diff --git a/lib/encoding/compress.go b/lib/encoding/compress.go
index 08f196500..95907800c 100644
--- a/lib/encoding/compress.go
+++ b/lib/encoding/compress.go
@@ -10,6 +10,7 @@ import (
 //
 // The given compressLevel is used for the compression.
 func CompressZSTDLevel(dst, src []byte, compressLevel int) []byte {
+	compressCalls.Inc()
 	originalBytes.Add(len(src))
 	dstLen := len(dst)
 	dst = gozstd.CompressLevel(dst, src, compressLevel)
@@ -20,10 +21,14 @@ func CompressZSTDLevel(dst, src []byte, compressLevel int) []byte {
 // DecompressZSTD decompresses src, appends the result to dst and returns
 // the appended dst.
 func DecompressZSTD(dst, src []byte) ([]byte, error) {
+	decompressCalls.Inc()
 	return gozstd.Decompress(dst, src)
 }
 
 var (
+	compressCalls   = metrics.NewCounter(`vm_zstd_block_compress_calls_total`)
+	decompressCalls = metrics.NewCounter(`vm_zstd_block_decompress_calls_total`)
+
 	originalBytes   = metrics.NewCounter(`vm_zstd_block_original_bytes_total`)
 	compressedBytes = metrics.NewCounter(`vm_zstd_block_compressed_bytes_total`)
 )