Other Parts Discussed in Thread: RFSDK
Tool/software: Linux
Hi,
We have been facing an issue of incorrect CPU usage of a ARM core on our board based on K2L (2 ARM Cores and 4 DSP cores).
We are using kernel version is K2_LINUX_03.10.10
TOP report more than 70% usage on Cpu1, but I cannot find any task using high load.(refer to the following capture and attache log file: 0.5sec interval reporting)
===========
[Fri Aug 18 10:54:29.547 2017] top - 10:53:27 up 65 days, 22 min, 1 user, load average: 0.84, 0.91, 0.95
[Fri Aug 18 10:54:29.547 2017] Tasks: 87 total, 1 running, 86 sleeping, 0 stopped, 0 zombie
[Fri Aug 18 10:54:29.547 2017] Cpu0 : 2.2%us, 6.5%sy, 0.0%ni, 91.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
[Fri Aug 18 10:54:29.547 2017] Cpu1 : 70.4%us, 5.4%sy, 0.0%ni, 24.1%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
[Fri Aug 18 10:54:29.547 2017] Mem: 1031956k total, 246592k used, 785364k free, 0k buffers
[Fri Aug 18 10:54:29.547 2017] Swap: 0k total, 0k used, 0k free, 115532k cached
[Fri Aug 18 10:54:29.547 2017]
[Fri Aug 18 10:54:29.547 2017] PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
[Fri Aug 18 10:54:29.547 2017] 2598 root 20 0 10704 536 452 S 2 0.1 96:42.03 gps_monitor
[Fri Aug 18 10:54:29.547 2017] 1 root 20 0 1320 504 440 S 0 0.0 0:43.01 init
[Fri Aug 18 10:54:29.547 2017] 2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd
[Fri Aug 18 10:54:29.578 2017] 3 root 20 0 0 0 0 S 0 0.0 69:18.63 ksoftirqd/0
[Fri Aug 18 10:54:29.578 2017] 5 root 0 -20 0 0 0 S 0 0.0 0:00.00 kworker/0:0H
[Fri Aug 18 10:54:29.578 2017] 7 root RT 0 0 0 0 S 0 0.0 0:09.29 migration/0
[Fri Aug 18 10:54:29.578 2017] 8 root 20 0 0 0 0 S 0 0.0 0:00.00 rcu_bh
[Fri Aug 18 10:54:29.578 2017] 9 root 20 0 0 0 0 S 0 0.0 26:28.68 rcu_sched
[Fri Aug 18 10:54:29.578 2017] 10 root RT 0 0 0 0 S 0 0.0 0:05.53 migration/1
[Fri Aug 18 10:54:29.594 2017] 11 root 20 0 0 0 0 S 0 0.0 4:03.02 ksoftirqd/1
[Fri Aug 18 10:54:29.594 2017] 13 root 0 -20 0 0 0 S 0 0.0 0:00.00 kworker/1:0H
[Fri Aug 18 10:54:29.594 2017] 14 root 0 -20 0 0 0 S 0 0.0 0:00.00 khelper
[Fri Aug 18 10:54:29.594 2017] 15 root 20 0 0 0 0 S 0 0.0 0:00.00 kdevtmpfs
[Fri Aug 18 10:54:29.594 2017] 20 root 20 0 0 0 0 S 0 0.0 50:39.55 kworker/1:1
[Fri Aug 18 10:54:29.594 2017] 240 root 0 -20 0 0 0 S 0 0.0 0:00.00 writeback
[Fri Aug 18 10:54:29.609 2017] 242 root 0 -20 0 0 0 S 0 0.0 0:00.00 bioset
[Fri Aug 18 10:54:29.609 2017] 244 root 0 -20 0 0 0 S 0 0.0 0:00.00 kblockd
[Fri Aug 18 10:54:29.609 2017] 251 root 0 -20 0 0 0 S 0 0.0 0:00.00 ata_sff
[Fri Aug 18 10:54:29.609 2017] 261 root 20 0 0 0 0 S 0 0.0 0:00.00 khubd
[Fri Aug 18 10:54:29.609 2017] 424 root 0 -20 0 0 0 S 0 0.0 0:00.00 rpciod
[Fri Aug 18 10:54:29.625 2017] 436 root 20 0 0 0 0 S 0 0.0 0:00.00 kswapd0
[Fri Aug 18 10:54:29.625 2017] 491 root 20 0 0 0 0 S 0 0.0 0:00.00 fsnotify_mark
