You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-18 - 14:28
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
Characteristics of the 100 highest latencies:
System rackdslot4.osadl.org (updated Wed Mar 18, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35312204169,23sleep30-21swapper/319:09:343
35352202170,21sleep20-21swapper/219:09:382
34442201166,23sleep00-21swapper/019:08:280
32232200167,22sleep10-21swapper/119:05:351
401799626,16cyclictest5221-21/usr/sbin/munin22:25:162
401799616,10cyclictest7364-21latency20:20:192
138491610,1ptp4l401ktimersoftd/319:50:113
401799595,16cyclictest5480-21missed_timers00:35:212
401799586,16cyclictest0-21swapper/223:35:212
401799575,9cyclictest7144-21fschecks_time19:15:152
401799575,15cyclictest32304-21grep21:10:182
401799554,17cyclictest0-21swapper/221:55:162
401799536,8cyclictest3443-21timerwakeupswit23:25:252
401799516,15cyclictest11451-21/usr/sbin/munin20:30:232
401799515,16cyclictest0-21swapper/221:25:522
401799495,17cyclictest7100-21cpuspeed22:30:132
401799494,7cyclictest20492-21ls22:55:202
401799485,17cyclictest2939-21cat21:15:162
401799485,10cyclictest0-21swapper/200:30:192
401799474,14cyclictest0-21swapper/219:41:392
4017994740,4cyclictest29210-21cron22:10:012
4017994710,11cyclictest11044-21vmstat23:40:272
401799465,9cyclictest11939-21/usr/sbin/munin22:40:172
401799465,7cyclictest24989-21/usr/sbin/munin23:05:182
401799465,10cyclictest15192-21awk20:35:232
4017994520,22cyclictest33-21ksoftirqd/200:20:002
401899441,40cyclictest31510-21cron00:25:003
401799445,7cyclictest30268-21meminfo23:15:212
401799444,8cyclictest384-21ls00:25:192
4015994437,5cyclictest18605-21cron20:45:000
401799436,7cyclictest29134-21df20:00:132
401699430,42cyclictest0-21swapper/119:55:341
401799426,7cyclictest32376-21diskstats22:15:132
138491420,0ptp4l401ktimersoftd/322:55:533
138491420,0ptp4l401ktimersoftd/322:10:223
401799415,15cyclictest21376-21/usr/sbin/munin19:45:232
401799415,14cyclictest23747-21/usr/sbin/munin20:55:242
138491410,0ptp4l401ktimersoftd/320:10:253
138491410,0ptp4l401ktimersoftd/319:12:163
138491410,0ptp4l401ktimersoftd/319:12:153
4018994035,3cyclictest11299-21cron19:25:013
138491400,0ptp4l401ktimersoftd/319:19:563
4017993935,2cyclictest0-21swapper/219:10:012
4017993935,2cyclictest0-21swapper/219:10:002
4017993931,6cyclictest33-21ksoftirqd/200:06:092
4016993932,5cyclictest25-21ksoftirqd/100:15:011
4018993826,10cyclictest41-21ksoftirqd/321:10:273
4015993831,4cyclictest9-21ksoftirqd/023:45:110
4018993731,3cyclictest41-21ksoftirqd/321:40:003
4016993731,4cyclictest25-21ksoftirqd/100:22:341
4018993630,4cyclictest41-21ksoftirqd/323:26:323
4018993630,4cyclictest41-21ksoftirqd/300:28:313
4018993618,15cyclictest11410-21cron23:45:013
4017993630,4cyclictest33-21ksoftirqd/222:02:232
4017993630,4cyclictest33-21ksoftirqd/221:51:562
4017993630,4cyclictest33-21ksoftirqd/221:33:152
4017993630,4cyclictest33-21ksoftirqd/200:15:382
4016993629,4cyclictest25-21ksoftirqd/123:16:081
4016993629,4cyclictest25-21ksoftirqd/100:25:101
4015993630,4cyclictest9-21ksoftirqd/000:25:270
4015993629,5cyclictest9-21ksoftirqd/020:36:400
138491360,0ptp4l401ktimersoftd/300:11:583
4018993530,3cyclictest41-21ksoftirqd/321:29:333
4018993529,4cyclictest41-21ksoftirqd/323:24:523
4018993529,4cyclictest41-21ksoftirqd/323:17:343
4018993529,4cyclictest41-21ksoftirqd/321:34:043
4018993529,4cyclictest41-21ksoftirqd/320:26:483
4018993529,4cyclictest41-21ksoftirqd/300:31:273
4018993529,3cyclictest41-21ksoftirqd/323:40:003
4018993528,4cyclictest41-21ksoftirqd/323:07:033
4016993529,4cyclictest25-21ksoftirqd/120:56:471
4016993529,4cyclictest25-21ksoftirqd/120:03:081
401699350,33cyclictest0-21swapper/121:05:531
4015993530,3cyclictest11475-21egrep20:30:120
4015993529,4cyclictest9-21ksoftirqd/022:35:070
4015993529,4cyclictest9-21ksoftirqd/021:24:220
4015993529,4cyclictest9-21ksoftirqd/021:24:220
4015993529,4cyclictest9-21ksoftirqd/020:59:360
4018993429,3cyclictest41-21ksoftirqd/323:47:593
4018993429,3cyclictest41-21ksoftirqd/319:26:343
4018993428,4cyclictest41-21ksoftirqd/323:54:213
4018993427,4cyclictest41-21ksoftirqd/321:44:123
401799347,17cyclictest32338-21/usr/sbin/munin20:05:202
401799347,12cyclictest5045-21awk20:15:222
4017993429,3cyclictest33-21ksoftirqd/223:55:002
4017993428,4cyclictest33-21ksoftirqd/219:30:352
4017993427,5cyclictest33-21ksoftirqd/220:10:312
4017993427,4cyclictest33-21ksoftirqd/219:29:592
4016993429,3cyclictest25-21ksoftirqd/123:59:001
4016993428,4cyclictest25-21ksoftirqd/123:10:541
4016993428,4cyclictest25-21ksoftirqd/121:54:531
4016993428,4cyclictest25-21ksoftirqd/121:26:151
4016993428,4cyclictest25-21ksoftirqd/119:17:591
4016993427,5cyclictest25-21ksoftirqd/123:28:591
4016993427,5cyclictest25-21ksoftirqd/120:37:381
4016993427,4cyclictest25-21ksoftirqd/119:33:401
4015993429,3cyclictest9-21ksoftirqd/022:50:090
4015993428,4cyclictest9-21ksoftirqd/022:06:100
4015993428,4cyclictest9-21ksoftirqd/021:07:010
4015993428,4cyclictest9-21ksoftirqd/020:21:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional