From 159f85ddc81d56f9bd8c3822d5e7d59814c58e50 Mon Sep 17 00:00:00 2001 From: Anton Nefedov Date: Mon, 23 Sep 2019 15:17:30 +0300 Subject: [PATCH] qapi: add unmap to BlockDeviceStats Signed-off-by: Anton Nefedov Reviewed-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Alberto Garcia Reviewed-by: Eric Blake Message-id: 20190923121737.83281-3-anton.nefedov@virtuozzo.com Signed-off-by: Max Reitz --- block/qapi.c | 6 ++++++ include/block/accounting.h | 1 + qapi/block-core.json | 29 +++++++++++++++++++++++------ tests/qemu-iotests/227.out | 18 ++++++++++++++++++ 4 files changed, 48 insertions(+), 6 deletions(-) diff --git a/block/qapi.c b/block/qapi.c index 7ee2ee065d24..69c35c419699 100644 --- a/block/qapi.c +++ b/block/qapi.c @@ -440,24 +440,30 @@ static void bdrv_query_blk_stats(BlockDeviceStats *ds, BlockBackend *blk) ds->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ]; ds->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE]; + ds->unmap_bytes = stats->nr_bytes[BLOCK_ACCT_UNMAP]; ds->rd_operations = stats->nr_ops[BLOCK_ACCT_READ]; ds->wr_operations = stats->nr_ops[BLOCK_ACCT_WRITE]; + ds->unmap_operations = stats->nr_ops[BLOCK_ACCT_UNMAP]; ds->failed_rd_operations = stats->failed_ops[BLOCK_ACCT_READ]; ds->failed_wr_operations = stats->failed_ops[BLOCK_ACCT_WRITE]; ds->failed_flush_operations = stats->failed_ops[BLOCK_ACCT_FLUSH]; + ds->failed_unmap_operations = stats->failed_ops[BLOCK_ACCT_UNMAP]; ds->invalid_rd_operations = stats->invalid_ops[BLOCK_ACCT_READ]; ds->invalid_wr_operations = stats->invalid_ops[BLOCK_ACCT_WRITE]; ds->invalid_flush_operations = stats->invalid_ops[BLOCK_ACCT_FLUSH]; + ds->invalid_unmap_operations = stats->invalid_ops[BLOCK_ACCT_UNMAP]; ds->rd_merged = stats->merged[BLOCK_ACCT_READ]; ds->wr_merged = stats->merged[BLOCK_ACCT_WRITE]; + ds->unmap_merged = stats->merged[BLOCK_ACCT_UNMAP]; ds->flush_operations = stats->nr_ops[BLOCK_ACCT_FLUSH]; ds->wr_total_time_ns = stats->total_time_ns[BLOCK_ACCT_WRITE]; ds->rd_total_time_ns = stats->total_time_ns[BLOCK_ACCT_READ]; ds->flush_total_time_ns = stats->total_time_ns[BLOCK_ACCT_FLUSH]; + ds->unmap_total_time_ns = stats->total_time_ns[BLOCK_ACCT_UNMAP]; ds->has_idle_time_ns = stats->last_access_time_ns > 0; if (ds->has_idle_time_ns) { diff --git a/include/block/accounting.h b/include/block/accounting.h index d1f67b10ddf4..ba8b04d572eb 100644 --- a/include/block/accounting.h +++ b/include/block/accounting.h @@ -36,6 +36,7 @@ enum BlockAcctType { BLOCK_ACCT_READ, BLOCK_ACCT_WRITE, BLOCK_ACCT_FLUSH, + BLOCK_ACCT_UNMAP, BLOCK_MAX_IOTYPE, }; diff --git a/qapi/block-core.json b/qapi/block-core.json index 5ab554b54aed..7d3e05891c75 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -860,6 +860,8 @@ # # @wr_bytes: The number of bytes written by the device. # +# @unmap_bytes: The number of bytes unmapped by the device (Since 4.2) +# # @rd_operations: The number of read operations performed by the device. # # @wr_operations: The number of write operations performed by the device. @@ -867,6 +869,9 @@ # @flush_operations: The number of cache flush operations performed by the # device (since 0.15.0) # +# @unmap_operations: The number of unmap operations performed by the device +# (Since 4.2) +# # @rd_total_time_ns: Total time spent on reads in nanoseconds (since 0.15.0). # # @wr_total_time_ns: Total time spent on writes in nanoseconds (since 0.15.0). @@ -874,6 +879,9 @@ # @flush_total_time_ns: Total time spent on cache flushes in nanoseconds # (since 0.15.0). # +# @unmap_total_time_ns: Total time spent on unmap operations in nanoseconds +# (Since 4.2) +# # @wr_highest_offset: The offset after the greatest byte written to the # device. The intended use of this information is for # growable sparse files (like qcow2) that are used on top @@ -885,6 +893,9 @@ # @wr_merged: Number of write requests that have been merged into another # request (Since 2.3). # +# @unmap_merged: Number of unmap requests that have been merged into another +# request (Since 4.2) +# # @idle_time_ns: Time since the last I/O operation, in # nanoseconds. If the field is