Mon 14 Oct 23:09:15 CEST 2024
This commit is contained in:
parent
94af3a0210
commit
f64988e146
382
user/livestat.c
Normal file
382
user/livestat.c
Normal file
|
|
@ -0,0 +1,382 @@
|
||||||
|
#include "library/malloc.h"
|
||||||
|
#include "library/syscalls.h"
|
||||||
|
#include "library/string.h"
|
||||||
|
#include "library/stdio.h"
|
||||||
|
#include "library/nwindow.h"
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Livestat is a command line utility to display a graph of operating system
|
||||||
|
* statistics in realtime
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define POINTS 60
|
||||||
|
#define ARG_MAX 16
|
||||||
|
#define ARG_SIZE 32
|
||||||
|
|
||||||
|
typedef enum STAT_LIVE {
|
||||||
|
DRIVER_LIVE,
|
||||||
|
BCACHE_LIVE,
|
||||||
|
SYSTEM_LIVE,
|
||||||
|
PROCESS_LIVE
|
||||||
|
} STAT_LIVE;
|
||||||
|
|
||||||
|
struct stat_args {
|
||||||
|
/* General */
|
||||||
|
STAT_LIVE stat_type;
|
||||||
|
char * stat_name;
|
||||||
|
void * statistics;
|
||||||
|
/* Process */
|
||||||
|
char * pid_s;
|
||||||
|
int pid;
|
||||||
|
int syscall_index;
|
||||||
|
/* Driver */
|
||||||
|
char * driver_name;
|
||||||
|
/* System */
|
||||||
|
int device_unit;
|
||||||
|
};
|
||||||
|
|
||||||
|
void help();
|
||||||
|
void stat_live_2_str(STAT_LIVE stat_l, char * str);
|
||||||
|
void create_graph(STAT_LIVE stat_type, char * stat_name, char * stat_arg, int window_width, int window_height, int plot_width, int plot_height, int thickness, int char_offset);
|
||||||
|
int extract_statistic(struct stat_args * args);
|
||||||
|
void plot_bars(int * most_recent_vals, int max, int window_width, int window_height, int plot_width, int plot_height, int thickness, int char_offset);
|
||||||
|
void run_stats(struct stat_args * args);
|
||||||
|
|
||||||
|
struct nwindow *nw = 0;
|
||||||
|
|
||||||
|
int main(int argc, const char * argv[]) {
|
||||||
|
/* Setup program parameters */
|
||||||
|
int current_arg = 1;
|
||||||
|
struct stat_args args = { 0 };
|
||||||
|
|
||||||
|
/* Parse command line options */
|
||||||
|
if (argc < 2) {
|
||||||
|
help(1); return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
while(current_arg < argc) {
|
||||||
|
if (!strcmp(argv[current_arg], "-h") || !strcmp(argv[current_arg], "--help")) {
|
||||||
|
help(); return 0;
|
||||||
|
}
|
||||||
|
else if (!strcmp(argv[current_arg], "-b")) {
|
||||||
|
args.statistics = malloc(sizeof(struct bcache_stats));
|
||||||
|
args.stat_type = BCACHE_LIVE;
|
||||||
|
}
|
||||||
|
else if (!strcmp(argv[current_arg], "-dr")) {
|
||||||
|
args.statistics = malloc(sizeof(struct device_driver_stats));
|
||||||
|
args.stat_type = DRIVER_LIVE;
|
||||||
|
args.driver_name = strdup(argv[++current_arg]);
|
||||||
|
}
|
||||||
|
else if (!strcmp(argv[current_arg], "-sys")) {
|
||||||
|
args.statistics = malloc(sizeof(struct system_stats));
|
||||||
|
args.stat_type = SYSTEM_LIVE;
|
||||||
|
}
|
||||||
|
else if (!strcmp(argv[current_arg], "-p")) {
|
||||||
|
args.statistics = malloc(sizeof(struct process_stats));
|
||||||
|
args.stat_type = PROCESS_LIVE;
|
||||||
|
args.pid_s = strdup(argv[++current_arg]);
|
||||||
|
str2int(args.pid_s, &(args.pid));
|
||||||
|
}
|
||||||
|
