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authorJuan Quintela <quintela@redhat.com>2012-09-04 13:08:57 +0200
committerJuan Quintela <quintela@redhat.com>2012-10-17 18:34:58 +0200
commit3c12193d998249bcbe5099edf85039bcd25c3a80 (patch)
treec304ffd533682ff20de6b5f7944e7dd178252c5d
parentdd2df737ef3930f6d88116520d6ca7ff3cf0c41f (diff)
ram: create trace event for migration sync bitmap
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--arch_init.c6
-rw-r--r--trace-events4
2 files changed, 10 insertions, 0 deletions
diff --git a/arch_init.c b/arch_init.c
index 3a5fecccc7..cec3ead8de 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -45,6 +45,7 @@
#include "hw/pcspk.h"
#include "qemu/page_cache.h"
#include "qmp-commands.h"
+#include "trace.h"
#ifdef DEBUG_ARCH_INIT
#define DPRINTF(fmt, ...) \
@@ -358,7 +359,12 @@ static inline void migration_bitmap_set_dirty(MemoryRegion *mr, int length)
static void migration_bitmap_sync(void)
{
+ uint64_t num_dirty_pages_init = ram_list.dirty_pages;
+
+ trace_migration_bitmap_sync_start();
memory_global_sync_dirty_bitmap(get_system_memory());
+ trace_migration_bitmap_sync_end(ram_list.dirty_pages
+ - num_dirty_pages_init);
}
diff --git a/trace-events b/trace-events
index 42b66f19f4..e2d4580d4c 100644
--- a/trace-events
+++ b/trace-events
@@ -921,6 +921,10 @@ ppm_save(const char *filename, void *display_surface) "%s surface=%p"
savevm_section_start(void) ""
savevm_section_end(unsigned int section_id) "section_id %u"
+# arch_init.c
+migration_bitmap_sync_start(void) ""
+migration_bitmap_sync_end(uint64_t dirty_pages) "dirty_pages %" PRIu64""
+
# hw/qxl.c
disable qxl_interface_set_mm_time(int qid, uint32_t mm_time) "%d %d"
disable qxl_io_write_vga(int qid, const char *mode, uint32_t addr, uint32_t val) "%d %s addr=%u val=%u"