misc: Move all binaries to src

*.c -> src/
ps/* src/ps/
top/* src/top/

Signed-off-by: Craig Small <csmall@dropbear.xyz>

1 files changed, 386 insertions, 0 deletions

diff --git a/src/slabtop.c b/src/slabtop.c
new file mode 100644
index 0000000..e415218
--- /dev/null
+++ b/src/slabtop.c
@@ -0,0 +1,386 @@
+/*
+ * slabtop.c - utility to display kernel slab information.
+ *
+ * Chris Rivera <cmrivera@ufl.edu>
+ * Robert Love <rml@tech9.net>
+ *
+ * Copyright (C) 2003 Chris Rivera
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <getopt.h>
+#include <locale.h>
+#include <ncurses.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+
+#include <sys/ioctl.h>
+#include <sys/select.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "c.h"
+#include "fileutils.h"
+#include "nls.h"
+#include "strutils.h"
+
+#include <proc/slabinfo.h>
+
+#define DEFAULT_SORT  SLAB_NUM_OBJS
+#define CHAINS_ALLOC  150
+#define MAXTBL(t) (int)( sizeof(t) / sizeof(t[0]) )
+#define DEFAULT_DELAY 3
+
+static unsigned short Cols, Rows;
+static struct termios Saved_tty;
+static long Delay = 0;
+static int Run_once = 0;
+
+static struct slabinfo_info *Slab_info;
+
+enum slabinfo_item Sort_item = DEFAULT_SORT;
+enum slabinfo_sort_order Sort_Order = SLABINFO_SORT_DESCEND;
+
+enum slabinfo_item Node_items[] = {
+    SLAB_NUM_OBJS,   SLAB_ACTIVE_OBJS, SLAB_PERCENT_USED,
+    SLAB_OBJ_SIZE,   SLAB_NUMS_SLABS,  SLAB_OBJ_PER_SLAB,
+    SLAB_SIZE_TOTAL, SLAB_NAME,
+    /* next 2 are sortable but are not displayable,
+       thus they need not be represented in the Relative_enums */
+    SLAB_PAGES_PER_SLAB, SLAB_ACTIVE_SLABS };
+
+enum Relative_node {
+    nod_OBJS,  nod_AOBJS, nod_USE,  nod_OSIZE,
+    nod_SLABS, nod_OPS,   nod_SIZE, nod_NAME };
+
+#define MAX_ITEMS (int)(sizeof(Node_items) / sizeof(Node_items[0]))
+
+#define PRINT_line(fmt, ...) if (Run_once) printf(fmt, __VA_ARGS__); else printw(fmt, __VA_ARGS__)
+
+
+/*
+ * term_resize - set the globals 'Cols' and 'Rows' to the current terminal size
+ */
+static void term_resize (int unusused __attribute__ ((__unused__)))
+{
+    struct winsize ws;
+
+    if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1) && ws.ws_row > 10) {
+        Cols = ws.ws_col;
+        Rows = ws.ws_row;
+    } else {
+        Cols = 80;
+        Rows = 24;
+    }
+}
+
+static void sigint_handler (int unused __attribute__ ((__unused__)))
+{
+    Delay = 0;
+}
+
+static void __attribute__((__noreturn__)) usage (FILE *out)
+{
+    fputs(USAGE_HEADER, out);
+    fprintf(out, _(" %s [options]\n"), program_invocation_short_name);
+    fputs(USAGE_OPTIONS, out);
+    fputs(_(" -d, --delay <secs>  delay updates\n"), out);
+    fputs(_(" -o, --once          only display once, then exit\n"), out);
+    fputs(_(" -s, --sort <char>   specify sort criteria by character (see below)\n"), out);
+    fputs(USAGE_SEPARATOR, out);
+    fputs(USAGE_HELP, out);
+    fputs(USAGE_VERSION, out);
+
+    fputs(_("\nThe following are valid sort criteria:\n"), out);
+    fputs(_(" a: sort by number of active objects\n"), out);
+    fputs(_(" b: sort by objects per slab\n"), out);
+    fputs(_(" c: sort by cache size\n"), out);
+    fputs(_(" l: sort by number of slabs\n"), out);
+    fputs(_(" v: sort by (non display) number of active slabs\n"), out);
+    fputs(_(" n: sort by name\n"), out);
+    fputs(_(" o: sort by number of objects (the default)\n"), out);
+    fputs(_(" p: sort by (non display) pages per slab\n"), out);
+    fputs(_(" s: sort by object size\n"), out);
+    fputs(_(" u: sort by cache utilization\n"), out);
+    fprintf(out, USAGE_MAN_TAIL("slabtop(1)"));
+
+    exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
+}
+
+static void set_sort_stuff (const char key)
+{
+    Sort_item = DEFAULT_SORT;
+    Sort_Order = SLABINFO_SORT_DESCEND;
+
+    switch (tolower(key)) {
+    case 'n':
+        Sort_item = SLAB_NAME;
+        Sort_Order = SLABINFO_SORT_ASCEND;
+        break;
+    case 'o':
