Example: Simple Call Counter in C

C
C++
C#
Java
Python
PHP
// Simple Call Counter
#include <stdio.h>

// Global counter for calls
static long long total_function_calls = 0;

void my_function_to_monitor() {
    total_function_calls++;
    // Simulate some work done by the function
    // For example, printf(".");
}

int main() {
    // Step 1: Call the function multiple times
    printf("Simulating calls to my_function_to_monitor...\n");
    for (int i = 0; i < 1000000; i++) {
        my_function_to_monitor();
    }

    // Step 2: Report the total number of calls
    printf("Total calls to my_function_to_monitor: %lld\n", total_function_calls);

    printf("\nResetting counter and simulating again for 500,000 calls...\n");
    total_function_calls = 0; // Resetting for a new measurement
    for (int i = 0; i < 500000; i++) {
        my_function_to_monitor();
    }
    printf("Total calls to my_function_to_monitor: %lld\n", total_function_calls);

    return 0;
}