else if (!strcmp(argv[current_arg], "-s")) {
|
||||||
|
args.stat_name = strdup(argv[++current_arg]);
|
||||||
|
}
|
||||||
|
else if (!strcmp(argv[current_arg], "-sc")) {
|
||||||
|
str2int(argv[++current_arg], &(args.syscall_index));
|
||||||
|
}
|
||||||
|
else if (!strcmp(argv[current_arg], "-du")) {
|
||||||
|
str2int(argv[++current_arg], &(args.device_unit));
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
help(); return 1;
|
||||||
|
}
|
||||||
|
++current_arg;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!args.stat_name) {
|
||||||
|
help(); return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
nw = nw_create_default();
|
||||||
|
|
||||||
|
/* Start tracking stats */
|
||||||
|
run_stats(&args);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/** HELPER FUNCTIONS **/
|
||||||
|
/* Create graph and continuously update it */
|
||||||
|
void run_stats(struct stat_args * args)
|
||||||
|
{
|
||||||
|
/* Initialize variables for graph and stats collection */
|
||||||
|
int window_width = 270;
|
||||||
|
int window_height = 270;
|
||||||
|
int plot_width = 180;
|
||||||
|
int plot_height = 180;
|
||||||
|
int thickness = 2;
|
||||||
|
int char_offset = 8;
|
||||||
|
|
||||||
|
/* Generate the graph with correct labels */
|
||||||
|
if (args->stat_type == BCACHE_LIVE) {
|
||||||
|
create_graph(args->stat_type, args->stat_name, 0, window_width, window_height, plot_width, plot_height, thickness, char_offset);
|
||||||
|
} else if (args->stat_type == PROCESS_LIVE) {
|
||||||
|
create_graph(args->stat_type, args->stat_name, args->pid_s, window_width, window_height, plot_width, plot_height, thickness, char_offset);
|
||||||
|
} else if (args->stat_type == DRIVER_LIVE) {
|
||||||
|
create_graph(args->stat_type, args->stat_name, args->driver_name, window_width, window_height, plot_width, plot_height, thickness, char_offset);
|
||||||
|
} else if (args->stat_type == SYSTEM_LIVE) {
|
||||||
|
create_graph(args->stat_type, args->stat_name, 0, window_width, window_height, plot_width, plot_height, thickness, char_offset);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Start tracking stats */
|
||||||
|
int i, new_val, max;
|
||||||
|
int most_recent_vals[POINTS];
|
||||||
|
int last_value = 0;
|
||||||
|
int first = 1;
|
||||||
|
char quit = 0;
|
||||||
|
|
||||||
|
for (size_t i = 0; i < POINTS; i++)
|
||||||
|
most_recent_vals[i] = -1;
|
||||||
|
|
||||||
|
while(1) {
|
||||||
|
/* Check to exit */
|
||||||
|
quit = nw_getchar(nw,0);
|
||||||
|
if (quit == 'q') break;
|
||||||
|
|
||||||
|
/* Get the correct stats */
|
||||||
|
if (args->stat_type == BCACHE_LIVE) {
|
||||||
|
syscall_bcache_stats(args->statistics);
|
||||||
|
} else if (args->stat_type == PROCESS_LIVE) {
|
||||||
|
syscall_process_stats(args->statistics, args->pid);
|
||||||
|
} else if (args->stat_type == DRIVER_LIVE) {
|
||||||
|
syscall_device_driver_stats(args->driver_name, args->statistics);
|
||||||
|
} else if (args->stat_type == SYSTEM_LIVE) {
|
||||||
|
syscall_system_stats(args->statistics);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Grab the specified statistic of interest */
|
||||||
|
new_val = extract_statistic(args);
|
||||||
|
|
||||||
|
/* Skip first value because it is just a baseline */
