Re: [libvirt] [PATCH 2/6] domMemoryStats: Add public symbol to libvirt API

Add a new function 'virDomainMemoryStats' to the libvirt API. Export it via libvirt_public.syms Signed-off-by: Adam Litke <agl(a)us.ibm.com&gt; To: libvirt list <libvir-list(a)redhat.com&gt; --- src/libvirt.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++ src/libvirt_public.syms | 2 + 2 files changed, 66 insertions(+), 0 deletions(-) diff --git a/src/libvirt.c b/src/libvirt.c index b14942d..0af1ee3 100644 --- a/src/libvirt.c +++ b/src/libvirt.c @@ -4045,6 +4045,70 @@ error: } /** + * virDomainMemStats: + * @dom: pointer to the domain object + * @stats: nr_stats-sized array of stat structures (returned) + * @nr_stats: number of memory statistics requested + * + * This function provides memory statistics for the domain. + * + * Up to 'nr_stats' elements of 'stats' will be populated with memory statistics + * from the domain. Only statistics supported by the domain, the driver, and + * this version of libvirt will be returned.

+ * + * Memory Statistics: + * + * VIR_MEMSTAT_SWAP_IN: + * The total amount of data read from swap space (in bytes). + * VIR_MEMSTAT_SWAP_OUT: + * The total amount of memory written out to swap space (in bytes). + * VIR_MEMSTAT_MAJOR_FAULT: + * The number of page faults that required disk IO to service. + * VIR_MEMSTAT_MINOR_FAULT: + * The number of page faults serviced without disk IO. + * VIR_MEMSTAT_MEM_FREE: + * The amount of memory which is not being used for any purpose (in bytes). + * VIR_MEMSTAT_MEM_TOTAL: + * The total amount of memory recognized by the domain's OS (in bytes). + * + * Returns: The number of stats provided or -1 in case of failure. + */ +int virDomainMemoryStats (virDomainPtr dom, virDomainMemoryStatPtr stats, + unsigned int nr_stats) +{

diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms index 8921c1a..5761a7e 100644 --- a/src/libvirt_public.syms +++ b/src/libvirt_public.syms @@ -327,6 +327,8 @@ LIBVIRT_0.7.2 { virStreamAbort; virStreamFree; virDomainMigrateToURI; + # XXX: For testing only -- Move to 0.7.3 section + virDomainMemoryStats; } LIBVIRT_0.7.1;