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i7z.c
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//i7z.c
/* ----------------------------------------------------------------------- *
*
* Copyright 2009 Abhishek Jaiantilal
*
* Under GPL v2
*
* ----------------------------------------------------------------------- */
#include <memory.h>
#include <errno.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <getopt.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/time.h>
#include <time.h>
#include <ncurses.h>
#include "getopt.h"
#include "i7z.h"
//#include "CPUHierarchy.h"
struct program_options prog_options;
char* CPU_FREQUENCY_LOGGING_FILE_single="cpu_freq_log.txt";
char* CPU_FREQUENCY_LOGGING_FILE_dual="cpu_freq_log_dual_%d.txt";
char* CSTATE_LOGGING_FILE_single="cpu_cstate_log.txt";
char* CSTATE_LOGGING_FILE_dual="cpu_cstate_log_dual_%d.txt";
int Single_Socket();
int Dual_Socket();
int socket_0_num=0, socket_1_num=1;
bool use_ncurses = true;
/////////////////////LOGGING TO FILE////////////////////////////////////////
FILE *fp_log_file_freq;
FILE *fp_log_file_freq_1, *fp_log_file_freq_2;
FILE *fp_log_file_Cstates;
FILE *fp_log_file_Cstates_1, *fp_log_file_Cstates_2;
void logOpenFile_single()
{
if(prog_options.logging==1) {
fp_log_file_freq = fopen(CPU_FREQUENCY_LOGGING_FILE_single,"w");
fp_log_file_Cstates = fopen(CSTATE_LOGGING_FILE_single,"w");
} else if(prog_options.logging==2) {
fp_log_file_freq = fopen(CPU_FREQUENCY_LOGGING_FILE_single,"a");
fp_log_file_Cstates = fopen(CSTATE_LOGGING_FILE_single,"a");
}
}
void logCloseFile_single()
{
if(prog_options.logging!=0){
if(prog_options.logging==2)
fprintf(fp_log_file_freq,"\n");
//the above line puts a \n after every freq is logged.
fclose(fp_log_file_freq);
fprintf(fp_log_file_Cstates,"\n");
//the above line puts a \n after every CSTATE is logged.
fclose(fp_log_file_Cstates);
}
}
// For dual socket make filename based on the socket number
void logOpenFile_dual(int socket_num)
{
char str_file1[100];
snprintf(str_file1,100,CPU_FREQUENCY_LOGGING_FILE_dual,socket_num);
char str_file2[100];
snprintf(str_file2,100,CSTATE_LOGGING_FILE_dual,socket_num);
if(socket_num==0){
if(prog_options.logging==1)
fp_log_file_freq_1 = fopen(str_file1,"w");
else if(prog_options.logging==2)
fp_log_file_freq_1 = fopen(str_file1,"a");
}
if(socket_num==1){
if(prog_options.logging==1)
fp_log_file_freq_2 = fopen(str_file1,"w");
else if(prog_options.logging==2)
fp_log_file_freq_2 = fopen(str_file1,"a");
}
if(socket_num==0){
if(prog_options.logging==1)
fp_log_file_Cstates_1 = fopen(str_file2,"w");
else if(prog_options.logging==2)
fp_log_file_Cstates_1 = fopen(str_file2,"a");
}
if(socket_num==1){
if(prog_options.logging==1)
fp_log_file_Cstates_2 = fopen(str_file2,"w");
else if(prog_options.logging==2)
fp_log_file_Cstates_2 = fopen(str_file2,"a");
}
}
void logCloseFile_dual(int socket_num)
{
if(socket_num==0){
if(prog_options.logging!=0){
if(prog_options.logging==2)
fprintf(fp_log_file_freq_1,"\n");
//the above line puts a \n after every freq is logged.
fclose(fp_log_file_freq_1);
}
}
if(socket_num==1){
if(prog_options.logging!=0){
if(prog_options.logging==2)
fprintf(fp_log_file_freq_2,"\n");
//the above line puts a \n after every freq is logged.
fclose(fp_log_file_freq_2);
}
}
if(socket_num==0){
if(prog_options.logging!=0){
if(prog_options.logging==2)
fprintf(fp_log_file_Cstates_1,"\n");
//the above line puts a \n after every freq is logged.
fclose(fp_log_file_Cstates_1);
}
}
if(socket_num==1){
if(prog_options.logging!=0){
if(prog_options.logging==2)
fprintf(fp_log_file_Cstates_2,"\n");
//the above line puts a \n after every freq is logged.
fclose(fp_log_file_Cstates_2);
}
}
}
void logCpuFreq_single(float value)
{
//below when just logging
if(prog_options.logging==1) {
fprintf(fp_log_file_freq,"%f\n",value); //newline, replace \n with \t to get everything separated with tabs
}
//below when appending
if(prog_options.logging==2) {
fprintf(fp_log_file_freq,"%f\t",value);
}
}
void logCpuFreq_single_c(char* value)
{
//below when just logging
if(prog_options.logging==1) {
fprintf(fp_log_file_freq,"%s\n",value); //newline, replace \n with \t to get everything separated with tabs
}
//below when appending
if(prog_options.logging==2) {
fprintf(fp_log_file_freq,"%s\t",value);
}
}
void logCpuFreq_single_d(int value)
{
//below when just logging
if(prog_options.logging==1) {
fprintf(fp_log_file_freq,"%d\n",value); //newline, replace \n with \t to get everything separated with tabs
}
//below when appending
if(prog_options.logging==2) {
fprintf(fp_log_file_freq,"%d\t",value);
}
}
// fix for issue 48, suggested by Hakan
void logCpuFreq_single_ts(struct timespec *value) //HW use timespec to avoid floating point overflow
{
//below when just logging
if(prog_options.logging==1) {
fprintf(fp_log_file_freq,"%d.%.9d\n",(int)value->tv_sec,(int)value->tv_nsec); //newline, replace \n with \t to get everything separated with tabs
}
//below when appending
if(prog_options.logging==2) {
fprintf(fp_log_file_freq,"%d.%.9d\t",(int)value->tv_sec,(int)value->tv_nsec);
}
}
void logCpuFreq_dual(float value,int socket_num)
{
if(socket_num==0){
//below when just logging
if(prog_options.logging==1)
fprintf(fp_log_file_freq_1,"%f\n",value); //newline, replace \n with \t to get everything separated with tabs
//below when appending
if(prog_options.logging==2)
fprintf(fp_log_file_freq_1,"%f\t",value);
}
if(socket_num==1){
//below when just logging
if(prog_options.logging==1)
fprintf(fp_log_file_freq_2,"%f\n",value); //newline, replace \n with \t to get everything separated with tabs
//below when appending
if(prog_options.logging==2)
fprintf(fp_log_file_freq_2,"%f\t",value);
}
}
void logCpuFreq_dual_c(char* value,int socket_num)
{
if(socket_num==0){
//below when just logging
if(prog_options.logging==1)
fprintf(fp_log_file_freq_1,"%s\n",value); //newline, replace \n with \t to get everything separated with tabs
//below when appending
if(prog_options.logging==2)
fprintf(fp_log_file_freq_1,"%s\t",value);
}
if(socket_num==1){
//below when just logging
if(prog_options.logging==1)
fprintf(fp_log_file_freq_2,"%s\n",value); //newline, replace \n with \t to get everything separated with tabs
//below when appending
if(prog_options.logging==2)
fprintf(fp_log_file_freq_2,"%s\t",value);
}
}
void logCpuFreq_dual_d(int value,int socket_num)
{
if(socket_num==0){
//below when just logging
if(prog_options.logging==1)
fprintf(fp_log_file_freq_1,"%d\n",value); //newline, replace \n with \t to get everything separated with tabs
//below when appending
if(prog_options.logging==2)
fprintf(fp_log_file_freq_1,"%d\t",value);
}
if(socket_num==1){
//below when just logging
if(prog_options.logging==1)
fprintf(fp_log_file_freq_2,"%d\n",value); //newline, replace \n with \t to get everything separated with tabs
//below when appending
if(prog_options.logging==2)
fprintf(fp_log_file_freq_2,"%d\t",value);
}
}
void logCpuFreq_dual_ts(struct timespec *value, int socket_num) //HW use timespec to avoid floating point overflow
{
if(socket_num==0){
//below when just logging
if(prog_options.logging==1)
fprintf(fp_log_file_freq_1,"%d.%.9d\n",(int)value->tv_sec,(int)value->tv_nsec); //newline, replace \n with \t to get everything separated with tabs
//below when appending
if(prog_options.logging==2)
fprintf(fp_log_file_freq_1,"%d.%.9d\t",(int)value->tv_sec,(int)value->tv_nsec);
}
if(socket_num==1){
//below when just logging
if(prog_options.logging==1)
fprintf(fp_log_file_freq_2,"%d.%.9d\n",(int)value->tv_sec,(int)value->tv_nsec); //newline, replace \n with \t to get everything separated with tabs
//below when appending
if(prog_options.logging==2)
fprintf(fp_log_file_freq_2,"%d.%.9d\t",(int)value->tv_sec,(int)value->tv_nsec);
}
}
void logCpuCstates_single(float value)
{
//below when just logging
if(prog_options.logging != 0) {
fprintf(fp_log_file_Cstates,"%f",value); //newline, replace \n with \t to get everything separated with tabs
}
}
void logCpuCstates_single_c(char* value)
{
//below when just logging
if(prog_options.logging != 0) {
fprintf(fp_log_file_Cstates,"%s",value); //newline, replace \n with \t to get everything separated with tabs
}
}
void logCpuCstates_single_d(int value)
{
//below when just logging
if(prog_options.logging != 0) {
fprintf(fp_log_file_Cstates,"%d",value); //newline, replace \n with \t to get everything separated with tabs
}
}
// fix for issue 48, suggested by Hakan
void logCpuCstates_single_ts(struct timespec *value) //HW use timespec to avoid floating point overflow
{
//below when just logging
if(prog_options.logging != 0) {
fprintf(fp_log_file_Cstates,"%d.%.9d",(int)value->tv_sec,(int)value->tv_nsec); //newline, replace \n with \t to get everything separated with tabs
}
}
void logCpuCstates_dual(float value,int socket_num)
{
if(socket_num==0){
//below when just logging
if(prog_options.logging != 0)
fprintf(fp_log_file_Cstates_1,"%f",value); //newline, replace \n with \t to get everything separated with tabs
}
if(socket_num==1){
//below when just logging
if(prog_options.logging != 0)
fprintf(fp_log_file_Cstates_2,"%f",value); //newline, replace \n with \t to get everything separated with tabs
}
}
void logCpuCstates_dual_c(char* value,int socket_num)
{
if(socket_num==0){
//below when just logging
if(prog_options.logging != 0)
fprintf(fp_log_file_Cstates_1,"%s",value); //newline, replace \n with \t to get everything separated with tabs
}
if(socket_num==1){
//below when just logging
if(prog_options.logging != 0)
fprintf(fp_log_file_Cstates_2,"%s",value); //newline, replace \n with \t to get everything separated with tabs
}
}
void logCpuCstates_dual_d(int value,int socket_num)
{
if(socket_num==0){
//below when just logging
if(prog_options.logging != 0)
fprintf(fp_log_file_Cstates_1,"%d",value); //newline, replace \n with \t to get everything separated with tabs
}
if(socket_num==1){
//below when just logging
if(prog_options.logging != 0)
fprintf(fp_log_file_Cstates_2,"%d",value); //newline, replace \n with \t to get everything separated with tabs
}
}
void logCpuCstates_dual_ts(struct timespec *value, int socket_num) //HW use timespec to avoid floating point overflow
{
if(socket_num==0){
//below when just logging
if(prog_options.logging != 0)
fprintf(fp_log_file_Cstates_1,"%d.%.9d",(int)value->tv_sec,(int)value->tv_nsec); //newline, replace \n with \t to get everything separated with tabs
}
if(socket_num==1){
//below when just logging
if(prog_options.logging != 0)
