Recent changes (master)

index 743144f..ff7aa09 100644
@@ -1901,6 +1901,22 @@ I/O engine
 			mounted with DAX on a persistent memory device through the PMDK
 			libpmem library.
 
+		**ime_psync**
+			Synchronous read and write using DDN's Infinite Memory Engine (IME).
+			This engine is very basic and issues calls to IME whenever an IO is
+			queued.
+
+		**ime_psyncv**
+			Synchronous read and write using DDN's Infinite Memory Engine (IME).
+			This engine uses iovecs and will try to stack as much IOs as possible
+			(if the IOs are "contiguous" and the IO depth is not exceeded)
+			before issuing a call to IME.
+
+		**ime_aio**
+			Asynchronous read and write using DDN's Infinite Memory Engine (IME).
+			This engine will try to stack as much IOs as possible by creating
+			requests for IME. FIO will then decide when to commit these requests.
+
 I/O engine specific parameters
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

index b981b45..e8e15fe 100644
@@ -145,6 +145,9 @@ endif
 ifdef CONFIG_LIBPMEM
   SOURCE += engines/libpmem.c
 endif
+ifdef CONFIG_IME
+  SOURCE += engines/ime.c
+endif
 
 ifeq ($(CONFIG_TARGET_OS), Linux)
   SOURCE += diskutil.c fifo.c blktrace.c cgroup.c trim.c engines/sg.c \

index a03f7fa..fb8b243 100755
@@ -202,6 +202,8 @@ for opt do
   ;;
   --disable-native) disable_native="yes"
   ;;
+  --with-ime=*) ime_path="$optarg"
+  ;;
   --help)
     show_help="yes"
     ;;

@@ -233,6 +235,7 @@ if test "$show_help" = "yes" ; then
   echo "--disable-optimizations Don't enable compiler optimizations"
   echo "--enable-cuda           Enable GPUDirect RDMA support"
   echo "--disable-native        Don't build for native host"
+  echo "--with-ime=             Install path for DDN's Infinite Memory Engine"
   exit $exit_val
 fi
 

@@ -1963,6 +1966,29 @@ print_config "PMDK dev-dax engine" "$devdax"
 print_config "PMDK libpmem engine" "$pmem"
 
 ##########################################
+# Check whether we support DDN's IME
+if test "$libime" != "yes" ; then
+  libime="no"
+fi
+cat > $TMPC << EOF
+#include <ime_native.h>
+int main(int argc, char **argv)
+{
+  int rc;
+  ime_native_init();
+  rc = ime_native_finalize();
+  return 0;
+}
+EOF
+if compile_prog "-I${ime_path}/include" "-L${ime_path}/lib -lim_client" "libime"; then
+  libime="yes"
+  CFLAGS="-I${ime_path}/include $CFLAGS"
+  LDFLAGS="-Wl,-rpath ${ime_path}/lib -L${ime_path}/lib $LDFLAGS"
+  LIBS="-lim_client $LIBS"
+fi
+print_config "DDN's Infinite Memory Engine" "$libime"
+
+##########################################
 # Check if we have lex/yacc available
 yacc="no"
 yacc_is_bison="no"

@@ -2455,6 +2481,9 @@ fi
 if test "$pmem" = "yes" ; then
   output_sym "CONFIG_LIBPMEM"
 fi
+if test "$libime" = "yes" ; then
+  output_sym "CONFIG_IME"
+fi
 if test "$arith" = "yes" ; then
   output_sym "CONFIG_ARITHMETIC"
   if test "$yacc_is_bison" = "yes" ; then

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index 73a0422..cb4351f 100644
@@ -1673,6 +1673,20 @@ done other than creating the file.
 Read and write using mmap I/O to a file on a filesystem
 mounted with DAX on a persistent memory device through the PMDK
 libpmem library.
+.TP
+.B ime_psync
+Synchronous read and write using DDN's Infinite Memory Engine (IME). This
+engine is very basic and issues calls to IME whenever an IO is queued.
+.TP
+.B ime_psyncv
+Synchronous read and write using DDN's Infinite Memory Engine (IME). This
+engine uses iovecs and will try to stack as much IOs as possible (if the IOs
+are "contiguous" and the IO depth is not exceeded) before issuing a call to IME.
+.TP
+.B ime_aio
+Asynchronous read and write using DDN's Infinite Memory Engine (IME). This
+engine will try to stack as much IOs as possible by creating requests for IME.
+FIO will then decide when to commit these requests.
 .SS "I/O engine specific parameters"
 In addition, there are some parameters which are only valid when a specific
 \fBioengine\fR is in use. These are used identically to normal parameters,

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226 lines not on this page · raw message