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Bug #914 » hello.c

hello.c - jia fang, 08/31/2015 09:44 PM

 
#include <stdio.h>
#include "hello-tp.h"

int main(int argc, char* argv[])
{
int x;

puts("Hello, World!\nPress Enter to continue...");

/* The following getchar() call is only placed here for the purpose
* * of this demonstration, for pausing the application in order for
* * you to have time to list its events. It's not needed otherwise.
* */
getchar();

/* A tracepoint() call. Arguments, as defined in hello-tp.tp:
* *
* * 1st: provider name (always)
* * 2nd: tracepoint name (always)
* * 3rd: my_integer_arg (first user-defined argument)
* * 4th: my_string_arg (second user-defined argument)
* *
* * Notice the provider and tracepoint names are NOT strings;
* * they are in fact parts of variables created by macros in
* * hello-tp.h.
* */
for(;;)
{
sleep(1);
tracepoint(hello_world, my_first_tracepoint, 23, "hi there!");

for (x = 0; x < argc; ++x) {
tracepoint(hello_world, my_first_tracepoint, x, argv[x]);
}
}

puts("Quitting now!");

tracepoint(hello_world, my_first_tracepoint, x * x, "x^2");

return 0;
}
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