Путь: Toys/Other, команды версии: Ver.4 Ver.9 pmap Комментарии в файле pmap.c :
Исходный текст в файле pmap.c #define FOR_pmap #include "toys.h" void pmap_main(void) { char **optargs, *line = 0; size_t len = 0; for (optargs = toys.optargs; *optargs; optargs++) { long long start, end, pss, tpss=0, dirty, tdirty=0, swap, tswap=0, total=0; char *name = 0, *k = FLAG(x) ? "" : "K", mode[5]; pid_t pid = atolx(*optargs); int extras = 0, off, count; FILE *fp; sprintf(toybuf, "/proc/%u/cmdline", pid); if (!(name = readfile(toybuf, 0, 0))) { error_msg("no %s", toybuf); continue; } xprintf("%d: %s\n", pid, name); free(name); // Only bother scanning the more verbose smaps file in -x mode. sprintf(toybuf, "/proc/%u/%smaps", pid, "s"+!FLAG(x)); if (!(fp = fopen(toybuf, "r"))) { error_msg("no %s", toybuf); continue; } if (FLAG(x) && !FLAG(q)) xprintf("Address%*cKbytes PSS Dirty Swap Mode Mapping\n", (int)(sizeof(long)*2)-5, ' '); while (getline(&line, &len, fp) > 0) { count = sscanf(line, "%llx-%llx %4s %*s %*s %*s %n", &start, &end, mode, &off); if (count == 3) { name = line[off] ? line+off : " [anon]\n"; if (mode[3] == 'p') mode[3] = '-'; total += end = (end-start)/1024; printf("%0*llx % *lld%s ", (int)(2*sizeof(long)), start, 6+!!FLAG(x), end, k); if (FLAG(x)) { strcpy(toybuf, name); name = toybuf; continue; } } else { if (sscanf(line, "Pss: %lld", &pss) || sscanf(line, "Private_Dirty: %lld", &dirty) || sscanf(line, "Swap: %lld", &swap)) extras++; if (extras==3) { printf("% 7lld %7lld %7lld ", pss, dirty, swap); tpss += pss; tdirty += dirty; tswap += swap; extras = 0; } else continue; } xprintf("%s- %s%s", mode, *name == '[' ? " " : "", FLAG(p) ? name : basename(name)); } if (!FLAG(q)) { if (FLAG(x)) { xprintf("---------------- ------ ------ ------ ------\n" + ((sizeof(long)==4)?8:0)); } printf("total% *lld%s", 2*(int)(sizeof(long)+1)+!!FLAG(x), total, k); if (FLAG(x)) printf("% 8lld% 8lld% 8lld", tpss, tdirty, tswap); xputc('\n'); } fclose(fp); } free(line); } |