static void delregion(region r)
{
nochildren(r);
VALGRIND_DESTROY_MEMPOOL(r);
VALGRIND_MAKE_WRITABLE(r, sizeof(struct page));
free_all_pages(r, &r->normal);
// VALGRIND_DO_QUICK_LEAK_CHECK;
// VALGRIND_FREELIKE_BLOCK(r, 0);
// fprintf(stderr, "##delregion: r->normal.page.end = %p\n", r->normal.page.end);
// fprintf(stderr, "## r+1 = %p\n", r+1);
if (r->normal.page.end) {
// VALGRIND_MAKE_NOACCESS((char*)(r+1), r->normal.page.end - (char*)(r+1));
}
// VALGRIND_MAKE_NOACCESS(r, sizeof(*r));
--num_regions_active;
}
int main(int argc,char** argv)
{
ul low,high,target;
if(argc!=3){show_help();return 0;}
char* end;
low = strtoul(argv[1],&end,10);
low *= unit_expand(*end);
high = strtoul(argv[2],&end,10);
high *= unit_expand(*end);
if(low>=high){
fprintf(stderr,"low value must less than high value\n");
return -1;
}
if(high>=MAX_MB*1024){
fprintf(stderr,"high value must less than MAX_MB(%u)\n",MAX_MB);
return -1;
}
printf("\n");
visit_pages(low);
sleep(RESP_TIME);
for(target = low;target<high;target+=ONE_PAGE*5){
printf(".");
fflush(stdout);
visit_pages(ONE_PAGE*5);
sleep(1);
}
for(target = high;target>=low;target-=ONE_PAGE*5){
printf(".");
fflush(stdout);
free_pages(ONE_PAGE*5);
sleep(1);
}
free_all_pages();
sleep(1);
printf("\n");
return 0;
}
int main(int argc,char** argv)
{
printf("type a mem value to allocate and keep,\n"
"type q to quit\n");
char str[256];
ul tg_mem;
if(argc==2){
char* end;
tg_mem = strtoul(argv[1],&end,10);
tg_mem *= unit_expand(*end);
visit_pages(tg_mem);
}
int flags = fcntl(STDIN_FILENO,F_GETFL,0);
flags |= O_NONBLOCK;
fcntl(STDIN_FILENO, F_SETFL,flags);
printf(":>");
fflush(stdout);
while(1){
/*#if LOW_CPU
struct timespec tm_,rem_;
tm_.tv_sec = 0;
tm_.tv_nsec = NANO_SLEEP_TIME;
nanosleep(&tm_,&rem_);
#endif*/
int ret = read(0,str,sizeof(str));
if(ret == -1 && errno == EAGAIN){
flush_pages();
continue;
}
printf(":>");
fflush(stdout);
free_all_pages();
if(str[0]=='q') break;
char* end;
tg_mem = strtoul(str,&end,10);
tg_mem *= unit_expand(*end);
visit_pages(tg_mem);
}
return 0;
}
