By Sreekrishnan Venkateswaran

Debugging Linux Systems discusses the most instruments to be had this present day to debug 2.6 Linux Kernels. we begin by way of exploring the likely esoteric operations of the Kernel Debugger (KDB), Kernel GNU DeBugger (KGDB), the obvious GNU DeBugger (GDB), and JTAG debuggers. We then examine Kernel Probes, a function that allows you to intervene right into a kernel functionality and extract debug info or observe a medicated patch. interpreting a crash sell off can yield clues for postmortem research of kernel crashes or hangs, so we look at Kdump, a serviceability software that collects a procedure sell off after spawning a brand new kernel. Profiling issues you to code areas that burn extra CPU cycles, so we learn how to use the OProfile kernel profiler and the gprof software profiler to feel the presence of code bottlenecks. simply because tracing presents perception into behavioral difficulties that happen in the course of interactions among assorted code modules, we delve into the Linux hint Toolkit, a approach designed for high-volume hint capture.


The part “Debugging Embedded Linux” takes a travel of the I/O interfaces normally came upon on embedded undefined, reminiscent of flash reminiscence, serial port, PCMCIA, safe electronic media, USB, RTC, audio, video, contact monitor, and Bluetooth, and gives tips that could debug the linked gadget drivers. We additionally decide up a few board-level debugging talents with the aid of a case examine. The part “Debugging community Throughput” takes you thru a few machine driving force layout concerns and protocol implementation features which could have an effect on the horsepower of your community interface card. We finish the shortcut by way of studying numerous ideas to be had within the kernel configuration menu that may emit priceless debug information.

Show description

Read or Download Debugging Linux Systems PDF

Similar two hours or more books

The Evacuation of North Russia 1919

The Evacuation of North Russia 1919 КНИГИ ;ВОЕННАЯ ИСТОРИЯ Год: 1919Страниц: 54Формат: PDFЯзык: английскийРазмер: five. forty six Мб ifolder. ru zero

The Last Spaceship

Kim Rendall won't yield to the tyranny of the power-madrulers of Alphin III. Branded an outlaw, he's at risk of mental torture worse than dying from the Disiplinary Circuit, which retains the loads in payment. His one wish lies within the Starshine, an outdated spaceship. In an international the place teleportation is the norm, nobody travels via interstellar vessel anymore.

The 50 Best Thai Recipes. Tasty, Fresh, and Easy to Make!

They're speedy. they are flavorful. and they are correct at your fingertips. The 50 top Thai Recipes is an appetizing number of scrumptious dishes that carry your eating place favorites correct for your kitchen. From Pad Thai to Fiery red meat Salad, there is lots integrated so that you can whip up pleasurable and engaging snacks and foodstuff.

ABC's of Concealed Carry : A Cop's Guide to the Real World of Going Armed

From the introduction:I've carried a hid handgun for greater than thirty years, but when you think that this e-book is ready me attempting to convince you to hold one too, you'd be unsuitable. For 27 of these years i used to be a cop. I realized in a short time that the police cannot guard person electorate from violence.

Extra info for Debugging Linux Systems

Example text

By Sreekrishnan Venkateswaran This publication is protected by copyright. Please see page 2 for more details. Com SECTION #2 Kernel Probes 00000000 : 0: 55 push %ebp 1: bd 00 40 00 00 mov $0x4000,%ebp 6: 57 push %edi 7: 56 push %esi 8: 53 push %ebx 9: bb 00 f0 ff ff mov $0xfffff000,%ebx e: 81 ec 90 00 00 00 sub $0x90,%esp ... 7a: 83 f8 0a cmp $0xa,%eax → Point A ptg5994185 7d: 74 2b je aa 7f: 83 f8 09 cmp $0x9,%eax 82: 75 cc jne 50 ... a9: c3 ret aa: a1 00 00 00 00 mov 0x0,%eax → Point B af: 85 c0 test %eax,%eax b1: 0f 8e b5 00 00 00 jle 16c b7: 81 fd 7b f6 00 00 cmp $0xf67b,%ebp ...

25 ptg5994185 Kexec and Kdump . . . . . . . . . . . . 41 Sreekrishnan Venkateswaran Profiling. . . . . . . . . . . . . . . . . . . 54 Tracing. . . . . . . . . . . . . . . . . . . . 61 Debugging Embedded Linux. . . . 67 Debugging Network Throughput. . . . . . . . . . . . . . . . 83 Linux Test Project. . . . . . . . . . . . 86 User Mode Linux . . . . . . . . . . . . . 87 Diagnostic Tools .

Com Kernel Debuggers Investing time in logic design and software engineering before code development and staring hard at the code after development can minimize or even eliminate bugs. But because that is easier said than done, and because we are all humans, developers need debugging tools. In this shortcut, let’s explore a variety of methods to debug kernel code. The techniques described here have been stitched together from different parts of the book Essential Linux Device Drivers (Prentice Hall Open Source Software Development Series, ISBN 978-0-132-39655-4).

Download PDF sample

Rated 4.84 of 5 – based on 30 votes