Document trim workload choices and other nits

[fio.git] / configure

diff --git a/configure b/configure
index e91ec2582406895772a19e80b20e36bedc32b372..fc1578221a7b69314983eea9f28f4fca499afc92 100755 (executable)
--- a/configure
+++ b/configure
@@ -136,7 +136,9 @@ exit_val=0
 gfio_check="no"
 libhdfs="no"
 pmemblk="no"
+devdax="no"
 disable_lex=""
+disable_pmem="no"
 prefix=/usr/local
 
 # parse options
@@ -172,8 +174,6 @@ for opt do
   ;;
   --enable-libhdfs) libhdfs="yes"
   ;;
-  --enable-pmemblk) pmemblk="yes"
-  ;;
   --disable-lex) disable_lex="yes"
   ;;
   --enable-lex) disable_lex="no"
@@ -182,6 +182,8 @@ for opt do
   ;;
   --disable-optimizations) disable_opt="yes"
   ;;
+  --disable-pmem) disable_pmem="yes"
+  ;;
   --help)
     show_help="yes"
     ;;
@@ -204,8 +206,8 @@ if test "$show_help" = "yes" ; then
   echo "--disable-numa         Disable libnuma even if found"
   echo "--disable-gfapi        Disable gfapi"
   echo "--enable-libhdfs       Enable hdfs support"
-  echo "--enable-pmemblk       Enable NVML libpmemblk support"
   echo "--disable-lex          Disable use of lex/yacc for math"
+  echo "--disable-pmem         Disable pmem based engines even if found"
   echo "--enable-lex           Enable use of lex/yacc for math"
   echo "--disable-shm          Disable SHM support"
   echo "--disable-optimizations Don't enable compiler optimizations"
@@ -1334,6 +1336,32 @@ if test "$disable_rbd" != "yes"  && compile_prog "" "-lrbd -lrados" "rbd"; then
 fi
 echo "Rados Block Device engine     $rbd"
 
+##########################################
+# check for rbd_poll
+rbd_poll="no"
+if test "$rbd" = "yes"; then
+cat > $TMPC << EOF
+#include <rbd/librbd.h>
+#include <sys/eventfd.h>
+
+int main(int argc, char **argv)
+{
+  rbd_image_t image;
+  rbd_completion_t comp;
+
+  int fd = eventfd(0, EFD_NONBLOCK);
+  rbd_set_image_notification(image, fd, EVENT_TYPE_EVENTFD);
+  rbd_poll_io_events(image, comp, 1);
+
+  return 0;
+}
+EOF
+if compile_prog "" "-lrbd -lrados" "rbd"; then
+  rbd_poll="yes"
+fi
+echo "rbd_poll                      $rbd_poll"
+fi
+
 ##########################################
 # check for rbd_invaidate_cache()
 rbd_inval="no"
@@ -1536,10 +1564,55 @@ if compile_prog "" "" "mtd"; then
 fi
 echo "MTD                           $mtd"
 
+##########################################
+# Check whether we have libpmem
+libpmem="no"
+cat > $TMPC << EOF
+#include <libpmem.h>
+int main(int argc, char **argv)
+{
+  int rc;
+  rc = pmem_is_pmem(0, 0);
+  return 0;
+}
+EOF
+if compile_prog "" "-lpmem" "libpmem"; then
+  libpmem="yes"
+fi
+echo "libpmem                       $libpmem"
+
+##########################################
+# Check whether we have libpmemblk
+libpmemblk="no"
+cat > $TMPC << EOF
+#include <libpmemblk.h>
+int main(int argc, char **argv)
+{
+  int rc;
+  rc = pmemblk_open("", 0);
+  return 0;
+}
+EOF
+if compile_prog "" "-lpmemblk -lpmem" "libpmemblk"; then
+  libpmemblk="yes"
+fi
+echo "libpmemblk                    $libpmemblk"
+
+if test "$libpmem" = "yes" && test "$disable_pmem" = "no"; then
+  devdax="yes"
+  if test "$libpmemblk" = "yes"; then
+    pmemblk="yes"
+  fi
+fi
+
 ##########################################
 # Report whether pmemblk engine is enabled
 echo "NVML libpmemblk engine        $pmemblk"
 
+##########################################
+# Report whether dev-dax engine is enabled
+echo "NVML Device Dax engine        $devdax"
+
 # Check if we have lex/yacc available
 yacc="no"
 yacc_is_bison="no"
@@ -1853,6 +1926,9 @@ fi
 if test "$rbd" = "yes" ; then
   output_sym "CONFIG_RBD"
 fi
+if test "$rbd_poll" = "yes" ; then
+  output_sym "CONFIG_RBD_POLL"
+fi
 if test "$rbd_inval" = "yes" ; then
   output_sym "CONFIG_RBD_INVAL"
 fi
@@ -1888,6 +1964,9 @@ fi
 if test "$pmemblk" = "yes" ; then
   output_sym "CONFIG_PMEMBLK"
 fi
+if test "$devdax" = "yes" ; then
+  output_sym "CONFIG_LINUX_DEVDAX"
+fi
 if test "$arith" = "yes" ; then
   output_sym "CONFIG_ARITHMETIC"
   if test "$yacc_is_bison" = "yes" ; then