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[Qemu-devel] [PATCH v3 03/21] block: define 'clock_type' for the account
From: |
Alberto Garcia |
Subject: |
[Qemu-devel] [PATCH v3 03/21] block: define 'clock_type' for the accounting code |
Date: |
Thu, 22 Oct 2015 11:11:13 +0300 |
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 <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
---
block/accounting.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/block/accounting.c b/block/accounting.c
index a423560..6f4c0f1 100644
--- a/block/accounting.c
+++ b/block/accounting.c
@@ -26,13 +26,15 @@
#include "block/block_int.h"
#include "qemu/timer.h"
+static QEMUClockType clock_type = QEMU_CLOCK_REALTIME;
+
void block_acct_start(BlockAcctStats *stats, BlockAcctCookie *cookie,
int64_t bytes, enum BlockAcctType type)
{
assert(type < BLOCK_MAX_IOTYPE);
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;
}
@@ -43,7 +45,7 @@ void block_acct_done(BlockAcctStats *stats, BlockAcctCookie
*cookie)
stats->nr_bytes[cookie->type] += cookie->bytes;
stats->nr_ops[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;
}
--
2.6.1
- [Qemu-devel] [PATCH v3 00/21] Extended I/O accounting, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 01/21] xen_disk: Account for flush operations, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 07/21] block: Allow configuring whether to account failed and invalid ops, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 08/21] block: Compute minimum, maximum and average I/O latencies, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 02/21] ide: Account for write operations correctly, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 03/21] block: define 'clock_type' for the accounting code,
Alberto Garcia <=
- [Qemu-devel] [PATCH v3 06/21] block: Add statistics for failed and invalid I/O operations, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 05/21] block: Add idle_time_ns to BlockDeviceStats, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 04/21] util: Infrastructure for computing recent averages, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 09/21] block: Add average I/O queue depth to BlockDeviceTimedStats, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 21/21] block: Update copyright of the accounting code, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 12/21] block: Use QEMU_CLOCK_VIRTUAL for the accounting code in qtest mode, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 15/21] virtio-blk: Account for failed and invalid operations, Alberto Garcia, 2015/10/22
- [Qemu-devel] [PATCH v3 19/21] macio: Account for failed operations, Alberto Garcia, 2015/10/22