andreastaliad/fork_vs_thread
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make proc sampling at step only to avoid fork creation overhead

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andreastaliad
2026-05-25 13:23:35 +03:00
parent 5cddd0c928
commit 9f1cdc4c9e
1 changed files with 2 additions and 13 deletions
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fork_bomb/fork_bomb.c
+1 -12
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@@ -263,8 +263,6 @@ int main(void)
fprintf(csv, "timestamp,elapsed_s,load1,load5,load15,mem_total_kb,mem_available_kb,mem_used_kb,proc_count,thread_count_total,pid,cpu_pct,sys_cpu_pct,forks_per_sec,rss_kb,vsz_kb,stack_kb,heap_kb,proc_threads\n"); fprintf(csv, "timestamp,elapsed_s,load1,load5,load15,mem_total_kb,mem_available_kb,mem_used_kb,proc_count,thread_count_total,pid,cpu_pct,sys_cpu_pct,forks_per_sec,rss_kb,vsz_kb,stack_kb,heap_kb,proc_threads\n");
long count = 0; long count = 0;
long prev_proc_count = 0;
long proc_accum = 0;
double start_uptime = read_uptime(); double start_uptime = read_uptime();
long prev_cpu_total = 0; long prev_cpu_total = 0;
@@ -295,17 +293,8 @@ int main(void)
count++; count++;
if (count % proc_step == 0) {
long proc_count = count_processes(); long proc_count = count_processes();
if (prev_proc_count > 0) {
long delta = proc_count - prev_proc_count;
if (delta > 0) {
proc_accum += delta;
}
}
prev_proc_count = proc_count;
if (proc_accum >= proc_step) {
proc_accum = 0;
double now_uptime = read_uptime(); double now_uptime = read_uptime();
double elapsed_s = now_uptime - start_uptime; double elapsed_s = now_uptime - start_uptime;