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create rusage branch.

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Katsukura
2017-03-15 23:22:51 +09:00
parent eca4018ecb
commit 3fe2257929
23 changed files with 1013 additions and 40 deletions
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54
kernel/freeze.c Normal file
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#include <kmsg.h>
#include <string.h>
#include <ihk/cpu.h>
#include <ihk/debug.h>
#include <cls.h>
extern int nmi_mode;
extern mod_nmi_ctx(void *, void(*)());
extern void lapic_ack();
extern void __freeze();
void
freeze()
{
struct ihk_os_monitor *monitor = cpu_local_var(monitor);
monitor->status_bak = monitor->status;
monitor->status = IHK_OS_MONITOR_KERNEL_FROZEN;
while (monitor->status == IHK_OS_MONITOR_KERNEL_FROZEN)
cpu_halt();
monitor->status = monitor->status_bak;
}
long
freeze_thaw(void *nmi_ctx)
{
struct ihk_os_monitor *monitor = cpu_local_var(monitor);
if (nmi_mode == 1) {
if (monitor->status != IHK_OS_MONITOR_KERNEL_FROZEN) {
#if 1
mod_nmi_ctx(nmi_ctx, __freeze);
return 1;
#else
unsigned long flags;
flags = cpu_disable_interrupt_save();
monitor->status_bak = monitor->status;
monitor->status = IHK_OS_MONITOR_KERNEL_FROZEN;
lapic_ack();
while (monitor->status == IHK_OS_MONITOR_KERNEL_FROZEN)
cpu_halt();
monitor->status = monitor->status_bak;
cpu_restore_interrupt(flags);
#endif
}
}
else if(nmi_mode == 2) {
if (monitor->status == IHK_OS_MONITOR_KERNEL_FROZEN) {
monitor->status = IHK_OS_MONITOR_KERNEL_THAW;
}
}
return 0;
}