Remove schedtop.

This seems to have only been used before we had top(1).

Change-Id: I6c3e5dad19754cf00a07161d2b93093dc0fe7c08

2 files changed, 0 insertions, 331 deletions

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 @@ OUR_TOOLS := \
     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;
-}