Remove schedtop.
This seems to have only been used before we had top(1).
Change-Id: I6c3e5dad19754cf00a07161d2b93093dc0fe7c08
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index b822ea0..959dc22 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -60,7 +60,6 @@
restorecon \
route \
runcon \
- schedtop \
sendevent \
setprop \
start \
diff --git a/toolbox/schedtop.c b/toolbox/schedtop.c
deleted file mode 100644
index 2fccd2e..0000000
--- a/toolbox/schedtop.c
+++ /dev/null
@@ -1,330 +0,0 @@
-#include <ctype.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <pwd.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-struct thread_info {
- int pid;
- int tid;
- char name[64];
- unsigned long long exec_time;
- unsigned long long delay_time;
- unsigned long long run_count;
-};
-
-struct thread_table {
- size_t allocated;
- size_t active;
- struct thread_info *data;
-};
-
-enum {
- FLAG_BATCH = 1U << 0,
- FLAG_HIDE_IDLE = 1U << 1,
- FLAG_SHOW_THREADS = 1U << 2,
- FLAG_USE_ALTERNATE_SCREEN = 1U << 3,
-};
-
-static int time_dp = 9;
-static int time_div = 1;
-#define NS_TO_S_D(ns) \
- (uint32_t)((ns) / 1000000000), time_dp, ((uint32_t)((ns) % 1000000000) / time_div)
-
-struct thread_table processes;
-struct thread_table last_processes;
-struct thread_table threads;
-struct thread_table last_threads;
-
-static void grow_table(struct thread_table *table)
-{
- size_t size = table->allocated;
- struct thread_info *new_table;
- if (size < 128)
- size = 128;
- else
- size *= 2;
-
- new_table = realloc(table->data, size * sizeof(*table->data));
- if (new_table == NULL) {
- fprintf(stderr, "out of memory\n");
- exit(1);
- }
- table->data = new_table;
- table->allocated = size;
-}
-
-static struct thread_info *get_item(struct thread_table *table)
-{
- if (table->active >= table->allocated)
- grow_table(table);
- return table->data + table->active;
-}
-
-static void commit_item(struct thread_table *table)
-{
- table->active++;
-}
-
-static int read_line(char *line, size_t line_size)
-{
- int fd;
- int len;
- fd = open(line, O_RDONLY);
- if(fd == 0)
- return -1;
- len = read(fd, line, line_size - 1);
- close(fd);
- if (len <= 0)
- return -1;
- line[len] = '\0';
- return 0;
-}
-
-static void add_thread(int pid, int tid, struct thread_info *proc_info)
-{
- char line[1024];
- char *name, *name_end;
- size_t name_len;
- struct thread_info *info;
- if(tid == 0)
- info = get_item(&processes);
- else
- info = get_item(&threads);
- info->pid = pid;
- info->tid = tid;
-
- if(tid)
- sprintf(line, "/proc/%d/task/%d/schedstat", pid, tid);
- else
- sprintf(line, "/proc/%d/schedstat", pid);
- if (read_line(line, sizeof(line)))
- return;
- if(sscanf(line, "%llu %llu %llu",
- &info->exec_time, &info->delay_time, &info->run_count) != 3)
- return;
- if (proc_info) {
- proc_info->exec_time += info->exec_time;
- proc_info->delay_time += info->delay_time;
- proc_info->run_count += info->run_count;
- }
-
- name = NULL;
- if (!tid) {
- sprintf(line, "/proc/%d/cmdline", pid);
- if (read_line(line, sizeof(line)) == 0 && line[0]) {
- name = line;
- name_len = strlen(name);
- }
- }
- if (!name) {
- if (tid)
- sprintf(line, "/proc/%d/task/%d/stat", pid, tid);
- else
- sprintf(line, "/proc/%d/stat", pid);
- if (read_line(line, sizeof(line)))
- return;
- name = strchr(line, '(');
- if (name == NULL)
- return;
- name_end = strchr(name, ')');
- if (name_end == NULL)
- return;
- name++;
- name_len = name_end - name;
- }
- if (name_len >= sizeof(info->name))
- name_len = sizeof(info->name) - 1;
- memcpy(info->name, name, name_len);
- info->name[name_len] = '\0';
- if(tid == 0)
- commit_item(&processes);
- else
- commit_item(&threads);
-}
-
-static void add_threads(int pid, struct thread_info *proc_info)
-{
- char path[1024];
- DIR *d;
- struct dirent *de;
- sprintf(path, "/proc/%d/task", pid);
- d = opendir(path);
- if(d == 0) return;
- while((de = readdir(d)) != 0){
- if(isdigit(de->d_name[0])){
- int tid = atoi(de->d_name);
- add_thread(pid, tid, proc_info);
- }
- }
- closedir(d);
-}
-
-static void print_threads(int pid, uint32_t flags)
-{
- size_t i, j;
