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yaml
---
r: 88627
b: refs/heads/master
c: a967cea
h: refs/heads/master
i:
  88625: f7243c8
  88623: 1f095bb
v: v3
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Hiroshi Shimamoto authored and Ingo Molnar committed Apr 17, 2008
1 parent c9f60c3 commit 301687a
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Showing 3 changed files with 106 additions and 79 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8fa6878ffc6366f490e99a1ab31127fb599657c9
refs/heads/master: a967ceac01cd3847011e2a777b8365b30afa770a
120 changes: 69 additions & 51 deletions trunk/arch/x86/kernel/cpu/proc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -8,75 +8,90 @@
/*
* Get CPU information for use by the procfs.
*/
static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c,
unsigned int cpu)
{
#ifdef CONFIG_X86_HT
if (c->x86_max_cores * smp_num_siblings > 1) {
seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
seq_printf(m, "siblings\t: %d\n",
cpus_weight(per_cpu(cpu_core_map, cpu)));
seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
}
#endif
}

static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c)
{
/*
* We use exception 16 if we have hardware math and we've either seen
* it or the CPU claims it is internal
*/
int fpu_exception = c->hard_math && (ignore_fpu_irq || cpu_has_fpu);
seq_printf(m,
"fdiv_bug\t: %s\n"
"hlt_bug\t\t: %s\n"
"f00f_bug\t: %s\n"
"coma_bug\t: %s\n"
"fpu\t\t: %s\n"
"fpu_exception\t: %s\n"
"cpuid level\t: %d\n"
"wp\t\t: %s\n",
c->fdiv_bug ? "yes" : "no",
c->hlt_works_ok ? "no" : "yes",
c->f00f_bug ? "yes" : "no",
c->coma_bug ? "yes" : "no",
c->hard_math ? "yes" : "no",
fpu_exception ? "yes" : "no",
c->cpuid_level,
c->wp_works_ok ? "yes" : "no");
}

static int show_cpuinfo(struct seq_file *m, void *v)
{
struct cpuinfo_x86 *c = v;
int i, n = 0;
int fpu_exception;
unsigned int cpu = 0;
int i;

#ifdef CONFIG_SMP
n = c->cpu_index;
cpu = c->cpu_index;
#endif
seq_printf(m, "processor\t: %d\n"
"vendor_id\t: %s\n"
"cpu family\t: %d\n"
"model\t\t: %d\n"
"model name\t: %s\n",
n,
c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
c->x86,
c->x86_model,
c->x86_model_id[0] ? c->x86_model_id : "unknown");
seq_printf(m, "processor\t: %u\n"
"vendor_id\t: %s\n"
"cpu family\t: %d\n"
"model\t\t: %u\n"
"model name\t: %s\n",
cpu,
c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
c->x86,
c->x86_model,
c->x86_model_id[0] ? c->x86_model_id : "unknown");

if (c->x86_mask || c->cpuid_level >= 0)
seq_printf(m, "stepping\t: %d\n", c->x86_mask);
else
seq_printf(m, "stepping\t: unknown\n");

if ( cpu_has(c, X86_FEATURE_TSC) ) {
unsigned int freq = cpufreq_quick_get(n);
if (cpu_has(c, X86_FEATURE_TSC)) {
unsigned int freq = cpufreq_quick_get(cpu);

if (!freq)
freq = cpu_khz;
seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
freq / 1000, (freq % 1000));
freq / 1000, (freq % 1000));
}

/* Cache size */
if (c->x86_cache_size >= 0)
seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
#ifdef CONFIG_X86_HT
if (c->x86_max_cores * smp_num_siblings > 1) {
seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
seq_printf(m, "siblings\t: %d\n",
cpus_weight(per_cpu(cpu_core_map, n)));
seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
}
#endif

/* We use exception 16 if we have hardware math and we've either seen it or the CPU claims it is internal */
fpu_exception = c->hard_math && (ignore_fpu_irq || cpu_has_fpu);
seq_printf(m, "fdiv_bug\t: %s\n"
"hlt_bug\t\t: %s\n"
"f00f_bug\t: %s\n"
"coma_bug\t: %s\n"
"fpu\t\t: %s\n"
"fpu_exception\t: %s\n"
"cpuid level\t: %d\n"
"wp\t\t: %s\n"
"flags\t\t:",
c->fdiv_bug ? "yes" : "no",
c->hlt_works_ok ? "no" : "yes",
c->f00f_bug ? "yes" : "no",
c->coma_bug ? "yes" : "no",
c->hard_math ? "yes" : "no",
fpu_exception ? "yes" : "no",
c->cpuid_level,
c->wp_works_ok ? "yes" : "no");

