C-style comments

[fio.git] / examples / libpmem.fio

diff --git a/examples/libpmem.fio b/examples/libpmem.fio
index 17946cbec4fdd3ec4e4c8454d17a131175110a40..0ff681f071981e37d6e5d79438c6d4b3b6fa49f0 100644 (file)
--- a/examples/libpmem.fio
+++ b/examples/libpmem.fio
@@ -3,7 +3,7 @@ bs=4k
 size=8g
 ioengine=libpmem
 norandommap
-time_based=1
+time_based
 group_reporting
 invalidate=1
 disable_lat=1
@@ -13,27 +13,32 @@ clat_percentiles=0
 
 iodepth=1
 iodepth_batch=1
-thread=1
+thread
 numjobs=1
+runtime=300
 
 #
 # In case of 'scramble_buffers=1', the source buffer
-# is rewritetten with a random value every write operations.
+# is rewritten with a random value every write operations.
 #
-# But when 'scramble_buffers=0', the source buffer isn't rewritten.
-# So it will be likely that he source buffer is on CPU cache and
-# it seems to be high performance.
+# 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
 
 #
-# direct=0:
-#   Using pmem_memcpy_nodrain() for write operation
+# depends on direct option, flags are set for pmem_memcpy() call:
+# direct=1 - PMEM_F_MEM_NONTEMPORAL,
+# direct=0 - PMEM_F_MEM_TEMPORAL.
 #
-# direct=1:
-#   Using pmem_memcpy_persist() for write operation
+direct=1
+
+#
+# sync=1 means that pmem_drain() is executed for each write operation.
 #
-direct=0
+sync=1
+
 
 #
 # Setting for fio process's CPU Node and Memory Node
@@ -47,7 +52,7 @@ numa_mem_policy=bind:0
 cpus_allowed_policy=split
 
 #
-# The pmemblk engine does IO to files in a DAX-mounted filesystem.
+# The libpmem engine does IO to files in a DAX-mounted filesystem.
 # The filesystem should be created on an NVDIMM (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