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migration: Trace improvements

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A couple of improvements to tracing that have come out of helping
people with migration problems:
  * vmstate_n_elems trace the count/name - for when you have problems
    getting array counts right
  * vmstate_subsection_load_bad - add the idstr, for when you receive a
    subsection you weren't expecting.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <1465896986-16132-1-git-send-email-dgilbert@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2016-06-14 10:36:26 +01:00 • committed by Amit Shah
parent 4d88513157
commit 023ad1a6e9
2 changed files with 9 additions and 7 deletions
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3
trace-events
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@ -1271,8 +1271,9 @@ vmstate_load_field_error(const char *field, int ret) "field \"%s\" load failed,
vmstate_load_state(const char *name, int version_id) "%s v%d"
vmstate_load_state_end(const char *name, const char *reason, int val) "%s %s/%d"
vmstate_load_state_field(const char *name, const char *field) "%s:%s"
vmstate_n_elems(const char *name, int n_elems) "%s: %d"
vmstate_subsection_load(const char *parent) "%s"
vmstate_subsection_load_bad(const char *parent, const char *sub) "%s: %s"
vmstate_subsection_load_bad(const char *parent, const char *sub, const char *sub2) "%s: %s/%s"
vmstate_subsection_load_good(const char *parent) "%s"
# qemu-file.c