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virsh: Introduce --nowait to domstats
This new switch can be used to set VIR_CONNECT_GET_ALL_DOMAINS_STATS_NOWAIT flag for stats fetching API. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: John Ferlan <jferlan@redhat.com>
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@ -1992,6 +1992,10 @@ static const vshCmdOptDef opts_domstats[] = {
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.type = VSH_OT_BOOL,
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.help = N_("add backing chain information to block stats"),
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},
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{.name = "nowait",
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.type = VSH_OT_BOOL,
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.help = N_("report only stats that are accessible instantly"),
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},
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VIRSH_COMMON_OPT_DOMAIN_OT_ARGV(N_("list of domains to get stats for"), 0),
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{.name = NULL}
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};
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@ -2087,6 +2091,9 @@ cmdDomstats(vshControl *ctl, const vshCmd *cmd)
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if (vshCommandOptBool(cmd, "backing"))
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flags |= VIR_CONNECT_GET_ALL_DOMAINS_STATS_BACKING;
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if (vshCommandOptBool(cmd, "nowait"))
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flags |= VIR_CONNECT_GET_ALL_DOMAINS_STATS_NOWAIT;
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if (vshCommandOptBool(cmd, "domain")) {
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if (VIR_ALLOC_N(domlist, 1) < 0)
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goto cleanup;
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@ -968,11 +968,11 @@ that require a block device name (such as I<domblkinfo> or
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I<snapshot-create> for disk snapshots) will accept either target
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or unique source names printed by this command.
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=item B<domstats> [I<--raw>] [I<--enforce>] [I<--backing>] [I<--state>]
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[I<--cpu-total>] [I<--balloon>] [I<--vcpu>] [I<--interface>] [I<--block>]
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[I<--perf>] [[I<--list-active>] [I<--list-inactive>] [I<--list-persistent>]
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[I<--list-transient>] [I<--list-running>] [I<--list-paused>]
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[I<--list-shutoff>] [I<--list-other>]] | [I<domain> ...]
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=item B<domstats> [I<--raw>] [I<--enforce>] [I<--backing>] [I<--nowait>]
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[I<--state>] [I<--cpu-total>] [I<--balloon>] [I<--vcpu>] [I<--interface>]
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[I<--block>] [I<--perf>] [[I<--list-active>] [I<--list-inactive>]
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[I<--list-persistent>] [I<--list-transient>] [I<--list-running>]
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[I<--list-paused>] [I<--list-shutoff>] [I<--list-other>]] | [I<domain> ...]
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Get statistics for multiple or all domains. Without any argument this
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command prints all available statistics for all domains.
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@ -1123,6 +1123,12 @@ daemon supports the selected group of stats. Flag I<--enforce>
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forces the command to fail if the daemon doesn't support the
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selected group.
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When collecting stats libvirtd may wait for some time if there's
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already another job running on given domain for it to finish.
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This may cause unnecessary delay in delivering stats. Using
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I<--nowait> suppresses this behaviour. On the other hand
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some statistics might be missing for such domain.
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=item B<domiflist> I<domain> [I<--inactive>]
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Print a table showing the brief information of all virtual interfaces
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