xenstat.plugin: check xenstat_vbd_error presence (#7103)
The xenstat_vbd_error function is going to be part of the xen 4.13 release. The workaround here is to check if the function is already present in configuration phase and set vbd_m->error always to 0 if xenstat_vbd_error does not exist.
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509882ea3b
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@ -333,7 +333,11 @@ static int vbd_metrics_collect(struct domain_metrics *d, xenstat_domain *domain)
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return 1;
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}
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#ifdef HAVE_XENSTAT_VBD_ERROR
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vbd_m->error = xenstat_vbd_error(vbd);
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#else
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vbd_m->error = 0;
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#endif
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vbd_m->oo_reqs = xenstat_vbd_oo_reqs(vbd);
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vbd_m->rd_reqs = xenstat_vbd_rd_reqs(vbd);
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vbd_m->wr_reqs = xenstat_vbd_wr_reqs(vbd);
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16
configure.ac
16
configure.ac
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@ -748,6 +748,22 @@ fi
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AC_MSG_RESULT([${enable_plugin_xenstat}])
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AM_CONDITIONAL([ENABLE_PLUGIN_XENSTAT], [test "${enable_plugin_xenstat}" = "yes"])
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if test "${enable_plugin_xenstat}" == "yes"; then
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AC_MSG_CHECKING([for xenstat_vbd_error in -lxenstat])
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AC_TRY_LINK(
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[ #include <xenstat.h> ],
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[
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xenstat_vbd * vbd;
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int out = xenstat_vbd_error(vbd);
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],
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[
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have_xenstat_vbd_error=yes
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AC_DEFINE([HAVE_XENSTAT_VBD_ERROR], [1], [xenstat_vbd_error usability])
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],
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[ have_xenstat_vbd_error=no ]
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)
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AC_MSG_RESULT([${have_xenstat_vbd_error}])
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fi
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# -----------------------------------------------------------------------------
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# perf.plugin
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