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2026-04-21 - 01:58

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 Apr 20, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28045991918,1cyclictest65850irq/126-lan11:00:083
28045991918,1cyclictest65850irq/126-lan09:20:253
28045991918,1cyclictest65850irq/126-lan08:01:563
28045991818,0cyclictest65850irq/126-lan08:05:553
28045991817,1cyclictest65850irq/126-lan11:20:213
28045991817,1cyclictest65850irq/126-lan09:50:163
28045991817,1cyclictest65850irq/126-lan09:30:133
28045991817,1cyclictest65850irq/126-lan07:15:153
28039991818,0cyclictest743-21snmpd11:08:221
28039991818,0cyclictest743-21snmpd10:52:121
28039991818,0cyclictest743-21snmpd08:48:111
28045991717,0cyclictest65850irq/126-lan11:30:063
28045991717,0cyclictest65850irq/126-lan09:35:063
28045991717,0cyclictest65850irq/126-lan08:35:163
28045991716,1cyclictest65850irq/126-lan12:20:103
28045991716,1cyclictest65850irq/126-lan12:05:113
28045991716,1cyclictest65850irq/126-lan11:43:053
28045991716,1cyclictest65850irq/126-lan11:14:213
28045991716,1cyclictest65850irq/126-lan10:53:203
28045991716,1cyclictest65850irq/126-lan10:40:133
28045991716,1cyclictest65850irq/126-lan10:25:183
28045991716,1cyclictest65850irq/126-lan10:00:103
28045991716,1cyclictest65850irq/126-lan09:00:183
28045991716,1cyclictest65850irq/126-lan08:50:223
28045991716,1cyclictest65850irq/126-lan08:10:193
28045991716,1cyclictest65850irq/126-lan07:20:083
28039991717,0cyclictest743-21snmpd11:52:201
28039991717,0cyclictest743-21snmpd10:36:111
28039991717,0cyclictest743-21snmpd09:03:231
28039991717,0cyclictest31894-21cat08:35:161
28039991717,0cyclictest17357-21cat08:00:141
28045991616,0cyclictest65850irq/126-lan12:30:133
28045991616,0cyclictest65850irq/126-lan11:15:123
28045991616,0cyclictest65850irq/126-lan10:34:493
28045991616,0cyclictest65850irq/126-lan08:45:153
28045991615,1cyclictest65850irq/126-lan12:15:213
28045991615,1cyclictest65850irq/126-lan11:25:203
28045991615,1cyclictest65850irq/126-lan10:45:163
28045991615,1cyclictest65850irq/126-lan09:55:143
28045991615,1cyclictest65850irq/126-lan09:40:183
28045991615,1cyclictest65850irq/126-lan08:30:123
28045991615,1cyclictest65850irq/126-lan08:25:193
28045991615,1cyclictest65850irq/126-lan07:50:173
28039991616,0cyclictest743-21snmpd11:10:201
28039991616,0cyclictest743-21snmpd10:16:561
28039991616,0cyclictest15966-21fwupd10:33:051
28045991515,0cyclictest65850irq/126-lan12:10:113
28045991515,0cyclictest65850irq/126-lan11:45:143
28045991515,0cyclictest65850irq/126-lan09:15:133
28045991515,0cyclictest65850irq/126-lan07:39:223
28045991515,0cyclictest65850irq/126-lan07:30:223
28045991514,1cyclictest65850irq/126-lan12:40:013
28045991514,1cyclictest65850irq/126-lan11:50:143
28045991514,1cyclictest65850irq/126-lan10:55:163
28045991514,1cyclictest65850irq/126-lan09:25:003
28045991514,1cyclictest65850irq/126-lan09:10:203
28045991514,1cyclictest65850irq/126-lan08:15:183
28045991413,1cyclictest65850irq/126-lan11:40:003
28045991413,1cyclictest65850irq/126-lan09:05:153
28045991413,1cyclictest65850irq/126-lan08:55:123
