1. Line up the columns with headings.
2. Add units for min/max/sum columns.
3. add_exit_timing only count the exited types. For other types, the min value
should be zero, instead of the init value (0xFFFFFFFF).
Signed-off-by: Olivia Yin <hong-hua.yin@xxxxxxxxxxxxx>
---
arch/powerpc/kvm/timing.c | 13 +++++++++----
1 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kvm/timing.c b/arch/powerpc/kvm/timing.c
index 07b6110..11a67db 100644
--- a/arch/powerpc/kvm/timing.c
+++ b/arch/powerpc/kvm/timing.c
@@ -144,13 +144,18 @@ static int kvmppc_exit_timing_show(struct seq_file *m, void *private)
int i;
u64 min, max, sum, sum_quad;
- seq_printf(m, "%s", "type count min max sum sum_squared\n");
+ seq_printf(m, "%s", "\ttype\t count\t min(ns)\t max(ns)\
+ sum(ns)\t\t sum_squared\n");
for (i = 0; i < __NUMBER_OF_KVM_EXIT_TYPES; i++) {
- min = vcpu->arch.timing_min_duration[i];
- do_div(min, tb_ticks_per_usec);
+ if (vcpu->arch.timing_count_type[i] != 0) {
+ min = vcpu->arch.timing_min_duration[i];
+ do_div(min, tb_ticks_per_usec);
+ } else {
+ min = 0;
+ }
max = vcpu->arch.timing_max_duration[i];
do_div(max, tb_ticks_per_usec);
sum = vcpu->arch.timing_sum_duration[i];
@@ -158,7 +163,7 @@ static int kvmppc_exit_timing_show(struct seq_file *m, void *private)
sum_quad = vcpu->arch.timing_sum_quad_duration[i];
do_div(sum_quad, tb_ticks_per_usec);
- seq_printf(m, "%12s %10d %10lld %10lld %20lld %20lld\n",
+ seq_printf(m, "%12s %10d %10lld %10lld %15lld %20lld\n",
kvm_exit_names[i],
vcpu->arch.timing_count_type[i],
min,
--
1.6.4
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