[v1.06][FreeBSD][Apple] Implement fallback frequency calculation (#251)

This commit is contained in:
Er2
2024-08-19 10:21:41 +03:00
committed by GitHub
parent 2410fd16d3
commit 8d10a03adc
3 changed files with 26 additions and 1 deletions

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@@ -30,6 +30,10 @@ ifneq ($(OS),Windows_NT)
HEADERS += $(SRC_DIR)freq/freq.h HEADERS += $(SRC_DIR)freq/freq.h
CFLAGS += -pthread CFLAGS += -pthread
endif endif
ifeq ($(os), FreeBSD)
SOURCE += $(SRC_COMMON)sysctl.c
HEADERS += $(SRC_COMMON)sysctl.h
endif
CFLAGS += -DARCH_X86 -std=c99 -fstack-protector-all CFLAGS += -DARCH_X86 -std=c99 -fstack-protector-all
else ifeq ($(arch), $(filter $(arch), ppc64le ppc64 ppcle ppc)) else ifeq ($(arch), $(filter $(arch), ppc64le ppc64 ppcle ppc))
SRC_DIR=src/ppc/ SRC_DIR=src/ppc/

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@@ -40,6 +40,14 @@
#define CPUSUBFAMILY_ARM_HC_HD 5 #define CPUSUBFAMILY_ARM_HC_HD 5
#endif #endif
// For alternative way to get CPU frequency on macOS and *BSD
#ifdef __APPLE__
#define CPUFREQUENCY_SYSCTL "hw.cpufrequency_max"
#else
// For FreeBSD, not sure about other *BSD
#define CPUFREQUENCY_SYSCTL "dev.cpu.0.freq"
#endif
uint32_t get_sys_info_by_name(char* name); uint32_t get_sys_info_by_name(char* name);
#endif #endif

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@@ -5,6 +5,9 @@
#include "../common/udev.h" #include "../common/udev.h"
#include <unistd.h> #include <unistd.h>
#endif #endif
#if defined (__FreeBSD__) || defined (__APPLE__)
#include "../common/sysctl.h"
#endif
#ifdef __linux__ #ifdef __linux__
#include "../common/freq.h" #include "../common/freq.h"
@@ -938,10 +941,20 @@ struct frequency* get_frequency_info(struct cpuInfo* cpu) {
freq->measured = false; freq->measured = false;
if(cpu->maxLevels < 0x00000016) { if(cpu->maxLevels < 0x00000016) {
#if defined (_WIN32) || defined (__APPLE__) #if defined (_WIN32)
printWarn("Can't read frequency information from cpuid (needed level is 0x%.8X, max is 0x%.8X)", 0x00000016, cpu->maxLevels); printWarn("Can't read frequency information from cpuid (needed level is 0x%.8X, max is 0x%.8X)", 0x00000016, cpu->maxLevels);
freq->base = UNKNOWN_DATA; freq->base = UNKNOWN_DATA;
freq->max = UNKNOWN_DATA; freq->max = UNKNOWN_DATA;
#elif defined (__FreeBSD__) || defined (__APPLE__)
printWarn("Can't read frequency information from cpuid (needed level is 0x%.8X, max is 0x%.8X). Using sysctl", 0x00000016, cpu->maxLevels);
uint32_t freq_hz = get_sys_info_by_name(CPUFREQUENCY_SYSCTL);
if (freq_hz == 0) {
printWarn("Read max CPU frequency from sysctl and got 0 MHz");
freq->max = UNKNOWN_DATA;
}
freq->base = UNKNOWN_DATA;
freq->max = freq_hz;
#else #else
printWarn("Can't read frequency information from cpuid (needed level is 0x%.8X, max is 0x%.8X). Using udev", 0x00000016, cpu->maxLevels); printWarn("Can't read frequency information from cpuid (needed level is 0x%.8X, max is 0x%.8X). Using udev", 0x00000016, cpu->maxLevels);
freq->base = UNKNOWN_DATA; freq->base = UNKNOWN_DATA;