int __init op_nmi_init(struct oprofile_operations *ops)
{
__u8 vendor = boot_cpu_data.x86_vendor;
__u8 family = boot_cpu_data.x86;
char *cpu_type = NULL;
int ret = 0;
if (!cpu_has_apic)
return -ENODEV;
switch (vendor) {
case X86_VENDOR_AMD:
/* Needs to be at least an Athlon (or hammer in 32bit mode) */
switch (family) {
case 6:
cpu_type = "i386/athlon";
break;
case 0xf:
/*
* Actually it could be i386/hammer too, but
* give user space an consistent name.
*/
cpu_type = "x86-64/hammer";
break;
case 0x10:
cpu_type = "x86-64/family10";
break;
case 0x11:
cpu_type = "x86-64/family11h";
break;
default:
return -ENODEV;
}
model = &op_amd_spec;
break;
case X86_VENDOR_INTEL:
switch (family) {
/* Pentium IV */
case 0xf:
p4_init(&cpu_type);
break;
/* A P6-class processor */
case 6:
ppro_init(&cpu_type);
break;
default:
break;
}
if (cpu_type)
break;
if (!cpu_has_arch_perfmon)
return -ENODEV;
/* use arch perfmon as fallback */
cpu_type = "i386/arch_perfmon";
model = &op_arch_perfmon_spec;
break;
default:
return -ENODEV;
}
#ifdef CONFIG_SMP
register_cpu_notifier(&oprofile_cpu_nb);
#endif
/* default values, can be overwritten by model */
ops->create_files = nmi_create_files;
ops->setup = nmi_setup;
ops->shutdown = nmi_shutdown;
ops->start = nmi_start;
ops->stop = nmi_stop;
ops->cpu_type = cpu_type;
if (model->init)
ret = model->init(ops);
if (ret)
return ret;
if (!model->num_virt_counters)
model->num_virt_counters = model->num_counters;
mux_init(ops);
init_sysfs();
using_nmi = 1;
printk(KERN_INFO "oprofile: using NMI interrupt.\n");
return 0;
}
static int __init nmi_init(void)
{
__u8 vendor = current_cpu_data.x86_vendor;
__u8 family = current_cpu_data.x86;
__u8 _model = current_cpu_data.x86_model;
if (!cpu_has_apic) {
printk("xenoprof: Initialization failed. No APIC\n");
return -ENODEV;
}
switch (vendor) {
case X86_VENDOR_AMD:
/* Needs to be at least an Athlon (or hammer in 32bit mode) */
switch (family) {
default:
printk("xenoprof: Initialization failed. "
"AMD processor family %d is not "
"supported\n", family);
return -ENODEV;
case 0xf:
model = &op_athlon_spec;
cpu_type = "x86-64/hammer";
break;
case 0x10:
model = &op_athlon_spec;
cpu_type = "x86-64/family10";
ibs_init();
break;
case 0x11:
model = &op_athlon_spec;
cpu_type = "x86-64/family11h";
break;
case 0x12:
model = &op_athlon_spec;
cpu_type = "x86-64/family12h";
break;
case 0x14:
model = &op_athlon_spec;
cpu_type = "x86-64/family14h";
break;
case 0x15:
model = &op_amd_fam15h_spec;
cpu_type = "x86-64/family15h";
break;
case 0x16:
model = &op_athlon_spec;
cpu_type = "x86-64/family16h";
break;
}
break;
case X86_VENDOR_INTEL:
switch (family) {
/* Pentium IV */
case 0xf:
p4_init(&cpu_type);
break;
/* A P6-class processor */
case 6:
ppro_init(&cpu_type);
break;
default:
break;
}
if (!cpu_type && !arch_perfmon_init(&cpu_type)) {
printk("xenoprof: Initialization failed. "
"Intel processor family %d model %d"
"is not supported\n", family, _model);
return -ENODEV;
}
break;
default:
printk("xenoprof: Initialization failed. "
"Unsupported processor. Unknown vendor %d\n",
vendor);
return -ENODEV;
}
return 0;
}
int __init op_nmi_init(struct oprofile_operations *ops)
{
__u8 vendor = boot_cpu_data.x86_vendor;
__u8 family = boot_cpu_data.x86;
char *cpu_type;
if (!cpu_has_apic)
return -ENODEV;
switch (vendor) {
case X86_VENDOR_AMD:
/* Needs to be at least an Athlon (or hammer in 32bit mode) */
switch (family) {
default:
return -ENODEV;
case 6:
model = &op_athlon_spec;
cpu_type = "i386/athlon";
break;
case 0xf:
model = &op_athlon_spec;
/* Actually it could be i386/hammer too, but give
user space an consistent name. */
cpu_type = "x86-64/hammer";
break;
case 0x10:
model = &op_athlon_spec;
cpu_type = "x86-64/family10";
break;
}
break;
case X86_VENDOR_INTEL:
switch (family) {
/* Pentium IV */
case 0xf:
if (!p4_init(&cpu_type))
return -ENODEV;
break;
/* A P6-class processor */
case 6:
if (!ppro_init(&cpu_type))
return -ENODEV;
break;
default:
return -ENODEV;
}
break;
default:
return -ENODEV;
}
init_sysfs();
using_nmi = 1;
ops->create_files = nmi_create_files;
ops->setup = nmi_setup;
ops->shutdown = nmi_shutdown;
ops->start = nmi_start;
ops->stop = nmi_stop;
ops->cpu_type = cpu_type;
printk(KERN_INFO "oprofile: using NMI interrupt.\n");
return 0;
}
int __init op_nmi_init(struct oprofile_operations *ops)
{
__u8 vendor = boot_cpu_data.x86_vendor;
__u8 family = boot_cpu_data.x86;
char *cpu_type = NULL;
int ret = 0;
if (!cpu_has_apic)
return -ENODEV;
if (force_cpu_type == timer)
return -ENODEV;
switch (vendor) {
case X86_VENDOR_AMD:
switch (family) {
case 6:
cpu_type = "i386/athlon";
break;
case 0xf:
cpu_type = "x86-64/hammer";
break;
case 0x10:
cpu_type = "x86-64/family10";
break;
case 0x11:
cpu_type = "x86-64/family11h";
break;
case 0x12:
cpu_type = "x86-64/family12h";
break;
case 0x14:
cpu_type = "x86-64/family14h";
break;
case 0x15:
cpu_type = "x86-64/family15h";
break;
default:
return -ENODEV;
}
model = &op_amd_spec;
break;
case X86_VENDOR_INTEL:
switch (family) {
case 0xf:
p4_init(&cpu_type);
break;
case 6:
ppro_init(&cpu_type);
break;
default:
break;
}
if (cpu_type)
break;
if (!cpu_has_arch_perfmon)
return -ENODEV;
cpu_type = "i386/arch_perfmon";
model = &op_arch_perfmon_spec;
break;
default:
return -ENODEV;
}
/* default values, can be overwritten by model */
ops->create_files = nmi_create_files;
ops->setup = nmi_setup;
ops->shutdown = nmi_shutdown;
ops->start = nmi_start;
ops->stop = nmi_stop;
ops->cpu_type = cpu_type;
if (model->init)
ret = model->init(ops);
if (ret)
return ret;
if (!model->num_virt_counters)
model->num_virt_counters = model->num_counters;
mux_init(ops);
init_suspend_resume();
printk(KERN_INFO "oprofile: using NMI interrupt.\n");
return 0;
}
