void get_mmap() {
multiboot_info_t* multiboot_info = (multiboot_info_t*) (intptr_t) mboot_info;
mmap_size = 0;
//to check that mmap_length and mmap_addr are correct
//we need them to be present
if(!mmaps_present(multiboot_info->flags)) {
println("No mmap present!");
return;
}
println("\nInitial mmap:");
uint64_t end = (uint64_t) multiboot_info->mmap_addr + (uint64_t) multiboot_info->mmap_length;
uint16_t in_kernel = 0;
uint64_t i = 0;
for(mboot_mmap_entry* mmap_ptr = (mboot_mmap_entry*) (uint64_t) multiboot_info->mmap_addr;
(uint64_t) mmap_ptr < end;
mmap_ptr = (mboot_mmap_entry*) ((uint64_t) mmap_ptr + mmap_ptr->size + sizeof (mmap_ptr->size))) {
mboot_mmap[i] = *mmap_ptr;
//information and debug
print_mboot_mmap_entry(mboot_mmap + i);
//we think about kernel <3
process_mmap(mboot_mmap + i, &in_kernel);
++i;
}
correct_mmap();
}
static void
process_event (Collector *collector,
counter_t *counter,
counter_event_t *event)
{
char *name;
switch (event->header.type)
{
case PERF_RECORD_MMAP: name = "mmap"; break;
case PERF_RECORD_LOST: name = "lost"; break;
case PERF_RECORD_COMM: name = "comm"; break;
case PERF_RECORD_EXIT: name = "exit"; break;
case PERF_RECORD_THROTTLE: name = "throttle"; break;
case PERF_RECORD_UNTHROTTLE: name = "unthrottle"; break;
case PERF_RECORD_FORK: name = "fork"; break;
case PERF_RECORD_READ: name = "read"; break;
case PERF_RECORD_SAMPLE: name = "samp"; break;
default: name = "unknown"; break;
}
d_print ("cpu %d :: %s :: ", counter->cpu, name);
switch (event->header.type)
{
case PERF_RECORD_MMAP:
process_mmap (collector, &event->mmap);
break;
case PERF_RECORD_LOST:
g_print ("lost event\n");
break;
case PERF_RECORD_COMM:
process_comm (collector, &event->comm);
break;
case PERF_RECORD_EXIT:
process_exit (collector, &event->exit);
break;
case PERF_RECORD_THROTTLE:
g_print ("throttle\n");
break;
case PERF_RECORD_UNTHROTTLE:
g_print ("unthrottle\n");
break;
case PERF_RECORD_FORK:
process_fork (collector, &event->fork);
break;
case PERF_RECORD_READ:
break;
case PERF_RECORD_SAMPLE:
process_sample (collector, &event->sample);
break;
default:
g_warning ("unknown event: %d (%d)\n",
event->header.type, event->header.size);
break;
}
d_print ("\n");
}
