chrome/common/trace_event_args_whitelist.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/common/trace_event_args_whitelist.h"
   6
   7 #include "base/strings/string_tokenizer.h"
   8 #include "base/strings/string_util.h"
   9
  10 namespace {
  11
  12 const char* const kEventArgsWhitelist[][2] = {{"toplevel", "*"},
  13                                               {"__metadata", "thread_name"},
  14                                               {NULL, NULL}};
  15
  16 }  // namespace
  17
  18 bool IsTraceEventArgsWhitelisted(const char* category_group_name,
  19                                  const char* event_name) {
  20   base::CStringTokenizer category_group_tokens(
  21       category_group_name, category_group_name + strlen(category_group_name),
  22       ",");
  23   while (category_group_tokens.GetNext()) {
  24     const std::string& category_group_token = category_group_tokens.token();
  25     for (int i = 0; kEventArgsWhitelist[i][0] != NULL; ++i) {
  26       DCHECK(kEventArgsWhitelist[i][1]);
  27
  28       if (MatchPattern(category_group_token.c_str(),
  29                        kEventArgsWhitelist[i][0]) &&
  30           MatchPattern(event_name, kEventArgsWhitelist[i][1])) {
  31         return true;
  32       }
  33     }
  34   }
  35
  36   return false;
  37 }