You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-22 - 13:20

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #a, slot #5

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  TI
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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackaslot5s.osadl.org (updated Mon Dec 22, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81950,0rcu_preempt811-21rngd23:42:361
35652850,0sleep09950irq/345-484840021:22:510
31252780,0sleep010050irq/346-484840020:05:490
81750,0rcu_preempt19-21ksoftirqd/100:35:311
13250740,0irq/301-48020000-21swapper/021:45:160
81730,0rcu_preempt19-21ksoftirqd/119:40:011
81690,0rcu_preempt31499-1kworker/0:1H21:55:550
81660,0rcu_preempt3-21ksoftirqd/022:52:210
81660,0rcu_preempt3-21ksoftirqd/022:52:210
81650,0rcu_preempt13858-1kworker/0:1H22:55:320
81600,0rcu_preempt3795-1kworker/1:0H22:02:001
81600,0rcu_preempt3-21ksoftirqd/022:25:130
10050590,0irq/346-484840023437-21apt-get21:10:130
10050590,0irq/346-484840023437-21apt-get21:10:130
81570,0rcu_preempt3-21ksoftirqd/022:10:130
81570,0rcu_preempt3-21ksoftirqd/022:10:130
81570,0rcu_preempt3-21ksoftirqd/021:35:160
81570,0rcu_preempt3-21ksoftirqd/020:25:110
10050570,0irq/346-4848400811-21rngd00:10:100
10050570,0irq/346-4848400811-21rngd00:10:100
81560,0rcu_preempt3-21ksoftirqd/022:20:130
81560,0rcu_preempt25663-21kworker/0:122:05:130
81550,0rcu_preempt3-21ksoftirqd/022:35:210
81540,0rcu_preempt3-21ksoftirqd/023:15:340
81540,0rcu_preempt3-21ksoftirqd/021:30:130
16912540,0sleep010050irq/346-484840020:02:550
10050540,0irq/346-484840032010-1kworker/1:3H00:17:161
81530,0rcu_preempt3-21ksoftirqd/023:50:130
81530,0rcu_preempt3-21ksoftirqd/023:45:150
81530,0rcu_preempt3-21ksoftirqd/021:25:140
81530,0rcu_preempt3-21ksoftirqd/000:00:140
10050530,0irq/346-4848400811-21rngd23:56:190
9950520,0irq/345-48484000-21swapper/121:37:431
81520,0rcu_preempt3-21ksoftirqd/023:40:130
81520,0rcu_preempt3-21ksoftirqd/023:25:120
81520,0rcu_preempt3-21ksoftirqd/022:00:110
81520,0rcu_preempt25792-1kworker/0:0H19:40:040
81520,0rcu_preempt17900-1kworker/0:0H19:25:320
10050520,0irq/346-484840031848-1kworker/1:1H23:08:511
81510,0rcu_preempt9560-21php-cgi23:12:240
81510,0rcu_preempt3-21ksoftirqd/021:50:300
81510,0rcu_preempt19724-21kworker/0:023:23:370
81510,0rcu_preempt19-21ksoftirqd/123:00:011
18882510,0sleep19950irq/345-484840000:14:391
18882510,0sleep19950irq/345-484840000:14:391
120282510,0sleep04230-1kworker/0:0H00:25:220
10050510,0irq/346-48484009818-21ssh23:47:311
10050510,0irq/346-4848400811-21rngd23:37:370
10050510,0irq/346-484840024438-21ssh21:45:111
10050510,0irq/346-484840016436-21ssh23:55:131
10050510,0irq/346-484840012661-21ssh21:32:131
9950500,0irq/345-4848400811-21rngd21:28:051
81500,0rcu_preempt9338-21kworker/0:000:31:540
81500,0rcu_preempt23009-21kworker/0:200:38:200
36662500,0sleep010050irq/346-484840020:10:080
10050500,0irq/346-4848400811-21rngd23:34:350
10050500,0irq/346-484840030865-21ssh21:51:081
10050500,0irq/346-484840027890-21ssh00:07:031
10050500,0irq/346-484840027886-21ssh21:14:591
10050500,0irq/346-484840027886-21ssh21:14:591
10050500,0irq/346-484840027399-1kworker/0:1H00:07:310
10050500,0irq/346-484840027178-1kworker/1:0H23:12:091
10050500,0irq/346-484840023830-21ssh22:53:031
10050500,0irq/346-484840023830-21ssh22:53:031
10050500,0irq/346-484840021234-1kworker/0:4H21:05:310
10050500,0irq/346-484840020121-21ssh00:34:171
10050500,0irq/346-484840019-21ksoftirqd/122:26:171
