diff --git a/mysys/mf_iocache.c b/mysys/mf_iocache.c
index 173b678cdd1..575581712d4 100644
--- a/mysys/mf_iocache.c
+++ b/mysys/mf_iocache.c
@@ -173,7 +173,7 @@ int init_io_cache(IO_CACHE *info, File file, size_t cachesize,
 
   if (file >= 0)
   {
-    pos= my_tell(file, MYF(0));
+    pos= mysql_file_tell(file, MYF(0));
     if ((pos == (my_off_t) -1) && (my_errno == ESPIPE))
     {
       /*
@@ -205,7 +205,7 @@ int init_io_cache(IO_CACHE *info, File file, size_t cachesize,
     if (!(cache_myflags & MY_DONT_CHECK_FILESIZE))
     {
       /* Calculate end of file to avoid allocating oversized buffers */
-      end_of_file=my_seek(file,0L,MY_SEEK_END,MYF(0));
+      end_of_file= mysql_file_seek(file, 0L, MY_SEEK_END, MYF(0));
       /* Need to reset seek_not_done now that we just did a seek. */
       info->seek_not_done= end_of_file == seek_offset ? 0 : 1;
       if (end_of_file < seek_offset)
@@ -485,7 +485,7 @@ int _my_b_read(register IO_CACHE *info, uchar *Buffer, size_t Count)
   */
   if (info->seek_not_done)
   {
-    if ((my_seek(info->file,pos_in_file,MY_SEEK_SET,MYF(0)) 
+    if ((mysql_file_seek(info->file, pos_in_file, MY_SEEK_SET, MYF(0)) 
         != MY_FILEPOS_ERROR))
     {
       /* No error, reset seek_not_done flag. */
@@ -529,7 +529,7 @@ int _my_b_read(register IO_CACHE *info, uchar *Buffer, size_t Count)
       end aligned with a block.
     */
     length=(Count & (size_t) ~(IO_SIZE-1))-diff_length;
-    if ((read_length= my_read(info->file,Buffer, length, info->myflags))
+    if ((read_length= mysql_file_read(info->file,Buffer, length, info->myflags))
 	!= length)
     {
       /*
@@ -572,7 +572,7 @@ int _my_b_read(register IO_CACHE *info, uchar *Buffer, size_t Count)
     }
     length=0;				/* Didn't read any chars */
   }
-  else if ((length= my_read(info->file,info->buffer, max_length,
+  else if ((length= mysql_file_read(info->file,info->buffer, max_length,
                             info->myflags)) < Count ||
 	   length == (size_t) -1)
   {
@@ -1056,7 +1056,7 @@ int _my_b_read_r(register IO_CACHE *cache, uchar *Buffer, size_t Count)
         */
         if (cache->seek_not_done)
         {
-          if (my_seek(cache->file, pos_in_file, MY_SEEK_SET, MYF(0))
+          if (mysql_file_seek(cache->file, pos_in_file, MY_SEEK_SET, MYF(0))
               == MY_FILEPOS_ERROR)
           {
             cache->error= -1;
@@ -1064,7 +1064,7 @@ int _my_b_read_r(register IO_CACHE *cache, uchar *Buffer, size_t Count)
             DBUG_RETURN(1);
           }
         }
-        len= my_read(cache->file, cache->buffer, length, cache->myflags);
+        len= mysql_file_read(cache->file, cache->buffer, length, cache->myflags);
       }
       DBUG_PRINT("io_cache_share", ("read %lu bytes", (ulong) len));
 
@@ -1203,7 +1203,7 @@ int _my_b_seq_read(register IO_CACHE *info, uchar *Buffer, size_t Count)
     With read-append cache we must always do a seek before we read,
     because the write could have moved the file pointer astray
   */
-  if (my_seek(info->file,pos_in_file,MY_SEEK_SET,MYF(0)) == MY_FILEPOS_ERROR)
+  if (mysql_file_seek(info->file, pos_in_file, MY_SEEK_SET, MYF(0)) == MY_FILEPOS_ERROR)
   {
    info->error= -1;
    unlock_append_buffer(info);
@@ -1220,8 +1220,8 @@ int _my_b_seq_read(register IO_CACHE *info, uchar *Buffer, size_t Count)
     size_t read_length;
 
