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/* SPDX-License-Identifier: GPL-2.0 */
#include <signal.h>
#include <stdlib.h>
#include <linux/compiler.h>
#include <unistd.h>
#include "../tests.h"
/* We want to check these symbols in perf script */
noinline void leaf(volatile int b);
noinline void parent(volatile int b);
static volatile int a;
static volatile sig_atomic_t done;
static void sighandler(int sig __maybe_unused)
{
done = 1;
}
noinline void leaf(volatile int b)
{
while (!done)
a += b;
}
noinline void parent(volatile int b)
{
leaf(b);
}
static int leafloop(int argc, const char **argv)
{
int sec = 1;
if (argc > 0)
sec = atoi(argv[0]);
signal(SIGINT, sighandler);
signal(SIGALRM, sighandler);
alarm(sec);
parent(sec);
return 0;
}
DEFINE_WORKLOAD(leafloop);
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