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70 lines
2.5 KiB
70 lines
2.5 KiB
1 year ago
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From e6ff4536a5e5f5bbfda370ecb525d0e066c3ab1c Mon Sep 17 00:00:00 2001
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From: Juan Quintela <quintela@redhat.com>
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Date: Tue, 11 Apr 2023 18:04:59 +0200
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Subject: [PATCH 15/56] migration: Make postcopy_requests atomic
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Peter Xu <peterx@redhat.com>
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RH-MergeRequest: 162: migration: Pretty failures for postcopy on unsupported memory types
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RH-Bugzilla: 2057267
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RH-Acked-by: Leonardo Brás <leobras@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Acked-by: quintela1 <quintela@redhat.com>
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RH-Commit: [14/50] d15c6052b77e7ded7bf34c66caa11bf86b75f2e8 (peterx/qemu-kvm)
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Signed-off-by: Juan Quintela <quintela@redhat.com>
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Reviewed-by: Peter Xu <peterx@redhat.com>
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(cherry picked from commit 3c764f9b2bc3e5eb5ed93ab45c2de6d599fef00f)
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Signed-off-by: Peter Xu <peterx@redhat.com>
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---
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migration/migration.c | 3 ++-
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migration/ram.c | 2 +-
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migration/ram.h | 2 +-
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3 files changed, 4 insertions(+), 3 deletions(-)
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diff --git a/migration/migration.c b/migration/migration.c
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index 8fca751050..39501a0ed8 100644
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--- a/migration/migration.c
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+++ b/migration/migration.c
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@@ -1152,7 +1152,8 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
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stat64_get(&ram_counters.dirty_sync_count);
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info->ram->dirty_sync_missed_zero_copy =
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stat64_get(&ram_counters.dirty_sync_missed_zero_copy);
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- info->ram->postcopy_requests = ram_counters.postcopy_requests;
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+ info->ram->postcopy_requests =
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+ stat64_get(&ram_counters.postcopy_requests);
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info->ram->page_size = page_size;
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info->ram->multifd_bytes = stat64_get(&ram_counters.multifd_bytes);
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info->ram->pages_per_second = s->pages_per_second;
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diff --git a/migration/ram.c b/migration/ram.c
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index 3c13136559..fe69ecaef4 100644
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--- a/migration/ram.c
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+++ b/migration/ram.c
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@@ -2169,7 +2169,7 @@ int ram_save_queue_pages(const char *rbname, ram_addr_t start, ram_addr_t len)
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RAMBlock *ramblock;
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RAMState *rs = ram_state;
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- ram_counters.postcopy_requests++;
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+ stat64_add(&ram_counters.postcopy_requests, 1);
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RCU_READ_LOCK_GUARD();
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if (!rbname) {
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diff --git a/migration/ram.h b/migration/ram.h
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index 8c0d07c43a..afa68521d7 100644
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--- a/migration/ram.h
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+++ b/migration/ram.h
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@@ -49,7 +49,7 @@ typedef struct {
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Stat64 multifd_bytes;
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Stat64 normal;
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Stat64 postcopy_bytes;
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- int64_t postcopy_requests;
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+ Stat64 postcopy_requests;
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Stat64 precopy_bytes;
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int64_t remaining;
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Stat64 transferred;
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--
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2.39.1
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