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2026-05-22 - 14:50

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 Fri May 22, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13009991918,1cyclictest65850irq/126-lan22:24:381
13009991918,1cyclictest65850irq/126-lan19:51:421
13009991817,1cyclictest65850irq/126-lan21:45:121
13009991817,1cyclictest65850irq/126-lan20:47:281
13009991817,1cyclictest65850irq/126-lan20:40:001
13009991817,1cyclictest65850irq/126-lan20:01:111
13009991717,0cyclictest65850irq/126-lan19:58:091
13009991717,0cyclictest65850irq/126-lan19:25:201
13009991716,1cyclictest65850irq/126-lan23:45:141
13009991716,1cyclictest65850irq/126-lan23:36:241
13009991716,1cyclictest65850irq/126-lan21:25:201
13009991716,1cyclictest65850irq/126-lan20:40:111
13009991716,1cyclictest65850irq/126-lan20:05:181
13009991716,1cyclictest65850irq/126-lan00:25:131
13009991616,0cyclictest65850irq/126-lan22:10:131
13009991616,0cyclictest65850irq/126-lan21:30:111
13009991616,0cyclictest65850irq/126-lan19:45:291
13009991616,0cyclictest65850irq/126-lan19:23:421
13009991616,0cyclictest65850irq/126-lan00:13:591
13009991615,1cyclictest65850irq/126-lan23:50:131
13009991615,1cyclictest65850irq/126-lan23:10:151
13009991615,1cyclictest65850irq/126-lan22:39:591
13009991615,1cyclictest65850irq/126-lan22:05:121
13009991515,0cyclictest65850irq/126-lan23:30:231
13009991515,0cyclictest65850irq/126-lan22:55:191
13009991515,0cyclictest65850irq/126-lan22:25:151
13009991515,0cyclictest65850irq/126-lan20:50:321
13009991515,0cyclictest65850irq/126-lan00:00:081
13009991514,1cyclictest65850irq/126-lan21:20:171
13009991514,1cyclictest65850irq/126-lan21:15:161
13009991414,0cyclictest65850irq/126-lan19:15:201
13009991414,0cyclictest65850irq/126-lan00:35:121
13009991413,1cyclictest65850irq/126-lan23:25:161
13009991413,1cyclictest65850irq/126-lan21:50:121
13009991413,1cyclictest65850irq/126-lan19:40:191
13009991413,1cyclictest65850irq/126-lan19:30:151
13009991413,1cyclictest65850irq/126-lan00:05:111
13009991313,0cyclictest65850irq/126-lan23:40:201
13009991313,0cyclictest65850irq/126-lan21:00:201
13009991313,0cyclictest65850irq/126-lan20:55:171
13009991313,0cyclictest65850irq/126-lan20:25:081
13009991313,0cyclictest65850irq/126-lan19:36:551
13009991313,0cyclictest65850irq/126-lan00:15:111
13009991312,1cyclictest65850irq/126-lan23:20:221
13009991312,1cyclictest65850irq/126-lan23:15:141
13009991312,1cyclictest65850irq/126-lan23:05:221
13009991312,1cyclictest65850irq/126-lan22:50:121
13009991312,1cyclictest65850irq/126-lan22:15:211
13009991312,1cyclictest65850irq/126-lan20:15:171
13009991312,1cyclictest65850irq/126-lan19:10:171
13009991312,1cyclictest65850irq/126-lan00:30:151
13009991212,0cyclictest65850irq/126-lan23:55:171
13009991212,0cyclictest65850irq/126-lan22:45:131
13009991212,0cyclictest65850irq/126-lan21:42:151
13009991212,0cyclictest65850irq/126-lan20:30:151
13009991211,1cyclictest65850irq/126-lan23:00:111
13009991211,1cyclictest65850irq/126-lan21:35:191
13009991111,0cyclictest65850irq/126-lan22:30:141
