You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-20 - 16:25
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Mon Oct 20, 2025 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191680,4ptp4l14690-21irqstats07:45:200
2847191680,3ptp4l0-21swapper/010:25:280
2965799678,54cyclictest32042-21apt-key11:50:013
2847191670,3ptp4l9752-21df08:45:140
2847191620,5ptp4l0-21swapper/311:30:193
16572620,5sleep20-21swapper/209:35:242
2965799618,51cyclictest0-21swapper/308:25:163
2847191610,5ptp4l26951-21mailstats08:10:390
2847191610,4ptp4l0-21swapper/009:50:320
2847191610,3ptp4l0-21swapper/012:00:250
2847191600,4ptp4l0-21swapper/211:16:112
2847191600,3ptp4l20470-21sshd12:34:320
2847191600,15ptp4l23417-21ls10:20:220
2847191590,4ptp4l0-21swapper/211:25:242
2847191590,3ptp4l0-21swapper/212:10:152
2847191590,3ptp4l0-21swapper/008:25:260
2847191590,3ptp4l0-21swapper/007:40:030
83882580,5sleep20-21swapper/212:05:282
2847191580,4ptp4l0-21swapper/309:45:423
2847191580,4ptp4l0-21swapper/212:31:452
2847191580,4ptp4l0-21swapper/011:05:200
2847191570,4ptp4l0-21swapper/312:30:303
2847191570,4ptp4l0-21swapper/210:24:412
2847191570,4ptp4l0-21swapper/112:05:261
2847191570,4ptp4l0-21swapper/111:13:241
2847191570,4ptp4l0-21swapper/111:04:291
2847191570,4ptp4l0-21swapper/108:23:271
2847191570,4ptp4l0-21swapper/010:35:140
2847191570,3ptp4l0-21swapper/211:31:562
2847191570,3ptp4l0-21swapper/208:25:052
2847191570,3ptp4l0-21swapper/207:20:422
2847191570,3ptp4l0-21swapper/111:55:281
2847191570,3ptp4l0-21swapper/111:05:221
2847191570,3ptp4l0-21swapper/109:40:291
2847191570,3ptp4l0-21swapper/107:23:491
2847191570,3ptp4l0-21swapper/009:25:300
2965799566,11cyclictest18090-21unixbench_multi09:00:283
29657995610,15cyclictest21395-21mailstats10:15:273
2847191560,4ptp4l0-21swapper/010:15:180
2847191560,4ptp4l0-21swapper/007:38:390
2847191560,4ptp4l0-21swapper/007:05:240
2847191560,4ptp4l0-21swapper/007:05:240
2847191560,3ptp4l0-21swapper/209:42:172
29656995513,28cyclictest8683-21seq07:34:382
2847191550,4ptp4l0-21swapper/107:46:231
2847191550,4ptp4l0-21swapper/010:57:120
2847191550,4ptp4l0-21swapper/009:58:460
2847191550,3ptp4l0-21swapper/209:03:152
2965799546,10cyclictest27353-21fschecks_count10:30:183
2847191540,4ptp4l0-21swapper/112:22:081
2847191540,4ptp4l0-21swapper/109:59:491
2847191540,4ptp4l0-21swapper/010:08:080
2847191540,4ptp4l0-21swapper/008:53:280
2847191540,4ptp4l0-21swapper/008:36:590
2847191540,4ptp4l0-21swapper/008:31:390
2847191540,3ptp4l0-21swapper/007:27:010
2847191530,6ptp4l0-21swapper/207:53:502
2847191530,5ptp4l0-21swapper/107:05:431
2847191530,5ptp4l0-21swapper/107:05:431
2847191530,4ptp4l0-21swapper/110:36:371
2847191530,4ptp4l0-21swapper/108:26:071
2847191530,4ptp4l0-21swapper/010:11:160
2847191530,4ptp4l0-21swapper/009:10:570
2847191530,4ptp4l0-21swapper/009:07:570
2847191530,3ptp4l0-21swapper/112:17:241
2847191530,3ptp4l0-21swapper/112:17:241
