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2025-12-08 - 06:19
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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 Mon Dec 08, 2025 01:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31733218323,133sleep031736-21df19:05:190
327369911014,38cyclictest24226-21apt-get22:47:110
327369910613,36cyclictest6016-21ntp_states23:36:140
327369910359,27cyclictest101ktimersoftd/020:07:070
32736999936,45cyclictest101ktimersoftd/019:57:100
32736999855,29cyclictest101ktimersoftd/021:41:180
32736999854,29cyclictest101ktimersoftd/020:22:130
32736999742,36cyclictest10150irq/55-4a10000023:04:450
32736999720,22cyclictest10145-21df_inode19:45:310
32736999631,46cyclictest1356-21snmpd20:39:040
32736999545,15cyclictest6545-21seq19:32:020
32736999454,24cyclictest101ktimersoftd/022:25:440
32736999357,23cyclictest101ktimersoftd/020:00:430
32736999317,22cyclictest5440-21sshd19:28:090
32736999223,52cyclictest32126-21seq23:12:130
32736999055,14cyclictest10150irq/55-4a10000021:45:570
32736998956,22cyclictest2800-21runrttasks19:17:050
32736998952,23cyclictest101ktimersoftd/021:05:390
32736998944,29cyclictest3650irq/20-4900000019:12:090
32736998927,30cyclictest101ktimersoftd/022:35:510
32736998925,46cyclictest1356-21snmpd23:41:350
32736998920,34cyclictest2340-21seq21:20:050
32736998861,11cyclictest101ktimersoftd/022:20:250
32736998848,25cyclictest101ktimersoftd/020:26:330
32736998847,30cyclictest1424-21nginx00:13:110
32736998743,33cyclictest18189-21aten_r7power_vo00:25:250
32736998743,29cyclictest101ktimersoftd/023:46:350
32736998739,16cyclictest10250irq/56-4a10000023:18:460
32736998642,31cyclictest10150irq/55-4a10000020:33:090
32736998642,29cyclictest3650irq/20-4900000020:10:240
32736998543,29cyclictest101ktimersoftd/023:05:400
3273699847,43cyclictest1356-21snmpd19:23:480
32736998458,11cyclictest101ktimersoftd/022:15:440
32736998457,19cyclictest11391-21runrttasks19:50:270
32736998453,20cyclictest947-21cron21:15:010
32736998446,27cyclictest0-21swapper/020:45:130
32736998437,14cyclictest10250irq/56-4a10000022:42:530
32736998429,20cyclictest15658-21wget22:10:130
32736998424,47cyclictest1356-21snmpd20:54:080
32736998410,20cyclictest28704-21df20:55:180
32736998362,12cyclictest101ktimersoftd/021:20:340
32736998344,26cyclictest101ktimersoftd/021:30:190
32736998336,33cyclictest10250irq/56-4a10000021:02:280
32736998335,32cyclictest101ktimersoftd/022:50:200
32736998334,15cyclictest10250irq/56-4a10000000:19:200
32736998321,15cyclictest21723-21latency_hist22:35:040
32736998315,33cyclictest1356-21snmpd21:29:140
3273699829,20cyclictest17033-21diskstats00:20:240
32736998262,11cyclictest101ktimersoftd/000:05:270
32736998260,11cyclictest101ktimersoftd/019:40:520
32736998249,22cyclictest20449-21runrttasks00:35:020
32736998236,31cyclictest10250irq/56-4a10000020:17:230
3273699818,23cyclictest11690-21grep00:00:030
32736998162,11cyclictest101ktimersoftd/022:00:250
32736998147,25cyclictest0-21swapper/023:20:220
32736998139,27cyclictest101ktimersoftd/022:55:260
32736998129,40cyclictest12982-21latency_hist22:00:040
32736998019,22cyclictest3807-21sshd23:30:010
32736997948,14cyclictest10150irq/55-4a10000019:35:430
32736997943,25cyclictest7376-21latency_hist21:40:090
32736997811,33cyclictest21167-21users00:35:500
32736997752,11cyclictest101ktimersoftd/023:30:410
32736997747,20cyclictest25001-21runrttasks20:40:210
32736997720,20cyclictest14920-21runrttasks22:05:530
32736997646,12cyclictest10150irq/55-4a10000000:00:290
32736997518,44cyclictest1336-21runrttasks23:50:110
3273699749,24cyclictest10827-21diskstats21:50:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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