# 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;
+}
+
+
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