Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=795a22583ba11deb82d57dd70632c7ac390bb8c8
Commit: 795a22583ba11deb82d57dd70632c7ac390bb8c8
Parent: a967e127d0233f2472af64597de3f3920872310c
Author: Chris Dearman <[EMAIL PROTECTED]>
AuthorDate: Thu Mar 1 17:58:24 2007 +0000
Committer: Ralf Baechle <[EMAIL PROTECTED]>
CommitDate: Tue Mar 13 16:59:31 2007 +0000
[MIPS] Oprofile: Reset all performance registers for MIPS_MT_SMP configs
Signed-off-by: Chris Dearman <[EMAIL PROTECTED]>
Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
---
arch/mips/oprofile/op_model_mipsxx.c | 22 +++++++++++++---------
1 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/arch/mips/oprofile/op_model_mipsxx.c
b/arch/mips/oprofile/op_model_mipsxx.c
index 9d08608..69a8bcf 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -74,13 +74,13 @@ static inline void w_c0_ ## r ## n(unsigned int value)
\
__define_perf_accessors(perfcntr, 0, 2)
__define_perf_accessors(perfcntr, 1, 3)
-__define_perf_accessors(perfcntr, 2, 2)
-__define_perf_accessors(perfcntr, 3, 2)
+__define_perf_accessors(perfcntr, 2, 0)
+__define_perf_accessors(perfcntr, 3, 1)
__define_perf_accessors(perfctrl, 0, 2)
__define_perf_accessors(perfctrl, 1, 3)
-__define_perf_accessors(perfctrl, 2, 2)
-__define_perf_accessors(perfctrl, 3, 2)
+__define_perf_accessors(perfctrl, 2, 0)
+__define_perf_accessors(perfctrl, 3, 1)
struct op_mips_model op_model_mipsxx_ops;
@@ -97,7 +97,6 @@ static void mipsxx_reg_setup(struct op_counter_config *ctr)
int i;
/* Compute the performance counter control word. */
- /* For now count kernel and user mode */
for (i = 0; i < counters; i++) {
reg.control[i] = 0;
reg.counter[i] = 0;
@@ -234,9 +233,6 @@ static inline int n_counters(void)
counters = __n_counters();
}
-#ifdef CONFIG_MIPS_MT_SMP
- counters >> 1;
-#endif
return counters;
}
@@ -270,6 +266,10 @@ static int __init mipsxx_init(void)
reset_counters(counters);
+#ifdef CONFIG_MIPS_MT_SMP
+ counters >>= 1;
+#endif
+
op_model_mipsxx_ops.num_counters = counters;
switch (current_cpu_data.cputype) {
case CPU_20KC:
@@ -326,7 +326,11 @@ static int __init mipsxx_init(void)
static void mipsxx_exit(void)
{
- reset_counters(op_model_mipsxx_ops.num_counters);
+ int counters = op_model_mipsxx_ops.num_counters;
+#ifdef CONFIG_MIPS_MT_SMP
+ counters <<= 1;
+#endif
+ reset_counters(counters);
perf_irq = null_perf_irq;
}
-
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