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Closed 1 year ago.
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I have Chromium running on an embedded linux ARM system. What would be the best way to reduce its memory usage? I have tried running it with the "--single-process" switch, but that did not help much.
Are there any other command line switches or tips to get chromium to use less memory?
Thank you!
Pass this flags in Arguments to reduce the chromium memory usage
--disable-gpu
You can also refer this link: https://peter.sh/experiments/chromium-command-line-switches/
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Closed 2 years ago.
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I would like to know how to use grub and what it is used for. I would also like to know if I can boot freebsd and linux with grub. I have googled it but couldn't find much
grub is a bootloader that allows you to boot multiple distros and or kernels. Your motherboard should allow you to boot multiple partitions.
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Closed 6 years ago.
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How I can find out how much /tmp space is required by an application. Generally sometime I see /tmp is full and get error saying not able to write to /tmp. So is there any way to find out how much /tmp space is required by an application ?
There is no way. Programs use /tmp on an ad-hoc basis.
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Closed 8 years ago.
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I want to modify sched.h to add in some scheduling algorithm. I use find / -name sched.h command finding a lot of results.But which one should I really modify ?
And in /usr/src,there are a lot of relating folders whose names are similiar. I'm using ubuntu14.04. Where are my real source code?
use uname -a to see which kernel you are currently running. After that, i would edit the /include/linux/sched.h for that kernel.
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Closed 9 years ago.
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I'm looking for a way to see if a kernel module is really used, in my case aesni-intel.
I see that it's loaded in lsmod|grep aes and also used by other aes modules and crypto helper.
But i can't see if tools like cryptsetup or libreswan ipsec are using the module.
I see that the performance is better when loaded but sometimes that's not enough.
I also tried "perf top" and i see that aes_enc_blk is called but that's no ensurance either.
So if anyone has any idea how to achieve this, besides patching the linux kernel to log something when aesni-intel is called, i would appreciate it.
thanks
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Closed 9 years ago.
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I have a rogue Apache process running on a Centos 6 Linux server, which is running up to 55% CPU and wondered how I can scrutinise exactly what function(s) it is performing? From the 'top' command I have its process ID, but how can I drill in to what it's up to?
Thank you
If you really want to see what it's doing, get familiar with the strace command. It will show you the system calls your process is making, but I imagine it would be a terrible tool for finding out performance issues. For that, take a look at something like gprof.