Help needed: GCOV - not getting HOW TO!!!

From: prashanth M D
Date: Wed Jan 19 2005 - 02:27:27 EST




Hello,

I got your id from google..
I have just started working on kernel code coverage project...

I have patched my kernel and i have configured the gcov kernel module support.
I compilied my module and i run insmod and i got my module executed.
But i am not getting the .da file in /proc/gcov/kernel for my module...
my sample module looks somthing like this,

#include<linux/module.h>
#include<linux/kernel.h>
#include<linux/config.h>

MODULE_LICENSE("GPL");

int init_module (void){


printk("HELLO WORLD");
return 0;
}

void cleanup_module (void){

printk ("In cleanup module NTPL \n");

}

the commands are as follows...

1. gcc -D__KERNEL__ -DMODULE -DLINUX -O2 -Wall -Wstrict-prototypes
-fno-strict-aliasing -fno-strict-aliasing
-c -o test.o -fprofile-arcs -ftest-coverage test.c

2. insmod gcov-proc.o

3. insmod test.o

This must generate a test.da file in /proc/gcov/kernel/
according to a manual i have but i am not
getting this file generated...

I am using :
kernel version linux-2.4.18
gcc compiler version 3.0.4


Please tell me where i am going wrong.

Please help me out...

Thanking you,

Prashanth M D
Phone : 9886340890

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