Untitled

include <stdio.h>
#include <unistd.h>

struct Point {
    int x;
    int y;
};

int baz(int a, char *s, struct Point p) {
    printf("baz(%d, %s, {x=%d, y=%d})\n", a, s, p.x, p.y);
    return p.x + p.y + a;
}

int main() {
    struct Point p1 = {10, 20};
    struct Point p2 = {30, 40};
    struct Point p3 = {50, 60};

    baz(1, "foo", p1);
    sleep(1);
    baz(2, "bar", p2);
    sleep(1);
    baz(3, "baz", p3);

    return 0;
}




gcc -O0 -g -o app3 app3.c


sudo bpftrace -e '
struct Point { int x; int y; };

uprobe:./app3:baz {
    $p = *(struct Point *)arg2;
    printf("baz(a=%d, s=%s, p={x=%d, y=%d})\n", arg0, str(arg1), $p.x, $p.y);
}
' -c ./app3