diff options
| -rw-r--r-- | include/sysemu/replay.h | 14 | ||||
| -rw-r--r-- | replay/replay-internal.c | 29 | ||||
| -rw-r--r-- | replay/replay-time.c | 4 | ||||
| -rw-r--r-- | replay/replay.c | 23 | ||||
| -rw-r--r-- | stubs/replay-tools.c | 2 |
5 files changed, 37 insertions, 35 deletions
diff --git a/include/sysemu/replay.h b/include/sysemu/replay.h index 56c0c17c30..0f3b0f7eac 100644 --- a/include/sysemu/replay.h +++ b/include/sysemu/replay.h @@ -128,18 +128,20 @@ bool replay_has_interrupt(void); int64_t replay_save_clock(ReplayClockKind kind, int64_t clock, int64_t raw_icount); /*! Read the specified clock from the log or return cached data */ -int64_t replay_read_clock(ReplayClockKind kind); +int64_t replay_read_clock(ReplayClockKind kind, int64_t raw_icount); /*! Saves or reads the clock depending on the current replay mode. */ #define REPLAY_CLOCK(clock, value) \ - (replay_mode == REPLAY_MODE_PLAY ? replay_read_clock((clock)) \ + (replay_mode == REPLAY_MODE_PLAY \ + ? replay_read_clock((clock), icount_get_raw()) \ : replay_mode == REPLAY_MODE_RECORD \ - ? replay_save_clock((clock), (value), icount_get_raw()) \ - : (value)) + ? replay_save_clock((clock), (value), icount_get_raw()) \ + : (value)) #define REPLAY_CLOCK_LOCKED(clock, value) \ - (replay_mode == REPLAY_MODE_PLAY ? replay_read_clock((clock)) \ + (replay_mode == REPLAY_MODE_PLAY \ + ? replay_read_clock((clock), icount_get_raw_locked()) \ : replay_mode == REPLAY_MODE_RECORD \ ? replay_save_clock((clock), (value), icount_get_raw_locked()) \ - : (value)) + : (value)) /* Processing data from random generators */ diff --git a/replay/replay-internal.c b/replay/replay-internal.c index 2e8a3e947a..77d0c82327 100644 --- a/replay/replay-internal.c +++ b/replay/replay-internal.c @@ -247,10 +247,31 @@ void replay_advance_current_icount(uint64_t current_icount) /* Time can only go forward */ assert(diff >= 0); - if (diff > 0) { - replay_put_event(EVENT_INSTRUCTION); - replay_put_dword(diff); - replay_state.current_icount += diff; + if (replay_mode == REPLAY_MODE_RECORD) { + if (diff > 0) { + replay_put_event(EVENT_INSTRUCTION); + replay_put_dword(diff); + replay_state.current_icount += diff; + } + } else if (replay_mode == REPLAY_MODE_PLAY) { + if (diff > 0) { + replay_state.instruction_count -= diff; + replay_state.current_icount += diff; + if (replay_state.instruction_count == 0) { + assert(replay_state.data_kind == EVENT_INSTRUCTION); + replay_finish_event(); + /* Wake up iothread. This is required because + timers will not expire until clock counters + will be read from the log. */ + qemu_notify_event(); + } + } + /* Execution reached the break step */ + if (replay_break_icount == replay_state.current_icount) { + /* Cannot make callback directly from the vCPU thread */ + timer_mod_ns(replay_break_timer, + qemu_clock_get_ns(QEMU_CLOCK_REALTIME)); + } } } diff --git a/replay/replay-time.c b/replay/replay-time.c index 43357c9f24..00ebcb7a49 100644 --- a/replay/replay-time.c +++ b/replay/replay-time.c @@ -46,12 +46,12 @@ void replay_read_next_clock(ReplayClockKind kind) } /*! Reads next clock event from the input. */ -int64_t replay_read_clock(ReplayClockKind kind) +int64_t replay_read_clock(ReplayClockKind kind, int64_t raw_icount) { int64_t ret; g_assert(replay_file && replay_mutex_locked()); - replay_account_executed_instructions(); + replay_advance_current_icount(raw_icount); if (replay_next_event_is(EVENT_CLOCK + kind)) { replay_read_next_clock(kind); diff --git a/replay/replay.c b/replay/replay.c index d4c228ab28..c806fec69a 100644 --- a/replay/replay.c +++ b/replay/replay.c @@ -94,28 +94,7 @@ void replay_account_executed_instructions(void) if (replay_mode == REPLAY_MODE_PLAY) { g_assert(replay_mutex_locked()); if (replay_state.instruction_count > 0) { - int count = (int)(replay_get_current_icount() - - replay_state.current_icount); - - /* Time can only go forward */ - assert(count >= 0); - - replay_state.instruction_count -= count; - replay_state.current_icount += count; - if (replay_state.instruction_count == 0) { - assert(replay_state.data_kind == EVENT_INSTRUCTION); - replay_finish_event(); - /* Wake up iothread. This is required because - timers will not expire until clock counters - will be read from the log. */ - qemu_notify_event(); - } - /* Execution reached the break step */ - if (replay_break_icount == replay_state.current_icount) { - /* Cannot make callback directly from the vCPU thread */ - timer_mod_ns(replay_break_timer, - qemu_clock_get_ns(QEMU_CLOCK_REALTIME)); - } + replay_advance_current_icount(replay_get_current_icount()); } } } diff --git a/stubs/replay-tools.c b/stubs/replay-tools.c index c06b360e22..43296b3d4e 100644 --- a/stubs/replay-tools.c +++ b/stubs/replay-tools.c @@ -13,7 +13,7 @@ int64_t replay_save_clock(unsigned int kind, int64_t clock, int64_t raw_icount) return 0; } -int64_t replay_read_clock(unsigned int kind) +int64_t replay_read_clock(unsigned int kind, int64_t raw_icount) { abort(); return 0; |