|
||||||
|
if (first) {
|
||||||
|
last_value = new_val;
|
||||||
|
first = 0;
|
||||||
|
goto sleep;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Update points */
|
||||||
|
for (i = 1; i < POINTS; i++)
|
||||||
|
most_recent_vals[i-1] = most_recent_vals[i];
|
||||||
|
most_recent_vals[POINTS-1] = new_val - last_value;
|
||||||
|
last_value = new_val;
|
||||||
|
|
||||||
|
/* Set max to greatest point or 1 */
|
||||||
|
max = 1;
|
||||||
|
for (i = 0; i < POINTS; i++) {
|
||||||
|
if (most_recent_vals[i] > max) max = most_recent_vals[i];
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Replot points */
|
||||||
|
plot_bars(most_recent_vals, max, window_width, window_height, plot_width, plot_height, thickness, char_offset);
|
||||||
|
|
||||||
|
/* Sleep for 6 seconds and then continue */
|
||||||
|
sleep:
|
||||||
|
syscall_process_sleep(6000);
|
||||||
|
}
|
||||||
|
nw_fgcolor(nw,255, 255, 255);
|
||||||
|
nw_flush(nw);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Return one stat from statistics structure */
|
||||||
|
int extract_statistic(struct stat_args * args) {
|
||||||
|
|
||||||
|
if (args->stat_type == BCACHE_LIVE) {
|
||||||
|
if (!strcmp(args->stat_name, "read_hits")) {
|
||||||
|
return ((struct bcache_stats *)args->statistics)->read_hits;
|
||||||
|
} else if (!strcmp(args->stat_name, "read_misses")) {
|
||||||
|
return ((struct bcache_stats *)args->statistics)->read_misses;
|
||||||
|
} else if (!strcmp(args->stat_name, "write_hits")) {
|
||||||
|
return ((struct bcache_stats *)args->statistics)->write_hits;
|
||||||
|
} else if (!strcmp(args->stat_name, "write_misses")) {
|
||||||
|
return ((struct bcache_stats *)args->statistics)->write_misses;
|
||||||
|
} else if (!strcmp(args->stat_name, "writebacks")) {
|
||||||
|
return ((struct bcache_stats *)args->statistics)->writebacks;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (args->stat_type == PROCESS_LIVE) {
|
||||||
|
if (!strcmp(args->stat_name, "blocks_read")) {
|
||||||
|
return ((struct process_stats *)args->statistics)->blocks_read;
|
||||||
|
} else if (!strcmp(args->stat_name, "blocks_written")) {
|
||||||
|
return ((struct process_stats *)args->statistics)->blocks_written;
|
||||||
|
} else if (!strcmp(args->stat_name, "bytes_read")) {
|
||||||
|
return ((struct process_stats *)args->statistics)->bytes_read;
|
||||||
|
} else if (!strcmp(args->stat_name, "bytes_written")) {
|
||||||
|
return ((struct process_stats *)args->statistics)->bytes_written;
|
||||||
|
} else if (!strcmp(args->stat_name, "syscall_count")) {
|
||||||
|
return ((struct process_stats *)args->statistics)->syscall_count[args->syscall_index];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (args->stat_type == DRIVER_LIVE) {
|
||||||
|
if (!strcmp(args->stat_name, "blocks_read")) {
|
||||||
|
return ((struct device_driver_stats *)args->statistics)->blocks_read;
|
||||||
|
} else if (!strcmp(args->stat_name, "blocks_written")) {
|
||||||
|
return ((struct device_driver_stats *)args->statistics)->blocks_written;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (args->stat_type == SYSTEM_LIVE) {
|
||||||
|
if (!strcmp(args->stat_name, "time")) {
|
||||||
|
