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15afc4fb18
Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com> Reviewed-by: Jeremy Allison <jra@samba.org> Reviewed-by: Christof Schmitt <cs@samba.org> Autobuild-User(master): Christof Schmitt <cs@samba.org> Autobuild-Date(master): Thu Apr 4 23:39:25 UTC 2019 on sn-devel-144
117 lines
2.7 KiB
C
117 lines
2.7 KiB
C
/*
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samba -- Unix SMB/CIFS implementation.
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Copyright (C) 2001, 2002 by Martin Pool
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "messages.h"
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#include "lib/util/talloc_report.h"
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#ifdef HAVE_MALLINFO
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#include <malloc.h>
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#endif /* HAVE_MALLINFO */
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/**
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* Prepare memory allocation report based on mallinfo()
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**/
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static char *get_mallinfo_report(void *mem_ctx)
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{
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char *report = NULL;
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#ifdef HAVE_MALLINFO
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struct mallinfo mi;
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mi = mallinfo();
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report = talloc_asprintf(mem_ctx,
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"mallinfo:\n"
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" arena: %d\n"
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" ordblks: %d\n"
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" smblks: %d\n"
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" hblks: %d\n"
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" hblkhd: %d\n"
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" usmblks: %d\n"
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" fsmblks: %d\n"
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" uordblks: %d\n"
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" fordblks: %d\n"
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" keepcost: %d\n",
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mi.arena,
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mi.ordblks,
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mi.smblks,
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mi.hblks,
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mi.hblkhd,
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mi.usmblks,
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mi.fsmblks,
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mi.uordblks,
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mi.fordblks,
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mi.keepcost);
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#endif /* HAVE_MALLINFO */
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return report;
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}
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/**
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* Respond to a POOL_USAGE message by sending back string form of memory
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* usage stats.
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**/
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static void msg_pool_usage(struct messaging_context *msg_ctx,
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void *private_data,
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uint32_t msg_type,
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struct server_id src,
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DATA_BLOB *data)
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{
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char *report = NULL;
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char *mreport = NULL;
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int iov_size = 0;
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struct iovec iov[2];
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SMB_ASSERT(msg_type == MSG_REQ_POOL_USAGE);
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DEBUG(2,("Got POOL_USAGE\n"));
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report = talloc_report_str(msg_ctx, NULL);
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if (report != NULL) {
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iov[iov_size].iov_base = report;
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iov[iov_size].iov_len = talloc_get_size(report) - 1;
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iov_size++;
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}
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mreport = get_mallinfo_report(msg_ctx);
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if (mreport != NULL) {
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iov[iov_size].iov_base = mreport;
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iov[iov_size].iov_len = talloc_get_size(mreport) - 1;
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iov_size++;
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}
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if (iov_size) {
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messaging_send_iov(msg_ctx,
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src,
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MSG_POOL_USAGE,
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iov,
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iov_size,
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NULL,
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0);
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}
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TALLOC_FREE(report);
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TALLOC_FREE(mreport);
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}
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/**
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* Register handler for MSG_REQ_POOL_USAGE
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**/
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void register_msg_pool_usage(struct messaging_context *msg_ctx)
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{
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messaging_register(msg_ctx, NULL, MSG_REQ_POOL_USAGE, msg_pool_usage);
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DEBUG(2, ("Registered MSG_REQ_POOL_USAGE\n"));
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}
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