120 // Normalize cmdline in place. Stores new beginning of string in *cmdline_ptr.
124   char* cmdline = *cmdline_ptr;  in NormalizeCmdLine()  local
125   char* first_arg = static_cast<char*>(memchr(cmdline, '\0', size));  in NormalizeCmdLine()
132   char* first_at = static_cast<char*>(memchr(cmdline, '@', size));  in NormalizeCmdLine()
138       memrchr(cmdline, '/', static_cast<size_t>(first_arg - cmdline)));  in NormalizeCmdLine()
140     start = cmdline;  in NormalizeCmdLine()
155     std::string cmdline = cmdlines[i];  // mutable copy  in NormalizeCmdlines()  local
157     cmdline.resize(cmdline.size() + 1, '\0');  in NormalizeCmdlines()
158     char* cmdline_cstr = &(cmdline[0]);  in NormalizeCmdlines()
159     ssize_t size = NormalizeCmdLine(&cmdline_cstr, cmdline.size());  in NormalizeCmdlines()
161       PERFETTO_PLOG("Failed to normalize cmdline %s. Stopping the parse.",  in NormalizeCmdlines()
174   std::string filename = "/proc/" + std::to_string(pid) + "/cmdline";  in GetCmdlineForPID()
180   char cmdline[512];  in GetCmdlineForPID()  local
181   const size_t max_read_size = sizeof(cmdline) - 1;  in GetCmdlineForPID()
182   ssize_t rd = read(*fd, cmdline, max_read_size);  in GetCmdlineForPID()
189     PERFETTO_DLOG("Empty cmdline for %" PRIdMAX ". Skipping.",  in GetCmdlineForPID()
194   // In some buggy kernels (before http://bit.ly/37R7qwL) /proc/pid/cmdline is  in GetCmdlineForPID()
198   if (rd_u >= max_read_size && memchr(cmdline, '\0', rd_u) == nullptr) {  in GetCmdlineForPID()
200     PERFETTO_DLOG("Overflow reading cmdline for %" PRIdMAX,  in GetCmdlineForPID()
206   cmdline[rd] = '\0';  in GetCmdlineForPID()
207   char* cmdline_start = cmdline;  in GetCmdlineForPID()
221     snprintf(filename_buf, sizeof(filename_buf), "/proc/%d/%s", pid, "cmdline");  in FindAllProfilablePids()
237     for (const std::string& cmdline : cmdlines) {  in FindPidsForCmdlines()  local
238       if (process_cmdline == cmdline)  in FindPidsForCmdlines()
250     std::string cmdline;  in FindPidsForCmdlinePatterns()  local
251     if (!glob_aware::ReadProcCmdlineForPID(pid, &cmdline))  in FindPidsForCmdlinePatterns()
254         glob_aware::FindBinaryName(cmdline.c_str(), cmdline.size());  in FindPidsForCmdlinePatterns()
257       if (glob_aware::MatchGlobPattern(pattern.c_str(), cmdline.c_str(),  in FindPidsForCmdlinePatterns()