for ( i = 0 ; i < 32*NCAPINTS ; i++ )
if ( test_bit(i, c->x86_capability) &&
x86_cap_flags[i] != NULL )

show_cpuinfo_core(m, c, cpu);
show_cpuinfo_misc(m, c);

seq_printf(m, "flags\t\t:");
for (i = 0; i < 32*NCAPINTS; i++)
if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
seq_printf(m, " %s", x86_cap_flags[i]);

for (i = 0; i < 32; i++)
Expand All @@ -91,8 +106,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
}

seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
c->loops_per_jiffy/(500000/HZ),
(c->loops_per_jiffy/(5000/HZ)) % 100);
c->loops_per_jiffy/(500000/HZ),
(c->loops_per_jiffy/(5000/HZ)) % 100);
seq_printf(m, "clflush size\t: %u\n\n", c->x86_clflush_size);

return 0;
Expand All @@ -106,14 +121,17 @@ static void *c_start(struct seq_file *m, loff_t *pos)
return &cpu_data(*pos);
return NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{
*pos = next_cpu(*pos, cpu_online_map);
return c_start(m, pos);
}

static void c_stop(struct seq_file *m, void *v)
{
}

const struct seq_operations cpuinfo_op = {
.start = c_start,
.next = c_next,
Expand Down
63 changes: 36 additions & 27 deletions trunk/arch/x86/kernel/cpu/proc_64.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -8,25 +8,48 @@
/*
* Get CPU information for use by the procfs.
*/
static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c,
unsigned int cpu)
{
#ifdef CONFIG_SMP
if (c->x86_max_cores * smp_num_siblings > 1) {
seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
seq_printf(m, "siblings\t: %d\n",
cpus_weight(per_cpu(cpu_core_map, cpu)));
seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
}
#endif
}

static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c)
{
seq_printf(m,
"fpu\t\t: yes\n"
"fpu_exception\t: yes\n"
"cpuid level\t: %d\n"
"wp\t\t: yes\n",
c->cpuid_level);
}

static int show_cpuinfo(struct seq_file *m, void *v)
{
struct cpuinfo_x86 *c = v;
int cpu = 0, i;
unsigned int cpu = 0;
int i;

#ifdef CONFIG_SMP
cpu = c->cpu_index;
#endif

seq_printf(m, "processor\t: %u\n"
"vendor_id\t: %s\n"
"cpu family\t: %d\n"
"model\t\t: %d\n"
"model\t\t: %u\n"
"model name\t: %s\n",
(unsigned)cpu,
cpu,
c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
c->x86,
(int)c->x86_model,
c->x86_model,
c->x86_model_id[0] ? c->x86_model_id : "unknown");

if (c->x86_mask || c->cpuid_level >= 0)
Expand All @@ -35,7 +58,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "stepping\t: unknown\n");

if (cpu_has(c, X86_FEATURE_TSC)) {
unsigned int freq = cpufreq_quick_get((unsigned)cpu);
unsigned int freq = cpufreq_quick_get(cpu);

if (!freq)
freq = cpu_khz;
Expand All @@ -47,24 +70,10 @@ static int show_cpuinfo(struct seq_file *m, void *v)
if (c->x86_cache_size >= 0)
seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);

#ifdef CONFIG_SMP
if (smp_num_siblings * c->x86_max_cores > 1) {
seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
seq_printf(m, "siblings\t: %d\n",
cpus_weight(per_cpu(cpu_core_map, cpu)));
seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
}
#endif

seq_printf(m,
"fpu\t\t: yes\n"
"fpu_exception\t: yes\n"
"cpuid level\t: %d\n"
"wp\t\t: yes\n"
"flags\t\t:",
c->cpuid_level);
show_cpuinfo_core(m, c, cpu);
show_cpuinfo_misc(m, c);

seq_printf(m, "flags\t\t:");
for (i = 0; i < 32*NCAPINTS; i++)
if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
seq_printf(m, " %s", x86_cap_flags[i]);
Expand Down Expand Up @@ -119,8 +128,8 @@ static void c_stop(struct seq_file *m, void *v)
}

const struct seq_operations cpuinfo_op = {
.start = c_start,
.next = c_next,
.stop = c_stop,
.show = show_cpuinfo,
.start = c_start,
.next = c_next,
.stop = c_stop,
.show = show_cpuinfo,
};

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