On Fri, 2002-10-25 at 14:54, Nakajima, Jun wrote:
> Recent distributions or the AC tree has additional fields in
> /proc/cpu, which tell
> - physical package id
> - number of threads
Attached patch for 2.5 adds the same fields the 2.4-ac tree have. I
consider those "standard" enough.
Is this something HT users want?
Robert Love
proc.c | 5 +++++
1 files changed, 5 insertions(+)
diff -urN linux-2.5.44/arch/i386/kernel/cpu/proc.c linux/arch/i386/kernel/cpu/proc.c
--- linux-2.5.44/arch/i386/kernel/cpu/proc.c 2002-10-19 00:02:29.000000000 -0400
+++ linux/arch/i386/kernel/cpu/proc.c 2002-10-25 15:06:23.000000000 -0400
@@ -17,6 +17,7 @@
* applications want to get the raw CPUID data, they should access
* /dev/cpu/<cpu_nr>/cpuid instead.
*/
+ extern int phys_proc_id[NR_CPUS];
static char *x86_cap_flags[] = {
/* Intel-defined */
"fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
@@ -74,6 +75,10 @@
/* Cache size */
if (c->x86_cache_size >= 0)
seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
+#ifdef CONFIG_SMP
+ seq_printf(m, "physical processor ID\t: %d\n", phys_proc_id[n]);
+ seq_printf(m, "number of siblings\t: %d\n", smp_num_siblings);
+#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_irq13 || cpu_has_fpu);
-
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This archive was generated by hypermail 2b29 : Thu Oct 31 2002 - 22:00:28 EST