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Enable taskstat accounting for versions >= 3

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Previously if clickhouse was compiled under a kernel with higher
TASKSTATS_VERSION, but run under a kernel with older TASKSTAT_VERSION
extended and io accounting would be disabled.
This commit is contained in:
Nicolae Vartolomei 2019-02-28 21:49:52 +00:00
parent a4e56478ca
commit 602aeb3bb2
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1 changed files with 2 additions and 2 deletions
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4
dbms/src/Common/ThreadProfileEvents.h
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@ -137,8 +137,8 @@ struct TasksStatsCounters
profile_events.increment(ProfileEvents::OSCPUVirtualTimeMicroseconds,
safeDiff(prev.stat.cpu_run_virtual_total, curr.stat.cpu_run_virtual_total) / 1000U);
/// Too old struct version, do not read new fields
if (curr.stat.version < TASKSTATS_VERSION)
/// Since TASKSTATS_VERSION = 3 extended accounting and IO accounting is available.
if (curr.stat.version < 3)
return;
profile_events.increment(ProfileEvents::OSReadChars, safeDiff(prev.stat.read_char, curr.stat.read_char));