1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #include <procfs.h>
27 #include <project.h>
28 #include <stdlib.h>
29 #include <strings.h>
30 #include <zone.h>
31 #include <libzonecfg.h>
32 #include "rcapd.h"
33 #include "utils.h"
34
35 extern boolean_t gz_capped;
36
37 /* round up to next y = 2^n */
38 #define ROUNDUP(x, y) (((x) + ((y) - 1)) & ~((y) - 1))
39
40 static void
update_zone(zone_entry_t * zent,void * walk_data)41 update_zone(zone_entry_t *zent, void *walk_data)
42 {
43 void(*update_notification_cb)(char *, char *, int, uint64_t, int) =
44 (void(*)(char *, char *, int, uint64_t, int))walk_data;
45 int changes;
46 int64_t max_rss;
47 uint64_t mcap;
48 lcollection_t *lcol;
49 rcid_t colid;
50
51 if (zone_getattr(zent->zid, ZONE_ATTR_PHYS_MCAP, &mcap,
52 sizeof (mcap)) != -1 && mcap != 0)
53 max_rss = ROUNDUP(mcap, 1024) / 1024;
54 else
55 max_rss = 0;
56
57 if (zent->zid == GLOBAL_ZONEID) {
58 if (max_rss > 0)
59 gz_capped = B_TRUE;
60 else
61 gz_capped = B_FALSE;
62 }
63
64
65 colid.rcid_type = RCIDT_ZONE;
66 colid.rcid_val = zent->zid;
67
68 lcol = lcollection_insert_update(&colid, max_rss, zent->zname,
69 &changes);
70 if (update_notification_cb != NULL)
71 update_notification_cb("zone", zent->zname, changes, max_rss,
72 (lcol != NULL) ? lcol->lcol_mark : 0);
73 }
74
75
76 /* ARGSUSED */
77 void
lcollection_update_zone(lcollection_update_type_t ut,void (* update_notification_cb)(char *,char *,int,uint64_t,int))78 lcollection_update_zone(lcollection_update_type_t ut,
79 void(*update_notification_cb)(char *, char *, int, uint64_t, int))
80 {
81 int i;
82 uint_t nzents;
83 zone_entry_t *zents;
84
85 /*
86 * Enumerate running zones.
87 */
88 if (get_running_zones(&nzents, &zents) != 0)
89 return;
90
91 for (i = 0; i < nzents; i++) {
92 update_zone(&zents[i], (void *)update_notification_cb);
93
94 }
95
96 free(zents);
97 }
98