example3_stats.c

/**
 * Example 3: Statistics Collection
 * 
 * Demonstrates aggregated statistics over multiple measurements
 */

#include "profiler.h"
#include <stdlib.h>
#include <unistd.h>

void simulate_work(int ms) {
    usleep(ms * 1000);
}

void run_benchmark(int iterations) {
    profiler_stats_t stats;
    profiler_stats_init(&stats, "benchmark");
    
    printf("Running %d iterations...\n", iterations);
    
    for (int i = 0; i < iterations; i++) {
        profiler_timer_t timer;
        profiler_timer_start(&timer, "iteration");
        
        /* Simulate variable workload */
        int work_time = 5 + (rand() % 15);
        simulate_work(work_time);
        
        profiler_timer_stop(&timer);
        profiler_stats_add(&stats, profiler_timer_elapsed_ns(&timer));
    }
    
    printf("\n");
    profiler_stats_print(&stats);
}

int main(void) {
    profiler_init();
    srand(12345);
    
    printf("=== Example 3: Statistics Collection ===\n\n");
    
    run_benchmark(10);
    
    profiler_shutdown();
    return 0;
}