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copy: report number of clashes

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Thomas Schoebel-Theuer 2012-12-20 11:22:41 +01:00 committed by Thomas Schoebel-Theuer
parent 446f821871
commit 71fab6b8c0
2 changed files with 5 additions and 0 deletions
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4
mars_copy.c
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@ -37,6 +37,7 @@ void _clash(struct copy_brick *brick)
{
brick->trigger = true;
set_bit(0, &brick->clash);
atomic_inc(&brick->total_clash_count);
wake_up_interruptible(&brick->event);
}
@ -735,6 +736,7 @@ char *copy_statistics(struct copy_brick *brick, int verbose)
"low_dirty = %d "
"is_aborting = %d "
"clash = %lu | "
"total clash_count = %d | "
"io_flight = %d "
"copy_flight = %d\n",
brick->copy_start,
@ -747,6 +749,7 @@ char *copy_statistics(struct copy_brick *brick, int verbose)
brick->low_dirty,
brick->is_aborting,
brick->clash,
atomic_read(&brick->total_clash_count),
atomic_read(&brick->io_flight),
atomic_read(&brick->copy_flight));
@ -756,6 +759,7 @@ char *copy_statistics(struct copy_brick *brick, int verbose)
static
void copy_reset_statistics(struct copy_brick *brick)
{
atomic_set(&brick->total_clash_count, 0);
}
//////////////// object / aspect constructors / destructors ///////////////

1
mars_copy.h
View File

@ -67,6 +67,7 @@ struct copy_brick {
// internal
bool trigger;
unsigned long clash;
atomic_t total_clash_count;
atomic_t io_flight;
atomic_t copy_flight;
long long last_jiffies;