2847191530,3ptp4l0-21swapper/110:55:391
2847191530,3ptp4l0-21swapper/009:46:370
2847191530,3ptp4l0-21swapper/009:33:280
2847191530,2ptp4l0-21swapper/011:48:260
2965799528,11cyclictest6880-21cpu12:05:133
2965799528,10cyclictest15979-21latency_hist07:50:003
2965799526,11cyclictest0-21swapper/307:53:013
29657995212,37cyclictest5528-21memory12:00:243
2847191520,4ptp4l0-21swapper/109:24:091
2847191520,4ptp4l0-21swapper/011:31:220
2847191520,4ptp4l0-21swapper/011:21:310
2847191520,4ptp4l0-21swapper/007:11:040
2847191520,3ptp4l0-21swapper/010:02:550
2847191520,3ptp4l0-21swapper/008:59:440
2847191520,3ptp4l0-21swapper/007:21:420
2847191520,11ptp4l0-21swapper/007:15:190
2965799518,18cyclictest15432-21apt-get10:05:133
2965799517,15cyclictest0-21swapper/311:20:273
2847191510,5ptp4l0-21swapper/211:43:242
2847191510,4ptp4l0-21swapper/112:04:151
2847191510,4ptp4l0-21swapper/111:46:011
2847191510,4ptp4l0-21swapper/011:19:320
2847191510,4ptp4l0-21swapper/010:51:060
2847191510,3ptp4l0-21swapper/110:31:331
2847191510,3ptp4l0-21swapper/008:41:080
2847191510,3ptp4l0-21swapper/008:24:280
2847191510,3ptp4l0-21swapper/008:01:020
2847191500,5ptp4l0-21swapper/210:54:272
2847191500,4ptp4l0-21swapper/107:41:041
2847191500,4ptp4l0-21swapper/012:26:180
2847191500,4ptp4l0-21swapper/011:44:530
2847191500,4ptp4l0-21swapper/009:43:320
2847191500,4ptp4l0-21swapper/007:31:270
2847191500,3ptp4l0-21swapper/111:35:151
2847191500,3ptp4l0-21swapper/009:00:450
2965799495,15cyclictest10973-21ls08:45:263
2847191490,8ptp4l0-21swapper/012:36:320
2847191490,4ptp4l0-21swapper/209:50:352
2847191490,4ptp4l0-21swapper/112:35:221
2847191490,4ptp4l0-21swapper/110:10:151
2847191490,4ptp4l0-21swapper/009:15:030
2847191490,4ptp4l0-21swapper/008:08:260
2847191490,3ptp4l0-21swapper/011:01:160
2847191490,3ptp4l0-21swapper/010:45:350
2847191480,4ptp4l0-21swapper/010:43:050
2847191480,4ptp4l0-21swapper/008:17:040
2847191480,3ptp4l0-21swapper/109:48:391
2847191480,3ptp4l0-21swapper/108:50:251
2965799473,9cyclictest0-21swapper/310:10:303
2847191470,4ptp4l0-21swapper/012:08:060
2847191470,3ptp4l0-21swapper/009:23:080
2847191470,13ptp4l15255-21cat12:20:262
2965799468,35cyclictest3433-21timedrift07:20:273
28496914637,4phc2sys0-21swapper/307:05:183
28496914637,4phc2sys0-21swapper/307:05:183
2965799459,7cyclictest5217-21df_inode08:35:163
29657994510,9cyclictest5904-21taskset10:53:123
29657994510,7cyclictest3303-21ntp_states11:55:253
2847191450,5ptp4l0-21swapper/212:15:122
2847191450,5ptp4l0-21swapper/212:15:122
2847191450,5ptp4l0-21swapper/209:25:162
2847191450,10ptp4l0-21swapper/208:01:452
2965799448,8cyclictest25605-21apt-get08:10:133
2965799448,16cyclictest4290-21/usr/sbin/munin07:25:183
29657994413,10cyclictest15440-21taskset11:13:573
2847191440,4ptp4l0-21swapper/210:58:032
2847191440,3ptp4l28040-21ls10:30:240
2847191440,3ptp4l0-21swapper/108:13:091
2847191440,2ptp4l0-21swapper/009:35:290