     length=(Count & (size_t) ~(IO_SIZE-1))-diff_length;
-    if ((read_length= my_read(info->file,Buffer, length,
-                              info->myflags)) == (size_t) -1)
+    if ((read_length= mysql_file_read(info->file,Buffer, length,
+                                      info->myflags)) == (size_t) -1)
     {
       info->error= -1;
       unlock_append_buffer(info);
@@ -1254,7 +1254,7 @@ int _my_b_seq_read(register IO_CACHE *info, uchar *Buffer, size_t Count)
   }
   else
   {
-    length= my_read(info->file,info->buffer, max_length, info->myflags);
+    length= mysql_file_read(info->file,info->buffer, max_length, info->myflags);
     if (length == (size_t) -1)
     {
       info->error= -1;
@@ -1431,7 +1431,7 @@ int _my_b_async_read(register IO_CACHE *info, uchar *Buffer, size_t Count)
       return 1;
     }
     
-    if (my_seek(info->file,next_pos_in_file,MY_SEEK_SET,MYF(0))
+    if (mysql_file_seek(info->file, next_pos_in_file, MY_SEEK_SET, MYF(0))
         == MY_FILEPOS_ERROR)
     {
       info->error= -1;
@@ -1441,8 +1441,8 @@ int _my_b_async_read(register IO_CACHE *info, uchar *Buffer, size_t Count)
     read_length=IO_SIZE*2- (size_t) (next_pos_in_file & (IO_SIZE-1));
     if (Count < read_length)
     {					/* Small block, read to cache */
-      if ((read_length=my_read(info->file,info->request_pos,
-			       read_length, info->myflags)) == (size_t) -1)
+      if ((read_length=mysql_file_read(info->file,info->request_pos,
+			               read_length, info->myflags)) == (size_t) -1)
         return info->error= -1;
       use_length=min(Count,read_length);
       memcpy(Buffer,info->request_pos,(size_t) use_length);
@@ -1462,7 +1462,7 @@ int _my_b_async_read(register IO_CACHE *info, uchar *Buffer, size_t Count)
     }
     else
     {						/* Big block, don't cache it */
-      if ((read_length= my_read(info->file,Buffer, Count,info->myflags))
+      if ((read_length= mysql_file_read(info->file, Buffer, Count,info->myflags))
 	  != Count)
       {
 	info->error= read_length == (size_t) -1 ? -1 : read_length+left_length;
@@ -1569,14 +1569,14 @@ int _my_b_write(register IO_CACHE *info, const uchar *Buffer, size_t Count)
         "seek_not_done" to indicate this to other functions operating
         on the IO_CACHE.
       */
-      if (my_seek(info->file,info->pos_in_file,MY_SEEK_SET,MYF(0)))
+      if (mysql_file_seek(info->file, info->pos_in_file, MY_SEEK_SET, MYF(0)))
       {
         info->error= -1;
         return (1);
       }
       info->seek_not_done=0;
     }
-    if (my_write(info->file, Buffer, length, info->myflags | MY_NABP))
+    if (mysql_file_write(info->file, Buffer, length, info->myflags | MY_NABP))
       return info->error= -1;
 
 #ifdef THREAD
@@ -1639,7 +1639,7 @@ int my_b_append(register IO_CACHE *info, const uchar *Buffer, size_t Count)
   if (Count >= IO_SIZE)
   {					/* Fill first intern buffer */
     length=Count & (size_t) ~(IO_SIZE-1);
-    if (my_write(info->file,Buffer, length, info->myflags | MY_NABP))
+    if (mysql_file_write(info->file,Buffer, length, info->myflags | MY_NABP))
     {
       unlock_append_buffer(info);
       return info->error= -1;
@@ -1695,11 +1695,11 @@ int my_block_write(register IO_CACHE *info, const uchar *Buffer, size_t Count,
   {
     /* Of no overlap, write everything without buffering */
     if (pos + Count <= info->pos_in_file)
-      return my_pwrite(info->file, Buffer, Count, pos,
-		       info->myflags | MY_NABP);
+      return mysql_file_pwrite(info->file, Buffer, Count, pos,
+		               info->myflags | MY_NABP);
     /* Write the part of the block that is before buffer */
     length= (uint) (info->pos_in_file - pos);
-    if (my_pwrite(info->file, Buffer, length, pos, info->myflags | MY_NABP))
+    if (mysql_file_pwrite(info->file, Buffer, length, pos, info->myflags | MY_NABP))
       info->error= error= -1;
     Buffer+=length;
     pos+=  length;
@@ -1789,7 +1789,7 @@ int my_b_flush_io_cache(IO_CACHE *info,
       */
       if (!append_cache && info->seek_not_done)
       {					/* File touched, do seek */
-	if (my_seek(info->file,pos_in_file,MY_SEEK_SET,MYF(0)) ==
+	if (mysql_file_seek(info->file, pos_in_file, MY_SEEK_SET, MYF(0)) ==
 	    MY_FILEPOS_ERROR)
 	{
 	  UNLOCK_APPEND_BUFFER;
@@ -1803,7 +1803,7 @@ int my_b_flush_io_cache(IO_CACHE *info,
       info->write_end= (info->write_buffer+info->buffer_length-
 			((pos_in_file+length) & (IO_SIZE-1)));
 
