mysqlperformance.blogspot.com

PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT

The goal of this project to provide a performance analysis tool for a MySQL storage engine PrimeBase XT. In contrast to traditional profiling tools, we focus on how to capture the impact of the resource contention through measuring the time spent on waiting critical resources, such as I/O, memory and locks. We also try to provide context information to help developers to identify the critical path. This is a Google Summer Code 2007 Project.

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PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT | mysqlperformance.blogspot.com Reviews

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The goal of this project to provide a performance analysis tool for a MySQL storage engine PrimeBase XT. In contrast to traditional profiling tools, we focus on how to capture the impact of the resource contention through measuring the time spent on waiting critical resources, such as I/O, memory and locks. We also try to provide context information to help developers to identify the critical path. This is a Google Summer Code 2007 Project.

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PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT | mysqlperformance.blogspot.com Reviews

https://mysqlperformance.blogspot.com

The goal of this project to provide a performance analysis tool for a MySQL storage engine PrimeBase XT. In contrast to traditional profiling tools, we focus on how to capture the impact of the resource contention through measuring the time spent on waiting critical resources, such as I/O, memory and locks. We also try to provide context information to help developers to identify the critical path. This is a Google Summer Code 2007 Project.

INTERNAL PAGES

mysqlperformance.blogspot.com

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PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT: Aspect-oriented C ( ACC ) Set Up

http://mysqlperformance.blogspot.com/2007/07/aspect-oriented-c-acc-set-up.html

PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT. Sunday, July 15, 2007. Aspect-oriented C ( ACC ) Set Up. First, we download ACC from www.aspectc.net and make it following the README. ACC script tacc can automatically compile aspect files (with suffix .acc) with regular .c files. To use tacc, we need setup several environment variables:. For example, in .bashrc. Export PATH=$PATH:.:/ACC PATH/bin. Export SRCROOT=/PBXT SOURCE CODE PATH/src. CXXLINK = $(LIBTOOL) - tag=CXX ….

2

PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT: August 2007

http://mysqlperformance.blogspot.com/2007_08_01_archive.html

PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT. Sunday, August 12, 2007. More explanation on print stacktrace. If defined( i386 ) defined( x86 64 ). Uchar* new fp = (uchar* )*fp;. Fprintf(stderr, "%p n", frame count = sigreturn frame count? Fp SIGRETURN FRAME OFFSET) : *(fp 1) ;. Endif /* defined( 386 ) defined( x86 64 ) */. Fp = new fp;. As suggested by Paul,. If it is a signal frame, its frame OFFSET is different. It is defined by SIGRETURN FRAME OFFSET. New fp = *fp;.

3

PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT: Using Aspect C to Profile PBXT

http://mysqlperformance.blogspot.com/2007/06/using-aspect-c-to-profile-pbxt.html

PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT. Sunday, June 24, 2007. Using Aspect C to Profile PBXT. Since our goal is to find a tool for profiling while we don't want to change/modify the existing code. So we chooses the Aspect-oriented C. Tool as the profiling language. Long pbxt profile pread access time;. Long pbxt profile pread freq;. Int around(): execution(int pread(.) {. Struct timeval start time;. Struct timeval end time;. Gettimeofday(&start time,NULL);. Int val = proceed();.

4

PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT: use backtrace to get call stack information (GNU C library)

http://mysqlperformance.blogspot.com/2007/07/use-backtrace-to-get-call-stack.html

PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT. Sunday, July 22, 2007. Use backtrace to get call stack information (GNU C library). We can use GNU C lib backtrace functions to get call stack on Linux OS. Char * backtrace symbols. In order to get the symbols, we need pass. To the ELF linker, on targets that support it. This instructs the linker to add all symbols, not only used ones, to the dynamic symbol table. Compile: gcc -o mytrace mytrace.c -rdynamic. Obtained 6 stack frames. Size t i;.

5

PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT: more explanation on print_stacktrace

http://mysqlperformance.blogspot.com/2007/08/more-explanation-on-printstacktrace.html

PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT. Sunday, August 12, 2007. More explanation on print stacktrace. If defined( i386 ) defined( x86 64 ). Uchar* new fp = (uchar* )*fp;. Fprintf(stderr, "%p n", frame count = sigreturn frame count? Fp SIGRETURN FRAME OFFSET) : *(fp 1) ;. Endif /* defined( 386 ) defined( x86 64 ) */. Fp = new fp;. As suggested by Paul,. If it is a signal frame, its frame OFFSET is different. It is defined by SIGRETURN FRAME OFFSET. New fp = *fp;.

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PAT: A Performance Analysis Tool for MySQL Storage Engine PBXT

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