#include "qapi/qmp/qstring.h"
#include "qemu/qemu-print.h"
#include "sysemu/block-backend.h"
-#include "qemu/cutils.h"
BlockDeviceInfo *bdrv_block_device_info(BlockBackend *blk,
BlockDriverState *bs,
{
ImageInfo **p_image_info;
ImageInfo *backing_info;
- BlockDriverState *bs0, *backing;
+ BlockDriverState *backing;
BlockDeviceInfo *info;
ERRP_GUARD();
info->write_threshold = bdrv_write_threshold_get(bs);
- bs0 = bs;
p_image_info = &info->image;
info->backing_file_depth = 0;
* Skip automatically inserted nodes that the user isn't aware of for
* query-block (blk != NULL), but not for query-named-block-nodes
*/
- bdrv_query_image_info(bs0, p_image_info, flat, blk != NULL, errp);
+ bdrv_query_image_info(bs, p_image_info, flat, blk != NULL, errp);
if (*errp) {
qapi_free_BlockDeviceInfo(info);
return NULL;
* Helper function for other query info functions. Store information about @bs
* in @info, setting @errp on error.
*/
-static void bdrv_do_query_node_info(BlockDriverState *bs,
- BlockNodeInfo *info,
- Error **errp)
+static void GRAPH_RDLOCK
+bdrv_do_query_node_info(BlockDriverState *bs, BlockNodeInfo *info, Error **errp)
{
int64_t size;
const char *backing_filename;
aio_context_release(bdrv_get_aio_context(bs));
}
-/**
- * bdrv_query_block_node_info:
- * @bs: block node to examine
- * @p_info: location to store node information
- * @errp: location to store error information
- *
- * Store image information about @bs in @p_info.
- *
- * @p_info will be set only on success. On error, store error in @errp.
- */
-void bdrv_query_block_node_info(BlockDriverState *bs,
- BlockNodeInfo **p_info,
- Error **errp)
-{
- BlockNodeInfo *info;
- ERRP_GUARD();
-
- info = g_new0(BlockNodeInfo, 1);
- bdrv_do_query_node_info(bs, info, errp);
- if (*errp) {
- qapi_free_BlockNodeInfo(info);
- return;
- }
-
- *p_info = info;
-}
-
/**
* bdrv_query_image_info:
* @bs: block node to examine
}
/* @p_info will be set only on success. */
-static void bdrv_query_info(BlockBackend *blk, BlockInfo **p_info,
- Error **errp)
+static void GRAPH_RDLOCK
+bdrv_query_info(BlockBackend *blk, BlockInfo **p_info, Error **errp)
{
BlockInfo *info = g_malloc0(sizeof(*info));
BlockDriverState *bs = blk_bs(blk);
ds->rd_bytes = stats->nr_bytes[BLOCK_ACCT_READ];
ds->wr_bytes = stats->nr_bytes[BLOCK_ACCT_WRITE];
+ ds->zone_append_bytes = stats->nr_bytes[BLOCK_ACCT_ZONE_APPEND];
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->zone_append_operations = stats->nr_ops[BLOCK_ACCT_ZONE_APPEND];
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_zone_append_operations =
+ stats->failed_ops[BLOCK_ACCT_ZONE_APPEND];
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_zone_append_operations =
+ stats->invalid_ops[BLOCK_ACCT_ZONE_APPEND];
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->zone_append_merged = stats->merged[BLOCK_ACCT_ZONE_APPEND];
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->zone_append_total_time_ns =
+ stats->total_time_ns[BLOCK_ACCT_ZONE_APPEND];
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];
TimedAverage *rd = &ts->latency[BLOCK_ACCT_READ];
TimedAverage *wr = &ts->latency[BLOCK_ACCT_WRITE];
+ TimedAverage *zap = &ts->latency[BLOCK_ACCT_ZONE_APPEND];
TimedAverage *fl = &ts->latency[BLOCK_ACCT_FLUSH];
dev_stats->interval_length = ts->interval_length;
dev_stats->max_wr_latency_ns = timed_average_max(wr);
dev_stats->avg_wr_latency_ns = timed_average_avg(wr);
+ dev_stats->min_zone_append_latency_ns = timed_average_min(zap);
+ dev_stats->max_zone_append_latency_ns = timed_average_max(zap);
+ dev_stats->avg_zone_append_latency_ns = timed_average_avg(zap);
+
dev_stats->min_flush_latency_ns = timed_average_min(fl);
dev_stats->max_flush_latency_ns = timed_average_max(fl);
dev_stats->avg_flush_latency_ns = timed_average_avg(fl);
block_acct_queue_depth(ts, BLOCK_ACCT_READ);
dev_stats->avg_wr_queue_depth =
block_acct_queue_depth(ts, BLOCK_ACCT_WRITE);
+ dev_stats->avg_zone_append_queue_depth =
+ block_acct_queue_depth(ts, BLOCK_ACCT_ZONE_APPEND);
QAPI_LIST_PREPEND(ds->timed_stats, dev_stats);
}
= bdrv_latency_histogram_stats(&hgram[BLOCK_ACCT_READ]);
ds->wr_latency_histogram
= bdrv_latency_histogram_stats(&hgram[BLOCK_ACCT_WRITE]);
+ ds->zone_append_latency_histogram
+ = bdrv_latency_histogram_stats(&hgram[BLOCK_ACCT_ZONE_APPEND]);
ds->flush_latency_histogram
= bdrv_latency_histogram_stats(&hgram[BLOCK_ACCT_FLUSH]);
}
-static BlockStats *bdrv_query_bds_stats(BlockDriverState *bs,
- bool blk_level)
+static BlockStats * GRAPH_RDLOCK
+bdrv_query_bds_stats(BlockDriverState *bs, bool blk_level)
{
BdrvChild *parent_child;
BlockDriverState *filter_or_cow_bs;
BlockBackend *blk;
Error *local_err = NULL;
+ GRAPH_RDLOCK_GUARD_MAINLOOP();
+
for (blk = blk_all_next(NULL); blk; blk = blk_all_next(blk)) {
BlockInfoList *info;
BlockBackend *blk;
BlockDriverState *bs;
+ GRAPH_RDLOCK_GUARD_MAINLOOP();
+
/* Just to be safe if query_nodes is not always initialized */
if (has_query_nodes && query_nodes) {
for (bs = bdrv_next_node(NULL); bs; bs = bdrv_next_node(bs)) {
* prepending an optional prefix if the dump is not empty.
