11:25:150
48189963,3cyclictest32250-21sed12:10:200
48189962,4cyclictest20046-21cat10:25:000
48189962,3cyclictest30633-21fw_forwarded_lo10:50:140
48299955,0cyclictest741-21lldpd08:52:543
48299955,0cyclictest0-21swapper/309:55:133
48299954,1cyclictest0-21swapper/308:05:003
48299953,2cyclictest743-21snmpd10:01:063
48299953,2cyclictest743-21snmpd07:55:293
48299953,2cyclictest717-21ntpd11:42:423
48299952,3cyclictest7276-21perl07:15:123
48299952,3cyclictest557-21NetworkManager12:04:413
48299952,3cyclictest557-21NetworkManager09:46:293
48299952,2cyclictest25101-21apt11:55:113
48299952,2cyclictest19163-21/usr/sbin/munin07:45:233
48279954,1cyclictest743-21snmpd12:30:112
48279954,1cyclictest421ktimers/209:20:162
48279954,1cyclictest28697-21gltestperf10:45:132
48279954,1cyclictest207-21jbd2/nvme0n1p2-812:24:472
48279954,1cyclictest16731-21kworker/2:1+events_freezable_pwr_efficient12:18:332
48279954,1cyclictest16731-21kworker/2:1+events_freezable_pwr_efficient09:33:482
48279954,1cyclictest16731-21kworker/2:1+events_freezable_pwr_efficient09:11:502
48279953,2cyclictest743-21snmpd10:43:402
48279953,2cyclictest743-21snmpd08:50:392
48279953,2cyclictest717-21ntpd12:37:112
48279953,2cyclictest21013-21sed07:50:012
48279953,0cyclictest191rcu_preempt08:45:012
48279952,2cyclictest5663-21cat12:25:152
48279952,2cyclictest13706-21sed07:30:142
48279952,2cyclictest11298-21fschecks_time07:25:132
48189955,0cyclictest743-21snmpd08:05:270
48189955,0cyclictest590-21gmain09:31:310
48189955,0cyclictest522-21avahi-daemon11:04:340
48189954,1cyclictest743-21snmpd08:55:220
48189954,1cyclictest522-21avahi-daemon08:20:420
48189954,1cyclictest522-21avahi-daemon08:00:490
48189954,1cyclictest0-21swapper/009:40:140
48189953,2cyclictest743-21snmpd10:12:450
48189953,2cyclictest717-21ntpd10:33:470
48189952,3cyclictest7154-21fw_forwarded_lo12:30:110
48189952,3cyclictest557-21NetworkManager09:26:150
48189952,2cyclictest8388-21cut09:55:120
48189952,2cyclictest244-20systemd-journal08:31:480
48189952,2cyclictest20925-21sendmail_mailqu09:05:190
48189952,2cyclictest1654-21sshd10:59:310
48189951,3cyclictest28782-21irqstats10:45:140
48189951,3cyclictest16498-21fw_forwarded_lo10:15:130
48189951,3cyclictest12232-21grep10:05:120
48189950,5cyclictest22730-21ntpq09:10:160
48189950,4cyclictest14274-21ntpq08:50:170
48189950,4cyclictest10133-21ntpq08:40:160
48299942,2cyclictest7697-21head08:35:113
48299942,2cyclictest743-21snmpd11:15:173
48299941,2cyclictest743-21snmpd09:35:173
48299941,2cyclictest244-20systemd-journal07:11:193
48299941,2cyclictest13304-21gltestperf11:25:143
48299941,2cyclictest13144-21cat07:30:113
48299940,3cyclictest15785-21ntp_states11:30:173
48279942,2cyclictest24901-21sshd07:59:312
48279942,2cyclictest21020-21ldconfig10:25:162
48279941,3cyclictest557-21NetworkManager11:18:082
48279941,2cyclictest32102-21ld08:15:162
48189942,2cyclictest29695-21cat08:10:160
48189941,2cyclictest4698-21wc09:45:150
48189941,2cyclictest4663-21grep11:05:130
48189940,4cyclictest13827-21ntpq07:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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