Hi all!
Here is a new function dbg_dump_block_layer() to help with block layer
code debugging.
Usage:
1. Add dbg_dump_block_layer("/path/to/dump.json") call in some place
were you are trying to understand the relations in block graph and run
your test. Or just call dbg_dump_block_layer("/path/to/dump.json") from
gdb session if attached to running Qemu.
2. Convert json to png image:
.scripts/render_block_graph.py --json /path/to/dump.json /path/to/out
And get your /path/to/out dot file and /path/to/out.png image.
Vladimir Sementsov-Ogievskiy (4):
block: bdrv_get_xdbg_block_graph() drop unused errp argument
blockjob: add block_jobs_info_list()
block: add dbg_dump_block_layer()
scripts/render_block_graph.py: add ability to parse json files
qapi/block-core.json | 13 +++++++++
include/block/block.h | 5 +++-
include/block/blockjob.h | 7 +++++
block.c | 53 +++++++++++++++++++++++++++++++++--
blockdev.c | 28 ++----------------
blockjob.c | 29 +++++++++++++++++++
MAINTAINERS | 5 ++++
scripts/render_block_graph.py | 53 ++++++++++++++++++++++-------------
8 files changed, 145 insertions(+), 48 deletions(-)
--
2.21.3