10050500,0irq/346-484840012025-1kworker/1:0H23:51:181
10050500,0irq/346-484840011194-21ssh00:24:411
10050500,0irq/346-484840010308-21ssh22:38:441
81490,0rcu_preempt3-21ksoftirqd/022:30:120
81490,0rcu_preempt3-21ksoftirqd/020:50:020
10050490,0irq/346-48484003778-21ssh21:23:071
10050490,0irq/346-484840030817-21ssh23:35:241
10050490,0irq/346-484840029707-21ssh23:34:231
10050490,0irq/346-484840019584-1kworker/0:3H21:20:010
10050490,0irq/346-484840019-21ksoftirqd/123:15:181
10050490,0irq/346-484840015327-21ssh00:29:001
10050490,0irq/346-484840014754-21ssh22:43:251
81480,0rcu_preempt811-21rngd00:16:460
81480,0rcu_preempt3-21ksoftirqd/019:55:230
81480,0rcu_preempt3-21ksoftirqd/000:20:200
81480,0rcu_preempt28385-21kworker/1:021:15:301
81480,0rcu_preempt20891-1kworker/1:2H19:40:251
81480,0rcu_preempt19550-21ping19:30:460
81480,0rcu_preempt19-21ksoftirqd/123:24:271
4350480,0irq/32-4330000016383-21dropbear22:45:160
16283994810,0cyclictest0-21swapper/022:18:120
10050480,0irq/346-4848400766-1kworker/1:1H21:40:031
10050480,0irq/346-484840019745-21ssh22:14:371
10050480,0irq/346-484840019745-21ssh22:14:371
10050480,0irq/346-484840011051-1kworker/0:0H19:05:240
81470,0rcu_preempt3-21ksoftirqd/023:00:190
81470,0rcu_preempt3-21ksoftirqd/022:44:330
81470,0rcu_preempt19-21ksoftirqd/122:10:001
81470,0rcu_preempt19-21ksoftirqd/121:01:161
10050470,0irq/346-484840026733-1kworker/1:3H22:22:441
10050470,0irq/346-48484000-21swapper/023:05:230
81460,0rcu_preempt19-21ksoftirqd/121:55:211
81460,0rcu_preempt15712-21meminfo20:45:250
204352460,0sleep010050irq/346-484840019:20:350
18872460,0sleep19950irq/345-484840023:04:411
10050460,0irq/346-484840018184-1kworker/1:2H00:00:031
10050460,0irq/346-48484000-21swapper/021:42:000
81450,0rcu_preempt32456-21ping20:15:340
81450,0rcu_preempt3-21ksoftirqd/019:10:280
1628399451,0cyclictest27448-1kworker/0:4H19:45:380
10050450,0irq/346-48484003-21ksoftirqd/019:35:120
81440,0rcu_preempt19-21ksoftirqd/122:30:051
81440,0rcu_preempt18613-21diskstats20:55:190
81440,0rcu_preempt18060-21apt-get19:15:130
81430,0rcu_preempt3-21ksoftirqd/021:00:290
81430,0rcu_preempt19-21ksoftirqd/119:45:261
10050430,0irq/346-484840030786-21dropbear19:52:400
10050430,0irq/346-484840010083-1kworker/0:2H20:30:190
10050430,0irq/346-48484000-21swapper/020:20:020
9950420,0irq/345-48484000-21swapper/123:25:271
81420,0rcu_preempt28385-21kworker/1:020:48:121
81420,0rcu_preempt19-21ksoftirqd/122:49:131
81420,0rcu_preempt19-21ksoftirqd/120:16:141
81420,0rcu_preempt19-21ksoftirqd/120:11:071
81420,0rcu_preempt19-21ksoftirqd/119:25:321
81420,0rcu_preempt19-21ksoftirqd/119:20:221
10050420,0irq/346-484840013038-1kworker/0:1H20:38:590
81410,0rcu_preempt19-21ksoftirqd/122:17:251
81410,0rcu_preempt19-21ksoftirqd/119:30:151
10050410,0irq/346-484840010083-1kworker/0:2H20:40:240
81400,0rcu_preempt19-21ksoftirqd/120:57:521
81400,0rcu_preempt19-21ksoftirqd/120:44:051
81400,0rcu_preempt19-21ksoftirqd/120:09:571
81400,0rcu_preempt19-21ksoftirqd/120:04:241
81400,0rcu_preempt19-21ksoftirqd/119:15:211
81400,0rcu_preempt19-21ksoftirqd/119:12:541
81390,0rcu_preempt19-21ksoftirqd/121:09:331
81390,0rcu_preempt19-21ksoftirqd/120:51:351
81390,0rcu_preempt19-21ksoftirqd/120:26:481
81390,0rcu_preempt19-21ksoftirqd/120:20:051
81390,0rcu_preempt19-21ksoftirqd/119:55:211
81390,0rcu_preempt19-21ksoftirqd/119:52:091
81380,0rcu_preempt19-21ksoftirqd/120:30:201
81370,0rcu_preempt19-21ksoftirqd/120:35:311
81360,0rcu_preempt19-21ksoftirqd/119:05:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional