change metric description to correct units

Signed-off-by: binjip978 <binjip978@gmail.com>

collector/entropy_linux.go

@@ -49,8 +49,8 @@ func NewEntropyCollector(logger log.Logger) (Collector, error) {
 			nil, nil,
 		),
 		entropyPoolSize: prometheus.NewDesc(
-			prometheus.BuildFQName(namespace, "", "entropy_pool_size_bytes"),
-			"Bytes of entropy pool.",
+			prometheus.BuildFQName(namespace, "", "entropy_pool_size_bits"),
+			"Bits of entropy pool.",
 			nil, nil,
 		),
 		logger: logger,

collector/fixtures/e2e-output.txt

@@ -627,9 +627,9 @@ node_edac_uncorrectable_errors_total{controller="0"} 5
 # HELP node_entropy_available_bits Bits of available entropy.
 # TYPE node_entropy_available_bits gauge
 node_entropy_available_bits 1337
-# HELP node_entropy_pool_size_bytes Bytes of entropy pool.
-# TYPE node_entropy_pool_size_bytes gauge
-node_entropy_pool_size_bytes 4096
+# HELP node_entropy_pool_size_bits Bits of entropy pool.
+# TYPE node_entropy_pool_size_bits gauge
+node_entropy_pool_size_bits 4096
 # HELP node_exporter_build_info A metric with a constant '1' value labeled by version, revision, branch, and goversion from which node_exporter was built.
 # TYPE node_exporter_build_info gauge
 # HELP node_filefd_allocated File descriptor statistics: allocated.