You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-02 - 01:48

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 Thu Jan 01, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62582920,0sleep010050irq/346-484840008:18:440
286212900,0chrt9950irq/345-484840011:40:570
286212900,0chrt9950irq/345-484840011:40:570
201212810,0sleep19950irq/345-484840009:00:131
81780,0rcu_preempt22784-21diskmemload09:51:351
81740,0rcu_preempt3-21ksoftirqd/010:46:030
81740,0rcu_preempt3-21ksoftirqd/010:46:030
81740,0rcu_preempt19-21ksoftirqd/111:25:241
81730,0rcu_preempt22784-21diskmemload10:20:071
81660,0rcu_preempt3-21ksoftirqd/012:03:500
81660,0rcu_preempt0-21swapper/009:46:160
81650,0rcu_preempt3-21ksoftirqd/012:16:510
81640,0rcu_preempt3-21ksoftirqd/010:01:180
79212640,0sleep010050irq/346-484840008:23:490
81630,0rcu_preempt0-21swapper/012:20:220
81620,0rcu_preempt4078-21apt-get09:25:020
81620,0rcu_preempt3-21ksoftirqd/012:35:040
81620,0rcu_preempt3-21ksoftirqd/012:35:040
81620,0rcu_preempt3-21ksoftirqd/012:13:530
81620,0rcu_preempt19-21ksoftirqd/110:46:151
81620,0rcu_preempt19-21ksoftirqd/110:46:151
10050620,0irq/346-48484002304-21kworker/0:109:33:240
81610,0rcu_preempt811-21rngd10:10:240
81610,0rcu_preempt3-21ksoftirqd/011:38:170
81610,0rcu_preempt3-21ksoftirqd/011:38:170
81610,0rcu_preempt27316-21latency_hist09:14:520
81610,0rcu_preempt26874-21kworker/0:209:24:340
81600,0rcu_preempt3-21ksoftirqd/010:05:020
81600,0rcu_preempt22337-21kworker/0:312:29:490
10050600,0irq/346-484840054-21kswapd008:10:151
10050600,0irq/346-48484000-21swapper/009:39:520
95962580,0sleep010050irq/346-484840008:29:150
81580,0rcu_preempt3-21ksoftirqd/012:05:020
81580,0rcu_preempt3-21ksoftirqd/011:52:240
81580,0rcu_preempt3-21ksoftirqd/011:20:020
81580,0rcu_preempt3-21ksoftirqd/010:27:590
81580,0rcu_preempt3-21ksoftirqd/010:20:180
81580,0rcu_preempt3-21ksoftirqd/009:52:070
81580,0rcu_preempt22784-21diskmemload09:11:171
81580,0rcu_preempt10999-21kworker/0:111:30:310
81580,0rcu_preempt0-21swapper/011:16:260
81570,0rcu_preempt3-21ksoftirqd/011:46:400
81570,0rcu_preempt3-21ksoftirqd/009:05:120
81570,0rcu_preempt2810-21sed10:35:220
81570,0rcu_preempt22784-21diskmemload10:32:421
10050570,0irq/346-48484007223-21ssh12:30:230
81560,0rcu_preempt3-21ksoftirqd/011:58:170
81560,0rcu_preempt3-21ksoftirqd/010:40:030
81560,0rcu_preempt3-21ksoftirqd/009:35:560
81560,0rcu_preempt3-21ksoftirqd/009:16:290
81560,0rcu_preempt19090-21ping07:50:020
81550,0rcu_preempt3-21ksoftirqd/011:26:310
81550,0rcu_preempt3-21ksoftirqd/011:02:480
81550,0rcu_preempt3-21ksoftirqd/010:30:260
81550,0rcu_preempt22784-21diskmemload10:50:280
316322550,0sleep09950irq/345-484840011:08:220
113562550,0sleep19950irq/345-484840009:32:421
10050550,0irq/346-484840054-21kswapd012:31:101
10050550,0irq/346-484840054-21kswapd011:40:071
10050550,0irq/346-484840054-21kswapd011:40:071
81540,0rcu_preempt3-21ksoftirqd/011:10:020
81530,0rcu_preempt3-21ksoftirqd/009:56:580
81530,0rcu_preempt19-21ksoftirqd/112:36:351
81530,0rcu_preempt19-21ksoftirqd/112:36:351
81530,0rcu_preempt19-21ksoftirqd/108:39:511
10050530,0irq/346-484840011658-1kworker/1:0H09:36:201
81520,0rcu_preempt3-21ksoftirqd/008:40:020
81520,0rcu_preempt3-21ksoftirqd/007:20:020
81520,0rcu_preempt19-21ksoftirqd/112:11:151
81520,0rcu_preempt19090-21ping07:35:030
10050520,0irq/346-48484007605-21ssh10:05:001
10050520,0irq/346-484840019304-21ssh10:17:511
81510,0rcu_preempt3-21ksoftirqd/009:00:230
