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[thin_debug] Show space map roots in superblock

This commit is contained in:
Ming-Hung Tsai 2021-01-13 11:43:14 +08:00
parent 127f44c66b
commit 3bfa775887
1 changed files with 37 additions and 4 deletions
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41
thin-provisioning/thin_debug.cc
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@ -31,6 +31,7 @@
#include "persistent-data/data-structures/btree.h"
#include "persistent-data/data-structures/simple_traits.h"
#include "persistent-data/file_utils.h"
#include "persistent-data/space-maps/disk_structures.h"
#include "thin-provisioning/commands.h"
#include "thin-provisioning/metadata.h"
#include "thin-provisioning/metadata_checker.h"
@ -61,7 +62,7 @@ namespace {
fields_.push_back(field_type(name, t));
}
virtual void output(ostream &out, int depth = 0) = 0;
virtual void output(ostream &out, int depth = 0, boost::optional<string> name = boost::none) = 0;
protected:
typedef boost::variant<string, ptr> value;
@ -80,9 +81,12 @@ namespace {
class xml_formatter : public formatter {
public:
virtual void output(ostream &out, int depth) {
virtual void output(ostream &out, int depth, boost::optional<string> name = boost::none) {
indent(depth, out);
out << "<fields>" << endl;
if (name && (*name).length())
out << "<fields id=\"" << *name << "\">" << endl;
else
out << "<fields>" << endl;
vector<field_type>::const_iterator it;
for (it = fields_.begin(); it != fields_.end(); ++it) {
if (string const *s = get<string>(&it->get<1>())) {
@ -96,7 +100,7 @@ namespace {
} else {
formatter::ptr f = get<formatter::ptr>(it->get<1>());
f->output(out, depth + 1);
f->output(out, depth + 1, it->get<0>());
}
}
@ -216,6 +220,17 @@ namespace {
command_interpreter &interpreter_;
};
class sm_root_show_traits : public persistent_data::sm_disk_detail::sm_root_traits {
public:
static void show(formatter &f, string const &key,
persistent_data::sm_disk_detail::sm_root const &value) {
field(f, "nr blocks", value.nr_blocks_);
field(f, "nr allocated", value.nr_allocated_);
field(f, "bitmap root", value.bitmap_root_);
field(f, "ref count root", value.ref_count_root_);
}
};
class show_superblock : public command {
public:
explicit show_superblock(metadata::ptr md)
@ -236,6 +251,24 @@ namespace {
field(f, "time", sb.time_);
field(f, "trans id", sb.trans_id_);
field(f, "metadata snap", sb.metadata_snap_);
sm_disk_detail::sm_root_disk const *d;
sm_disk_detail::sm_root v;
{
d = reinterpret_cast<sm_disk_detail::sm_root_disk const *>(sb.metadata_space_map_root_);
sm_disk_detail::sm_root_traits::unpack(*d, v);
formatter::ptr f2(new xml_formatter);
sm_root_show_traits::show(*f2, "value", v);
f.child("metadata space map root", f2);
}
{
d = reinterpret_cast<sm_disk_detail::sm_root_disk const *>(sb.data_space_map_root_);
sm_disk_detail::sm_root_traits::unpack(*d, v);
formatter::ptr f2(new xml_formatter);
sm_root_show_traits::show(*f2, "value", v);
f.child("data space map root", f2);
}
field(f, "data mapping root", sb.data_mapping_root_);
field(f, "device details root", sb.device_details_root_);
field(f, "data block size", sb.data_block_size_);