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hmp: add basic "info stats" implementation

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Add an HMP command to retrieve statistics collected at run-time.
The command will retrieve and print either all VM-level statistics,
or all vCPU-level statistics for the currently selected CPU.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Mark Kanda 2022-04-26 12:17:35 +02:00 • committed by Paolo Bonzini
parent cfb3448922
commit 433815f5bd
3 changed files with 204 additions and 0 deletions
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13
hmp-commands-info.hx
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@ -894,3 +894,16 @@ SRST
``info via``
Show guest mos6522 VIA devices.
ERST
{
.name = "stats",
.args_type = "target:s",
.params = "target",
.help = "show statistics; target is either vm or vcpu",
.cmd = hmp_info_stats,
},
SRST
``stats``
Show runtime-collected statistics
ERST