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virsh: Display perf enabled/disabled message for set operations 

When setting perf events, the enabled/disabled perf events are not
listed. Since we know which events were changed it's possible to
print out the values on successful set, such as :

    virsh perf Domain --enable instructions --disable cache_misses
    instructions   : enabled
    cache_misses   : disabled

Created a helper to print the messages - use the vshPrintExtra to
adhere to the --quiet|-q option being set by some script. This will
cause the get code to print nothing, but will return success/failure.

Signed-off-by: Nitesh Konkar <nitkon12@linux.vnet.ibm.com>
This commit is contained in:
Nitesh Konkar 2016-12-28 17:06:22 +05:30 committed by John Ferlan
parent 779073c575
commit 0289b8b2ba
1 changed files with 18 additions and 9 deletions
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27
tools/virsh-domain.c
View File

@ -8848,13 +8848,27 @@ virshParseEventStr(const char *event,
return ret;
}
static void
virshPrintPerfStatus(vshControl *ctl, virTypedParameterPtr params, int nparams)
{
size_t i;
for (i = 0; i < nparams; i++) {
if (params[i].type == VIR_TYPED_PARAM_BOOLEAN &&
params[i].value.b) {
vshPrintExtra(ctl, "%-15s: %s\n", params[i].field, _("enabled"));
} else {
vshPrintExtra(ctl, "%-15s: %s\n", params[i].field, _("disabled"));
}
}
}
static bool
cmdPerf(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
int nparams = 0;
int maxparams = 0;
size_t i;
virTypedParameterPtr params = NULL;
bool ret = false;
const char *enable = NULL, *disable = NULL;
@ -8891,18 +8905,13 @@ cmdPerf(vshControl *ctl, const vshCmd *cmd)
vshError(ctl, "%s", _("Unable to get perf events"));
goto cleanup;
}
for (i = 0; i < nparams; i++) {
if (params[i].type == VIR_TYPED_PARAM_BOOLEAN &&
params[i].value.b) {
vshPrint(ctl, "%-15s: %s\n", params[i].field, _("enabled"));
} else {
vshPrint(ctl, "%-15s: %s\n", params[i].field, _("disabled"));
}
}
virshPrintPerfStatus(ctl, params, nparams);
} else {
if (virDomainSetPerfEvents(dom, params, nparams, flags) != 0) {
vshError(ctl, "%s", _("Unable to enable/disable perf events"));
goto cleanup;
} else {
virshPrintPerfStatus(ctl, params, nparams);
}
}