The v12 format support for replay-dump has a few issues still. This
fixes async decoding; adds event, shutdown, and end decoding; fixes
audio in / out events, fixes checkpoint checking of following async
events.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
scripts/replay-dump.py | 127 ++++++++++++++++++++++++++++++-----------
1 file changed, 93 insertions(+), 34 deletions(-)
diff --git a/scripts/replay-dump.py b/scripts/replay-dump.py
index d668193e79..419ee3257b 100755
--- a/scripts/replay-dump.py
+++ b/scripts/replay-dump.py
@@ -20,6 +20,7 @@
import argparse
import struct
+import os
from collections import namedtuple
from os import path
@@ -134,6 +135,17 @@ def swallow_async_qword(eid, name, dumpfile):
print(" %s(%d) @ %d" % (name, eid, step_id))
return True
+def swallow_bytes(eid, name, dumpfile, nr):
+ """Swallow nr bytes of data without looking at it"""
+ dumpfile.seek(nr, os.SEEK_CUR)
+
+def decode_exception(eid, name, dumpfile):
+ print_event(eid, name)
+ return True
+
+# v12 does away with the additional event byte and encodes it in the main type
+# Between v8 and v9, REPLAY_ASYNC_BH_ONESHOT was added, but we don't decode
+# those versions so leave it out.
async_decode_table = [ Decoder(0, "REPLAY_ASYNC_EVENT_BH", swallow_async_qword),
Decoder(1, "REPLAY_ASYNC_INPUT", decode_unimp),
Decoder(2, "REPLAY_ASYNC_INPUT_SYNC", decode_unimp),
@@ -142,8 +154,8 @@ def swallow_async_qword(eid, name, dumpfile):
Decoder(5, "REPLAY_ASYNC_EVENT_NET", decode_unimp),
]
# See replay_read_events/replay_read_event
-def decode_async(eid, name, dumpfile):
- """Decode an ASYNC event"""
+def decode_async_old(eid, name, dumpfile):
+ """Decode an ASYNC event (pre-v8)"""
print_event(eid, name)
@@ -157,6 +169,35 @@ def decode_async(eid, name, dumpfile):
return call_decode(async_decode_table, async_event_kind, dumpfile)
+def decode_async_bh(eid, name, dumpfile):
+ op_id = read_qword(dumpfile)
+ print_event(eid, name)
+ return True
+
+def decode_async_bh_oneshot(eid, name, dumpfile):
+ op_id = read_qword(dumpfile)
+ print_event(eid, name)
+ return True
+
+def decode_async_char_read(eid, name, dumpfile):
+ char_id = read_byte(dumpfile)
+ size = read_dword(dumpfile)
+ print_event(eid, name, "device:%x chars:%s" % (char_id, dumpfile.read(size)))
+ return True
+
+def decode_async_block(eid, name, dumpfile):
+ op_id = read_qword(dumpfile)
+ print_event(eid, name)
+ return True
+
+def decode_async_net(eid, name, dumpfile):
+ net_id = read_byte(dumpfile)
+ flags = read_dword(dumpfile)
+ size = read_dword(dumpfile)
+ swallow_bytes(eid, name, dumpfile, size)
+ print_event(eid, name, "net:%x flags:%x bytes:%d" % (net_id, flags, size))
+ return True
+
total_insns = 0
def decode_instruction(eid, name, dumpfile):
@@ -166,6 +207,10 @@ def decode_instruction(eid, name, dumpfile):
print_event(eid, name, "+ %d -> %d" % (ins_diff, total_insns))
return True
+def decode_shutdown(eid, name, dumpfile):
+ print_event(eid, name)
+ return True
+
def decode_char_write(eid, name, dumpfile):
res = read_dword(dumpfile)
offset = read_dword(dumpfile)
@@ -177,7 +222,7 @@ def decode_audio_out(eid, name, dumpfile):
print_event(eid, name, "%d" % (audio_data))
return True
-def decode_checkpoint(eid, name, dumpfile):
+def __decode_checkpoint(eid, name, dumpfile, old):
"""Decode a checkpoint.
Checkpoints contain a series of async events with their own specific data.