[Fri Aug 18 10:54:29.625 2017] 505 root 0 -20 0 0 0 S 0 0.0 0:00.00 nfsiod
[Fri Aug 18 10:54:29.625 2017] 515 root 0 -20 0 0 0 S 0 0.0 0:00.00 crypto
[Fri Aug 18 10:54:29.625 2017] 602 root 20 0 0 0 0 S 0 0.0 28:36.10 kworker/0:2
[Fri Aug 18 10:54:29.625 2017] 603 root 20 0 0 0 0 S 0 0.0 0:00.00 kworker/u4:1
[Fri Aug 18 10:54:29.641 2017] 1129 root 20 0 2440 1232 852 S 0 0.1 0:00.20 dropbear
[Fri Aug 18 10:54:29.641 2017] 1147 root -51 0 0 0 0 S 0 0.0 0:00.00 irq/324-2100040
[Fri Aug 18 10:54:29.641 2017] 1148 root 0 -20 0 0 0 S 0 0.0 0:00.00 21000400.spi
[Fri Aug 18 10:54:29.641 2017] 1165 root -51 0 0 0 0 S 0 0.0 0:00.00 irq/328-2100060
[Fri Aug 18 10:54:29.641 2017] 1166 root 0 -20 0 0 0 S 0 0.0 0:00.00 21000600.spi
[Fri Aug 18 10:54:29.641 2017] 1186 root -51 0 0 0 0 S 0 0.0 0:00.00 irq/332-2100080
[Fri Aug 18 10:54:29.656 2017] 1187 root 0 -20 0 0 0 S 0 0.0 0:00.00 21000800.spi
[Fri Aug 18 10:54:29.656 2017] 1250 root 0 -20 0 0 0 S 0 0.0 0:00.00 kpsmoused
[Fri Aug 18 10:54:29.656 2017] 1266 root 20 0 2616 1540 1204 S 0 0.1 0:00.01 sh
[Fri Aug 18 10:54:29.656 2017] 1301 root 0 -20 0 0 0 S 0 0.0 0:00.00 deferwq
[Fri Aug 18 10:54:29.656 2017] 1308 root 20 0 0 0 0 S 0 0.0 0:06.07 ubi_bgt0d
[Fri Aug 18 10:54:29.672 2017] 1311 root 20 0 0 0 0 S 0 0.0 0:00.35 ubifs_bgt0_0
[Fri Aug 18 10:54:29.672 2017] 1317 root 20 0 1576 528 428 S 0 0.1 1:47.47 l2_meas_cons
[Fri Aug 18 10:54:29.672 2017] 1335 root 20 0 2672 1348 768 S 0 0.1 0:00.29 udevd
[Fri Aug 18 10:54:29.672 2017] 1493 root 20 0 2488 856 448 S 0 0.1 0:00.01 udevd
[Fri Aug 18 10:54:29.672 2017] 1494 root 20 0 2608 968 440 S 0 0.1 0:00.00 udevd
[Fri Aug 18 10:54:29.672 2017] 1595 root 20 0 0 0 0 S 0 0.0 0:00.00 kworker/1:0
[Fri Aug 18 10:54:29.687 2017] 1753 messageb 20 0 2300 320 168 S 0 0.0 0:00.00 dbus-daemon
[Fri Aug 18 10:54:29.687 2017] 1758 root 20 0 2012 492 396 S 0 0.0 0:00.00 dropbear
[Fri Aug 18 10:54:29.687 2017] 1762 root 20 0 11748 856 632 S 0 0.1 0:02.39 mpmsrv
[Fri Aug 18 10:54:29.687 2017] 1767 root 20 0 4472 956 712 S 0 0.1 0:00.00 softhsm-daemon
[Fri Aug 18 10:54:29.687 2017] 1780 root 20 0 1496 248 160 S 0 0.0 0:00.00 lad_tci6630
[Fri Aug 18 10:54:29.687 2017] 1787 root 20 0 6144 2636 2056 S 0 0.3 497:23.67 syslog-ng
[Fri Aug 18 10:54:29.703 2017] 1795 root 20 0 1848 872 468 S 0 0.1 3:51.26 afe0_server
[Fri Aug 18 10:54:29.703 2017] 1797 root 20 0 1848 664 424 S 0 0.1 0:00.04 afe1_server
[Fri Aug 18 10:54:29.703 2017] 1807 root 20 0 3792 968 740 S 0 0.1 0:00.02 vsftpd
[Fri Aug 18 10:54:29.703 2017] 1840 root 20 0 0 0 0 S 0 0.0 0:00.01 ubi_bgt7d
[Fri Aug 18 10:54:29.703 2017] 1844 root 20 0 0 0 0 S 0 0.0 0:00.00 ubifs_bgt7_0
[Fri Aug 18 10:54:29.719 2017] 1847 root 20 0 0 0 0 S 0 0.0 0:03.30 ubi_bgt8d
[Fri Aug 18 10:54:29.719 2017] 1851 root 20 0 0 0 0 S 0 0.0 0:01.03 ubifs_bgt8_0
[Fri Aug 18 10:54:29.719 2017] 2034 root 20 0 3408 796 376 S 0 0.1 1:56.20 zebra
