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 #pragma ident "%Z%%M% %I% %E% SMI"
27
28 #include <procfs.h>
29 #include <project.h>
30 #include <stdlib.h>
31 #include <strings.h>
32 #include <zone.h>
33 #include <libzonecfg.h>
34 #include "rcapd.h"
35 #include "utils.h"
36
37 extern boolean_t gz_capped;
38
39 /* round up to next y = 2^n */
40 #define ROUNDUP(x, y) (((x) + ((y) - 1)) & ~((y) - 1))
41
42 static void
update_zone(zone_entry_t * zent,void * walk_data)43 update_zone(zone_entry_t *zent, void *walk_data)
44 {
45 void(*update_notification_cb)(char *, char *, int, uint64_t, int) =
46 (void(*)(char *, char *, int, uint64_t, int))walk_data;
47 int changes;
48 int64_t max_rss;
49 uint64_t mcap;
50 lcollection_t *lcol;
51 rcid_t colid;
52
53 if (zone_getattr(zent->zid, ZONE_ATTR_PHYS_MCAP, &mcap,
54 sizeof (mcap)) != -1 && mcap != 0)
55 max_rss = ROUNDUP(mcap, 1024) / 1024;
56 else
57 max_rss = 0;
58
59 if (zent->zid == GLOBAL_ZONEID) {
60 if (max_rss > 0)
61 gz_capped = B_TRUE;
62 else
63 gz_capped = B_FALSE;
64 }
65
66
67 colid.rcid_type = RCIDT_ZONE;
68 colid.rcid_val = zent->zid;
69
70 lcol = lcollection_insert_update(&colid, max_rss, zent->zname,
71 &changes);
72 if (update_notification_cb != NULL)
73 update_notification_cb("zone", zent->zname, changes, max_rss,
74 (lcol != NULL) ? lcol->lcol_mark : 0);
75 }
76
77
78 /* ARGSUSED */
79 void
lcollection_update_zone(lcollection_update_type_t ut,void (* update_notification_cb)(char *,char *,int,uint64_t,int))80 lcollection_update_zone(lcollection_update_type_t ut,
81 void(*update_notification_cb)(char *, char *, int, uint64_t, int))
82 {
83 int i;
84 uint_t nzents;
85 zone_entry_t *zents;
86
87 /*
88 * Enumerate running zones.
89 */
90 if (get_running_zones(&nzents, &zents) != 0)
91 return;
92
93 for (i = 0; i < nzents; i++) {
94 update_zone(&zents[i], (void *)update_notification_cb);
95
96 }
97
98 free(zents);
99 }
100