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util/qemu-error: prepend guest name to error message to identify affected VM owner

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This is followup patch to the one submitted back in Oct, 19

https://lists.gnu.org/archive/html/qemu-devel/2019-10/msg02102.html

My mistake here, I took my eyes of the mailing list after I got the
initial thumbs up. This patch follows up on Markus comments in the
above link.

Purpose of this patch:

We want to print guest name for errors, warnings and info messages. This
was the first of two patches the second being MCE errors targeting a VM
with guest name prepended. But in a large fleet we see many other
errors that disable a VM or crash it. In a large fleet and centralized
logging having the guest name enables identify of owner and customer.

Signed-off-by: Mario Smarduch <msmarduch@digitalocean.com>
Message-Id: <20200626201900.8876-1-msmarduch@digitalocean.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Mario Smarduch 2020-06-26 13:19:00 -07:00 • committed by Paolo Bonzini
parent 3bcb5840f1
commit 2880ffb089
4 changed files with 27 additions and 3 deletions
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2
include/qemu/error-report.h
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@ -75,5 +75,7 @@ void error_init(const char *argv0);
const char *error_get_progname(void);
extern bool error_with_timestamp;
extern bool error_with_guestname;
extern const char *error_guest_name;
#endif