-      if (my_write(info->file,info->write_buffer,length,
+      if (mysql_file_write(info->file,info->write_buffer,length,
 		   info->myflags | MY_NABP))
 	info->error= -1;
       else
@@ -1815,7 +1815,7 @@ int my_b_flush_io_cache(IO_CACHE *info,
       else
       {
 	info->end_of_file+=(info->write_pos-info->append_read_pos);
-	DBUG_ASSERT(info->end_of_file == my_tell(info->file,MYF(0)));
+	DBUG_ASSERT(info->end_of_file == mysql_file_tell(info->file, MYF(0)));
       }
 
       info->append_read_pos=info->write_pos=info->write_buffer;
diff --git a/sql/log.cc b/sql/log.cc
index ae0cb813742..bfc5018b556 100644
--- a/sql/log.cc
+++ b/sql/log.cc
@@ -2177,7 +2177,11 @@ bool MYSQL_LOG::init_and_set_log_file_name(const char *log_name,
     1   error
 */
 
-bool MYSQL_LOG::open(const char *log_name, enum_log_type log_type_arg,
+bool MYSQL_LOG::open(
+#ifdef HAVE_PSI_INTERFACE
+                     PSI_file_key log_file_key,
+#endif
+                     const char *log_name, enum_log_type log_type_arg,
                      const char *new_name, enum cache_type io_cache_type_arg)
 {
   char buff[FN_REFLEN];
@@ -2205,7 +2209,12 @@ bool MYSQL_LOG::open(const char *log_name, enum_log_type log_type_arg,
 
   db[0]= 0;
 
-  if ((file= mysql_file_open(key_file_MYSQL_LOG,
+#ifdef HAVE_PSI_INTERFACE
+  /* Keep the key for reopen */
+  m_log_file_key= log_file_key;
+#endif
+
+  if ((file= mysql_file_open(log_file_key,
                              log_file_name, open_flags,
                              MYF(MY_WME | ME_WAITTANG))) < 0 ||
       init_io_cache(&log_file, file, IO_SIZE, io_cache_type,
@@ -2389,7 +2398,11 @@ void MYSQL_QUERY_LOG::reopen_file()
      Note that at this point, log_state != LOG_CLOSED (important for is_open()).
   */
 
-  open(save_name, log_type, 0, io_cache_type);
+  open(
+#ifdef HAVE_PSI_INTERFACE
+       m_log_file_key,
+#endif
+       save_name, log_type, 0, io_cache_type);
   my_free(save_name);
 
   mysql_mutex_unlock(&LOCK_log);
@@ -2855,8 +2868,8 @@ bool MYSQL_BIN_LOG::open(const char *log_name,
   write_error= 0;
 
   /* open the main log file */
-  if (MYSQL_LOG::open(log_name, log_type_arg, new_name,
-                      io_cache_type_arg))
+  if (MYSQL_LOG::open(key_file_binlog,
+                      log_name, log_type_arg, new_name, io_cache_type_arg))
   {
 #ifdef HAVE_REPLICATION
     close_purge_index_file();
diff --git a/sql/log.h b/sql/log.h
index 89b3594cd1e..d824d3afa26 100644
--- a/sql/log.h
+++ b/sql/log.h
@@ -196,7 +196,11 @@ public:
   MYSQL_LOG();
   void init_pthread_objects();
   void cleanup();
-  bool open(const char *log_name,
+  bool open(
+#ifdef HAVE_PSI_INTERFACE
+            PSI_file_key log_file_key,
+#endif
+            const char *log_name,
             enum_log_type log_type,
             const char *new_name,
             enum cache_type io_cache_type_arg);
@@ -223,6 +227,10 @@ public:
   volatile enum_log_state log_state;
   enum cache_type io_cache_type;
   friend class Log_event;
+#ifdef HAVE_PSI_INTERFACE
+  /** Instrumentation key to use for file io in @c log_file */
+  PSI_file_key m_log_file_key;
+#endif
 };
 
