You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-09 - 21:53

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 #9, slot #4

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
  
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 all highest latencies:
System rack9slot4s (updated Thu Jul 09, 2026 12:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209829911961175,16cyclictest81rcu_preempt07:25:011
209819911341104,20cyclictest0-21swapper/007:25:030
195442633586,31sleep00-21swapper/007:20:170
2098199205197,5cyclictest25416-21apt-get07:35:000
2098299151143,6cyclictest0-21swapper/107:25:041
56552450,5sleep02098199cyclictest12:25:120
65302430,8sleep02098199cyclictest09:35:120
2098199421,25cyclictest25911-21fschecks_time09:00:160
2098199358,14cyclictest29305-21ntp_states12:00:220
22032341,9sleep00-21swapper/007:56:200
20982993413,7cyclictest6837-21runrttasks12:25:381
20981993424,6cyclictest19327-21wc10:10:010
2098299332,4cyclictest81rcu_preempt10:10:281
20982993316,14cyclictest22-21ksoftirqd/108:15:441
20981993318,7cyclictest15961-21diskstats10:00:150
2098199331,20cyclictest13441-21taskset09:53:200
192902331,28sleep011564-21packagekitd08:41:390
298642321,27sleep129873-21memory09:10:221
2098199327,11cyclictest31415-21/usr/sbin/munin07:50:230
2098199321,16cyclictest3286-21runrttasks07:35:310
20981993211,16cyclictest263522chrt11:54:170
31172310,4sleep0111rcuc/008:00:130
243722311,5sleep10-21swapper/111:48:131
2098299316,4cyclictest81rcu_preempt12:54:331
2098299313,12cyclictest6504-21irqstats11:00:201
2098299311,5cyclictest81rcu_preempt09:24:381
2098299311,4cyclictest81rcu_preempt09:38:001
2098199315,4cyclictest81rcu_preempt12:05:150
2098199311,26cyclictest2083-21aten_r4power_po10:50:120
20981993112,5cyclictest9664-21aten_r4power_cu11:10:120
20981993112,5cyclictest9664-21aten_r4power_cu11:10:110
180132311,26sleep118179-21df08:40:121
327462301,5sleep10-21swapper/107:51:041
301072301,5sleep00-21swapper/010:35:340
241412301,5sleep00-21swapper/011:45:480
240602301,25sleep124155-21hddtemp_smartct07:30:161
2098299305,4cyclictest81rcu_preempt12:48:231
2098299305,4cyclictest81rcu_preempt12:42:531
2098299305,4cyclictest81rcu_preempt09:41:101
2098299305,4cyclictest81rcu_preempt08:12:511
20982993019,6cyclictest20166-21fschecks_count08:45:161
2098299301,4cyclictest81rcu_preempt11:17:311
2098199302,14cyclictest3286-21runrttasks12:50:100
2098199301,18cyclictest29299-21latency_hist07:45:000
20981993011,6cyclictest20602-21ntp_states08:45:250
20981993010,6cyclictest27397-21/usr/sbin/munin11:55:210
94392291,4sleep00-21swapper/009:40:440
58952291,5sleep00-21swapper/009:33:060
287062291,5sleep10-21swapper/109:06:501
210852291,5sleep00-21swapper/010:14:330
2098299295,7cyclictest0-21swapper/111:40:121
2098299295,4cyclictest81rcu_preempt12:23:381
2098299294,4cyclictest81rcu_preempt12:06:201
2098299292,10cyclictest27226-21df10:30:121
2098299291,7cyclictest17538-21/usr/sbin/munin10:05:201
2098299291,7cyclictest0-21swapper/109:17:501
20982992915,8cyclictest10255-21iostat_ios11:10:211
20982992915,8cyclictest10255-21iostat_ios11:10:211
2098299291,4cyclictest81rcu_preempt10:23:251
2098199292,4cyclictest81rcu_preempt09:18:020
2098199292,14cyclictest24548-21python08:55:270
2098199292,14cyclictest14284-21/usr/sbin/munin11:20:240
20981992911,5cyclictest30270-21timerandwakeup09:10:290
2098199291,15cyclictest21498-21/usr/sbin/munin11:40:180
20981992911,5cyclictest11778-21expr11:15:130
