MINOR: stats: Add the support of float fields in stats
It is now possible to format stats counters as floats. But the stats applet does
not use it.
This patch is required by the Prometheus exporter to send the time averages in
seconds. If the promex change is backported, this patch must be backported
first.
diff --git a/src/stats.c b/src/stats.c
index f44f5ee..f280e5a 100644
--- a/src/stats.c
+++ b/src/stats.c
@@ -333,6 +333,7 @@
case FF_U32: return chunk_appendf(out, "%u", f->u.u32);
case FF_S64: return chunk_appendf(out, "%lld", (long long)f->u.s64);
case FF_U64: return chunk_appendf(out, "%llu", (unsigned long long)f->u.u64);
+ case FF_FLT: return chunk_appendf(out, "%f", f->u.flt);
case FF_STR: return csv_enc_append(field_str(f, 0), 1, out) != NULL;
default: return chunk_appendf(out, "[INCORRECT_FIELD_TYPE_%08x]", f->type);
}
@@ -350,6 +351,7 @@
case FF_U32: return chunk_appendf(out, "u32:%u", f->u.u32);
case FF_S64: return chunk_appendf(out, "s64:%lld", (long long)f->u.s64);
case FF_U64: return chunk_appendf(out, "u64:%llu", (unsigned long long)f->u.u64);
+ case FF_FLT: return chunk_appendf(out, "flt:%f", f->u.flt);
case FF_STR: return chunk_appendf(out, "str:%s", field_str(f, 0));
default: return chunk_appendf(out, "%08x:?", f->type);
}
@@ -389,6 +391,8 @@
type = "\"u64\"";
snprintf(buf, sizeof(buf), "%llu",
(unsigned long long) f->u.u64);
+ case FF_FLT: type = "\"flt\"";
+ snprintf(buf, sizeof(buf), "%f", f->u.flt);
break;
case FF_STR: type = "\"str\"";
value = field_str(f, 0);