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perf: implement the remote protocol for perf event
Add remote support for perf event. Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com> Message-id: 1459171833-26416-3-git-send-email-qiaowei.ren@intel.com
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@ -2671,6 +2671,53 @@ remoteDispatchNodeGetMemoryStats(virNetServerPtr server ATTRIBUTE_UNUSED,
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return rv;
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}
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static int
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remoteDispatchDomainGetPerfEvents(virNetServerPtr server ATTRIBUTE_UNUSED,
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virNetServerClientPtr client ATTRIBUTE_UNUSED,
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virNetMessagePtr msg ATTRIBUTE_UNUSED,
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virNetMessageErrorPtr rerr,
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remote_domain_get_perf_events_args *args,
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remote_domain_get_perf_events_ret *ret)
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{
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virDomainPtr dom = NULL;
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virTypedParameterPtr params = NULL;
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int nparams = 0;
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int rv = -1;
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struct daemonClientPrivate *priv =
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virNetServerClientGetPrivateData(client);
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if (!priv->conn) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not open"));
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goto cleanup;
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}
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if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
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goto cleanup;
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if (virDomainGetPerfEvents(dom, ¶ms, &nparams) < 0)
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goto cleanup;
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if (nparams > REMOTE_DOMAIN_MEMORY_PARAMETERS_MAX) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too large"));
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goto cleanup;
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}
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if (virTypedParamsSerialize(params, nparams,
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(virTypedParameterRemotePtr *) &ret->params.params_val,
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&ret->params.params_len,
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0) < 0)
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goto cleanup;
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rv = 0;
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cleanup:
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if (rv < 0)
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virNetMessageSaveError(rerr);
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virTypedParamsFree(params, nparams);
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virObjectUnref(dom);
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return rv;
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}
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static int
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remoteDispatchDomainGetBlockJobInfo(virNetServerPtr server ATTRIBUTE_UNUSED,
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virNetServerClientPtr client ATTRIBUTE_UNUSED,
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@ -1816,6 +1816,43 @@ remoteDomainGetNumaParameters(virDomainPtr domain,
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return rv;
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}
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static int
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remoteDomainGetPerfEvents(virDomainPtr domain,
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virTypedParameterPtr *params,
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int *nparams)
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{
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int rv = -1;
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remote_domain_get_perf_events_args args;
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remote_domain_get_perf_events_ret ret;
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struct private_data *priv = domain->conn->privateData;
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remoteDriverLock(priv);
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make_nonnull_domain(&args.dom, domain);
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memset(&ret, 0, sizeof(ret));
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if (call(domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_PERF_EVENTS,
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(xdrproc_t) xdr_remote_domain_get_perf_events_args, (char *) &args,
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(xdrproc_t) xdr_remote_domain_get_perf_events_ret, (char *) &ret) == -1)
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goto done;
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if (virTypedParamsDeserialize((virTypedParameterRemotePtr) ret.params.params_val,
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ret.params.params_len,
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REMOTE_DOMAIN_PERF_EVENTS_MAX,
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params,
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nparams) < 0)
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goto cleanup;
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rv = 0;
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cleanup:
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xdr_free((xdrproc_t) xdr_remote_domain_get_perf_events_ret,
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(char *) &ret);
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done:
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remoteDriverUnlock(priv);
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return rv;
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}
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static int
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remoteDomainGetBlkioParameters(virDomainPtr domain,
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virTypedParameterPtr params, int *nparams,
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@ -7585,6 +7622,8 @@ static virHypervisorDriver hypervisor_driver = {
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.domainGetMemoryParameters = remoteDomainGetMemoryParameters, /* 0.8.5 */
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.domainSetBlkioParameters = remoteDomainSetBlkioParameters, /* 0.9.0 */
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.domainGetBlkioParameters = remoteDomainGetBlkioParameters, /* 0.9.0 */
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.domainGetPerfEvents = remoteDomainGetPerfEvents, /* 1.3.3 */
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.domainSetPerfEvents = remoteDomainSetPerfEvents, /* 1.3.3 */
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.domainGetInfo = remoteDomainGetInfo, /* 0.3.0 */
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.domainGetState = remoteDomainGetState, /* 0.9.2 */
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.domainGetControlInfo = remoteDomainGetControlInfo, /* 0.9.3 */
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@ -109,6 +109,9 @@ const REMOTE_DOMAIN_BLOCK_IO_TUNE_PARAMETERS_MAX = 16;
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/* Upper limit on list of numa parameters. */
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const REMOTE_DOMAIN_NUMA_PARAMETERS_MAX = 16;
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/* Upper limit on list of perf events. */
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const REMOTE_DOMAIN_PERF_EVENTS_MAX = 64;
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/* Upper limit on block copy tunable parameters. */
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const REMOTE_DOMAIN_BLOCK_COPY_PARAMETERS_MAX = 16;
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@ -628,6 +631,19 @@ struct remote_domain_get_numa_parameters_ret {
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int nparams;
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};
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struct remote_domain_set_perf_events_args {
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remote_nonnull_domain dom;
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remote_typed_param params<REMOTE_DOMAIN_PERF_EVENTS_MAX>;
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};
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struct remote_domain_get_perf_events_args {
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remote_nonnull_domain dom;
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};
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struct remote_domain_get_perf_events_ret {
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remote_typed_param params<REMOTE_DOMAIN_PERF_EVENTS_MAX>;
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};
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struct remote_domain_block_stats_args {
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remote_nonnull_domain dom;
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remote_nonnull_string path;
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@ -5751,5 +5767,17 @@ enum remote_procedure {
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* @generate: both
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* @acl: domain:migrate
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*/
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REMOTE_PROC_DOMAIN_MIGRATE_START_POST_COPY = 364
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REMOTE_PROC_DOMAIN_MIGRATE_START_POST_COPY = 364,
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/**
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* @generate: none
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* @acl: domain:read
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*/
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REMOTE_PROC_DOMAIN_GET_PERF_EVENTS = 365,
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/**
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* @generate: both
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* @acl: domain:write
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*/
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REMOTE_PROC_DOMAIN_SET_PERF_EVENTS = 366
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};
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@ -304,6 +304,22 @@ struct remote_domain_get_numa_parameters_ret {
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} params;
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int nparams;
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};
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struct remote_domain_set_perf_events_args {
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remote_nonnull_domain dom;
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struct {
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u_int params_len;
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remote_typed_param * params_val;
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} params;
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};
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struct remote_domain_get_perf_events_args {
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remote_nonnull_domain dom;
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};
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struct remote_domain_get_perf_events_ret {
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struct {
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u_int params_len;
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remote_typed_param * params_val;
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} params;
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};
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struct remote_domain_block_stats_args {
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remote_nonnull_domain dom;
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remote_nonnull_string path;
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@ -3077,4 +3093,6 @@ enum remote_procedure {
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REMOTE_PROC_CONNECT_EVENT_CONNECTION_CLOSED = 362,
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REMOTE_PROC_DOMAIN_EVENT_CALLBACK_JOB_COMPLETED = 363,
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REMOTE_PROC_DOMAIN_MIGRATE_START_POST_COPY = 364,
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REMOTE_PROC_DOMAIN_GET_PERF_EVENTS = 365,
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REMOTE_PROC_DOMAIN_SET_PERF_EVENTS = 366,
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};
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