This is personal notebook for ARM64 performance tuning.
Read more »ARM64 Linux Performance Tuning
Posted by richliu
on 2021/05/19
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Intel Coffee Lake Ubuntu Linux 速度太慢
Posted by richliu
on 2021/04/15
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這個也是怪自己，最近因為 Windows VM 不知道為什麼速度變很慢，所以改用 Linux 跑 VM ，雖然 Linux 下 VM 速度比 Windows 快，但是整體的感覺還是慢．本來以為是我的 i5-9600k VM 表現不好，但是看著 CPU utilization 感覺還是怪
Read more »Windows 10 存取 Ubuntu Samba 問題
Posted by richliu
on 2021/04/15
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[Gentoo][ARM64] Compile qtwebengine fail
Posted by richliu
on 2021/03/23
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If CPU number is too much, compile qtwebengine will fail, seems ninja compile issues.
it better to reduce CPU number under 8, batter number is 4 or 6.
just put MAKEOPTS=”-j 4″ on your /etc/portage/make.conf
It can be roll back after compile qtwebengine.
modify package.env can support special MAKEOPTS command on some packages.
ex:
echo "dev-qt/qtwebengine lowcpu.conf" | sudo tee -a /etc/portage/package.env
mkdir -p /etc/portage/env
echo "MAKEOPTS=\"-j4\"" | sudo tee /etc/portage/env/lowcpu.confref.
[SOLVED] emerging qtwebengine-5.7.1
Memory problems on QtWebEngine build
htop more column for mass CPUs
Posted by richliu
on 2021/03/22
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htop can support multiple columns in one screen, just press F2 enter setup mode, and change left column and right column to CPUs (1-4/8) [Bar] and CPUs (5-8/8) [Bar]
htoprc , put it on /etc/htoprc or ~/.config/htop/htoprc
# Beware! This file is rewritten by htop when settings are changed in the interface.
# The parser is also very primitive, and not human-friendly.
fields=0 48 17 18 38 39 40 2 46 47 49 1
sort_key=1
sort_direction=1
hide_threads=0
hide_kernel_threads=1
hide_userland_threads=0
shadow_other_users=0
show_thread_names=0
show_program_path=1
highlight_base_name=0
highlight_megabytes=1
highlight_threads=1
tree_view=0
header_margin=1
detailed_cpu_time=0
cpu_count_from_zero=0
show_cpu_usage=1
show_cpu_frequency=0
update_process_names=0
account_guest_in_cpu_meter=0
color_scheme=0
enable_mouse=1
delay=15
left_meters=LeftCPUs4 Memory Swap
left_meter_modes=1 1 1
right_meters=RightCPUs4 Tasks LoadAverage Uptime
right_meter_modes=1 2 2 2
華為手機關掉音樂接上藍芽後的自動撥放
Posted by richliu
on 2021/03/17
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KDE Plasma CPU High Usage After Install Nvidia Driver
Posted by richliu
on 2021/03/07
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My notebook with RTX3060 has this issue after do something I don’t know. OS is Ubuntu 18.04
Everything is ok after first time install RTX3060, there is no high cpu issue, but after install IME(gcin), nomachine and anydesk and do something I don’t remember, plasma high cpu usage issue happened.
Google 雲端硬碟搬家
Posted by richliu
on 2021/03/05
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Mitsubishi Lossnay 全熱交換器功能筆記
Posted by richliu
on 2021/02/28
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Mobaxterm Thinkpad Page Left/Right
Posted by richliu
on 2021/02/26
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