return ((struct system_stats *)args->statistics)->time;
|
||||||
|
} else if (!strcmp(args->stat_name, "blocks_read")) {
|
||||||
|
return ((struct system_stats *)args->statistics)->blocks_read[args->device_unit];
|
||||||
|
} else if (!strcmp(args->stat_name, "blocks_written")) {
|
||||||
|
return ((struct system_stats *)args->statistics)->blocks_written[args->device_unit];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Create the graph template for the display */
|
||||||
|
void create_graph( STAT_LIVE stat_type, char * stat_name, char * stat_arg, int window_width, int window_height, int plot_width, int plot_height, int thickness, int char_offset) {
|
||||||
|
/* Initialize Parameters */
|
||||||
|
int i;
|
||||||
|
int x_offset = (window_width - plot_width) / 2;
|
||||||
|
int y_offset = (window_height - plot_height) / 2;
|
||||||
|
char title[100] = "";
|
||||||
|
|
||||||
|
stat_live_2_str(stat_type, title);
|
||||||
|
if (stat_arg != 0) {
|
||||||
|
strcat(title, ": ");
|
||||||
|
strcat(title, stat_arg);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Draw border around window */
|
||||||
|
nw_clear(nw,0, 0, window_width, window_height);
|
||||||
|
nw_rect(nw,0, 0, window_width, thickness);
|
||||||
|
nw_rect(nw,0, 0, thickness, window_height);
|
||||||
|
nw_rect(nw,window_width - thickness, 0, thickness, window_height);
|
||||||
|
nw_rect(nw,0, window_height - thickness, window_width, thickness);
|
||||||
|
|
||||||
|
/* Draw X, Y axis in center of window */
|
||||||
|
nw_rect(nw,x_offset, y_offset+plot_height, plot_width, thickness);
|
||||||
|
nw_rect(nw,x_offset, y_offset, thickness, plot_height);
|
||||||
|
|
||||||
|
/* Draw title, x_axis label, y_axis label */
|
||||||
|
nw_string(nw,window_width/2 - 70, 8, title);
|
||||||
|
nw_string(nw,window_width/2 - 34, window_height - 16, "Time (6s)");
|
||||||
|
|
||||||
|
/* Setup Y axis */
|
||||||
|
char y[2] = { 0 };
|
||||||
|
for (i = 0; i < strlen(stat_name); i++) {
|
||||||
|
y[0] = stat_name[i];
|
||||||
|
nw_string(nw,10, window_height/2 - 20 + i*char_offset, y);
|
||||||
|
nw_flush(nw);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* For tick marks on x axis -- always keep the most recent minute - 10 ticks */
|
||||||
|
int x_tick_width = plot_width/10;
|
||||||
|
for (i = 0; i < 10+1; i++) {
|
||||||
|
nw_rect(nw,x_offset+i*x_tick_width, y_offset+plot_height, thickness, 6);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* For tick marks on y axis -- max will be dynamically set */
|
||||||
|
int y_tick_width = plot_height/10;
|
||||||
|
for (i = 0; i < 10+1; i++) {
|
||||||
|
nw_rect(nw,x_offset - 4, y_offset + plot_height - i * y_tick_width, 6, thickness);
|
||||||
|
}
|
||||||
|
|
||||||
|
nw_flush(nw);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Plot all of the points on the graph and print the max */
|
||||||
|
void plot_bars( int most_recent_vals[POINTS], int max, int window_width, int window_height, int plot_width, int plot_height, int thickness, int char_offset) {
|
||||||
|
/* Clear the graph */
|
||||||
|
int x_offset = (window_width - plot_width) / 2;
|
||||||
|
int y_offset = (window_height - plot_height) / 2;
|
||||||
|
nw_clear(nw,x_offset, y_offset, plot_width+thickness, plot_height);