 class MYSQL_QUERY_LOG: public MYSQL_LOG
@@ -241,14 +249,22 @@ public:
   bool open_slow_log(const char *log_name)
   {
     char buf[FN_REFLEN];
-    return open(generate_name(log_name, "-slow.log", 0, buf), LOG_NORMAL, 0,
-                WRITE_CACHE);
+    return open(
+#ifdef HAVE_PSI_INTERFACE
+                key_file_slow_log,
+#endif
+                generate_name(log_name, "-slow.log", 0, buf),
+                LOG_NORMAL, 0, WRITE_CACHE);
   }
   bool open_query_log(const char *log_name)
   {
     char buf[FN_REFLEN];
-    return open(generate_name(log_name, ".log", 0, buf), LOG_NORMAL, 0,
-                WRITE_CACHE);
+    return open(
+#ifdef HAVE_PSI_INTERFACE
+                key_file_query_log,
+#endif
+                generate_name(log_name, ".log", 0, buf),
+                LOG_NORMAL, 0, WRITE_CACHE);
   }
 
 private:
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index 9f5f3d46e67..04e61635f22 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -7838,9 +7838,10 @@ PSI_file_key key_file_binlog, key_file_binlog_index, key_file_casetest,
   key_file_dbopt, key_file_des_key_file, key_file_ERRMSG, key_select_to_file,
   key_file_fileparser, key_file_frm, key_file_global_ddl_log, key_file_load,
   key_file_loadfile, key_file_log_event_data, key_file_log_event_info,
-  key_file_master_info, key_file_misc, key_file_MYSQL_LOG, key_file_partition,
+  key_file_master_info, key_file_misc, key_file_partition,
   key_file_pid, key_file_relay_log_info, key_file_send_file, key_file_tclog,
   key_file_trg, key_file_trn, key_file_init;
+PSI_file_key key_file_query_log, key_file_slow_log;
 
 static PSI_file_info all_server_files[]=
 {
@@ -7863,11 +7864,12 @@ static PSI_file_info all_server_files[]=
   { &key_file_log_event_info, "log_event_info", 0},
   { &key_file_master_info, "master_info", 0},
   { &key_file_misc, "misc", 0},
-  { &key_file_MYSQL_LOG, "MYSQL_LOG", 0},
   { &key_file_partition, "partition", 0},
   { &key_file_pid, "pid", 0},
+  { &key_file_query_log, "query_log", 0},
   { &key_file_relay_log_info, "relay_log_info", 0},
   { &key_file_send_file, "send_file", 0},
+  { &key_file_slow_log, "slow_log", 0},
   { &key_file_tclog, "tclog", 0},
   { &key_file_trg, "trigger_name", 0},
   { &key_file_trn, "trigger", 0},
diff --git a/sql/mysqld.h b/sql/mysqld.h
index dc9f94c0d03..113bc3aa983 100644
--- a/sql/mysqld.h
+++ b/sql/mysqld.h
@@ -270,9 +270,10 @@ extern PSI_file_key key_file_binlog, key_file_binlog_index, key_file_casetest,
   key_file_dbopt, key_file_des_key_file, key_file_ERRMSG, key_select_to_file,
   key_file_fileparser, key_file_frm, key_file_global_ddl_log, key_file_load,
   key_file_loadfile, key_file_log_event_data, key_file_log_event_info,
-  key_file_master_info, key_file_misc, key_file_MYSQL_LOG, key_file_partition,
+  key_file_master_info, key_file_misc, key_file_partition,
   key_file_pid, key_file_relay_log_info, key_file_send_file, key_file_tclog,
   key_file_trg, key_file_trn, key_file_init;
+extern PSI_file_key key_file_query_log, key_file_slow_log;
 
 void init_server_psi_keys();
 #endif /* HAVE_PSI_INTERFACE */