Embedded Linux S3C2440 Profiling

Summary OProfile is a profiling system can do profiling on all parts of a running system from the kernel to shared libraries and to binaries. It can work in the background, collecting information at a low overhead, it is ideal for profiling the entire system to determine the bottle necks in a real running system. […]

Embedded Linux S3C2440 – Multi-thread Scheduling

Summary Test the debugging of the Multi-thread Scheduling on embedded Linux S3C2440, both in All-stop mode and Non-stop mode. GDB supports multi-thread application debugging, and there are two modes of controlling the execution of the program with GDB dubugger. All-stop mode is the default mode, when the thread of the program stops (at a break […]

India Mumbai, Pune trip – 5 – Pune

I had India trip from 30th Nov. to 14th Dec.2018, and stayed in Pune for around one week. Pune is the second largest city in the Indian state of Maharashtra. As it was business trip, I didn’t go anywhere, just stayed at hotel and went to customer office. Moledina Road SGS Mall, there were a […]

Embedded Linux S3C2440 – Kernel Debugging

Summary Conduct Kernel debugging test on Embedded Linux S3C2440 by using KGDB. KGDB has been integrated into Linux kernel from version 2.6.15, it requires a serial connection to the development host. It is a cross GDB running on the development host workstation. Refer to earlier blog entry Embedded Linux S3C2440 – Kernel Module, all the […]

Kim Keat Beacon BTO at Toa Payoh in May 2018

Unsuccessful BTO I had made quite a few BTO (Build-To-Order) applications, which include: 5-room flat at Alkaff Vista (Nov. 2015), 5-room flat at Alkaff Oasis (Feb. 2016), 4-room flat at Kallang Residences (Nov. 2016), 5-room flat at Clementi (Feb. 2017), and 4-room flat at Dakota Breeze (May 2017). All BTO I chose were hot thus […]

Flicker allows 1,000 photos and videos maximum now

I was always using Flicker to upload the photos and picture to be used in my blog entries. Flicker is a very good platform to share the photos, very easy to use. There was a embed function, but I didn’t use the embed code, just copy out the image address and use it directly in […]

Online BMC(Bloomberg Market Concepts) study at NUS CAMRI lab

Last semester I selected Fund Management elective module, one of my classmates told me that we can have access to NUS Business school CAMRI lab at the 3rd floor of Mochtar Riady Building. There are Bloomberg Terminal in the lab, and we can study the BMC (Bloomberg Market Concepts) in the lab for free. BMC […]

Embedded Linux S3C2440 – Kernel Module

Summary Embedded Linux device driver is part of Linux kernel, application will use Linux device driver to interact with Linux Kernel. You can compile the driver into the kernel or you can compile the driver into module, load and use the module. Application programs have a main() function, where Linux drivers have macro module_init to […]

NUS MBA module BMA 5001 Managerial Economics in semester 2

BMA 5001 Managerial Economics is a core module in semester 2 for part time students, every Monday 6:30pm – 9:30pm, from January to end of April. This module was mainly about microeconomic, includes: the market demand and supply, Behavioral Economics, Competitive market, Monopoly market, Price Discrimination, Two Part Pricing and Bundling and Game Theory etc. […]

Embedded Linux S3C2440 Networking

Summary Embedded S3C2440 Mini2440 system has limited amount of storage available on the board for the application code. We can use the network interface to provide and expansion to the file system by mounting a network file system to the board. And we con use telnet network interface to login into embedded S3C2440 Mini2440 board. […]

M	T	W	T	F	S	S
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30	31