Linux User Space Drivers with Interrupts. Writing device drivers in Linux requires some kernel knowledge and some rules must be followed. Writing a user space application that drives the device can be simpler to write and debug. This article explains how to implement a simple user space driver to a memory-mapped device. Checkinstall to Create Deb Packages from Source.

Blueblog - by Christian J. On malware, botnets and security by Christian J. Performance Profiling Analysis using perf. Since most of the time we have to develop code that has to run fast. On a multicore system, the performance overhead induced by perf while monitoring a single-threaded application is hardly .

Rpms in chemistry for centos and fedora. The building tool chain broke a long time ago on my webserver and I never managed to fix it. Since then the repository died. Given the really low use of it it did not had much effect. Compression and crystallograpic 2D images. After looking at the Cholesky factorization problem, ti.

Trying to understand how computers work. Saturday, February 17, 2018. Some rules for designing libc style APIs. Identifiers should not have vowels; they are expensive and difficult to type. An identifier must not be longer than 8 characters. The only exception are functions intended for standardization like. Functions must not be reentrant. Relying on internal state means you can avoid allocating memory.

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This is a review of a reversible debugger. Eclipse, DDD, and also the IDE I use at work. Which is GNAT Programming Studio. Like features provided by IDEs, or the invaluable error-detection capabilities of Valgrind. I first saw a reversible deb.

Sandboxes are a good idea. Or isolating your apps from the rest of the system, sandboxes just make sense. Despite their obvious benefits, they are still relatively uncommon. We think this is because they are still relatively obscure for most developers and hope this post will fix that. Seen in the wild as more and more users updated to sandbox-enabled versions of Adobe-Reader. Library, but Samba won since our .

Friday, 26 January 2018. How to modify kernel modules without recompiling the whole Linux kernel. Do you need to recompile your Linux kernel in order to make a change to a module? What if you just want to try to fix a small bug while running a distro kernel package? The Linux kernel source tree is large and rebuilding from scratch is a productivity killer. This article covers how to make changes to kernel modules without rebuilding the entire kernel.

Sunday, February 11, 2018. The first part might be old news if you follow phoronix. I mentioned basic a5xx compute shader support. Ilia Mirkin also implemented indirect draw, stencil texture, and ARB framebuffer no attachments.

How To Measure the Working Set Size on Linux. Solaris to Linux Migration 2017.