Attachment 583474 Details for Bug 820500 – Test program to gather host and guest metrics from vhostmd

Test program to gather host and guest metrics from vhostmd

test.c (text/plain), 2.06 KB, created by Dinakar Guniguntala on 2012-05-10 08:36:39 UTC

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Creator: Dinakar Guniguntala

Created: 2012-05-10 08:36:39 UTC

Size: 2.06 KB

patch

obsolete

>/*
> * This program is free software; you can redistribute it and/or modify
> * it under the terms of the GNU General Public License, version 2, as
> * published by the Free Software Foundation.
> *
> * This program 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 General Public License for more details.
> *
> * You should have received a copy of the GNU General Public License
> * along with this program; if not, write to the Free Software
> * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
> *
> * Copyright IBM Corp. 2012
> *
> * Test program to gather host and guest metrics from vhostmd
> *
> * Author: Dinakar Guniguntala <dino@in.ibm.com>
> */
>#include <stdio.h>
>#include <stdlib.h>
>#include <dlfcn.h>
>#include <vhostmd/libmetrics.h>
>
>#define METRICS_LIB "libmetrics.so"
>#define XML2_LIB "libxml2.so"
>
>int
>main(int argc, char **argv)
>{
>	metric *m;
>	char *error;
>	void *metrics, *xml2;
>
>	int (*get_metric)(const char *name, metric **rec, metric_context context);
>	void (*metric_free)(metric *);
>
>	xml2 = dlopen(XML2_LIB, RTLD_NOW|RTLD_GLOBAL);
>	if (!xml2) {
>		fprintf(stderr, "%s\n", dlerror());
>		exit(-1);
>	}
>
>	metrics = dlopen(METRICS_LIB, RTLD_NOW);
>	if (!metrics) {
>		fprintf(stderr, "%s\n", dlerror());
>		exit(-1);
>	}
>
>	dlerror();
>
>	get_metric = dlsym(metrics, "get_metric");
>	if ((error = dlerror()) != NULL) {
>		fprintf(stderr, "%s\n", error);
>		exit(-1);
>	}
>	metric_free = dlsym(metrics, "metric_free");
>	if ((error = dlerror()) != NULL) {
>		fprintf(stderr, "%s\n", error);
>		exit(-1);
>	}
>
>	if (get_metric("TotalCPUTime", &m, METRIC_CONTEXT_HOST) == 0) {
>		printf("Host: TotalCPUTime: %12.2f\n", m->value.r64);
>	}
>	else {
>		printf("Host: TotalCPUTime: metric not found\n");
>	}
>	metric_free(m);
>	
>	if (get_metric("TotalCPUTime", &m, METRIC_CONTEXT_VM) == 0) {
>		printf("VM: TotalCPUTime: %12.2f\n", m->value.r64);
>	}
>	else {
>		printf("VM: TotalCPUTime: metric not found\n");
>	}
>	metric_free(m);
>	
>	dlclose(xml2);
>	dlclose(metrics);
>	exit(0);
>}

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Attachments on bug 820500: 583474 | 583488 | 583641