scripts/replay-dump: update to latest format
To help debugging replay logs I've implemented decode_plain and decode_char_write as well as put in a new table for the current format of log. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20231211091346.14616-5-alex.bennee@linaro.org>
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Alex Bennée
parent
6f6b71536c
commit
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@ -21,6 +21,7 @@
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import argparse
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import struct
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from collections import namedtuple
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from os import path
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# This mirrors some of the global replay state which some of the
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# stream loading refers to. Some decoders may read the next event so
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@ -82,6 +83,12 @@ def read_qword(fin):
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"Read a 64 bit word"
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return struct.unpack('>Q', fin.read(8))[0]
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def read_array(fin):
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"Read a sized array"
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size = read_dword(fin)
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data = fin.read(size)
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return data
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# Generic decoder structure
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Decoder = namedtuple("Decoder", "eid name fn")
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@ -115,6 +122,11 @@ def decode_unimp(eid, name, _unused_dumpfile):
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print("%s not handled - will now stop" % (name))
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return False
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def decode_plain(eid, name, _unused_dumpfile):
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"Plain events without additional data"
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print_event(eid, name, "no data")
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return True
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# Checkpoint decoder
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def swallow_async_qword(eid, name, dumpfile):
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"Swallow a qword of data without looking at it"
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@ -151,6 +163,12 @@ def decode_instruction(eid, name, dumpfile):
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print_event(eid, name, "0x%x" % (ins_diff))
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return True
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def decode_char_write(eid, name, dumpfile):
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res = read_dword(dumpfile)
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offset = read_dword(dumpfile)
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print_event(eid, name, "%d -> %d" % (offset, res))
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return True
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def decode_audio_out(eid, name, dumpfile):
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audio_data = read_dword(dumpfile)
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print_event(eid, name, "%d" % (audio_data))
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@ -189,14 +207,19 @@ def decode_clock(eid, name, dumpfile):
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print_event(eid, name, "0x%x" % (clock_data))
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return True
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def decode_random(eid, name, dumpfile):
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ret = read_dword(dumpfile)
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data = read_array(dumpfile)
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print_event(eid, "%d bytes of random data" % len(data))
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return True
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# pre-MTTCG merge
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v5_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction),
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Decoder(1, "EVENT_INTERRUPT", decode_interrupt),
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Decoder(2, "EVENT_EXCEPTION", decode_unimp),
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Decoder(2, "EVENT_EXCEPTION", decode_plain),
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Decoder(3, "EVENT_ASYNC", decode_async),
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Decoder(4, "EVENT_SHUTDOWN", decode_unimp),
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Decoder(5, "EVENT_CHAR_WRITE", decode_unimp),
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Decoder(5, "EVENT_CHAR_WRITE", decode_char_write),
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Decoder(6, "EVENT_CHAR_READ_ALL", decode_unimp),
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Decoder(7, "EVENT_CHAR_READ_ALL_ERROR", decode_unimp),
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Decoder(8, "EVENT_CLOCK_HOST", decode_clock),
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@ -215,10 +238,10 @@ v5_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction),
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# post-MTTCG merge, AUDIO support added
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v6_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction),
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Decoder(1, "EVENT_INTERRUPT", decode_interrupt),
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Decoder(2, "EVENT_EXCEPTION", decode_unimp),
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Decoder(2, "EVENT_EXCEPTION", decode_plain),
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Decoder(3, "EVENT_ASYNC", decode_async),
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Decoder(4, "EVENT_SHUTDOWN", decode_unimp),
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Decoder(5, "EVENT_CHAR_WRITE", decode_unimp),
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Decoder(5, "EVENT_CHAR_WRITE", decode_char_write),
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Decoder(6, "EVENT_CHAR_READ_ALL", decode_unimp),
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Decoder(7, "EVENT_CHAR_READ_ALL_ERROR", decode_unimp),
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Decoder(8, "EVENT_AUDIO_OUT", decode_audio_out),
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@ -250,7 +273,7 @@ v7_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction),
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Decoder(10, "EVENT_SHUTDOWN_GUEST_RESET", decode_unimp),
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Decoder(11, "EVENT_SHUTDOWN_GUEST_PANIC", decode_unimp),
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Decoder(12, "EVENT_SHUTDOWN___MAX", decode_unimp),
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Decoder(13, "EVENT_CHAR_WRITE", decode_unimp),
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Decoder(13, "EVENT_CHAR_WRITE", decode_char_write),
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Decoder(14, "EVENT_CHAR_READ_ALL", decode_unimp),
