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Add perf metric for NUMA-local memory access

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This commit is contained in:
Alexander Kuzmenkov 2020-07-17 20:10:34 +03:00
parent 97e8a88b30
commit 5a662ca48c
3 changed files with 9 additions and 1 deletions
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2
src/Common/ProfileEvents.cpp
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@ -202,6 +202,8 @@
M(PerfDataTLBMisses, "Data TLB misses") \
M(PerfInstructionTLBReferences, "Instruction TLB references") \
M(PerfInstructionTLBMisses, "Instruction TLB misses") \
M(PerfLocalMemoryReferences, "Local node memory reads") \
M(PerfLocalMemoryMisses, "Local node memory read misses") \
\
M(CreatedHTTPConnections, "Total amount of created HTTP connections (closed or opened).") \
\

4
src/Common/ThreadProfileEvents.cpp
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@ -193,12 +193,16 @@ static const PerfEventInfo raw_events_info[] = {
// https://stackoverflow.com/questions/49933319/how-to-interpret-perf-itlb-loads-itlb-load-misses
CACHE_EVENT(PERF_COUNT_HW_CACHE_ITLB, PerfInstructionTLBReferences, ACCESS),
CACHE_EVENT(PERF_COUNT_HW_CACHE_ITLB, PerfInstructionTLBMisses, MISS),
CACHE_EVENT(PERF_COUNT_HW_CACHE_NODE, PerfLocalMemoryReferences, ACCESS),
CACHE_EVENT(PERF_COUNT_HW_CACHE_NODE, PerfLocalMemoryMisses, MISS),
};
static_assert(sizeof(raw_events_info) / sizeof(raw_events_info[0]) == NUMBER_OF_RAW_EVENTS);
#undef HARDWARE_EVENT
#undef SOFTWARE_EVENT
#undef CACHE_EVENT
// A map of event name -> event index, to parse event list in settings.
static std::unordered_map<std::string, size_t> populateEventMap()

4
src/Common/ThreadProfileEvents.h
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@ -59,6 +59,8 @@ namespace ProfileEvents
extern const Event PerfDataTLBMisses;
extern const Event PerfInstructionTLBReferences;
extern const Event PerfInstructionTLBMisses;
extern const Event PerfLocalMemoryReferences;
extern const Event PerfLocalMemoryMisses;
#endif
}
@ -162,7 +164,7 @@ struct PerfEventValue
UInt64 time_running = 0;
};
static constexpr size_t NUMBER_OF_RAW_EVENTS = 20;
static constexpr size_t NUMBER_OF_RAW_EVENTS = 22;
struct PerfDescriptorsHolder : boost::noncopyable
{