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[Qemu-devel] [PATCH v5 02/10] migration: Add counts of updating the dirt
From: |
arei.gonglei |
Subject: |
[Qemu-devel] [PATCH v5 02/10] migration: Add counts of updating the dirty bitmap |
Date: |
Fri, 4 Apr 2014 17:57:54 +0800 |
From: ChenLiang <address@hidden>
Add counts to log the times of updating the dirty bitmap.
Signed-off-by: ChenLiang <address@hidden>
Signed-off-by: Gonglei <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
arch_init.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch_init.c b/arch_init.c
index 2ac68c2..200af0e 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -110,6 +110,8 @@ static bool mig_throttle_on;
static int dirty_rate_high_cnt;
static void check_guest_throttling(void);
+static uint64_t bitmap_sync_count;
+
/***********************************************************/
/* ram save/restore */
@@ -487,6 +489,8 @@ static void migration_bitmap_sync(void)
int64_t end_time;
int64_t bytes_xfer_now;
+ bitmap_sync_count++;
+
if (!bytes_xfer_prev) {
bytes_xfer_prev = ram_bytes_transferred();
}
@@ -734,6 +738,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
migration_dirty_pages = ram_pages;
mig_throttle_on = false;
dirty_rate_high_cnt = 0;
+ bitmap_sync_count = 0;
if (migrate_use_xbzrle()) {
qemu_mutex_lock_iothread();
--
1.7.12.4
- [Qemu-devel] [PATCH v5 10/10] migration: clear the dead code, (continued)
- [Qemu-devel] [PATCH v5 10/10] migration: clear the dead code, arei.gonglei, 2014/04/04
- [Qemu-devel] [PATCH v5 09/10] migration: optimize xbzrle by reducing data copy, arei.gonglei, 2014/04/04
- [Qemu-devel] [PATCH v5 03/10] migration: expose the bitmap_sync_count to the end, arei.gonglei, 2014/04/04
- [Qemu-devel] [PATCH v5 05/10] XBZRLE: optimize XBZRLE to decrease the cache misses, arei.gonglei, 2014/04/04
- [Qemu-devel] [PATCH v5 01/10] XBZRLE: Fix one XBZRLE corruption issues, arei.gonglei, 2014/04/04
- [Qemu-devel] [PATCH v5 04/10] migration: expose xbzrle cache miss rate, arei.gonglei, 2014/04/04
- [Qemu-devel] [PATCH v5 06/10] XBZRLE: rebuild the cache_is_cached function, arei.gonglei, 2014/04/04
- [Qemu-devel] [PATCH v5 07/10] xbzrle: don't check the value in the vm ram repeatedly, arei.gonglei, 2014/04/04
- [Qemu-devel] [PATCH v5 02/10] migration: Add counts of updating the dirty bitmap,
arei.gonglei <=
- [Qemu-devel] [PATCH v5 08/10] xbzrle: check 8 bytes at a time after an concurrency scene, arei.gonglei, 2014/04/04
- Re: [Qemu-devel] [PATCH v5 00/10] migration: Optimizate the xbzrle and fix one corruption issue, Dr. David Alan Gilbert, 2014/04/04
- [Qemu-devel] For 2.0? Re: [PATCH v5 00/10] migration: Optimizate the xbzrle and fix one corruption issue, Eric Blake, 2014/04/04