struct domain_disk_info_list *libvirt_domain_disk_info_list() {
int i;
struct domain_disk_info_list *domain_disk_info_list = (struct domain_disk_info_list *) calloc(1, sizeof(struct domain_disk_info_list));
domain_disk_info_list->num_domains = nr_domains;
domain_disk_info_list->domain_disk_info = (struct domain_disk_info *) calloc(nr_domains, sizeof(struct domain_disk_info));
for(i = 0; i < nr_block_devices; ++i) {
struct _virDomainBlockStats stats;
if(virDomainBlockStats(block_devices[i].dom, block_devices[i].path, &stats, sizeof stats) != 0)
continue;
domain_disk_info_list->domain_disk_info[i].domain_name = strdup(virDomainGetName(domains[i]));
domain_disk_info_list->domain_disk_info[i].domain_id = virDomainGetID(domains[i]);
domain_disk_info_list->domain_disk_info[i].domain_vblock_rreq = (unsigned long long) stats.rd_req;
domain_disk_info_list->domain_disk_info[i].domain_vblock_wreq = (unsigned long long) stats.wr_req;
domain_disk_info_list->domain_disk_info[i].domain_vblock_rbytes = (unsigned long long) stats.rd_bytes;
domain_disk_info_list->domain_disk_info[i].domain_vblock_wbytes = (unsigned long long) stats.wr_bytes;
}
return domain_disk_info_list;
}
int libvirt_read_stats(void) {
int i;
printf("Num Domains : %d .. \n", nr_domains);
for(i = 0; i < nr_domains; ++i) {
//virDomainInfo info;
virVcpuInfoPtr vinfo = NULL;
int j;
if(virDomainGetInfo(domains[i], &vir_domain_info) != 0)
continue;
vinfo = malloc(vir_domain_info.nrVirtCpu * sizeof vinfo[0]);
if(vinfo == NULL){
printf("libvirt plugin malloc failed ..\n");
continue;
}
if(virDomainGetVcpus(domains[i], vinfo, vir_domain_info.nrVirtCpu, NULL, 0) != 0) {
free(vinfo);
continue;
}
for(j = 0; j < vir_domain_info.nrVirtCpu; j++) {
printf("VCPU number : %u .. \n", (unsigned int) vinfo[j].number);
printf("VCPU time : %llu .. \n", (unsigned long long) vinfo[j].cpuTime);
}
free(vinfo);
}
printf("Num Block Devices : %d .. \n", nr_block_devices);
for(i = 0; i < nr_block_devices; ++i) {
struct _virDomainBlockStats stats;
if(virDomainBlockStats(block_devices[i].dom, block_devices[i].path, &stats, sizeof stats) != 0)
continue;
if((stats.rd_req != -1) && (stats.wr_req != -1)) {
printf("Read reqs : %llu \n", (unsigned long long) stats.rd_req);
printf("Write reqs : %llu \n", (unsigned long long) stats.wr_req);
}
if((stats.rd_bytes != -1) && (stats.rd_bytes != -1)) {
printf("Read bytes : %llu \n", (unsigned long long) stats.rd_bytes);
printf("Write bytes : %llu \n", (unsigned long long) stats.wr_bytes);
}
}
printf("Num Interface Devices : %d .. \n", nr_interface_devices);
for(i = 0; i < nr_interface_devices; ++i) {
struct _virDomainInterfaceStats stats;
if(virDomainInterfaceStats(interface_devices[i].dom, interface_devices[i].path, &stats, sizeof stats) != 0)
continue;
if((stats.rx_bytes != -1) && (stats.tx_bytes != -1)) {
printf("Recieved bytes : %llu \n", (unsigned long long) stats.rx_bytes);
printf("Transmitted bytes : %llu \n", (unsigned long long) stats.tx_bytes);
}
if((stats.rx_packets != -1) && (stats.tx_packets != -1)) {
printf("Recieved packets : %llu \n", (unsigned long long) stats.rx_packets);
printf("Transmitted packets : %llu \n",(unsigned long long) stats.tx_packets);
}
if((stats.rx_errs != -1) && (stats.tx_errs != -1)) {
printf("Recieved errors : %llu \n", (unsigned long long) stats.rx_errs);
printf("Transmitted errors : %llu \n", (unsigned long long) stats.tx_errs);
}
if((stats.rx_drop != -1) && (stats.tx_drop != -1)) {
printf("Recieved dropped : %ll \n", (unsigned long long) stats.rx_drop);
printf("Transmitted dropped : %ll \n", (unsigned long long) stats.tx_drop);
}
}
}
static int
lv_read (void)
{
time_t t;
int i;
if (conn == NULL) {
ERROR ("libvirt plugin: Not connected. Use Connection in "
