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| author | Robert Richter <robert.richter@amd.com> | 2008-10-12 21:12:34 +0200 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2009-06-10 22:09:24 +0200 |
| commit | e419294ed3c98cccc145202e4fe165bfd8099d63 (patch) | |
| tree | 24eced48e81cc31765ac1a3a87eb75bed583e1fc /arch/x86/oprofile | |
| parent | Revert "oprofile: discover counters for op ppro too" (diff) | |
| download | linux-e419294ed3c98cccc145202e4fe165bfd8099d63.tar.xz linux-e419294ed3c98cccc145202e4fe165bfd8099d63.zip | |
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: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'arch/x86/oprofile')
| -rw-r--r-- | arch/x86/oprofile/nmi_int.c | 21 | ||||
| -rw-r--r-- | arch/x86/oprofile/op_model_ppro.c | 9 | ||||
| -rw-r--r-- | arch/x86/oprofile/op_x86_model.h | 2 |
3 files changed, 17 insertions, 15 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 3b285e656e27..dd8515301fbf 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -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: diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c index 2a123990a84c..ae5811966883 100644 --- a/arch/x86/oprofile/op_model_ppro.c +++ b/arch/x86/oprofile/op_model_ppro.c @@ -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 */ diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h index 2317149c94f0..ed27783bb0d4 100644 --- a/arch/x86/oprofile/op_x86_model.h +++ b/arch/x86/oprofile/op_x86_model.h @@ -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 */ |