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XDP: skip run-lifecycle hooks for XDP_KERNEL* internal runs #9841

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XDP: skip run-lifecycle hooks for XDP_KERNEL* internal runs #9841

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22 changes: 22 additions & 0 deletions src/runtime_src/core/common/xdp/profile.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
#include <cstring>
#include <functional>
#include <sstream>
#include <string_view>
#include <cstdlib>

#ifdef _WIN32
Expand Down Expand Up @@ -949,9 +950,24 @@ finish_flush_device(void* handle)
#endif
}

// XDP plugins that submit their own ELF name the xrt::ext::kernel
// "XDP_KERNEL" or "XDP_KERNEL_<suffix>" so the run-lifecycle hooks
// can skip self-instrumentation of those internal runs.
static bool
is_xdp_internal_kernel(const xrt::run_impl* run_impl)
{
xrt_kernel_data data{};
xrt_core::kernel_int::get_xdp_kernel_data(run_impl, &data);
constexpr std::string_view prefix{"XDP_KERNEL"};
return data.name.compare(0, prefix.size(), prefix.data(), prefix.size()) == 0;
}

void
run_constructor(xrt::run_impl* run_impl)
{
if (is_xdp_internal_kernel(run_impl))
return;

if (!xrt_core::config::get_aie_dtrace())
return;

Expand All @@ -961,6 +977,9 @@ run_constructor(xrt::run_impl* run_impl)
void
run_start(const xrt::run_impl* run_impl)
{
if (is_xdp_internal_kernel(run_impl))
return;

if (!xrt_core::config::get_aie_dtrace())
return;

Expand All @@ -970,6 +989,9 @@ run_start(const xrt::run_impl* run_impl)
void
run_wait(const xrt::run_impl* run_impl)
{
if (is_xdp_internal_kernel(run_impl))
return;

if (!xrt_core::config::get_aie_dtrace())
return;

Expand Down
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