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oprofile/x86: moving shutdown functions
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Moving some code in preparation of the next patch.

Signed-off-by: Robert Richter <robert.richter@amd.com>
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Robert Richter committed May 4, 2010
1 parent d0e4120 commit 83300ce
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Showing 3 changed files with 46 additions and 49 deletions.
24 changes: 12 additions & 12 deletions arch/x86/oprofile/op_model_amd.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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)
Expand Down
38 changes: 18 additions & 20 deletions arch/x86/oprofile/op_model_p4.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
{
Expand Down Expand Up @@ -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,
Expand Down
33 changes: 16 additions & 17 deletions arch/x86/oprofile/op_model_ppro.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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,
Expand Down

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