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[Qemu-devel] [PATCH 1/4 v3] block: add image fragmentation statistics to
From: |
Dong Xu Wang |
Subject: |
[Qemu-devel] [PATCH 1/4 v3] block: add image fragmentation statistics to qemu-img |
Date: |
Thu, 15 Mar 2012 20:47:19 +0800 |
From: Dong Xu Wang <address@hidden>
Discussion can be found at:
http://patchwork.ozlabs.org/patch/128730/
This patch add image fragmentation statistics while using qemu-img check.
Signed-off-by: Dong Xu Wang <address@hidden>
---
block.h | 7 +++++++
qemu-img.c | 9 ++++++++-
2 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/block.h b/block.h
index 415bb17..32e1e58 100644
--- a/block.h
+++ b/block.h
@@ -17,6 +17,12 @@ typedef struct BlockDriverInfo {
int64_t vm_state_offset;
} BlockDriverInfo;
+typedef struct BlockFragInfo {
+ uint64_t allocated_clusters;
+ uint64_t total_clusters;
+ uint64_t fragmented_clusters;
+} BlockFragInfo;
+
typedef struct QEMUSnapshotInfo {
char id_str[128]; /* unique snapshot id */
/* the following fields are informative. They are not needed for
@@ -175,6 +181,7 @@ typedef struct BdrvCheckResult {
int corruptions;
int leaks;
int check_errors;
+ BlockFragInfo bfi;
} BdrvCheckResult;
int bdrv_check(BlockDriverState *bs, BdrvCheckResult *res);
diff --git a/qemu-img.c b/qemu-img.c
index 0e48b35..4de48ba 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -428,6 +428,13 @@ static int img_check(int argc, char **argv)
}
}
+ if (result.bfi.total_clusters != 0 && result.bfi.allocated_clusters != 0) {
+ printf("%" PRId64 "/%" PRId64 "= %0.2f%% allocated, %0.2f%%
fragmented\n",
+ result.bfi.allocated_clusters, result.bfi.total_clusters,
+ result.bfi.allocated_clusters * 100.0 / result.bfi.total_clusters,
+ result.bfi.fragmented_clusters * 100.0 /
result.bfi.allocated_clusters);
+ }
+
bdrv_delete(bs);
if (ret < 0 || result.check_errors) {
@@ -716,7 +723,7 @@ static int img_convert(int argc, char **argv)
ret = -1;
goto out;
}
-
+
qemu_progress_init(progress, 2.0);
qemu_progress_print(0, 100);
--
1.7.5.4
- [Qemu-devel] [PATCH 1/4 v3] block: add image fragmentation statistics to qemu-img, Dong Xu Wang, 2012/03/15
- [Qemu-devel] [PATCH 4/4] block: track dirty flag status in qed, Dong Xu Wang, 2012/03/15
- [Qemu-devel] [PATCH 2/4 v3] block: image fragmentation statistics for qed, Dong Xu Wang, 2012/03/15
- [Qemu-devel] [PATCH 3/4 v3] block: add dirty flag status to qemu-img, Dong Xu Wang, 2012/03/15
- Re: [Qemu-devel] [PATCH 1/4 v3] block: add image fragmentation statistics to qemu-img, Stefan Hajnoczi, 2012/03/15
- Re: [Qemu-devel] [PATCH 1/4 v3] block: add image fragmentation statistics to qemu-img, Stefan Hajnoczi, 2012/03/29
- [Qemu-devel] [PATCH 1/4 v3] block: add image fragmentation statistics to qemu-img,
Dong Xu Wang <=