telemetry updates

[palacios.git] / palacios / src / palacios / vmm_telemetry.c

diff --git a/palacios/src/palacios/vmm_telemetry.c b/palacios/src/palacios/vmm_telemetry.c
index e69af85..4a419a2 100644 (file)
--- a/palacios/src/palacios/vmm_telemetry.c
+++ b/palacios/src/palacios/vmm_telemetry.c
@@ -21,6 +21,7 @@
 #include <palacios/vmm_telemetry.h>
 #include <palacios/svm_handler.h>
 #include <palacios/vmm_rbtree.h>
+#include <palacios/vmm_sprintf.h>
 
 
 #ifdef CONFIG_TELEMETRY_GRANULARITY
@@ -33,7 +34,7 @@
 
 struct telemetry_cb {
     
-    void (*telemetry_fn)(struct guest_info * info, void * private_data);
+    void (*telemetry_fn)(struct guest_info * info, void * private_data, char * hdr);
 
     void * private_data;
     struct list_head cb_node;
@@ -168,8 +169,8 @@ void v3_telemetry_end_exit(struct guest_info * info, uint_t exit_code) {
 
 
 void v3_add_telemetry_cb(struct guest_info * info, 
-                       void (*telemetry_fn)(struct guest_info * info, void * private_data),
-                       void * private_data) {
+                        void (*telemetry_fn)(struct guest_info * info, void * private_data, char * hdr),
+                        void * private_data) {
     struct v3_telemetry_state * telemetry = &(info->telemetry);
     struct telemetry_cb * cb = (struct telemetry_cb *)V3_Malloc(sizeof(struct telemetry_cb));
 
@@ -180,14 +181,17 @@ void v3_add_telemetry_cb(struct guest_info * info,
 }
 
 
+
 void v3_print_telemetry(struct guest_info * info) {
     struct v3_telemetry_state * telemetry = &(info->telemetry);
     uint64_t invoke_tsc = 0;
+    char hdr_buf[32];
 
     rdtscll(invoke_tsc);
 
-    V3_Print("Telemetry (%d)\n", telemetry->invoke_cnt++);
-    V3_Print("\ttelemetry window tsc cnt: %d\n", (uint32_t)(invoke_tsc - telemetry->prev_tsc));
+    snprintf(hdr_buf, 32, "telem.%d>", telemetry->invoke_cnt++);
+
+    V3_Print("%stelemetry window tsc cnt: %d\n", hdr_buf, (uint32_t)(invoke_tsc - telemetry->prev_tsc));
 
     // Exit Telemetry
     {
@@ -198,13 +202,13 @@ void v3_print_telemetry(struct guest_info * info) {
            evt = rb_entry(node, struct exit_event, tree_node);
            const char * code_str = vmexit_code_to_str(evt->exit_code);
            
-           V3_Print("%s:%sCnt=%u,%sAvg. Time=%u\n", 
-                      code_str,
-                      (strlen(code_str) > 14) ? "\t" : "\t\t",
-                      evt->cnt,
-                      (evt->cnt >= 100) ? "\t" : "\t\t",
-                      (uint32_t)(evt->handler_time / evt->cnt));
-
+           V3_Print("%s%s:%sCnt=%u,%sAvg. Time=%u\n", 
+                    hdr_buf,
+                    code_str,
+                    (strlen(code_str) > 14) ? "\t" : "\t\t",
+                    evt->cnt,
+                    (evt->cnt >= 100) ? "\t" : "\t\t",
+                    (uint32_t)(evt->handler_time / evt->cnt));
        } while ((node = v3_rb_next(node)));
     }
 
@@ -214,7 +218,7 @@ void v3_print_telemetry(struct guest_info * info) {
        struct telemetry_cb * cb = NULL;
 
        list_for_each_entry(cb, &(telemetry->cb_list), cb_node) {
-           cb->telemetry_fn(info, cb->private_data);
+           cb->telemetry_fn(info, cb->private_data, hdr_buf);
        }
     }