You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-31 - 13:13

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 Wed Dec 31, 2025 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1546521190,0sleep19950irq/345-484840021:17:511
811140,0rcu_preempt8083-21diskmemload21:43:151
811100,0rcu_preempt19963-1kworker/0:0H23:20:550
811090,0rcu_preempt3-21ksoftirqd/023:55:250
81970,0rcu_preempt19-21ksoftirqd/123:40:051
81960,0rcu_preempt13785-1kworker/1:1H23:46:121
81930,0rcu_preempt3-21ksoftirqd/021:44:560
108222910,0sleep19950irq/345-484840023:05:161
205402870,0sleep010050irq/346-484840020:06:330
205402870,0sleep010050irq/346-484840020:06:330
81860,0rcu_preempt19-21ksoftirqd/122:07:091
81830,0rcu_preempt8077-1kworker/1:1H21:48:031
81830,0rcu_preempt0-21swapper/121:28:591
81820,0rcu_preempt811-21rngd22:10:381
10050810,0irq/346-4848400111rcuc/022:30:060
9950780,0irq/345-4848400111rcuc/000:02:040
81770,0rcu_preempt54-21kswapd023:59:521
10050770,0irq/346-4848400111rcuc/022:51:200
10050770,0irq/346-4848400111rcuc/021:25:340
9950760,0irq/345-4848400111rcuc/000:26:440
9950760,0irq/345-4848400111rcuc/000:20:590
81760,0rcu_preempt19-21ksoftirqd/100:29:531
81750,0rcu_preempt3-21ksoftirqd/023:19:500
10050750,0irq/346-4848400111rcuc/021:24:320
81740,0rcu_preempt7251-21ssh22:23:570
81740,0rcu_preempt19-21ksoftirqd/100:05:061
10050740,0irq/346-484840041ktimersoftd/023:51:360
81730,0rcu_preempt54-21kswapd020:15:210
81730,0rcu_preempt19-21ksoftirqd/123:51:461
10050730,0irq/346-4848400111rcuc/000:14:000
9950720,0irq/345-4848400111rcuc/023:05:230
81720,0rcu_preempt8083-21diskmemload21:55:401
81720,0rcu_preempt3-21ksoftirqd/022:27:110
81720,0rcu_preempt3-21ksoftirqd/000:32:580
81720,0rcu_preempt19-21ksoftirqd/122:41:531
271212720,0sleep010050irq/346-484840020:26:520
81710,0rcu_preempt3-21ksoftirqd/000:16:190
81710,0rcu_preempt3-21ksoftirqd/000:16:190
9950700,0irq/345-484840041ktimersoftd/023:04:040
81700,0rcu_preempt3-21ksoftirqd/022:36:020
81700,0rcu_preempt3-21ksoftirqd/021:13:300
121599702,0cyclictest0-21swapper/023:40:240
10050700,0irq/346-484840041ktimersoftd/000:39:360
10050700,0irq/346-4848400111rcuc/021:39:570
9950690,0irq/345-484840041ktimersoftd/023:30:100
9950690,0irq/345-4848400111rcuc/023:35:300
9950690,0irq/345-4848400111rcuc/023:35:300
81690,0rcu_preempt3-21ksoftirqd/023:47:210
81690,0rcu_preempt3-21ksoftirqd/023:27:070
81690,0rcu_preempt3-21ksoftirqd/023:27:070
81690,0rcu_preempt3-21ksoftirqd/021:17:380
81690,0rcu_preempt19-21ksoftirqd/100:00:061
81680,0rcu_preempt3-21ksoftirqd/000:07:220
121599681,0cyclictest0-21swapper/023:11:010
10050680,0irq/346-4848400111rcuc/019:39:550
9950670,0irq/345-4848400111rcuc/021:38:270
81670,0rcu_preempt8083-21diskmemload00:35:081
81670,0rcu_preempt32489-21kworker/0:222:57:180
81670,0rcu_preempt3-21ksoftirqd/022:46:520
81670,0rcu_preempt3-21ksoftirqd/022:10:530
81670,0rcu_preempt3-21ksoftirqd/019:55:190
81670,0rcu_preempt3-21ksoftirqd/019:55:190
81670,0rcu_preempt19-21ksoftirqd/122:30:031
81670,0rcu_preempt19-21ksoftirqd/120:22:441
81660,0rcu_preempt19-21ksoftirqd/123:25:061
81660,0rcu_preempt19-21ksoftirqd/123:25:061
81660,0rcu_preempt19-21ksoftirqd/121:19:591
81660,0rcu_preempt19-21ksoftirqd/100:19:571
9950650,0irq/345-4848400111rcuc/022:08:270
81650,0rcu_preempt8083-21diskmemload00:13:291
81650,0rcu_preempt3857-1kworker/1:1H00:30:591
81650,0rcu_preempt3-21ksoftirqd/021:05:170
81650,0rcu_preempt3-21ksoftirqd/021:05:170
81650,0rcu_preempt3-21ksoftirqd/020:45:130