[Fri Aug 18 10:54:29.719 2017] 2051 root 20 0 18840 356 268 S 0 0.0 2:32.82 dropbear_ctrl
[Fri Aug 18 10:54:29.719 2017] 2098 root 20 0 31060 688 540 S 0 0.1 464:16.97 msgrouter.out
[Fri Aug 18 10:54:29.719 2017] 2143 root 20 0 2488 1388 948 S 0 0.1 19:22.66 spico_check_net
[Fri Aug 18 10:54:29.734 2017] 2156 root 20 0 2556 864 352 S 0 0.1 9:49.09 spico_chk_inact
[Fri Aug 18 10:54:29.734 2017] 2161 root 20 0 1932 672 548 S 0 0.1 2:25.01 lte_oamSDM
[Fri Aug 18 10:54:29.734 2017] 2182 root 23 3 39048 16m 3384 S 0 1.6 29:52.74 lte_oam
[Fri Aug 18 10:54:29.734 2017] 2209 root 20 0 1568 488 412 S 0 0.0 0:00.01 getty
[Fri Aug 18 10:54:29.734 2017] 2214 root -2 0 1364 1328 1012 S 0 0.1 1:20.19 watchdog
[Fri Aug 18 10:54:29.750 2017] 2220 root 20 0 1660 828 636 S 0 0.1 13:22.13 oam_transport_T
[Fri Aug 18 10:54:29.750 2017] 2222 root 20 0 20532 13m 1176 S 0 1.3 14:12.31 lte_tr069
[Fri Aug 18 10:54:29.750 2017] 2227 root 20 0 2364 696 588 S 0 0.1 0:35.27 crond
[Fri Aug 18 10:54:29.750 2017] 2278 root 20 0 1968 660 480 S 0 0.1 0:00.00 starter
[Fri Aug 18 10:54:29.750 2017] 2281 root 20 0 136m 2772 1944 S 0 0.3 9:51.47 charon
[Fri Aug 18 10:54:29.750 2017] 2357 root 20 0 28308 756 608 S 0 0.1 50:47.63 central_process
[Fri Aug 18 10:54:29.765 2017] 2359 root 20 0 1656 804 648 S 0 0.1 7:17.41 oam_radio
[Fri Aug 18 10:54:29.765 2017] 2360 root 20 0 1684 880 692 S 0 0.1 217:14.04 oam_system
[Fri Aug 18 10:54:29.765 2017] 2361 root 20 0 18332 10m 1656 S 0 1.1 11:12.48 lte_son_TDD
[Fri Aug 18 10:54:29.765 2017] 2362 root 20 0 43672 30m 3420 S 0 3.0 13:05.53 lte_rrm_TDD
[Fri Aug 18 10:54:29.765 2017] 2363 root 20 0 46368 12m 5276 S 0 1.3 1218:39 lte_rrc_TDD
[Fri Aug 18 10:54:29.765 2017] 2380 root 20 0 72480 2680 956 S 0 0.3 0:03.23 rfsdk_svc
[Fri Aug 18 10:54:29.781 2017] 2654 root 20 0 1316 228 184 S 0 0.0 0:00.00 sleep
[Fri Aug 18 10:54:29.781 2017] 2753 root 20 0 1316 228 184 S 0 0.0 0:00.00 sleep
[Fri Aug 18 10:54:29.781 2017] 2836 root 20 0 0 0 0 S 0 0.0 2:25.52 kworker/u4:3
[Fri Aug 18 10:54:29.781 2017] 2865 root 20 0 5040 1364 836 S 0 0.1 161:24.40 netfpproxy.out
[Fri Aug 18 10:54:29.781 2017] 2885 root 20 0 2220 964 744 R 0 0.1 0:00.01 top
[Fri Aug 18 10:54:29.781 2017] 2887 root 20 0 1296 388 332 S 0 0.0 0:15.92 log_rotate
[Fri Aug 18 10:54:29.781 2017] 2889 root 20 0 10836 680 560 S 0 0.1 4:01.94 phy_meas_svc
[Fri Aug 18 10:54:29.781 2017] 2891 root 20 0 1888 672 552 S 0 0.1 16:01.00 l2_log_stat_con
[Fri Aug 18 10:54:29.781 2017] 2893 root 20 0 1660 644 536 S 0 0.1 11:27.49 l2_consumer
[Fri Aug 18 10:54:29.781 2017] 3214 root 20 0 0 0 0 S 0 0.0 0:00.00 kworker/0:0
===
On the attached log file, you can find out that Cpu1 usage is higher than 70% always, but cannot find out high load tasks.
How can I understand ?
Is there any other checking point to clarify the high load?
Thanks,
Shinha