commit d6897c1597c4f0904d5956f7d794e3f001d52f72
author Paul Vinciguerra <pvinci@vinciconsulting.com> Sun Dec 30 11:07:36 2018 -0800
committer Dave Barach <openvpp@barachs.net> Wed Jan 02 12:23:59 2019 +0000
tree abff82284c222aff921bb0b66f23e0ca21bfe1f3
parent 461caa5f98202ac758076ad96b82c57251f2f19a

Add microarch details to 'show cpu'.

Change-Id: I31a3ff9e8f70468196c091027592a3aed2d09ac3
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>

src/vlib/cli.c

diff --git a/src/vlib/cli.c b/src/vlib/cli.c
index d7b2a46..4c33914 100644
--- a/src/vlib/cli.c
+++ b/src/vlib/cli.c
@@ -852,7 +852,7 @@
 {
 #define _(a,b,c) vlib_cli_output (vm, "%-25s " b, a ":", c);
   _("Model name", "%U", format_cpu_model_name);
-  _("Microarchitecture", "%U", format_cpu_uarch);
+  _("Microarch model (family)", "%U", format_cpu_uarch);
   _("Flags", "%U", format_cpu_flags);
   _("Base frequency", "%.2f GHz",
     ((f64) vm->clib_time.clocks_per_second) * 1e-9);

src/vppinfra/cpu.c

diff --git a/src/vppinfra/cpu.c b/src/vppinfra/cpu.c
index ef08dc7..1b3ac31 100644
--- a/src/vppinfra/cpu.c
+++ b/src/vppinfra/cpu.c
@@ -74,15 +74,17 @@
 {
 #if __x86_64__
   u32 __attribute__ ((unused)) eax, ebx, ecx, edx;
-  u8 model, family;
+  u8 model, family, stepping;
 
   if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0)
     return format (s, "unknown (missing cpuid)");
 
   model = ((eax >> 4) & 0x0f) | ((eax >> 12) & 0xf0);
   family = (eax >> 8) & 0x0f;
+  stepping = eax & 0x0f;
 
-#define _(f,m,a,c) if ((model == m) && (family == f)) return format(s, "%s (%s)", a, c);
+#define _(f,m,a,c) if ((model == m) && (family == f)) return \
+format(s, "[0x%x] %s ([0x%02x] %s) stepping 0x%x", f, a, m, c, stepping);
   foreach_x86_cpu_uarch
 #undef _
     return format (s, "unknown (family 0x%02x model 0x%02x)", family, model);