T tracer: support float types in traces

common/utils/T/tracer/event.c

@@ -94,6 +94,10 @@ event new_event(int type, int length, char *buffer, void *database)
       e.e[i].type = EVENT_ULONG;
       e.e[i].ul = *(unsigned long *)(&buffer[offset]);
       offset += sizeof(unsigned long);
+    } else if (!strcmp(f.type[i], "float")) {
+      e.e[i].type = EVENT_FLOAT;
+      e.e[i].f = *(float *)(&buffer[offset]);
+      offset += sizeof(float);
     } else if (!strcmp(f.type[i], "string")) {
       e.e[i].type = EVENT_STRING;
       e.e[i].s = &buffer[offset];

common/utils/T/tracer/event.h

@@ -13,6 +13,7 @@
 enum event_arg_type {
   EVENT_INT,
   EVENT_ULONG,
+  EVENT_FLOAT,
   EVENT_STRING,
   EVENT_BUFFER
 };
@@ -23,6 +24,7 @@ typedef struct {
   union {
     int i;
     unsigned long ul;
+    float f;
     char *s;
     struct {
       int bsize;

common/utils/T/tracer/logger/textlog.c

@@ -11,7 +11,7 @@
 
 enum format_item_type {
   INSTRING,
-  INT, ULONG, STRING, BUFFER };
+  INT, ULONG, FLOAT, STRING, BUFFER };
 
 struct format_item {
   enum format_item_type type;
@@ -67,6 +67,7 @@ static void _event(void *p, event e)
   case INSTRING: PUTS(&l->o, l->f[i].s); break;
   case INT:      PUTI(&l->o, e.e[l->f[i].event_arg].i); break;
   case ULONG:    PUTUL(&l->o, e.e[l->f[i].event_arg].ul); break;
+  case FLOAT:    PUTF(&l->o, e.e[l->f[i].event_arg].f); break;
   case STRING:   PUTS_CLEAN(&l->o, e.e[l->f[i].event_arg].s); break;
   case BUFFER:
     PUTS(&l->o, "{buffer size:");
@@ -106,6 +107,7 @@ static int find_argument(char *name, database_event_format f,
   *event_arg = i;
   if (!strcmp(f.type[i], "int"))         *it = INT;
   else if (!strcmp(f.type[i], "ulong"))  *it = ULONG;
+  else if (!strcmp(f.type[i], "float"))  *it = FLOAT;
   else if (!strcmp(f.type[i], "string")) *it = STRING;
   else if (!strcmp(f.type[i], "buffer")) *it = BUFFER;
   else return 0;

common/utils/T/tracer/utils.c

@@ -276,3 +276,9 @@ void PUTUL(OBUF *o, unsigned long l) {
   sprintf(s, "%lu", l);
   PUTS(o, s);
 }
+
+void PUTF(OBUF *o, float f) {
+  char s[256];
+  sprintf(s, "%g", f);
+  PUTS(o, s);
+}

common/utils/T/tracer/utils.h

@@ -50,5 +50,6 @@ void PUTS_CLEAN(OBUF *o, char *s);
 void PUTI(OBUF *o, int i);
 void PUTX2(OBUF *o, int i);
 void PUTUL(OBUF *o, unsigned long i);
+void PUTF(OBUF *o, float f);
 
 #endif /* _UTILS_H_ */