8:30 a.m.
Add remote support for perf event.
Signed-off-by: Qiaowei Ren <qiaowei.ren(a)intel.com>
---
daemon/remote.c | 47 ++++++++++++++++++++++++++++++++++++++++++++
src/remote/remote_driver.c | 39 ++++++++++++++++++++++++++++++++++++
src/remote/remote_protocol.x | 30 +++++++++++++++++++++++++++-
src/remote_protocol-structs | 18 +++++++++++++++++
4 files changed, 133 insertions(+), 1 deletion(-)
diff --git a/daemon/remote.c b/daemon/remote.c
index 3bf94fa..bbe22b0 100644
--- a/daemon/remote.c
+++ b/daemon/remote.c
@@ -2672,6 +2672,53 @@ remoteDispatchNodeGetMemoryStats(virNetServerPtr server
ATTRIBUTE_UNUSED,
}
static int
+remoteDispatchDomainGetPerfEvents(virNetServerPtr server ATTRIBUTE_UNUSED,
+ virNetServerClientPtr client ATTRIBUTE_UNUSED,
+ virNetMessagePtr msg ATTRIBUTE_UNUSED,
+ virNetMessageErrorPtr rerr,
+ remote_domain_get_perf_events_args *args,
+ remote_domain_get_perf_events_ret *ret)
+{
+ virDomainPtr dom = NULL;
+ virTypedParameterPtr params = NULL;
+ int nparams = 0;
+ int rv = -1;
+ struct daemonClientPrivate *priv =
+ virNetServerClientGetPrivateData(client);
+
+ if (!priv->conn) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("connection not
open"));
+ goto cleanup;
+ }
+
+ if (!(dom = get_nonnull_domain(priv->conn, args->dom)))
+ goto cleanup;
+
+ if (virDomainGetPerfEvents(dom, ¶ms, &nparams) < 0)
+ goto cleanup;
+
+ if (nparams > REMOTE_DOMAIN_MEMORY_PARAMETERS_MAX) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("nparams too
large"));
+ goto cleanup;
+ }
+
+ if (virTypedParamsSerialize(params, nparams,
+ (virTypedParameterRemotePtr *)
&ret->params.params_val,
+ &ret->params.params_len,
+ 0) < 0)
+ goto cleanup;
+
+ rv = 0;
+
+ cleanup:
+ if (rv < 0)
+ virNetMessageSaveError(rerr);
+ virTypedParamsFree(params, nparams);
+ virObjectUnref(dom);
+ return rv;
+}
+
+static int
remoteDispatchDomainGetBlockJobInfo(virNetServerPtr server ATTRIBUTE_UNUSED,
virNetServerClientPtr client ATTRIBUTE_UNUSED,
virNetMessagePtr msg ATTRIBUTE_UNUSED,
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index be7b2f4..b3c7b9c 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -1817,6 +1817,43 @@ remoteDomainGetNumaParameters(virDomainPtr domain,
}
static int
+remoteDomainGetPerfEvents(virDomainPtr domain,
+ virTypedParameterPtr *params,
+ int *nparams)
+{
+ int rv = -1;
+ remote_domain_get_perf_events_args args;
+ remote_domain_get_perf_events_ret ret;
+ struct private_data *priv = domain->conn->privateData;
+
+ remoteDriverLock(priv);
+
+ make_nonnull_domain(&args.dom, domain);
+
+ memset(&ret, 0, sizeof(ret));
+ if (call(domain->conn, priv, 0, REMOTE_PROC_DOMAIN_GET_PERF_EVENTS,
+ (xdrproc_t) xdr_remote_domain_get_perf_events_args, (char *) &args,
+ (xdrproc_t) xdr_remote_domain_get_perf_events_ret, (char *) &ret) ==
-1)
+ goto done;
+
+ if (virTypedParamsDeserialize((virTypedParameterRemotePtr) ret.params.params_val,
+ ret.params.params_len,
+ REMOTE_DOMAIN_PERF_EVENTS_MAX,
+ params,
+ nparams) < 0)
+ goto cleanup;
+
+ rv = 0;
+
+ cleanup:
+ xdr_free((xdrproc_t) xdr_remote_domain_get_perf_events_ret,
+ (char *) &ret);
+ done:
+ remoteDriverUnlock(priv);
