From: Juan Quintela <quintela@redhat.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH 17/35] migration: move migration_fd_put_ready()
Date: Tue, 11 Dec 2012 13:46:53 +0100 [thread overview]
Message-ID: <1355230031-28233-18-git-send-email-quintela@redhat.com> (raw)
In-Reply-To: <1355230031-28233-1-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 6b33e83..34ba6ab 100644
--- a/migration.c
+++ b/migration.c
@@ -316,72 +316,6 @@ 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)
@@ -743,6 +677,72 @@ 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 1b7ca4b..e95d37a 100644
--- a/migration.h
+++ b/migration.h
@@ -80,7 +80,6 @@ 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:[~2012-12-11 12:47 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-11 12:46 [Qemu-devel] [PATCH 00/35] Migration thread (20121211) Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 01/35] split MRU ram list Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 02/35] add a version number to ram_list Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 03/35] protect the ramlist with a separate mutex Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 04/35] buffered_file: Move from using a timer to use a thread Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 05/35] migration: make qemu_fopen_ops_buffered() return void Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 06/35] migration: stop all cpus correctly Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 07/35] migration: make writes blocking Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 08/35] migration: remove unfreeze logic Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 09/35] migration: take finer locking Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 10/35] buffered_file: Unfold the trick to restart generating migration data Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 11/35] buffered_file: don't flush on put buffer Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 12/35] buffered_file: unfold buffered_append in buffered_put_buffer Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 13/35] savevm: New save live migration method: pending Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 14/35] migration: include qemu-file.h Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 15/35] migration-fd: remove duplicate include Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 16/35] migration: move buffered_file.c code into migration.c Juan Quintela
2012-12-11 12:46 ` Juan Quintela [this message]
2012-12-11 12:46 ` [Qemu-devel] [PATCH 18/35] migration: Inline qemu_fopen_ops_buffered into migrate_fd_connect Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 19/35] migration: move migration notifier Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 20/35] migration: move begining stage to the migration thread Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 21/35] migration: Add buffered_flush error handling Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 22/35] migration: move exit condition to migration thread Juan Quintela
2012-12-11 12:46 ` [Qemu-devel] [PATCH 23/35] migration: unfold rest of migrate_fd_put_ready() into thread Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 24/35] ram: rename last_block to last_seen_block Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 25/35] ram: Add last_sent_block Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 26/35] memory: introduce memory_region_test_and_clear_dirty Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 27/35] ram: Use memory_region_test_and_clear_dirty Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 28/35] migration: Only go to the iterate stage if there is anything to send Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 29/35] ram: optimize migration bitmap walking Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 30/35] ram: account the amount of transferred ram better Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 31/35] ram: refactor ram_save_block() return value Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 32/35] ram: add free_space parameter to save_live functions Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 33/35] ram: remove xbrle last_stage optimization Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 34/35] ram: reuse ram_save_iterate() for the complete stage Juan Quintela
2012-12-11 12:47 ` [Qemu-devel] [PATCH 35/35] migration: print times for end phase Juan Quintela
2012-12-11 14:22 ` [Qemu-devel] [PATCH 00/35] Migration thread (20121211) Paolo Bonzini
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