1-build.sh

#!/bin/bash
cc -o foo foo.c -ggdb -O0 #-fno-omit-frame-pointer

2-record.sh

#!/bin/bash
perf record -g --call-graph dwarf -- ./foo

3-report.sh

#!/bin/bash
perf report -g --stdio --sort=time

foo.c

#include <stdio.h>

void hello()
{
   printf("Hello!\n");
}

int main()
{
   for (int i = 0; i < 10; i++)
      hello();

   return 0;
}