[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 25ab723..c022ec4 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 a376eb2..0260122 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 80b9077..445727a 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[];