fprintf(fp_log_file_Cstates_2,"%d.%.9d",(int)value->tv_sec,(int)value->tv_nsec); //newline, replace \n with \t to get everything separated with tabs
}
}
void atexit_runsttysane()
{
printf("Quitting i7z\n");
(void)(system("stty sane")+1);
}
int modprobing_msr()
{
return system("modprobe msr");
}
void init_ncurses()
{
initscr();
cbreak();
noecho();
nodelay(stdscr, TRUE);
start_color(); /* initialize colors */
use_default_colors ();
init_pair (1, COLOR_GREEN, -1);
init_pair (2, COLOR_YELLOW, -1);
init_pair (3, COLOR_RED, -1);
init_pair (4, COLOR_WHITE, -1);
}
//Info: I start from index 1 when i talk about cores on CPU
#define MAX_FILENAME_LENGTH 1000
int main (int argc, char **argv)
{
atexit(atexit_runsttysane);
char log_file_name[MAX_FILENAME_LENGTH], log_file_name2[MAX_FILENAME_LENGTH+3];
prog_options.logging=0; //0=no logging, 1=logging, 2=appending
struct cpu_hierarchy_info chi;
struct cpu_socket_info socket_0={.max_cpu=0, .socket_num=0, .processor_num={-1,-1,-1,-1,-1,-1,-1,-1}};
struct cpu_socket_info socket_1={.max_cpu=0, .socket_num=1, .processor_num={-1,-1,-1,-1,-1,-1,-1,-1}};
//////////////////// GET ARGUMENTS //////////////////////
int c;
//char *cvalue = NULL;
//static bool logging_val_append=false, logging_val_replace=false;
bool presupplied_socket_info = false;
bool only_display_version=false;
static struct option long_options[]=
{
{"write", required_argument, 0, 'w'},
{"version", no_argument, 0, 'v'},
{"socket0", required_argument, 0, 'z'},
{"socket1", required_argument, 0, 'y'},
{"logfile", required_argument, 0, 'l'},
{"help", no_argument, 0, 'h'},
{"nogui", no_argument, 0, 'n'},
{0, 0, 0, 0}
};
prog_options.logging = 0;
while(1)
{
int option_index = 0;
c = getopt_long(argc, argv,"w:vz:y:l:hn", long_options, &option_index);
if (c==-1)
break;
switch(c)
{
case 'z':
socket_0_num = atoi(optarg);
presupplied_socket_info = true;
printf("Socket_0 information will be about socket %d\n", socket_0.socket_num);
break;
case 'y':
socket_1_num = atoi(optarg);
presupplied_socket_info = true;
printf("Socket_1 information will be about socket %d\n", socket_1.socket_num);
break;
case 'w':
//printf("write options specified %s\n", optarg);
if (strcmp("l",optarg)==0)
{
prog_options.logging = 1;
printf("Logging is ON and set to replace\n");
}
if (strcmp("a",optarg)==0)
{
prog_options.logging = 2;
printf("Logging is ON and set to append\n");
}
break;
case 'v':
only_display_version=true;
break;
case 'l':
strncpy(log_file_name, optarg, MAX_FILENAME_LENGTH-3);
strcpy(log_file_name2, log_file_name);
strcat(log_file_name2, "_%d");
CPU_FREQUENCY_LOGGING_FILE_single = log_file_name;
CPU_FREQUENCY_LOGGING_FILE_dual = log_file_name2;
printf("Logging frequencies to %s for single sockets, %s for dual sockets(0,1 for multiple sockets)\n", CPU_FREQUENCY_LOGGING_FILE_single, CPU_FREQUENCY_LOGGING_FILE_dual);
break;
case 'n':
use_ncurses = false;
printf("Not Spawning the GUI\n");
break;
case 'h':
printf("\ni7z Tool Supports the following functions:\n");
printf("Display version information only and exit: ");
printf("%c[%d;%d;%dm./i7z --version ", 0x1B,1,31,40);
printf("%c[%dm[OR] ",0x1B,0);
printf("%c[%d;%d;%dm./i7z -v \n", 0x1B,1,31,40);
printf("%c[%dm",0x1B,0);
printf("Append to a log file: ");
printf("%c[%d;%d;%dm./i7z --write a ", 0x1B,1,31,40);
printf("%c[%dm[OR] ",0x1B,0);
printf("%c[%d;%d;%dm./i7z -w a\n", 0x1B,1,31,40);
printf("%c[%dm",0x1B,0);
printf("Replacement instead of Append: ");
printf("%c[%d;%d;%dm./i7z --write l ", 0x1B,1,31,40);
printf("%c[%dm[OR]", 0x1B,0);
