Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 312 deletions

diff --git a/qemu/tests/test-rcu-list.c b/qemu/tests/test-rcu-list.c
deleted file mode 100644
index 79d375014..000000000
--- a/qemu/tests/test-rcu-list.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/*
- * rcuq_test.c
- *
- * usage: rcuq_test <readers> <duration>
- *
- * 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.
- *
- * Copyright (c) 2013 Mike D. Day, IBM Corporation.
- */
-
-#include "qemu/osdep.h"
-#include <glib.h>
-#include "qemu/atomic.h"
-#include "qemu/rcu.h"
-#include "qemu/thread.h"
-#include "qemu/rcu_queue.h"
-
-/*
- * Test variables.
- */
-
-static QemuMutex counts_mutex;
-static long long n_reads = 0LL;
-static long long n_updates = 0LL;
-static long long n_reclaims = 0LL;
-static long long n_nodes_removed = 0LL;
-static long long n_nodes = 0LL;
-static int g_test_in_charge = 0;
-
-static int nthreadsrunning;
-
-#define GOFLAG_INIT 0
-#define GOFLAG_RUN  1
-#define GOFLAG_STOP 2
-
-static volatile int goflag = GOFLAG_INIT;
-
-#define RCU_READ_RUN 1000
-#define RCU_UPDATE_RUN 10
-#define NR_THREADS 100
-#define RCU_Q_LEN 100
-
-static QemuThread threads[NR_THREADS];
-static struct rcu_reader_data *data[NR_THREADS];
-static int n_threads;
-
-static int select_random_el(int max)
-{
-    return (rand() % max);
-}
-
-
-static void create_thread(void *(*func)(void *))
-{
-    if (n_threads >= NR_THREADS) {
-        fprintf(stderr, "Thread limit of %d exceeded!\n", NR_THREADS);
-        exit(-1);
-    }
-    qemu_thread_create(&threads[n_threads], "test", func, &data[n_threads],
-                       QEMU_THREAD_JOINABLE);
-    n_threads++;
-}
-
-static void wait_all_threads(void)
-{
-    int i;
-
-    for (i = 0; i < n_threads; i++) {
-        qemu_thread_join(&threads[i]);
-    }
-    n_threads = 0;
-}
-
-
-struct list_element {
-    QLIST_ENTRY(list_element) entry;
-    struct rcu_head rcu;
-};
-
-static void reclaim_list_el(struct rcu_head *prcu)
-{
-    struct list_element *el = container_of(prcu, struct list_element, rcu);
-    g_free(el);
-    /* Accessed only from call_rcu thread.  */
-    n_reclaims++;
-}
-
-static QLIST_HEAD(q_list_head, list_element) Q_list_head;
-
-static void *rcu_q_reader(void *arg)
-{
-    long long n_reads_local = 0;
-    struct list_element *el;
-
-    rcu_register_thread();
-
-    *(struct rcu_reader_data **)arg = &rcu_reader;
-    atomic_inc(&nthreadsrunning);
-    while (goflag == GOFLAG_INIT) {
-        g_usleep(1000);
-    }
-
-    while (goflag == GOFLAG_RUN) {
-        rcu_read_lock();
-        QLIST_FOREACH_RCU(el, &Q_list_head, entry) {
-            n_reads_local++;
-            if (goflag == GOFLAG_STOP) {
-                break;
-            }
-        }
-        rcu_read_unlock();
-
-        g_usleep(100);
-    }
-    qemu_mutex_lock(&counts_mutex);
-    n_reads += n_reads_local;
-    qemu_mutex_unlock(&counts_mutex);
-
-    rcu_unregister_thread();
-    return NULL;
-}
-
-
-static void *rcu_q_updater(void *arg)
-{
-    int j, target_el;
-    long long n_nodes_local = 0;
-    long long n_updates_local = 0;
-    long long n_removed_local = 0;
-    struct list_element *el, *prev_el;
-
-    *(struct rcu_reader_data **)arg = &rcu_reader;
-    atomic_inc(&nthreadsrunning);
-    while (goflag == GOFLAG_INIT) {
-        g_usleep(1000);
-    }
-
-    while (goflag == GOFLAG_RUN) {
-        target_el = select_random_el(RCU_Q_LEN);
-        j = 0;
-        /* FOREACH_RCU could work here but let's use both macros */
-        QLIST_FOREACH_SAFE_RCU(prev_el, &Q_list_head, entry, el) {
-            j++;
-            if (target_el == j) {
-                QLIST_REMOVE_RCU(prev_el, entry);
-                /* may be more than one updater in the future */
-                call_rcu1(&prev_el->rcu, reclaim_list_el);
-                n_removed_local++;
-                break;
-            }
-        }
-        if (goflag == GOFLAG_STOP) {
