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Tools/Platform/Android/android-ndk-r27d/simpleperf/report_sample.py

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+#!/usr/bin/env python3
+#
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+"""report_sample.py: report samples in the same format as `perf script`.
+"""
+
+import sys
+from simpleperf_report_lib import GetReportLib
+from simpleperf_utils import BaseArgumentParser, flatten_arg_list, ReportLibOptions
+from typing import List, Set, Optional
+
+
+def report_sample(
+        record_file: str,
+        symfs_dir: str,
+        kallsyms_file: str,
+        show_tracing_data: bool,
+        header: bool,
+        report_lib_options: ReportLibOptions):
+    """ read record_file, and print each sample"""
+    lib = GetReportLib(record_file)
+
+    lib.ShowIpForUnknownSymbol()
+    if symfs_dir is not None:
+        lib.SetSymfs(symfs_dir)
+    if kallsyms_file is not None:
+        lib.SetKallsymsFile(kallsyms_file)
+    lib.SetReportOptions(report_lib_options)
+
+    if header:
+        print("# ========")
+        print("# cmdline : %s" % lib.GetRecordCmd())
+        print("# arch : %s" % lib.GetArch())
+        for k, v in lib.MetaInfo().items():
+            print('# %s : %s' % (k, v.replace('\n', ' ')))
+        print("# ========")
+        print("#")
+
+    while True:
+        sample = lib.GetNextSample()
+        if sample is None:
+            lib.Close()
+            break
+        event = lib.GetEventOfCurrentSample()
+        symbol = lib.GetSymbolOfCurrentSample()
+        callchain = lib.GetCallChainOfCurrentSample()
+
+        sec = sample.time // 1000000000
+        usec = (sample.time - sec * 1000000000) // 1000
+        print('%s\t%d/%d [%03d] %d.%06d: %d %s:' % (sample.thread_comm,
+                                                    sample.pid, sample.tid, sample.cpu, sec,
+                                                    usec, sample.period, event.name))
+        print('\t%16x %s (%s)' % (sample.ip, symbol.symbol_name, symbol.dso_name))
+        for i in range(callchain.nr):
+            entry = callchain.entries[i]
+            print('\t%16x %s (%s)' % (entry.ip, entry.symbol.symbol_name, entry.symbol.dso_name))
+        if show_tracing_data:
+            data = lib.GetTracingDataOfCurrentSample()
+            if data:
+                print('\ttracing data:')
+                for key, value in data.items():
+                    print('\t\t%s : %s' % (key, value))
+        print('')
+
+
+def main():
+    parser = BaseArgumentParser(description='Report samples in perf.data.')
+    parser.add_argument('--symfs',
+                        help='Set the path to find binaries with symbols and debug info.')
+    parser.add_argument('--kallsyms', help='Set the path to find kernel symbols.')
+    parser.add_argument('-i', '--record_file', nargs='?', default='perf.data',
+                        help='Default is perf.data.')
+    parser.add_argument('--show_tracing_data', action='store_true', help='print tracing data.')
+    parser.add_argument('--header', action='store_true',
+                        help='Show metadata header, like perf script --header')
+    parser.add_argument('-o', '--output_file', default='', help="""
+        The path of the generated report.  Default is stdout.""")
+    parser.add_report_lib_options()
+    args = parser.parse_args()
+    # If the output file has been set, redirect stdout.
+    if args.output_file != '' and args.output_file != '-':
+        sys.stdout = open(file=args.output_file, mode='w')
+    report_sample(
+        record_file=args.record_file,
+        symfs_dir=args.symfs,
+        kallsyms_file=args.kallsyms,
+        show_tracing_data=args.show_tracing_data,
+        header=args.header,
+        report_lib_options=args.report_lib_options)
+
+
+if __name__ == '__main__':
+    main()