20981992910,7cyclictest0-21swapper/012:47:300
20981992910,6cyclictest7630-21munin-run11:05:000
20981992910,6cyclictest15846-21munin-run08:35:010
206602291,5sleep10-21swapper/111:38:551
114282291,5sleep00-21swapper/009:46:560
10682291,5sleep00-21swapper/012:10:410
99262281,5sleep00-21swapper/008:17:150
92822281,5sleep00-21swapper/011:07:520
89542281,5sleep10-21swapper/112:33:101
89542281,5sleep10-21swapper/112:33:101
66482281,23sleep06785-21tr08:10:110
59112281,5sleep10-21swapper/109:33:171
41282281,5sleep10-21swapper/108:00:331
321312281,5sleep10-21swapper/110:41:551
302352281,5sleep10-21swapper/110:36:571
288492281,5sleep10-21swapper/107:41:321
269002281,5sleep10-21swapper/107:35:571
267302281,5sleep10-21swapper/109:00:461
227042281,5sleep10-21swapper/110:16:541
227042281,5sleep10-21swapper/110:16:541
2098299289,6cyclictest5719-21cron11:00:011
2098299285,4cyclictest81rcu_preempt10:46:071
2098299284,4cyclictest81rcu_preempt08:52:171
2098299284,4cyclictest81rcu_preempt07:45:031
2098299283,9cyclictest11031-21munin-run12:40:001
20982992819,6cyclictest23605-21aten_r4power_po08:55:101
2098299281,4cyclictest81rcu_preempt08:23:361
20982992812,4cyclictest40250irq/92-i91510:25:231
2098199282,4cyclictest81rcu_preempt08:28:530
2098199282,13cyclictest10964-21iostat08:20:190
20981992811,5cyclictest81rcu_preempt11:35:000
2098199281,15cyclictest0-21swapper/011:36:000
2098199281,14cyclictest28321-21python09:05:280
2098199281,14cyclictest16765-21sshd11:27:240
2098199281,14cyclictest11565-21gdbus10:42:360
169902281,5sleep10-21swapper/111:29:461
151742281,5sleep00-21swapper/009:56:520
14912281,5sleep00-21swapper/010:46:180
147872281,5sleep10-21swapper/111:21:201
11492281,5sleep10-21swapper/112:11:311
113962281,5sleep10-21swapper/109:46:361
51152271,5sleep00-21swapper/012:22:150
39062271,5sleep10-21swapper/109:26:561
31442271,4sleep00-21swapper/012:16:380
261952271,5sleep10-21swapper/111:52:401
2098299276,4cyclictest81rcu_preempt08:31:561
2098299275,4cyclictest81rcu_preempt08:25:541
2098299274,17cyclictest12493-21iostat_ios09:50:201
2098299273,4cyclictest81rcu_preempt11:06:451
2098299273,4cyclictest81rcu_preempt10:54:101
2098299272,11cyclictest2695-21snmpd08:07:451
2098199279,6cyclictest2443-21aten_r4power_en09:25:110
2098199274,11cyclictest0-21swapper/007:47:420
2098199271,14cyclictest5366-21taskset10:56:240
2098199271,14cyclictest25321-21ls10:25:130
172132271,5sleep10-21swapper/110:03:221
279372261,4sleep10-21swapper/111:56:171
2098299264,14cyclictest0-21swapper/107:56:391
2098299262,9cyclictest28766-21df_inode12:00:121
2098299262,10cyclictest2513-21ntp_states12:15:251
2098299261,14cyclictest0-21swapper/111:30:161
2098199268,5cyclictest2225-21dbus-daemon10:24:300
2098199262,12cyclictest0-21swapper/012:31:550
2098199262,12cyclictest0-21swapper/012:31:540
2098199261,13cyclictest5680-21mailstats08:05:260
2098199261,13cyclictest16087-21aten_r4power_vo08:35:120
2098199261,13cyclictest1095-21iostat_ios09:20:200
2098199261,13cyclictest10780-21chrt12:37:390
20982992516,6cyclictest22-21ksoftirqd/108:38:001
20982992515,6cyclictest14825-21switchtime09:55:291
2098199259,12cyclictest27087-21cpu10:30:110
2098199252,11cyclictest21935-21latency10:15:220
2098199252,11cyclictest21935-21latency10:15:210
20981992510,13cyclictest0-21swapper/012:41:240
20981992415,5cyclictest22603-21sendmail_mailqu08:50:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional