Method getPerfCounters

src/yvalve/perf.cpp:446–596

} // anonymous namespace

void Why::UtilInterface::getPerfCounters(Firebird::CheckStatusWrapper* status,
	Firebird::IAttachment* att, const char* countersSet, ISC_INT64* counters)
{
	try
	{
		// Parse countersSet
		unsigned cntLink[TOTAL_COUNTERS];
		memset(cntLink, 0xFF, sizeof cntLink);
		Firebird::string dupSet(countersSet);
		char* set = dupSet.begin();
		char* save = NULL;
		const char* delim = " \t,;";
		unsigned typeMask = 0;
		unsigned n = 0;
		UCHAR info[TOTAL_COUNTERS];		// will never use all, but do not care about few bytes
		UCHAR* pinfo = info;

#ifdef WIN_NT
#define strtok_r strtok_s
#endif

		for (char* nm = strtok_r(set, delim, &save); nm; nm = strtok_r(NULL, delim, &save))
		{
			Firebird::NoCaseString name(nm);

			for (unsigned i = 0; i < TOTAL_COUNTERS; ++i)
			{
				if (name == knownCounters[i].name)
				{
					if (cntLink[i] != ~0u)
						(Firebird::Arg::Gds(isc_random) << "Duplicated name").raise();	//report name & position

					cntLink[i] = n++;
					typeMask |= knownCounters[i].type;

					if (knownCounters[i].type == CNT_DB_INFO)
						*pinfo++ = knownCounters[i].code;

					goto found;
				}
			}
			(Firebird::Arg::Gds(isc_random) << "Unknown name").raise();	//report name & position
found:		;
		}

#ifdef WIN_NT
#undef strtok_r
#endif

		// Force reset counters
		memset(counters, 0, n * sizeof(ISC_INT64));

		// Fill time counters
		if (typeMask & CNT_TIMER)
		{
			SINT64 tr = fb_utils::query_performance_counter() * 1000 / fb_utils::query_performance_frequency();
			SINT64 uTime, sTime;
			fb_utils::get_process_times(uTime, sTime);