93 lines
3.1 KiB
Diff
93 lines
3.1 KiB
Diff
From e9ff20d7f7e6c2354f3696e8bca265e535eeb801 Mon Sep 17 00:00:00 2001
|
|
From: Juan Quintela <quintela@redhat.com>
|
|
Date: Tue, 11 Apr 2023 17:33:56 +0200
|
|
Subject: [PATCH 11/56] migration: Make dirty_sync_missed_zero_copy atomic
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
RH-Author: Peter Xu <peterx@redhat.com>
|
|
RH-MergeRequest: 162: migration: Pretty failures for postcopy on unsupported memory types
|
|
RH-Bugzilla: 2057267
|
|
RH-Acked-by: Leonardo Brás <leobras@redhat.com>
|
|
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
RH-Acked-by: quintela1 <quintela@redhat.com>
|
|
RH-Commit: [10/50] 041230abb087db0e7ffae02b4f85772490b805a0 (peterx/qemu-kvm)
|
|
|
|
Signed-off-by: Juan Quintela <quintela@redhat.com>
|
|
Reviewed-by: Peter Xu <peterx@redhat.com>
|
|
(cherry picked from commit 4291823694fd8507831d26e2558d9cd0030841f7)
|
|
Signed-off-by: Peter Xu <peterx@redhat.com>
|
|
---
|
|
migration/migration.c | 2 +-
|
|
migration/multifd.c | 2 +-
|
|
migration/ram.c | 5 -----
|
|
migration/ram.h | 4 +---
|
|
4 files changed, 3 insertions(+), 10 deletions(-)
|
|
|
|
diff --git a/migration/migration.c b/migration/migration.c
|
|
index ca68808b5c..645fb4b3c5 100644
|
|
--- a/migration/migration.c
|
|
+++ b/migration/migration.c
|
|
@@ -1150,7 +1150,7 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
|
|
info->ram->mbps = s->mbps;
|
|
info->ram->dirty_sync_count = ram_counters.dirty_sync_count;
|
|
info->ram->dirty_sync_missed_zero_copy =
|
|
- ram_counters.dirty_sync_missed_zero_copy;
|
|
+ stat64_get(&ram_counters.dirty_sync_missed_zero_copy);
|
|
info->ram->postcopy_requests = ram_counters.postcopy_requests;
|
|
info->ram->page_size = page_size;
|
|
info->ram->multifd_bytes = stat64_get(&ram_counters.multifd_bytes);
|
|
diff --git a/migration/multifd.c b/migration/multifd.c
|
|
index 1c992abf53..903df2117b 100644
|
|
--- a/migration/multifd.c
|
|
+++ b/migration/multifd.c
|
|
@@ -576,7 +576,7 @@ static int multifd_zero_copy_flush(QIOChannel *c)
|
|
return -1;
|
|
}
|
|
if (ret == 1) {
|
|
- dirty_sync_missed_zero_copy();
|
|
+ stat64_add(&ram_counters.dirty_sync_missed_zero_copy, 1);
|
|
}
|
|
|
|
return ret;
|
|
diff --git a/migration/ram.c b/migration/ram.c
|
|
index 71320ed27a..93e0a48af4 100644
|
|
--- a/migration/ram.c
|
|
+++ b/migration/ram.c
|
|
@@ -472,11 +472,6 @@ void ram_transferred_add(uint64_t bytes)
|
|
stat64_add(&ram_counters.transferred, bytes);
|
|
}
|
|
|
|
-void dirty_sync_missed_zero_copy(void)
|
|
-{
|
|
- ram_counters.dirty_sync_missed_zero_copy++;
|
|
-}
|
|
-
|
|
struct MigrationOps {
|
|
int (*ram_save_target_page)(RAMState *rs, PageSearchStatus *pss);
|
|
};
|
|
diff --git a/migration/ram.h b/migration/ram.h
|
|
index ed70391317..2170c55e67 100644
|
|
--- a/migration/ram.h
|
|
+++ b/migration/ram.h
|
|
@@ -43,7 +43,7 @@
|
|
typedef struct {
|
|
int64_t dirty_pages_rate;
|
|
int64_t dirty_sync_count;
|
|
- uint64_t dirty_sync_missed_zero_copy;
|
|
+ Stat64 dirty_sync_missed_zero_copy;
|
|
uint64_t downtime_bytes;
|
|
Stat64 duplicate;
|
|
Stat64 multifd_bytes;
|
|
@@ -114,6 +114,4 @@ void ram_write_tracking_prepare(void);
|
|
int ram_write_tracking_start(void);
|
|
void ram_write_tracking_stop(void);
|
|
|
|
-void dirty_sync_missed_zero_copy(void);
|
|
-
|
|
#endif
|
|
--
|
|
2.39.1
|
|
|