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I understand on Linux systems there is getrusage() API for finding the CPU usage for the current process. Is there an API like that for getting the system CPU usage in terms of percent? Or should I simply go for the solution discussed at https://unix.stackexchange.com/a/21564 where I manually read /proc/stat? What do software like htop and top use to find user, sys, idle, etc?
Thanks in advance.
top interrogates /proc/stat, to the best of my knowledge there's no API for what you're asking.
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As the title says, I'm wondering if there's an open-source, drop-in replacement for Google's Task Queue. The closest I've been able to find so far is celery, but that's not really what I'm looking for.
AppScale includes a TaskQueue component, but whether it is drop-in will depend where you drop it.
Not exactly TaskQueue, but RabbitMQ and ActiveMQ could be decent drop-in replacements.
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I have a client/server simple program in C. I want to test the server running on different machine with random inputs. I have looked at 'Bunny-the-fuzzer' but from what I can understand It wont be much help when the target program/application is on remote machine.
Can someone recommend me any other available tools for testing such network programs ?
Thanks
If it is still relevant there are numerous products that can fuzz network products, from open source tools like SPIKE and Peach to commercial fuzzers like beSTORM
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I've convinced my boss (for the second time actually - 2 different companies) to invest in new workstations with SSD's and I need to do a before and after benchmarking. I don't want to rely on timing VS2010 opening a solution, compile time etc. Does anyone know a good benchmarking tool for this purpose - not only disk IO, but also CPU etc.
There are many programms which let you do benchmarks on cpu,harddisk, gpu....
Maybe this website provides a solution for you :
http://www.makeuseof.com/tag/5-free-benchmark-programs/
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Is there an API or database I can access or is it a proprietary project?
The Music Genome Project is owned by Pandora Media, Inc. Unless you get into contact with them directly (and even if you ask nicely), I don't think you'll gain any access to it.
There is no Pandora API that currently exists, but I found something that might be helpful:
http://code.google.com/p/openpandora/
If you look into this, it should provide a little bit of insight into how to connect to pandora and use some of its services.
TlDr: No, not directly anyways.
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I am a newbie to linux, I want to understand the internal working of mount command. Can any one guide me to any good document or a book that explains the working. I would be very glad if anyone can even tell me any good book to understand the working of filesystem. Thanks in advance.
I have a suspicion that some aspects of it are out of date, but this document introduces the internals of some key parts of the VFS system which it sounds like you're interested in. There's also documentation about VFS registration and mounting in the kernel tree too.