Fix missing initialization of merge/io counts

[fio.git] / README

diff --git a/README b/README
index db8e6724ee7745d2c81f5ae2793ad6ebdd0f8d41..75553495205c5354397235da553a536b6583b9c9 100644 (file)
--- a/README
+++ b/README
@@ -50,12 +50,26 @@ Building
 --------
 
 Just type 'make' and 'make install'. If on FreeBSD, for now you have to
 --------
 
 Just type 'make' and 'make install'. If on FreeBSD, for now you have to

-specify the FreeBSD Makefile with -f, eg:
+specify the FreeBSD Makefile with -f and use gmake (not make), eg:

 
 

-$ make -f Makefile.Freebsd && make -f Makefile.FreeBSD install
+$ gmake -f Makefile.Freebsd && gmake -f Makefile.FreeBSD install

 
 Likewise with OpenSolaris, use the Makefile.solaris to compile there.
 
 Likewise with OpenSolaris, use the Makefile.solaris to compile there.

-This might change in the future if I opt for an autoconf type setup.
+The OpenSolaris make should work fine. This might change in the
+future if I opt for an autoconf type setup.
+
+If your compile fails with an error like this:
+
+    CC gettime.o
+In file included from fio.h:23,
+                 from gettime.c:8:
+os/os.h:15:20: error: libaio.h: No such file or directory
+In file included from gettime.c:8:
+fio.h:119: error: field 'iocb' has incomplete type
+make: *** [gettime.o] Error 1
+
+Check that you have the libaio development package installed. On RPM
+based distros, it's typically called libaio-devel.

 
 
 Command line
 
 
 Command line


@@ -103,6 +117,7 @@ options in fio. Currently the options are:
        random          Dump info related to random offset generation
        parse           Dump info related to option matching and parsing
        diskutil        Dump info related to disk utilization updates
        random          Dump info related to random offset generation
        parse           Dump info related to option matching and parsing
        diskutil        Dump info related to disk utilization updates

+       job:x           Dump info only related to job number x

        ? or help       Show available debug options.
 
 You can specify as many as you want, eg --debug=file,mem will enable
        ? or help       Show available debug options.
 
 You can specify as many as you want, eg --debug=file,mem will enable


@@ -153,12 +168,13 @@ The job file parameters are:
                        across runs, if 'x' is 1.
        size=x          Set file size to x bytes (x string can include k/m/g)
        ioengine=x      'x' may be: aio/libaio/linuxaio for Linux aio,
                        across runs, if 'x' is 1.
        size=x          Set file size to x bytes (x string can include k/m/g)
        ioengine=x      'x' may be: aio/libaio/linuxaio for Linux aio,

-                       posixaio for POSIX aio, sync for regular read/write io,
+                       posixaio for POSIX aio, solarisaio for Solaris
+                       native async IO, sync for regular read/write io,

                        psync for regular pread/pwrite io, vsync for regular
                        readv/writev (with queuing emulation) mmap for mmap'ed
                        io, syslet-rw for syslet driven read/write, splice for
                        psync for regular pread/pwrite io, vsync for regular
                        readv/writev (with queuing emulation) mmap for mmap'ed
                        io, syslet-rw for syslet driven read/write, splice for

-                       using splice/vmsplice, sgio for direct SG_IO io, net
-                       for network io, or cpuio for a cycler burner load. sgio
+                       using splice/vmsplice, sg for direct SG_IO io, net
+                       for network io, or cpuio for a cycler burner load. sg

                        only works on Linux on SCSI (or SCSI-like devices, such
                        as usb-storage or sata/libata driven) devices. Fio also
                        has a null io engine, which is mainly used for testing
                        only works on Linux on SCSI (or SCSI-like devices, such
                        as usb-storage or sata/libata driven) devices. Fio also
                        has a null io engine, which is mainly used for testing


@@ -202,6 +218,7 @@ The job file parameters are:
        verify=x        If 'x' == md5, use md5 for verifies. If 'x' == crc32,
                        use crc32 for verifies. md5 is 'safer', but crc32 is
                        a lot faster. Only makes sense for writing to a file.
        verify=x        If 'x' == md5, use md5 for verifies. If 'x' == crc32,
                        use crc32 for verifies. md5 is 'safer', but crc32 is
                        a lot faster. Only makes sense for writing to a file.

+                       For other types of checksumming, see HOWTO.

        stonewall       Wait for preceeding jobs to end before running.
        numjobs=x       Create 'x' similar entries for this job
        thread          Use pthreads instead of forked jobs
        stonewall       Wait for preceeding jobs to end before running.
        numjobs=x       Create 'x' similar entries for this job
        thread          Use pthreads instead of forked jobs