+ return rv;
+}
+
+static int
remoteDomainGetBlkioParameters(virDomainPtr domain,
virTypedParameterPtr params, int *nparams,
unsigned int flags)
@@ -7585,6 +7622,8 @@ static virHypervisorDriver hypervisor_driver = {
.domainGetMemoryParameters = remoteDomainGetMemoryParameters, /* 0.8.5 */
.domainSetBlkioParameters = remoteDomainSetBlkioParameters, /* 0.9.0 */
.domainGetBlkioParameters = remoteDomainGetBlkioParameters, /* 0.9.0 */
+ .domainGetPerfEvents = remoteDomainGetPerfEvents, /* 1.3.3 */
+ .domainSetPerfEvents = remoteDomainSetPerfEvents, /* 1.3.3 */
.domainGetInfo = remoteDomainGetInfo, /* 0.3.0 */
.domainGetState = remoteDomainGetState, /* 0.9.2 */
.domainGetControlInfo = remoteDomainGetControlInfo, /* 0.9.3 */
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index 017bdbb..cb19bc0 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -109,6 +109,9 @@ const REMOTE_DOMAIN_BLOCK_IO_TUNE_PARAMETERS_MAX = 16;
/* Upper limit on list of numa parameters. */
const REMOTE_DOMAIN_NUMA_PARAMETERS_MAX = 16;
+/* Upper limit on list of perf events. */
+const REMOTE_DOMAIN_PERF_EVENTS_MAX = 64;
+
/* Upper limit on block copy tunable parameters. */
const REMOTE_DOMAIN_BLOCK_COPY_PARAMETERS_MAX = 16;
@@ -628,6 +631,19 @@ struct remote_domain_get_numa_parameters_ret {
int nparams;
};
+struct remote_domain_set_perf_events_args {
+ remote_nonnull_domain dom;
+ remote_typed_param params<REMOTE_DOMAIN_PERF_EVENTS_MAX>;
+};
+
+struct remote_domain_get_perf_events_args {
+ remote_nonnull_domain dom;
+};
+
+struct remote_domain_get_perf_events_ret {
+ remote_typed_param params<REMOTE_DOMAIN_PERF_EVENTS_MAX>;
+};
+
struct remote_domain_block_stats_args {
remote_nonnull_domain dom;
remote_nonnull_string path;
@@ -5751,5 +5767,17 @@ enum remote_procedure {
* @generate: both
* @acl: domain:migrate
*/
- REMOTE_PROC_DOMAIN_MIGRATE_START_POST_COPY = 364
+ REMOTE_PROC_DOMAIN_MIGRATE_START_POST_COPY = 364,
+
+ /**
+ * @generate: none
+ * @acl: domain:read
+ */
+ REMOTE_PROC_DOMAIN_GET_PERF_EVENTS = 365,
+
+ /**
+ * @generate: both
+ * @acl: domain:write
+ */
+ REMOTE_PROC_DOMAIN_SET_PERF_EVENTS = 366
};
diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
index 9d59e0e..1257aac 100644
--- a/src/remote_protocol-structs
+++ b/src/remote_protocol-structs
@@ -304,6 +304,22 @@ struct remote_domain_get_numa_parameters_ret {
} params;
int nparams;
};
+struct remote_domain_set_perf_events_args {
+ remote_nonnull_domain dom;
+ struct {
+ u_int params_len;
+ remote_typed_param * params_val;
+ } params;
+};
+struct remote_domain_get_perf_events_args {
+ remote_nonnull_domain dom;
+};
+struct remote_domain_get_perf_events_ret {
+ struct {
+ u_int params_len;
+ remote_typed_param * params_val;
+ } params;
+};
struct remote_domain_block_stats_args {
remote_nonnull_domain dom;
remote_nonnull_string path;
@@ -3077,4 +3093,6 @@ enum remote_procedure {
REMOTE_PROC_CONNECT_EVENT_CONNECTION_CLOSED = 362,
REMOTE_PROC_DOMAIN_EVENT_CALLBACK_JOB_COMPLETED = 363,
REMOTE_PROC_DOMAIN_MIGRATE_START_POST_COPY = 364,
+ REMOTE_PROC_DOMAIN_GET_PERF_EVENTS = 365,
+ REMOTE_PROC_DOMAIN_SET_PERF_EVENTS = 366,
};
--
1.9.1