[Xen-changelog] Add check for speed (takes 33 minutes on my laptop, OUCH!)

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Rusty Russell <rusty@xxxxxxxxxxxxxxx>
# Node ID 6aef7d1062bb6035a2a84603d9f054b24e14c9b2
# Parent  8a757f283fb8013e220bd89848d78fdbd2362195
Add check for speed (takes 33 minutes on my laptop, OUCH!)

Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>

diff -r 8a757f283fb8 -r 6aef7d1062bb tools/xenstore/Makefile
--- a/tools/xenstore/Makefile   Fri Sep 23 12:30:54 2005
+++ b/tools/xenstore/Makefile   Fri Sep 23 13:24:58 2005
@@ -49,6 +49,11 @@
 xs_random: xs_random.o xs_test_lib.o xs_lib.o talloc.o utils.o
 xs_stress: xs_stress.o xs_test_lib.o xs_lib.o talloc.o utils.o
 xs_crashme: xs_crashme.o xs_lib.o talloc.o utils.o
+
+speedtest: speedtest.o xs.o xs_lib.o utils.o talloc.o
+
+check-speed: speedtest xenstored_test $(TESTDIR)
+       $(TESTENV) time ./speedtest 100
 
 xs_test.o xs_stress.o xenstored_core_test.o xenstored_watch_test.o 
xenstored_transaction_test.o xenstored_domain_test.o xs_random.o xs_test_lib.o 
talloc_test.o fake_libxc.o xs_crashme.o: CFLAGS=$(BASECFLAGS) $(TESTFLAGS)
 
diff -r 8a757f283fb8 -r 6aef7d1062bb tools/xenstore/speedtest.c
--- /dev/null   Fri Sep 23 12:30:54 2005
+++ b/tools/xenstore/speedtest.c        Fri Sep 23 13:24:58 2005
@@ -0,0 +1,130 @@
+/* 
+    Xen Store Daemon Speed test
+    Copyright (C) 2005 Rusty Russell IBM Corporation
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include "utils.h"
+#include "xs.h"
+#include "list.h"
+#include "talloc.h"
+
+static void do_command(const char *cmd)
+{
+       int ret;
+
+       ret = system(cmd);
+       if (ret == -1 || !WIFEXITED(ret) || WEXITSTATUS(ret) != 0)
+               barf_perror("Failed '%s': %i", cmd, ret);
+}
+
+static int start_daemon(void)
+{
+       int fds[2], pid;
+
+       do_command(talloc_asprintf(NULL, "rm -rf testsuite/tmp/*"));
+
+       /* Start daemon. */
+       pipe(fds);
+       if ((pid = fork())) {
+               /* Child writes PID when its ready: we wait for that. */
+               char buffer[20];
+               close(fds[1]);
+               if (read(fds[0], buffer, sizeof(buffer)) < 0)
+                       barf("Failed to summon daemon");
+               close(fds[0]);
+       } else {
+               dup2(fds[1], STDOUT_FILENO);
+               close(fds[0]);
+#if 0
+               execlp("valgrind", "valgrind", "-q", 
"--suppressions=testsuite/vg-suppressions", "xenstored_test", "--output-pid",
+                      "--no-fork", "--trace-file=/tmp/trace", NULL);
+#else
+               execlp("./xenstored_test", "xenstored_test", "--output-pid", 
"--no-fork", NULL);
+//             execlp("strace", "strace", "-o", "/tmp/out", 
"./xenstored_test", "--output-pid", "--no-fork", NULL);
+#endif
+               exit(1);
+       }
+       return pid;
+}
+
+static void kill_daemon(int pid)
+{
+       int saved_errno = errno;
+       kill(pid, SIGTERM);
+       errno = saved_errno;
+}
+
+#define NUM_ENTRIES 50
+
+/* We create the given number of trees, each with NUM_ENTRIES, using
+ * transactions. */
+int main(int argc, char *argv[])
+{
+       int i, j, pid, print;
+       struct xs_handle *h;
+
+       if (argc != 2)
+               barf("Usage: speedtest <numdomains>");
+
+       pid = start_daemon();
+       h = xs_daemon_open();
+       print = atoi(argv[1]) / 76;
+       if (!print)
+               print = 1;
+       for (i = 0; i < atoi(argv[1]); i ++) {
+               char name[64];
+
+               if (i % print == 0)
+                       write(1, ".", 1);
+               if (!xs_transaction_start(h, "/")) {
+                       kill_daemon(pid);
+                       barf_perror("Starting transaction");
+               }
+               sprintf(name, "/%i", i);
+               if (!xs_mkdir(h, name)) {
+                       kill_daemon(pid);
+                       barf_perror("Making directory %s", name);
+               }
+
+               for (j = 0; j < NUM_ENTRIES; j++) {
+                       sprintf(name, "/%i/%i", i, j);
+                       if (!xs_write(h, name, name, strlen(name))) {
+                               kill_daemon(pid);
+                               barf_perror("Making directory %s", name);
+                       }
+               }
+               if (!xs_transaction_end(h, false)) {
+                       kill_daemon(pid);
+                       barf_perror("Ending transaction");
+               }
+       }
+       write(1, "\n", 1);
+
+       kill_daemon(pid);
+       wait(NULL);
+       return 0;
+}
+       
+       

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog