You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-21 - 09:13

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 Sun Dec 21, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811450,0rcu_preempt19-21ksoftirqd/123:06:011
811430,0rcu_preempt19-21ksoftirqd/122:32:301
811410,0rcu_preempt25096-21diskmemload22:43:231
811410,0rcu_preempt19-21ksoftirqd/122:18:411
811410,0rcu_preempt19-21ksoftirqd/121:48:271
811400,0rcu_preempt19-21ksoftirqd/123:23:411
811380,0rcu_preempt19-21ksoftirqd/121:43:561
811350,0rcu_preempt19-21ksoftirqd/123:18:381
811330,0rcu_preempt19-21ksoftirqd/121:15:081
811280,0rcu_preempt19-21ksoftirqd/122:09:571
811270,0rcu_preempt19-21ksoftirqd/123:52:001
811260,0rcu_preempt26903-1kworker/1:1H23:35:001
811250,0rcu_preempt19-21ksoftirqd/123:10:191
811220,0rcu_preempt19-21ksoftirqd/123:58:291
811210,0rcu_preempt19-21ksoftirqd/100:33:371
811140,0rcu_preempt19-21ksoftirqd/123:42:571
811110,0rcu_preempt19-21ksoftirqd/100:00:261
811070,0rcu_preempt19-21ksoftirqd/120:10:211
811040,0rcu_preempt19-21ksoftirqd/100:35:311
811010,0rcu_preempt19-21ksoftirqd/121:28:461
811010,0rcu_preempt19-21ksoftirqd/120:15:311
81990,0rcu_preempt19-21ksoftirqd/122:01:011
81990,0rcu_preempt19-21ksoftirqd/120:04:531
81980,0rcu_preempt17756-21kworker/1:022:13:481
81980,0rcu_preempt17756-21kworker/1:022:13:481
81920,0rcu_preempt19-21ksoftirqd/120:06:311
81920,0rcu_preempt19-21ksoftirqd/119:50:241
81920,0rcu_preempt19-21ksoftirqd/119:50:241
81900,0rcu_preempt19-21ksoftirqd/120:50:271
81890,0rcu_preempt25096-21diskmemload22:52:211
81890,0rcu_preempt19-21ksoftirqd/122:47:091
81880,0rcu_preempt1965-21ping20:20:191
81870,0rcu_preempt19-21ksoftirqd/120:45:261
81840,0rcu_preempt28933-21ssh22:24:021
81820,0rcu_preempt19-21ksoftirqd/123:00:411
81820,0rcu_preempt19-21ksoftirqd/122:39:071
81810,0rcu_preempt25096-21diskmemload00:05:011
81810,0rcu_preempt19-21ksoftirqd/100:20:041
81810,0rcu_preempt19-21ksoftirqd/100:10:231
81800,0rcu_preempt25096-21diskmemload00:28:251
81800,0rcu_preempt25096-21diskmemload00:28:251
81800,0rcu_preempt21386-21ping19:20:231
81800,0rcu_preempt19-21ksoftirqd/123:29:401
10050800,0irq/346-4848400111rcuc/021:48:100
81790,0rcu_preempt19-21ksoftirqd/100:18:101
81770,0rcu_preempt8651-21kworker/1:121:55:211
81760,0rcu_preempt19-21ksoftirqd/122:57:031
81760,0rcu_preempt19-21ksoftirqd/121:37:361
81760,0rcu_preempt19-21ksoftirqd/121:37:361
81760,0rcu_preempt19-21ksoftirqd/121:30:131
81760,0rcu_preempt19-21ksoftirqd/121:30:131
81760,0rcu_preempt19-21ksoftirqd/120:35:271
81750,0rcu_preempt26093-21kworker/1:019:45:241
81750,0rcu_preempt19-21ksoftirqd/119:29:591
81740,0rcu_preempt19-21ksoftirqd/121:21:281
81740,0rcu_preempt19-21ksoftirqd/119:55:141
81730,0rcu_preempt19-21ksoftirqd/119:35:201
81720,0rcu_preempt19-21ksoftirqd/121:51:081
10050720,0irq/346-484840041ktimersoftd/019:40:250
81710,0rcu_preempt19-21ksoftirqd/123:35:041
81680,0rcu_preempt19-21ksoftirqd/121:10:311
81670,0rcu_preempt18106-21cyclictest23:49:311
81670,0rcu_preempt18106-21cyclictest20:30:271
81620,0rcu_preempt19-21ksoftirqd/119:40:041
1810799629,0cyclictest243250kworker/0:0H00:17:110
1810799624,0cyclictest9749-1kworker/0:2H00:27:130
1810799624,0cyclictest9749-1kworker/0:2H00:27:130
1810799622,0cyclictest10564-21munin-node0
1810799603,0cyclictest0-21swapper/021:20:350
1810799603,0cyclictest0-21swapper/021:19:230
1810799603,0cyclictest0-21swapper/020:13:320
1810799602,0cyclictest21386-21ping19:31:520
1810799602,0cyclictest21386-21ping19:31:520