13009991110,1cyclictest65850irq/126-lan21:05:161
13009991110,1cyclictest65850irq/126-lan20:20:111
13009991110,1cyclictest65850irq/126-lan20:10:111
1302099107,3cyclictest743-21snmpd00:26:043
1302099107,3cyclictest741-21lldpd00:14:383
1302099106,1cyclictest743-21snmpd21:37:543
1300999109,1cyclictest65850irq/126-lan22:00:121
1300999109,1cyclictest65850irq/126-lan21:55:231
1300999109,1cyclictest65850irq/126-lan21:10:181
130209997,0cyclictest741-21lldpd23:08:553
130209997,0cyclictest741-21lldpd19:37:023
130209996,0cyclictest743-21snmpd23:11:453
130169998,1cyclictest743-21snmpd22:25:322
130169998,1cyclictest743-21snmpd22:24:382
130169998,1cyclictest743-21snmpd21:59:312
130169996,3cyclictest743-21snmpd21:31:482
130099998,1cyclictest65850irq/126-lan22:40:161
130069998,1cyclictest743-21snmpd23:59:360
130069998,1cyclictest743-21snmpd23:24:110
130209988,0cyclictest743-21snmpd21:15:173
130209988,0cyclictest741-21lldpd23:04:223
130209988,0cyclictest741-21lldpd22:39:163
130209987,1cyclictest743-21snmpd23:35:263
130209987,1cyclictest743-21snmpd22:01:283
130209987,1cyclictest743-21snmpd19:12:083
130209987,1cyclictest741-21lldpd23:19:453
130209986,2cyclictest743-21snmpd22:25:353
130209986,2cyclictest743-21snmpd21:44:073
130209986,2cyclictest743-21snmpd21:21:033
130209986,2cyclictest743-21snmpd19:34:083
130209986,2cyclictest717-21ntpd23:45:163
130209986,2cyclictest717-21ntpd22:45:123
130209986,2cyclictest717-21ntpd22:10:213
130209986,0cyclictest741-21lldpd20:15:383
130209985,1cyclictest743-21snmpd23:27:313
130209983,2cyclictest30064-21cat22:30:153
130169988,0cyclictest743-21snmpd22:55:332
130169988,0cyclictest743-21snmpd00:06:122
130169988,0cyclictest741-21lldpd23:46:012
130169988,0cyclictest741-21lldpd23:06:532
130169988,0cyclictest741-21lldpd22:34:292
130169988,0cyclictest741-21lldpd19:13:332
130169987,1cyclictest743-21snmpd23:53:242
130169987,1cyclictest743-21snmpd23:15:062
130169987,1cyclictest743-21snmpd23:13:032
130169987,1cyclictest743-21snmpd21:12:542
130169987,1cyclictest522-21avahi-daemon22:04:252
130169986,2cyclictest743-21snmpd23:26:492
130169986,2cyclictest743-21snmpd22:10:582
130169986,2cyclictest743-21snmpd21:45:092
130169986,2cyclictest743-21snmpd20:44:222
130169986,2cyclictest743-21snmpd20:33:342
130169986,2cyclictest32154-21cat21:15:152
130069988,0cyclictest743-21snmpd20:06:060
130069988,0cyclictest741-21lldpd23:08:580
130069988,0cyclictest741-21lldpd21:22:350
130069987,1cyclictest743-21snmpd22:42:050
130069987,1cyclictest741-21lldpd22:21:260
130069986,2cyclictest743-21snmpd23:53:200
130069986,2cyclictest743-21snmpd22:31:110
130069986,2cyclictest743-21snmpd21:33:300
130069986,2cyclictest743-21snmpd00:38:210
130069986,2cyclictest743-21snmpd00:02:320
130069985,3cyclictest20281-21apt-get23:25:120
130209977,0cyclictest743-21snmpd21:55:313
130209977,0cyclictest741-21lldpd21:46:523
130209977,0cyclictest741-21lldpd20:48:573
130209977,0cyclictest741-21lldpd20:06:413
130209977,0cyclictest522-21avahi-daemon21:54:393
130209977,0cyclictest12714-21sh00:25:003
