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I am Dave Jing Tian, an Assistant Professor in the Department of Computer Science at Purdue University working on system security. My research involves embedded systems, operating systems, trusted and confidential computing, and hardware security and trust. All opinions are my own.
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Tag Archives: DCA
Valgrind – dynamic code analysis tool – part V – valgrind: failed to start tool ‘memcheck’ for platform …
This post contains certain error message when ‘Valgrind’ is called: valgrind: failed to start tool ‘memcheck’ for platform ‘XXXXXX’: No such file or directory. There is a tricky question – can 32-bit valgrind be run on 64-bit platform? The answer is … Continue reading
Valgrind – dynamic code analysis tool – part IV – DRD
Valgrind – DRD – while Helgrind is the major tool for concurrency issue detection, some options of DRD are also helpful on debugging concurrency issue, especially –exclusive-threshold, used to report mutex locked for long, and –shared-threshold, used to report shared … Continue reading
Valgrind – dynamic code analysis tool – part III – Helgrind
Valgrind – Helgrind – concurrency issue detection. # Helgrind http://valgrind.org/docs/manual/hg-manual.html –tool=helgrind [root@localhost valgrindTest]# cat simpleDataRace.c /* Code from Valgrind Manual */ #include <pthread.h> int var = 0; void* child_fn ( void* arg ) { var++; /* Unprotected relative to parent … Continue reading
Valgrind – dynamic code analysis tool – part II – fd leak
Valgrind – File descriptor (fd) leak detection trial # File descriptor (fd) leak detection –track-fds=yes [root@localhost valgrindTest]# cat fdLeakTry.c /* daveti’s stupid code for fd leak */ #include <stdio.h> int main( int argc, char *argv[]) { FILE *fdPtr = fopen(“daveti.log”, … Continue reading
Valgrind – dynamic code analysis tool – part I – basic trial and hints
We are recently trying to find a tool providing the ability for concurrency issue detection. For this topic, generally, I believe in 3 steps: 1. CPR (capacity, performance, redundancy) testing, 2. Static code analysis, 3. Dynamic code analysis. CPR testing … Continue reading
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