diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-domain.h index 3fb482b306..e0e3739b08 100644 --- a/include/libvirt/libvirt-domain.h +++ b/include/libvirt/libvirt-domain.h @@ -609,11 +609,14 @@ typedef enum { */ VIR_DOMAIN_MEMORY_STAT_USABLE = 8, + /* Timestamp of the last update of statistics */ + VIR_DOMAIN_MEMORY_STAT_LAST_UPDATE = 9, + /* * The number of statistics supported by this version of the interface. * To add new statistics, add them to the enum and increase this value. */ - VIR_DOMAIN_MEMORY_STAT_NR = 9, + VIR_DOMAIN_MEMORY_STAT_NR = 10, # ifdef VIR_ENUM_SENTINELS VIR_DOMAIN_MEMORY_STAT_LAST = VIR_DOMAIN_MEMORY_STAT_NR diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c index 1467030db7..413f8af5a4 100644 --- a/src/libvirt-domain.c +++ b/src/libvirt-domain.c @@ -5991,6 +5991,8 @@ virDomainGetInterfaceParameters(virDomainPtr domain, * to swap, corresponds to 'Available' in /proc/meminfo * VIR_DOMAIN_MEMORY_STAT_ACTUAL_BALLOON: * Current balloon value (in kb). + * VIR_DOMAIN_MEMORY_STAT_LAST_UPDATE + * Timestamp of the last statistic * * Returns: The number of stats provided or -1 in case of failure. */ diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c index 7fa984741b..37bab949a1 100644 --- a/src/qemu/qemu_monitor_json.c +++ b/src/qemu/qemu_monitor_json.c @@ -1633,10 +1633,10 @@ qemuMonitorJSONGetBalloonInfo(qemuMonitorPtr mon, * rates and/or whether data has been collected since a previous cycle. * It's currently unused. */ -#define GET_BALLOON_STATS(FIELD, TAG, DIVISOR) \ - if (virJSONValueObjectHasKey(statsdata, FIELD) && \ +#define GET_BALLOON_STATS(OBJECT, FIELD, TAG, DIVISOR) \ + if (virJSONValueObjectHasKey(OBJECT, FIELD) && \ (got < nr_stats)) { \ - if (virJSONValueObjectGetNumberUlong(statsdata, FIELD, &mem) < 0) { \ + if (virJSONValueObjectGetNumberUlong(OBJECT, FIELD, &mem) < 0) { \ VIR_DEBUG("Failed to get '%s' value", FIELD); \ } else { \ /* Not being collected? No point in providing bad data */ \ @@ -1707,20 +1707,22 @@ int qemuMonitorJSONGetMemoryStats(qemuMonitorPtr mon, goto cleanup; } - GET_BALLOON_STATS("stat-swap-in", + GET_BALLOON_STATS(statsdata, "stat-swap-in", VIR_DOMAIN_MEMORY_STAT_SWAP_IN, 1024); - GET_BALLOON_STATS("stat-swap-out", + GET_BALLOON_STATS(statsdata, "stat-swap-out", VIR_DOMAIN_MEMORY_STAT_SWAP_OUT, 1024); - GET_BALLOON_STATS("stat-major-faults", + GET_BALLOON_STATS(statsdata, "stat-major-faults", VIR_DOMAIN_MEMORY_STAT_MAJOR_FAULT, 1); - GET_BALLOON_STATS("stat-minor-faults", + GET_BALLOON_STATS(statsdata, "stat-minor-faults", VIR_DOMAIN_MEMORY_STAT_MINOR_FAULT, 1); - GET_BALLOON_STATS("stat-free-memory", + GET_BALLOON_STATS(statsdata, "stat-free-memory", VIR_DOMAIN_MEMORY_STAT_UNUSED, 1024); - GET_BALLOON_STATS("stat-total-memory", + GET_BALLOON_STATS(statsdata, "stat-total-memory", VIR_DOMAIN_MEMORY_STAT_AVAILABLE, 1024); - GET_BALLOON_STATS("stat-available-memory", + GET_BALLOON_STATS(statsdata, "stat-available-memory", VIR_DOMAIN_MEMORY_STAT_USABLE, 1024); + GET_BALLOON_STATS(data, "last-update", + VIR_DOMAIN_MEMORY_STAT_LAST_UPDATE, 1); ret = got; cleanup: virJSONValueFree(cmd); diff --git a/tools/virsh-domain-monitor.c b/tools/virsh-domain-monitor.c index 7f30da2188..77aa272265 100644 --- a/tools/virsh-domain-monitor.c +++ b/tools/virsh-domain-monitor.c @@ -375,6 +375,8 @@ cmdDomMemStat(vshControl *ctl, const vshCmd *cmd) vshPrint(ctl, "actual %llu\n", stats[i].val); if (stats[i].tag == VIR_DOMAIN_MEMORY_STAT_RSS) vshPrint(ctl, "rss %llu\n", stats[i].val); + if (stats[i].tag == VIR_DOMAIN_MEMORY_STAT_LAST_UPDATE) + vshPrint(ctl, "last_update %llu\n", stats[i].val); } ret = true;