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[Qemu-devel] [PATCH 15/17] migration: Test new fd infrastructure
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 15/17] migration: Test new fd infrastructure |
Date: |
Mon, 23 Jan 2017 22:32:19 +0100 |
We just send the address through the alternate channels and test that it
is ok.
Signed-off-by: Juan Quintela <address@hidden>
---
migration/ram.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/migration/ram.c b/migration/ram.c
index 4e530ea..95af694 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -432,8 +432,22 @@ static void *multifd_send_thread(void *opaque)
qemu_mutex_lock(¶ms->mutex);
while (!params->quit){
if (params->pages.num) {
+ int i;
+ int num;
+
+ num = params->pages.num;
params->pages.num = 0;
qemu_mutex_unlock(¶ms->mutex);
+
+ for(i=0; i < num; i++) {
+ if (qio_channel_write(params->c,
+ (const char *)¶ms->pages.address[i],
+ sizeof(uint8_t *), &error_abort)
+ != sizeof(uint8_t*)) {
+ /* Shuoudn't ever happen */
+ exit(-1);
+ }
+ }
qemu_mutex_lock(&multifd_send_mutex);
params->done = true;
qemu_cond_signal(&multifd_send_cond);
@@ -594,6 +608,7 @@ QemuCond multifd_recv_cond;
static void *multifd_recv_thread(void *opaque)
{
MultiFDRecvParams *params = opaque;
+ uint8_t *recv_address;
char start;
qio_channel_read(params->c, &start, 1, &error_abort);
@@ -605,8 +620,29 @@ static void *multifd_recv_thread(void *opaque)
qemu_mutex_lock(¶ms->mutex);
while (!params->quit){
if (params->pages.num) {
+ int i;
+ int num;
+
+ num = params->pages.num;
params->pages.num = 0;
qemu_mutex_unlock(¶ms->mutex);
+
+ for(i = 0; i < num; i++) {
+ if (qio_channel_read(params->c,
+ (char *)&recv_address,
+ sizeof(uint8_t*), &error_abort)
+ != sizeof(uint8_t *)) {
+ /* shouldn't ever happen */
+ exit(-1);
+ }
+ if (recv_address != params->pages.address[i]) {
+ printf("We received %p what we were expecting %p (%d)\n",
+ recv_address,
+ params->pages.address[i], i);
+ exit(-1);
+ }
+ }
+
qemu_mutex_lock(&multifd_recv_mutex);
params->done = true;
qemu_cond_signal(&multifd_recv_cond);
--
2.9.3
- Re: [Qemu-devel] [PATCH 07/17] migration: Create x-multifd-group parameter, (continued)
- [Qemu-devel] [PATCH 08/17] migration: create multifd migration threads, Juan Quintela, 2017/01/23
- [Qemu-devel] [PATCH 09/17] migration: Start of multiple fd work, Juan Quintela, 2017/01/23
- [Qemu-devel] [PATCH 10/17] migration: create ram_multifd_page, Juan Quintela, 2017/01/23
- [Qemu-devel] [PATCH 11/17] migration: Create thread infrastructure for multifd send side, Juan Quintela, 2017/01/23
- [Qemu-devel] [PATCH 12/17] migration: really use multiple pages at a time, Juan Quintela, 2017/01/23
- [Qemu-devel] [PATCH 13/17] migration: Send the fd number which we are going to use for this page, Juan Quintela, 2017/01/23
- [Qemu-devel] [PATCH 14/17] migration: Create thread infrastructure for multifd recv side, Juan Quintela, 2017/01/23
- [Qemu-devel] [PATCH 15/17] migration: Test new fd infrastructure,
Juan Quintela <=
- [Qemu-devel] [PATCH 16/17] migration: [HACK]Transfer pages over new channels, Juan Quintela, 2017/01/23
- [Qemu-devel] [PATCH 17/17] migration: flush receive queue, Juan Quintela, 2017/01/23
- Re: [Qemu-devel] [PATCH 00/17] multifd v3, no-reply, 2017/01/23