Added the log-dirty-bitmap or ldb hmp interface.
Signed-off-by: Sanidhya Kashyap <sanidhya.ii...@gmail.com>
---
hmp-commands.hx | 17 +++++++++++++++++
hmp.c | 19 +++++++++++++++++++
hmp.h | 1 +
3 files changed, 37 insertions(+)
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 8971f1b..032a320 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1774,6 +1774,23 @@ STEXI
show available trace events and their state
ETEXI
+ {
+ .name = "ldb|log-dirty-bitmap",
+ .args_type = "readable:-r,filename:s,epochs:i?,frequency:i?",
+ .params = "[-r] filename epochs frequency",
+ .help = "dumps the memory's dirty bitmap to file\n\t\t\t"
+ "filename: name of the file in which the bitmap will be
saved\n\t\t\t"
+ "epochs: number of times, the memory will be
logged\n\t\t\t"
+ "frequency: time difference in milliseconds between each
epoch\n\t\t\t"
+ "-r: dumps the bitmap in hex format (non-binary)",
+ .mhandler.cmd = hmp_log_dirty_bitmap,
+ },
+STEXI
+@item ldb or log-dirty-bitmap [-r] @var{filename}
+@findex log-dirty-bitmap
+umps the writable working set of the VM's memoryto a file
+ETEXI
+
STEXI
@end table
ETEXI
diff --git a/hmp.c b/hmp.c
index 5c4d612..cc54988 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1309,6 +1309,25 @@ void hmp_device_del(Monitor *mon, const QDict *qdict)
hmp_handle_error(mon, &err);
}
+void hmp_log_dirty_bitmap(Monitor *mon, const QDict *qdict)
+{
+ printf("called\n");
+ int readable = qdict_get_try_bool(qdict, "readable", 0);
+ const char *filename = qdict_get_str(qdict, "filename");
+ int64_t epochs = qdict_get_try_int(qdict, "epochs", 3);
+ int64_t frequency = qdict_get_try_int(qdict, "frequency", 40);
+ Error *err = NULL;
+
+ printf("%s %ld %ld %d\n", filename, epochs, frequency, readable);
+ qmp_log_dirty_bitmap(filename, !!epochs, epochs, !!frequency,
+ frequency, !!readable, readable, &err);
+ if (err) {
+ monitor_printf(mon, "log-dirty-bitmap: %s\n", error_get_pretty(err));
+ error_free(err);
+ return;
+ }
+}
+
void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
diff --git a/hmp.h b/hmp.h
index 20ef454..bf6cc2a 100644
--- a/hmp.h
+++ b/hmp.h
@@ -93,6 +93,7 @@ void hmp_qemu_io(Monitor *mon, const QDict *qdict);
void hmp_cpu_add(Monitor *mon, const QDict *qdict);
void hmp_object_add(Monitor *mon, const QDict *qdict);
void hmp_object_del(Monitor *mon, const QDict *qdict);
+void hmp_log_dirty_bitmap(Monitor *mon, const QDict *qdict);
void object_add_completion(ReadLineState *rs, int nb_args, const char *str);
void object_del_completion(ReadLineState *rs, int nb_args, const char *str);
void device_add_completion(ReadLineState *rs, int nb_args, const char *str);
--
1.8.3.1