*/
void bdrv_image_info_specific_dump(ImageInfoSpecific *info_spec,
- const char *prefix)
+ const char *prefix,
+ int indentation)
{
QObject *obj, *data;
Visitor *v = qobject_output_visitor_new(&obj);
data = qdict_get(qobject_to(QDict, obj), "data");
if (!qobject_is_empty_dump(data)) {
if (prefix) {
- qemu_printf("%s", prefix);
+ qemu_printf("%*s%s", indentation * 4, "", prefix);
}
- dump_qobject(1, data);
+ dump_qobject(indentation + 1, data);
}
qobject_unref(obj);
visit_free(v);
}
-void bdrv_node_info_dump(BlockNodeInfo *info)
+/**
+ * Print the given @info object in human-readable form. Every field is indented
+ * using the given @indentation (four spaces per indentation level).
+ *
+ * When using this to print a whole block graph, @protocol can be set to true to
+ * signify that the given information is associated with a protocol node, i.e.
+ * just data storage for an image, such that the data it presents is not really
+ * a full VM disk. If so, several fields change name: For example, "virtual
+ * size" is printed as "file length".
+ * (Consider a qcow2 image, which is represented by a qcow2 node and a file
+ * node. Printing a "virtual size" for the file node does not make sense,
+ * because without the qcow2 node, it is not really a guest disk, so it does not
+ * have a "virtual size". Therefore, we call it "file length" instead.)
+ *
+ * @protocol is ignored when @indentation is 0, because we take that to mean
+ * that the associated node is the root node in the queried block graph, and
+ * thus is always to be interpreted as a standalone guest disk.
+ */
+void bdrv_node_info_dump(BlockNodeInfo *info, int indentation, bool protocol)
{
char *size_buf, *dsize_buf;
+ g_autofree char *ind_s = g_strdup_printf("%*s", indentation * 4, "");
+
+ if (indentation == 0) {
+ /* Top level, consider this a normal image */
+ protocol = false;
+ }
+
if (!info->has_actual_size) {
dsize_buf = g_strdup("unavailable");
} else {
dsize_buf = size_to_str(info->actual_size);
}
size_buf = size_to_str(info->virtual_size);
- qemu_printf("image: %s\n"
- "file format: %s\n"
- "virtual size: %s (%" PRId64 " bytes)\n"
- "disk size: %s\n",
- info->filename, info->format, size_buf,
- info->virtual_size,
- dsize_buf);
+ qemu_printf("%s%s: %s\n"
+ "%s%s: %s\n"
+ "%s%s: %s (%" PRId64 " bytes)\n"
+ "%sdisk size: %s\n",
+ ind_s, protocol ? "filename" : "image", info->filename,
+ ind_s, protocol ? "protocol type" : "file format",
+ info->format,
+ ind_s, protocol ? "file length" : "virtual size",
+ size_buf, info->virtual_size,
+ ind_s, dsize_buf);
g_free(size_buf);
g_free(dsize_buf);
if (info->has_encrypted && info->encrypted) {
- qemu_printf("encrypted: yes\n");
+ qemu_printf("%sencrypted: yes\n", ind_s);
}
if (info->has_cluster_size) {
- qemu_printf("cluster_size: %" PRId64 "\n",
- info->cluster_size);
+ qemu_printf("%scluster_size: %" PRId64 "\n",
+ ind_s, info->cluster_size);
}
if (info->has_dirty_flag && info->dirty_flag) {
- qemu_printf("cleanly shut down: no\n");
+ qemu_printf("%scleanly shut down: no\n", ind_s);
}
if (info->backing_filename) {
- qemu_printf("backing file: %s", info->backing_filename);
+ qemu_printf("%sbacking file: %s", ind_s, info->backing_filename);
if (!info->full_backing_filename) {
qemu_printf(" (cannot determine actual path)");
} else if (strcmp(info->backing_filename,
}
qemu_printf("\n");
if (info->backing_filename_format) {
- qemu_printf("backing file format: %s\n",
- info->backing_filename_format);
+ qemu_printf("%sbacking file format: %s\n",
+ ind_s, info->backing_filename_format);
}
}
if (info->has_snapshots) {
SnapshotInfoList *elem;
- qemu_printf("Snapshot list:\n");
+ qemu_printf("%sSnapshot list:\n", ind_s);
+ qemu_printf("%s", ind_s);
bdrv_snapshot_dump(NULL);
qemu_printf("\n");
pstrcpy(sn.id_str, sizeof(sn.id_str), elem->value->id);
pstrcpy(sn.name, sizeof(sn.name), elem->value->name);
+ qemu_printf("%s", ind_s);
bdrv_snapshot_dump(&sn);
qemu_printf("\n");
}
if (info->format_specific) {
bdrv_image_info_specific_dump(info->format_specific,
- "Format specific information:\n");
+ "Format specific information:\n",
+ indentation);
}
}
projects / mirror_qemu.git / blobdiff