typedef struct unsigned_to_name_map_t {
- unsigned id;
+ long id;
char name[USERNAME_MAX_SIZE];
} unsigned_to_name_map_t;
cp->cache = NULL;
cp->size = 0;
}
-void clear_username_cache(void)
+void FAST_FUNC clear_username_cache(void)
{
clear_cache(&username);
clear_cache(&groupname);
if (cp->cache[i].id == id)
return i;
i = cp->size++;
- cp->cache = xrealloc(cp->cache, cp->size * sizeof(*cp->cache));
+ cp->cache = xrealloc_vector(cp->cache, 2, i);
cp->cache[i++].id = id;
return -i;
}
#endif
-typedef char* ug_func(char *name, int bufsize, long uid);
-static char* get_cached(cache_t *cp, unsigned id, ug_func* fp)
+static char* get_cached(cache_t *cp, long id,
+ char* FAST_FUNC x2x_utoa(long id))
{
int i;
for (i = 0; i < cp->size; i++)
if (cp->cache[i].id == id)
return cp->cache[i].name;
i = cp->size++;
- cp->cache = xrealloc(cp->cache, cp->size * sizeof(*cp->cache));
+ cp->cache = xrealloc_vector(cp->cache, 2, i);
cp->cache[i].id = id;
/* Never fails. Generates numeric string if name isn't found */
- fp(cp->cache[i].name, sizeof(cp->cache[i].name), id);
+ safe_strncpy(cp->cache[i].name, x2x_utoa(id), sizeof(cp->cache[i].name));
return cp->cache[i].name;
}
-const char* get_cached_username(uid_t uid)
+const char* FAST_FUNC get_cached_username(uid_t uid)
{
- return get_cached(&username, uid, bb_getpwuid);
+ return get_cached(&username, uid, uid2uname_utoa);
}
-const char* get_cached_groupname(gid_t gid)
+const char* FAST_FUNC get_cached_groupname(gid_t gid)
{
- return get_cached(&groupname, gid, bb_getgrgid);
+ return get_cached(&groupname, gid, gid2group_utoa);
}
return ret;
}
-procps_status_t *alloc_procps_scan(int flags)
+static procps_status_t* FAST_FUNC alloc_procps_scan(void)
{
unsigned n = getpagesize();
procps_status_t* sp = xzalloc(sizeof(procps_status_t));
return sp;
}
-void free_procps_scan(procps_status_t* sp)
+void FAST_FUNC free_procps_scan(procps_status_t* sp)
{
closedir(sp->dir);
free(sp->argv0);
#endif
void BUG_comm_size(void);
-procps_status_t *procps_scan(procps_status_t* sp, int flags)
+procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags)
{
struct dirent *entry;
char buf[PROCPS_BUFSIZE];
struct stat sb;
if (!sp)
- sp = alloc_procps_scan(flags);
+ sp = alloc_procps_scan();
for (;;) {
entry = readdir(sp->dir);
#if !ENABLE_FEATURE_FAST_TOP
unsigned long vsz, rss;
#endif
-
/* see proc(5) for some details on this */
strcpy(filename_tail, "/stat");
n = read_to_buf(filename, buf);
"%lu " /* start_time */
"%lu " /* vsize */
"%lu " /* rss */
- /* "%lu %lu %lu %lu %lu %lu " rss_rlim, start_code, end_code, start_stack, kstk_esp, kstk_eip */
- /* "%u %u %u %u " signal, blocked, sigignore, sigcatch */
- /* "%lu %lu %lu" wchan, nswap, cnswap */
+#if ENABLE_FEATURE_TOP_SMP_PROCESS
+ "%*s %*s %*s %*s %*s %*s " /*rss_rlim, start_code, end_code, start_stack, kstk_esp, kstk_eip */
+ "%*s %*s %*s %*s " /*signal, blocked, sigignore, sigcatch */
+ "%*s %*s %*s %*s " /*wchan, nswap, cnswap, exit_signal */
+ "%d" /*cpu last seen on*/
+#endif
,
sp->state, &sp->ppid,
&sp->pgid, &sp->sid, &tty,
&tasknice,
&sp->start_time,
&vsz,
- &rss);
- if (n != 10)
+ &rss
+#if ENABLE_FEATURE_TOP_SMP_PROCESS
+ , &sp->last_seen_on_cpu
+#endif
+ );
+
+ if (n < 11)
break;
+#if ENABLE_FEATURE_TOP_SMP_PROCESS
+ if (n < 11+15)
+ sp->last_seen_on_cpu = 0;
+#endif
+
/* vsz is in bytes and we want kb */
sp->vsz = vsz >> 10;
/* vsz is in bytes but rss is in *PAGES*! Can you believe that? */
sp->vsz = fast_strtoul_10(&cp) >> 10;
/* vsz is in bytes but rss is in *PAGES*! Can you believe that? */
sp->rss = fast_strtoul_10(&cp) << sp->shift_pages_to_kb;
+#if ENABLE_FEATURE_TOP_SMP_PROCESS
+ /* (6): rss_rlim, start_code, end_code, start_stack, kstk_esp, kstk_eip */
+ /* (4): signal, blocked, sigignore, sigcatch */
+ /* (4): wchan, nswap, cnswap, exit_signal */
+ cp = skip_fields(cp, 14);
+//FIXME: is it safe to assume this field exists?
+ sp->last_seen_on_cpu = fast_strtoul_10(&cp);
#endif
+#endif /* end of !ENABLE_FEATURE_TOP_SMP_PROCESS */
if (sp->vsz == 0 && sp->state[0] != 'Z')
sp->state[1] = 'W';
sp->state[2] = 'N';
else
sp->state[2] = ' ';
-
}
#if ENABLE_FEATURE_TOPMEM
FILE *file;
strcpy(filename_tail, "/smaps");
- file = fopen(filename, "r");
+ file = fopen_for_read(filename);
if (!file)
break;
while (fgets(buf, sizeof(buf), file)) {
n = read_to_buf(filename, buf);
if (n <= 0)
break;
-#if ENABLE_PGREP || ENABLE_PKILL
if (flags & PSSCAN_ARGVN) {
- do {
- n--;
- if (buf[n] == '\0')
- buf[n] = ' ';
- } while (n);
+ sp->argv_len = n;
+ sp->argv0 = xmalloc(n + 1);
+ memcpy(sp->argv0, buf, n + 1);
+ /* sp->argv0[n] = '\0'; - buf has it */
+ } else {
+ sp->argv_len = 0;
+ sp->argv0 = xstrdup(buf);
}
-#endif
- sp->argv0 = xstrdup(buf);
}
#endif
break;
return sp;
}
-void read_cmdline(char *buf, int col, unsigned pid, const char *comm)
+void FAST_FUNC read_cmdline(char *buf, int col, unsigned pid, const char *comm)
{
ssize_t sz;
char filename[sizeof("/proc//cmdline") + sizeof(int)*3];
projects / oweals / busybox.git / blobdiff