printf(" %c[%d;%d;%dm./i7z -w l\n", 0x1B,1,31,40);
printf("%c[%dm",0x1B,0);
printf("Default log file name is %s (single socket) or %s (dual socket)\n", CPU_FREQUENCY_LOGGING_FILE_single, CPU_FREQUENCY_LOGGING_FILE_dual);
printf("Specifying a different log file: ");
printf("%c[%d;%d;%dm./i7z --logfile filename ", 0x1B,1,31,40);
printf("%c[%dm[OR] ", 0x1B,0);
printf("%c[%d;%d;%dm./i7z -l filename\n", 0x1B,1,31,40);
printf("%c[%dm",0x1B,0);
printf("Specifying a particular socket to print: %c[%d;%d;%dm./i7z --socket0 X \n", 0x1B,1,31,40);
printf("%c[%dm",0x1B,0);
printf("In order to print to a second socket use: %c[%d;%d;%dm./i7z --socket1 X \n", 0x1B,1,31,40);
printf("%c[%dm",0x1B,0);
printf("To turn the ncurses GUI off use: %c[%d;%d;%dm./i7z --nogui\n", 0x1B, 1, 31, 40);
printf("%c[%dm",0x1B,0);
printf("Example: To print for two sockets and also change the log file %c[%d;%d;%dm./i7z --socket0 0 --socket1 1 -logfile /tmp/logfilei7z -w l\n", 0x1B, 1, 31, 40);
printf("%c[%dm",0x1B,0);
exit(0);
break;
}
}
Print_Version_Information();
Print_Information_Processor (&prog_options.i7_version.nehalem, &prog_options.i7_version.sandy_bridge, &prog_options.i7_version.ivy_bridge, &prog_options.i7_version.haswell);
if (only_display_version)
exit(0);
// printf("nehalem %d, sandy bridge %d\n", prog_options.i7_version.nehalem, prog_options.i7_version.sandy_bridge);
Test_Or_Make_MSR_DEVICE_FILES ();
modprobing_msr();
/*
prog_options.logging = 0;
if (logging_val_replace){
prog_options.logging = 1;
printf("Logging is ON and set to replace\n");
}
if (logging_val_append){
prog_options.logging = 2;
printf("Logging is ON and set to append\n");
}
*/
/*
while( (c=getopt(argc,argv,"w:")) !=-1){
cvalue = optarg;
//printf("argument %c\n",c);
if(cvalue == NULL){
printf("With -w option, requires an argument for append or logging\n");
exit(1);
}else{
//printf(" %s\n",cvalue);
if(strcmp(cvalue,"a")==0){
printf("Appending frequencies to %s (single_socket) or cpu_freq_log_dual_(%d/%d).txt (dual socket)\n", CPU_FREQUENCY_LOGGING_FILE_single,0,1);
prog_options.logging=2;
}else if(strcmp(cvalue,"l")==0){
printf("Logging frequencies to %s (single socket) or cpu_freq_log_dual_(%d/%d).txt (dual socket) \n", CPU_FREQUENCY_LOGGING_FILE_single,0,1);
prog_options.logging=1;
}else{
printf("Unknown Option, ignoring -w option.\n");
prog_options.logging=0;
}
sleep(3);
}
}
*/
///////////////////////////////////////////////////////////
construct_CPU_Hierarchy_info(&chi);
construct_sibling_list(&chi);
print_CPU_Hierarchy(chi);
construct_socket_information(&chi, &socket_0, &socket_1, socket_0_num, socket_1_num);
print_socket_information(&socket_0);
print_socket_information(&socket_1);
if (!use_ncurses){
printf("GUI has been Turned OFF\n");
//print_options(prog_options);
} else {
printf("GUI has been Turned ON\n");
init_ncurses();
//print_options(prog_options);
/*
if (prog_options.logging ==0)
{
printf("Logging is OFF\n");
} else {
printf("Logging is ON\n");
if (prog_options.cstatelogging) {
printf("Cstate logging is enabled\n");
}
if (prog_options.templogging) {
printf("temp logging is enabled\n");
}
}
*/
}
if (!presupplied_socket_info){
if (socket_0.max_cpu>0 && socket_1.max_cpu>0) {
//Path for Dual Socket Code
printf("i7z DEBUG: Dual Socket Detected\n\r");
//Dual_Socket(&prog_options);
Dual_Socket();
} else {
//Path for Single Socket Code
printf("i7z DEBUG: Single Socket Detected\n\r");
//Single_Socket(&prog_options);
Single_Socket();
}
} else {
Dual_Socket();
}
return(1);
}