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This patch adds hmp/qmp commands replay_seek/replay-seek that proceed the execution to the specified instruction count. The command automatically loads nearest snapshot and replays the execution to find the desired instruction count. Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru> Acked-by: Markus Armbruster <armbru@redhat.com> -- v4 changes: - fixed HMP command description indent - removed useless error_free call Message-Id: <160174521180.12451.14033112911009278753.stgit@pasha-ThinkPad-X280> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
122 lines
2.7 KiB
Python
122 lines
2.7 KiB
Python
# -*- Mode: Python -*-
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#
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##
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# = Record/replay
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##
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{ 'include': 'common.json' }
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##
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# @ReplayMode:
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#
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# Mode of the replay subsystem.
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#
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# @none: normal execution mode. Replay or record are not enabled.
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#
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# @record: record mode. All non-deterministic data is written into the
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# replay log.
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#
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# @play: replay mode. Non-deterministic data required for system execution
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# is read from the log.
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#
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# Since: 2.5
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##
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{ 'enum': 'ReplayMode',
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'data': [ 'none', 'record', 'play' ] }
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##
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# @ReplayInfo:
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#
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# Record/replay information.
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#
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# @mode: current mode.
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#
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# @filename: name of the record/replay log file.
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# It is present only in record or replay modes, when the log
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# is recorded or replayed.
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#
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# @icount: current number of executed instructions.
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#
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# Since: 5.2
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#
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##
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{ 'struct': 'ReplayInfo',
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'data': { 'mode': 'ReplayMode', '*filename': 'str', 'icount': 'int' } }
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##
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# @query-replay:
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#
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# Retrieve the record/replay information.
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# It includes current instruction count which may be used for
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# @replay-break and @replay-seek commands.
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#
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# Returns: record/replay information.
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#
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# Since: 5.2
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#
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# Example:
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#
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# -> { "execute": "query-replay" }
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# <- { "return": { "mode": "play", "filename": "log.rr", "icount": 220414 } }
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#
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##
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{ 'command': 'query-replay',
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'returns': 'ReplayInfo' }
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##
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# @replay-break:
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#
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# Set replay breakpoint at instruction count @icount.
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# Execution stops when the specified instruction is reached.
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# There can be at most one breakpoint. When breakpoint is set, any prior
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# one is removed. The breakpoint may be set only in replay mode and only
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# "in the future", i.e. at instruction counts greater than the current one.
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# The current instruction count can be observed with @query-replay.
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#
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# @icount: instruction count to stop at
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#
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# Since: 5.2
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#
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# Example:
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#
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# -> { "execute": "replay-break", "data": { "icount": 220414 } }
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#
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##
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{ 'command': 'replay-break', 'data': { 'icount': 'int' } }
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##
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# @replay-delete-break:
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#
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# Remove replay breakpoint which was set with @replay-break.
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# The command is ignored when there are no replay breakpoints.
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#
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# Since: 5.2
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#
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# Example:
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#
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# -> { "execute": "replay-delete-break" }
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#
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##
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{ 'command': 'replay-delete-break' }
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##
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# @replay-seek:
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#
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# Automatically proceed to the instruction count @icount, when
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# replaying the execution. The command automatically loads nearest
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# snapshot and replays the execution to find the desired instruction.
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# When there is no preceding snapshot or the execution is not replayed,
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# then the command fails.
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# icount for the reference may be obtained with @query-replay command.
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#
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# @icount: target instruction count
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#
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# Since: 5.2
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#
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# Example:
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#
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# -> { "execute": "replay-seek", "data": { "icount": 220414 } }
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##
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{ 'command': 'replay-seek', 'data': { 'icount': 'int' } }
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