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nudge (#8214)

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This commit is contained in:
Jack May
2020-02-11 10:50:57 -08:00
committed by GitHub
parent 25d1f841ee
commit bf623219d2
1 changed files with 30 additions and 9 deletions
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39
sdk/bpf/scripts/bpf-trace.py
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@@ -83,36 +83,57 @@ if __name__ == '__main__':
exits = [] # instruction counts at each call exit
call_nums = [] # used to match up exits to calls
frame = 1
max_frame = 0
num_calls = 0
line = file_object.readline()
while line:
# print line
key, match = parse_line(rxs_call, line)
if key == 'call':
ixs_count = int(match.group(1))
calling_pc = int(match.group(2))
line = file_object.readline()
key, match = parse_line(rxs_called, line)
if key == 'pc':
called_pc = int(match.group(1))
while key != 'pc':
line = file_object.readline()
key, match = parse_line(rxs_called, line)
called_pc = int(match.group(1))
if calling_pc + 1 == called_pc:
calls.append((ixs_count, frame, 'Solana system call'))
exits.append(ixs_count)
num_calls += 1
else:
calls.append((ixs_count, frame, symbols[called_pc]))
call_nums.append(num_calls)
exits.append(0)
num_calls += 1
frame += 1
max_frame = max(frame, max_frame)
else:
if key == 'entry':
pc = int(match.group(1))
calls.append((0, 0, symbols[pc]))
call_nums.append(num_calls)
exits.append(0)
num_calls += 1
pc = int(match.group(1))
calls.append((0, 0, symbols[pc]))
call_nums.append(num_calls)
exits.append(0)
num_calls += 1
elif key == 'exit':
ixs_count = int(match.group(1))
num = call_nums.pop()
exits[num] = ixs_count
frame -= 1
line = file_object.readline()
if len(calls) == 0:
sys.exit("Error: No valid trace in : " + tracepath)
# print the call trace with instruction counts for each call
print "Max frame depth: ", max_frame - 1
print "Call trace:"
print "Ins num (Ins count): Symbol called"
for call, exit in zip(calls, exits):
print("%7d: %s %s" % (exit - call[0], ' | ' * call[1], call[2]))
if exit == 0:
count = " No return"
else:
count = "%9d" % (exit - call[0])
print("%9d (%s): %s %s" % (call[0], count, ' | ' * call[1], call[2]))
if frame != 0:
print "Error: Program did not exit gracefully"