"config file to supply connection URI. For more information "
"see <http://libvirt.org/uri.html>");
return -1;
}
time (&t);
/* Need to refresh domain or device lists? */
if ((last_refresh == (time_t) 0) ||
((interval > 0) && ((last_refresh + interval) <= t))) {
if (refresh_lists () != 0)
return -1;
last_refresh = t;
}
#if 0
for (i = 0; i < nr_domains; ++i)
fprintf (stderr, "domain %s\n", virDomainGetName (domains[i]));
for (i = 0; i < nr_block_devices; ++i)
fprintf (stderr, "block device %d %s:%s\n",
i, virDomainGetName (block_devices[i].dom),
block_devices[i].path);
for (i = 0; i < nr_interface_devices; ++i)
fprintf (stderr, "interface device %d %s:%s\n",
i, virDomainGetName (interface_devices[i].dom),
interface_devices[i].path);
#endif
/* Get CPU usage, VCPU usage for each domain. */
for (i = 0; i < nr_domains; ++i) {
virDomainInfo info;
virVcpuInfoPtr vinfo = NULL;
int j;
if (virDomainGetInfo (domains[i], &info) != 0)
continue;
cpu_submit (info.cpuTime, t, domains[i], "virt_cpu_total");
vinfo = malloc (info.nrVirtCpu * sizeof vinfo[0]);
if (vinfo == NULL) {
ERROR ("libvirt plugin: malloc failed.");
continue;
}
if (virDomainGetVcpus (domains[i], vinfo, info.nrVirtCpu,
NULL, 0) != 0) {
free (vinfo);
continue;
}
for (j = 0; j < info.nrVirtCpu; ++j)
vcpu_submit (vinfo[j].cpuTime,
t, domains[i], vinfo[j].number, "virt_vcpu");
free (vinfo);
}
/* Get block device stats for each domain. */
for (i = 0; i < nr_block_devices; ++i) {
struct _virDomainBlockStats stats;
if (virDomainBlockStats (block_devices[i].dom, block_devices[i].path,
&stats, sizeof stats) != 0)
continue;
if ((stats.rd_req != -1) && (stats.wr_req != -1))
submit_counter2 ("disk_ops",
(counter_t) stats.rd_req, (counter_t) stats.wr_req,
t, block_devices[i].dom, block_devices[i].path);
if ((stats.rd_bytes != -1) && (stats.wr_bytes != -1))
submit_counter2 ("disk_octets",
(counter_t) stats.rd_bytes, (counter_t) stats.wr_bytes,
t, block_devices[i].dom, block_devices[i].path);
} /* for (nr_block_devices) */
/* Get interface stats for each domain. */
for (i = 0; i < nr_interface_devices; ++i) {
struct _virDomainInterfaceStats stats;
if (virDomainInterfaceStats (interface_devices[i].dom,
interface_devices[i].path,
&stats, sizeof stats) != 0)
continue;
if ((stats.rx_bytes != -1) && (stats.tx_bytes != -1))
submit_counter2 ("if_octets",
(counter_t) stats.rx_bytes, (counter_t) stats.tx_bytes,
t, interface_devices[i].dom, interface_devices[i].path);
if ((stats.rx_packets != -1) && (stats.tx_packets != -1))
submit_counter2 ("if_packets",
(counter_t) stats.rx_packets, (counter_t) stats.tx_packets,
t, interface_devices[i].dom, interface_devices[i].path);
if ((stats.rx_errs != -1) && (stats.tx_errs != -1))
submit_counter2 ("if_errors",
(counter_t) stats.rx_errs, (counter_t) stats.tx_errs,
t, interface_devices[i].dom, interface_devices[i].path);
if ((stats.rx_drop != -1) && (stats.tx_drop != -1))
submit_counter2 ("if_dropped",
(counter_t) stats.rx_drop, (counter_t) stats.tx_drop,
t, interface_devices[i].dom, interface_devices[i].path);
} /* for (nr_interface_devices) */
return 0;
}
static int
lv_read (void)
{
time_t t;
int i;
if (conn == NULL) {
/* `conn_string == NULL' is acceptable. */
conn = virConnectOpenReadOnly (conn_string);
if (conn == NULL) {
c_complain (LOG_ERR, &conn_complain,
PLUGIN_NAME " plugin: Unable to connect: "
"virConnectOpenReadOnly failed.");
return -1;
}
}
c_release (LOG_NOTICE, &conn_complain,
PLUGIN_NAME " plugin: Connection established.");
time (&t);
/* Need to refresh domain or device lists? */
if ((last_refresh == (time_t) 0) ||
((interval > 0) && ((last_refresh + interval) <= t))) {
if (refresh_lists () != 0) {
if (conn != NULL)
virConnectClose (conn);
conn = NULL;
return -1;
}
last_refresh = t;
}
#if 0
for (i = 0; i < nr_domains; ++i)
fprintf (stderr, "domain %s\n", virDomainGetName (domains[i]));
for (i = 0; i < nr_block_devices; ++i)
fprintf (stderr, "block device %d %s:%s\n",
i, virDomainGetName (block_devices[i].dom),
block_devices[i].path);
for (i = 0; i < nr_interface_devices; ++i)
fprintf (stderr, "interface device %d %s:%s\n",
i, virDomainGetName (interface_devices[i].dom),
interface_devices[i].path);
#endif
/* Get CPU usage, memory, VCPU usage for each domain. */
for (i = 0; i < nr_domains; ++i) {
virDomainInfo info;
virVcpuInfoPtr vinfo = NULL;
virDomainMemoryStatPtr minfo = NULL;
int status;
int j;
status = virDomainGetInfo (domains[i], &info);
if (status != 0)
{
ERROR (PLUGIN_NAME " plugin: virDomainGetInfo failed with status %i.",
status);
continue;
}
if (info.state != VIR_DOMAIN_RUNNING)
{
/* only gather stats for running domains */
continue;
}
cpu_submit (info.cpuTime, domains[i], "virt_cpu_total");
memory_submit ((gauge_t) info.memory * 1024, domains[i]);
vinfo = malloc (info.nrVirtCpu * sizeof (vinfo[0]));
if (vinfo == NULL) {
ERROR (PLUGIN_NAME " plugin: malloc failed.");
continue;
}
status = virDomainGetVcpus (domains[i], vinfo, info.nrVirtCpu,
/* cpu map = */ NULL, /* cpu map length = */ 0);
if (status < 0)
{
ERROR (PLUGIN_NAME " plugin: virDomainGetVcpus failed with status %i.",
status);
sfree (vinfo);
continue;
}
for (j = 0; j < info.nrVirtCpu; ++j)
vcpu_submit (vinfo[j].cpuTime,
domains[i], vinfo[j].number, "virt_vcpu");
sfree (vinfo);
minfo = malloc (VIR_DOMAIN_MEMORY_STAT_NR * sizeof (virDomainMemoryStatStruct));
if (minfo == NULL) {
ERROR ("virt plugin: malloc failed.");
continue;
}
status = virDomainMemoryStats (domains[i], minfo, VIR_DOMAIN_MEMORY_STAT_NR, 0);
if (status < 0) {
ERROR ("virt plugin: virDomainMemoryStats failed with status %i.",
status);
sfree (minfo);
continue;
}
for (j = 0; j < status; j++) {
memory_stats_submit ((gauge_t) minfo[j].val * 1024, domains[i], minfo[j].tag);
}
sfree (minfo);
}
/* Get block device stats for each domain. */
for (i = 0; i < nr_block_devices; ++i) {
struct _virDomainBlockStats stats;
if (virDomainBlockStats (block_devices[i].dom, block_devices[i].path,
&stats, sizeof stats) != 0)
continue;
if ((stats.rd_req != -1) && (stats.wr_req != -1))
submit_derive2 ("disk_ops",
(derive_t) stats.rd_req, (derive_t) stats.wr_req,
block_devices[i].dom, block_devices[i].path);
if ((stats.rd_bytes != -1) && (stats.wr_bytes != -1))
submit_derive2 ("disk_octets",
(derive_t) stats.rd_bytes, (derive_t) stats.wr_bytes,
block_devices[i].dom, block_devices[i].path);
} /* for (nr_block_devices) */
/* Get interface stats for each domain. */
for (i = 0; i < nr_interface_devices; ++i) {
struct _virDomainInterfaceStats stats;
char *display_name = NULL;
switch (interface_format) {
case if_address:
display_name = interface_devices[i].address;
break;
case if_number:
display_name = interface_devices[i].number;
break;
case if_name:
default:
display_name = interface_devices[i].path;
}
if (virDomainInterfaceStats (interface_devices[i].dom,
interface_devices[i].path,
&stats, sizeof stats) != 0)
continue;
if ((stats.rx_bytes != -1) && (stats.tx_bytes != -1))
submit_derive2 ("if_octets",
(derive_t) stats.rx_bytes, (derive_t) stats.tx_bytes,
interface_devices[i].dom, display_name);
if ((stats.rx_packets != -1) && (stats.tx_packets != -1))
submit_derive2 ("if_packets",
(derive_t) stats.rx_packets, (derive_t) stats.tx_packets,
interface_devices[i].dom, display_name);
if ((stats.rx_errs != -1) && (stats.tx_errs != -1))
submit_derive2 ("if_errors",
(derive_t) stats.rx_errs, (derive_t) stats.tx_errs,