28039991414,0cyclictest743-21snmpd11:02:161
28039991414,0cyclictest743-21snmpd10:07:011
28039991414,0cyclictest743-21snmpd09:07:041
28045991313,0cyclictest65850irq/126-lan11:05:173
28045991313,0cyclictest65850irq/126-lan10:11:053
28045991312,1cyclictest65850irq/126-lan10:20:213
28045991312,1cyclictest65850irq/126-lan10:05:193
28045991312,1cyclictest65850irq/126-lan07:45:053
28045991212,0cyclictest65850irq/126-lan08:24:523
28045991212,0cyclictest65850irq/126-lan07:10:123
28045991211,1cyclictest65850irq/126-lan07:25:173
28045991111,0cyclictest65850irq/126-lan12:25:123
28045991111,0cyclictest65850irq/126-lan10:35:063
28039991110,1cyclictest15720-21kworker/1:1+events11:30:231
2804599109,1cyclictest65850irq/126-lan12:00:123
2804599109,1cyclictest65850irq/126-lan11:55:203
2803999109,1cyclictest15720-21kworker/1:1+events11:36:521
280459999,0cyclictest65850irq/126-lan07:40:173
280439998,1cyclictest743-21snmpd08:37:572
280439998,1cyclictest743-21snmpd08:29:102
280399998,1cyclictest741-21lldpd07:48:161
280349996,3cyclictest717-21ntpd11:59:310
280349996,3cyclictest717-21ntpd11:27:210
280349996,3cyclictest717-21ntpd10:57:560
280349996,3cyclictest717-21ntpd10:13:370
280349996,3cyclictest717-21ntpd09:27:260
280459988,0cyclictest741-21lldpd08:42:413
280459987,1cyclictest65850irq/126-lan09:45:193
280439988,0cyclictest743-21snmpd12:16:252
280439988,0cyclictest743-21snmpd11:35:342
280439988,0cyclictest743-21snmpd11:16:592
280439988,0cyclictest743-21snmpd09:07:312
280439988,0cyclictest741-21lldpd12:07:152
280439988,0cyclictest741-21lldpd08:43:252
280439988,0cyclictest741-21lldpd08:19:282
280439988,0cyclictest741-21lldpd08:08:252
280439987,1cyclictest743-21snmpd07:36:032
280439987,1cyclictest741-21lldpd07:12:472
280439986,2cyclictest743-21snmpd10:47:092
280439986,2cyclictest743-21snmpd09:51:202
280439986,2cyclictest743-21snmpd09:10:482
280439986,2cyclictest743-21snmpd08:49:292
280399988,0cyclictest743-21snmpd07:32:531
280399988,0cyclictest741-21lldpd12:25:301
280399988,0cyclictest741-21lldpd09:49:591
280399988,0cyclictest741-21lldpd09:11:551
280399988,0cyclictest741-21lldpd08:33:001
280399988,0cyclictest741-21lldpd07:39:521
280399987,1cyclictest743-21snmpd12:35:341
280399987,1cyclictest743-21snmpd11:27:101
280399987,1cyclictest743-21snmpd10:20:321
280399987,1cyclictest743-21snmpd09:37:141
280399987,1cyclictest743-21snmpd08:18:311
280399987,1cyclictest741-21lldpd07:16:461
280399987,1cyclictest522-21avahi-daemon09:40:251
280399986,2cyclictest743-21snmpd11:58:201
280399986,2cyclictest743-21snmpd11:43:591
280399986,2cyclictest743-21snmpd10:59:581
280399986,2cyclictest743-21snmpd10:44:311
280399986,2cyclictest743-21snmpd10:02:101
280399986,2cyclictest21803-21cat08:10:131
280399985,3cyclictest743-21snmpd10:27:511
280349988,0cyclictest743-21snmpd09:38:160
280349988,0cyclictest743-21snmpd08:17:340
280349988,0cyclictest741-21lldpd12:04:460
280349988,0cyclictest741-21lldpd11:06:030
280349987,1cyclictest743-21snmpd12:10:240
280349986,2cyclictest743-21snmpd11:45:240
280349986,2cyclictest743-21snmpd11:38:410
