[PATCH] ppc64: Add oprofile cpu_type to cpu feature struct

Add oprofile cpu_type to cpu feature struct.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

3 files changed, 17 insertions, 5 deletions

diff --git a/arch/ppc64/kernel/cputable.c b/arch/ppc64/kernel/cputable.c
index 25ab72323c58..c022ec4d1e91 100644
--- a/arch/ppc64/kernel/cputable.c
+++ b/arch/ppc64/kernel/cputable.c
@@ -60,6 +60,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 8,
                 .cpu_setup              = __setup_cpu_power3,
+                .oprofile_cpu_type      = "ppc64/power3",
         },
         {       /* Power3+ */
                 .pvr_mask               = 0xffff0000,
@@ -72,6 +73,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 8,
                 .cpu_setup              = __setup_cpu_power3,
+                .oprofile_cpu_type      = "ppc64/power3",
         },
         {       /* Northstar */
                 .pvr_mask               = 0xffff0000,
@@ -85,6 +87,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 8,
                 .cpu_setup              = __setup_cpu_power3,
+                .oprofile_cpu_type      = "ppc64/rs64",
         },
         {       /* Pulsar */
                 .pvr_mask               = 0xffff0000,
@@ -98,6 +101,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 8,
                 .cpu_setup              = __setup_cpu_power3,
+                .oprofile_cpu_type      = "ppc64/rs64",
         },
         {       /* I-star */
                 .pvr_mask               = 0xffff0000,
@@ -111,6 +115,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 8,
                 .cpu_setup              = __setup_cpu_power3,
+                .oprofile_cpu_type      = "ppc64/rs64",
         },
         {       /* S-star */
                 .pvr_mask               = 0xffff0000,
@@ -124,6 +129,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 8,
                 .cpu_setup              = __setup_cpu_power3,
+                .oprofile_cpu_type      = "ppc64/rs64",
         },
         {       /* Power4 */
                 .pvr_mask               = 0xffff0000,
@@ -137,6 +143,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 8,
                 .cpu_setup              = __setup_cpu_power4,
+                .oprofile_cpu_type      = "ppc64/power4",
         },
         {       /* Power4+ */
                 .pvr_mask               = 0xffff0000,
@@ -150,6 +157,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 8,
                 .cpu_setup              = __setup_cpu_power4,
+                .oprofile_cpu_type      = "ppc64/power4",
         },
         {       /* PPC970 */
                 .pvr_mask               = 0xffff0000,
@@ -165,6 +173,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 8,
                 .cpu_setup              = __setup_cpu_ppc970,
+                .oprofile_cpu_type      = "ppc64/970",
         },
         {       /* PPC970FX */
                 .pvr_mask               = 0xffff0000,
@@ -180,6 +189,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 8,
                 .cpu_setup              = __setup_cpu_ppc970,
+                .oprofile_cpu_type      = "ppc64/970",
         },
         {       /* PPC970MP */
                 .pvr_mask               = 0xffff0000,
@@ -194,6 +204,7 @@ struct cpu_spec	cpu_specs[] = {
                 .icache_bsize           = 128,
                 .dcache_bsize           = 128,
                 .cpu_setup              = __setup_cpu_ppc970,
+                .oprofile_cpu_type      = "ppc64/970",
         },
         {       /* Power5 */
                 .pvr_mask               = 0xffff0000,
@@ -209,6 +220,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 6,
                 .cpu_setup              = __setup_cpu_power4,
+                .oprofile_cpu_type      = "ppc64/power5",
         },
         {       /* Power5 */
                 .pvr_mask               = 0xffff0000,
@@ -224,6 +236,7 @@ struct cpu_spec	cpu_specs[] = {
                 .dcache_bsize           = 128,
                 .num_pmcs               = 6,
                 .cpu_setup              = __setup_cpu_power4,
+                .oprofile_cpu_type      = "ppc64/power5",
         },
         {       /* BE DD1.x */
                 .pvr_mask               = 0xffff0000,
diff --git a/arch/ppc64/oprofile/common.c b/arch/ppc64/oprofile/common.c
index a376eb2a1f0f..0260122a8d6c 100644
--- a/arch/ppc64/oprofile/common.c
+++ b/arch/ppc64/oprofile/common.c
@@ -132,7 +132,6 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
                 case PV_630:
                 case PV_630p:
                         model = &op_model_rs64;
-                        ops->cpu_type = "ppc64/power3";
                         break;
 
                 case PV_NORTHSTAR:
@@ -140,32 +139,29 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
                 case PV_ICESTAR:
                 case PV_SSTAR:
                         model = &op_model_rs64;
-                        ops->cpu_type = "ppc64/rs64";
                         break;
 
                 case PV_POWER4:
                 case PV_POWER4p:
                         model = &op_model_power4;
-                        ops->cpu_type = "ppc64/power4";
                         break;
 
                 case PV_970:
                 case PV_970FX:
                 case PV_970MP:
                         model = &op_model_power4;
-                        ops->cpu_type = "ppc64/970";
                         break;
 
                 case PV_POWER5:
                 case PV_POWER5p:
                         model = &op_model_power4;
-                        ops->cpu_type = "ppc64/power5";
                         break;
 
                 default:
                         return -ENODEV;
         }
 
+        ops->cpu_type = cur_cpu_spec->oprofile_cpu_type;
         model->num_counters = cur_cpu_spec->num_pmcs;
         ops->create_files = op_ppc64_create_files;
         ops->setup = op_ppc64_setup;
diff --git a/include/asm-ppc64/cputable.h b/include/asm-ppc64/cputable.h
index 80b907727a79..445727ae2baa 100644
--- a/include/asm-ppc64/cputable.h
+++ b/include/asm-ppc64/cputable.h
@@ -59,6 +59,9 @@ struct cpu_spec {
          * BHT, SPD, etc... from head.S before branching to identify_machine
          */
         cpu_setup_t     cpu_setup;
+
+        /* Used by oprofile userspace to select the right counters */
+        char            *oprofile_cpu_type;
 };
 
 extern struct cpu_spec          cpu_specs[];