diff options
| -rw-r--r-- | hmp-commands-info.hx | 11 | ||||
| -rw-r--r-- | include/monitor/hmp.h | 1 | ||||
| -rw-r--r-- | qapi/block-core.json | 3 | ||||
| -rw-r--r-- | qapi/replay.json | 39 | ||||
| -rw-r--r-- | replay/meson.build | 1 | ||||
| -rw-r--r-- | replay/replay-debugging.c | 43 |
6 files changed, 97 insertions, 1 deletions
diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index 30209e3..117ba25 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -881,4 +881,15 @@ SRST Show SEV information. ERST + { + .name = "replay", + .args_type = "", + .params = "", + .help = "show record/replay information", + .cmd = hmp_info_replay, + }, +SRST + ``info replay`` + Display the record/replay information: mode and the current icount. +ERST diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index 642e9e9..f297fcc 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -129,5 +129,6 @@ void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict); void hmp_info_vm_generation_id(Monitor *mon, const QDict *qdict); void hmp_info_memory_size_summary(Monitor *mon, const QDict *qdict); void hmp_info_sev(Monitor *mon, const QDict *qdict); +void hmp_info_replay(Monitor *mon, const QDict *qdict); #endif diff --git a/qapi/block-core.json b/qapi/block-core.json index fdc2e5c..3758ea9 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -29,7 +29,8 @@ # # @icount: Current instruction count. Appears when execution record/replay # is enabled. Used for "time-traveling" to match the moment -# in the recorded execution with the snapshots. (since 5.2) +# in the recorded execution with the snapshots. This counter may +# be obtained through @query-replay command (since 5.2) # # Since: 1.3 # diff --git a/qapi/replay.json b/qapi/replay.json index 9e13551..e6b3f60 100644 --- a/qapi/replay.json +++ b/qapi/replay.json @@ -24,3 +24,42 @@ ## { 'enum': 'ReplayMode', 'data': [ 'none', 'record', 'play' ] } + +## +# @ReplayInfo: +# +# Record/replay information. +# +# @mode: current mode. +# +# @filename: name of the record/replay log file. +# It is present only in record or replay modes, when the log +# is recorded or replayed. +# +# @icount: current number of executed instructions. +# +# Since: 5.2 +# +## +{ 'struct': 'ReplayInfo', + 'data': { 'mode': 'ReplayMode', '*filename': 'str', 'icount': 'int' } } + +## +# @query-replay: +# +# Retrieve the record/replay information. +# It includes current instruction count which may be used for +# @replay-break and @replay-seek commands. +# +# Returns: record/replay information. +# +# Since: 5.2 +# +# Example: +# +# -> { "execute": "query-replay" } +# <- { "return": { "mode": "play", "filename": "log.rr", "icount": 220414 } } +# +## +{ 'command': 'query-replay', + 'returns': 'ReplayInfo' } diff --git a/replay/meson.build b/replay/meson.build index 8783aea..f91163f 100644 --- a/replay/meson.build +++ b/replay/meson.build @@ -9,4 +9,5 @@ softmmu_ss.add(files( 'replay-net.c', 'replay-audio.c', 'replay-random.c', + 'replay-debugging.c', )) diff --git a/replay/replay-debugging.c b/replay/replay-debugging.c new file mode 100644 index 0000000..51a6de4 --- /dev/null +++ b/replay/replay-debugging.c @@ -0,0 +1,43 @@ +/* + * replay-debugging.c + * + * Copyright (c) 2010-2020 Institute for System Programming + * of the Russian Academy of Sciences. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "sysemu/replay.h" +#include "replay-internal.h" +#include "monitor/hmp.h" +#include "monitor/monitor.h" +#include "qapi/qapi-commands-replay.h" + +void hmp_info_replay(Monitor *mon, const QDict *qdict) +{ + if (replay_mode == REPLAY_MODE_NONE) { + monitor_printf(mon, "Record/replay is not active\n"); + } else { + monitor_printf(mon, + "%s execution '%s': instruction count = %"PRId64"\n", + replay_mode == REPLAY_MODE_RECORD ? "Recording" : "Replaying", + replay_get_filename(), replay_get_current_icount()); + } +} + +ReplayInfo *qmp_query_replay(Error **errp) +{ + ReplayInfo *retval = g_new0(ReplayInfo, 1); + + retval->mode = replay_mode; + if (replay_get_filename()) { + retval->filename = g_strdup(replay_get_filename()); + retval->has_filename = true; + } + retval->icount = replay_get_current_icount(); + return retval; +} |