socsvn commit: r238936 - in soc2012/gmiller/locking-head: . tools/regression/lib/libthr tools/regression/lib/libthr/lockprof tools/regression/lib/libwitness

[gmiller at FreeBSD.org]

Author: gmiller
Date: Tue Jul  3 22:45:09 2012
New Revision: 238936
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=238936

Log:
   r238827 at FreeBSD-dev:  root | 2012-07-03 05:12:44 -0500
   Add the first round of lock profiling tests.

Added:
  soc2012/gmiller/locking-head/tools/regression/lib/libthr/
  soc2012/gmiller/locking-head/tools/regression/lib/libthr/lockprof/
  soc2012/gmiller/locking-head/tools/regression/lib/libthr/lockprof/Makefile
  soc2012/gmiller/locking-head/tools/regression/lib/libthr/lockprof/lock-cycle.c
  soc2012/gmiller/locking-head/tools/regression/lib/libthr/lockprof/lock-cycle.t
  soc2012/gmiller/locking-head/tools/regression/lib/libwitness/
  soc2012/gmiller/locking-head/tools/regression/lib/libwitness/witness.t
Modified:
  soc2012/gmiller/locking-head/   (props changed)

Added: soc2012/gmiller/locking-head/tools/regression/lib/libthr/lockprof/Makefile
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2012/gmiller/locking-head/tools/regression/lib/libthr/lockprof/Makefile	Tue Jul  3 22:45:09 2012	(r238936)
@@ -0,0 +1,15 @@
+# $FreeBSD$
+
+TESTS=	lock-cycle
+CFLAGS+= -DLOCK_PROFILING -g -Wall -Wextra -Werror -lthr_profile
+
+.PHONY: tests
+tests: ${TESTS}
+	for p in ${TESTS}; do ${.OBJDIR}/$$p; done
+
+.PHONY: clean
+clean:
+	-rm -f ${TESTS}
+
+lock-cycle: lock-cycle.c
+	${CC} -o lock-cycle lock-cycle.c ${CFLAGS}
\ No newline at end of file

Added: soc2012/gmiller/locking-head/tools/regression/lib/libthr/lockprof/lock-cycle.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2012/gmiller/locking-head/tools/regression/lib/libthr/lockprof/lock-cycle.c	Tue Jul  3 22:45:09 2012	(r238936)
@@ -0,0 +1,138 @@
+
+#include <pthread.h>
+#include <pthread_np.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+
+void
+lock_cycle(void)
+{
+	int		i;
+
+	for (i = 0; i < 1000; i++) {
+		pthread_mutex_lock(&mutex);
+
+		usleep(10);
+
+		pthread_mutex_unlock(&mutex);
+	}
+}
+
+void *
+thread_func(void *v)
+{
+	v = v;
+
+	lock_cycle();
+
+	return NULL;
+}
+
+void
+multi_cycle()
+{
+	pthread_t	thread1;
+	pthread_t	thread2;
+
+	pthread_create(&thread1, NULL, thread_func, NULL);
+	pthread_create(&thread2, NULL, thread_func, NULL);
+
+	lock_cycle();
+
+	pthread_join(thread1, NULL);
+	pthread_join(thread2, NULL);
+}
+
+#define	MAX_TESTS	(100)
+
+int success_count = 0;
+int fail_count = 0;
+char result[MAX_TESTS];
+
+void
+check(char cond)
+{
+	result[success_count + fail_count] = cond;
+
+	if (cond) {
+		success_count++;
+	} else {
+		fail_count++;
+	}
+}
+
+void
+show_test_results(void)
+{
+	int		i;
+
+	printf("1..%d\n", success_count + fail_count);
+
+	for (i = 1; i <= success_count + fail_count; i++) {
+		if (result[i - 1]) {
+			printf("ok %d\n", i);
+		} else {
+			printf("not ok %d\n", i);
+		}
+	}
+}
+
+void
+check_stats_single(void)
+{
+	int		record_count = 0;
+	struct pthread_statistics_np stats;
+	long		tm;
+
+	pthread_getstatistics_begin_np(&stats);
+	while (pthread_getstatistics_next_np(&stats)) {
+		record_count++;
+	}
+	pthread_getstatistics_end_np(&stats);
+
+	check(record_count == 1);
+
+	pthread_getstatistics_begin_np(&stats);
+	pthread_getstatistics_next_np(&stats);
+	pthread_getstatistics_end_np(&stats);
+
+	check(strcmp(stats.file, "lock-cycle.c") == 0);
+	check(stats.line == 16);
+
+	check(stats.wait_max.tv_sec == 0 && stats.wait_max.tv_nsec == 0);
+
+	tm = stats.hold_max.tv_sec * 1000000L + stats.hold_max.tv_nsec / 1000;
+	check(tm >= 10);
+
+	check(stats.contest_count == 0);
+
+	check(stats.wait_time.tv_sec == 0 && stats.wait_time.tv_nsec == 0);
+
+	tm = stats.hold_time.tv_sec * 1000000L +
+	    stats.hold_time.tv_nsec / 1000;
+	check(tm >= 10000);
+
+	check(stats.acq_count == 1000);
+}
+
+void
+check_stats_multi(void)
+{
+}
+
+int
+main(void)
+{
+	lock_cycle();
+	check_stats_single();
+
+	multi_cycle();
+	check_stats_multi();
+
+	show_test_results();
+
+	return 0;
+}

Added: soc2012/gmiller/locking-head/tools/regression/lib/libthr/lockprof/lock-cycle.t
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2012/gmiller/locking-head/tools/regression/lib/libthr/lockprof/lock-cycle.t	Tue Jul  3 22:45:09 2012	(r238936)
@@ -0,0 +1,10 @@
+#!/bin/sh
+# $FreeBSD$
+
+cd `dirname $0`
+
+executable=`basename $0 .t`
+
+make $executable 2>&1 > /dev/null
+
+exec ./$executable

Added: soc2012/gmiller/locking-head/tools/regression/lib/libwitness/witness.t
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ soc2012/gmiller/locking-head/tools/regression/lib/libwitness/witness.t	Tue Jul  3 22:45:09 2012	(r238936)
@@ -0,0 +1,5 @@
+#!/bin/sh
+# $FreeBSD$
+
+echo 1..1
+echo ok 1