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Date: Tue, 4 May 2010 12:44:50 +0200
From: Robert Richter <robert.richter@....com>
To: Ingo Molnar <mingo@...e.hu>
CC: LKML <linux-kernel@...r.kernel.org>,
oprofile-list <oprofile-list@...ts.sourceforge.net>,
Robert Richter <robert.richter@....com>
Subject: [PATCH 4/7] oprofile/x86: moving shutdown functions
Moving some code in preparation of the next patch.
Signed-off-by: Robert Richter <robert.richter@....com>
---
arch/x86/oprofile/op_model_amd.c | 24 +++++++++++-----------
arch/x86/oprofile/op_model_p4.c | 38 +++++++++++++++++-------------------
arch/x86/oprofile/op_model_ppro.c | 33 +++++++++++++++----------------
3 files changed, 46 insertions(+), 49 deletions(-)
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index 2e2bc90..7e5886d 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -126,6 +126,18 @@ static void op_mux_switch_ctrl(struct op_x86_model_spec const *model,
/* functions for op_amd_spec */
+static void op_amd_shutdown(struct op_msrs const * const msrs)
+{
+ int i;
+
+ for (i = 0; i < NUM_COUNTERS; ++i) {
+ if (!msrs->counters[i].addr)
+ continue;
+ release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
+ release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
+ }
+}
+
static void op_amd_fill_in_addresses(struct op_msrs * const msrs)
{
int i;
@@ -422,18 +434,6 @@ static void op_amd_stop(struct op_msrs const * const msrs)
op_amd_stop_ibs();
}
-static void op_amd_shutdown(struct op_msrs const * const msrs)
-{
- int i;
-
- for (i = 0; i < NUM_COUNTERS; ++i) {
- if (!msrs->counters[i].addr)
- continue;
- release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
- release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
- }
-}
-
static u8 ibs_eilvt_off;
static inline void apic_init_ibs_nmi_per_cpu(void *arg)
diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c
index e6a160a..7cc80df 100644
--- a/arch/x86/oprofile/op_model_p4.c
+++ b/arch/x86/oprofile/op_model_p4.c
@@ -385,6 +385,24 @@ static unsigned int get_stagger(void)
static unsigned long reset_value[NUM_COUNTERS_NON_HT];
+static void p4_shutdown(struct op_msrs const * const msrs)
+{
+ int i;
+
+ for (i = 0; i < num_counters; ++i) {
+ if (msrs->counters[i].addr)
+ release_perfctr_nmi(msrs->counters[i].addr);
+ }
+ /*
+ * some of the control registers are specially reserved in
+ * conjunction with the counter registers (hence the starting offset).
+ * This saves a few bits.
+ */
+ for (i = num_counters; i < num_controls; ++i) {
+ if (msrs->controls[i].addr)
+ release_evntsel_nmi(msrs->controls[i].addr);
+ }
+}
static void p4_fill_in_addresses(struct op_msrs * const msrs)
{
@@ -668,26 +686,6 @@ static void p4_stop(struct op_msrs const * const msrs)
}
}
-static void p4_shutdown(struct op_msrs const * const msrs)
-{
- int i;
-
- for (i = 0; i < num_counters; ++i) {
- if (msrs->counters[i].addr)
- release_perfctr_nmi(msrs->counters[i].addr);
- }
- /*
- * some of the control registers are specially reserved in
- * conjunction with the counter registers (hence the starting offset).
- * This saves a few bits.
- */
- for (i = num_counters; i < num_controls; ++i) {
- if (msrs->controls[i].addr)
- release_evntsel_nmi(msrs->controls[i].addr);
- }
-}
-
-
#ifdef CONFIG_SMP
struct op_x86_model_spec op_p4_ht2_spec = {
.num_counters = NUM_COUNTERS_HT2,
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index f8e268e..b07d25a 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -30,6 +30,22 @@ static int counter_width = 32;
static u64 *reset_value;
+static void ppro_shutdown(struct op_msrs const * const msrs)
+{
+ int i;
+
+ for (i = 0; i < num_counters; ++i) {
+ if (!msrs->counters[i].addr)
+ continue;
+ release_perfctr_nmi(MSR_P6_PERFCTR0 + i);
+ release_evntsel_nmi(MSR_P6_EVNTSEL0 + i);
+ }
+ if (reset_value) {
+ kfree(reset_value);
+ reset_value = NULL;
+ }
+}
+
static void ppro_fill_in_addresses(struct op_msrs * const msrs)
{
int i;
@@ -189,23 +205,6 @@ static void ppro_stop(struct op_msrs const * const msrs)
}
}
-static void ppro_shutdown(struct op_msrs const * const msrs)
-{
- int i;
-
- for (i = 0; i < num_counters; ++i) {
- if (!msrs->counters[i].addr)
- continue;
- release_perfctr_nmi(MSR_P6_PERFCTR0 + i);
- release_evntsel_nmi(MSR_P6_EVNTSEL0 + i);
- }
- if (reset_value) {
- kfree(reset_value);
- reset_value = NULL;
- }
-}
-
-
struct op_x86_model_spec op_ppro_spec = {
.num_counters = 2,
.num_controls = 2,
--
1.7.0.3
--
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