diff options
Diffstat (limited to 'toys/pending')
| -rw-r--r-- | toys/pending/pmap.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/toys/pending/pmap.c b/toys/pending/pmap.c deleted file mode 100644 index 7d54c430..00000000 --- a/toys/pending/pmap.c +++ /dev/null @@ -1,128 +0,0 @@ -/* pmap.c - Reports the memory map of a process or processes. - * - * Copyright 2013 Ranjan Kumar <ranjankumar.bth@gmail.com> - * Copyright 2013 Kyungwan Han <asura321@gmail.com> - * - * No Standard. - * -USE_PMAP(NEWTOY(pmap, "xq", TOYFLAG_BIN)) - -config PMAP - bool "pmap" - default y - help - usage: pmap [-xq] [pids...] - - Reports the memory map of a process or processes. - - -x Show the extended format. - -q Do not display some header/footer lines. -*/ -#define FOR_pmap -#include "toys.h" - -#if ULONG_MAX == 0xffffffff - # define TAB "\t" - # define WIDTH "8" - # define DASHES "" -#else - # define TAB "\t\t" - # define WIDTH "16" - # define DASHES "--------" -#endif - -struct _smaps { - unsigned long start_addr, size, pss, pdirty, swap; - char mode[5], *mapping; -}; - -//Display mapping info. -static void show_maps(struct _smaps *map) -{ - xprintf("%0" WIDTH "lx ", map->start_addr); - if (toys.optflags & FLAG_x) - xprintf("%7lu %7lu %7lu %7lu ", map->size, map->pss, map->pdirty, map->swap); - else xprintf("%7luK", map->size); - xprintf(" %.4s \n", map->mode, map->mapping); - free(map->mapping); -} - -//Read "/proc/pid/smaps" file and extract data. -static int read_smaps(pid_t pid, struct _smaps *total) -{ - struct _smaps curmap; - char *line; - int fd, nitems; - - snprintf(toybuf, sizeof(toybuf), "/proc/%u/smaps", pid); - if ((fd = open(toybuf, O_RDONLY)) < 0) return fd; - memset(&curmap, 0, sizeof(struct _smaps)); - while ((line = get_line(fd))) { - char *ptr = NULL; - *toybuf = *(toybuf+34) = *(toybuf+40) = '\0'; - //1st line format -> start_addr-End_addr rw-s ADR M:m OFS - if ((ptr = strchr(line, '-'))) { - if (curmap.size) show_maps(&curmap); - memset(&curmap, 0, sizeof(struct _smaps)); - nitems = sscanf(line, "%s %s %*s %*s %*s %s\n", toybuf, toybuf+34, toybuf+40); - if (nitems >= 2) { - ptr = strchr(toybuf, '-'); - *ptr = '\0'; - total->size += curmap.size = (strtoul(++ptr, NULL, 16) - - (curmap.start_addr = strtoul(toybuf, NULL, 16))) >> 10; - strncpy(curmap.mode, toybuf+34, sizeof(curmap.mode)-1); - if (!*(toybuf+40)) curmap.mapping = xstrdup(" [ anon ]"); - else curmap.mapping = xstrdup(toybuf+40); - } - } else { //2nd line onwards.. - unsigned long val = 0; - nitems = sscanf(line, "%s %lu\n", toybuf, &val); - if (nitems == 2) { - if (!strcmp("Pss:", toybuf)) total->pss += (curmap.pss = val); - else if (!strcmp("Private_Dirty:", toybuf)) total->pdirty += (curmap.pdirty = val); - else if (!strcmp("Swap:", toybuf)) total->swap += (curmap.swap = val); - } - } - free(line); - } - if (curmap.size) show_maps(&curmap); - xclose(fd); - return 0; -} - -void pmap_main(void) -{ - struct _smaps total; - int fd; - - while (*toys.optargs) { - pid_t pid = get_int_value(*toys.optargs++, 0, INT_MAX); - snprintf(toybuf, sizeof(toybuf), "/proc/%u/cmdline", pid); - if ((fd = open(toybuf, O_RDONLY)) == -1) xprintf("%u: [no such process]\n", pid); - else { - ssize_t len = readall(fd, toybuf, sizeof(toybuf) -1); - if (len <= 0) xprintf("%u: [no such process]\n", (int)pid); - else { - toybuf[len] = '\0'; - while (--len >= 0 && toybuf[len] == '\0') continue; - for (; len > 0; len--) - if ((unsigned char)toybuf[len] < ' ') toybuf[len] = ' '; - xprintf("%u: %s\n", (int)pid, toybuf); - } - xclose(fd); - } - if (!(toys.optflags & FLAG_q) && (toys.optflags & FLAG_x)) - xprintf("Address" TAB " Kbytes PSS Dirty Swap Mode Mapping\n"); - - memset(&total, 0, sizeof(struct _smaps)); - if (read_smaps(pid, &total)) toys.exitval = 42; - else { //to display total mapping. - if (!(toys.optflags & FLAG_q) ) - (toys.optflags & FLAG_x) - ? xprintf("--------" DASHES " ------ ------ ------ ------\n" - "total" TAB " %7lu %7lu %7lu %7lu\n", - total.size, total.pss, total.pdirty, total.swap) - : xprintf("mapped: %luK\n", total.size); - } - } -} |