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mdbx: переделка page_alloc_slowpath() с добавлением профилирования GC.

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Леонид Юрьев (Leonid Yuriev)
2022-11-06 16:35:06 +03:00
parent acaa1d82d9
commit f680c99116
7 changed files with 868 additions and 540 deletions
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55
src/osal.c
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@@ -18,6 +18,7 @@
#if defined(_WIN32) || defined(_WIN64)
#include <psapi.h>
#include <winioctl.h>
#if !MDBX_WITHOUT_MSVC_CRT && defined(_DEBUG)
@@ -2700,6 +2701,60 @@ MDBX_INTERNAL_FUNC uint64_t osal_monotime(void) {
return 0;
}
MDBX_INTERNAL_FUNC uint64_t osal_cputime(size_t *optional_page_faults) {
#if defined(_WIN32) || defined(_WIN64)
if (optional_page_faults) {
PROCESS_MEMORY_COUNTERS pmc;
*optional_page_faults =
GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc))
? pmc.PageFaultCount
: 0;
}
FILETIME unused, usermode;
if (GetThreadTimes(GetCurrentThread(),
/* CreationTime */ &unused,
/* ExitTime */ &unused,
/* KernelTime */ &unused,
/* UserTime */ &usermode)) {
/* one second = 10_000_000 * 100ns = 78125 * (1 << 7) * 100ns;
* result = (h * f / 10_000_000) << 32) + l * f / 10_000_000 =
* = ((h * f) >> 7) / 78125) << 32) + ((l * f) >> 7) / 78125;
* 1) {h, l} *= f;
* 2) {h, l} >>= 7;
* 3) result = ((h / 78125) << 32) + l / 78125; */
uint64_t l = usermode.dwLowDateTime * performance_frequency.QuadPart;
uint64_t h = usermode.dwHighDateTime * performance_frequency.QuadPart;
l = h << (64 - 7) | l >> 7;
h = h >> 7;
return ((h / 78125) << 32) + l / 78125;
}
#elif defined(RUSAGE_THREAD) || defined(RUSAGE_LWP)
#ifndef RUSAGE_THREAD
#define RUSAGE_THREAD RUSAGE_LWP /* Solaris */
#endif
struct rusage usage;
if (getrusage(RUSAGE_THREAD, &usage) == 0) {
if (optional_page_faults)
*optional_page_faults = usage.ru_majflt;
return usage.ru_utime.tv_sec * UINT64_C(1000000000) +
usage.ru_utime.tv_usec * 1000u;
}
if (optional_page_faults)
*optional_page_faults = 0;
#elif defined(CLOCK_THREAD_CPUTIME_ID)
if (optional_page_faults)
*optional_page_faults = 0;
struct timespec ts;
if (likely(clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) == 0))
return ts.tv_sec * UINT64_C(1000000000) + ts.tv_nsec;
#else
/* FIXME */
if (optional_page_faults)
*optional_page_faults = 0;
#endif
return 0;
}
/*----------------------------------------------------------------------------*/
static void bootid_shake(bin128_t *p) {