18107995910,0cyclictest26732-21chrt19:35:210
1810799588,0cyclictest4524-1kworker/0:2H22:34:270
1810799588,0cyclictest0-21swapper/022:40:170
1810799582,0cyclictest21386-21ping19:45:110
1810799582,0cyclictest21386-21ping19:20:120
18107995811,0cyclictest0-21swapper/023:30:180
1810799581,0cyclictest0-21swapper/000:12:370
1810799576,0cyclictest0-21swapper/023:23:530
1810799572,0cyclictest0-21swapper/023:48:260
81560,0rcu_preempt19-21ksoftirqd/120:25:311
1810799569,0cyclictest0-21swapper/021:56:430
1810799562,0cyclictest0-21swapper/021:54:410
18107995614,0cyclictest0-21swapper/021:10:100
81550,0rcu_preempt19-21ksoftirqd/119:15:121
1810799559,0cyclictest21386-21ping19:25:140
1810799542,0cyclictest0-21swapper/022:09:460
1810799542,0cyclictest0-21swapper/021:43:210
81520,0rcu_preempt3-21ksoftirqd/019:05:180
81520,0rcu_preempt19-21ksoftirqd/120:55:221
81520,0rcu_preempt19-21ksoftirqd/120:55:221
1810799522,0cyclictest21379-21latency_hist19:20:000
1810799503,0cyclictest1260-21lldpd23:13:430
10050500,0irq/346-48484000-21swapper/022:55:140
81490,0rcu_preempt19-21ksoftirqd/122:25:271
81470,0rcu_preempt3-21ksoftirqd/023:26:200
81470,0rcu_preempt25096-21diskmemload23:09:210
81470,0rcu_preempt25096-21diskmemload22:22:470
10050470,0irq/346-484840021161-1kworker/0:3H00:05:160
10050470,0irq/346-484840017201-21sed22:10:300
10050470,0irq/346-484840017201-21sed22:10:300
9950460,0irq/345-484840019951-21ssh21:39:150
9950460,0irq/345-484840019951-21ssh21:39:150
81460,0rcu_preempt25096-21diskmemload23:15:500
81460,0rcu_preempt25096-21diskmemload21:34:570
81460,0rcu_preempt25096-21diskmemload21:34:570
81460,0rcu_preempt25096-21diskmemload00:34:490
81450,0rcu_preempt3-21ksoftirqd/020:17:120
1810799451,0cyclictest0-21swapper/020:21:550
10050450,0irq/346-484840017285-1kworker/0:1H23:59:420
10050450,0irq/346-48484000-21swapper/021:00:000
10050450,0irq/346-48484000-21swapper/021:00:000
81440,0rcu_preempt3-21ksoftirqd/020:05:040
81440,0rcu_preempt25096-21diskmemload23:39:080
81440,0rcu_preempt25096-21diskmemload23:02:340
81440,0rcu_preempt16002-21munin-node0
211652440,0chrt9950irq/345-484840000:01:300
10050440,0irq/346-48484007065-21cut22:00:160
10050440,0irq/346-48484000-21swapper/000:35:500
81430,0rcu_preempt25096-21diskmemload22:38:480
81430,0rcu_preempt19-21ksoftirqd/121:00:231
81420,0rcu_preempt8651-21kworker/1:120:40:111
81420,0rcu_preempt3799-21kworker/0:100:21:230
81420,0rcu_preempt19-21ksoftirqd/119:30:241
81420,0rcu_preempt19-21ksoftirqd/119:30:241
1810799421,0cyclictest26904-1kworker/0:0H23:40:250
10050420,0irq/346-484840016688-21dropbear20:42:560
81410,0rcu_preempt25096-21diskmemload22:25:280
10050410,0irq/346-48484000-21swapper/019:55:240
81400,0rcu_preempt3-21ksoftirqd/022:50:450
81400,0rcu_preempt25096-21diskmemload22:18:410
81400,0rcu_preempt10931-21ssh21:29:340
81390,0rcu_preempt3-21ksoftirqd/021:06:070
81390,0rcu_preempt3-21ksoftirqd/019:54:460
81390,0rcu_preempt3-21ksoftirqd/019:54:460
81390,0rcu_preempt19-21ksoftirqd/119:10:271
81380,0rcu_preempt3-21ksoftirqd/021:01:480
81380,0rcu_preempt14787-1kworker/1:2H19:06:551
10050380,0irq/346-48484000-21swapper/020:35:270
81370,0rcu_preempt3-21ksoftirqd/020:46:490
81370,0rcu_preempt3-21ksoftirqd/020:33:020
81370,0rcu_preempt3-21ksoftirqd/019:13:370
1810799371,0cyclictest1965-21ping20:25:150
81350,0rcu_preempt3-21ksoftirqd/020:52:480
81350,0rcu_preempt19-21ksoftirqd/121:05:241
1810799356,0cyclictest9950irq/345-484840020:00:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional