Merge branch 'fix-libpmem' of https://github.com/lukaszstolarczuk/fio

[fio.git] / examples / libpmem.fio

diff --git a/examples/libpmem.fio b/examples/libpmem.fio
index 0ff681f071981e37d6e5d79438c6d4b3b6fa49f0..3b854a32bff724d2f82ebc1dacb399e5fb2046c9 100644 (file)
--- a/examples/libpmem.fio
+++ b/examples/libpmem.fio
@@ -1,6 +1,6 @@
 [global]
 bs=4k
-size=8g
+size=10g
 ioengine=libpmem
 norandommap
 time_based
@@ -17,16 +17,6 @@ thread
 numjobs=1
 runtime=300
 
-#
-# In case of 'scramble_buffers=1', the source buffer
-# is rewritten with a random value every write operations.
-#
-# But when 'scramble_buffers=0' is set, the source buffer isn't
-# rewritten. So it will be likely that the source buffer is in CPU
-# cache and it seems to be high performance.
-#
-scramble_buffers=0
-
 #
 # depends on direct option, flags are set for pmem_memcpy() call:
 # direct=1 - PMEM_F_MEM_NONTEMPORAL,
@@ -39,9 +29,19 @@ direct=1
 #
 sync=1
 
+#
+# In case of 'scramble_buffers=1', the source buffer
+# is rewritten with a random value every write operation.
+#
+# But when 'scramble_buffers=0' is set, the source buffer isn't
+# rewritten. So it will be likely that the source buffer is in CPU
+# cache and it seems to be high write performance.
+#
+scramble_buffers=1
 
 #
-# Setting for fio process's CPU Node and Memory Node
+# Setting for fio process's CPU Node and Memory Node.
+# Set proper node below or use `numactl` command along with FIO.
 #
 numa_cpu_nodes=0
 numa_mem_policy=bind:0
@@ -53,21 +53,22 @@ cpus_allowed_policy=split
 
 #
 # The libpmem engine does IO to files in a DAX-mounted filesystem.
-# The filesystem should be created on an NVDIMM (e.g /dev/pmem0)
+# The filesystem should be created on a Non-Volatile DIMM (e.g /dev/pmem0)
 # and then mounted with the '-o dax' option.  Note that the engine
 # accesses the underlying NVDIMM directly, bypassing the kernel block
 # layer, so the usual filesystem/disk performance monitoring tools such
 # as iostat will not provide useful data.
 #
-directory=/mnt/pmem0
+#filename=/mnt/pmem/somefile
+directory=/mnt/pmem
 
 [libpmem-seqwrite]
 rw=write
 stonewall
 
-#[libpmem-seqread]
-#rw=read
-#stonewall
+[libpmem-seqread]
+rw=read
+stonewall
 
 #[libpmem-randwrite]
 #rw=randwrite