From: Juan Quintela <quintela@redhat.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 17/30] migration: move migration_fd_put_ready()
Date: Thu, 18 Oct 2012 09:30:13 +0200 [thread overview]
Message-ID: <1350545426-23172-18-git-send-email-quintela@redhat.com> (raw)
In-Reply-To: <1350545426-23172-1-git-send-email-quintela@redhat.com>
Put it near its use and un-export it.
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
migration.c | 132 ++++++++++++++++++++++++++++++------------------------------
migration.h | 1 -
2 files changed, 66 insertions(+), 67 deletions(-)
diff --git a/migration.c b/migration.c
index b1567f3..a99653e 100644
--- a/migration.c
+++ b/migration.c
@@ -300,72 +300,6 @@ ssize_t migrate_fd_put_buffer(MigrationState *s, const void *data,
return ret;
}
-bool migrate_fd_put_ready(MigrationState *s, uint64_t max_size)
-{
- int ret;
- static bool first_time = true;
- uint64_t pending_size;
- bool last_round = false;
-
- qemu_mutex_lock_iothread();
- if (s->state != MIG_STATE_ACTIVE) {
- DPRINTF("put_ready returning because of non-active state\n");
- qemu_mutex_unlock_iothread();
- return false;
- }
- if (first_time) {
- first_time = false;
- DPRINTF("beginning savevm\n");
- ret = qemu_savevm_state_begin(s->file, &s->params);
- if (ret < 0) {
- DPRINTF("failed, %d\n", ret);
- migrate_fd_error(s);
- qemu_mutex_unlock_iothread();
- return false;
- }
- }
-
- DPRINTF("iterate\n");
- pending_size = qemu_savevm_state_pending(s->file, max_size);
- DPRINTF("pending size %lu max %lu\n", pending_size, max_size);
- if (pending_size >= max_size) {
- ret = qemu_savevm_state_iterate(s->file);
- if (ret < 0) {
- migrate_fd_error(s);
- }
- } else {
- int old_vm_running = runstate_is_running();
- int64_t start_time, end_time;
-
- DPRINTF("done iterating\n");
- start_time = qemu_get_clock_ms(rt_clock);
- qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
- if (old_vm_running) {
- vm_stop(RUN_STATE_FINISH_MIGRATE);
- } else {
- vm_stop_force_state(RUN_STATE_FINISH_MIGRATE);
- }
-
- if (qemu_savevm_state_complete(s->file) < 0) {
- migrate_fd_error(s);
- } else {
- migrate_fd_completed(s);
- }
- end_time = qemu_get_clock_ms(rt_clock);
- s->total_time = end_time - s->total_time;
- s->downtime = end_time - start_time;
- if (s->state != MIG_STATE_COMPLETED) {
- if (old_vm_running) {
- vm_start();
- }
- }
- last_round = true;
- }
- qemu_mutex_unlock_iothread();
-
- return last_round;
-}
-
static void migrate_fd_cancel(MigrationState *s)
{
if (s->state != MIG_STATE_ACTIVE)
@@ -718,6 +652,72 @@ static int64_t buffered_get_rate_limit(void *opaque)
return s->xfer_limit;
}
+static bool migrate_fd_put_ready(MigrationState *s, uint64_t max_size)
+{
+ int ret;
+ static bool first_time = true;
+ uint64_t pending_size;
+ bool last_round = false;
+
+ qemu_mutex_lock_iothread();
+ if (s->state != MIG_STATE_ACTIVE) {
+ DPRINTF("put_ready returning because of non-active state\n");
+ qemu_mutex_unlock_iothread();
+ return false;
+ }
+ if (first_time) {
+ first_time = false;
+ DPRINTF("beginning savevm\n");
+ ret = qemu_savevm_state_begin(s->file, &s->params);
+ if (ret < 0) {
+ DPRINTF("failed, %d\n", ret);
+ migrate_fd_error(s);
+ qemu_mutex_unlock_iothread();
+ return false;
+ }
+ }
+
+ DPRINTF("iterate\n");
+ pending_size = qemu_savevm_state_pending(s->file, max_size);
+ DPRINTF("pending size %lu max %lu\n", pending_size, max_size);
+ if (pending_size >= max_size) {
+ ret = qemu_savevm_state_iterate(s->file);
+ if (ret < 0) {
+ migrate_fd_error(s);
+ }
+ } else {
+ int old_vm_running = runstate_is_running();
+ int64_t start_time, end_time;
+
+ DPRINTF("done iterating\n");
+ start_time = qemu_get_clock_ms(rt_clock);
+ qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
+ if (old_vm_running) {
+ vm_stop(RUN_STATE_FINISH_MIGRATE);
+ } else {
+ vm_stop_force_state(RUN_STATE_FINISH_MIGRATE);
+ }
+
+ if (qemu_savevm_state_complete(s->file) < 0) {
+ migrate_fd_error(s);
+ } else {
+ migrate_fd_completed(s);
+ }
+ end_time = qemu_get_clock_ms(rt_clock);
+ s->total_time = end_time - s->total_time;
+ s->downtime = end_time - start_time;
+ if (s->state != MIG_STATE_COMPLETED) {
+ if (old_vm_running) {
+ vm_start();
+ }
+ }
+ last_round = true;
+ }
+ qemu_mutex_unlock_iothread();
+
+ return last_round;
+}
+
/* 100ms xfer_limit is the limit that we should write each 100ms */
#define BUFFER_DELAY 100
diff --git a/migration.h b/migration.h
index 40c8e9c..f4c4d1e 100644
--- a/migration.h
+++ b/migration.h
@@ -81,7 +81,6 @@ void migrate_fd_connect(MigrationState *s);