interface_devices[i].dom, display_name);
if ((stats.rx_drop != -1) && (stats.tx_drop != -1))
submit_derive2 ("if_dropped",
(derive_t) stats.rx_drop, (derive_t) stats.tx_drop,
interface_devices[i].dom, display_name);
} /* for (nr_interface_devices) */
return 0;
}
static int
lv_read (void)
{
time_t t;
int i;
if (conn == NULL) {
/* `conn_string == NULL' is acceptable. */
conn = virConnectOpenReadOnly (conn_string);
if (conn == NULL) {
c_complain (LOG_ERR, &conn_complain,
"libvirt plugin: Unable to connect: "
"virConnectOpenReadOnly failed.");
return -1;
}
}
c_release (LOG_NOTICE, &conn_complain,
"libvirt plugin: Connection established.");
time (&t);
/* Need to refresh domain or device lists? */
if ((last_refresh == (time_t) 0) ||
((interval > 0) && ((last_refresh + interval) <= t))) {
if (refresh_lists () != 0) {
if (conn != NULL)
virConnectClose (conn);
conn = NULL;
return -1;
}
last_refresh = t;
}
#if 0
for (i = 0; i < nr_domains; ++i)
fprintf (stderr, "domain %s\n", virDomainGetName (domains[i]));
for (i = 0; i < nr_block_devices; ++i)
fprintf (stderr, "block device %d %s:%s\n",
i, virDomainGetName (block_devices[i].dom),
block_devices[i].path);
for (i = 0; i < nr_interface_devices; ++i)
fprintf (stderr, "interface device %d %s:%s\n",
i, virDomainGetName (interface_devices[i].dom),
interface_devices[i].path);
#endif
/* Get CPU usage, VCPU usage for each domain. */
for (i = 0; i < nr_domains; ++i) {
virDomainInfo info;
virVcpuInfoPtr vinfo = NULL;
int j;
if (virDomainGetInfo (domains[i], &info) != 0)
continue;
cpu_submit (info.cpuTime, domains[i], "virt_cpu_total");
vinfo = malloc (info.nrVirtCpu * sizeof vinfo[0]);
if (vinfo == NULL) {
ERROR ("libvirt plugin: malloc failed.");
continue;
}
if (virDomainGetVcpus (domains[i], vinfo, info.nrVirtCpu,
NULL, 0) != 0) {
sfree (vinfo);
continue;
}
for (j = 0; j < info.nrVirtCpu; ++j)
vcpu_submit (vinfo[j].cpuTime,
domains[i], vinfo[j].number, "virt_vcpu");
sfree (vinfo);
}
/* Get block device stats for each domain. */
for (i = 0; i < nr_block_devices; ++i) {
struct _virDomainBlockStats stats;
if (virDomainBlockStats (block_devices[i].dom, block_devices[i].path,
&stats, sizeof stats) != 0)
continue;
if ((stats.rd_req != -1) && (stats.wr_req != -1))
submit_derive2 ("disk_ops",
(derive_t) stats.rd_req, (derive_t) stats.wr_req,
block_devices[i].dom, block_devices[i].path);
if ((stats.rd_bytes != -1) && (stats.wr_bytes != -1))
submit_derive2 ("disk_octets",
(derive_t) stats.rd_bytes, (derive_t) stats.wr_bytes,
block_devices[i].dom, block_devices[i].path);
} /* for (nr_block_devices) */
/* Get interface stats for each domain. */
for (i = 0; i < nr_interface_devices; ++i) {
struct _virDomainInterfaceStats stats;
char *display_name = interface_devices[i].path;
if (interface_format == if_address)
display_name = interface_devices[i].address;
if (virDomainInterfaceStats (interface_devices[i].dom,
interface_devices[i].path,
&stats, sizeof stats) != 0)
continue;
if ((stats.rx_bytes != -1) && (stats.tx_bytes != -1))
submit_derive2 ("if_octets",
(derive_t) stats.rx_bytes, (derive_t) stats.tx_bytes,
interface_devices[i].dom, display_name);
if ((stats.rx_packets != -1) && (stats.tx_packets != -1))
submit_derive2 ("if_packets",
(derive_t) stats.rx_packets, (derive_t) stats.tx_packets,
interface_devices[i].dom, display_name);
if ((stats.rx_errs != -1) && (stats.tx_errs != -1))
submit_derive2 ("if_errors",
(derive_t) stats.rx_errs, (derive_t) stats.tx_errs,
interface_devices[i].dom, display_name);
if ((stats.rx_drop != -1) && (stats.tx_drop != -1))
submit_derive2 ("if_dropped",
(derive_t) stats.rx_drop, (derive_t) stats.tx_drop,
interface_devices[i].dom, display_name);
} /* for (nr_interface_devices) */
return 0;
}
