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Merge remote-tracking branch 'origin/master' into lazy-trees

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This commit is contained in:
Eelco Dolstra 2022-12-05 13:05:18 +01:00
commit fcdca3d776
65 changed files with 1366 additions and 1205 deletions
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158
src/libexpr/eval.cc
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@ -7,7 +7,6 @@
#include "globals.hh"
#include "eval-inline.hh"
#include "filetransfer.hh"
#include "json.hh"
#include "function-trace.hh"
#include "fs-input-accessor.hh"
@ -22,6 +21,7 @@
#include <functional>
#include <sys/resource.h>
#include <nlohmann/json.hpp>
#if HAVE_BOEHMGC
@ -36,6 +36,8 @@
#endif
using json = nlohmann::json;
namespace nix {
static char * allocString(size_t size)
@ -70,15 +72,11 @@ static char * dupString(const char * s)
// empty string.
static const char * makeImmutableStringWithLen(const char * s, size_t size)
{
char * t;
if (size == 0)
return "";
#if HAVE_BOEHMGC
t = GC_STRNDUP(s, size);
#else
t = strndup(s, size);
#endif
if (!t) throw std::bad_alloc();
auto t = allocString(size + 1);
memcpy(t, s, size);
t[size] = 0;
return t;
}
@ -1605,7 +1603,7 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
auto dts = debugRepl
? makeDebugTraceStacker(
*this, *lambda.body, env2, positions[lambda.pos],
"while evaluating %s",
"while calling %s",
lambda.name
? concatStrings("'", symbols[lambda.name], "'")
: "anonymous lambda")
@ -1614,7 +1612,7 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
lambda.body->eval(*this, env2, vCur);
} catch (Error & e) {
if (loggerSettings.showTrace.get()) {
addErrorTrace(e, lambda.pos, "while evaluating %s",
addErrorTrace(e, lambda.pos, "while calling %s",
(lambda.name
? concatStrings("'", symbols[lambda.name], "'")
: "anonymous lambda"));
@ -2426,99 +2424,99 @@ void EvalState::printStats()
std::fstream fs;
if (outPath != "-")
fs.open(outPath, std::fstream::out);
JSONObject topObj(outPath == "-" ? std::cerr : fs, true);
topObj.attr("cpuTime",cpuTime);
{
auto envs = topObj.object("envs");
envs.attr("number", nrEnvs);
envs.attr("elements", nrValuesInEnvs);
envs.attr("bytes", bEnvs);
}
{
auto lists = topObj.object("list");
lists.attr("elements", nrListElems);
lists.attr("bytes", bLists);
lists.attr("concats", nrListConcats);
}
{
auto values = topObj.object("values");
values.attr("number", nrValues);
values.attr("bytes", bValues);
}
{
auto syms = topObj.object("symbols");
syms.attr("number", symbols.size());
syms.attr("bytes", symbols.totalSize());
}
{
auto sets = topObj.object("sets");
sets.attr("number", nrAttrsets);
sets.attr("bytes", bAttrsets);
sets.attr("elements", nrAttrsInAttrsets);
}
{
auto sizes = topObj.object("sizes");
sizes.attr("Env", sizeof(Env));
sizes.attr("Value", sizeof(Value));
sizes.attr("Bindings", sizeof(Bindings));
sizes.attr("Attr", sizeof(Attr));
}
topObj.attr("nrOpUpdates", nrOpUpdates);
topObj.attr("nrOpUpdateValuesCopied", nrOpUpdateValuesCopied);
topObj.attr("nrThunks", nrThunks);
topObj.attr("nrAvoided", nrAvoided);
topObj.attr("nrLookups", nrLookups);
topObj.attr("nrPrimOpCalls", nrPrimOpCalls);
topObj.attr("nrFunctionCalls", nrFunctionCalls);
json topObj = json::object();
topObj["cpuTime"] = cpuTime;
topObj["envs"] = {
{"number", nrEnvs},
{"elements", nrValuesInEnvs},
{"bytes", bEnvs},
};
topObj["list"] = {
{"elements", nrListElems},
{"bytes", bLists},
{"concats", nrListConcats},
};
topObj["values"] = {
{"number", nrValues},
{"bytes", bValues},
};
topObj["symbols"] = {
{"number", symbols.size()},
{"bytes", symbols.totalSize()},
};
topObj["sets"] = {
{"number", nrAttrsets},
{"bytes", bAttrsets},
{"elements", nrAttrsInAttrsets},
};
topObj["sizes"] = {
{"Env", sizeof(Env)},
{"Value", sizeof(Value)},
{"Bindings", sizeof(Bindings)},
{"Attr", sizeof(Attr)},
};
topObj["nrOpUpdates"] = nrOpUpdates;
topObj["nrOpUpdateValuesCopied"] = nrOpUpdateValuesCopied;
topObj["nrThunks"] = nrThunks;
topObj["nrAvoided"] = nrAvoided;
topObj["nrLookups"] = nrLookups;
topObj["nrPrimOpCalls"] = nrPrimOpCalls;
topObj["nrFunctionCalls"] = nrFunctionCalls;
#if HAVE_BOEHMGC
{
auto gc = topObj.object("gc");
gc.attr("heapSize", heapSize);
gc.attr("totalBytes", totalBytes);
}
topObj["gc"] = {
{"heapSize", heapSize},
{"totalBytes", totalBytes},
};
#endif
if (countCalls) {
topObj["primops"] = primOpCalls;
{
auto obj = topObj.object("primops");
for (auto & i : primOpCalls)
obj.attr(i.first, i.second);
}
{
auto list = topObj.list("functions");
auto& list = topObj["functions"];
list = json::array();
for (auto & [fun, count] : functionCalls) {
auto obj = list.object();
json obj = json::object();
if (fun->name)
obj.attr("name", (std::string_view) symbols[fun->name]);
obj["name"] = (std::string_view) symbols[fun->name];
else
obj.attr("name", nullptr);
obj["name"] = nullptr;
if (auto pos = positions[fun->pos]) {
if (auto path = std::get_if<SourcePath>(&pos.origin))
obj.attr("file", path->to_string());
obj.attr("line", pos.line);
obj.attr("column", pos.column);
obj["file"] = path->to_string();
obj["line"] = pos.line;
obj["column"] = pos.column;
}
obj.attr("count", count);
obj["count"] = count;
list.push_back(obj);
}
}
{
auto list = topObj.list("attributes");
auto list = topObj["attributes"];
list = json::array();
for (auto & i : attrSelects) {
auto obj = list.object();
json obj = json::object();
if (auto pos = positions[i.first]) {
if (auto path = std::get_if<SourcePath>(&pos.origin))
obj.attr("file", path->to_string());
obj.attr("line", pos.line);
obj.attr("column", pos.column);
obj["file"] = path->to_string();
obj["line"] = pos.line;
obj["column"] = pos.column;
}
obj.attr("count", i.second);
obj["count"] = i.second;
list.push_back(obj);
}
}
}
if (getEnv("NIX_SHOW_SYMBOLS").value_or("0") != "0") {
auto list = topObj.list("symbols");
symbols.dump([&](const std::string & s) { list.elem(s); });
// XXX: overrides earlier assignment
topObj["symbols"] = json::array();
auto &list = topObj["symbols"];
symbols.dump([&](const std::string & s) { list.emplace_back(s); });
}
if (outPath == "-") {
std::cerr << topObj.dump(2) << std::endl;
} else {
fs << topObj.dump(2) << std::endl;
}
}
}