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2026-07-30 - 01:54
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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 Wed Jul 29, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8534218419,132sleep00-21swapper/019:06:170
90499910668,23cyclictest101ktimersoftd/021:00:200
90499910550,40cyclictest101ktimersoftd/023:17:530
90499910050,31cyclictest3650irq/20-4900000019:37:100
90499910014,33cyclictest4218-21df23:05:180
9049999919,30cyclictest1715-21runrttasks22:55:190
9049999613,34cyclictest431-21df22:50:200
904999957,19cyclictest25969-21apt-get22:27:100
9049999565,20cyclictest26973-21dmidecode00:31:530
9049999531,47cyclictest3650irq/20-4900000022:35:170
9049999520,20cyclictest26844-21munin-run20:20:020
9049999436,38cyclictest0-21swapper/020:13:320
9049999433,42cyclictest0-21swapper/020:33:360
9049999346,31cyclictest8950irq/40-mmc100:10:200
9049999232,42cyclictest0-21swapper/019:53:280
9049999225,31cyclictest787-21haveged22:50:050
9049999155,24cyclictest101ktimersoftd/019:20:390
9049999151,24cyclictest101ktimersoftd/023:21:070
9049999145,29cyclictest3650irq/20-4900000020:22:110
9049999145,10cyclictest101ktimersoftd/023:30:310
9049999142,16cyclictest23321-21aten_r7power_vo20:05:130
9049999123,35cyclictest9036-21cyclictest19:45:230
9049999122,32cyclictest15244-21/usr/sbin/munin19:35:040
9049999025,34cyclictest23636-21wget00:20:160
9049998932,43cyclictest3731-21wget20:55:150
9049998927,30cyclictest101ktimersoftd/000:05:410
9049998918,50cyclictest12565-21/usr/sbin/munin21:30:170
9049998847,23cyclictest0-21swapper/021:38:510
9049998838,30cyclictest6147-21/usr/sbin/munin21:05:160
226392880,7sleep022637-21ntp_kernel_pll_00:15:390
904999878,33cyclictest23789-21diskstats22:15:250
9049998761,11cyclictest101ktimersoftd/019:58:290
9049998744,34cyclictest31373-21latency_hist22:45:040
9049998642,28cyclictest3650irq/20-4900000023:42:110
9049998622,16cyclictest6447-21gpgv23:15:070
9049998555,20cyclictest12273-21runrttasks21:30:020
9049998523,34cyclictest25727-21sshd22:23:000
9049998461,11cyclictest101ktimersoftd/023:04:100
9049998452,14cyclictest10150irq/55-4a10000021:15:280
9049998447,28cyclictest2699-21seq20:50:290
9049998443,29cyclictest0-21swapper/019:25:350
9049998440,29cyclictest101ktimersoftd/022:10:330
9049998436,36cyclictest15444-21users23:46:250
9049998429,41cyclictest27828-21wget22:30:150
9049998417,48cyclictest1312-21sshd19:42:270
9049998415,49cyclictest24815-21wget00:25:130
9049998413,22cyclictest31283-21diskstats20:35:220
9049998352,14cyclictest10150irq/55-4a10000020:25:380
9049998325,14cyclictest10150irq/55-4a10000000:04:220
9049998323,46cyclictest1305-21snmpd00:39:310
9049998316,48cyclictest9907-21/usr/sbin/munin21:20:360
9049998254,13cyclictest10150irq/55-4a10000020:40:310
9049998235,14cyclictest10250irq/56-4a10000023:57:360
9049998234,16cyclictest22261-21sed22:10:030
9049998212,18cyclictest20070-21diskstats22:00:230
9049998155,11cyclictest101ktimersoftd/021:45:230
9049998154,10cyclictest101ktimersoftd/021:50:250
9049998151,20cyclictest16199-21runrttasks23:50:180
9049998136,19cyclictest19749-21runrttasks22:00:030
9049998133,35cyclictest12000-21wget23:35:170
9049998118,44cyclictest7385-21seq21:10:110
9049998050,14cyclictest10150irq/55-4a10000019:15:270
9049998049,14cyclictest10150irq/55-4a10000020:45:150
9049998033,32cyclictest101ktimersoftd/023:25:570
9049998011,35cyclictest9336-21diskstats19:10:220
9049997937,30cyclictest101ktimersoftd/020:00:550
9049997829,33cyclictest10150irq/55-4a10000021:40:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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