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-rw-r--r--hmp-commands.hx13
1 files changed, 10 insertions, 3 deletions
diff --git a/hmp-commands.hx b/hmp-commands.hx
index d79cb977a9..8971f1b153 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1000,10 +1000,13 @@ ETEXI
{
.name = "dump-guest-memory",
- .args_type = "paging:-p,filename:F,begin:i?,length:i?",
- .params = "[-p] filename [begin length]",
+ .args_type = "paging:-p,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:i?,length:i?",
+ .params = "[-p] [-z|-l|-s] filename [begin length]",
.help = "dump guest memory into file 'filename'.\n\t\t\t"
"-p: do paging to get guest's memory mapping.\n\t\t\t"
+ "-z: dump in kdump-compressed format, with zlib compression.\n\t\t\t"
+ "-l: dump in kdump-compressed format, with lzo compression.\n\t\t\t"
+ "-s: dump in kdump-compressed format, with snappy compression.\n\t\t\t"
"begin: the starting physical address.\n\t\t\t"
"length: the memory size, in bytes.",
.mhandler.cmd = hmp_dump_guest_memory,
@@ -1012,10 +1015,14 @@ ETEXI
STEXI
@item dump-guest-memory [-p] @var{filename} @var{begin} @var{length}
+@item dump-guest-memory [-z|-l|-s] @var{filename}
@findex dump-guest-memory
Dump guest memory to @var{protocol}. The file can be processed with crash or
-gdb.
+gdb. Without -z|-l|-s, the dump format is ELF.
-p: do paging to get guest's memory mapping.
+ -z: dump in kdump-compressed format, with zlib compression.
+ -l: dump in kdump-compressed format, with lzo compression.
+ -s: dump in kdump-compressed format, with snappy compression.
filename: dump file name.
begin: the starting physical address. It's optional, and should be
specified together with length.