130209976,1cyclictest743-21snmpd20:50:563
130209976,1cyclictest743-21snmpd20:40:223
130209976,1cyclictest741-21lldpd20:36:313
130209976,1cyclictest717-21ntpd23:30:163
130209976,1cyclictest717-21ntpd22:50:133
130209976,1cyclictest717-21ntpd19:55:233
130209976,1cyclictest717-21ntpd19:50:163
130209975,2cyclictest743-21snmpd23:22:373
130209975,2cyclictest717-21ntpd22:55:233
130209975,2cyclictest717-21ntpd21:25:193
130209975,2cyclictest717-21ntpd19:20:143
130209974,3cyclictest717-21ntpd20:00:113
130209974,2cyclictest27617-21grep23:40:203
130169977,0cyclictest743-21snmpd21:09:112
130169977,0cyclictest743-21snmpd19:53:032
130169977,0cyclictest741-21lldpd22:54:582
130169977,0cyclictest741-21lldpd22:35:542
130169977,0cyclictest741-21lldpd20:20:222
130169977,0cyclictest741-21lldpd00:00:012
130169976,1cyclictest743-21snmpd23:38:322
130169976,1cyclictest743-21snmpd21:44:002
130169976,1cyclictest741-21lldpd21:51:382
130169976,1cyclictest741-21lldpd21:20:292
130169976,1cyclictest506-21systemd-resolve20:50:202
130169976,1cyclictest27413-21cpuspeed_turbos19:45:122
130169976,1cyclictest19634-21cat20:45:132
130169975,2cyclictest743-21snmpd23:56:172
130169975,2cyclictest743-21snmpd23:42:492
130169975,2cyclictest743-21snmpd22:42:562
130169975,2cyclictest743-21snmpd00:30:392
130169975,2cyclictest17683-21cat19:20:132
130169972,4cyclictest244-20systemd-journal22:18:082
130099975,2cyclictest743-21snmpd00:20:031
130069977,0cyclictest743-21snmpd20:50:230
130069977,0cyclictest743-21snmpd00:32:180
130069977,0cyclictest743-21snmpd00:21:570
130069977,0cyclictest741-21lldpd21:53:540
130069977,0cyclictest741-21lldpd21:17:310
130069977,0cyclictest741-21lldpd19:53:300
130069977,0cyclictest522-21avahi-daemon23:15:120
130069977,0cyclictest522-21avahi-daemon21:43:280
130069977,0cyclictest522-21avahi-daemon21:08:200
130069976,1cyclictest522-21avahi-daemon22:15:210
130069976,1cyclictest19792-21fschecks_time22:05:110
130069975,2cyclictest743-21snmpd23:04:240
130069975,2cyclictest743-21snmpd22:01:380
130069975,2cyclictest743-21snmpd21:55:370
130069975,2cyclictest743-21snmpd21:11:020
130069975,2cyclictest743-21snmpd20:41:340
130069975,2cyclictest743-21snmpd20:32:310
130069975,2cyclictest743-21snmpd20:03:390
130069975,2cyclictest743-21snmpd19:48:510
130069975,2cyclictest743-21snmpd19:22:290
130069975,2cyclictest743-21snmpd00:18:060
130069975,2cyclictest743-21snmpd00:10:180
130069974,2cyclictest244-20systemd-journal23:45:160
130209966,0cyclictest743-21snmpd20:31:133
130209965,1cyclictest743-21snmpd21:08:233
130209965,1cyclictest741-21lldpd20:59:313
130209965,1cyclictest19715-21cat19:25:143
130209964,2cyclictest9542-21cat20:20:123
130209962,3cyclictest27066-21cron19:45:003
130169966,0cyclictest743-21snmpd23:21:292
130169966,0cyclictest743-21snmpd20:12:192
130169966,0cyclictest743-21snmpd19:41:182
130169966,0cyclictest741-21lldpd00:23:482
130169965,1cyclictest741-21lldpd19:37:442
130169965,1cyclictest522-21avahi-daemon20:39:422
130169965,1cyclictest506-21systemd-resolve19:28:412
130169964,2cyclictest743-21snmpd20:28:162
