test_open.stp

// Shorter version of the same, failed after 400 driver restarts

/*
Load and run:
scl enable devtoolset-4 bash 
stap -g -p4 -m test_open  -v -k test_open.stp
count=0;while [ 1 ];do echo $count;count=$(($count+1));sudo rmmod test_open;sudo staprun test_open.ko -L  ;done;
*/

global ARRAY_FILENAME%
global ARRAY_TIMESTAMP%

function current_time:long()
%{  /* pure */
	STAP_RETURN(0);
%}

probe syscall.open
{
	tid = tid()
	ARRAY_FILENAME[tid] = filename
	ARRAY_TIMESTAMP[tid] = current_time()
}

probe syscall.open.return
{
	tid = tid();	
	delete ARRAY_FILENAME[tid]
	delete ARRAY_TIMESTAMP[tid]
}