62 lines
2.8 KiB
Diff
62 lines
2.8 KiB
Diff
From f6cbb39d3db9b138b98e9d5af3f50e430520302f Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Sun, 8 Jun 2025 10:40:26 +0100
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Subject: [PATCH] vddk: stats: Record the byte count of each
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QueryAllocatedBlocks call
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In -D vddk.stats=1 output, keep track of the size of each call to
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QueryAllocatedBlocks, and display that at the end.
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After this change, we see the number of bytes scanned in the "bytes"
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column (previously this column was empty for this call):
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nbdkit: debug: VixDiskLib_... us calls bytes
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nbdkit: debug: Open 27051497 2
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nbdkit: debug: GetInfo 12538428 4
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nbdkit: debug: ConnectEx 6944819 2
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nbdkit: debug: QueryAllocatedBlocks 4563503 3 21474967552
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nbdkit: debug: Close 1440271 2
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nbdkit: debug: Exit 1001407 1
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(cherry picked from commit 2db1ede27bb529b36b0075eab337f0c585d1a7ec)
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---
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plugins/vddk/worker.c | 9 ++++++---
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1 file changed, 6 insertions(+), 3 deletions(-)
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diff --git a/plugins/vddk/worker.c b/plugins/vddk/worker.c
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index 27f56e37..bb088418 100644
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--- a/plugins/vddk/worker.c
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+++ b/plugins/vddk/worker.c
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@@ -327,7 +327,8 @@ test_can_extents (struct vddk_handle *h)
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0, VIXDISKLIB_MIN_CHUNK_SIZE,
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VIXDISKLIB_MIN_CHUNK_SIZE,
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&block_list);
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- VDDK_CALL_END (VixDiskLib_QueryAllocatedBlocks, 0);
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+ VDDK_CALL_END (VixDiskLib_QueryAllocatedBlocks,
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+ VIXDISKLIB_MIN_CHUNK_SIZE * VIXDISKLIB_SECTOR_SIZE);
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error_suppression = 0;
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if (err == VIX_OK) {
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VDDK_CALL_START (VixDiskLib_FreeBlockList, "block_list")
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@@ -435,7 +436,8 @@ get_extents_slow (struct command *cmd, struct vddk_handle *h)
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start_sector, nr_sectors,
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VIXDISKLIB_MIN_CHUNK_SIZE,
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&block_list);
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- VDDK_CALL_END (VixDiskLib_QueryAllocatedBlocks, 0);
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+ VDDK_CALL_END (VixDiskLib_QueryAllocatedBlocks,
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+ nr_sectors * VIXDISKLIB_SECTOR_SIZE);
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if (err != VIX_OK) {
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VDDK_ERROR (err, "VixDiskLib_QueryAllocatedBlocks");
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return -1;
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@@ -535,7 +537,8 @@ pre_cache_extents (struct vddk_handle *h)
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start_sector, nr_sectors,
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VIXDISKLIB_MIN_CHUNK_SIZE,
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&block_list);
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- VDDK_CALL_END (VixDiskLib_QueryAllocatedBlocks, 0);
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+ VDDK_CALL_END (VixDiskLib_QueryAllocatedBlocks,
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+ nr_sectors * VIXDISKLIB_SECTOR_SIZE);
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if (err != VIX_OK) {
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VDDK_ERROR (err, "VixDiskLib_QueryAllocatedBlocks");
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nbdkit_extents_free (extents);
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--
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2.47.1
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