519       DLOG(WARNING) << "meminfo: tokens: " << tokens.size()  in ParseProcMeminfo()
620     DLOG(WARNING) << "Failed to open " << meminfo_file.value();  in GetSystemMemoryInfo()
625     DLOG(WARNING) << "Failed to parse " << meminfo_file.value();  in GetSystemMemoryInfo()
651     DLOG(WARNING) << "Failed to open " << vmstat_file.value();  in GetVmStatInfo()
655     DLOG(WARNING) << "Failed to parse " << vmstat_file.value();  in GetVmStatInfo()
730     DLOG(WARNING) << "Failed to open " << diskinfo_file.value();  in GetSystemDiskInfo()
737     DLOG(WARNING) << "No lines found";  in GetSystemDiskInfo()
837     DLOG(WARNING) << "zram mm_stat: tokens: " << tokens.size()  in ParseZramMmStat()
865     DLOG(WARNING) << "zram stat: tokens: " << tokens.size()  in ParseZramStat()
930     DLOG(WARNING) << "Failed to open " << zram_mm_stat_file.value();  in GetSwapInfoImpl()
934     DLOG(WARNING) << "Failed to parse " << zram_mm_stat_file.value();  in GetSwapInfoImpl()
943     DLOG(WARNING) << "Failed to open " << zram_stat_file.value();  in GetSwapInfoImpl()
947     DLOG(WARNING) << "Failed to parse " << zram_stat_file.value();  in GetSwapInfoImpl()