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2024-04-16 - 15:15
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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 Tue Apr 16, 2024 14:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8168219225,138sleep08144-21nodejs07:08:000
28544212118,14sleep028540-21df_inode12:21:090
8568211718,12sleep08566-21df09:10:290
85719911566,32cyclictest13606-21kworker/u2:107:34:440
20314211416,14sleep020303-21nodejs07:52:360
11716211416,12sleep011713-21irqstats07:21:290
3717211214,12sleep02689-21nodejs10:52:020
32227211212,13sleep032212-21nodejs12:34:420
31479211110,13sleep031472-21df10:35:240
2452021117,14sleep022987-21apt-get10:09:240
12549211111,12sleep012045-21nodejs11:23:030
990321106,13sleep09924-21sort11:15:050
2454421106,16sleep024540-21irqstats12:06:410
4912210913,12sleep04655-21nodejs10:56:260
1693921086,12sleep016920-21nodejs11:39:220
903921077,12sleep08878-21nodejs07:11:100
85719910770,23cyclictest101ktimersoftd/011:09:340
1855521076,12sleep018557-21nodejs07:46:180
85719910610,42cyclictest10196-21df_inode11:15:300
3212421065,12sleep032139-21ps08:36:400
81521056,12sleep0771-21nodejs12:37:510
3120521056,12sleep031156-21nodejs08:33:150
1736121057,12sleep017338-21nodejs07:41:350
2774321045,11sleep027589-21nodejs10:21:110
1980821045,13sleep018739-21apt-get09:52:140
1399121046,11sleep013982-21nodejs11:29:100
85719910260,25cyclictest101ktimersoftd/010:17:450
741021025,12sleep07408-21irqstats09:06:040
3074821025,12sleep030519-21nodejs10:32:060
2875221026,13sleep028640-21nodejs08:24:230
1123221026,12sleep011099-21nodejs07:20:100
658821016,11sleep06548-21nodejs11:02:320
131221016,11sleep01295-21nodejs10:44:460
2947321006,12sleep029492-21aten_r7power_cu12:25:110
8571999957,11cyclictest101ktimersoftd/008:46:460
8571999953,30cyclictest3650irq/20-4900000008:26:100
256522995,11sleep025539-21nodejs12:10:560
22892985,14sleep02265-21nodejs10:47:150
8571999734,31cyclictest101ktimersoftd/009:36:350
8571999610,34cyclictest16703-21ntp_states09:41:240
271492955,11sleep027126-21nodejs08:19:370
8571999453,27cyclictest101ktimersoftd/010:01:100
8571999452,22cyclictest10124-21ntp_states09:16:190
857199937,19cyclictest21303-21df_inode11:55:280
8571999354,25cyclictest101ktimersoftd/011:53:510
8571999350,28cyclictest101ktimersoftd/009:30:430
8571999252,28cyclictest101ktimersoftd/011:44:370
8571999248,29cyclictest3650irq/20-4900000011:34:330
118502925,75sleep011848-21nodejs09:22:410
53662906,71sleep05353-21nodejs08:58:210
8571998944,32cyclictest3650irq/20-4900000007:36:190
39932896,11sleep03986-21nodejs08:52:540
8571998843,30cyclictest3650irq/20-4900000010:25:260
8571998842,32cyclictest101ktimersoftd/008:00:050
857199881,30cyclictest25004-21fw_forwarded_lo08:10:540
233812886,11sleep023363-21nodejs12:03:210
8571998732,17cyclictest12919-21if_err_eth007:26:010
857199868,32cyclictest10150irq/55-4a10000012:20:300
8571998635,31cyclictest18888-21latency_hist09:50:150
8571998633,15cyclictest1351-21runrttasks08:02:410
8571998550,22cyclictest101ktimersoftd/011:45:390
8571998540,30cyclictest3650irq/20-4900000008:08:520
8571998511,21cyclictest25004-21chrt10:10:500
8571998443,28cyclictest3650irq/20-4900000009:58:580
8571998353,13cyclictest10150irq/55-4a10000009:00:510
8571998160,14cyclictest549-21aten_r7power_vo08:40:190
8571998141,26cyclictest101ktimersoftd/009:27:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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