*
* Authors:
* Richard W.M. Jones <rjones@redhat.com>
+ * Przemyslaw Szczerbik <przemyslawx.szczerbik@intel.com>
**/
#include "collectd.h"
#ifdef LIBVIR_CHECK_VERSION
+#if LIBVIR_CHECK_VERSION(0, 9, 2)
+#define HAVE_DOM_REASON 1
+#endif
+
#if LIBVIR_CHECK_VERSION(0, 9, 5)
#define HAVE_BLOCK_STATS_FLAGS 1
+#define HAVE_DOM_REASON_PAUSED_SHUTTING_DOWN 1
+#endif
+
+#if LIBVIR_CHECK_VERSION(0, 9, 10)
+#define HAVE_DISK_ERR 1
#endif
#if LIBVIR_CHECK_VERSION(0, 9, 11)
#define HAVE_CPU_STATS 1
+#define HAVE_DOM_STATE_PMSUSPENDED 1
+#define HAVE_DOM_REASON_RUNNING_WAKEUP 1
+#endif
+
+#if LIBVIR_CHECK_VERSION(1, 0, 1)
+#define HAVE_DOM_REASON_PAUSED_SNAPSHOT 1
+#endif
+
+#if LIBVIR_CHECK_VERSION(1, 1, 1)
+#define HAVE_DOM_REASON_PAUSED_CRASHED 1
+#endif
+
+#if LIBVIR_CHECK_VERSION(1, 2, 9)
+#define HAVE_JOB_STATS 1
+#endif
+
+#if LIBVIR_CHECK_VERSION(1, 2, 10)
+#define HAVE_DOM_REASON_CRASHED 1
+#endif
+
+#if LIBVIR_CHECK_VERSION(1, 2, 11)
+#define HAVE_FS_INFO 1
+#endif
+
+#if LIBVIR_CHECK_VERSION(1, 2, 15)
+#define HAVE_DOM_REASON_PAUSED_STARTING_UP 1
+#endif
+
+#if LIBVIR_CHECK_VERSION(1, 3, 3)
+#define HAVE_PERF_STATS 1
+#define HAVE_DOM_REASON_POSTCOPY 1
#endif
#endif /* LIBVIR_CHECK_VERSION */
"Instances",
"ExtraStats",
-
NULL};
+
+const char *domain_states[] = {
+ [VIR_DOMAIN_NOSTATE] = "no state",
+ [VIR_DOMAIN_RUNNING] = "the domain is running",
+ [VIR_DOMAIN_BLOCKED] = "the domain is blocked on resource",
+ [VIR_DOMAIN_PAUSED] = "the domain is paused by user",
+ [VIR_DOMAIN_SHUTDOWN] = "the domain is being shut down",
+ [VIR_DOMAIN_SHUTOFF] = "the domain is shut off",
+ [VIR_DOMAIN_CRASHED] = "the domain is crashed",
+#ifdef HAVE_DOM_STATE_PMSUSPENDED
+ [VIR_DOMAIN_PMSUSPENDED] =
+ "the domain is suspended by guest power management",
+#endif
+};
+
+#ifdef HAVE_DOM_REASON
+#define DOMAIN_STATE_REASON_MAX_SIZE 20
+const char *domain_reasons[][DOMAIN_STATE_REASON_MAX_SIZE] = {
+ [VIR_DOMAIN_NOSTATE][VIR_DOMAIN_NOSTATE_UNKNOWN] =
+ "the reason is unknown",
+
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_UNKNOWN] =
+ "the reason is unknown",
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_BOOTED] =
+ "normal startup from boot",
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_MIGRATED] =
+ "migrated from another host",
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_RESTORED] =
+ "restored from a state file",
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_FROM_SNAPSHOT] =
+ "restored from snapshot",
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_UNPAUSED] =
+ "returned from paused state",
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_MIGRATION_CANCELED] =
+ "returned from migration",
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_SAVE_CANCELED] =
+ "returned from failed save process",
+#ifdef HAVE_DOM_REASON_RUNNING_WAKEUP
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_WAKEUP] =
+ "returned from pmsuspended due to wakeup event",
+#endif
+#ifdef HAVE_DOM_REASON_CRASHED
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_CRASHED] =
+ "resumed from crashed",
+#endif
+#ifdef HAVE_DOM_REASON_POSTCOPY
+ [VIR_DOMAIN_RUNNING][VIR_DOMAIN_RUNNING_POSTCOPY] =
+ "running in post-copy migration mode",
+#endif
+
+ [VIR_DOMAIN_BLOCKED][VIR_DOMAIN_BLOCKED_UNKNOWN] =
+ "the reason is unknown",
+
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_UNKNOWN] =
+ "the reason is unknown",
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_USER] = "paused on user request",
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_MIGRATION] =
+ "paused for offline migration",
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_SAVE] = "paused for save",
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_DUMP] =
+ "paused for offline core dump",
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_IOERROR] =
+ "paused due to a disk I/O error",
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_WATCHDOG] =
+ "paused due to a watchdog event",
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_FROM_SNAPSHOT] =
+ "paused after restoring from snapshot",
+#ifdef HAVE_DOM_REASON_PAUSED_SHUTTING_DOWN
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_SHUTTING_DOWN] =
+ "paused during shutdown process",
+#endif
+#ifdef HAVE_DOM_REASON_PAUSED_SNAPSHOT
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_SNAPSHOT] =
+ "paused while creating a snapshot",
+#endif
+#ifdef HAVE_DOM_REASON_PAUSED_CRASHED
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_CRASHED] =
+ "paused due to a guest crash",
+#endif
+#ifdef HAVE_DOM_REASON_PAUSED_STARTING_UP
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_STARTING_UP] =
+ "the domain is being started",
+#endif
+#ifdef HAVE_DOM_REASON_POSTCOPY
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_POSTCOPY] =
+ "paused for post-copy migration",
+ [VIR_DOMAIN_PAUSED][VIR_DOMAIN_PAUSED_POSTCOPY_FAILED] =
+ "paused after failed post-copy",
+#endif
+
+ [VIR_DOMAIN_SHUTDOWN][VIR_DOMAIN_SHUTDOWN_UNKNOWN] =
+ "the reason is unknown",
+ [VIR_DOMAIN_SHUTDOWN][VIR_DOMAIN_SHUTDOWN_USER] =
+ "shutting down on user request",
+
+ [VIR_DOMAIN_SHUTOFF][VIR_DOMAIN_SHUTOFF_UNKNOWN] =
+ "the reason is unknown",
+ [VIR_DOMAIN_SHUTOFF][VIR_DOMAIN_SHUTOFF_SHUTDOWN] = "normal shutdown",
+ [VIR_DOMAIN_SHUTOFF][VIR_DOMAIN_SHUTOFF_DESTROYED] = "forced poweroff",
+ [VIR_DOMAIN_SHUTOFF][VIR_DOMAIN_SHUTOFF_CRASHED] = "domain crashed",
+ [VIR_DOMAIN_SHUTOFF][VIR_DOMAIN_SHUTOFF_MIGRATED] =
+ "migrated to another host",
+ [VIR_DOMAIN_SHUTOFF][VIR_DOMAIN_SHUTOFF_SAVED] = "saved to a file",
+ [VIR_DOMAIN_SHUTOFF][VIR_DOMAIN_SHUTOFF_FAILED] =
+ "domain failed to start",
+ [VIR_DOMAIN_SHUTOFF][VIR_DOMAIN_SHUTOFF_FROM_SNAPSHOT] =
+ "restored from a snapshot which was taken while domain was shutoff",
+
+ [VIR_DOMAIN_CRASHED][VIR_DOMAIN_CRASHED_UNKNOWN] =
+ "the reason is unknown",
+#ifdef VIR_DOMAIN_CRASHED_PANICKED
+ [VIR_DOMAIN_CRASHED][VIR_DOMAIN_CRASHED_PANICKED] = "domain panicked",
+#endif
+
+#ifdef HAVE_DOM_STATE_PMSUSPENDED
+ [VIR_DOMAIN_PMSUSPENDED][VIR_DOMAIN_PMSUSPENDED_UNKNOWN] =
+ "the reason is unknown",
+#endif
+};
+#endif /* HAVE_DOM_REASON */
+
#define NR_CONFIG_KEYS ((sizeof config_keys / sizeof config_keys[0]) - 1)
+#define NANOSEC_IN_SEC 1e9
+
+#define GET_STATS(_f, _name, ...) \
+ do { \
+ status = _f(__VA_ARGS__); \
+ if (status != 0) \
+ ERROR(PLUGIN_NAME ": Failed to get " _name); \
+ } while (0)
/* Connection. */
static virConnectPtr conn = 0;
static char *conn_string = NULL;
static c_complain_t conn_complain = C_COMPLAIN_INIT_STATIC;
+/* Node information required for %CPU */
+static virNodeInfo nodeinfo;
+
/* Seconds between list refreshes, 0 disables completely. */
static int interval = 60;
char *number; /* interface device number */
};
+typedef struct domain_s {
+ virDomainPtr ptr;
+ virDomainInfo info;
+} domain_t;
+
struct lv_read_state {
/* Actual list of domains found on last refresh. */
- virDomainPtr *domains;
+ domain_t *domains;
int nr_domains;
struct block_device *block_devices;
enum if_field { if_address, if_name, if_number };
/* ExtraStats */
-#define EX_STATS_MAX_FIELDS 8
-enum ex_stats { ex_stats_none = 0, ex_stats_disk = 1, ex_stats_pcpu = 2 };
+#define EX_STATS_MAX_FIELDS 15
+enum ex_stats {
+ ex_stats_none = 0,
+ ex_stats_disk = 1 << 0,
+ ex_stats_pcpu = 1 << 1,
+ ex_stats_cpu_util = 1 << 2,
+ ex_stats_domain_state = 1 << 3,
+#ifdef HAVE_PERF_STATS
+ ex_stats_perf = 1 << 4,
+#endif
+ ex_stats_vcpupin = 1 << 5,
+#ifdef HAVE_DISK_ERR
+ ex_stats_disk_err = 1 << 6,
+#endif
+#ifdef HAVE_FS_INFO
+ ex_stats_fs_info = 1 << 7,
+#endif
+#ifdef HAVE_JOB_STATS
+ ex_stats_job_stats_completed = 1 << 8,
+ ex_stats_job_stats_background = 1 << 9,
+#endif
+};
+
static unsigned int extra_stats = ex_stats_none;
struct ex_stats_item {
enum ex_stats flag;
};
static const struct ex_stats_item ex_stats_table[] = {
- {"disk", ex_stats_disk}, {"pcpu", ex_stats_pcpu}, {NULL, ex_stats_none},
+ {"disk", ex_stats_disk},
+ {"pcpu", ex_stats_pcpu},
+ {"cpu_util", ex_stats_cpu_util},
+ {"domain_state", ex_stats_domain_state},
+#ifdef HAVE_PERF_STATS