130169964,2cyclictest743-21snmpd20:03:032
130169964,2cyclictest743-21snmpd00:16:062
130169962,3cyclictest244-20systemd-journal20:15:112
130169962,3cyclictest17560-21memory00:35:142
130169961,5cyclictest557-21NetworkManager21:00:422
130069966,0cyclictest743-21snmpd22:37:560
130069966,0cyclictest741-21lldpd20:59:070
130069966,0cyclictest522-21avahi-daemon20:37:340
130069965,1cyclictest522-21avahi-daemon19:41:530
130069965,1cyclictest32654-21unixbench_multi19:55:220
130069964,2cyclictest743-21snmpd22:57:300
130069964,2cyclictest743-21snmpd22:14:370
130069964,2cyclictest743-21snmpd21:45:160
130209955,0cyclictest741-21lldpd23:58:053
130209955,0cyclictest741-21lldpd21:00:553
130209953,2cyclictest743-21snmpd22:43:143
130209953,2cyclictest743-21snmpd22:07:283
130209953,2cyclictest717-21ntpd00:38:303
130209953,2cyclictest2420-21cups-browsed00:00:013
130209952,2cyclictest5359-21grep00:05:183
130209952,2cyclictest25954-21sed22:20:123
130209950,4cyclictest5829-21ntpq20:10:153
130169955,0cyclictest743-21snmpd23:03:272
130169954,1cyclictest743-21snmpd22:49:402
130169954,1cyclictest743-21snmpd20:07:362
130169954,1cyclictest743-21snmpd19:15:082
130169954,1cyclictest506-21systemd-resolve21:37:462
130169954,1cyclictest22089-21ntpq19:30:162
130169953,2cyclictest743-21snmpd23:30:282
130169953,2cyclictest743-21snmpd19:57:212
130169952,2cyclictest14245-21grep00:25:222
130169950,4cyclictest20260-21ntpq22:05:152
130069955,0cyclictest522-21avahi-daemon23:32:040
130069953,2cyclictest743-21snmpd23:39:520
130069953,2cyclictest743-21snmpd00:05:500
130069953,2cyclictest0-21swapper/022:52:090
130069952,3cyclictest717-21ntpd21:00:120
130069952,3cyclictest21450-21diskstats19:30:120
130069952,2cyclictest8191-21wc20:15:200
130069952,2cyclictest6349-21grep20:10:190
130069952,2cyclictest575-21rs:main0
130069952,2cyclictest575-21rs:main0
130069952,2cyclictest3936-21load21:25:140
130069952,2cyclictest28254-21cut22:25:150
130069952,2cyclictest19664-21smartctl19:25:140
130069952,2cyclictest10364-21sed20:20:190
130069951,4cyclictest557-21NetworkManager19:35:110
130069951,3cyclictest7474-21grep21:35:130
130069951,3cyclictest19548-21grep20:45:120
130209942,2cyclictest717-21ntpd22:15:093
130209942,2cyclictest717-21ntpd21:30:023
130209942,2cyclictest30807-21cat23:50:153
130209941,2cyclictest28056-21collect219:45:153
130209940,3cyclictest9622-21ntp_192.168.11400:15:153
130209940,3cyclictest747-21runrttasks00:30:123
130209940,3cyclictest15934-21ntpq19:15:153
130209940,3cyclictest11395-21perl20:25:123
130169943,1cyclictest421ktimers/221:25:132
130169942,2cyclictest743-21snmpd00:13:112
130169942,2cyclictest557-21NetworkManager20:59:052
130069942,2cyclictest743-21snmpd22:45:110
130069942,2cyclictest743-21snmpd20:25:590
130069941,3cyclictest557-21NetworkManager23:14:580
130069941,2cyclictest15626-21ls19:15:130
130069940,4cyclictest27069-21ntpq23:40:160
130209931,2cyclictest743-21snmpd21:10:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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