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[PATCH] powerpc: Add oprofile calltrace support to all powerpc cpus 

Add calltrace support for other powerpc cpus. Tested on 7450.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
hifive-unleashed-5.1
Anton Blanchard 2006-03-27 12:03:17 +11:00 committed by Paul Mackerras
parent 6c6bd754bf
commit fa465f8c70
3 changed files with 8 additions and 5 deletions
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4
arch/powerpc/oprofile/op_model_7450.c
View File

@ -176,13 +176,13 @@ static void fsl7450_handle_interrupt(struct pt_regs *regs,
mtmsr(mfmsr() | MSR_PMM);
pc = mfspr(SPRN_SIAR);
is_kernel = (pc >= KERNELBASE);
is_kernel = is_kernel_addr(pc);
for (i = 0; i < NUM_CTRS; ++i) {
val = ctr_read(i);
if (val < 0) {
if (oprofile_running && ctr[i].enabled) {
oprofile_add_pc(pc, is_kernel, i);
oprofile_add_ext_sample(pc, regs, i, is_kernel);
ctr_write(i, reset_value[i]);
} else {
ctr_write(i, 0);

4
arch/powerpc/oprofile/op_model_fsl_booke.c
View File

@ -154,13 +154,13 @@ static void fsl_booke_handle_interrupt(struct pt_regs *regs,
mtmsr(mfmsr() | MSR_PMM);
pc = regs->nip;
is_kernel = (pc >= KERNELBASE);
is_kernel = is_kernel_addr(pc);
for (i = 0; i < num_counters; ++i) {
val = ctr_read(i);
if (val < 0) {
if (oprofile_running && ctr[i].enabled) {
oprofile_add_pc(pc, is_kernel, i);
oprofile_add_ext_sample(pc, regs, i, is_kernel);
ctr_write(i, reset_value[i]);
} else {
ctr_write(i, 0);

5
arch/powerpc/oprofile/op_model_rs64.c
View File

@ -175,10 +175,13 @@ static void rs64_handle_interrupt(struct pt_regs *regs,
struct op_counter_config *ctr)
{
unsigned int mmcr0;
int is_kernel;
int val;
int i;
unsigned long pc = mfspr(SPRN_SIAR);
is_kernel = is_kernel_addr(pc);
/* set the PMM bit (see comment below) */
mtmsrd(mfmsr() | MSR_PMM);
@ -186,7 +189,7 @@ static void rs64_handle_interrupt(struct pt_regs *regs,
val = ctr_read(i);
if (val < 0) {
if (ctr[i].enabled) {
oprofile_add_pc(pc, is_kernel_addr(pc), i);
oprofile_add_ext_sample(pc, regs, i, is_kernel);
ctr_write(i, reset_value[i]);
} else {
ctr_write(i, 0);