+ {"perf", ex_stats_perf},
+#endif
+ {"vcpupin", ex_stats_vcpupin},
+#ifdef HAVE_DISK_ERR
+ {"disk_err", ex_stats_disk_err},
+#endif
+#ifdef HAVE_FS_INFO
+ {"fs_info", ex_stats_fs_info},
+#endif
+#ifdef HAVE_JOB_STATS
+ {"job_stats_completed", ex_stats_job_stats_completed},
+ {"job_stats_background", ex_stats_job_stats_background},
+#endif
+ {NULL, ex_stats_none},
};
/* BlockDeviceFormatBasename */
} /* void init_value_list */
+static int init_notif(notification_t *notif, const virDomainPtr domain,
+ int severity, const char *msg, const char *type,
+ const char *type_instance) {
+ value_list_t vl = VALUE_LIST_INIT;
+
+ if (!notif) {
+ ERROR(PLUGIN_NAME ": init_notif: NULL pointer");
+ return -1;
+ }
+
+ init_value_list(&vl, domain);
+ notification_init(notif, severity, msg, vl.host, vl.plugin,
+ vl.plugin_instance, type, type_instance);
+ notif->time = cdtime();
+ return 0;
+}
+
+static void submit_notif(const virDomainPtr domain, int severity,
+ const char *msg, const char *type,
+ const char *type_instance) {
+ notification_t notif;
+
+ init_notif(¬if, domain, severity, msg, type, type_instance);
+ plugin_dispatch_notification(¬if);
+ if (notif.meta)
+ plugin_notification_meta_free(notif.meta);
+}
+
static void submit(virDomainPtr dom, char const *type,
char const *type_instance, value_t *values,
size_t values_len) {
plugin_dispatch_values(&vl);
}
-static void memory_submit(gauge_t value, virDomainPtr dom) {
+static void memory_submit(virDomainPtr dom, gauge_t value) {
submit(dom, "memory", "total", &(value_t){.gauge = value}, 1);
}
int tag_index) {
static const char *tags[] = {"swap_in", "swap_out", "major_fault",
"minor_fault", "unused", "available",
- "actual_balloon", "rss"};
+ "actual_balloon", "rss", "usable",
+ "last_update"};
if ((tag_index < 0) || (tag_index >= (int)STATIC_ARRAY_SIZE(tags))) {
ERROR("virt plugin: Array index out of bounds: tag_index = %d", tag_index);
#endif /* HAVE_CPU_STATS */
}
-static void cpu_submit(unsigned long long value, virDomainPtr dom,
- const char *type) {
- submit(dom, type, NULL, &(value_t){.derive = (derive_t)value}, 1);
+static double cpu_ns_to_percent(unsigned int node_cpus,
+ unsigned long long cpu_time_old,
+ unsigned long long cpu_time_new) {
+ double percent = 0.0;
+ unsigned long long cpu_time_diff = 0;
+ double time_diff_sec = CDTIME_T_TO_DOUBLE(plugin_get_interval());
+
+ if (node_cpus != 0 && time_diff_sec != 0 && cpu_time_old != 0) {
+ cpu_time_diff = cpu_time_new - cpu_time_old;
+ percent = ((double)(100 * cpu_time_diff)) /
+ (time_diff_sec * node_cpus * NANOSEC_IN_SEC);
+ }
+
+ DEBUG(PLUGIN_NAME ": node_cpus=%u cpu_time_old=%llu cpu_time_new=%llu"
+ "cpu_time_diff=%llu time_diff_sec=%f percent=%f",
+ node_cpus, cpu_time_old, cpu_time_new, cpu_time_diff, time_diff_sec,
+ percent);
+
+ return percent;
+}
+
+static void cpu_submit(const domain_t *dom, unsigned long long cpuTime_new) {
+
+ if (!dom)
+ return;
+
+ if (extra_stats & ex_stats_cpu_util) {
+ /* Computing %CPU requires 2 samples of cpuTime */
+ if (dom->info.cpuTime != 0 && cpuTime_new != 0) {
+
+ submit(dom->ptr, "percent", "virt_cpu_total",
+ &(value_t){.gauge = cpu_ns_to_percent(
+ nodeinfo.cpus, dom->info.cpuTime, cpuTime_new)},
+ 1);
+ }
+ }
+
+ submit(dom->ptr, "virt_cpu_total", NULL, &(value_t){.derive = cpuTime_new},
+ 1);
}
static void vcpu_submit(derive_t value, virDomainPtr dom, int vcpu_nr,
char type_instance[DATA_MAX_NAME_LEN];
ssnprintf(type_instance, sizeof(type_instance), "%d", vcpu_nr);
-
submit(dom, type, type_instance, &(value_t){.derive = value}, 1);
}
static void disk_submit(struct lv_block_info *binfo, virDomainPtr dom,
- const char *type_instance) {
- char flush_type_instance[DATA_MAX_NAME_LEN];
+ const char *dev) {
+ char *dev_copy = strdup(dev);
+ const char *type_instance = dev_copy;
+
+ if (!dev_copy)
+ return;
+
+ if (blockdevice_format_basename && blockdevice_format == source)
+ type_instance = basename(dev_copy);
+ if (!type_instance) {
+ sfree(dev_copy);
+ return;
+ }
+
+ char flush_type_instance[DATA_MAX_NAME_LEN];
ssnprintf(flush_type_instance, sizeof(flush_type_instance), "flush-%s",
type_instance);
&(value_t){.derive = value}, 1);
}
}
+
+ sfree(dev_copy);
}
static unsigned int parse_ex_stats_flags(char **exstats, int numexstats) {
ex_stats_flags |= ex_stats_table[j].flag;
break;
}
+
+ if (ex_stats_table[j + 1].name == NULL) {
+ ERROR(PLUGIN_NAME ": Unmatched ExtraStats option: %s", exstats[i]);
+ }
}
}
return ex_stats_flags;
}
+static void domain_state_submit(virDomainPtr dom, int state, int reason) {
+
+ if ((state < 0) || (state >= STATIC_ARRAY_SIZE(domain_states))) {
+ ERROR(PLUGIN_NAME ": Array index out of bounds: state=%d", state);
+ return;
+ }
+
+ char msg[DATA_MAX_NAME_LEN];
+ const char *state_str = domain_states[state];
+#ifdef HAVE_DOM_REASON
+ if ((reason < 0) || (reason >= STATIC_ARRAY_SIZE(domain_reasons[0]))) {
+ ERROR(PLUGIN_NAME ": Array index out of bounds: reason=%d", reason);
+ return;
+ }
+
+ const char *reason_str = domain_reasons[state][reason];
+ /* Array size for domain reasons is fixed, but different domain states can
+ * have different number of reasons. We need to check if reason was
+ * successfully parsed */
+ if (!reason_str) {
+ ERROR(PLUGIN_NAME ": Invalid reason (%d) for domain state: %s", reason,
+ state_str);
+ return;
+ }
+#else
+ const char *reason_str = "N/A";
+#endif
+
+ ssnprintf(msg, sizeof(msg), "Domain state: %s. Reason: %s", state_str,
+ reason_str);
+
+ int severity;
+ switch (state) {
+ case VIR_DOMAIN_NOSTATE:
+ case VIR_DOMAIN_RUNNING:
+ case VIR_DOMAIN_SHUTDOWN:
+ case VIR_DOMAIN_SHUTOFF:
+ severity = NOTIF_OKAY;
+ break;
+ case VIR_DOMAIN_BLOCKED:
+ case VIR_DOMAIN_PAUSED:
+#ifdef DOM_STATE_PMSUSPENDED
+ case VIR_DOMAIN_PMSUSPENDED:
+#endif
+ severity = NOTIF_WARNING;
+ break;
+ case VIR_DOMAIN_CRASHED:
+ severity = NOTIF_FAILURE;
+ break;
+ default:
+ ERROR(PLUGIN_NAME ": Unrecognized domain state (%d)", state);
+ return;
+ }
+ submit_notif(dom, severity, msg, "domain_state", NULL);
+}
+
static int lv_config(const char *key, const char *value) {
if (virInitialize() != 0)
return 1;
strsplit(localvalue, exstats, STATIC_ARRAY_SIZE(exstats));
extra_stats = parse_ex_stats_flags(exstats, numexstats);
sfree(localvalue);
+
+#ifdef HAVE_JOB_STATS
+ if ((extra_stats & ex_stats_job_stats_completed) &&
+ (extra_stats & ex_stats_job_stats_background)) {
+ ERROR(PLUGIN_NAME " plugin: Invalid job stats configuration. Only one "
+ "type of job statistics can be collected at the same "
+ "time");
+ return 1;
+ }
+#endif
}
}
static int lv_connect(void) {
if (conn == NULL) {
- /* `conn_string == NULL' is acceptable. */
- conn = virConnectOpenReadOnly(conn_string);
+/* `conn_string == NULL' is acceptable */
+#ifdef HAVE_FS_INFO
+ /* virDomainGetFSInfo requires full read-write access connection */
+ if (extra_stats & ex_stats_fs_info)
+ conn = virConnectOpen(conn_string);
+ else
+#endif
+ conn = virConnectOpenReadOnly(conn_string);
if (conn == NULL) {
c_complain(LOG_ERR, &conn_complain,
PLUGIN_NAME " plugin: Unable to connect: "
- "virConnectOpenReadOnly failed.");
+ "virConnectOpen failed.");
+ return -1;
+ }
+ int status = virNodeGetInfo(conn, &nodeinfo);
+ if (status != 0) {
+ ERROR(PLUGIN_NAME ": virNodeGetInfo failed");
return -1;
}
}
#endif /* HAVE_BLOCK_STATS_FLAGS */
}
+#ifdef HAVE_PERF_STATS
+static void perf_submit(virDomainStatsRecordPtr stats) {
+ for (int i = 0; i < stats->nparams; ++i) {
+ /* Replace '.' with '_' in event field to match other metrics' naming
+ * convention */
+ char *c = strchr(stats->params[i].field, '.');
+ if (c)
+ *c = '_';
+ submit(stats->dom, "perf", stats->params[i].field,
+ &(value_t){.derive = stats->params[i].value.ul}, 1);
+ }
+}
+
+static int get_perf_events(virDomainPtr domain) {
+ virDomainStatsRecordPtr *stats = NULL;
+ /* virDomainListGetStats requires a NULL terminated list of domains */
+ virDomainPtr domain_array[] = {domain, NULL};
+
+ int status =
+ virDomainListGetStats(domain_array, VIR_DOMAIN_STATS_PERF, &stats, 0);
+ if (status == -1) {
+ ERROR("virt plugin: virDomainListGetStats failed with status %i.", status);
+ return status;
+ }
+
+ for (int i = 0; i < status; ++i)
+ perf_submit(stats[i]);
+
+ virDomainStatsRecordListFree(stats);
+ return 0;
+}
+#endif /* HAVE_PERF_STATS */
+
+static void vcpu_pin_submit(virDomainPtr dom, int max_cpus, int vcpu,
+ unsigned char *cpu_maps, int cpu_map_len) {
+ for (int cpu = 0; cpu < max_cpus; ++cpu) {
+ char type_instance[DATA_MAX_NAME_LEN];
+ _Bool is_set = VIR_CPU_USABLE(cpu_maps, cpu_map_len, vcpu, cpu) ? 1 : 0;
+
+ ssnprintf(type_instance, sizeof(type_instance), "vcpu_%d-cpu_%d", vcpu,
+ cpu);
+ submit(dom, "cpu_affinity", type_instance, &(value_t){.gauge = is_set}, 1);
+ }
+}
+
+static int get_vcpu_stats(virDomainPtr domain, unsigned short nr_virt_cpu) {
+ int max_cpus = VIR_NODEINFO_MAXCPUS(nodeinfo);
+ int cpu_map_len = VIR_CPU_MAPLEN(max_cpus);
+
+ virVcpuInfoPtr vinfo = calloc(nr_virt_cpu, sizeof(vinfo[0]));
+ if (vinfo == NULL) {
+ ERROR(PLUGIN_NAME " plugin: malloc failed.");
+ return -1;
+ }
+
+ unsigned char *cpumaps = calloc(nr_virt_cpu, cpu_map_len);
+ if (cpumaps == NULL) {
+ ERROR(PLUGIN_NAME " plugin: malloc failed.");
+ sfree(vinfo);
+ return -1;
+ }
+
+ int status =
+ virDomainGetVcpus(domain, vinfo, nr_virt_cpu, cpumaps, cpu_map_len);
+ if (status < 0) {
+ ERROR(PLUGIN_NAME " plugin: virDomainGetVcpus failed with status %i.",
+ status);
+ sfree(cpumaps);
+ sfree(vinfo);
+ return status;
+ }
+
+ for (int i = 0; i < nr_virt_cpu; ++i) {
+ vcpu_submit(vinfo[i].cpuTime, domain, vinfo[i].number, "virt_vcpu");
+ if (extra_stats & ex_stats_vcpupin)
+ vcpu_pin_submit(domain, max_cpus, i, cpumaps, cpu_map_len);
+ }
+
+ sfree(cpumaps);
+ sfree(vinfo);
+ return 0;
+}
+
+#ifdef HAVE_DOM_REASON
+static int get_domain_state(virDomainPtr domain) {
+ int domain_state = 0;
+ int domain_reason = 0;
+
+ int status = virDomainGetState(domain, &domain_state, &domain_reason, 0);
+ if (status != 0) {
+ ERROR(PLUGIN_NAME " plugin: virDomainGetState failed with status %i.",
+ status);
+ return status;
+ }
+
+ domain_state_submit(domain, domain_state, domain_reason);
+ return status;
+}
+#endif /* HAVE_DOM_REASON */
+
+static int get_memory_stats(virDomainPtr domain) {
+ virDomainMemoryStatPtr minfo =
+ calloc(VIR_DOMAIN_MEMORY_STAT_NR, sizeof(virDomainMemoryStatStruct));
+ if (minfo == NULL) {
+ ERROR("virt plugin: malloc failed.");
+ return -1;
+ }
+
+ int mem_stats =
+ virDomainMemoryStats(domain, minfo, VIR_DOMAIN_MEMORY_STAT_NR, 0);
+ if (mem_stats < 0) {
+ ERROR("virt plugin: virDomainMemoryStats failed with mem_stats %i.",
+ mem_stats);
+ sfree(minfo);
+ return mem_stats;
+ }
+
+ for (int i = 0; i < mem_stats; i++)
+ memory_stats_submit((gauge_t)minfo[i].val * 1024, domain, minfo[i].tag);
+
+ sfree(minfo);
+ return 0;
+}
+
+#ifdef HAVE_DISK_ERR
+static void disk_err_submit(virDomainPtr domain,
+ virDomainDiskErrorPtr disk_err) {
+ submit(domain, "disk_error", disk_err->disk,
+ &(value_t){.gauge = disk_err->error}, 1);
+}
+
+static int get_disk_err(virDomainPtr domain) {
+ /* Get preferred size of disk errors array */
+ int disk_err_count = virDomainGetDiskErrors(domain, NULL, 0, 0);
+ if (disk_err_count == -1) {
+ ERROR(PLUGIN_NAME
+ " plugin: failed to get preferred size of disk errors array");
+ return -1;
+ }
+
+ DEBUG(PLUGIN_NAME
+ " plugin: preferred size of disk errors array: %d for domain %s",
+ disk_err_count, virDomainGetName(domain));
+ virDomainDiskError disk_err[disk_err_count];
+
+ disk_err_count = virDomainGetDiskErrors(domain, disk_err, disk_err_count, 0);
+ if (disk_err_count == -1) {
+ ERROR(PLUGIN_NAME " plugin: virDomainGetDiskErrors failed with status %d",
+ disk_err_count);
+ return -1;
+ }
+
+ DEBUG(PLUGIN_NAME " plugin: detected %d disk errors in domain %s",
+ disk_err_count, virDomainGetName(domain));
+
+ for (int i = 0; i < disk_err_count; ++i) {
+ disk_err_submit(domain, &disk_err[i]);
+ sfree(disk_err[i].disk);
+ }
+
+ return 0;
+}
+#endif /* HAVE_DISK_ERR */
+
+static int get_block_stats(struct block_device *block_dev) {
+