280349986,2cyclictest743-21snmpd08:41:530
280349986,2cyclictest743-21snmpd07:26:500
280349986,2cyclictest717-21ntpd12:35:110
280349986,2cyclictest717-21ntpd12:31:030
280349986,2cyclictest717-21ntpd12:20:090
280349986,2cyclictest717-21ntpd12:16:410
280349986,2cyclictest717-21ntpd11:40:510
280349986,2cyclictest717-21ntpd11:20:450
280349986,2cyclictest717-21ntpd11:15:340
280349986,2cyclictest717-21ntpd11:10:250
280349986,2cyclictest717-21ntpd11:00:360
280349986,2cyclictest717-21ntpd10:50:300
280349986,2cyclictest717-21ntpd10:36:220
280349986,2cyclictest717-21ntpd10:20:060
280349986,2cyclictest717-21ntpd10:15:400
280349986,2cyclictest717-21ntpd10:05:040
280349986,2cyclictest717-21ntpd10:00:240
280349986,2cyclictest717-21ntpd09:55:510
280349986,2cyclictest717-21ntpd09:50:260
280349986,2cyclictest717-21ntpd09:16:010
280349986,2cyclictest717-21ntpd09:10:430
280349986,2cyclictest717-21ntpd09:02:030
280349986,2cyclictest717-21ntpd08:26:210
280349986,2cyclictest12060-21cat09:05:150
280349985,3cyclictest717-21ntpd12:05:530
280349985,3cyclictest717-21ntpd11:30:100
280349985,3cyclictest717-21ntpd10:30:420
280349985,3cyclictest717-21ntpd08:20:560
280439977,0cyclictest743-21snmpd10:12:542
280439977,0cyclictest743-21snmpd09:55:232
280439977,0cyclictest743-21snmpd09:46:372
280439977,0cyclictest743-21snmpd09:25:392
280439977,0cyclictest743-21snmpd08:30:282
280439977,0cyclictest743-21snmpd07:54:002
280439977,0cyclictest741-21lldpd11:27:562
280439977,0cyclictest741-21lldpd11:23:312
280439977,0cyclictest741-21lldpd10:05:072
280439977,0cyclictest741-21lldpd09:39:262
280439976,1cyclictest743-21snmpd09:20:312
280439976,1cyclictest743-21snmpd08:11:072
280439976,1cyclictest743-21snmpd07:28:112
280439976,1cyclictest522-21avahi-daemon10:02:552
280439976,1cyclictest522-21avahi-daemon08:01:462
280439976,1cyclictest12092-21cron10:25:002
280439975,2cyclictest743-21snmpd11:49:332
280439975,2cyclictest743-21snmpd11:31:262
280439975,2cyclictest743-21snmpd07:24:562
280399977,0cyclictest741-21lldpd09:29:471
280399976,1cyclictest743-21snmpd12:34:011
280399976,1cyclictest743-21snmpd12:10:421
280399976,1cyclictest5796-21grep08:50:161
280399976,1cyclictest522-21avahi-daemon09:55:181
280399976,1cyclictest15720-21kworker/1:1+events12:00:171
280399976,1cyclictest15720-21kworker/1:1+events11:15:131
280399976,1cyclictest15720-21kworker/1:1+events09:20:141
280399976,1cyclictest15720-21kworker/1:1+events09:15:211
280399976,1cyclictest15720-21kworker/1:1+events08:58:171
280399976,1cyclictest15720-21kworker/1:1+events08:40:191
280399976,1cyclictest15720-21kworker/1:1+events07:40:151
280399975,2cyclictest743-21snmpd12:05:571
280399975,2cyclictest743-21snmpd10:10:031
280349977,0cyclictest743-21snmpd08:50:210
280349977,0cyclictest743-21snmpd07:34:120
280349977,0cyclictest743-21snmpd07:15:440
280349977,0cyclictest741-21lldpd08:57:190
280349976,1cyclictest743-21snmpd09:44:530
280349976,1cyclictest743-21snmpd08:06:050
280349976,1cyclictest741-21lldpd07:53:550
280349975,2cyclictest743-21snmpd09:48:010
280349975,2cyclictest743-21snmpd07:56:210
280349975,2cyclictest717-21ntpd08:45:090
