dump/dump-hmp-cmds.c

   1 /*
   2  * Windows crashdump (Human Monitor Interface commands)
   3  *
   4  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   5  * See the COPYING file in the top-level directory.
   6  */
   7
   8 #include "qemu/osdep.h"
   9 #include "monitor/hmp.h"
  10 #include "monitor/monitor.h"
  11 #include "qapi/error.h"
  12 #include "qapi/qapi-commands-dump.h"
  13 #include "qapi/qmp/qdict.h"
  14
  15 void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
  16 {
  17     Error *err = NULL;
  18     bool win_dmp = qdict_get_try_bool(qdict, "windmp", false);
  19     bool paging = qdict_get_try_bool(qdict, "paging", false);
  20     bool zlib = qdict_get_try_bool(qdict, "zlib", false);
  21     bool lzo = qdict_get_try_bool(qdict, "lzo", false);
  22     bool snappy = qdict_get_try_bool(qdict, "snappy", false);
  23     const char *file = qdict_get_str(qdict, "filename");
  24     bool has_begin = qdict_haskey(qdict, "begin");
  25     bool has_length = qdict_haskey(qdict, "length");
  26     bool has_detach = qdict_haskey(qdict, "detach");
  27     int64_t begin = 0;
  28     int64_t length = 0;
  29     bool detach = false;
  30     enum DumpGuestMemoryFormat dump_format = DUMP_GUEST_MEMORY_FORMAT_ELF;
  31     char *prot;
  32
  33     if (zlib + lzo + snappy + win_dmp > 1) {
  34         error_setg(&err, "only one of '-z|-l|-s|-w' can be set");
  35         hmp_handle_error(mon, err);
  36         return;
  37     }
  38
  39     if (win_dmp) {
  40         dump_format = DUMP_GUEST_MEMORY_FORMAT_WIN_DMP;
  41     }
  42
  43     if (zlib) {
  44         dump_format = DUMP_GUEST_MEMORY_FORMAT_KDUMP_ZLIB;
  45     }
  46
  47     if (lzo) {
  48         dump_format = DUMP_GUEST_MEMORY_FORMAT_KDUMP_LZO;
  49     }
  50
  51     if (snappy) {
  52         dump_format = DUMP_GUEST_MEMORY_FORMAT_KDUMP_SNAPPY;
  53     }
  54
  55     if (has_begin) {
  56         begin = qdict_get_int(qdict, "begin");
  57     }
  58     if (has_length) {
  59         length = qdict_get_int(qdict, "length");
  60     }
  61     if (has_detach) {
  62         detach = qdict_get_bool(qdict, "detach");
  63     }
  64
  65     prot = g_strconcat("file:", file, NULL);
  66
  67     qmp_dump_guest_memory(paging, prot, true, detach, has_begin, begin,
  68                           has_length, length, true, dump_format, &err);
  69     hmp_handle_error(mon, err);
  70     g_free(prot);
  71 }
  72
  73 void hmp_info_dump(Monitor *mon, const QDict *qdict)
  74 {
  75     DumpQueryResult *result = qmp_query_dump(NULL);
  76
  77     assert(result && result->status < DUMP_STATUS__MAX);
  78     monitor_printf(mon, "Status: %s\n", DumpStatus_str(result->status));
  79
  80     if (result->status == DUMP_STATUS_ACTIVE) {
  81         float percent = 0;
  82         assert(result->total != 0);
  83         percent = 100.0 * result->completed / result->total;
  84         monitor_printf(mon, "Finished: %.2f %%\n", percent);
  85     }
  86
  87     qapi_free_DumpQueryResult(result);
  88 }