Add initial support for benchmarking xseg

diff --git a/xseg/peers/user/Makefile b/xseg/peers/user/Makefile
index bc7be6d..e56b2de 100644 (file)
--- a/xseg/peers/user/Makefile
+++ b/xseg/peers/user/Makefile
@@ -34,7 +34,8 @@
 .PHONY: default all clean install install-src
 
 include $(XSEG_HOME)/base.mk
-PEERS := xseg mt-sosd mt-mapperd st-vlmcd mt-pfiled
+PEERS := xseg mt-sosd dummy mt-mapperd pfiled vlmc-xseg st-vlmcd mt-pfiled \
+       bench
 
 FILES="Makefile"
 FILES+=$(shell ls *.h)
@@ -73,6 +74,9 @@ mt-sosd: mt-sosd.c peer.c peer.h
 dummy: dummy.c peer.c peer.h
        $(CC) $(CFLAGS) -o $@ $< peer.c $(INC) -L$(LIB) -lxseg -lpthread -DMT
 
+bench: bench-xseg.c peer.c peer.h
+       $(CC) $(CFLAGS) -o $@ $< peer.c $(INC) -L$(LIB) -lxseg -lpthread
+
 monitor: monitor.c peer.c peer.h
        $(CC) $(CFLAGS) -o $@ $< peer.c $(INC) -L$(LIB) -lxseg -lpthread -DMT
 

diff --git a/xseg/peers/user/bench-xseg.c b/xseg/peers/user/bench-xseg.c
new file mode 100644 (file)
index 0000000..2fe1429
--- /dev/null
+++ b/xseg/peers/user/bench-xseg.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2012 GRNET S.A. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer.
+ *   2. Redistributions in binary form must reproduce the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer in the documentation and/or other materials
+ *      provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and
+ * documentation are those of the authors and should not be
+ * interpreted as representing official policies, either expressed
+ * or implied, of GRNET S.A.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <pthread.h>
+#include <xseg/xseg.h>
+#include <peer.h>
+#include <time.h>
+#include <sys/util.h>
+
+struct timespec delay = {0, 4000000};
+
+void custom_peer_usage()
+{
+       fprintf(stderr, "Custom peer options: \n"
+               "  --------------------------------------------\n"
+               "    -ts       | No      | Total I/O size\n"
+               "    -os       | 4MB     | Object size\n"
+               "    --iodepth | 1       | Number of in-flight I/O requests\n"
+               "\n");
+}
+int custom_peer_init(struct peerd *peer, int argc, char *argv[])
+{
+
+       return 0;
+}
+
+void custom_peer_finalize(struct peerd *peer)
+{
+       return;
+}
+
+int dispatch(struct peerd *peer, struct peer_req *pr, struct xseg_request *req,
+               enum dispatch_reason reason)
+{
+       if (canDefer(peer))
+               defer_request(peer, pr);
+       else {
+//             printf("completing req id: %u (remote %u)\n", (unsigned int) (pr - peer->peer_reqs), (unsigned int) pr->req->priv);
+//             nanosleep(&delay,NULL);
+               print_req(peer->xseg, pr->req);
+               complete(peer, pr);
+       }
+       return 0;
+}