280349975,2cyclictest717-21ntpd07:10:100
280349974,2cyclictest717-21ntpd11:50:040
280349973,3cyclictest22548-21apt-get09:30:110
280459966,0cyclictest65850irq/126-lan07:55:113
280439966,0cyclictest743-21snmpd11:58:022
280439966,0cyclictest741-21lldpd07:58:342
280439966,0cyclictest741-21lldpd07:31:272
280439965,1cyclictest7495-21cut08:55:132
280439965,1cyclictest743-21snmpd11:50:562
280439965,1cyclictest743-21snmpd11:11:592
280439965,1cyclictest26930-21gltestperf09:40:132
280439965,1cyclictest24539-21cpuspeed_turbos10:55:122
280439964,2cyclictest743-21snmpd12:25:332
280439964,2cyclictest743-21snmpd11:01:152
280439962,3cyclictest29849-21sed11:05:212
280439962,3cyclictest23012-21memory10:50:152
280439961,5cyclictest557-21NetworkManager12:30:362
280399965,1cyclictest743-21snmpd09:50:201
280399965,1cyclictest741-21lldpd08:09:311
280399965,1cyclictest15720-21kworker/1:1+events12:15:171
280399965,1cyclictest15720-21kworker/1:1+events11:49:131
280399965,1cyclictest15720-21kworker/1:1+events11:20:301
280399965,1cyclictest15720-21kworker/1:1+events10:45:121
280399965,1cyclictest15720-21kworker/1:1+events09:30:151
280399965,1cyclictest15720-21kworker/1:1+events08:25:171
280399965,1cyclictest15720-21kworker/1:1+events07:55:151
280399965,1cyclictest15720-21kworker/1:1+events07:50:021
280399965,1cyclictest15720-21kworker/1:1+events07:25:151
280399965,1cyclictest15720-21kworker/1:1+events07:20:151
280399965,1cyclictest15720-21kworker/1:1+events07:10:011
280349966,0cyclictest743-21snmpd10:45:000
280349965,1cyclictest743-21snmpd07:35:010
280349964,2cyclictest743-21snmpd10:43:070
280349964,2cyclictest743-21snmpd09:20:250
280349964,2cyclictest743-21snmpd08:31:280
280349964,2cyclictest743-21snmpd08:11:010
280349962,3cyclictest9563-21sed07:40:210
280349962,3cyclictest18259-21sed08:00:210
280459954,1cyclictest65850irq/126-lan10:16:063
280439955,0cyclictest522-21avahi-daemon12:22:542
280439954,1cyclictest10873-21cat07:45:152
280439953,2cyclictest743-21snmpd08:20:442
280439952,3cyclictest23635-21ld12:10:172
280439952,2cyclictest8874-21cron09:00:002
280439952,2cyclictest575-21rs:main2
280439952,2cyclictest13636-21grep10:25:222
280439951,3cyclictest9505-21sed07:40:212
280439950,4cyclictest19490-21ntpq12:00:172
280439950,4cyclictest16828-21ntpq09:15:172
280439950,4cyclictest16811-21ls10:35:152
280439950,3cyclictest20187-21apt10:45:012
280399954,1cyclictest15720-21kworker/1:1+events12:20:171
280399954,1cyclictest15720-21kworker/1:1+events08:20:141
280349953,2cyclictest743-21snmpd07:47:270
280349951,3cyclictest30631-21users12:25:200
280439944,0cyclictest522-21avahi-daemon10:17:272
280439942,2cyclictest557-21NetworkManager11:44:012
280439942,2cyclictest14419-21grep10:30:102
280439941,2cyclictest22766-21grep09:30:132
280439940,4cyclictest1779-21ntpq12:35:192
280439940,3cyclictest5295-21df_inode08:50:132
280349942,0cyclictest0-21swapper/008:35:100
280349941,2cyclictest401-21entropy07:20:130
280349930,3cyclictest12335-21/usr/sbin/munin10:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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