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authorPaul Dubs <paul.dubs@gmail.com>2011-07-21 17:26:02 +0200
committerPaul Dubs <paul.dubs@gmail.com>2011-07-21 17:26:02 +0200
commit25c8b9d76ce2995c1144149df3b047d457c5613a (patch)
treef8245bdc4925e592af617c86a506dd922d8f6100 /README
parent35649e58042da4beefefc2678c09e4625ec2155e (diff)
downloadfio-25c8b9d76ce2995c1144149df3b047d457c5613a.tar.gz
Addes Trace file format description
Diffstat (limited to 'README')
-rw-r--r--README7
1 files changed, 2 insertions, 5 deletions
diff --git a/README b/README
index 163ee38d..7c93d1fc 100644
--- a/README
+++ b/README
@@ -289,11 +289,8 @@ The job file parameters are:
can be used to gauge hard drive speed over the entire
platter, without reading everything. Both x/y can
include k/m/g suffix.
- iolog=x Open and read io pattern from file 'x'. The file must
- contain one io action per line in the following format:
- rw, offset, length
- where with rw=0/1 for read/write, and the offset
- and length entries being in bytes.
+ read_iolog=x Open and read io pattern from file 'x'. The file format
+ is described in the HOWTO.
write_iolog=x Write an iolog to file 'x' in the same format as iolog.
The iolog options are exclusive, if both given the
read iolog will be performed. Specify a separate file