-            break;
-        }
-        target_el = select_random_el(RCU_Q_LEN);
-        j = 0;
-        QLIST_FOREACH_RCU(el, &Q_list_head, entry) {
-            j++;
-            if (target_el == j) {
-                prev_el = g_new(struct list_element, 1);
-                n_nodes += n_nodes_local;
-                QLIST_INSERT_BEFORE_RCU(el, prev_el, entry);
-                break;
-            }
-        }
-
-        n_updates_local += 2;
-        synchronize_rcu();
-    }
-    synchronize_rcu();
-    qemu_mutex_lock(&counts_mutex);
-    n_nodes += n_nodes_local;
-    n_updates += n_updates_local;
-    n_nodes_removed += n_removed_local;
-    qemu_mutex_unlock(&counts_mutex);
-    return NULL;
-}
-
-static void rcu_qtest_init(void)
-{
-    struct list_element *new_el;
-    int i;
-    nthreadsrunning = 0;
-    srand(time(0));
-    for (i = 0; i < RCU_Q_LEN; i++) {
-        new_el = g_new(struct list_element, 1);
-        QLIST_INSERT_HEAD_RCU(&Q_list_head, new_el, entry);
-    }
-    qemu_mutex_lock(&counts_mutex);
-    n_nodes += RCU_Q_LEN;
-    qemu_mutex_unlock(&counts_mutex);
-}
-
-static void rcu_qtest_run(int duration, int nreaders)
-{
-    int nthreads = nreaders + 1;
-    while (atomic_read(&nthreadsrunning) < nthreads) {
-        g_usleep(1000);
-    }
-
-    goflag = GOFLAG_RUN;
-    sleep(duration);
-    goflag = GOFLAG_STOP;
-    wait_all_threads();
-}
-
-
-static void rcu_qtest(const char *test, int duration, int nreaders)
-{
-    int i;
-    long long n_removed_local = 0;
-
-    struct list_element *el, *prev_el;
-
-    rcu_qtest_init();
-    for (i = 0; i < nreaders; i++) {
-        create_thread(rcu_q_reader);
-    }
-    create_thread(rcu_q_updater);
-    rcu_qtest_run(duration, nreaders);
-
-    QLIST_FOREACH_SAFE_RCU(prev_el, &Q_list_head, entry, el) {
-        QLIST_REMOVE_RCU(prev_el, entry);
-        call_rcu1(&prev_el->rcu, reclaim_list_el);
-        n_removed_local++;
-    }
-    qemu_mutex_lock(&counts_mutex);
-    n_nodes_removed += n_removed_local;
-    qemu_mutex_unlock(&counts_mutex);
-    synchronize_rcu();
-    while (n_nodes_removed > n_reclaims) {
-        g_usleep(100);
-        synchronize_rcu();
-    }
-    if (g_test_in_charge) {
-        g_assert_cmpint(n_nodes_removed, ==, n_reclaims);
-    } else {
-        printf("%s: %d readers; 1 updater; nodes read: "  \
-               "%lld, nodes removed: %lld; nodes reclaimed: %lld\n",
-               test, nthreadsrunning - 1, n_reads, n_nodes_removed, n_reclaims);
-        exit(0);
-    }
-}
-
-static void usage(int argc, char *argv[])
-{
-    fprintf(stderr, "Usage: %s duration nreaders\n", argv[0]);
-    exit(-1);
-}
-
-static int gtest_seconds;
-
-static void gtest_rcuq_one(void)
-{
-    rcu_qtest("rcuqtest", gtest_seconds / 4, 1);
-}
-
-static void gtest_rcuq_few(void)
-{
-    rcu_qtest("rcuqtest", gtest_seconds / 4, 5);
-}
-
-static void gtest_rcuq_many(void)
-{
-    rcu_qtest("rcuqtest", gtest_seconds / 2, 20);
-}
-
-
-int main(int argc, char *argv[])
-{
-    int duration = 0, readers = 0;
-
-    qemu_mutex_init(&counts_mutex);
-    if (argc >= 2) {
-        if (argv[1][0] == '-') {
-            g_test_init(&argc, &argv, NULL);
-            if (g_test_quick()) {
-                gtest_seconds = 4;
-            } else {
-                gtest_seconds = 20;
-            }
-            g_test_add_func("/rcu/qlist/single-threaded", gtest_rcuq_one);
-            g_test_add_func("/rcu/qlist/short-few", gtest_rcuq_few);
-            g_test_add_func("/rcu/qlist/long-many", gtest_rcuq_many);
-            g_test_in_charge = 1;
-            return g_test_run();
-        }
-        duration = strtoul(argv[1], NULL, 0);
-    }
-    if (argc >= 3) {
-        readers = strtoul(argv[2], NULL, 0);
-    }
-    if (duration && readers) {
-        rcu_qtest(argv[0], duration, readers);
-        return 0;
-    }
-
-    usage(argc, argv);
-    return -1;
-}