absent it means that # there haven't been any operations yet (Since 2.5). @@ -898,6 +909,9 @@ # @failed_flush_operations: The number of failed flush operations # performed by the device (Since 2.5) # +# @failed_unmap_operations: The number of failed unmap operations performed +# by the device (Since 4.2) +# # @invalid_rd_operations: The number of invalid read operations # performed by the device (Since 2.5) # @@ -907,6 +921,9 @@ # @invalid_flush_operations: The number of invalid flush operations # performed by the device (Since 2.5) # +# @invalid_unmap_operations: The number of invalid unmap operations performed +# by the device (Since 4.2) +# # @account_invalid: Whether invalid operations are included in the # last access statistics (Since 2.5) # @@ -925,18 +942,18 @@ # Since: 0.14.0 ## { 'struct': 'BlockDeviceStats', - 'data': {'rd_bytes': 'int', 'wr_bytes': 'int', + 'data': {'rd_bytes': 'int', 'wr_bytes': 'int', 'unmap_bytes' : 'int', 'rd_operations': 'int', 'wr_operations': 'int', - 'flush_operations': 'int', + 'flush_operations': 'int', 'unmap_operations': 'int', 'rd_total_time_ns': 'int', 'wr_total_time_ns': 'int', - 'flush_total_time_ns': 'int', + 'flush_total_time_ns': 'int', 'unmap_total_time_ns': 'int', 'wr_highest_offset': 'int', - 'rd_merged': 'int', 'wr_merged': 'int', + 'rd_merged': 'int', 'wr_merged': 'int', 'unmap_merged': 'int', '*idle_time_ns': 'int', 'failed_rd_operations': 'int', 'failed_wr_operations': 'int', - 'failed_flush_operations': 'int', + 'failed_flush_operations': 'int', 'failed_unmap_operations': 'int', 'invalid_rd_operations': 'int', 'invalid_wr_operations': 'int', - 'invalid_flush_operations': 'int', + 'invalid_flush_operations': 'int', 'invalid_unmap_operations': 'int', 'account_invalid': 'bool', 'account_failed': 'bool', 'timed_stats': ['BlockDeviceTimedStats'], '*rd_latency_histogram': 'BlockLatencyHistogramInfo', diff --git a/tests/qemu-iotests/227.out b/tests/qemu-iotests/227.out index 3dd3ca57083a..9c09ee3917b9 100644 --- a/tests/qemu-iotests/227.out +++ b/tests/qemu-iotests/227.out @@ -15,6 +15,8 @@ Testing: -drive driver=null-co,read-zeroes=on,if=virtio { "device": "virtio0", "stats": { + "unmap_operations": 0, + "unmap_merged": 0, "flush_total_time_ns": 0, "wr_highest_offset": 0, "wr_total_time_ns": 0, @@ -24,13 +26,17 @@ Testing: -drive driver=null-co,read-zeroes=on,if=virtio "wr_bytes": 0, "timed_stats": [ ], + "failed_unmap_operations": 0, "failed_flush_operations": 0, "account_invalid": true, "rd_total_time_ns": 0, + "invalid_unmap_operations": 0, "flush_operations": 0, "wr_operations": 0, + "unmap_bytes": 0, "rd_merged": 0, "rd_bytes": 0, + "unmap_total_time_ns": 0, "invalid_flush_operations": 0, "account_failed": true, "rd_operations": 0, @@ -74,6 +80,8 @@ Testing: -drive driver=null-co,if=none { "device": "none0", "stats": { + "unmap_operations": 0, + "unmap_merged": 0, "flush_total_time_ns": 0, "wr_highest_offset": 0, "wr_total_time_ns": 0, @@ -83,13 +91,17 @@ Testing: -drive driver=null-co,if=none "wr_bytes": 0, "timed_stats": [ ], + "failed_unmap_operations": 0, "failed_flush_operations": 0, "account_invalid": true, "rd_total_time_ns": 0, + "invalid_unmap_operations": 0, "flush_operations": 0, "wr_operations": 0, + "unmap_bytes": 0, "rd_merged": 0, "rd_bytes": 0, + "unmap_total_time_ns": 0, "invalid_flush_operations": 0, "account_failed": true, "rd_operations": 0, @@ -163,6 +175,8 @@ Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device virtio-b { "device": "", "stats": { + "unmap_operations": 0, + "unmap_merged": 0, "flush_total_time_ns": 0, "wr_highest_offset": 0, "wr_total_time_ns": 0, @@ -172,13 +186,17 @@ Testing: -blockdev driver=null-co,read-zeroes=on,node-name=null -device virtio-b "wr_bytes": 0, "timed_stats": [ ], + "failed_unmap_operations": 0, "failed_flush_operations": 0, "account_invalid": false, "rd_total_time_ns": 0, + "invalid_unmap_operations": 0, "flush_operations": 0, "wr_operations": 0, + "unmap_bytes": 0, "rd_merged": 0, "rd_bytes": 0, + "unmap_total_time_ns": 0, "invalid_flush_operations": 0, "account_failed": false, "rd_operations": 0,