Commit 17582bc0 authored by unknown's avatar unknown
Browse files

Merge mysql.com:/home/cps/mysql/trees/mysql-5.0 

into mysql.com:/home/cps/mysql/devel/innotask/mysql-5.0-inno-final
parents 703c498f e1f5b3f9

innobase/buf/buf0buf.c

+24 −0
Original line number Diff line number Diff line
@@ -2136,6 +2136,30 @@ buf_print(void) 
	ut_a(buf_validate());

}	



/*************************************************************************

Returns the number of latched pages in the buffer pool. */



ulint

buf_get_latched_pages_number(void)

{

        buf_block_t* block;

        ulint i;

        ulint fixed_pages_number = 0;



        mutex_enter(&(buf_pool->mutex));



        for (i = 0; i < buf_pool->curr_size; i++) {



               block = buf_pool_get_nth_block(buf_pool, i);



               if ((block->buf_fix_count != 0) || (block->io_fix != 0))

                       fixed_pages_number++;

        }



        mutex_exit(&(buf_pool->mutex));

        return fixed_pages_number;

}



/*************************************************************************

Returns the number of pending buf pool ios. */

innobase/buf/buf0flu.c

+7 −0
Original line number Diff line number Diff line
@@ -273,6 +273,10 @@ buf_flush_buffered_writes(void) 
		}

	}



        /* increment the doublewrite flushed pages counter */

        srv_dblwr_pages_written+= trx_doublewrite->first_free;

        srv_dblwr_writes++;

        

	if (trx_doublewrite->first_free > TRX_SYS_DOUBLEWRITE_BLOCK_SIZE) {

		len = TRX_SYS_DOUBLEWRITE_BLOCK_SIZE * UNIV_PAGE_SIZE;

	} else {
@@ -901,6 +905,9 @@ buf_flush_batch( 
			(ulong) page_count);

	}

	

        if (page_count != ULINT_UNDEFINED)

          srv_buf_pool_flushed+= page_count;



	return(page_count);

}

innobase/buf/buf0lru.c

+1 −0
Original line number Diff line number Diff line
@@ -432,6 +432,7 @@ buf_LRU_get_free_block(void) 
	/* No free block was found: try to flush the LRU list */



	buf_flush_free_margin();

        ++srv_buf_pool_wait_free;



	os_aio_simulated_wake_handler_threads();

innobase/buf/buf0rea.c

+7 −0
Original line number Diff line number Diff line
@@ -20,6 +20,10 @@ Created 11/5/1995 Heikki Tuuri 
#include "os0file.h"

#include "srv0start.h"



extern ulint srv_read_ahead_rnd;

extern ulint srv_read_ahead_seq;

extern ulint srv_buf_pool_reads;



/* The size in blocks of the area where the random read-ahead algorithm counts

the accessed pages when deciding whether to read-ahead */

#define	BUF_READ_AHEAD_RANDOM_AREA	BUF_READ_AHEAD_AREA
@@ -291,6 +295,7 @@ buf_read_ahead_random( 
		       				(ulong) count);

	}



        ++srv_read_ahead_rnd;

	return(count);

}
@@ -323,6 +328,7 @@ buf_read_page( 


	count2 = buf_read_page_low(&err, TRUE, BUF_READ_ANY_PAGE, space,

					tablespace_version, offset);

        srv_buf_pool_reads+= count2;

	if (err == DB_TABLESPACE_DELETED) {

	        ut_print_timestamp(stderr);

		fprintf(stderr,
@@ -575,6 +581,7 @@ buf_read_ahead_linear( 
		(ulong) space, (ulong) offset, (ulong) count);

	}



        ++srv_read_ahead_seq;

	return(count);

}

innobase/fil/fil0fil.c

+10 −0
Original line number Diff line number Diff line
@@ -88,6 +88,9 @@ but in the MySQL Embedded Server Library and ibbackup it is not the default 
directory, and we must set the base file path explicitly */

const char*	fil_path_to_mysql_datadir	= ".";



/* The number of fsyncs done to the log */

ulint	fil_n_log_flushes                       = 0;



ulint	fil_n_pending_log_flushes		= 0;

ulint	fil_n_pending_tablespace_flushes	= 0;
@@ -3671,6 +3674,12 @@ fil_io( 
		mode = OS_AIO_NORMAL;

	}



        if (type == OS_FILE_READ) {

                srv_data_read+= len;

        } else if (type == OS_FILE_WRITE) {

                srv_data_written+= len;

        }



	/* Reserve the fil_system mutex and make sure that we can open at

	least one file while holding it, if the file is not already open */
@@ -3956,6 +3965,7 @@ fil_flush( 
				fil_n_pending_tablespace_flushes++;

			} else {

				fil_n_pending_log_flushes++;

				fil_n_log_flushes++;

			}

#ifdef __WIN__

			if (node->is_raw_disk) {