221982650,0sleep010050irq/346-484840020:11:490
9950640,0irq/345-4848400111rcuc/019:19:540
121599646,0cyclictest32764-21sh22:15:230
121599641,0cyclictest8145-1kworker/0:1H22:04:080
81630,0rcu_preempt19-21ksoftirqd/122:21:411
121599631,0cyclictest22237-1kworker/0:1H21:34:110
81620,0rcu_preempt23565-1kworker/1:1H22:19:531
81620,0rcu_preempt17396-21ping20:20:110
81620,0rcu_preempt0-21swapper/120:25:141
121599622,0cyclictest20960-1kworker/0:2H22:40:250
81610,0rcu_preempt0-21swapper/122:28:501
81600,0rcu_preempt54-21kswapd021:10:151
121599602,0cyclictest0-21swapper/019:50:220
81590,0rcu_preempt6176-1kworker/1:0H23:37:521
81590,0rcu_preempt6176-1kworker/1:0H23:37:521
81590,0rcu_preempt27557-21apt-get20:30:050
81590,0rcu_preempt19-21ksoftirqd/123:34:331
121599588,0cyclictest4493-21ping19:45:320
1215995822,0cyclictest8145-1kworker/0:1H21:50:480
81570,0rcu_preempt19-21ksoftirqd/120:00:251
121599573,0cyclictest4493-21ping19:25:030
81560,0rcu_preempt0-21swapper/122:46:581
121599566,0cyclictest0-21swapper/019:20:070
81550,0rcu_preempt19-21ksoftirqd/123:14:361
81550,0rcu_preempt19-21ksoftirqd/119:38:291
81550,0rcu_preempt19-21ksoftirqd/119:38:291
121599553,0cyclictest18016-21runrttasks20:00:120
121599552,0cyclictest9813-21http_loadtime19:35:140
121599552,0cyclictest9813-21http_loadtime19:35:140
81540,0rcu_preempt19-21ksoftirqd/123:15:211
81540,0rcu_preempt19-21ksoftirqd/122:56:121
81530,0rcu_preempt8083-21diskmemload21:55:280
81530,0rcu_preempt19-21ksoftirqd/119:31:401
121599523,0cyclictest4493-21ping19:34:520
121599522,0cyclictest0-21swapper/020:39:520
4350510,0irq/32-433000001568-21dropbear19:10:080
81500,0rcu_preempt3-21ksoftirqd/020:50:120
81500,0rcu_preempt3-21ksoftirqd/020:50:120
81500,0rcu_preempt19-21ksoftirqd/119:21:151
81500,0rcu_preempt0-21swapper/122:38:391
81490,0rcu_preempt32480-21kworker/1:323:01:431
81470,0rcu_preempt19-21ksoftirqd/121:32:301
81470,0rcu_preempt19-21ksoftirqd/120:15:331
81470,0rcu_preempt19-21ksoftirqd/120:10:031
81470,0rcu_preempt0-21swapper/100:17:591
81470,0rcu_preempt0-21swapper/100:17:591
81460,0rcu_preempt8083-21diskmemload21:37:381
81460,0rcu_preempt3-21ksoftirqd/021:00:200
81450,0rcu_preempt30838-21apt-get20:40:050
81450,0rcu_preempt19-21ksoftirqd/122:53:461
81440,0rcu_preempt19-21ksoftirqd/120:39:521
81440,0rcu_preempt19-21ksoftirqd/119:06:321
35032440,0sleep19950irq/345-484840020:55:081
9950430,0irq/345-484840030318-1kworker/0:0H19:09:520
81430,0rcu_preempt19-21ksoftirqd/119:39:571
81420,0rcu_preempt3-21ksoftirqd/020:58:320
81420,0rcu_preempt19-21ksoftirqd/123:20:011
81420,0rcu_preempt19-21ksoftirqd/120:05:131
81420,0rcu_preempt19-21ksoftirqd/120:05:131
81410,0rcu_preempt3695-1kworker/1:3H21:52:081
81410,0rcu_preempt19-21ksoftirqd/120:32:321
81410,0rcu_preempt19-21ksoftirqd/119:45:071
81400,0rcu_preempt19-21ksoftirqd/122:00:151
81400,0rcu_preempt19-21ksoftirqd/119:25:251
81400,0rcu_preempt19-21ksoftirqd/119:10:111
323412400,0sleep19950irq/345-484840020:44:521
81390,0rcu_preempt19-21ksoftirqd/119:50:211
81390,0rcu_preempt1427-21runrttasks20:48:061
81380,0rcu_preempt19-21ksoftirqd/121:05:591
81380,0rcu_preempt19-21ksoftirqd/121:05:591
81380,0rcu_preempt19-21ksoftirqd/119:55:171
81380,0rcu_preempt19-21ksoftirqd/119:55:171
81370,0rcu_preempt19-21ksoftirqd/121:00:031
81370,0rcu_preempt19-21ksoftirqd/120:53:021
81370,0rcu_preempt19-21ksoftirqd/120:53:021
81370,0rcu_preempt19-21ksoftirqd/119:15:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional