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Merge pull request #45999 from sichenzhao/cgroup_v2

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Updates AsyncMetrics cgroup-memory to support cgroupv2
This commit is contained in:
Alexey Milovidov 2023-04-28 20:39:53 +03:00 committed by GitHub
commit cd171bef7d
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1 changed files with 17 additions and 18 deletions
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31
src/Common/AsynchronousMetrics.cpp
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@ -67,7 +67,14 @@ AsynchronousMetrics::AsynchronousMetrics(
openFileIfExists("/proc/uptime", uptime);
openFileIfExists("/proc/net/dev", net_dev);
/// CGroups v2
openFileIfExists("/sys/fs/cgroup/memory.max", cgroupmem_limit_in_bytes);
openFileIfExists("/sys/fs/cgroup/memory.current", cgroupmem_usage_in_bytes);
/// CGroups v1
if (!cgroupmem_limit_in_bytes)
openFileIfExists("/sys/fs/cgroup/memory/memory.limit_in_bytes", cgroupmem_limit_in_bytes);
if (!cgroupmem_usage_in_bytes)
openFileIfExists("/sys/fs/cgroup/memory/memory.usage_in_bytes", cgroupmem_usage_in_bytes);
openSensors();
@ -900,33 +907,25 @@ void AsynchronousMetrics::update(TimePoint update_time)
if (cgroupmem_limit_in_bytes && cgroupmem_usage_in_bytes)
{
try {
try
{
cgroupmem_limit_in_bytes->rewind();
cgroupmem_usage_in_bytes->rewind();
uint64_t cgroup_mem_limit_in_bytes = 0;
uint64_t cgroup_mem_usage_in_bytes = 0;
uint64_t limit = 0;
uint64_t usage = 0;
readText(cgroup_mem_limit_in_bytes, *cgroupmem_limit_in_bytes);
readText(cgroup_mem_usage_in_bytes, *cgroupmem_usage_in_bytes);
tryReadText(limit, *cgroupmem_limit_in_bytes);
tryReadText(usage, *cgroupmem_usage_in_bytes);
if (cgroup_mem_limit_in_bytes && cgroup_mem_usage_in_bytes)
{
new_values["CgroupMemoryTotal"] = { cgroup_mem_limit_in_bytes, "The total amount of memory in cgroup, in bytes." };
new_values["CgroupMemoryUsed"] = { cgroup_mem_usage_in_bytes, "The amount of memory used in cgroup, in bytes." };
}
else
{
LOG_DEBUG(log, "Cannot read statistics about the cgroup memory total and used. Total got '{}', Used got '{}'.",
cgroup_mem_limit_in_bytes, cgroup_mem_usage_in_bytes);
}
new_values["CGroupMemoryTotal"] = { limit, "The total amount of memory in cgroup, in bytes. If stated zero, the limit is the same as OSMemoryTotal." };
new_values["CGroupMemoryUsed"] = { usage, "The amount of memory used in cgroup, in bytes." };
}
catch (...)
{
tryLogCurrentException(__PRETTY_FUNCTION__);
}
}
if (meminfo)
{
try