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Decoder(15, "EVENT_CHAR_READ_ALL_ERROR", decode_unimp),
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Decoder(16, "EVENT_AUDIO_OUT", decode_audio_out),
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@ -268,6 +291,48 @@ v7_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction),
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Decoder(28, "EVENT_CP_RESET", decode_checkpoint),
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]
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v12_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction),
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Decoder(1, "EVENT_INTERRUPT", decode_interrupt),
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Decoder(2, "EVENT_EXCEPTION", decode_plain),
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Decoder(3, "EVENT_ASYNC", decode_async),
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Decoder(4, "EVENT_ASYNC", decode_async),
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Decoder(5, "EVENT_ASYNC", decode_async),
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Decoder(6, "EVENT_ASYNC", decode_async),
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Decoder(6, "EVENT_ASYNC", decode_async),
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Decoder(8, "EVENT_ASYNC", decode_async),
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Decoder(9, "EVENT_ASYNC", decode_async),
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Decoder(10, "EVENT_ASYNC", decode_async),
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Decoder(11, "EVENT_SHUTDOWN", decode_unimp),
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Decoder(12, "EVENT_SHUTDOWN_HOST_ERR", decode_unimp),
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Decoder(13, "EVENT_SHUTDOWN_HOST_QMP_QUIT", decode_unimp),
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Decoder(14, "EVENT_SHUTDOWN_HOST_QMP_RESET", decode_unimp),
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Decoder(14, "EVENT_SHUTDOWN_HOST_SIGNAL", decode_unimp),
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Decoder(15, "EVENT_SHUTDOWN_HOST_UI", decode_unimp),
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Decoder(16, "EVENT_SHUTDOWN_GUEST_SHUTDOWN", decode_unimp),
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Decoder(17, "EVENT_SHUTDOWN_GUEST_RESET", decode_unimp),
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Decoder(18, "EVENT_SHUTDOWN_GUEST_PANIC", decode_unimp),
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Decoder(19, "EVENT_SHUTDOWN_GUEST_SUBSYSTEM_RESET", decode_unimp),
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Decoder(20, "EVENT_SHUTDOWN_GUEST_SNAPSHOT_LOAD", decode_unimp),
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Decoder(21, "EVENT_SHUTDOWN___MAX", decode_unimp),
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Decoder(22, "EVENT_CHAR_WRITE", decode_char_write),
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Decoder(23, "EVENT_CHAR_READ_ALL", decode_unimp),
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Decoder(24, "EVENT_CHAR_READ_ALL_ERROR", decode_unimp),
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Decoder(25, "EVENT_AUDIO_IN", decode_unimp),
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Decoder(26, "EVENT_AUDIO_OUT", decode_audio_out),
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Decoder(27, "EVENT_RANDOM", decode_random),
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Decoder(28, "EVENT_CLOCK_HOST", decode_clock),
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Decoder(29, "EVENT_CLOCK_VIRTUAL_RT", decode_clock),
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Decoder(30, "EVENT_CP_CLOCK_WARP_START", decode_checkpoint),
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Decoder(31, "EVENT_CP_CLOCK_WARP_ACCOUNT", decode_checkpoint),
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Decoder(32, "EVENT_CP_RESET_REQUESTED", decode_checkpoint),
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Decoder(33, "EVENT_CP_SUSPEND_REQUESTED", decode_checkpoint),
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Decoder(34, "EVENT_CP_CLOCK_VIRTUAL", decode_checkpoint),
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Decoder(35, "EVENT_CP_CLOCK_HOST", decode_checkpoint),
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Decoder(36, "EVENT_CP_CLOCK_VIRTUAL_RT", decode_checkpoint),
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Decoder(37, "EVENT_CP_INIT", decode_checkpoint_init),
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Decoder(38, "EVENT_CP_RESET", decode_checkpoint),
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]
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def parse_arguments():
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"Grab arguments for script"
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parser = argparse.ArgumentParser()
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@ -278,14 +343,18 @@ def parse_arguments():
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def decode_file(filename):
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"Decode a record/replay dump"
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dumpfile = open(filename, "rb")
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dumpsize = path.getsize(filename)
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# read and throwaway the header
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version = read_dword(dumpfile)
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junk = read_qword(dumpfile)
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# see REPLAY_VERSION
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print("HEADER: version 0x%x" % (version))
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if version == 0xe02007:
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if version == 0xe0200c:
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event_decode_table = v12_event_table
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replay_state.checkpoint_start = 30
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elif version == 0xe02007:
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event_decode_table = v7_event_table
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replay_state.checkpoint_start = 12
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elif version == 0xe02006:
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@ -299,8 +368,13 @@ def decode_file(filename):
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decode_ok = True
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while decode_ok:
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event = read_event(dumpfile)
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decode_ok = call_decode(event_decode_table, event, dumpfile)
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decode_ok = call_decode(event_decode_table, event,
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dumpfile)
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except Exception as inst:
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print(f"error {inst}")
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finally:
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print(f"Reached {dumpfile.tell()} of {dumpsize} bytes")
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dumpfile.close()
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if __name__ == "__main__":
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