+ if (!block_dev) {
+ ERROR(PLUGIN_NAME " plugin: get_block_stats NULL pointer");
+ return -1;
+ }
+
+ struct lv_block_info binfo;
+ init_block_info(&binfo);
+
+ if (lv_domain_block_info(block_dev->dom, block_dev->path, &binfo) < 0) {
+ ERROR(PLUGIN_NAME " plugin: lv_domain_block_info failed");
+ return -1;
+ }
+
+ disk_submit(&binfo, block_dev->dom, block_dev->path);
+ return 0;
+}
+
+#ifdef HAVE_FS_INFO
+
+#define NM_ADD_ITEM(_fun, _name, _val) \
+ do { \
+ ret = _fun(¬if, _name, _val); \
+ if (ret != 0) { \
+ ERROR(PLUGIN_NAME " plugin: failed to add notification metadata"); \
+ goto cleanup; \
+ } \
+ } while (0)
+
+#define NM_ADD_STR_ITEMS(_items, _size) \
+ do { \
+ for (int _i = 0; _i < _size; ++_i) { \
+ DEBUG(PLUGIN_NAME \
+ " plugin: Adding notification metadata name=%s value=%s", \
+ _items[_i].name, _items[_i].value); \
+ NM_ADD_ITEM(plugin_notification_meta_add_string, _items[_i].name, \
+ _items[_i].value); \
+ } \
+ } while (0)
+
+static int fs_info_notify(virDomainPtr domain, virDomainFSInfoPtr fs_info) {
+ notification_t notif;
+ int ret = 0;
+
+ /* Local struct, just for the purpose of this function. */
+ typedef struct nm_str_item_s {
+ const char *name;
+ const char *value;
+ } nm_str_item_t;
+
+ nm_str_item_t fs_dev_alias[fs_info->ndevAlias];
+ nm_str_item_t fs_str_items[] = {
+ {.name = "mountpoint", .value = fs_info->mountpoint},
+ {.name = "name", .value = fs_info->name},
+ {.name = "fstype", .value = fs_info->fstype}};
+
+ for (int i = 0; i < fs_info->ndevAlias; ++i) {
+ fs_dev_alias[i].name = "devAlias";
+ fs_dev_alias[i].value = fs_info->devAlias[i];
+ }
+
+ init_notif(¬if, domain, NOTIF_OKAY, "File system information",
+ "file_system", NULL);
+ NM_ADD_STR_ITEMS(fs_str_items, STATIC_ARRAY_SIZE(fs_str_items));
+ NM_ADD_ITEM(plugin_notification_meta_add_unsigned_int, "ndevAlias",
+ fs_info->ndevAlias);
+ NM_ADD_STR_ITEMS(fs_dev_alias, fs_info->ndevAlias);
+
+ plugin_dispatch_notification(¬if);
+
+cleanup:
+ if (notif.meta)
+ plugin_notification_meta_free(notif.meta);
+ return ret;
+}
+
+#undef RETURN_ON_ERR
+#undef NM_ADD_STR_ITEMS
+
+static int get_fs_info(virDomainPtr domain) {
+ virDomainFSInfoPtr *fs_info = NULL;
+ int ret = 0;
+
+ int mount_points_cnt = virDomainGetFSInfo(domain, &fs_info, 0);
+ if (mount_points_cnt == -1) {
+ ERROR(PLUGIN_NAME " plugin: virDomainGetFSInfo failed: %d",
+ mount_points_cnt);
+ return mount_points_cnt;
+ }
+
+ for (int i = 0; i < mount_points_cnt; ++i) {
+ if (fs_info_notify(domain, fs_info[i]) != 0) {
+ ERROR(PLUGIN_NAME " plugin: failed to send file system notification "
+ "for mount point %s",
+ fs_info[i]->mountpoint);
+ ret = -1;
+ }
+ virDomainFSInfoFree(fs_info[i]);
+ }
+
+ sfree(fs_info);
+ return ret;
+}
+
+#endif /* HAVE_FS_INFO */
+
+#ifdef HAVE_JOB_STATS
+static void job_stats_submit(virDomainPtr domain, virTypedParameterPtr param) {
+ value_t vl = {0};
+
+ if (param->type == VIR_TYPED_PARAM_INT)
+ vl.derive = param->value.i;
+ else if (param->type == VIR_TYPED_PARAM_UINT)
+ vl.derive = param->value.ui;
+ else if (param->type == VIR_TYPED_PARAM_LLONG)
+ vl.derive = param->value.l;
+ else if (param->type == VIR_TYPED_PARAM_ULLONG)
+ vl.derive = param->value.ul;
+ else if (param->type == VIR_TYPED_PARAM_DOUBLE)
+ vl.derive = param->value.d;
+ else if (param->type == VIR_TYPED_PARAM_BOOLEAN)
+ vl.derive = param->value.b;
+ else if (param->type == VIR_TYPED_PARAM_STRING) {
+ submit_notif(domain, NOTIF_OKAY, param->value.s, "job_stats", param->field);
+ return;
+ } else {
+ ERROR(PLUGIN_NAME " plugin: unrecognized virTypedParameterType");
+ return;
+ }
+
+ submit(domain, "job_stats", param->field, &vl, 1);
+}
+
+static int get_job_stats(virDomainPtr domain) {
+ int ret = 0;
+ int job_type = 0;
+ int nparams = 0;
+ virTypedParameterPtr params = NULL;
+ int flags = (extra_stats & ex_stats_job_stats_completed)
+ ? VIR_DOMAIN_JOB_STATS_COMPLETED
+ : 0;
+
+ ret = virDomainGetJobStats(domain, &job_type, ¶ms, &nparams, flags);
+ if (ret != 0) {
+ ERROR(PLUGIN_NAME " plugin: virDomainGetJobStats failed: %d", ret);
