def main(output, *filenames):
# Load the event data.
if len(filenames) > 1:
raise Exception('We don\'t support loading from more than one file.')
events = parse_events.load_events(filenames[0])
# Write the scalar data file.
print(banner, file=output)
print(file_header, file=output)
# Write the extra keys table.
string_table = StringTable()
extra_table = write_extra_table(events, output, string_table)
print("", file=output)
# Write a table with the common event data.
write_common_event_table(events, output, string_table, extra_table)
print("", file=output)
# Write the data for individual events.
write_event_table(events, output, string_table)
print("", file=output)
# Write the string table.
string_table_name = "gEventsStringTable"
string_table.writeDefinition(output, string_table_name)
static_assert(output, "sizeof(%s) <= UINT32_MAX" % string_table_name,
"index overflow")
print("", file=output)
print(file_footer, file=output)
def main(output, *filenames):
# Load the event data.
if len(filenames) > 1:
raise Exception('We don\'t support loading from more than one file.')
try:
events = parse_events.load_events(filenames[0])
except ParserError as ex:
print("\nError processing events:\n" + str(ex) + "\n")
sys.exit(1)
# Write the scalar data file.
print(banner, file=output)
print(file_header, file=output)
# Write the extra keys table.
string_table = StringTable()
extra_table = write_extra_table(events, output, string_table)
print("", file=output)
# Write a table with the common event data.
write_common_event_table(events, output, string_table, extra_table)
print("", file=output)
# Write the data for individual events.
write_event_table(events, output, string_table)
print("", file=output)
# Write the string table.
string_table_name = "gEventsStringTable"
string_table.writeDefinition(output, string_table_name)
static_assert(output, "sizeof(%s) <= UINT32_MAX" % string_table_name,
"index overflow")
print("", file=output)
print(file_footer, file=output)
def write_histogram_table(output, histograms):
table = StringTable()
print("const HistogramInfo gHistograms[] = {", file=output)
for histogram in histograms:
name_index = table.stringIndex(histogram.name())
exp_index = table.stringIndex(histogram.expiration())
print_array_entry(output, histogram, name_index, exp_index)
print("};", file=output)
strtab_name = "gHistogramStringTable"
table.writeDefinition(output, strtab_name)
static_assert(output, "sizeof(%s) <= UINT32_MAX" % strtab_name,
"index overflow")
def write_histogram_table(output, histograms):
string_table = StringTable()
label_table = []
label_count = 0
print("const HistogramInfo gHistograms[] = {", file=output)
for histogram in histograms:
name_index = string_table.stringIndex(histogram.name())
exp_index = string_table.stringIndex(histogram.expiration())
labels = histogram.labels()
label_index = 0
if len(labels) > 0:
label_index = label_count
label_table.append(
(histogram.name(), string_table.stringIndexes(labels)))
label_count += len(labels)
print_array_entry(output, histogram, name_index, exp_index,
label_index, len(labels))
print("};\n", file=output)
strtab_name = "gHistogramStringTable"
string_table.writeDefinition(output, strtab_name)
static_assert(output, "sizeof(%s) <= UINT32_MAX" % strtab_name,
"index overflow")
print("\nconst uint32_t gHistogramLabelTable[] = {", file=output)
for name, indexes in label_table:
print("/* %s */ %s," % (name, ", ".join(map(str, indexes))),
file=output)
print("};", file=output)
def write_scalar_tables(scalars, output):
"""Writes the scalar and strings tables to an header file.
:param scalars: a list of ScalarType instances describing the scalars.
:param output: the output stream.
"""
string_table = StringTable()
print("const ScalarInfo gScalars[] = {", file=output)
for s in scalars:
# We add both the scalar label and the expiration string to the strings
# table.
name_index = string_table.stringIndex(s.label)
exp_index = string_table.stringIndex(s.expires)
# Write the scalar info entry.
write_scalar_info(s, output, name_index, exp_index)
print("};", file=output)
string_table_name = "gScalarsStringTable"
string_table.writeDefinition(output, string_table_name)
static_assert(output, "sizeof(%s) <= UINT32_MAX" % string_table_name, "index overflow")
def write_histogram_table(output, histograms):
string_table = StringTable()
label_table = []
label_count = 0
print("const HistogramInfo gHistograms[] = {", file=output)
for histogram in histograms:
name_index = string_table.stringIndex(histogram.name())
exp_index = string_table.stringIndex(histogram.expiration())
labels = histogram.labels()
label_index = 0
if len(labels) > 0:
label_index = label_count
label_table.append((histogram.name(), string_table.stringIndexes(labels)))
label_count += len(labels)
print_array_entry(output, histogram,
name_index, exp_index,
label_index, len(labels))
print("};\n", file=output)
strtab_name = "gHistogramStringTable"
string_table.writeDefinition(output, strtab_name)
static_assert(output, "sizeof(%s) <= UINT32_MAX" % strtab_name,
"index overflow")
print("\nconst uint32_t gHistogramLabelTable[] = {", file=output)
for name,indexes in label_table:
print("/* %s */ %s," % (name, ", ".join(map(str, indexes))), file=output)
print("};", file=output)
def write_histogram_table(output, histograms):
table = StringTable()
print("const HistogramInfo gHistograms[] = {", file=output)
for histogram in histograms:
name_index = table.stringIndex(histogram.name())
exp_index = table.stringIndex(histogram.expiration())
print_array_entry(output, histogram, name_index, exp_index)
print("};", file=output)
strtab_name = "gHistogramStringTable"
table.writeDefinition(output, strtab_name)
static_assert(output, "sizeof(%s) <= UINT32_MAX" % strtab_name,
"index overflow")
def write_scalar_tables(scalars, output):
"""Writes the scalar and strings tables to an header file.
:param scalars: a list of ScalarType instances describing the scalars.
:param output: the output stream.
"""
string_table = StringTable()
print("const ScalarInfo gScalars[] = {", file=output)
for s in scalars:
# We add both the scalar label and the expiration string to the strings
# table.
name_index = string_table.stringIndex(s.label)
exp_index = string_table.stringIndex(s.expires)
# Write the scalar info entry.
write_scalar_info(s, output, name_index, exp_index)
print("};", file=output)
string_table_name = "gScalarsStringTable"
string_table.writeDefinition(output, string_table_name)
static_assert(output, "sizeof(%s) <= UINT32_MAX" % string_table_name,
"index overflow")