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9f66a93f12
Add a new command "ctdb stats [num]" that prints the [num] most recent statistics intervals collected. (This used to be ctdb commit e6e16fcd5a45ebd3739a8160c8fb5f44494edb9e)
78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*
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ctdb statistics code
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Copyright (C) Ronnie Sahlberg 2010
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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 <string.h>
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#include "lib/tevent/tevent.h"
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#include "../include/ctdb_private.h"
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static void ctdb_statistics_update(struct event_context *ev, struct timed_event *te,
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struct timeval t, void *p)
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{
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struct ctdb_context *ctdb = talloc_get_type(p, struct ctdb_context);
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memmove(&ctdb->statistics_history[1], &ctdb->statistics_history[0], (MAX_STAT_HISTORY-1)*sizeof(struct ctdb_statistics));
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memcpy(&ctdb->statistics_history[0], &ctdb->statistics_current, sizeof(struct ctdb_statistics));
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ctdb->statistics_history[0].statistics_current_time = timeval_current();
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bzero(&ctdb->statistics_current, sizeof(struct ctdb_statistics));
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ctdb->statistics_current.statistics_start_time = timeval_current();
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event_add_timed(ctdb->ev, ctdb, timeval_current_ofs(10, 0), ctdb_statistics_update, ctdb);
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}
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int ctdb_statistics_init(struct ctdb_context *ctdb)
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{
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bzero(&ctdb->statistics, sizeof(struct ctdb_statistics));
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bzero(&ctdb->statistics_current, sizeof(struct ctdb_statistics));
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ctdb->statistics_current.statistics_start_time = timeval_current();
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bzero(ctdb->statistics_history, sizeof(ctdb->statistics_history));
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event_add_timed(ctdb->ev, ctdb, timeval_current_ofs(10, 0), ctdb_statistics_update, ctdb);
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return 0;
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}
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int32_t ctdb_control_get_stat_history(struct ctdb_context *ctdb,
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struct ctdb_req_control *c,
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TDB_DATA *outdata)
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{
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int len;
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struct ctdb_statistics_wire *stat;
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len = offsetof(struct ctdb_statistics_wire, stats) + MAX_STAT_HISTORY*sizeof(struct ctdb_statistics);
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stat = talloc_size(outdata, len);
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if (stat == NULL) {
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DEBUG(DEBUG_ERR,(__location__ " Failed to allocate statistics history structure\n"));
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return -1;
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}
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stat->num = MAX_STAT_HISTORY;
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memcpy(&stat->stats[0], &ctdb->statistics_history[0], sizeof(ctdb->statistics_history));
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outdata->dsize = len;
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outdata->dptr = (uint8_t *)stat;
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return 0;
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}
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