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block: define 'clock_type' for the accounting code

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Its value is still QEMU_CLOCK_REALTIME, but having it in a variable will
allow us to change its value easily in the future when running in qtest
mode.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 547485eb841cf9e3b2770c96539ae9ae5996e214.1446044837.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2015-10-28 17:33:00 +02:00 committed by Kevin Wolf
parent c618f331d3
commit 5519593c07
1 changed files with 4 additions and 2 deletions
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6
block/accounting.c
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@ -26,13 +26,15 @@
#include "block/block_int.h" #include "block/block_int.h"
#include "qemu/timer.h" #include "qemu/timer.h"
static QEMUClockType clock_type = QEMU_CLOCK_REALTIME;
void block_acct_start(BlockAcctStats *stats, BlockAcctCookie *cookie, void block_acct_start(BlockAcctStats *stats, BlockAcctCookie *cookie,
int64_t bytes, enum BlockAcctType type) int64_t bytes, enum BlockAcctType type)
{ {
assert(type < BLOCK_MAX_IOTYPE); assert(type < BLOCK_MAX_IOTYPE);
cookie->bytes = bytes; cookie->bytes = bytes;
cookie->start_time_ns = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); cookie->start_time_ns = qemu_clock_get_ns(clock_type);
cookie->type = type; cookie->type = type;
} }
@ -43,7 +45,7 @@ void block_acct_done(BlockAcctStats *stats, BlockAcctCookie *cookie)
stats->nr_bytes[cookie->type] += cookie->bytes; stats->nr_bytes[cookie->type] += cookie->bytes;
stats->nr_ops[cookie->type]++; stats->nr_ops[cookie->type]++;
stats->total_time_ns[cookie->type] += stats->total_time_ns[cookie->type] +=
qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - cookie->start_time_ns; qemu_clock_get_ns(clock_type) - cookie->start_time_ns;
} }