@@ -189,14 +234,20 @@ def decode_checkpoint(eid, name, dumpfile):
# if the next event is EVENT_ASYNC there are a bunch of
# async events to read, otherwise we are done
- if next_event != 3:
- print_event(eid, name, "no additional data", event_number)
- else:
+ if (old and next_event == 3) or (not old and next_event >= 3 and next_event <= 9):
print_event(eid, name, "more data follows", event_number)
+ else:
+ print_event(eid, name, "no additional data", event_number)
replay_state.reuse_event(next_event)
return True
+def decode_checkpoint_old(eid, name, dumpfile):
+ return __decode_checkpoint(eid, name, dumpfile, False)
+
+def decode_checkpoint(eid, name, dumpfile):
+ return __decode_checkpoint(eid, name, dumpfile, True)
+
def decode_checkpoint_init(eid, name, dumpfile):
print_event(eid, name)
return True
@@ -212,15 +263,23 @@ def decode_clock(eid, name, dumpfile):
def decode_random(eid, name, dumpfile):
ret = read_dword(dumpfile)
- data = read_array(dumpfile)
- print_event(eid, "%d bytes of random data" % len(data))
+ size = read_dword(dumpfile)
+ swallow_bytes(eid, name, dumpfile, size)
+ if (ret):
+ print_event(eid, name, "%d bytes (getrandom failed)" % (size))
+ else:
+ print_event(eid, name, "%d bytes" % (size))
return True
+def decode_end(eid, name, dumpfile):
+ print_event(eid, name)
+ return False
+
# pre-MTTCG merge
v5_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction),
Decoder(1, "EVENT_INTERRUPT", decode_interrupt),
Decoder(2, "EVENT_EXCEPTION", decode_plain),
- Decoder(3, "EVENT_ASYNC", decode_async),
+ Decoder(3, "EVENT_ASYNC", decode_async_old),
Decoder(4, "EVENT_SHUTDOWN", decode_unimp),
Decoder(5, "EVENT_CHAR_WRITE", decode_char_write),
Decoder(6, "EVENT_CHAR_READ_ALL", decode_unimp),
@@ -242,7 +301,7 @@ def decode_random(eid, name, dumpfile):
v6_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction),
Decoder(1, "EVENT_INTERRUPT", decode_interrupt),
Decoder(2, "EVENT_EXCEPTION", decode_plain),
- Decoder(3, "EVENT_ASYNC", decode_async),
+ Decoder(3, "EVENT_ASYNC", decode_async_old),
Decoder(4, "EVENT_SHUTDOWN", decode_unimp),
Decoder(5, "EVENT_CHAR_WRITE", decode_char_write),
Decoder(6, "EVENT_CHAR_READ_ALL", decode_unimp),
@@ -266,7 +325,7 @@ def decode_random(eid, name, dumpfile):
v7_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction),
Decoder(1, "EVENT_INTERRUPT", decode_interrupt),
Decoder(2, "EVENT_EXCEPTION", decode_unimp),
- Decoder(3, "EVENT_ASYNC", decode_async),
+ Decoder(3, "EVENT_ASYNC", decode_async_old),
Decoder(4, "EVENT_SHUTDOWN", decode_unimp),
Decoder(5, "EVENT_SHUTDOWN_HOST_ERR", decode_unimp),
Decoder(6, "EVENT_SHUTDOWN_HOST_QMP", decode_unimp),
@@ -296,32 +355,31 @@ def decode_random(eid, name, dumpfile):
v12_event_table = [Decoder(0, "EVENT_INSTRUCTION", decode_instruction),
Decoder(1, "EVENT_INTERRUPT", decode_interrupt),
- Decoder(2, "EVENT_EXCEPTION", decode_plain),
- Decoder(3, "EVENT_ASYNC", decode_async),
- Decoder(4, "EVENT_ASYNC", decode_async),
- Decoder(5, "EVENT_ASYNC", decode_async),
- Decoder(6, "EVENT_ASYNC", decode_async),
- Decoder(6, "EVENT_ASYNC", decode_async),
- Decoder(8, "EVENT_ASYNC", decode_async),
- Decoder(9, "EVENT_ASYNC", decode_async),
