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Commit e419294e authored by Robert Richter's avatar Robert Richter
Browse files

x86/oprofile: moving arch_perfmon counter setup to op_x86_model_spec.init 



The function arch_perfmon_init() in nmi_int.c is model specific. This
patch moves it to op_model_ppro.c by using the init function pointer
in struct op_x86_model_spec.

Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: default avatarRobert Richter <robert.richter@amd.com>
parent 849620fa

arch/x86/oprofile/nmi_int.c

+9 −12
Original line number Diff line number Diff line
@@ -427,7 +427,7 @@ static int __init ppro_init(char **cpu_type) 
		*cpu_type = "i386/core_2";

		break;

	case 26:

		arch_perfmon_setup_counters();

		model = &op_arch_perfmon_spec;

		*cpu_type = "i386/core_i7";

		break;

	case 28:
@@ -442,16 +442,6 @@ static int __init ppro_init(char **cpu_type) 
	return 1;

}



static int __init arch_perfmon_init(char **cpu_type)

{

	if (!cpu_has_arch_perfmon)

		return 0;

	*cpu_type = "i386/arch_perfmon";

	model = &op_arch_perfmon_spec;

	arch_perfmon_setup_counters();

	return 1;

}



/* in order to get sysfs right */

static int using_nmi;
@@ -509,8 +499,15 @@ int __init op_nmi_init(struct oprofile_operations *ops) 
			break;

		}



		if (!cpu_type && !arch_perfmon_init(&cpu_type))

		if (cpu_type)

			break;



		if (!cpu_has_arch_perfmon)

			return -ENODEV;



		/* use arch perfmon as fallback */

		cpu_type = "i386/arch_perfmon";

		model = &op_arch_perfmon_spec;

		break;



	default:

arch/x86/oprofile/op_model_ppro.c

+8 −1
Original line number Diff line number Diff line
@@ -233,7 +233,7 @@ struct op_x86_model_spec const op_ppro_spec = { 
 * the specific CPU.

 */



void arch_perfmon_setup_counters(void)

static void arch_perfmon_setup_counters(void)

{

	union cpuid10_eax eax;
@@ -253,7 +253,14 @@ void arch_perfmon_setup_counters(void) 
	op_arch_perfmon_spec.num_controls = num_counters;

}



static int arch_perfmon_init(struct oprofile_operations *ignore)

{

	arch_perfmon_setup_counters();

	return 0;

}



struct op_x86_model_spec op_arch_perfmon_spec = {

	.init			= &arch_perfmon_init,

	/* num_counters/num_controls filled in at runtime */

	.fill_in_addresses	= &ppro_fill_in_addresses,

	/* user space does the cpuid check for available events */

arch/x86/oprofile/op_x86_model.h

+0 −2
Original line number Diff line number Diff line
@@ -51,6 +51,4 @@ extern struct op_x86_model_spec const op_p4_ht2_spec; 
extern struct op_x86_model_spec const op_amd_spec;

extern struct op_x86_model_spec op_arch_perfmon_spec;



extern void arch_perfmon_setup_counters(void);



#endif /* OP_X86_MODEL_H */