Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Luiz Fernando N. Capitulino |
194 |
69.53% |
2 |
33.33% |
| Wanpeng Li |
77 |
27.60% |
1 |
16.67% |
| Paolo Bonzini |
5 |
1.79% |
1 |
16.67% |
| Thomas Gleixner |
2 |
0.72% |
1 |
16.67% |
| Greg Kroah-Hartman |
1 |
0.36% |
1 |
16.67% |
| Total |
279 |
|
6 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Kernel-based Virtual Machine driver for Linux
*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*/
#include <linux/kvm_host.h>
#include <linux/debugfs.h>
#include "lapic.h"
static int vcpu_get_timer_advance_ns(void *data, u64 *val)
{
struct kvm_vcpu *vcpu = (struct kvm_vcpu *) data;
*val = vcpu->arch.apic->lapic_timer.timer_advance_ns;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(vcpu_timer_advance_ns_fops, vcpu_get_timer_advance_ns, NULL, "%llu\n");
static int vcpu_get_tsc_offset(void *data, u64 *val)
{
struct kvm_vcpu *vcpu = (struct kvm_vcpu *) data;
*val = vcpu->arch.tsc_offset;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(vcpu_tsc_offset_fops, vcpu_get_tsc_offset, NULL, "%lld\n");
static int vcpu_get_tsc_scaling_ratio(void *data, u64 *val)
{
struct kvm_vcpu *vcpu = (struct kvm_vcpu *) data;
*val = vcpu->arch.tsc_scaling_ratio;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(vcpu_tsc_scaling_fops, vcpu_get_tsc_scaling_ratio, NULL, "%llu\n");
static int vcpu_get_tsc_scaling_frac_bits(void *data, u64 *val)
{
*val = kvm_tsc_scaling_ratio_frac_bits;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(vcpu_tsc_scaling_frac_fops, vcpu_get_tsc_scaling_frac_bits, NULL, "%llu\n");
void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu, struct dentry *debugfs_dentry)
{
debugfs_create_file("tsc-offset", 0444, debugfs_dentry, vcpu,
&vcpu_tsc_offset_fops);
if (lapic_in_kernel(vcpu))
debugfs_create_file("lapic_timer_advance_ns", 0444,
debugfs_dentry, vcpu,
&vcpu_timer_advance_ns_fops);
if (kvm_has_tsc_control) {
debugfs_create_file("tsc-scaling-ratio", 0444,
debugfs_dentry, vcpu,
&vcpu_tsc_scaling_fops);
debugfs_create_file("tsc-scaling-ratio-frac-bits", 0444,
debugfs_dentry, vcpu,
&vcpu_tsc_scaling_frac_fops);
}
}