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Merge remote-tracking branch 'origin/master' into flakes

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This commit is contained in:
Eelco Dolstra 2020-01-06 12:43:07 +01:00
commit 1dc29df1d3
9 changed files with 52 additions and 35 deletions
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4
src/libexpr/eval.cc
View file

@ -1146,9 +1146,7 @@ void EvalState::callPrimOp(Value & fun, Value & arg, Value & v, const Pos & pos)
void EvalState::callFunction(Value & fun, Value & arg, Value & v, const Pos & pos)
{
std::unique_ptr<FunctionCallTrace> trace;
if (evalSettings.traceFunctionCalls)
trace = std::make_unique<FunctionCallTrace>(pos);
auto trace = evalSettings.traceFunctionCalls ? std::make_unique<FunctionCallTrace>(pos) : nullptr;
forceValue(fun, pos);

17
src/libexpr/function-trace.cc Normal file
View file

@ -0,0 +1,17 @@
#include "function-trace.hh"
namespace nix {
FunctionCallTrace::FunctionCallTrace(const Pos & pos) : pos(pos) {
auto duration = std::chrono::high_resolution_clock::now().time_since_epoch();
auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(duration);
printMsg(lvlInfo, "function-trace entered %1% at %2%", pos, ns.count());
}
FunctionCallTrace::~FunctionCallTrace() {
auto duration = std::chrono::high_resolution_clock::now().time_since_epoch();
auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(duration);
printMsg(lvlInfo, "function-trace exited %1% at %2%", pos, ns.count());
}
}

14
src/libexpr/function-trace.hh
View file

@ -9,17 +9,7 @@ namespace nix {
struct FunctionCallTrace
{
const Pos & pos;
FunctionCallTrace(const Pos & pos) : pos(pos) {
auto duration = std::chrono::high_resolution_clock::now().time_since_epoch();
auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(duration);
printMsg(lvlInfo, "function-trace entered %1% at %2%", pos, ns.count());
}
~FunctionCallTrace() {
auto duration = std::chrono::high_resolution_clock::now().time_since_epoch();
auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(duration);
printMsg(lvlInfo, "function-trace exited %1% at %2%", pos, ns.count());
}
FunctionCallTrace(const Pos & pos);
~FunctionCallTrace();
};
}