2965799439,8cyclictest11912-21ntp_states09:55:223
2965799439,6cyclictest0-21swapper/310:25:233
29657994311,29cyclictest20930-21runrttasks09:08:103
2847191430,4ptp4l7423-21apt-get09:48:062
2847191430,3ptp4l9186-21apt-get12:10:123
2965799429,16cyclictest29338-21grep09:25:243
2965799427,6cyclictest11040-21apt-get07:40:033
2847191420,5ptp4l32322-21diskstats07:15:131
2847191420,5ptp4l23609-21ps10:20:251
2847191420,5ptp4l0-21swapper/311:25:143
2847191420,5ptp4l0-21swapper/108:35:141
2847191420,5ptp4l0-21swapper/012:20:270
2847191420,4ptp4l30605-21apt-get09:30:103
2847191420,4ptp4l28231-21df_inode08:15:162
2847191420,4ptp4l20983-21apt-get08:00:133
2847191420,4ptp4l0-21swapper/211:54:442
2847191420,4ptp4l0-21swapper/112:34:061
2847191420,3ptp4l1570-21apt-get10:45:133
2847191420,3ptp4l14964-21ntp_states07:45:242
2965799417,7cyclictest26070-21ls11:35:233
2847191410,6ptp4l539-21sendmail_mailtr10:40:261
2847191410,5ptp4l0-21swapper/210:19:102
2847191410,5ptp4l0-21swapper/209:20:172
2847191410,5ptp4l0-21swapper/208:35:212
2847191410,5ptp4l0-21swapper/011:25:220
2847191410,4ptp4l753-21memory11:50:231
2847191410,4ptp4l17269-21ntp_states12:25:232
2847191410,4ptp4l0-21swapper/211:20:562
2847191410,4ptp4l0-21swapper/211:02:462
2847191410,4ptp4l0-21swapper/111:20:191
2847191410,4ptp4l0-21swapper/110:45:301
2847191410,4ptp4l0-21swapper/110:00:221
2847191410,4ptp4l0-21swapper/108:41:301
2847191410,4ptp4l0-21swapper/107:35:151
2847191410,4ptp4l0-21swapper/011:14:030
2847191410,3ptp4l325-21iostat11:50:200
2847191410,3ptp4l29695-21apt-get07:10:143
2847191410,3ptp4l25353-21df_inode11:35:160
2847191410,3ptp4l14744-21irqrtprio08:55:191
2847191410,3ptp4l0-21swapper/311:16:473
2847191410,3ptp4l0-21swapper/108:33:511
29655994037,2cyclictest25-21ksoftirqd/111:20:001
2847191400,5ptp4l31061-21awk07:10:292
2847191400,5ptp4l2965599cyclictest07:30:271
2847191400,5ptp4l19724-21rt-features07:55:251
2847191400,5ptp4l0-21swapper/309:42:333
2847191400,5ptp4l0-21swapper/308:05:193
2847191400,5ptp4l0-21swapper/112:29:261
2847191400,5ptp4l0-21swapper/110:50:291
2847191400,5ptp4l0-21swapper/109:05:501
2847191400,4ptp4l32619-21meminfo10:40:212
2847191400,4ptp4l16711-21iostat07:50:171
2847191400,4ptp4l0-21swapper/311:45:573
2847191400,4ptp4l0-21swapper/311:40:123
2847191400,4ptp4l0-21swapper/310:56:363
2847191400,4ptp4l0-21swapper/310:43:143
2847191400,4ptp4l0-21swapper/309:35:503
2847191400,4ptp4l0-21swapper/309:20:353
2847191400,4ptp4l0-21swapper/308:15:233
2847191400,4ptp4l0-21swapper/307:15:213
2847191400,4ptp4l0-21swapper/212:04:122
2847191400,4ptp4l0-21swapper/211:55:452
2847191400,4ptp4l0-21swapper/211:48:292
2847191400,4ptp4l0-21swapper/211:35:242
2847191400,4ptp4l0-21swapper/210:30:142
2847191400,4ptp4l0-21swapper/210:07:222
2847191400,4ptp4l0-21swapper/209:55:222
2847191400,4ptp4l0-21swapper/208:56:252
2847191400,4ptp4l0-21swapper/208:51:032
2847191400,4ptp4l0-21swapper/208:41:272
