X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fintel_rdt.c;h=e2e2e3940260580bb640dfec4da764f710821e0c;hb=9717b1a55d60d992c16e66e2ae5bdfb42f80aca8;hp=d1a0c51d9ae074b9f6406c90a16b3b6103acaeb9;hpb=2c3aa395cf8f5779341685f99377774c145d6f38;p=collectd.git

diff --git a/src/intel_rdt.c b/src/intel_rdt.c
index d1a0c51d..e2e2e394 100644
--- a/src/intel_rdt.c
+++ b/src/intel_rdt.c
@@ -36,6 +36,11 @@
 #define RDT_MAX_SOCKET_CORES 64
 #define RDT_MAX_CORES (RDT_MAX_SOCKET_CORES * RDT_MAX_SOCKETS)
 
+typedef enum {
+  UNKNOWN = 0,
+  CONFIGURATION_ERROR,
+} rdt_config_status;
+
 struct rdt_core_group_s {
   char *desc;
   size_t num_cores;
@@ -56,6 +61,8 @@ typedef struct rdt_ctx_s rdt_ctx_t;
 
 static rdt_ctx_t *g_rdt = NULL;
 
+static rdt_config_status g_state = UNKNOWN;
+
 static int isdup(const uint64_t *nums, size_t size, uint64_t val) {
   for (size_t i = 0; i < size; i++)
     if (nums[i] == val)
@@ -478,10 +485,6 @@ static int rdt_preinit(void) {
     return (-ENOMEM);
   }
 
-  /* In case previous instance of the application was not closed properly
-   * call fini and ignore return code. */
-  pqos_fini();
-
   struct pqos_config pqos = {.fd_log = -1,
                              .callback_log = rdt_pqos_log,
                              .context_log = NULL,
@@ -512,6 +515,9 @@ static int rdt_preinit(void) {
     goto rdt_preinit_error2;
   }
 
+  /* Reset pqos monitoring groups registers */
+  pqos_mon_reset();
+
   return (0);
 
 rdt_preinit_error2:
@@ -528,8 +534,14 @@ static int rdt_config(oconfig_item_t *ci) {
   int ret = 0;
 
   ret = rdt_preinit();
-  if (ret != 0)
-    return ret;
+  if (ret != 0) {
+    g_state = CONFIGURATION_ERROR;
+    /* if we return -1 at this point collectd
+      reports a failure in configuration and
+      aborts
+    */
+    goto exit;
+  }
 
   for (int i = 0; i < ci->children_num; i++) {
     oconfig_item_t *child = ci->children + i;
@@ -537,8 +549,14 @@ static int rdt_config(oconfig_item_t *ci) {
     if (strcasecmp("Cores", child->key) == 0) {
 
       ret = rdt_config_cgroups(child);
-      if (ret != 0)
-        return ret;
+      if (ret != 0) {
+        g_state = CONFIGURATION_ERROR;
+        /* if we return -1 at this point collectd
+           reports a failure in configuration and
+           aborts
+         */
+        goto exit;
+      }
 
 #if COLLECT_DEBUG
       rdt_dump_cgroups();
@@ -549,6 +567,7 @@ static int rdt_config(oconfig_item_t *ci) {
     }
   }
 
+exit:
   return (0);
 }
 
@@ -631,6 +650,9 @@ static int rdt_read(__attribute__((unused)) user_data_t *ud) {
 static int rdt_init(void) {
   int ret;
 
+  if(g_state == CONFIGURATION_ERROR)
+    return (-1);
+
   ret = rdt_preinit();
   if (ret != 0)
     return ret;