+        Sort_item = SLAB_NUM_OBJS;
+        break;
+    case 'a':
+        Sort_item = SLAB_ACTIVE_OBJS;
+        break;
+    case 's':
+        Sort_item = SLAB_OBJ_SIZE;
+        break;
+    case 'b':
+        Sort_item = SLAB_OBJ_PER_SLAB;
+        break;
+    case 'p':
+        Sort_item = SLAB_PAGES_PER_SLAB;
+        break;
+    case 'l':
+        Sort_item = SLAB_NUMS_SLABS;
+        break;
+    case 'v':
+        Sort_item = SLAB_ACTIVE_SLABS;
+        break;
+    case 'c':
+        Sort_item = SLAB_SIZE_TOTAL;
+        break;
+    case 'u':
+        Sort_item = SLAB_PERCENT_USED;
+        break;
+    default:
+        break;
+    }
+}
+
+static void parse_opts (int argc, char **argv)
+{
+    static const struct option longopts[] = {
+        { "delay",   required_argument, NULL, 'd' },
+        { "sort",    required_argument, NULL, 's' },
+        { "once",    no_argument,       NULL, 'o' },
+        { "help",    no_argument,       NULL, 'h' },
+        { "version", no_argument,       NULL, 'V' },
+        {  NULL,     0,                 NULL,  0  }};
+    int o;
+
+    while ((o = getopt_long(argc, argv, "d:s:ohV", longopts, NULL)) != -1) {
+        switch (o) {
+        case 'd':
+	    if (Run_once)
+		xerrx(EXIT_FAILURE, _("Cannot combine -d and -o options"));
+            errno = 0;
+            Delay = strtol_or_err(optarg, _("illegal delay"));
+            if (Delay < 1)
+                xerrx(EXIT_FAILURE, _("delay must be positive integer"));
+            break;
+        case 's':
+            set_sort_stuff(optarg[0]);
+            break;
+        case 'o':
+	    if (Delay != 0)
+		xerrx(EXIT_FAILURE, _("Cannot combine -d and -o options"));
+            Run_once=1;
+            break;
+        case 'V':
+            printf(PROCPS_NG_VERSION);
+            exit(EXIT_SUCCESS);
+        case 'h':
+            usage(stdout);
+        default:
+            usage(stderr);
+        }
+    }
+    if (optind != argc)
+        usage(stderr);
+    if (!Run_once && Delay == 0)
+	Delay = DEFAULT_DELAY;
+}
+
+static void print_summary (void)
+{
+ #define totalVAL(e,t) SLABINFO_VAL(e, t, p, Slab_info)
+    enum slabinfo_item items[] = {
+        SLABS_ACTIVE_OBJS,   SLABS_NUM_OBJS,
+        SLABS_ACTIVE_SLABS,  SLABS_NUMS_SLABS,
+        SLABS_CACHES_ACTIVE, SLABS_CACHES_TOTAL,
+        SLABS_SIZE_ACTIVE,   SLABS_SIZE_TOTAL,
+        SLABS_OBJ_SIZE_MIN,  SLABS_OBJ_SIZE_AVG,
+        SLABS_OBJ_SIZE_MAX
+    };
+    enum rel_items {
+        tot_AOBJS,   tot_OBJS,   tot_ASLABS, tot_SLABS,
+        tot_ACACHES, tot_CACHES, tot_ACTIVE, tot_TOTAL,
+        tot_MIN,     tot_AVG,    tot_MAX
+    };
+    struct slabinfo_stack *p;
+
+    if (!(p = procps_slabinfo_select(Slab_info, items, MAXTBL(items))))
+        xerrx(EXIT_FAILURE, _("Error getting slab summary results"));
+
+    PRINT_line(" %-35s: %u / %u (%.1f%%)\n"
+               , /* Translation Hint: Next five strings must not
+                  * exceed a length of 35 characters.  */
+                 /* xgettext:no-c-format */
+                 _("Active / Total Objects (% used)")
+               , totalVAL(tot_AOBJS, u_int)
+               , totalVAL(tot_OBJS,  u_int)
+               , 100.0 * totalVAL(tot_AOBJS, u_int) / totalVAL(tot_OBJS, u_int));
+    PRINT_line(" %-35s: %u / %u (%.1f%%)\n"
+               , /* xgettext:no-c-format */
+                 _("Active / Total Slabs (% used)")
+               , totalVAL(tot_ASLABS, u_int)
+               , totalVAL(tot_SLABS,  u_int)
+               , 100.0 * totalVAL(tot_ASLABS, u_int) / totalVAL(tot_SLABS, u_int));
+    PRINT_line(" %-35s: %u / %u (%.1f%%)\n"
+               , /* xgettext:no-c-format */
+                 _("Active / Total Caches (% used)")
+               , totalVAL(tot_ACACHES, u_int)
+               , totalVAL(tot_CACHES,  u_int)
+               , 100.0 * totalVAL(tot_ACACHES, u_int) / totalVAL(tot_CACHES, u_int));
+    PRINT_line(" %-35s: %.2fK / %.2fK (%.1f%%)\n"
