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api: Allow keeping completed domain job stats when reading them

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virDomainGetJobStats destroys the completed statistics on the first
read. Give the user possibility to keep them around if they wish so.

Add a flag VIR_DOMAIN_JOB_STATS_KEEP_COMPLETED which will read the stats
without destroying them.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Peter Krempa 2019-11-22 13:23:31 +01:00
parent 54a9d6e51e
commit d4a4933a0d
2 changed files with 7 additions and 1 deletions
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2
include/libvirt/libvirt-domain.h
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@ -3246,6 +3246,8 @@ struct _virDomainJobInfo {
typedef enum {
VIR_DOMAIN_JOB_STATS_COMPLETED = 1 << 0, /* return stats of a recently
* completed job */
VIR_DOMAIN_JOB_STATS_KEEP_COMPLETED = 1 << 1, /* don't remove completed
stats when reading them */
} virDomainGetJobStatsFlags;
int virDomainGetJobInfo(virDomainPtr dom,

6
src/libvirt-domain.c
View File

@ -8796,7 +8796,8 @@ virDomainGetJobInfo(virDomainPtr domain, virDomainJobInfoPtr info)
* flag may be used to query statistics of a completed incoming pre-copy
* migration (statistics for post-copy migration are only available on the
* source host). Statistics of a completed job are automatically destroyed
* once read or when libvirtd is restarted. Note that time information
* once read (unless the VIR_DOMAIN_JOB_STATS_COMPLETED_KEEP is used as well)
* or when libvirtd is restarted. Note that time information
* returned for completed migrations may be completely irrelevant unless both
* source and destination hosts have synchronized time (i.e., NTP daemon is
* running on both of them). The statistics of a completed job can also be
@ -8823,6 +8824,9 @@ virDomainGetJobStats(virDomainPtr domain,
virCheckNonNullArgGoto(type, error);
virCheckNonNullArgGoto(params, error);
virCheckNonNullArgGoto(nparams, error);
VIR_REQUIRE_FLAG_GOTO(VIR_DOMAIN_JOB_STATS_KEEP_COMPLETED,
VIR_DOMAIN_JOB_STATS_COMPLETED,
error);
conn = domain->conn;