diff --git a/scst/include/scst.h b/scst/include/scst.h
index d99e30266..e861bf8c1 100644
--- a/scst/include/scst.h
+++ b/scst/include/scst.h
@@ -1522,6 +1522,11 @@ struct scst_ext_latency_stat {
 
 #endif /* CONFIG_SCST_MEASURE_LATENCY */
 
+struct scst_io_stat_entry {
+	uint64_t cmd_count;
+	uint64_t io_byte_count;
+};
+
 /*
  * SCST session, analog of SCSI I_T nexus
  */
@@ -1568,6 +1573,9 @@ struct scst_session {
 	 */
 	atomic_t sess_cmd_count;
 
+	/* Some statistics. Protected by sess_list_lock. */
+	struct scst_io_stat_entry io_stats[SCST_DATA_DIR_MAX];
+
 	/* Access control for this session and list entry there */
 	struct scst_acg *acg;
 
diff --git a/scst/include/scst_const.h b/scst/include/scst_const.h
index 1ddde00aa..4a2a77f86 100644
--- a/scst/include/scst_const.h
+++ b/scst/include/scst_const.h
@@ -186,7 +186,7 @@ enum scst_cdb_flags {
 
 /*************************************************************
  ** Data direction aliases. Changing it don't forget to change
- ** scst_to_tgt_dma_dir as well!!
+ ** scst_to_tgt_dma_dir and SCST_DATA_DIR_MAX as well!!
  *************************************************************/
 #define SCST_DATA_UNKNOWN		0
 #define SCST_DATA_WRITE			1
@@ -194,6 +194,8 @@ enum scst_cdb_flags {
 #define SCST_DATA_BIDI			(SCST_DATA_WRITE | SCST_DATA_READ)
 #define SCST_DATA_NONE			4
 
+#define SCST_DATA_DIR_MAX		(SCST_DATA_NONE+1)
+
 #ifdef CONFIG_SCST_PROC
 
 /*************************************************************
diff --git a/scst/src/scst_sysfs.c b/scst/src/scst_sysfs.c
index 3052ef790..e82609dd8 100644
--- a/scst/src/scst_sysfs.c
+++ b/scst/src/scst_sysfs.c
@@ -3400,10 +3400,69 @@ static struct kobj_attribute session_initiator_name_attr =
 	__ATTR(initiator_name, S_IRUGO, scst_sess_sysfs_initiator_name_show,
 	       NULL);
 
+#define SCST_SESS_SYSFS_STAT_ATTR(name, exported_name, dir, kb)		\
+static ssize_t scst_sess_sysfs_##exported_name##_show(struct kobject *kobj,	\
+       struct kobj_attribute *attr, char *buf)					\
+{										\
+	struct scst_session *sess;						\
+	int res;								\
+	uint64_t v;								\
+										\
+	BUILD_BUG_ON(SCST_DATA_UNKNOWN != 0);					\
+	BUILD_BUG_ON(SCST_DATA_WRITE != 1);					\
+	BUILD_BUG_ON(SCST_DATA_READ != 2);					\
+	BUILD_BUG_ON(SCST_DATA_BIDI != 3);					\
+	BUILD_BUG_ON(SCST_DATA_NONE != 4);					\
+										\
+	BUILD_BUG_ON(dir >= SCST_DATA_DIR_MAX);					\
+										\
+	sess = container_of(kobj, struct scst_session, sess_kobj);		\
+	v = sess->io_stats[dir].name;						\
+	if (kb)									\
+		v >>= 10;							\
+	res = sprintf(buf, "%llu\n", (unsigned long long)v);			\
+	return res;								\
+}										\
+										\
+static ssize_t scst_sess_sysfs_##exported_name##_store(struct kobject *kobj,	\
+	struct kobj_attribute *attr, const char *buf, size_t count)		\
+{										\
+	struct scst_session *sess;						\
+	sess = container_of(kobj, struct scst_session, sess_kobj);		\
+	spin_lock_irq(&sess->sess_list_lock);					\
+	BUILD_BUG_ON(dir >= SCST_DATA_DIR_MAX);					\
+	sess->io_stats[dir].cmd_count = 0;					\
+	sess->io_stats[dir].io_byte_count = 0;					\
+	spin_unlock_irq(&sess->sess_list_lock);					\
+	return count;								\
+}										\
+										\
+static struct kobj_attribute session_##exported_name##_attr =			\
+	__ATTR(exported_name, S_IRUGO | S_IWUSR,				\
+		scst_sess_sysfs_##exported_name##_show,	\
+		scst_sess_sysfs_##exported_name##_store);
+
+SCST_SESS_SYSFS_STAT_ATTR(cmd_count, unknown_cmd_count, SCST_DATA_UNKNOWN, 0);
+SCST_SESS_SYSFS_STAT_ATTR(cmd_count, write_cmd_count, SCST_DATA_WRITE, 0);
+SCST_SESS_SYSFS_STAT_ATTR(io_byte_count, write_io_count_kb, SCST_DATA_WRITE, 1);
+SCST_SESS_SYSFS_STAT_ATTR(cmd_count, read_cmd_count, SCST_DATA_READ, 0);
+SCST_SESS_SYSFS_STAT_ATTR(io_byte_count, read_io_count_kb, SCST_DATA_READ, 1);
+SCST_SESS_SYSFS_STAT_ATTR(cmd_count, bidi_cmd_count, SCST_DATA_BIDI, 0);
+SCST_SESS_SYSFS_STAT_ATTR(io_byte_count, bidi_io_count_kb, SCST_DATA_BIDI, 1);
+SCST_SESS_SYSFS_STAT_ATTR(cmd_count, none_cmd_count, SCST_DATA_NONE, 0);
+
 static struct attribute *scst_session_attrs[] = {
 	&session_commands_attr.attr,
 	&session_active_commands_attr.attr,
 	&session_initiator_name_attr.attr,
+	&session_unknown_cmd_count_attr.attr,
+	&session_write_cmd_count_attr.attr,
+	&session_write_io_count_kb_attr.attr,
+	&session_read_cmd_count_attr.attr,
+	&session_read_io_count_kb_attr.attr,
+	&session_bidi_cmd_count_attr.attr,
+	&session_bidi_io_count_kb_attr.attr,
+	&session_none_cmd_count_attr.attr,
 #ifdef CONFIG_SCST_MEASURE_LATENCY
 	&session_latency_attr.attr,
 #endif /* CONFIG_SCST_MEASURE_LATENCY */
diff --git a/scst/src/scst_targ.c b/scst/src/scst_targ.c
index 72535142b..104159676 100644
--- a/scst/src/scst_targ.c
+++ b/scst/src/scst_targ.c
@@ -3565,6 +3565,7 @@ static int scst_finish_cmd(struct scst_cmd *cmd)
 {
 	int res;
 	struct scst_session *sess = cmd->sess;
+	struct scst_io_stat_entry *stat;
 
 	TRACE_ENTRY();
 
@@ -3588,7 +3589,13 @@ static int scst_finish_cmd(struct scst_cmd *cmd)
 	atomic_dec(&sess->sess_cmd_count);
 
 	spin_lock_irq(&sess->sess_list_lock);
+
+	stat = &sess->io_stats[cmd->data_direction];
+	stat->cmd_count++;
+	stat->io_byte_count += cmd->bufflen + cmd->out_bufflen;
+
 	list_del(&cmd->sess_cmd_list_entry);
+
 	spin_unlock_irq(&sess->sess_list_lock);
 
 	cmd->finished = 1;