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authorHyman Huang(黄勇) <huangy81@chinatelecom.cn>2021-07-20 23:19:16 +0800
committerJuan Quintela <quintela@redhat.com>2021-11-01 22:56:44 +0100
commit4998a37e4bf2bc47f76775e6e6a0cd50bacfb16a (patch)
tree8fbbe5f9fa968b54bf63948034db6d7d46db6064 /include/exec
parent6fee3a1fd9ecde99c43e659cf8eb6c35c116d05e (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>
Diffstat (limited to 'include/exec')
-rw-r--r--include/exec/ram_addr.h9
1 files changed, 9 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);