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[v0.10] Add --list-gpus option

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This commit is contained in:
Dr-Noob
2021-08-23 22:39:31 +02:00
parent d00e3f183d
commit 4b4d1bc030
5 changed files with 73 additions and 16 deletions
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35
src/common/args.cpp
View File

@@ -19,6 +19,7 @@
struct args_struct {
bool help_flag;
bool version_flag;
bool list_gpus;
int gpu_idx;
STYLE style;
struct color** colors;
@@ -28,17 +29,19 @@ int errn = 0;
static struct args_struct args;
const char args_chr[] = {
/* [ARG_CHAR_COLOR] = */ 'c',
/* [ARG_CHAR_GPU] = */ 'g',
/* [ARG_CHAR_HELP] = */ 'h',
/* [ARG_CHAR_VERSION] = */ 'V',
/* [ARG_COLOR] = */ 'c',
/* [ARG_GPU] = */ 'g',
/* [ARG_LIST] = */ 'l',
/* [ARG_HELP] = */ 'h',
/* [ARG_VERSION] = */ 'V',
};
const char *args_str[] = {
/* [ARG_CHAR_COLOR] = */ "color",
/* [ARG_CHAR_GPU] = */ "gpu",
/* [ARG_CHAR_HELP] = */ "help",
/* [ARG_CHAR_VERSION] = */ "version",
/* [ARG_COLOR] = */ "color",
/* [ARG_GPU] = */ "gpu",
/* [ARG_LIST] = */ "list-gpus",
/* [ARG_HELP] = */ "help",
/* [ARG_VERSION] = */ "version",
};
int getarg_int(char* str) {
@@ -100,6 +103,10 @@ bool show_help() {
return args.help_flag;
}
bool list_gpus() {
return args.list_gpus;
}
bool show_version() {
return args.version_flag;
}
@@ -119,8 +126,9 @@ char* build_short_options() {
char* str = (char *) emalloc(sizeof(char) * (len*2 + 1));
memset(str, 0, sizeof(char) * (len*2 + 1));
sprintf(str, "%c:%c:%c%c", c[ARG_GPU],
c[ARG_COLOR], c[ARG_HELP], c[ARG_VERSION]);
sprintf(str, "%c:%c:%c%c%c", c[ARG_GPU],
c[ARG_COLOR], c[ARG_HELP], c[ARG_LIST],
c[ARG_VERSION]);
return str;
}
@@ -185,12 +193,14 @@ bool parse_args(int argc, char* argv[]) {
args.version_flag = false;
args.help_flag = false;
args.list_gpus = false;
args.gpu_idx = 0;
args.colors = NULL;
const struct option long_options[] = {
{args_str[ARG_COLOR], required_argument, 0, args_chr[ARG_COLOR] },
{args_str[ARG_GPU], required_argument, 0, args_chr[ARG_GPU] },
{args_str[ARG_LIST], no_argument, 0, args_chr[ARG_LIST] },
{args_str[ARG_HELP], no_argument, 0, args_chr[ARG_HELP] },
{args_str[ARG_VERSION], no_argument, 0, args_chr[ARG_VERSION] },
{0, 0, 0, 0}
@@ -199,7 +209,7 @@ bool parse_args(int argc, char* argv[]) {
char* short_options = build_short_options();
opt = getopt_long(argc, argv, short_options, long_options, &option_index);
while (!args.help_flag && !args.version_flag && opt != -1) {
while (!args.help_flag && !args.version_flag && !args.list_gpus && opt != -1) {
if(opt == args_chr[ARG_COLOR]) {
args.colors = (struct color **) emalloc(sizeof(struct color *) * NUM_COLORS);
if(!parse_color(optarg, &args.colors)) {
@@ -215,6 +225,9 @@ bool parse_args(int argc, char* argv[]) {
return false;
}
}
else if(opt == args_chr[ARG_LIST]) {
args.list_gpus = true;
}
else if(opt == args_chr[ARG_HELP]) {
args.help_flag = true;
}

2
src/common/args.hpp
View File

@@ -21,6 +21,7 @@ enum {
enum {
ARG_COLOR,
ARG_GPU,
ARG_LIST,
ARG_HELP,
ARG_VERSION
};
@@ -33,6 +34,7 @@ extern const char *args_str[];
int max_arg_str_length();
bool parse_args(int argc, char* argv[]);
bool show_help();
bool list_gpus();
bool show_version();
void free_colors_struct(struct color** cs);
int get_gpu_idx();

