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2025-07-12 - 12:53
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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 (updated Sat Jul 12, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5617233834,87sleep0760-21systemd-journal19:06:110
61379917150,27cyclictest0-21swapper/023:10:220
61379915847,26cyclictest101ktimersoftd/000:17:130
61379915747,25cyclictest101ktimersoftd/023:35:450
61379915743,29cyclictest3650irq/20-4900000022:45:440
61379915524,14cyclictest13043-21latency_hist23:55:040
6137991493,27cyclictest29642-21if_eth022:50:320
61379914649,13cyclictest10150irq/55-4a10000021:55:290
908921115,11sleep09108-21ntpq19:20:400
5322211013,82sleep05328-21aten_r7power_cu21:15:140
314021105,10sleep02839-21/usr/sbin/munin21:05:310
3015221075,90sleep030163-21cut20:45:010
1931121066,89sleep018685-21/usr/sbin/munin20:00:540
1922921039,81sleep019232-21diskstats22:10:220
1733021025,83sleep017333-21ntp_states00:10:450
558521015,84sleep05592-21munin-run23:25:020
3200821015,81sleep032066-21cpuspeed23:00:200
2031621005,83sleep020319-21ntp_states20:05:410
97022988,77sleep09704-21fw_conntrack23:40:380
158512986,81sleep015873-21df00:05:170
239662965,77sleep023968-21irqstats20:20:310
101172955,79sleep01356-21snmpd21:34:230
46982945,78sleep04700-21vmstat21:10:530
274412945,79sleep01356-21snmpd22:43:280
164482945,78sleep016484-21awk19:50:330
6137999334,23cyclictest10250irq/56-4a10000022:32:230
114502915,74sleep011445-21munin-run21:40:020
6137999056,23cyclictest68352sleep021:20:260
1037428912,67sleep010372-21ntp_states19:25:430
6137998845,29cyclictest3650irq/20-4900000023:30:360
19922876,68sleep01998-21ntp_states21:00:390
6137998630,23cyclictest10250irq/56-4a10000023:49:150
222532865,70sleep022255-21irqstats00:30:380
219252865,69sleep021931-21ntp_states22:20:390
6137998522,16cyclictest21825-21latency_hist00:30:040
613799848,39cyclictest8225-21apt-get19:17:110
6137998447,28cyclictest0-21swapper/020:55:240
146612845,68sleep014664-21df_inode00:00:290
6137998362,12cyclictest0-21swapper/019:10:040
6137998351,15cyclictest31112-21seq20:47:390
6137998348,27cyclictest0-21swapper/000:20:210
6137998336,14cyclictest1336-21runrttasks21:51:390
6137998323,14cyclictest14828-21latency_hist19:45:030
6137998248,26cyclictest0-21swapper/023:25:260
6137998222,15cyclictest28657-21apt-config20:40:090
6137998135,32cyclictest13542-21runrttasks19:39:500
6137998132,15cyclictest10250irq/56-4a10000022:59:450
6137998045,16cyclictest10150irq/55-4a10000019:55:270
6137998043,28cyclictest0-21swapper/021:45:210
6137998039,22cyclictest0-21swapper/019:48:300
6137997951,19cyclictest21384-21/usr/sbin/munin20:10:250
6137997935,29cyclictest3650irq/20-4900000020:25:320
6137997847,12cyclictest10150irq/55-4a10000020:15:440
6137997845,15cyclictest10150irq/55-4a10000022:25:350
6137997834,10cyclictest101ktimersoftd/022:00:190
6137997832,29cyclictest26113-21sshd22:37:530
6137997743,25cyclictest0-21swapper/021:40:210
6137997739,22cyclictest10150irq/55-4a10000022:15:230
6137997715,30cyclictest792-21haveged00:00:070
6137997652,16cyclictest1000-21/usr/sbin/munin23:05:350
6137997650,17cyclictest3200-21/usr/sbin/munin23:15:130
6137997646,12cyclictest10150irq/55-4a10000019:30:120
6137997643,15cyclictest10150irq/55-4a10000000:40:010
613799757,55cyclictest10150irq/55-4a10000020:50:320
6137997520,22cyclictest1356-21snmpd20:33:420
6137997454,14cyclictest7937-21aten_r7power_vo21:25:140
6137997447,18cyclictest180152sleep022:05:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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