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Merge remote-tracking branch 'quintela/migration-next-20120808' into staging

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* quintela/migration-next-20120808:
  Restart optimization on stage3 update version
  Add XBZRLE statistics
  Add migration accounting for normal and duplicate pages
  Change total_time to total-time in MigrationStats
  Add migrate_set_cache_size command
  Add XBZRLE to ram_save_block and ram_save_live
  Add xbzrle_encode_buffer and xbzrle_decode_buffer functions
  Add uleb encoding/decoding functions
  Add cache handling functions
  Add XBZRLE documentation
  Add migrate-set-capabilities
  Add migration capabilities
This commit is contained in:
Anthony Liguori 2012-08-13 16:02:11 -05:00
commit ac839ccd8c
16 changed files with 1451 additions and 13 deletions
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21
qemu-common.h
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@ -1,3 +1,4 @@
/* Common header file that is included by all of qemu. */
#ifndef QEMU_COMMON_H
#define QEMU_COMMON_H
@ -429,6 +430,26 @@ static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
/* Round number up to multiple */
#define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m))
static inline bool is_power_of_2(uint64_t value)
{
if (!value) {
return 0;
}
return !(value & (value - 1));
}
/* round down to the nearest power of 2*/
int64_t pow2floor(int64_t value);
#include "module.h"
/*
* Implementation of ULEB128 (http://en.wikipedia.org/wiki/LEB128)
* Input is limited to 14-bit numbers
*/
int uleb128_encode_small(uint8_t *out, uint32_t n);
int uleb128_decode_small(const uint8_t *in, uint32_t *n);
#endif