+ return ret;
+ }
+
+ DEBUG(PLUGIN_NAME " plugin: job_type=%d nparams=%d", job_type, nparams);
+
+ for (int i = 0; i < nparams; ++i) {
+ DEBUG(PLUGIN_NAME " plugin: param[%d] field=%s type=%d", i, params[i].field,
+ params[i].type);
+ job_stats_submit(domain, ¶ms[i]);
+ }
+
+ virTypedParamsFree(params, nparams);
+ return ret;
+}
+#endif /* HAVE_JOB_STATS */
+
+static int get_domain_metrics(domain_t *domain) {
+ struct lv_info info;
+
+ if (!domain || !domain->ptr) {
+ ERROR(PLUGIN_NAME ": get_domain_metrics: NULL pointer");
+ return -1;
+ }
+
+ init_lv_info(&info);
+ int status = lv_domain_info(domain->ptr, &info);
+ if (status != 0) {
+ ERROR(PLUGIN_NAME " plugin: virDomainGetInfo failed with status %i.",
+ status);
+ return -1;
+ }
+
+ if (extra_stats & ex_stats_domain_state) {
+#ifdef HAVE_DOM_REASON
+ /* At this point we already know domain's state from virDomainGetInfo call,
+ * however it doesn't provide a reason for entering particular state.
+ * We need to get it from virDomainGetState.
+ */
+ GET_STATS(get_domain_state, "domain reason", domain->ptr);
+#else
+ /* virDomainGetState is not available. Submit 0, which corresponds to
+ * unknown reason. */
+ domain_state_submit(domain->ptr, info.di.state, 0);
+#endif
+ }
+
+ /* Gather remaining stats only for running domains */
+ if (info.di.state != VIR_DOMAIN_RUNNING)
+ return 0;
+
+ pcpu_submit(domain->ptr, &info);
+ cpu_submit(domain, info.di.cpuTime);
+
+ memory_submit(domain->ptr, (gauge_t)info.di.memory * 1024);
+
+ GET_STATS(get_vcpu_stats, "vcpu stats", domain->ptr, info.di.nrVirtCpu);
+ GET_STATS(get_memory_stats, "memory stats", domain->ptr);
+
+#ifdef HAVE_PERF_STATS
+ if (extra_stats & ex_stats_perf)
+ GET_STATS(get_perf_events, "performance monitoring events", domain->ptr);
+#endif
+
+#ifdef HAVE_FS_INFO
+ if (extra_stats & ex_stats_fs_info)
+ GET_STATS(get_fs_info, "file system info", domain->ptr);
+#endif
+
+#ifdef HAVE_DISK_ERR
+ if (extra_stats & ex_stats_disk_err)
+ GET_STATS(get_disk_err, "disk errors", domain->ptr);
+#endif
+
+#ifdef HAVE_JOB_STATS
+ if (extra_stats &
+ (ex_stats_job_stats_completed | ex_stats_job_stats_background))
+ GET_STATS(get_job_stats, "job stats", domain->ptr);
+#endif
+
+ /* Update cached virDomainInfo. It has to be done after cpu_submit */
+ memcpy(&domain->info, &info.di, sizeof(domain->info));
+ return 0;
+}
+
+static int get_if_dev_stats(struct interface_device *if_dev) {
+ virDomainInterfaceStatsStruct stats = {0};
+ char *display_name = NULL;
+
+ if (!if_dev) {
+ ERROR(PLUGIN_NAME " plugin: get_if_dev_stats: NULL pointer");
+ return -1;
+ }
+
+ switch (interface_format) {
+ case if_address:
+ display_name = if_dev->address;
+ break;
+ case if_number:
+ display_name = if_dev->number;
+ break;
+ case if_name:
+ default:
+ display_name = if_dev->path;
+ }
+
+ if (virDomainInterfaceStats(if_dev->dom, if_dev->path, &stats,
+ sizeof(stats)) != 0) {
+ ERROR(PLUGIN_NAME " plugin: virDomainInterfaceStats failed");
+ return -1;
+ }
+
+ if ((stats.rx_bytes != -1) && (stats.tx_bytes != -1))
+ submit_derive2("if_octets", (derive_t)stats.rx_bytes,
+ (derive_t)stats.tx_bytes, if_dev->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, if_dev->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, if_dev->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, if_dev->dom, display_name);
+ return 0;
+}
+
static int lv_read(user_data_t *ud) {
time_t t;
struct lv_read_instance *inst = NULL;
#if 0
for (int i = 0; i < nr_domains; ++i)
- fprintf (stderr, "domain %s\n", virDomainGetName (domains[i]));
+ fprintf (stderr, "domain %s\n", virDomainGetName (state->domains[i].ptr));
for (int i = 0; i < nr_block_devices; ++i)
fprintf (stderr, "block device %d %s:%s\n",
i, virDomainGetName (block_devices[i].dom),
interface_devices[i].path);
#endif
- /* Get CPU usage, memory, VCPU usage for each domain. */
+ /* Get domains' metrics */
for (int i = 0; i < state->nr_domains; ++i) {
- struct lv_info info;
- virVcpuInfoPtr vinfo = NULL;
- virDomainMemoryStatPtr minfo = NULL;