ssize_t migrate_fd_put_buffer(MigrationState *s, const void *data,
size_t size);
-bool migrate_fd_put_ready(MigrationState *s, uint64_t max_size);
int migrate_fd_close(MigrationState *s);
void add_migration_state_change_notifier(Notifier *notify);
--
1.7.11.7
next prev parent reply other threads:[~2012-10-18 7:31 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-18 7:29 [Qemu-devel] [PATCH 00/30] Migration thread 20121017 edition Juan Quintela
2012-10-18 7:29 ` [Qemu-devel] [PATCH 01/30] split MRU ram list Juan Quintela
2012-10-21 11:58 ` Orit Wasserman
2012-10-21 17:02 ` Peter Maydell
2012-10-18 7:29 ` [Qemu-devel] [PATCH 02/30] add a version number to ram_list Juan Quintela
2012-10-21 12:00 ` Orit Wasserman
2012-10-18 7:29 ` [Qemu-devel] [PATCH 03/30] protect the ramlist with a separate mutex Juan Quintela
2012-10-21 12:05 ` Orit Wasserman
2012-10-18 7:30 ` [Qemu-devel] [PATCH 04/30] buffered_file: Move from using a timer to use a thread Juan Quintela
2012-10-18 8:56 ` Paolo Bonzini
2012-10-21 12:09 ` Orit Wasserman
2012-11-12 11:42 ` Paolo Bonzini
2012-10-18 7:30 ` [Qemu-devel] [PATCH 05/30] migration: make qemu_fopen_ops_buffered() return void Juan Quintela
2012-10-21 12:10 ` Orit Wasserman
2012-10-18 7:30 ` [Qemu-devel] [PATCH 06/30] migration: stop all cpus correctly Juan Quintela
2012-11-12 11:44 ` Paolo Bonzini
2012-11-14 15:21 ` Paolo Bonzini
2012-12-14 12:36 ` Juan Quintela
2012-12-14 13:53 ` Paolo Bonzini
2012-10-18 7:30 ` [Qemu-devel] [PATCH 07/30] migration: make writes blocking Juan Quintela
2012-11-12 11:52 ` Paolo Bonzini
2012-10-18 7:30 ` [Qemu-devel] [PATCH 08/30] migration: remove unfreeze logic Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 09/30] migration: take finer locking Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 10/30] buffered_file: Unfold the trick to restart generating migration data Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 11/30] buffered_file: don't flush on put buffer Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 12/30] buffered_file: unfold buffered_append in buffered_put_buffer Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 13/30] savevm: New save live migration method: pending Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 14/30] migration: include qemu-file.h Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 15/30] migration-fd: remove duplicate include Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 16/30] migration: move buffered_file.c code into migration.c Juan Quintela
2012-10-18 8:57 ` Paolo Bonzini
2012-10-18 7:30 ` Juan Quintela [this message]
2012-10-18 7:30 ` [Qemu-devel] [PATCH 18/30] migration: Inline qemu_fopen_ops_buffered into migrate_fd_connect Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 19/30] migration: move migration notifier Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 20/30] migration: move begining stage to the migration thread Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 21/30] migration: move exit condition to " Juan Quintela
2012-10-18 8:34 ` Paolo Bonzini
2012-10-26 11:43 ` Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 22/30] migration: unfold rest of migrate_fd_put_ready() into thread Juan Quintela
2012-10-18 8:39 ` Paolo Bonzini
2012-10-18 8:55 ` Paolo Bonzini
2012-10-18 7:30 ` [Qemu-devel] [PATCH 23/30] migration: print times for end phase Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 24/30] ram: rename last_block to last_seen_block Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 25/30] ram: Add last_sent_block Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 26/30] memory: introduce memory_region_test_and_clear_dirty Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 27/30] ram: Use memory_region_test_and_clear_dirty Juan Quintela
2012-10-18 12:52 ` Eric Blake
2012-10-18 7:30 ` [Qemu-devel] [PATCH 28/30] fix memory.c Juan Quintela
2012-10-18 8:43 ` Paolo Bonzini
2012-10-18 7:30 ` [Qemu-devel] [PATCH 29/30] migration: Only go to the iterate stage if there is anything to send Juan Quintela
2012-10-18 7:30 ` [Qemu-devel] [PATCH 30/30] ram: optimize migration bitmap walking Juan Quintela
2012-10-21 13:01 ` Orit Wasserman
2012-10-26 11:39 ` Juan Quintela
2012-10-28 8:35 ` Orit Wasserman
2012-10-30 10:15 ` Orit Wasserman
2012-10-30 15:33 ` Juan Quintela
2012-10-18 9:00 ` [Qemu-devel] [PATCH 00/30] Migration thread 20121017 edition Paolo Bonzini
2012-10-26 13:04 ` Paolo Bonzini
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