diff options
| author | Hyman Huang(黄勇) <huangy81@chinatelecom.cn> | 2021-07-20 23:19:16 +0800 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2021-11-01 22:56:44 +0100 |
| commit | 4998a37e4bf2bc47f76775e6e6a0cd50bacfb16a (patch) | |
| tree | 8fbbe5f9fa968b54bf63948034db6d7d46db6064 | |
| parent | 6fee3a1fd9ecde99c43e659cf8eb6c35c116d05e (diff) | |
memory: introduce total_dirty_pages to stat dirty pages
introduce global var total_dirty_pages to stat dirty pages
along with memory_global_dirty_log_sync.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
| -rw-r--r-- | include/exec/ram_addr.h | 9 | ||||
| -rw-r--r-- | migration/dirtyrate.c | 7 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index 45c913264a..64fb936c7c 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -26,6 +26,8 @@ #include "exec/ramlist.h" #include "exec/ramblock.h" +extern uint64_t total_dirty_pages; + /** * clear_bmap_size: calculate clear bitmap size * @@ -373,6 +375,10 @@ static inline void cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap, qatomic_or( &blocks[DIRTY_MEMORY_MIGRATION][idx][offset], temp); + if (unlikely( + global_dirty_tracking & GLOBAL_DIRTY_DIRTY_RATE)) { + total_dirty_pages += ctpopl(temp); + } } if (tcg_enabled()) { @@ -403,6 +409,9 @@ static inline void cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap, for (i = 0; i < len; i++) { if (bitmap[i] != 0) { c = leul_to_cpu(bitmap[i]); + if (unlikely(global_dirty_tracking & GLOBAL_DIRTY_DIRTY_RATE)) { + total_dirty_pages += ctpopl(c); + } do { j = ctzl(c); c &= ~(1ul << j); diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c index f92c4b498e..17b3d2cbb5 100644 --- a/migration/dirtyrate.c +++ b/migration/dirtyrate.c @@ -28,6 +28,13 @@ #include "sysemu/runstate.h" #include "exec/memory.h" +/* + * total_dirty_pages is procted by BQL and is used + * to stat dirty pages during the period of two + * memory_global_dirty_log_sync + */ +uint64_t total_dirty_pages; + typedef struct DirtyPageRecord { uint64_t start_pages; uint64_t end_pages; |