qemu

FORK: QEMU emulator
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dump-hmp-cmds.c (2602B)

      1 /*
      2  * 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 }