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[Qemu-devel] [PATCH 2/2] migration: Extra tracing
From: |
Dr. David Alan Gilbert (git) |
Subject: |
[Qemu-devel] [PATCH 2/2] migration: Extra tracing |
Date: |
Wed, 26 Apr 2017 19:37:21 +0100 |
From: "Dr. David Alan Gilbert" <address@hidden>
A couple more traces that would have made fixing that postcopy
bug a bit easier.
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
migration/ram.c | 2 ++
migration/trace-events | 2 ++
2 files changed, 4 insertions(+)
diff --git a/migration/ram.c b/migration/ram.c
index b4ed41c725..3ac41ccaba 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -812,6 +812,7 @@ static int ram_save_page(RAMState *rs, PageSearchStatus
*pss, bool last_stage)
ram_addr_t offset = pss->page << TARGET_PAGE_BITS;
p = block->host + offset;
+ trace_ram_save_page(block->idstr, (uint64_t)offset, p);
/* In doubt sent page as normal */
bytes_xmit = 0;
@@ -2614,6 +2615,7 @@ static int ram_load(QEMUFile *f, void *opaque, int
version_id)
ret = -EINVAL;
break;
}
+ trace_ram_load_loop(block->idstr, (uint64_t)addr, flags, host);
}
switch (flags & ~RAM_SAVE_FLAG_CONTINUE) {
diff --git a/migration/trace-events b/migration/trace-events
index b8f01a218c..5b8ccf301c 100644
--- a/migration/trace-events
+++ b/migration/trace-events
@@ -69,8 +69,10 @@ migration_bitmap_sync_start(void) ""
migration_bitmap_sync_end(uint64_t dirty_pages) "dirty_pages %" PRIu64
migration_throttle(void) ""
ram_discard_range(const char *rbname, uint64_t start, size_t len) "%s: start:
%" PRIx64 " %zx"
+ram_load_loop(const char *rbname, uint64_t addr, int flags, void *host) "%s:
addr: %" PRIx64 " flags: %x host: %p"
ram_load_postcopy_loop(uint64_t addr, int flags) "@%" PRIx64 " %x"
ram_postcopy_send_discard_bitmap(void) ""
+ram_save_page(const char *rbname, uint64_t offset, void *host) "%s: offset: %"
PRIx64 " host: %p"
ram_save_queue_pages(const char *rbname, size_t start, size_t len) "%s: start:
%zx len: %zx"
# migration/migration.c
--
2.12.2
- [Qemu-devel] [PATCH 0/2] Postcopy fix and traces, Dr. David Alan Gilbert (git), 2017/04/26
- [Qemu-devel] [PATCH 2/2] migration: Extra tracing,
Dr. David Alan Gilbert (git) <=
- [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Dr. David Alan Gilbert (git), 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Christian Borntraeger, 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Dr. David Alan Gilbert, 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Andrea Arcangeli, 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Peter Xu, 2017/04/26
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Christian Borntraeger, 2017/04/27
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Andrea Arcangeli, 2017/04/27
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Christian Borntraeger, 2017/04/28
- Re: [Qemu-devel] [PATCH 1/2] Postcopy: Force allocation of all-zero precopy pages, Dr. David Alan Gilbert, 2017/04/28