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[Qemu-devel] [PATCH v4 05/11] dump-guest-memory: introduce dump_process(
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH v4 05/11] dump-guest-memory: introduce dump_process() helper function. |
Date: |
Tue, 1 Dec 2015 21:28:44 +0800 |
No functional change. Cleanup only.
Signed-off-by: Peter Xu <address@hidden>
---
dump.c | 35 ++++++++++++++++++++++-------------
include/sysemu/dump.h | 3 +++
2 files changed, 25 insertions(+), 13 deletions(-)
diff --git a/dump.c b/dump.c
index 3cf75db..e46749d 100644
--- a/dump.c
+++ b/dump.c
@@ -1441,6 +1441,9 @@ static void dump_init(DumpState *s, int fd, bool
has_format,
Error *err = NULL;
int ret;
+ s->has_format = has_format;
+ s->format = format;
+
/* kdump-compressed is conflict with paging and filter */
if (has_format && format != DUMP_GUEST_MEMORY_FORMAT_ELF) {
assert(!paging && !has_filter);
@@ -1594,6 +1597,24 @@ cleanup:
dump_cleanup(s);
}
+/* this operation might be time consuming. */
+static void dump_process(DumpState *s, Error **errp)
+{
+ if (s->has_format && s->format != DUMP_GUEST_MEMORY_FORMAT_ELF) {
+ create_kdump_vmcore(s, errp);
+ } else {
+ create_vmcore(s, errp);
+ }
+
+ if (*errp) {
+ s->status = DUMP_STATUS_FAILED;
+ } else {
+ s->status = DUMP_STATUS_COMPLETED;
+ }
+
+ dump_cleanup(s);
+}
+
void qmp_dump_guest_memory(bool paging, const char *file,
bool has_detach, bool detach,
bool has_begin, int64_t begin, bool has_length,
@@ -1679,19 +1700,7 @@ void qmp_dump_guest_memory(bool paging, const char *file,
return;
}
- if (has_format && format != DUMP_GUEST_MEMORY_FORMAT_ELF) {
- create_kdump_vmcore(s, errp);
- } else {
- create_vmcore(s, errp);
- }
-
- if (*errp) {
- s->status = DUMP_STATUS_FAILED;
- } else {
- s->status = DUMP_STATUS_COMPLETED;
- }
-
- dump_cleanup(s);
+ dump_process(s, errp);
}
DumpGuestMemoryCapability *qmp_query_dump_guest_memory_capability(Error **errp)
diff --git a/include/sysemu/dump.h b/include/sysemu/dump.h
index affef38..d6f4a9c 100644
--- a/include/sysemu/dump.h
+++ b/include/sysemu/dump.h
@@ -185,6 +185,9 @@ typedef struct DumpState {
size_t num_dumpable; /* number of page that can be dumped */
uint32_t flag_compress; /* indicate the compression format */
DumpStatus status; /* current dump status */
+
+ bool has_format; /* whether format is provided */
+ DumpGuestMemoryFormat format; /* valid only if has_format == true */
} DumpState;
uint16_t cpu_to_dump16(DumpState *s, uint16_t val);
--
2.4.3
- [Qemu-devel] [PATCH v4 00/11] Add basic "detach" support for dump-guest-memory, Peter Xu, 2015/12/01
- [Qemu-devel] [PATCH v4 01/11] dump-guest-memory: cleanup: removing dump_{error|cleanup}()., Peter Xu, 2015/12/01
- [Qemu-devel] [PATCH v4 02/11] dump-guest-memory: add "detach" flag for QMP/HMP interfaces., Peter Xu, 2015/12/01
- [Qemu-devel] [PATCH v4 03/11] dump-guest-memory: using static DumpState, add DumpStatus, Peter Xu, 2015/12/01
- [Qemu-devel] [PATCH v4 04/11] dump-guest-memory: add dump_in_progress() helper function, Peter Xu, 2015/12/01
- [Qemu-devel] [PATCH v4 05/11] dump-guest-memory: introduce dump_process() helper function.,
Peter Xu <=
- [Qemu-devel] [PATCH v4 06/11] dump-guest-memory: disable dump when in INMIGRATE state, Peter Xu, 2015/12/01
- [Qemu-devel] [PATCH v4 07/11] dump-guest-memory: add "detach" support, Peter Xu, 2015/12/01
- [Qemu-devel] [PATCH v4 08/11] dump-guest-memory: add qmp event DUMP_COMPLETED, Peter Xu, 2015/12/01