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  Рус  

usage:  librank [ -P | -L ] [ -v | -r | -p | -u | -s | -h ]


Sort options:
-v  Sort processes by VSS.
-r  Sort processes by RSS.
-p  Sort processes by PSS.
-u  Sort processes by USS.
-s  Sort processes by swap.
        (Default sort order is PSS.)
-a  Show all mappings, including stack, heap and anon.
-P /path  Limit libraries displayed to those in path.
-R  Reverse sort order (default is descending).
-m [r][w][x] Only list pages that exactly match permissions
-c  Only show cached (storage backed) pages
-C  Only show non-cached (ram/swap backed) pages
-k  Only show pages collapsed by KSM
-f  [raw][json][csv] Print output in the specified format.
        (Default format is raw text.)
-h  Display this help screen.

    https://android.googlesource.com/platform/system/extras/+/android-6.0.1_r62/librank/librank.c

switch (c) {
case 'a':
all = true;
break;
case 'c':
required_flags = 0;
flags_mask = PM_PAGE_SWAPBACKED;
break;
case 'C':
required_flags = PM_PAGE_SWAPBACKED;
flags_mask = PM_PAGE_SWAPBACKED;
break;
case 'k':
required_flags = PM_PAGE_KSM;
flags_mask = PM_PAGE_KSM;
break;
case 'h':
usage(argv[0]);
exit(EXIT_SUCCESS);
case 'm':
perm = parse_perm(optarg);
break;
case 'p':
compfn = &sort_by_pss;
break;
case 'P':
prefix = optarg;
prefix_len = strlen(prefix);
break;
case 'u':
compfn = &sort_by_uss;
break;
case 'v':
compfn = &sort_by_vss;
break;
case 'r':
compfn = &sort_by_rss;
break;
case 's':
compfn = &sort_by_swap;
break;
case 'R':
order *= -1;
break;
case '?':
fprintf(stderr, "Invalid argument \"%s\".\n", argv[optind - 1]);
usage(argv[0]);
exit(EXIT_FAILURE);
default:
abort();

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