81510,0rcu_preempt19-21ksoftirqd/109:39:531
81510,0rcu_preempt1123-21kworker/0:208:05:040
81510,0rcu_preempt1123-21kworker/0:208:05:040
12332510,0sleep010050irq/346-484840008:02:360
10050510,0irq/346-484840021778-1kworker/0:1H10:58:430
10050510,0irq/346-484840018760-1kworker/1:2H07:19:521
81500,0rcu_preempt3-21ksoftirqd/010:15:040
81500,0rcu_preempt3-21ksoftirqd/008:35:160
81500,0rcu_preempt3-21ksoftirqd/008:10:110
81500,0rcu_preempt19-21ksoftirqd/112:22:161
81500,0rcu_preempt19-21ksoftirqd/111:51:321
4350500,0irq/32-4330000016153-21dropbear07:10:050
10050500,0irq/346-484840031935-1kworker/1:2H10:35:091
10050500,0irq/346-48484002695-1kworker/1:1H11:20:101
10050500,0irq/346-484840021777-1kworker/1:1H11:00:061
10050500,0irq/346-484840011568-1kworker/1:3H11:32:151
81490,0rcu_preempt3-21ksoftirqd/007:55:070
81490,0rcu_preempt19-21ksoftirqd/111:38:171
81490,0rcu_preempt19-21ksoftirqd/111:38:171
81490,0rcu_preempt19-21ksoftirqd/108:20:031
10050490,0irq/346-48484003657-21ssh11:13:211
10050490,0irq/346-484840029558-1kworker/1:0H09:19:531
10050490,0irq/346-48484000-21swapper/007:40:220
81480,0rcu_preempt3-21ksoftirqd/008:30:260
81480,0rcu_preempt23871-21kworker/0:007:45:130
10050480,0irq/346-484840018760-1kworker/1:2H07:29:501
10050480,0irq/346-484840013088-1kworker/1:3H12:06:371
10050480,0irq/346-48484000-21swapper/110:39:571
81470,0rcu_preempt3-21ksoftirqd/007:15:190
81470,0rcu_preempt3-21ksoftirqd/007:05:100
81470,0rcu_preempt10947-21kworker/0:108:48:030
10050470,0irq/346-48484002695-1kworker/1:1H11:15:191
10050470,0irq/346-48484002197-21idleruntime12:25:121
10050470,0irq/346-484840011658-1kworker/1:0H09:45:191
9950460,0irq/345-4848400811-21rngd11:59:541
9950460,0irq/345-4848400811-21rngd11:06:231
10050460,0irq/346-484840032195-21cron07:59:511
10050460,0irq/346-484840027491-1kworker/1:1H10:51:411
10050460,0irq/346-484840015815-21cyclictest09:15:381
10050460,0irq/346-484840010098-1kworker/1:2H11:57:491
9950450,0irq/345-484840023757-21latency_hist10:59:521
9950450,0irq/345-48484000-21swapper/107:39:531
9950450,0irq/345-48484000-21swapper/107:19:581
81450,0rcu_preempt3-21ksoftirqd/008:55:130
1581699456,0cyclictest19090-21ping07:25:100
81440,0rcu_preempt25326-21munin-node1
81440,0rcu_preempt19-21ksoftirqd/109:55:021
81440,0rcu_preempt19-21ksoftirqd/108:15:121
81440,0rcu_preempt19-21ksoftirqd/107:45:121
10050440,0irq/346-4848400569-1kworker/1:2H11:46:221
81430,0rcu_preempt0-21swapper/008:50:030
10050430,0irq/346-484840054-21kswapd007:35:261
10050430,0irq/346-48484000-21swapper/109:26:231
9950420,0irq/345-48484000-21swapper/108:30:091
81420,0rcu_preempt19-21ksoftirqd/107:30:061
10050420,0irq/346-48484001427-21runrttasks10:10:561
9950410,0irq/345-48484000-21swapper/112:18:211
81410,0rcu_preempt1384-21munin-node07:05:151
10050400,0irq/346-48484001090-21ping08:25:171
10050400,0irq/346-48484000-21swapper/109:59:571
81390,0rcu_preempt19-21ksoftirqd/107:50:101
10050390,0irq/346-48484001090-21ping08:05:011
10050390,0irq/346-48484001090-21ping08:05:011
81380,0rcu_preempt23871-21kworker/0:007:34:300
81380,0rcu_preempt19-21ksoftirqd/108:40:091
10050380,0irq/346-48484009359-1kworker/1:0H08:50:161
10050380,0irq/346-484840032363-1kworker/1:2H08:00:201
81350,0rcu_preempt19-21ksoftirqd/108:45:191
10050350,0irq/346-48484000-21swapper/107:14:511
81340,0rcu_preempt19-21ksoftirqd/109:04:521
81340,0rcu_preempt19-21ksoftirqd/108:55:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional