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2025-12-02 - 06:31
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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 highest latencies:
System rackdslot1.osadl.org (updated Tue Dec 02, 2025 00:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319462780,4sleep00-21swapper/022:40:230
2847191630,4ptp4l0-21swapper/200:10:332
246482630,5sleep324649-21fschecks_count23:35:173
2847191590,5ptp4l0-21swapper/022:19:130
2847191580,4ptp4l11169-21/usr/sbin/munin21:55:280
2847191570,4ptp4l0-21swapper/221:48:532
2847191570,3ptp4l0-21swapper/222:04:582
2847191560,4ptp4l0-21swapper/020:15:500
281222560,4sleep00-21swapper/023:40:290
120452560,4sleep112046-21unixbench_singl23:05:311
2847191550,3ptp4l0-21swapper/022:20:270
2847191540,8ptp4l0-21swapper/319:05:273
2847191540,4ptp4l0-21swapper/221:15:272
2847191540,3ptp4l0-21swapper/223:05:312
2847191530,4ptp4l2916999cyclictest20:14:053
2847191530,4ptp4l0-21swapper/022:50:150
2847191530,4ptp4l0-21swapper/020:51:130
2847191520,5ptp4l0-21swapper/019:09:360
2847191520,4ptp4l0-21swapper/223:51:472
2847191520,4ptp4l0-21swapper/200:01:492
2847191520,3ptp4l0-21swapper/223:00:302
2847191520,3ptp4l0-21swapper/022:33:090
2847191520,2ptp4l18074-21kworker/2:020:55:232
2847191510,5ptp4l0-21swapper/219:05:462
2847191510,5ptp4l0-21swapper/023:23:340
2847191510,4ptp4l0-21swapper/200:18:032
2847191510,4ptp4l0-21swapper/122:35:491
2847191510,4ptp4l0-21swapper/122:16:431
2847191510,3ptp4l0-21swapper/221:52:452
2847191510,3ptp4l0-21swapper/221:25:272
2847191500,4ptp4l0-21swapper/121:14:151
2847191500,4ptp4l0-21swapper/100:38:211
2847191500,4ptp4l0-21swapper/021:50:000
2847191500,4ptp4l0-21swapper/020:29:170
2847191500,4ptp4l0-21swapper/020:22:270
2847191500,4ptp4l0-21swapper/019:30:390
2847191500,3ptp4l0-21swapper/221:10:152
2847191500,3ptp4l0-21swapper/123:24:521
2847191500,3ptp4l0-21swapper/023:50:290
2847191500,3ptp4l0-21swapper/023:14:380
2847191500,3ptp4l0-21swapper/000:20:320
2847191490,4ptp4l0-21swapper/120:39:031
2847191490,4ptp4l0-21swapper/023:56:420
2847191490,4ptp4l0-21swapper/023:35:060
2847191490,4ptp4l0-21swapper/022:46:140
2847191490,4ptp4l0-21swapper/022:46:140
2847191490,4ptp4l0-21swapper/021:28:500
2847191490,4ptp4l0-21swapper/000:35:540
2847191490,3ptp4l0-21swapper/121:03:331
2847191490,3ptp4l0-21swapper/119:37:151
2847191490,3ptp4l0-21swapper/020:05:310
2847191480,4ptp4l0-21swapper/321:55:283
2847191480,4ptp4l0-21swapper/219:44:192
2847191480,4ptp4l0-21swapper/120:41:451
2847191480,4ptp4l0-21swapper/021:38:250
2847191480,4ptp4l0-21swapper/000:14:200
2847191480,3ptp4l0-21swapper/121:36:591
2847191480,3ptp4l0-21swapper/121:31:391
2847191480,3ptp4l0-21swapper/100:27:031
2847191480,2ptp4l0-21swapper/321:48:593
2847191470,4ptp4l1437-21apt-get19:20:133
2847191470,4ptp4l0-21swapper/220:40:202
2847191470,3ptp4l0-21swapper/120:25:191
2847191470,3ptp4l0-21swapper/022:55:210
2847191470,3ptp4l0-21swapper/020:55:210
2847191470,2ptp4l121rcu_preempt20:36:203
2847191460,4ptp4l0-21swapper/222:55:402
2847191450,6ptp4l0-21swapper/023:45:270
2847191450,11ptp4l0-21swapper/120:47:031
2847191450,10ptp4l0-21swapper/322:11:543
2849491440,10getstats0-21swapper/300:15:133
2847191440,4ptp4l7454-21apt-get21:50:130
2847191440,4ptp4l0-21swapper/021:42:170
2847191440,3ptp4l0-21swapper/200:06:152
2847191430,8ptp4l0-21swapper/200:27:382
2847191430,5ptp4l0-21swapper/322:00:123
2847191430,4ptp4l23148-21apt-get21:15:123
2847191430,4ptp4l19507-21df22:15:153
2847191430,4ptp4l1818-21apt-get20:30:140
2847191430,4ptp4l16979-21df22:10:130
2847191430,3ptp4l13118-21apt-get19:45:120
2847191430,3ptp4l0-21swapper/022:00:160
2847191430,10ptp4l0-21swapper/300:31:193
2849491420,9getstats0-21swapper/321:30:033
2849491420,10getstats0-21swapper/321:29:033
2849491420,10getstats0-21swapper/320:40:143
2849491420,10getstats0-21swapper/300:05:143
2847191420,9ptp4l0-21swapper/220:04:052
2847191420,9ptp4l0-21swapper/200:24:322
2847191420,5ptp4l0-21swapper/200:30:232
2847191420,4ptp4l4465-21diskstats20:35:160
2847191420,4ptp4l30113-21apt-get21:30:132
2847191420,4ptp4l0-21swapper/123:53:471
2847191420,3ptp4l24902-21meminfo22:25:220
2847191420,3ptp4l0-21swapper/300:12:533
2847191420,10ptp4l0-21swapper/220:20:022
2849491410,9getstats0-21swapper/323:55:073
2849491410,9getstats0-21swapper/321:23:523
2849491410,10getstats0-21swapper/322:05:423
2849491410,10getstats0-21swapper/321:51:103
2849491410,10getstats0-21swapper/300:04:053
2847191410,9ptp4l0-21swapper/022:38:370
2847191410,5ptp4l0-21swapper/221:35:132
2847191410,5ptp4l0-21swapper/023:30:140
2847191410,4ptp4l22587-21meminfo22:20:222
2847191410,4ptp4l0-21swapper/321:35:123
2847191410,4ptp4l0-21swapper/222:11:182
2847191410,4ptp4l0-21swapper/221:43:422
2847191410,4ptp4l0-21swapper/122:40:521
2847191410,4ptp4l0-21swapper/122:30:121
2847191410,4ptp4l0-21swapper/119:30:071
2847191410,4ptp4l0-21swapper/100:05:191
2847191410,4ptp4l0-21swapper/021:10:160
2847191410,4ptp4l0-21swapper/000:02:430
2847191410,3ptp4l30448-21ls23:45:271
2847191410,3ptp4l24263-21diskstats22:25:171
2847191410,3ptp4l22065-21hddtemp_smartct22:20:183
2847191410,3ptp4l0-21swapper/321:06:083
2847191410,3ptp4l0-21swapper/123:42:501
2847191410,3ptp4l0-21swapper/000:16:480
2847191410,10ptp4l0-21swapper/023:18:510
2847191410,10ptp4l0-21swapper/023:18:510
41798400,9rtkit-daemon0-21swapper/322:46:553
41798400,9rtkit-daemon0-21swapper/322:46:553
29167994036,2cyclictest25-21ksoftirqd/121:20:001
2847191400,5ptp4l1086-21sshd19:19:120
2847191400,5ptp4l0-21swapper/320:00:153
2847191400,5ptp4l0-21swapper/319:55:173
2847191400,5ptp4l0-21swapper/222:48:382
2847191400,5ptp4l0-21swapper/222:48:382
2847191400,5ptp4l0-21swapper/222:40:142
2847191400,4ptp4l16391-21memory19:50:212
2847191400,4ptp4l16334-21meminfo00:25:200
2847191400,4ptp4l15742-21df_inode19:50:150
2847191400,4ptp4l0-21swapper/322:54:593
2847191400,4ptp4l0-21swapper/223:23:212
2847191400,4ptp4l0-21swapper/222:39:182
2847191400,4ptp4l0-21swapper/222:15:192
2847191400,4ptp4l0-21swapper/221:03:572
2847191400,4ptp4l0-21swapper/219:55:242
2847191400,4ptp4l0-21swapper/200:39:432
2847191400,4ptp4l0-21swapper/100:20:081
2847191400,4ptp4l0-21swapper/100:12:591
2847191400,4ptp4l0-21swapper/022:05:110
2847191400,4ptp4l0-21swapper/019:29:360
2847191400,4ptp4l0-21swapper/000:34:250
2847191400,3ptp4l6978-21ntp_states00:05:230
2847191400,3ptp4l29073-21apt-get20:20:033
2847191400,3ptp4l21034-21memory20:00:231
2847191400,3ptp4l0-21swapper/123:31:371
2847191390,5ptp4l1293-21snmpd19:41:273
2847191390,5ptp4l0-21swapper/320:55:223
2847191390,5ptp4l0-21swapper/300:20:223
2847191390,5ptp4l0-21swapper/119:25:201
2847191390,5ptp4l0-21swapper/119:09:491
2847191390,4ptp4l25274-21iostat_ios20:10:200
2847191390,4ptp4l0-21swapper/323:52:073
2847191390,4ptp4l0-21swapper/323:31:443
2847191390,4ptp4l0-21swapper/323:00:263
2847191390,4ptp4l0-21swapper/322:32:263
2847191390,4ptp4l0-21swapper/322:25:373
2847191390,4ptp4l0-21swapper/321:43:043
2847191390,4ptp4l0-21swapper/320:45:163
2847191390,4ptp4l0-21swapper/319:45:213
2847191390,4ptp4l0-21swapper/300:39:433
2847191390,4ptp4l0-21swapper/223:55:232
2847191390,4ptp4l0-21swapper/223:49:282
2847191390,4ptp4l0-21swapper/223:42:412
2847191390,4ptp4l0-21swapper/223:35:132
2847191390,4ptp4l0-21swapper/223:31:502
2847191390,4ptp4l0-21swapper/222:34:102
2847191390,4ptp4l0-21swapper/222:25:382
2847191390,4ptp4l0-21swapper/222:08:502
2847191390,4ptp4l0-21swapper/221:58:132
2847191390,4ptp4l0-21swapper/221:06:322
2847191390,4ptp4l0-21swapper/220:54:582
2847191390,4ptp4l0-21swapper/220:49:122
2847191390,4ptp4l0-21swapper/220:37:542
2847191390,4ptp4l0-21swapper/220:31:342
2847191390,4ptp4l0-21swapper/220:15:052
2847191390,4ptp4l0-21swapper/220:14:352
2847191390,4ptp4l0-21swapper/219:49:582
2847191390,4ptp4l0-21swapper/219:37:572
2847191390,4ptp4l0-21swapper/219:32:442
2847191390,4ptp4l0-21swapper/219:27:532
2847191390,4ptp4l0-21swapper/219:12:082
2847191390,4ptp4l0-21swapper/123:55:251
2847191390,4ptp4l0-21swapper/123:37:001
2847191390,4ptp4l0-21swapper/123:10:181
2847191390,4ptp4l0-21swapper/123:01:491
2847191390,4ptp4l0-21swapper/122:21:121
2847191390,4ptp4l0-21swapper/122:09:031
2847191390,4ptp4l0-21swapper/120:10:281
2847191390,4ptp4l0-21swapper/120:09:511
2847191390,4ptp4l0-21swapper/119:40:191
2847191390,4ptp4l0-21swapper/119:23:301
2847191390,4ptp4l0-21swapper/100:30:191
2847191390,4ptp4l0-21swapper/100:03:111
2847191390,4ptp4l0-21swapper/023:05:220
2847191390,4ptp4l0-21swapper/023:00:010
2847191390,4ptp4l0-21swapper/021:32:070
2847191390,4ptp4l0-21swapper/021:05:200
2847191390,4ptp4l0-21swapper/021:00:150
2847191390,4ptp4l0-21swapper/020:46:300
2847191390,4ptp4l0-21swapper/019:23:230
2847191390,4ptp4l0-21swapper/019:10:090
2847191390,3ptp4l8794-21df_inode19:35:150
2847191390,3ptp4l25483-21apt-get21:20:112
2847191390,3ptp4l16700-21users23:15:301
2847191390,3ptp4l16700-21users23:15:301
2847191390,3ptp4l0-21swapper/123:28:391
2847191390,3ptp4l0-21swapper/023:25:210
2847191390,3ptp4l0-21swapper/019:40:510
2847191380,4ptp4l2916999cyclictest23:42:423
2847191380,4ptp4l11982-21ls23:05:313
2847191380,4ptp4l0-21swapper/323:20:233
2847191380,4ptp4l0-21swapper/321:10:143
2847191380,4ptp4l0-21swapper/321:04:223
2847191380,4ptp4l0-21swapper/320:50:193
2847191380,4ptp4l0-21swapper/320:15:053
2847191380,4ptp4l0-21swapper/320:05:183
2847191380,4ptp4l0-21swapper/319:50:183
2847191380,4ptp4l0-21swapper/319:37:493
2847191380,4ptp4l0-21swapper/223:27:302
2847191380,4ptp4l0-21swapper/222:50:212
2847191380,4ptp4l0-21swapper/220:25:562
2847191380,4ptp4l0-21swapper/220:06:022
2847191380,4ptp4l0-21swapper/219:21:072
2847191380,4ptp4l0-21swapper/219:19:452
2847191380,4ptp4l0-21swapper/122:10:031
2847191380,4ptp4l0-21swapper/122:01:331
2847191380,4ptp4l0-21swapper/121:25:211
2847191380,4ptp4l0-21swapper/121:07:451
2847191380,4ptp4l0-21swapper/120:50:111
2847191380,4ptp4l0-21swapper/120:20:261
2847191380,4ptp4l0-21swapper/120:15:581
2847191380,4ptp4l0-21swapper/119:10:141
2847191380,4ptp4l0-21swapper/020:44:070
2847191380,4ptp4l0-21swapper/020:00:270
2847191380,4ptp4l0-21swapper/019:55:020
2847191380,3ptp4l0-21swapper/319:10:163
2847191380,3ptp4l0-21swapper/223:16:102
2847191380,3ptp4l0-21swapper/223:16:092
2847191380,3ptp4l0-21swapper/122:57:121
2847191380,3ptp4l0-21swapper/121:45:001
2847191380,3ptp4l0-21swapper/120:30:281
2847191380,3ptp4l0-21swapper/119:15:241
2847191380,3ptp4l0-21swapper/100:16:361
2916799378,4cyclictest25-21ksoftirqd/122:45:281
2916799378,4cyclictest25-21ksoftirqd/122:45:281
2847191370,4ptp4l0-21swapper/322:43:153
2847191370,4ptp4l0-21swapper/121:52:061
2847191370,4ptp4l0-21swapper/121:49:121
2847191370,4ptp4l0-21swapper/119:55:031
2847191370,4ptp4l0-21swapper/119:45:191
2847191370,4ptp4l0-21swapper/021:20:500
2847191370,3ptp4l0-21swapper/323:49:243
2847191370,3ptp4l0-21swapper/322:55:133
2847191370,3ptp4l0-21swapper/322:39:183
2847191370,3ptp4l0-21swapper/121:55:201
2847191370,3ptp4l0-21swapper/121:21:281
2847191370,3ptp4l0-21swapper/120:55:191
2847191370,3ptp4l0-21swapper/119:50:161
2847191370,3ptp4l0-21swapper/021:15:150
2847191360,4ptp4l0-21swapper/223:11:312
2847191360,4ptp4l0-21swapper/122:50:031
2847191360,3ptp4l0-21swapper/323:26:493
29169993515,4cyclictest0-21swapper/300:25:163
29169993513,3cyclictest6101-21/usr/sbin/munin19:30:193
2847191350,4ptp4l0-21swapper/319:25:303
29169993227,3cyclictest41-21ksoftirqd/320:31:363
2847191310,3ptp4l0-21swapper/320:28:533
2847191290,4ptp4l0-21swapper/323:18:393
2847191290,4ptp4l0-21swapper/323:18:393
2847191260,3ptp4l0-21swapper/323:11:383
2847191240,3ptp4l0-21swapper/319:18:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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