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2025-05-02 - 12:35
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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 rack1slot1.osadl.org (updated Fri May 02, 2025 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
261972206162,23sleep30-21swapper/319:05:513
263452202161,27sleep20-21swapper/219:07:472
264162200163,24sleep10-21swapper/119:08:421
263212199160,26sleep00-21swapper/019:07:280
1260421230,1sleep121-21ksoftirqd/123:45:171
253882630,1sleep319615-21diskmemload21:55:203
26606991513,1cyclictest9-21ksoftirqd/022:10:010
2660699143,5cyclictest9024-21grep19:40:000
26606991311,1cyclictest9-21ksoftirqd/000:40:000
2662399120,6cyclictest254-21systemd-journal00:08:252
26606991211,1cyclictest9-21ksoftirqd/021:40:160
2660699121,5cyclictest370-21perf20:30:010
26623991110,1cyclictest28-21ksoftirqd/221:12:182
2660699119,1cyclictest9-21ksoftirqd/023:20:000
2660699119,1cyclictest9-21ksoftirqd/020:10:000
26606991110,1cyclictest9-21ksoftirqd/023:35:150
26606991110,1cyclictest9-21ksoftirqd/023:25:000
26606991110,1cyclictest9-21ksoftirqd/022:10:260
26606991110,1cyclictest9-21ksoftirqd/021:20:170
2660699110,10cyclictest0-21swapper/020:10:150
2660699109,1cyclictest9-21ksoftirqd/023:25:150
2660699109,1cyclictest9-21ksoftirqd/022:53:330
2660699109,1cyclictest9-21ksoftirqd/021:50:150
2660699109,1cyclictest9-21ksoftirqd/021:15:150
2660699109,1cyclictest9-21ksoftirqd/000:20:140
2660699109,1cyclictest14812-21ssh23:47:380
2660699109,0cyclictest9-21ksoftirqd/000:10:010
2660699108,1cyclictest9-21ksoftirqd/022:44:590
2660699107,2cyclictest9-21ksoftirqd/020:35:120
26606991010,0cyclictest9-21ksoftirqd/023:30:150
26606991010,0cyclictest9-21ksoftirqd/022:45:200
13842100,0sleep10-21swapper/122:05:571
266309991,6cyclictest557-21nscd00:30:073
266309991,6cyclictest0-21swapper/300:19:073
266239999,0cyclictest0-21swapper/221:57:422
266239999,0cyclictest0-21swapper/221:49:112
266239993,4cyclictest60950irq/123-eno121:39:022
266069999,0cyclictest9-21ksoftirqd/023:50:170
266069999,0cyclictest9-21ksoftirqd/023:40:350
266069998,1cyclictest9-21ksoftirqd/021:45:210
266069998,1cyclictest9-21ksoftirqd/021:35:170
266069998,1cyclictest9-21ksoftirqd/000:05:160
266069997,1cyclictest9-21ksoftirqd/022:00:190
266069992,6cyclictest9-21ksoftirqd/019:10:170
266069990,8cyclictest19615-21diskmemload00:00:220
266309987,1cyclictest35-21ksoftirqd/320:54:593
266309986,1cyclictest19615-21diskmemload23:45:493
266309986,1cyclictest14827-21cat19:50:183
266309981,4cyclictest0-21swapper/322:30:203
266309980,7cyclictest15152-21apt-get21:00:163
266239987,1cyclictest28-21ksoftirqd/223:00:012
266239986,1cyclictest60950irq/123-eno122:34:192
266239986,1cyclictest60950irq/123-eno121:31:062
266239986,1cyclictest28330-21ssh21:20:012
266239986,1cyclictest1457-21cat23:30:192
266239985,2cyclictest28-21ksoftirqd/220:20:002
266239985,1cyclictest60950irq/123-eno123:49:552
266239982,5cyclictest1-21systemd21:40:152
266239981,4cyclictest12542-21perf20:55:002
266239981,3cyclictest3315-21sed22:50:212
266169981,2cyclictest0-21swapper/123:30:171
266169980,3cyclictest0-21swapper/100:20:141
266069988,0cyclictest9-21ksoftirqd/022:25:170
266069988,0cyclictest9-21ksoftirqd/021:25:500
266069987,1cyclictest9-21ksoftirqd/023:55:180
266069987,1cyclictest9-21ksoftirqd/023:05:210
266069987,1cyclictest9-21ksoftirqd/020:15:140
266069987,1cyclictest9-21ksoftirqd/019:45:180
266069987,1cyclictest9-21ksoftirqd/019:15:150
266069986,1cyclictest9-21ksoftirqd/021:30:210
266069983,0cyclictest23790-21ssh22:35:180
266069981,3cyclictest6656-21sort19:35:010
266069980,3cyclictest16657-21/usr/sbin/munin00:30:220
266309976,1cyclictest35-21ksoftirqd/321:50:123
266309976,1cyclictest35-21ksoftirqd/319:20:003
266309976,1cyclictest15791-21sh21:44:283
266309975,2cyclictest196162sleep321:49:213
266309975,1cyclictest3749-21ssh21:29:403
266309975,1cyclictest35-21ksoftirqd/319:45:003
266309974,1cyclictest254-21systemd-journal21:16:353
266309973,2cyclictest19615-21diskmemload22:05:183
266309972,2cyclictest19615-21diskmemload23:35:103
266309972,2cyclictest19615-21diskmemload23:26:213
266309971,3cyclictest31610-21gpgconf00:10:013
266309971,3cyclictest27095-21ntpq20:15:213
266309971,2cyclictest19615-21diskmemload23:14:203
266309970,3cyclictest29646-21sh00:05:493
266309970,3cyclictest0-21swapper/322:12:233
266309970,2cyclictest0-21swapper/323:00:203
266309970,1cyclictest0-21swapper/322:28:443
266239976,1cyclictest60950irq/123-eno123:55:172
266239976,1cyclictest60950irq/123-eno123:20:182
266239976,1cyclictest60950irq/123-eno122:37:082
266239976,1cyclictest60950irq/123-eno122:00:122
266239976,1cyclictest60950irq/123-eno120:25:182
266239976,1cyclictest60950irq/123-eno100:39:392
266239976,1cyclictest60950irq/123-eno100:20:312
266239976,1cyclictest60950irq/123-eno100:17:452
266239976,1cyclictest517-21ntpq22:05:212
266239976,1cyclictest0-21swapper/219:45:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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