- int status;
-
- init_lv_info(&info);
- status = lv_domain_info(state->domains[i], &info);
- if (status != 0) {
- ERROR(PLUGIN_NAME " plugin: virDomainGetInfo failed with status %i.",
- status);
- continue;
- }
-
- pcpu_submit(state->domains[i], &info);
- cpu_submit(info.di.cpuTime, state->domains[i], "virt_cpu_total");
- memory_submit((gauge_t)info.di.memory * 1024, state->domains[i]);
-
- vinfo = malloc(info.di.nrVirtCpu * sizeof(vinfo[0]));
- if (vinfo == NULL) {
- ERROR(PLUGIN_NAME " plugin: malloc failed.");
- continue;
- }
-
- status = virDomainGetVcpus(state->domains[i], vinfo, info.di.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 (int j = 0; j < info.di.nrVirtCpu; ++j)
- vcpu_submit(vinfo[j].cpuTime, state->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(state->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 (int j = 0; j < status; j++) {
- memory_stats_submit((gauge_t)minfo[j].val * 1024, state->domains[i],
- minfo[j].tag);
- }
-
- sfree(minfo);
+ int status = get_domain_metrics(&state->domains[i]);
+ if (status != 0)
+ ERROR(PLUGIN_NAME " failed to get metrics for domain=%s",
+ virDomainGetName(state->domains[i].ptr));
}
/* Get block device stats for each domain. */
for (int i = 0; i < state->nr_block_devices; ++i) {
- struct block_device *bdev = &(state->block_devices[i]);
- struct lv_block_info binfo;
- init_block_info(&binfo);
-
- if (lv_domain_block_info(bdev->dom, bdev->path, &binfo) < 0)
- continue;
-
- char *type_instance = bdev->path;
- char *path = NULL;
- if (blockdevice_format_basename && blockdevice_format == source) {
- path = strdup(bdev->path);
- if (path == NULL) {
- WARNING(PLUGIN_NAME
- " plugin: error extracting the basename for '%s', skipped",
- bdev->path);
- continue;
- }
- type_instance = basename(path);
- }
-
- disk_submit(&binfo, bdev->dom, type_instance);
-
- sfree(path);
- } /* for (nr_block_devices) */
+ int status = get_block_stats(&state->block_devices[i]);
+ if (status != 0)
+ ERROR(PLUGIN_NAME
+ " failed to get stats for block device (%s) in domain %s",
+ state->block_devices[i].path,
+ virDomainGetName(state->domains[i].ptr));
+ }
/* Get interface stats for each domain. */
for (int i = 0; i < state->nr_interface_devices; ++i) {
- struct _virDomainInterfaceStats stats;
- char *display_name = NULL;
-
- switch (interface_format) {
- case if_address:
- display_name = state->interface_devices[i].address;
- break;
- case if_number:
- display_name = state->interface_devices[i].number;
- break;
- case if_name:
- default:
- display_name = state->interface_devices[i].path;
- }
-
- if (virDomainInterfaceStats(state->interface_devices[i].dom,
- state->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, state->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,
- state->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, state->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, state->interface_devices[i].dom,
- display_name);
- } /* for (nr_interface_devices) */
+ int status = get_if_dev_stats(&state->interface_devices[i]);
+ if (status != 0)
+ ERROR(PLUGIN_NAME
+ " failed to get interface stats for device (%s) in domain %s",
+ state->interface_devices[i].path,
+ virDomainGetName(state->interface_devices[i].dom));
+ }
return 0;
}
static void free_domains(struct lv_read_state *state) {
if (state->domains) {
for (int i = 0; i < state->nr_domains; ++i)
- virDomainFree(state->domains[i]);
+ virDomainFree(state->domains[i].ptr);
sfree(state->domains);
}
state->domains = NULL;
}
static int add_domain(struct lv_read_state *state, virDomainPtr dom) {
- virDomainPtr *new_ptr;
+ domain_t *new_ptr;
int new_size = sizeof(state->domains[0]) * (state->nr_domains + 1);
if (state->domains)
return -1;
state->domains = new_ptr;
- state->domains[state->nr_domains] = dom;
+ state->domains[state->nr_domains].ptr = dom;
+ memset(&state->domains[state->nr_domains].info, 0,
+ sizeof(state->domains[state->nr_domains].info));
+
return state->nr_domains++;
}
projects / collectd.git / commitdiff