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2026-06-12 - 15:40
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Fri Jun 12, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2054221328,52sleep00-21swapper/019:09:580
941221006,12sleep09415-21diskstats21:45:340
21259910080,13cyclictest62192sleep019:25:300
289362995,12sleep028939-21diskstats20:55:220
2125999974,10cyclictest101ktimersoftd/020:05:020
2125999852,29cyclictest101ktimersoftd/023:30:330
2125999850,31cyclictest3650irq/20-4900000000:12:140
227122976,12sleep022715-21df_inode20:30:190
2125999641,34cyclictest801-21dbus-daemon00:27:210
2125999445,31cyclictest3650irq/20-4900000022:12:110
99782935,14sleep09989-21irqstats19:40:310
2125999362,13cyclictest101ktimersoftd/023:17:110
212599928,47cyclictest1305-21snmpd20:37:520
2125999265,12cyclictest101ktimersoftd/020:07:110
2125999045,29cyclictest101ktimersoftd/020:17:110
2125999044,12cyclictest101ktimersoftd/000:31:020
2125998939,34cyclictest25405-21runrttasks22:48:180
2125998937,32cyclictest11532-21latency_hist21:55:030
2125998937,31cyclictest4541-21/usr/sbin/munin23:35:130
2125998921,34cyclictest787-21haveged23:50:030
2125998848,10cyclictest101ktimersoftd/023:10:480
2125998842,14cyclictest10250irq/56-4a10000021:32:430
2125998837,33cyclictest21928-21latency_hist22:35:040
2125998735,33cyclictest9371-21chrt19:38:280
2125998616,19cyclictest1305-21snmpd19:46:210
2125998547,27cyclictest0-21swapper/022:05:220
2125998538,31cyclictest10150irq/55-4a10000022:20:440
2125998536,30cyclictest9322-21sshd23:54:260
2125998454,14cyclictest15720-21runrttasks00:17:120
2125998440,30cyclictest3650irq/20-4900000022:40:370
2125998436,30cyclictest21998-21/usr/sbin/munin22:35:230
2125998434,17cyclictest10150irq/55-4a10000019:17:080
2125998420,16cyclictest32353-21latency_hist21:10:040
2125998416,33cyclictest787-21haveged20:15:040
2125998345,23cyclictest101ktimersoftd/020:42:520
2125998344,28cyclictest0-21swapper/000:20:430
2125998336,31cyclictest101ktimersoftd/022:50:200
2125998335,29cyclictest6290-21/usr/sbin/munin21:35:360
2125998323,20cyclictest787-21haveged22:30:010
2125998220,15cyclictest8314-21latency_hist19:35:020
2125998158,11cyclictest101ktimersoftd/023:05:570
2125998156,11cyclictest101ktimersoftd/023:00:340
2125998155,18cyclictest20061-21basename20:20:110
2125998154,11cyclictest101ktimersoftd/021:17:010
2125998151,13cyclictest10150irq/55-4a10000000:00:020
2125998135,34cyclictest278202chrt22:57:380
2125998124,45cyclictest10250irq/56-4a10000021:43:070
2125998123,40cyclictest0-21swapper/021:58:110
2125998120,28cyclictest18145-21latency_hist22:20:040
2125998061,11cyclictest101ktimersoftd/000:35:420
2125998046,25cyclictest0-21swapper/022:00:220
2125998043,26cyclictest0-21swapper/021:10:200
2125998041,28cyclictest0-21swapper/000:09:460
2125998029,33cyclictest1276-21runrttasks19:10:340
2125998017,29cyclictest787-21haveged20:55:030
212599797,35cyclictest1305-21snmpd19:53:230
2125997958,12cyclictest101ktimersoftd/019:55:480
2125997954,16cyclictest11929-21latency_hist00:05:020
2125997947,14cyclictest10150irq/55-4a10000021:20:480
212599787,18cyclictest1305-21snmpd20:25:490
2125997848,13cyclictest10150irq/55-4a10000023:30:010
2125997835,28cyclictest10250irq/56-4a10000020:45:150
2125997833,30cyclictest1276-21runrttasks21:29:000
2125997833,19cyclictest6264-21ps23:40:530
2125997813,36cyclictest884-21wget23:20:210
2125997757,12cyclictest101ktimersoftd/019:22:410
2125997656,11cyclictest101ktimersoftd/021:00:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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