+               , /* xgettext:no-c-format */
+                 _("Active / Total Size (% used)")
+               , totalVAL(tot_ACTIVE, ul_int) / 1024.0
+               , totalVAL(tot_TOTAL,  ul_int) / 1024.0
+               , 100.0 * totalVAL(tot_ACTIVE, ul_int) / totalVAL(tot_TOTAL, ul_int));
+    PRINT_line(" %-35s: %.2fK / %.2fK / %.2fK\n\n"
+               , _("Minimum / Average / Maximum Object")
+               , totalVAL(tot_MIN, u_int) / 1024.0
+               , totalVAL(tot_AVG, u_int) / 1024.0
+               , totalVAL(tot_MAX, u_int) / 1024.0);
+ #undef totalVAL
+}
+
+static void print_headings (void)
+{
+    /* Translation Hint: Please keep alignment of the
+     * following intact. */
+    PRINT_line("%-78s\n", _("  OBJS ACTIVE  USE OBJ SIZE  SLABS OBJ/SLAB CACHE SIZE NAME"));
+}
+
+static void print_details (struct slabinfo_stack *stack)
+{
+ #define nodeVAL(e,t) SLABINFO_VAL(e, t, stack, Slab_info)
+    PRINT_line("%6u %6u %3u%% %7.2fK %6u %8u %9luK %-23s\n"
+        , nodeVAL(nod_OBJS,  u_int)
+        , nodeVAL(nod_AOBJS, u_int)
+        , nodeVAL(nod_USE,   u_int)
+        , nodeVAL(nod_OSIZE, u_int) / 1024.0
+        , nodeVAL(nod_SLABS, u_int)
+        , nodeVAL(nod_OPS,   u_int)
+        , nodeVAL(nod_SIZE,  ul_int) / 1024
+        , nodeVAL(nod_NAME,  str));
+
+    return;
+ #undef nodeVAL
+}
+
+
+int main(int argc, char *argv[])
+{
+    int is_tty, rc = EXIT_SUCCESS;
+    unsigned short old_rows;
+
+#ifdef HAVE_PROGRAM_INVOCATION_NAME
+    program_invocation_name = program_invocation_short_name;
+#endif
+    setlocale (LC_ALL, "");
+    bindtextdomain(PACKAGE, LOCALEDIR);
+    textdomain(PACKAGE);
+    atexit(close_stdout);
+
+    parse_opts(argc, argv);
+
+    if (procps_slabinfo_new(&Slab_info) < 0)
+        xerr(EXIT_FAILURE, _("Unable to create slabinfo structure"));
+
+    if (!Run_once) {
+        is_tty = isatty(STDIN_FILENO);
+        if (is_tty && tcgetattr(STDIN_FILENO, &Saved_tty) == -1)
+            xwarn(_("terminal setting retrieval"));
+        old_rows = Rows;
+        term_resize(0);
+        initscr();
+        resizeterm(Rows, Cols);
+        signal(SIGWINCH, term_resize);
+        signal(SIGINT, sigint_handler);
+    }
+
+    do {
+        struct slabinfo_reaped *reaped;
+        struct timeval tv;
+        fd_set readfds;
+        int i;
+
+        if (!(reaped = procps_slabinfo_reap(Slab_info, Node_items, MAXTBL(Node_items)))) {
+            xwarn(_("Unable to get slabinfo node data"));
+            rc = EXIT_FAILURE;
+            break;
+        }
+
+        if (!(procps_slabinfo_sort(Slab_info, reaped->stacks, reaped->total, Sort_item, Sort_Order))) {
+            xwarn(_("Unable to sort slab nodes"));
+            rc = EXIT_FAILURE;
+            break;
+        }
+
+        if (Run_once) {
+            print_summary();
+            print_headings();
+            for (i = 0; i < reaped->total; i++)
+                print_details(reaped->stacks[i]);
+            break;
+        }
+
+        if (old_rows != Rows) {
+            resizeterm(Rows, Cols);
+            old_rows = Rows;
+        }
+        move(0, 0);
+        print_summary();
+        attron(A_REVERSE);
+        print_headings();
+        attroff(A_REVERSE);
+
+        for (i = 0; i < Rows - 8 && i < reaped->total; i++)
+            print_details(reaped->stacks[i]);
+
+        refresh();
+        FD_ZERO(&readfds);
+        FD_SET(STDIN_FILENO, &readfds);
+        tv.tv_sec = Delay;
+        tv.tv_usec = 0;
+        if (select(STDOUT_FILENO, &readfds, NULL, NULL, &tv) > 0) {
+            char c;
+            if (read(STDIN_FILENO, &c, 1) != 1
+            || (c == 'Q' || c == 'q'))
+                break;
+            set_sort_stuff(c);
+        }
+    // made zero by sigint_handler()
+    } while (Delay);
+
+    if (!Run_once) {
+        if (is_tty)
+            tcsetattr(STDIN_FILENO, TCSAFLUSH, &Saved_tty);
+        endwin();
+    }
+    procps_slabinfo_unref(&Slab_info);
+    return rc;
+}