Re: [libvirt] [PATCH 6/6] lxc: Introduce method lxcDomainGetBalloonStats().

This method is responsible to fetch all Balloon Memory Stats and store data into virDomainStatsRecordPtr structure. Signed-off-by: Julio Faracco <jcfaracco(a)gmail.com&gt; --- src/lxc/lxc_driver.c | 71 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c index 1190d67a81..ea48214073 100644 --- a/src/lxc/lxc_driver.c +++ b/src/lxc/lxc_driver.c @@ -2876,6 +2876,77 @@ lxcDomainGetBlkioParameters(virDomainPtr dom, return ret; } +static int +lxcDomainGetBalloonStats(virDomainObjPtr dom, + virDomainStatsRecordPtr record, + int *maxparams) +{ + virLXCDomainObjPrivatePtr priv = dom->privateData; + virDomainMemoryStatStruct stats[VIR_DOMAIN_MEMORY_STAT_NR]; + unsigned long long swap_usage; + unsigned long mem_usage; + size_t i; + int ret = -1; + + if (virTypedParamsAddULLong(&record->params, + &record->nparams, + maxparams, + "balloon.maximum", + virDomainDefGetMemoryTotal(dom->def)) < 0) + return -1; + + if (virTypedParamsAddULLong(&record->params, + &record->nparams, + maxparams, + "balloon.current", + virDomainDefGetMemoryTotal(dom->def)) < 0) + return -1; + + if (virCgroupGetMemSwapUsage(priv->cgroup, &swap_usage) < 0) + return -1; + + if (virCgroupGetMemoryUsage(priv->cgroup, &mem_usage) < 0) + return -1; + + ret = 0; + if (ret < *maxparams) { + stats[ret].tag = VIR_DOMAIN_MEMORY_STAT_ACTUAL_BALLOON; + stats[ret].val = dom->def->mem.cur_balloon; + ret++;

+ } + if (ret < *maxparams) { + stats[ret].tag = VIR_DOMAIN_MEMORY_STAT_SWAP_IN; + stats[ret].val = swap_usage; + ret++; + } + if (ret < *maxparams) { + stats[ret].tag = VIR_DOMAIN_MEMORY_STAT_RSS; + stats[ret].val = mem_usage; + ret++; + } + +#define LXC_STORE_MEM_RECORD(TAG, NAME) \ + if (stats[i].tag == VIR_DOMAIN_MEMORY_STAT_ ##TAG) \ + if (virTypedParamsAddULLong(&record->params, \ + &record->nparams, \ + maxparams, \ + "balloon." NAME, \

+ stats[i].val) < 0) \ + return -1; + + for (i = 0; i < ret; i++) { + LXC_STORE_MEM_RECORD(SWAP_IN, "swap_in") + LXC_STORE_MEM_RECORD(SWAP_OUT, "swap_out") + LXC_STORE_MEM_RECORD(MAJOR_FAULT, "major_fault") + LXC_STORE_MEM_RECORD(MINOR_FAULT, "minor_fault") + LXC_STORE_MEM_RECORD(AVAILABLE, "available") + LXC_STORE_MEM_RECORD(UNUSED, "unused") + } + +#undef LXC_STORE_MEM_RECORD + + return 0; +} static int lxcDomainInterfaceStats(virDomainPtr dom, -- 2.19.1 -- libvir-list mailing list libvir-list(a)redhat.com https://www.redhat.com/mailman/listinfo/libvir-list