13
src/common/main.cpp
View File

@@ -18,10 +18,11 @@ void print_help(char *argv[]) {
printf("Simple yet fancy GPU architecture fetching tool\n\n");
printf("Options: \n");
printf(" -%c, --%s %*s Sets the color scheme (by default, gpufetch uses the system color scheme) See COLORS section for a more detailed explanation\n", c[ARG_COLOR], t[ARG_COLOR], (int) (max_len-strlen(t[ARG_COLOR])), "");
printf(" -%c, --%s %*s Selects the GPU to use (default: 0)\n", c[ARG_GPU], t[ARG_GPU], (int) (max_len-strlen(t[ARG_GPU])), "");
printf(" -%c, --%s %*s Prints this help and exit\n", c[ARG_HELP], t[ARG_HELP], (int) (max_len-strlen(t[ARG_HELP])), "");
printf(" -%c, --%s %*s Prints gpufetch version and exit\n", c[ARG_VERSION], t[ARG_VERSION], (int) (max_len-strlen(t[ARG_VERSION])), "");
printf(" -%c, --%s %*s Set the color scheme (by default, gpufetch uses the system color scheme) See COLORS section for a more detailed explanation\n", c[ARG_COLOR], t[ARG_COLOR], (int) (max_len-strlen(t[ARG_COLOR])), "");
printf(" -%c, --%s %*s List the available GPUs in the system\n", c[ARG_LIST], t[ARG_LIST], (int) (max_len-strlen(t[ARG_LIST])), "");
printf(" -%c, --%s %*s Select the GPU to use (default: 0)\n", c[ARG_GPU], t[ARG_GPU], (int) (max_len-strlen(t[ARG_GPU])), "");
printf(" -%c, --%s %*s Print this help and exit\n", c[ARG_HELP], t[ARG_HELP], (int) (max_len-strlen(t[ARG_HELP])), "");
printf(" -%c, --%s %*s Print gpufetch version and exit\n", c[ARG_VERSION], t[ARG_VERSION], (int) (max_len-strlen(t[ARG_VERSION])), "");
printf("\nCOLORS: \n");
printf(" Color scheme can be set using a predefined color scheme or a custom one:\n");
@@ -64,6 +65,10 @@ int main(int argc, char* argv[]) {
return EXIT_SUCCESS;
}
if(list_gpus()) {
return print_gpus_list();
}
set_log_level(true);
printWarn("gpufetch is in beta. The provided information may be incomplete or wrong.\n\

36
src/cuda/cuda.cpp
View File

@@ -6,6 +6,42 @@
#include "uarch.hpp"
#include "../common/global.hpp"
int print_gpus_list() {
cudaError_t err = cudaSuccess;
int num_gpus = -1;
if ((err = cudaGetDeviceCount(&num_gpus)) != cudaSuccess) {
printErr("%s: %s", cudaGetErrorName(err), cudaGetErrorString(err));
return EXIT_FAILURE;
}
printf("CUDA GPUs available: %d\n", num_gpus);
if(num_gpus > 0) {
cudaDeviceProp deviceProp;
int max_len = 0;
for(int idx=0; idx < num_gpus; idx++) {
if ((err = cudaGetDeviceProperties(&deviceProp, idx)) != cudaSuccess) {
printErr("%s: %s", cudaGetErrorName(err), cudaGetErrorString(err));
return EXIT_FAILURE;
}
max_len = max(max_len, (int) strlen(deviceProp.name));
}
for(int i=0; i < max_len + 32; i++) putchar('-');
putchar('\n');
for(int idx=0; idx < num_gpus; idx++) {
if ((err = cudaGetDeviceProperties(&deviceProp, idx)) != cudaSuccess) {
printErr("%s: %s", cudaGetErrorName(err), cudaGetErrorString(err));
return EXIT_FAILURE;
}
printf("GPU %d: %s (Compute Capability %d.%d)\n", idx, deviceProp.name, deviceProp.major, deviceProp.minor);
}
}
return EXIT_SUCCESS;
}
struct cache* get_cache_info(cudaDeviceProp prop) {
struct cache* cach = (struct cache*) emalloc(sizeof(struct cache));

1
src/cuda/cuda.hpp
View File

@@ -4,6 +4,7 @@
#include "../common/gpu.hpp"
struct gpu_info* get_gpu_info(int gpu_idx);
int print_gpus_list();
char* get_str_sm(struct gpu_info* gpu);
char* get_str_cores_sm(struct gpu_info* gpu);
char* get_str_cuda_cores(struct gpu_info* gpu);