|
||||||
|
|
||||||
|
/* Redraw the axis */
|
||||||
|
nw_rect(nw,x_offset, y_offset+plot_height, plot_width, thickness);
|
||||||
|
nw_rect(nw,x_offset, y_offset, thickness, plot_height);
|
||||||
|
|
||||||
|
/* Create string of the max */
|
||||||
|
char max_str[32];
|
||||||
|
uint_to_string((uint32_t) max, max_str);
|
||||||
|
nw_string(nw,x_offset - 26, y_offset - 10, max_str);
|
||||||
|
nw_flush(nw);
|
||||||
|
|
||||||
|
/* Plot the points */
|
||||||
|
int i, current_point[2] = { 0 };
|
||||||
|
|
||||||
|
/* Variables to plot value in correct location on the graph */
|
||||||
|
float x_step = (float)plot_width/POINTS;
|
||||||
|
float y_step = (float)plot_height/max;
|
||||||
|
|
||||||
|
nw_fgcolor(nw,0, 255, 0);
|
||||||
|
|
||||||
|
for (i = 0; i < POINTS; i++) {
|
||||||
|
if (most_recent_vals[i] == -1)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
current_point[0] = x_offset + (int)(x_step*(i+1));
|
||||||
|
current_point[1] = y_offset + plot_height - (int)(y_step*most_recent_vals[i]);
|
||||||
|
nw_rect(nw,current_point[0], current_point[1], thickness, (int)(y_step*most_recent_vals[i]));
|
||||||
|
}
|
||||||
|
nw_flush(nw);
|
||||||
|
nw_fgcolor(nw,255, 255, 255);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Convert stat type to string */
|
||||||
|
void stat_live_2_str(STAT_LIVE stat_l, char * str) {
|
||||||
|
|
||||||
|
if (stat_l == BCACHE_LIVE) {
|
||||||
|
strcpy(str, "Bcache");
|
||||||
|
}
|
||||||
|
else if (stat_l == PROCESS_LIVE) {
|
||||||
|
strcpy(str, "Process");
|
||||||
|
}
|
||||||
|
else if (stat_l == DRIVER_LIVE) {
|
||||||
|
strcpy(str, "Driver");
|
||||||
|
}
|
||||||
|
else if (stat_l == SYSTEM_LIVE) {
|
||||||
|
strcpy(str, "System");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Help message */
|
||||||
|
void help() {
|
||||||
|
printf("\nusage\n\n");
|
||||||
|
printf("statslive.exe\n");
|
||||||
|
printf(" -h | --help # display help\n");
|
||||||
|
printf(" -b # buffer cache stats\n");
|
||||||
|
printf(" -dr <DRIVER_NAME> # driver stats\n");
|
||||||
|
printf(" -sys <BLOCK> # system stats\n");
|
||||||
|
printf(" -p <PID> # process stats\n");
|
||||||
|
printf(" -sc <SYSCALL> # syscall number\n");
|
||||||
|
printf(" -s <STAT_NAME> # name of statistic\n");
|
||||||
|
|
||||||
|
printf("\nBuffercache STAT_NAME options:\n");
|
||||||
|
printf(" read_hits\n");
|
||||||
|
printf(" read_misses\n");
|
||||||
|
printf(" write_hits\n");
|
||||||
|
printf(" write_misses\n");
|
||||||
|
printf(" writebacks\n\n");
|
||||||
|
|
||||||
|
printf("\nProcess STAT_NAME options:\n");
|
||||||
|
printf(" blocks_read\n");
|
||||||
|
printf(" blocks_written\n");
|
||||||
|
printf(" bytes_read\n");
|
||||||
|
printf(" bytes_written\n");
|
||||||
|
printf(" syscall_count\n\n");
|
||||||
|
|
||||||
|
printf("\nDriver STAT_NAME options:\n");
|
||||||
|
printf(" blocks_read\n");
|
||||||
|
printf(" blocks_written\n\n");
|
||||||
|
|
||||||
|
printf("\nSystem STAT_NAME options:\n");
|
||||||
|
printf(" time\n");
|
||||||
|
printf(" blocks_read\n");
|
||||||
|
printf(" blocks_written\n\n");
|
||||||
|
|
||||||
|
//TODO memory utilizations (page), kernel malloc
|
||||||
|
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user