Performance Analysis and Tuning
for Linux x86
SarCheck for Linux
SarCheck is a Linux & UNIX performance analysis and performance tuning tool. It is designed to help you with performance management on most Oracle Solaris, Linux, AIX, and HP-UX systems by making recommendations and explaining them with plain text, supporting graphs, and tables.
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How SarCheck for Linux Makes a Difference

SarCheck makes recommendations, draws graphs, and does things that no other tool does. It looks at CPU, memory, and I/O resources, and also looks at a number of tunable parameters in the Linux kernel. We think it's way more than a monitoring tool or utility and we hope you'll try it and let us know what you think. Please contact your sales rep for more information or if you'd like to try it. Here is some recent output from the current version of SarCheck for Linux and a page that shows some of the illuminating graphs we can produce when gnuplot is available. Interestingly, the /proc filesystem is so easy to parse that we don't need to use any of the sar products that exist for Linux. Yes, this means that the /proc filesystem needs to be mounted, but that's true for over 95% of the systems we've seen so far and the sar products need /proc as well. We have not tested SarCheck for Linux x86 with every Linux kernel and hardware combination, but with the help of beta testers and customers we've been running on most of the popular kernels in Red Hat, SuSE, and Debian distributions. SarCheck is also available for Solaris, AIX, and HP-UX, but check with us about very new releases. We plan to natively support Linux on processors other than x86 when the demand justifies it and we support Redhat, SuSE, and most popular distributions.

What we mean by Linux x86 is that the software will run as a 32-bit x86 binary. If your Itanium, Opteron, etc. system can emulate an x86, the software should run fine and is efficient enough that SarCheck performance should not be a concern.

About "kernal": Yes, we know it's spelled kernel, but a lot of people spell it with an "a" when they search for it. If we don't use the incorrectly spelled "linux kernal" in the text of this page, we don't show up in the search results.

This picture of Tux was taken at the NordU2001 Conference in Stockholm (we've been at this for a while). The hat is one of the thousands of propeller hats that we give away at conferences around the world. Our neighbors in the Cendio stand were nice enough to put one of our huts on Tux so we're thanking them with this link to their site, www.cendio.se. The original Tux was created by Larry Ewing using The GIMP.

Please note: We no longer ship Linux eval software using our order form because the number of frivilous requests was staggering. Existing customers who would like to try SarCheck for Linux should contact their sales rep.



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