- Decoder(10, "EVENT_ASYNC", decode_async),
- Decoder(11, "EVENT_SHUTDOWN", decode_unimp),
- Decoder(12, "EVENT_SHUTDOWN_HOST_ERR", decode_unimp),
- Decoder(13, "EVENT_SHUTDOWN_HOST_QMP_QUIT", decode_unimp),
- Decoder(14, "EVENT_SHUTDOWN_HOST_QMP_RESET", decode_unimp),
- Decoder(14, "EVENT_SHUTDOWN_HOST_SIGNAL", decode_unimp),
- Decoder(15, "EVENT_SHUTDOWN_HOST_UI", decode_unimp),
- Decoder(16, "EVENT_SHUTDOWN_GUEST_SHUTDOWN", decode_unimp),
- Decoder(17, "EVENT_SHUTDOWN_GUEST_RESET", decode_unimp),
- Decoder(18, "EVENT_SHUTDOWN_GUEST_PANIC", decode_unimp),
- Decoder(19, "EVENT_SHUTDOWN_GUEST_SUBSYSTEM_RESET", decode_unimp),
- Decoder(20, "EVENT_SHUTDOWN_GUEST_SNAPSHOT_LOAD", decode_unimp),
- Decoder(21, "EVENT_SHUTDOWN___MAX", decode_unimp),
+ Decoder(2, "EVENT_EXCEPTION", decode_exception),
+ Decoder(3, "EVENT_ASYNC_BH", decode_async_bh),
+ Decoder(4, "EVENT_ASYNC_BH_ONESHOT", decode_async_bh_oneshot),
+ Decoder(5, "EVENT_ASYNC_INPUT", decode_unimp),
+ Decoder(6, "EVENT_ASYNC_INPUT_SYNC", decode_unimp),
+ Decoder(7, "EVENT_ASYNC_CHAR_READ", decode_async_char_read),
+ Decoder(8, "EVENT_ASYNC_BLOCK", decode_async_block),
+ Decoder(9, "EVENT_ASYNC_NET", decode_async_net),
+ Decoder(10, "EVENT_SHUTDOWN", decode_shutdown),
+ Decoder(11, "EVENT_SHUTDOWN_HOST_ERR", decode_shutdown),
+ Decoder(12, "EVENT_SHUTDOWN_HOST_QMP_QUIT", decode_shutdown),
+ Decoder(13, "EVENT_SHUTDOWN_HOST_QMP_RESET", decode_shutdown),
+ Decoder(14, "EVENT_SHUTDOWN_HOST_SIGNAL", decode_shutdown),
+ Decoder(15, "EVENT_SHUTDOWN_HOST_UI", decode_shutdown),
+ Decoder(16, "EVENT_SHUTDOWN_GUEST_SHUTDOWN", decode_shutdown),
+ Decoder(17, "EVENT_SHUTDOWN_GUEST_RESET", decode_shutdown),
+ Decoder(18, "EVENT_SHUTDOWN_GUEST_PANIC", decode_shutdown),
+ Decoder(19, "EVENT_SHUTDOWN_SUBSYS_RESET", decode_shutdown),
+ Decoder(20, "EVENT_SHUTDOWN_SNAPSHOT_LOAD", decode_shutdown),
+ Decoder(21, "EVENT_SHUTDOWN___MAX", decode_shutdown),
Decoder(22, "EVENT_CHAR_WRITE", decode_char_write),
Decoder(23, "EVENT_CHAR_READ_ALL", decode_unimp),
Decoder(24, "EVENT_CHAR_READ_ALL_ERROR", decode_unimp),
- Decoder(25, "EVENT_AUDIO_IN", decode_unimp),
- Decoder(26, "EVENT_AUDIO_OUT", decode_audio_out),
+ Decoder(25, "EVENT_AUDIO_OUT", decode_audio_out),
+ Decoder(26, "EVENT_AUDIO_IN", decode_unimp),
Decoder(27, "EVENT_RANDOM", decode_random),
Decoder(28, "EVENT_CLOCK_HOST", decode_clock),
Decoder(29, "EVENT_CLOCK_VIRTUAL_RT", decode_clock),
@@ -334,6 +392,7 @@ def decode_random(eid, name, dumpfile):
Decoder(36, "EVENT_CP_CLOCK_VIRTUAL_RT", decode_checkpoint),
Decoder(37, "EVENT_CP_INIT", decode_checkpoint_init),
Decoder(38, "EVENT_CP_RESET", decode_checkpoint),
+ Decoder(39, "EVENT_END", decode_end),
]
def parse_arguments():
--
2.42.0Nicholas Piggin <npiggin@gmail.com> writes: > The v12 format support for replay-dump has a few issues still. This > fixes async decoding; adds event, shutdown, and end decoding; fixes > audio in / out events, fixes checkpoint checking of following async > events. > > Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> -- Alex Bennée Virtualisation Tech Lead @ Linaro
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