From: Anton Blanchard Date: Tue, 6 Sep 2005 04:52:12 +0000 (+1000) Subject: [PATCH] ppc64: Use num_pmcs in oprofile code X-Git-Tag: v2.6.14-rc1~747^2~6 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=a6908cd00036080fbea14ff67335e5f2a1ab5489;p=linux-2.6-omap-h63xx.git [PATCH] ppc64: Use num_pmcs in oprofile code Change oprofile to use num_pmcs from the cpu feature struct. Signed-off-by: Anton Blanchard Signed-off-by: Paul Mackerras --- diff --git a/arch/ppc64/oprofile/common.c b/arch/ppc64/oprofile/common.c index 4acd1a42493..a376eb2a1f0 100644 --- a/arch/ppc64/oprofile/common.c +++ b/arch/ppc64/oprofile/common.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "op_impl.h" @@ -131,7 +132,6 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) case PV_630: case PV_630p: model = &op_model_rs64; - model->num_counters = 8; ops->cpu_type = "ppc64/power3"; break; @@ -140,14 +140,12 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) case PV_ICESTAR: case PV_SSTAR: model = &op_model_rs64; - model->num_counters = 8; ops->cpu_type = "ppc64/rs64"; break; case PV_POWER4: case PV_POWER4p: model = &op_model_power4; - model->num_counters = 8; ops->cpu_type = "ppc64/power4"; break; @@ -155,14 +153,12 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) case PV_970FX: case PV_970MP: model = &op_model_power4; - model->num_counters = 8; ops->cpu_type = "ppc64/970"; break; case PV_POWER5: case PV_POWER5p: model = &op_model_power4; - model->num_counters = 6; ops->cpu_type = "ppc64/power5"; break; @@ -170,6 +166,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) return -ENODEV; } + model->num_counters = cur_cpu_spec->num_pmcs; ops->create_files = op_ppc64_create_files; ops->setup = op_ppc64_setup; ops->shutdown = op_ppc64_shutdown; diff --git a/arch/ppc64/oprofile/op_model_power4.c b/arch/ppc64/oprofile/op_model_power4.c index 3d103d66870..e469610efde 100644 --- a/arch/ppc64/oprofile/op_model_power4.c +++ b/arch/ppc64/oprofile/op_model_power4.c @@ -23,7 +23,6 @@ static unsigned long reset_value[OP_MAX_COUNTER]; -static int num_counters; static int oprofile_running; static int mmcra_has_sihv; @@ -45,8 +44,6 @@ static void power4_reg_setup(struct op_counter_config *ctr, { int i; - num_counters = num_ctrs; - /* * SIHV / SIPR bits are only implemented on POWER4+ (GQ) and above. * However we disable it on all POWER4 until we verify it works @@ -68,7 +65,7 @@ static void power4_reg_setup(struct op_counter_config *ctr, backtrace_spinlocks = sys->backtrace_spinlocks; - for (i = 0; i < num_counters; ++i) + for (i = 0; i < cur_cpu_spec->num_pmcs; ++i) reset_value[i] = 0x80000000UL - ctr[i].count; /* setup user and kernel profiling */ @@ -121,7 +118,7 @@ static void power4_start(struct op_counter_config *ctr) /* set the PMM bit (see comment below) */ mtmsrd(mfmsr() | MSR_PMM); - for (i = 0; i < num_counters; ++i) { + for (i = 0; i < cur_cpu_spec->num_pmcs; ++i) { if (ctr[i].enabled) { ctr_write(i, reset_value[i]); } else { @@ -272,7 +269,7 @@ static void power4_handle_interrupt(struct pt_regs *regs, /* set the PMM bit (see comment below) */ mtmsrd(mfmsr() | MSR_PMM); - for (i = 0; i < num_counters; ++i) { + for (i = 0; i < cur_cpu_spec->num_pmcs; ++i) { val = ctr_read(i); if (val < 0) { if (oprofile_running && ctr[i].enabled) {