- for (i = 0; i < last_threads.active; i++) {
- int epid = last_threads.data[i].pid;
- int tid = last_threads.data[i].tid;
- if (epid != pid)
- continue;
- for (j = 0; j < threads.active; j++)
- if (tid == threads.data[j].tid)
- break;
- if (j == threads.active)
- printf(" %5u died\n", tid);
- else if (!(flags & FLAG_HIDE_IDLE) || threads.data[j].run_count - last_threads.data[i].run_count)
- printf(" %5u %2u.%0*u %2u.%0*u %5llu %5u.%0*u %5u.%0*u %7llu %s\n", tid,
- NS_TO_S_D(threads.data[j].exec_time - last_threads.data[i].exec_time),
- NS_TO_S_D(threads.data[j].delay_time - last_threads.data[i].delay_time),
- threads.data[j].run_count - last_threads.data[i].run_count,
- NS_TO_S_D(threads.data[j].exec_time), NS_TO_S_D(threads.data[j].delay_time),
- threads.data[j].run_count, threads.data[j].name);
- }
-}
-
-static void update_table(DIR *d, uint32_t flags)
-{
- size_t i, j;
- struct dirent *de;
-
- rewinddir(d);
- while((de = readdir(d)) != 0){
- if(isdigit(de->d_name[0])){
- int pid = atoi(de->d_name);
- struct thread_info *proc_info;
- add_thread(pid, 0, NULL);
- proc_info = &processes.data[processes.active - 1];
- proc_info->exec_time = 0;
- proc_info->delay_time = 0;
- proc_info->run_count = 0;
- add_threads(pid, proc_info);
- }
- }
- if (!(flags & FLAG_BATCH))
- printf("\e[H\e[0J");
- printf("Processes: %zu, Threads %zu\n", processes.active, threads.active);
- switch (time_dp) {
- case 3:
- printf(" TID --- SINCE LAST ---- ---------- TOTAL ----------\n");
- printf(" PID EXEC_T DELAY SCHED EXEC_TIME DELAY_TIM SCHED NAME\n");
- break;
- case 6:
- printf(" TID ------ SINCE LAST ------- ------------ TOTAL -----------\n");
- printf(" PID EXEC_TIME DELAY_TIM SCHED EXEC_TIME DELAY_TIME SCHED NAME\n");
- break;
- default:
- printf(" TID -------- SINCE LAST -------- ------------- TOTAL -------------\n");
- printf(" PID EXEC_TIME DELAY_TIME SCHED EXEC_TIME DELAY_TIME SCHED NAME\n");
- break;
- }
- for (i = 0; i < last_processes.active; i++) {
- int pid = last_processes.data[i].pid;
- for (j = 0; j < processes.active; j++)
- if (pid == processes.data[j].pid)
- break;
- if (j == processes.active)
- printf("%5u died\n", pid);
- else if (!(flags & FLAG_HIDE_IDLE) || processes.data[j].run_count - last_processes.data[i].run_count) {
- printf("%5u %2u.%0*u %2u.%0*u %5llu %5u.%0*u %5u.%0*u %7llu %s\n", pid,
- NS_TO_S_D(processes.data[j].exec_time - last_processes.data[i].exec_time),
- NS_TO_S_D(processes.data[j].delay_time - last_processes.data[i].delay_time),
- processes.data[j].run_count - last_processes.data[i].run_count,
- NS_TO_S_D(processes.data[j].exec_time), NS_TO_S_D(processes.data[j].delay_time),
- processes.data[j].run_count, processes.data[j].name);
- if (flags & FLAG_SHOW_THREADS)
- print_threads(pid, flags);
- }
- }
-
- {
- struct thread_table tmp;
- tmp = last_processes;
- last_processes = processes;
- processes = tmp;
- processes.active = 0;
- tmp = last_threads;
- last_threads = threads;
- threads = tmp;
- threads.active = 0;
- }
-}
-
-void
-sig_abort(int signum)
-{
- printf("\e[?47l");
- exit(0);
-}
-
-
-int schedtop_main(int argc, char **argv)
-{
- int c;
- DIR *d;
- uint32_t flags = 0;
- int delay = 3000000;
- float delay_f;
-
- while(1) {
- c = getopt(argc, argv, "d:ibtamun");
- if (c == EOF)
- break;
- switch (c) {
- case 'd':
- delay_f = atof(optarg);
- delay = delay_f * 1000000;
- break;
- case 'b':
- flags |= FLAG_BATCH;
- break;
- case 'i':
- flags |= FLAG_HIDE_IDLE;
- break;
- case 't':
- flags |= FLAG_SHOW_THREADS;
- break;
- case 'a':
- flags |= FLAG_USE_ALTERNATE_SCREEN;
- break;
- case 'm':
- time_dp = 3;
- time_div = 1000000;
- break;
- case 'u':
- time_dp = 6;
- time_div = 1000;
- break;
- case 'n':
- time_dp = 9;
- time_div = 1;
- break;
- }
- }
-
- d = opendir("/proc");
- if(d == 0) return -1;
-
- if (!(flags & FLAG_BATCH)) {
- if(flags & FLAG_USE_ALTERNATE_SCREEN) {
- signal(SIGINT, sig_abort);
- signal(SIGPIPE, sig_abort);
- signal(SIGTERM, sig_abort);
- printf("\e7\e[?47h");
- }
- printf("\e[2J");
- }
- while (1) {
- update_table(d, flags);
- usleep(delay);
- }
- closedir(d);
- return 0;
-}