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authorMarkus Armbruster <armbru@redhat.com>2019-08-12 07:23:32 +0200
committerMarkus Armbruster <armbru@redhat.com>2019-08-16 13:31:51 +0200
commit2ae16a6aa4ce688e2ee25dec3ad2f023bece0b14 (patch)
treec522f0f34558a2a4e621216300e812674fb51c17 /monitor/monitor-internal.h
parentec150c7e09071bcf51bfaa8071fe23efb6df69f7 (diff)
downloadfocaccia-qemu-2ae16a6aa4ce688e2ee25dec3ad2f023bece0b14.tar.gz
focaccia-qemu-2ae16a6aa4ce688e2ee25dec3ad2f023bece0b14.zip
Include generated QAPI headers less
Some of the generated qapi-types-MODULE.h are included all over the
place.  Changing a QAPI type can trigger massive recompiling.  Top
scorers recompile more than 1000 out of some 6600 objects (not
counting tests and objects that don't depend on qemu/osdep.h):

    6300 qapi/qapi-builtin-types.h
    5700 qapi/qapi-types-run-state.h
    3900 qapi/qapi-types-common.h
    3300 qapi/qapi-types-sockets.h
    3000 qapi/qapi-types-misc.h
    3000 qapi/qapi-types-crypto.h
    3000 qapi/qapi-types-job.h
    3000 qapi/qapi-types-block-core.h
    2800 qapi/qapi-types-block.h
    1300 qapi/qapi-types-net.h

Clean up headers to include generated QAPI headers only where needed.
Impact is negligible except for hw/qdev-properties.h.

This header includes qapi/qapi-types-block.h and
qapi/qapi-types-misc.h.  They are used only in expansions of property
definition macros such as DEFINE_PROP_BLOCKDEV_ON_ERROR() and
DEFINE_PROP_OFF_AUTO().  Moving their inclusion from
hw/qdev-properties.h to the users of these macros avoids pointless
recompiles.  This is how other property definition macros, such as
DEFINE_PROP_NETDEV(), already work.

Improves things for some of the top scorers:

    3600 qapi/qapi-types-common.h
    2800 qapi/qapi-types-sockets.h
     900 qapi/qapi-types-misc.h
    2200 qapi/qapi-types-crypto.h
    2100 qapi/qapi-types-job.h
    2100 qapi/qapi-types-block-core.h
     270 qapi/qapi-types-block.h

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190812052359.30071-3-armbru@redhat.com>
Diffstat (limited to 'monitor/monitor-internal.h')
-rw-r--r--monitor/monitor-internal.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h
index 7760b22ba3..d78f5ca190 100644
--- a/monitor/monitor-internal.h
+++ b/monitor/monitor-internal.h
@@ -27,7 +27,6 @@
 
 #include "chardev/char-fe.h"
 #include "monitor/monitor.h"
-#include "qapi/qapi-types-misc.h"
 #include "qapi/qmp/dispatch.h"
 #include "qapi/qmp/json-parser.h"
 #include "qemu/readline.h"