[libvirt] [PATCH v4 1/5] libvirt: Define domain crash event types

Eric Blake eblake at redhat.com
Wed Jun 5 03:03:22 UTC 2013


On 06/02/2013 09:58 PM, Chen Fan wrote:
> This patch introduces domain crashed types and crashed reasons which
> will be used while guest panicked.
> ---
>  examples/domain-events/events-c/event-test.c | 10 ++++++++++
>  include/libvirt/libvirt.h.in                 | 16 ++++++++++++++++
>  src/conf/domain_conf.c                       | 12 ++++++++----
>  3 files changed, 34 insertions(+), 4 deletions(-)
> 

> +++ b/include/libvirt/libvirt.h.in
> @@ -155,6 +155,7 @@ typedef enum {
>      VIR_DOMAIN_RUNNING_SAVE_CANCELED = 7,   /* returned from failed save process */
>      VIR_DOMAIN_RUNNING_WAKEUP = 8,          /* returned from pmsuspended due to
>                                                 wakeup event */
> +    VIR_DOMAIN_RUNNING_CRASHED = 9,          /* resumed from crashed */

Indentation looks odd, but that's a trivial fix.


> @@ -212,6 +215,7 @@ typedef enum {
>  
>  typedef enum {
>      VIR_DOMAIN_CRASHED_UNKNOWN = 0,     /* crashed for unknown reason */
> +    VIR_DOMAIN_CRASHED_PANICKED = 1,     /* domain panicked */

and again


> +++ b/src/conf/domain_conf.c
> @@ -642,7 +642,8 @@ VIR_ENUM_IMPL(virDomainRunningReason, VIR_DOMAIN_RUNNING_LAST,
>                "unpaused",
>                "migration canceled",
>                "save canceled",
> -              "wakeup")
> +              "wakeup",
> +              "from crashed")

Might be better as merely "crashed"

>  
>  VIR_ENUM_IMPL(virDomainBlockedReason, VIR_DOMAIN_BLOCKED_LAST,
>                "unknown")
> @@ -657,11 +658,13 @@ VIR_ENUM_IMPL(virDomainPausedReason, VIR_DOMAIN_PAUSED_LAST,
>                "watchdog",
>                "from snapshot",
>                "shutdown",
> -              "snapshot")
> +              "snapshot",
> +              "guest panicked")

Might be better as merely "panicked"

Overall, looks like a reasonable set of additions in isolation, but I'm
still trying to figure out if support for xen panic detection already
had existing events that we should be reusing, instead of adding new
events just for qemu.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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