2847191400,4ptp4l0-21swapper/208:06:462
2847191400,4ptp4l0-21swapper/207:57:472
2847191400,4ptp4l0-21swapper/207:40:532
2847191400,4ptp4l0-21swapper/207:38:132
2847191400,4ptp4l0-21swapper/207:25:382
2847191400,4ptp4l0-21swapper/207:16:262
2847191400,4ptp4l0-21swapper/110:05:151
2847191400,4ptp4l0-21swapper/109:26:561
2847191400,4ptp4l0-21swapper/108:45:191
2847191400,4ptp4l0-21swapper/107:26:591
2847191400,4ptp4l0-21swapper/007:50:150
2847191400,3ptp4l9860-21diskstats08:45:152
2847191400,3ptp4l32116-21ls09:30:242
2847191400,3ptp4l23610-21df_inode08:05:151
2847191400,3ptp4l20529-21ls09:05:272
2847191400,3ptp4l13785-21diskstats11:10:162
2847191400,3ptp4l0-21swapper/109:30:501
2847191400,10ptp4l0-21swapper/107:13:431
2965699399,28cyclictest0-21swapper/211:06:302
29655993932,4cyclictest25-21ksoftirqd/109:40:001
2847191390,5ptp4l2965499cyclictest12:16:320
2847191390,5ptp4l2965499cyclictest12:16:320
2847191390,5ptp4l17471-21tr12:25:253
2847191390,5ptp4l0-21swapper/208:31:232
2847191390,4ptp4l392-21rs:main1
2847191390,4ptp4l0-21swapper/312:36:373
2847191390,4ptp4l0-21swapper/312:15:163
2847191390,4ptp4l0-21swapper/312:15:153
2847191390,4ptp4l0-21swapper/311:00:373
2847191390,4ptp4l0-21swapper/310:39:343
2847191390,4ptp4l0-21swapper/309:50:163
2847191390,4ptp4l0-21swapper/309:16:473
2847191390,4ptp4l0-21swapper/309:13:463
2847191390,4ptp4l0-21swapper/308:56:263
2847191390,4ptp4l0-21swapper/308:42:173
2847191390,4ptp4l0-21swapper/308:33:573
2847191390,4ptp4l0-21swapper/210:46:212
2847191390,4ptp4l0-21swapper/210:25:392
2847191390,4ptp4l0-21swapper/210:01:002
2847191390,4ptp4l0-21swapper/209:16:422
2847191390,4ptp4l0-21swapper/209:12:362
2847191390,4ptp4l0-21swapper/208:23:512
2847191390,4ptp4l0-21swapper/208:10:372
2847191390,4ptp4l0-21swapper/111:43:161
2847191390,4ptp4l0-21swapper/111:30:251
2847191390,4ptp4l0-21swapper/110:25:161
2847191390,4ptp4l0-21swapper/109:10:261
2847191390,4ptp4l0-21swapper/108:15:341
2847191390,4ptp4l0-21swapper/108:01:351
2847191390,4ptp4l0-21swapper/012:10:590
2847191390,4ptp4l0-21swapper/011:55:300
2847191390,4ptp4l0-21swapper/007:55:240
2847191390,3ptp4l0-21swapper/308:54:563
2847191390,3ptp4l0-21swapper/212:38:202
2847191390,3ptp4l0-21swapper/109:15:231
2847191380,4ptp4l0-21swapper/311:06:483
2847191380,4ptp4l0-21swapper/112:10:021
2847191380,3ptp4l0-21swapper/312:21:393
2847191380,3ptp4l0-21swapper/310:20:053
2847191380,3ptp4l0-21swapper/310:01:113
2847191380,3ptp4l0-21swapper/308:24:173
2847191380,3ptp4l0-21swapper/307:56:223
2847191380,3ptp4l0-21swapper/307:36:373
2847191380,3ptp4l0-21swapper/307:30:533
2847191380,3ptp4l0-21swapper/210:35:032
2847191380,3ptp4l0-21swapper/210:11:592
2847191380,3ptp4l0-21swapper/111:25:311
2847191380,3ptp4l0-21swapper/109:00:251
2847191370,3ptp4l0-21swapper/109:52:091
272812124,4sleep20-21swapper/207:05:052
272812124,4sleep20-21swapper/207:05:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional