hydra-eval-jobs: Parallelize

[?]

Feb 19, 2020, 8:10 PM

XJISJGZLGWLCTN6EZWVVHKQFCDVCSXTNYL7YE2UB74AOA2XGYOCAC

Dependencies

[2] GPZYBCJC accidentally committed an = too little, which caused all unknown values to result in 'not building', which was not the intention
[3] CYVWW32Q Revert "Fix broken build.x86_64-linux job (#573)"
[4] A6POFA3H hydra-eval-jobs: Filter ANSI escape sequences
[5] VMZDEQQ5 Increase maxHeapSize more gradually
[6] CXKN2W4B hydra-eval-jobs: Reinitialize Boehm GC in the child
[7] JSBIUNY6 hydra-eval-jobs: fix maintainer resolution
[8] YRXR3WDP hydra-eval-jobs: Warn and resets maxHeapSize on bad values
[9] WV4SSAIY Build against nix-master
[10] HNGPGVBT Fix build
[11] ALU52WZJ Handle attrsets in meta.license (i.e. lib.licenses)
[12] MIC2O6ZF Use evalFile() instead of parseExprFromFile()
[13] 7YCFGMZB * Report evaluation errors per job, and don't bail out if a job fails
[14] SM5M2J3A Pass inputs to release expressions using -I
[15] L4GM4MA6 Call initGC()
[16] HVXL2XUZ
[17] D6VR5FYG * Fix hydra_eval_jobs.
[18] DPYJFBXU hydra-eval-jobs: Support meta.license being a list
[19] KD5237CU * eval-jobs now efficiently evaluates all Hydra jobs from a
[20] 5DYPEBSI hydra-eval-jobs: Use function argument default values
[21] RLXDJAG2 hydra-eval-jobs: Add --dry-run option
[22] AEFNBIIW * Merge the GC branch.
[23] DKJFD6JN Process Nix API changes
[24] IMQRX4MP hydra-eval-jobs: Use JSON instead of XML
[25] FHXU6346 hydra-eval-jobs: Pass all inputs as 'inputs' arg.
[26] 4GTOWRFW hydra-eval-jobs: Fix build
[27] STZE4KKR Fix build against Nix master
[28] VTNP5KDO * Don't catch all errors. Some errors mess up the connection with the
[29] JTHWA6AM Rename aggregate members to constituents
[30] POPU2ATH * hydra_scheduler: use eval-jobs.
[31] PMNWRTGJ Add multiple output support
[32] VTMBJVIS hydra-eval-jobs: Disable the build hook.
[33] P45ANG5B Fix build
[34] YNGIYQRF hydra-eval-jobs: Don't keep track of used inputs
[35] 4XR2A7QD * Fix building hydra_eval_jobs against the sqlite branch.
[36] 5MP35ORV hydra-eval-jobs: Ugly hackery to reduce memory usage
[37] AYMPPH7G Don't write one character at a time, it's inefficient
[38] ZTQEU5QS Hydra: Add support for maxSilent meta attribute (also already added timeout, but not implemented the actual timeout for the build yet)
[39] HP5WJLQU hydra-eval-{jobs,jobset}: Pass file name as <...>
[40] 4N5APGRG * Start of a helper tool to evaluate job expressions efficiently.
[41] FGUL3HAZ hydra-eval-jobs: Don't go into an infinite recursion
[42] IZ2AHLM3 * Export all relevant info about the derivation.
[43] YGRLM2SK * Export all relevant info about the derivation.
[44] 77VF5TC6 * For ease of use during debugging, don't require --gc-roots-dir.
[45] HJYRK37A * Revert r27114, it seems to break stuff.
[46] BGMBEXS6 Gradually increase maxHeapSize
[47] WUMCRXFX Don't ignore assertion failures in getDerivation()
[48] 4LWGZL33
[49] EBG4P4SY Doh - clear $NIX_PATH properly
[50] A63IHCMX * Register GC roots properly.
[51] AEKIREIH * Updated hydra_eval_jobs for the new evaluator.
[52] WJTP6VZI Fix building against the latest Nix
[53] 7D6RFSAA Fix build for new nixUnstable
[54] 5MNUNZWR * Store meta.maintainers.
[55] 5X6FHW3S hydra-eval-jobs: Fix building against the latest unstable Nix
[56] SYN2GC3O allow null values for jobs, meaning it should build
[57] I2HYJBML Debug tweak
[58] 52JSLNC6 * Build fix.
[59] 3PNG7NIB Remove trailing whitespace
[60] OC4Q4PXC Sync with nixUnstable
[61] JQ5VHWRB Fix broken build.x86_64-linux job (#573)
[62] L4LBF7UF Handle derivations without a system attribute
[63] M5BEPXTE Tweak debug output
[64] ZVSHXE3K Allow setting GC_INITIAL_HEAP_SIZE for hydra-eval-jobs
[65] M3A5PZIH hydra: Clarify the dependency on BDW-GC.
[66] FUB37KFU Use Nix's restricted evaluation mode
[67] 7GKAIP3V Fix build and handling of string inputs starting with a dash
[68] FTPCV25M Store aggregate members in the database
[69] FGLKIVYS Fix build against Nix master

Change contents

edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 3

[10.339]→[10.354:355](∅→∅),[10.355]→[6.0:27](∅→∅),[6.27]→[10.355:384](∅→∅),[10.355]→[10.355:384](∅→∅)

#define GC_LINUX_THREADS 1
#include <gc/gc_allocator.h>
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 9

[10.45]→[10.0:19](∅→∅)

#include "json.hh"
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 12

[10.31]

[10.57]

#include "attr-path.hh"
#include "derivations.hh"
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 19

[10.45]

[10.45]

#include <sys/resource.h>
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 21

[10.46]→[10.452:473](∅→∅),[10.452]→[10.452:473](∅→∅)

using namespace nix;

[10.46]

[10.473]

#include <nlohmann/json.hpp>
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 23

[10.474]

[10.474]

using namespace nix;
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 26

[10.26]

[10.159]

static size_t maxMemorySize;
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 28

[10.160]

[10.160]

struct MyArgs : MixEvalArgs, MixCommonArgs
{
Path releaseExpr;
bool dryRun = false;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 33

[10.161]→[10.29:87](∅→∅),[10.87]→[10.32:94](∅→∅)

static void findJobs(EvalState & state, JSONObject & top,
Bindings & autoArgs, Value & v, const string & attrPath);

[10.161]

[10.143]

MyArgs() : MixCommonArgs("hydra-eval-jobs")
{
mkFlag()
.longName("help")
.description("show usage information")
.handler([&]() {
printHelp(programName, std::cout);
throw Exit();
});
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 43

[10.144]

[10.0]

mkFlag()
.longName("gc-roots-dir")
.description("garbage collector roots directory")
.labels({"path"})
.dest(&gcRootsDir);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 49

[10.1]→[7.0:115](∅→∅)

static string queryMetaStrings(EvalState & state, DrvInfo & drv, const string & name, const string & subAttribute)

[10.1]

[10.294]

mkFlag()
.longName("dry-run")
.description("don't create store derivations")
.set(&dryRun, true);

expectArg("expr", &releaseExpr);
}
};

static MyArgs myArgs;

static std::string queryMetaStrings(EvalState & state, DrvInfo & drv, const string & name, const string & subAttribute)
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 84

[10.1407]→[10.47:137](∅→∅)

static std::string lastAttrPath;
static bool comma = false;
static size_t maxHeapSize;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 85

[10.138]→[10.138:158](∅→∅)

struct BailOut { };

[10.138]

[10.1407]

static void worker(
EvalState & state,
Bindings & autoArgs,
AutoCloseFD & to,
AutoCloseFD & from)
{
Value vTop;
state.evalFile(lookupFileArg(state, myArgs.releaseExpr), vTop);
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 94

[10.1408]

[10.1573]

auto vRoot = state.allocValue();
state.autoCallFunction(autoArgs, vTop, *vRoot);
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 97

[10.1574]→[10.159:246](∅→∅)

bool lte(const std::string & s1, const std::string & s2)
{
size_t p1 = 0, p2 = 0;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 98

[10.265]→[10.265:360](∅→∅)

if (p1 == s1.size()) return p2 == s2.size();
if (p2 == s2.size()) return true;

[10.265]

[10.360]

/* Wait for the master to send us a job name. */
writeLine(to.get(), "next");
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 101

[10.361]→[10.361:433](∅→∅)

auto d1 = s1.find('.', p1);
auto d2 = s2.find('.', p2);

[10.361]

[10.433]

auto s = readLine(from.get());
if (s == "exit") break;
if (!hasPrefix(s, "do ")) abort();
std::string attrPath(s, 3);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 106

[10.434]→[10.434:493](∅→∅)

auto c = s1.compare(p1, d1 - p1, s2, p2, d2 - p2);

[10.434]

[10.493]

debug("worker process %d at '%s'", getpid(), attrPath);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 108

[10.494]→[10.494:559](∅→∅)

if (c < 0) return true;
if (c > 0) return false;

[10.494]

[10.559]

/* Evaluate it and send info back to the master. */
nlohmann::json reply;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 111

[10.560]→[10.560:686](∅→∅)

p1 = d1 == std::string::npos ? s1.size() : d1 + 1;
p2 = d2 == std::string::npos ? s2.size() : d2 + 1;
}
}

[10.560]

[10.686]

try {
auto v = findAlongAttrPath(state, attrPath, autoArgs, *vRoot).first;
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 114

[10.687]

[10.687]

state.forceValue(*v);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 116

[10.688]→[10.369:434](∅→∅),[10.1574]→[10.369:434](∅→∅),[10.434]→[10.95:158](∅→∅),[10.158]→[10.255:257](∅→∅),[10.426]→[10.255:257](∅→∅),[10.1673]→[10.255:257](∅→∅),[10.255]→[10.255:257](∅→∅),[10.257]→[10.689:756](∅→∅)

static void findJobsWrapped(EvalState & state, JSONObject & top,
Bindings & autoArgs, Value & vIn, const string & attrPath)
{
if (lastAttrPath != "" && lte(attrPath, lastAttrPath)) return;

[10.688]

[10.756]

if (auto drv = getDerivation(state, *v, false)) {
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 118

[10.757]→[10.1529:1576](∅→∅),[10.257]→[10.1529:1576](∅→∅)

debug(format("at path `%1%'") % attrPath);

[10.757]

[10.54]

DrvInfo::Outputs outputs = drv->queryOutputs();
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 120

[10.55]→[10.55:77](∅→∅)

checkInterrupt();

[10.55]

[10.979]

if (drv->querySystem() == "unknown")
throw EvalError("derivation must have a 'system' attribute");
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 123

[10.980]→[10.159:218](∅→∅)

Value v;
state.autoCallFunction(autoArgs, vIn, v);

[10.980]

[10.336]

auto drvPath = drv->queryDrvPath();
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 125

[10.337]→[10.1700:1728](∅→∅)

if (v.type == tAttrs) {

[10.337]

[10.511]

nlohmann::json job;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 127

[10.512]→[10.0:51](∅→∅)

auto drv = getDerivation(state, v, false);

[10.512]

[10.802]

job["nixName"] = drv->queryName();
job["system"] =drv->querySystem();
job["drvPath"] = drvPath;
job["description"] = drv->queryMetaString("description");
job["license"] = queryMetaStrings(state, *drv, "license", "shortName");
job["homepage"] = drv->queryMetaString("homepage");
job["maintainers"] = queryMetaStrings(state, *drv, "maintainers", "email");
job["schedulingPriority"] = drv->queryMetaInt("schedulingPriority", 100);
job["timeout"] = drv->queryMetaInt("timeout", 36000);
job["maxSilent"] = drv->queryMetaInt("maxSilent", 7200);
job["isChannel"] = drv->queryMetaBool("isHydraChannel", false);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 139

[10.803]→[10.52:71](∅→∅),[10.71]→[10.29:55](∅→∅),[10.712]→[10.29:55](∅→∅)

if (drv) {
Path drvPath;

[10.803]

[10.0]

/* If this is an aggregate, then get its constituents. */
auto a = v->attrs->get(state.symbols.create("_hydraAggregate"));
if (a && state.forceBool(*a->value, *a->pos)) {
auto a = v->attrs->get(state.symbols.create("constituents"));
if (!a)
throw EvalError("derivation must have a ‘constituents’ attribute");
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 146

[10.1]→[10.72:132](∅→∅)

DrvInfo::Outputs outputs = drv->queryOutputs();
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 147

[10.748]→[10.133:182](∅→∅),[10.182]→[10.41:123](∅→∅),[10.41]→[10.41:123](∅→∅),[10.123]→[10.758:819](∅→∅),[10.819]→[10.123:124](∅→∅),[10.123]→[10.123:124](∅→∅),[10.124]→[10.0:14](∅→∅),[10.14]→[10.20:65](∅→∅),[10.65]→[10.183:424](∅→∅),[10.424]→[7.189:277](∅→∅),[7.277]→[10.499:567](∅→∅),[10.499]→[10.499:567](∅→∅),[10.567]→[7.278:370](∅→∅),[7.370]→[10.650:963](∅→∅),[10.650]→[10.650:963](∅→∅)

if (drv->querySystem() == "unknown")
throw EvalError("derivation must have a ‘system’ attribute");

if (comma) { std::cout << ","; comma = false; }

{
auto res = top.object(attrPath);
res.attr("nixName", drv->queryName());
res.attr("system", drv->querySystem());
res.attr("drvPath", drvPath = drv->queryDrvPath());
res.attr("description", drv->queryMetaString("description"));
res.attr("license", queryMetaStrings(state, *drv, "license", "shortName"));
res.attr("homepage", drv->queryMetaString("homepage"));
res.attr("maintainers", queryMetaStrings(state, *drv, "maintainers", "email"));
res.attr("schedulingPriority", drv->queryMetaInt("schedulingPriority", 100));
res.attr("timeout", drv->queryMetaInt("timeout", 36000));
res.attr("maxSilent", drv->queryMetaInt("maxSilent", 7200));
res.attr("isChannel", drv->queryMetaBool("isHydraChannel", false));

[10.748]

[10.259]

PathSet context;
state.coerceToString(*a->pos, *a->value, context, true, false);
for (auto & i : context)
if (i.at(0) == '!') {
size_t index = i.find("!", 1);
job["constituents"].push_back(string(i, index + 1));
}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 155

[10.1270]→[10.0:70](∅→∅),[10.70]→[10.65:156](∅→∅),[10.65]→[10.65:156](∅→∅),[10.156]→[10.66:144](∅→∅),[10.144]→[10.71:163](∅→∅),[10.225]→[10.71:163](∅→∅),[10.163]→[10.312:353](∅→∅),[10.312]→[10.312:353](∅→∅),[10.353]→[10.164:256](∅→∅),[10.256]→[10.440:473](∅→∅),[10.440]→[10.440:473](∅→∅),[10.473]→[10.26:106](∅→∅),[10.106]→[10.544:574](∅→∅),[10.544]→[10.544:574](∅→∅),[10.574]→[10.304:501](∅→∅)

/* If this is an aggregate, then get its constituents. */
Bindings::iterator a = v.attrs->find(state.symbols.create("_hydraAggregate"));
if (a != v.attrs->end() && state.forceBool(*a->value, *a->pos)) {
Bindings::iterator a = v.attrs->find(state.symbols.create("constituents"));
if (a == v.attrs->end())
throw EvalError("derivation must have a ‘constituents’ attribute");
PathSet context;
state.coerceToString(*a->pos, *a->value, context, true, false);
PathSet drvs;
for (auto & i : context)
if (i.at(0) == '!') {
size_t index = i.find("!", 1);
drvs.insert(string(i, index + 1));

[10.260]

[10.789]

state.forceList(*a->value, *a->pos);
for (unsigned int n = 0; n < a->value->listSize(); ++n) {
auto v = a->value->listElems()[n];
state.forceValue(*v);
if (v->type == tString)
job["namedConstituents"].push_back(state.forceStringNoCtx(*v));
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 162

[10.811]→[10.1262:1333](∅→∅),[10.329]→[10.878:892](∅→∅),[10.1333]→[10.878:892](∅→∅),[10.878]→[10.878:892](∅→∅)

res.attr("constituents", concatStringsSep(" ", drvs));
}

[10.811]

[10.892]

}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 164

[10.893]→[10.126:278](∅→∅),[10.1270]→[10.126:278](∅→∅),[10.953]→[10.126:278](∅→∅),[10.278]→[10.145:275](∅→∅),[10.275]→[9.47:262](∅→∅),[10.82]→[10.178:192](∅→∅),[10.87]→[10.178:192](∅→∅),[9.262]→[10.178:192](∅→∅),[10.362]→[10.178:192](∅→∅),[10.178]→[10.178:192](∅→∅),[10.192]→[10.804:805](∅→∅),[10.805]→[10.363:410](∅→∅),[10.410]→[10.1405:1488](∅→∅),[10.1405]→[10.1405:1488](∅→∅),[10.1488]→[10.15:16](∅→∅),[10.16]→[10.820:834](∅→∅)

/* Register the derivation as a GC root. !!! This
registers roots for jobs that we may have already
done. */
auto localStore = state.store.dynamic_pointer_cast<LocalFSStore>();
if (gcRootsDir != "" && localStore) {
Path root = gcRootsDir + "/" + std::string(baseNameOf(drvPath));
if (!pathExists(root))
localStore->addPermRoot(localStore->parseStorePath(drvPath), root, false);
}

auto res2 = res.object("outputs");
for (auto & j : outputs)
res2.attr(j.first, j.second);

}

[10.893]

[10.834]

/* Register the derivation as a GC root. !!! This
registers roots for jobs that we may have already
done. */
auto localStore = state.store.dynamic_pointer_cast<LocalFSStore>();
if (gcRootsDir != "" && localStore) {
Path root = gcRootsDir + "/" + std::string(baseNameOf(drvPath));
if (!pathExists(root))
localStore->addPermRoot(localStore->parseStorePath(drvPath), root, false);
}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 174

[10.835]→[10.835:915](∅→∅)

GC_prof_stats_s gc;
GC_get_prof_stats(&gc, sizeof(gc));

[10.835]

[10.915]

nlohmann::json out;
for (auto & j : outputs)
out[j.first] = j.second;
job["outputs"] = std::move(out);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 179

[10.916]→[10.916:1173](∅→∅)

if (gc.heapsize_full > maxHeapSize) {
printInfo("restarting hydra-eval-jobs after job '%s' because heap size is at %d bytes", attrPath, gc.heapsize_full);
lastAttrPath = attrPath;
throw BailOut();

[10.916]

[10.16]

reply["job"] = std::move(job);
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 181

[10.64]→[10.1148:1158](∅→∅),[10.419]→[10.1148:1158](∅→∅),[10.1488]→[10.1148:1158](∅→∅),[10.1863]→[10.1148:1158](∅→∅),[10.1148]→[10.1148:1158](∅→∅)

}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 182

[10.1159]→[10.1159:1174](∅→∅),[10.1174]→[10.78:120](∅→∅),[10.120]→[10.1174:1239](∅→∅)

else {
if (!state.isDerivation(v)) {
for (auto & i : v.attrs->lexicographicOrder()) {

[10.1159]

[10.1239]

else if (v->type == tAttrs) {
auto attrs = nlohmann::json::array();
StringSet ss;
for (auto & i : v->attrs->lexicographicOrder()) {
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 187

[10.1286]→[10.1286:1409](∅→∅)

/* Skip jobs with dots in the name. */
if (name.find('.') != std::string::npos) {

[10.1286]

[10.1409]

if (name.find('.') != std::string::npos || name.find(' ') != std::string::npos) {
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 191

[10.1546]→[10.1546:1683](∅→∅)

findJobs(state, top, autoArgs, *i->value,
(attrPath.empty() ? "" : attrPath + ".") + name);

[10.1546]

[10.1683]

attrs.push_back(name);
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 193

[10.1701]

[10.336]

reply["attrs"] = std::move(attrs);
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 195

[10.350]

[10.1402]

} catch (EvalError & e) {
reply["error"] = filterANSIEscapes(e.msg(), true);
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 199

[10.1412]→[10.1412:1418](∅→∅)

}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 200

[10.7]→[2.0:32](∅→∅),[2.32]→[10.38:89](∅→∅),[10.38]→[10.38:89](∅→∅)

else if (v.type == tNull) {
// allow null values, meaning 'do nothing'

[10.1419]

[10.1503]

writeLine(to.get(), reply.dump());

/* If our RSS exceeds the maximum, exit. The master will
start a new process. */
struct rusage r;
getrusage(RUSAGE_SELF, &r);
if ((size_t) r.ru_maxrss > maxMemorySize * 1024) break;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 209

[10.2020]→[10.2020:2029](∅→∅),[10.2029]→[10.2240:2303](∅→∅)

else
throw TypeError(format("unsupported value: %1%") % v);

[10.2020]

[10.490]

writeLine(to.get(), "restart");
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 211

[10.492]→[10.492:494](∅→∅),[10.494]→[10.1607:1665](∅→∅),[10.1665]→[10.281:342](∅→∅),[10.342]→[10.646:658](∅→∅),[10.612]→[10.646:658](∅→∅),[10.2402]→[10.646:658](∅→∅),[10.646]→[10.646:658](∅→∅),[10.658]→[10.343:403](∅→∅),[10.403]→[10.0:30](∅→∅),[10.673]→[10.0:30](∅→∅),[10.1726]→[10.0:30](∅→∅),[10.2473]→[10.0:30](∅→∅),[10.728]→[10.0:30](∅→∅),[10.30]→[10.1702:1758](∅→∅),[10.1758]→[10.411:452](∅→∅),[10.10]→[10.411:452](∅→∅),[10.452]→[4.0:61](∅→∅),[4.61]→[10.944:950](∅→∅),[10.95]→[10.944:950](∅→∅),[10.1849]→[10.944:950](∅→∅),[10.944]→[10.944:950](∅→∅),[10.950]→[10.541:544](∅→∅),[10.1571]→[10.541:544](∅→∅),[10.2102]→[10.541:544](∅→∅),[10.541]→[10.541:544](∅→∅)

static void findJobs(EvalState & state, JSONObject & top,
Bindings & autoArgs, Value & v, const string & attrPath)
{
try {
findJobsWrapped(state, top, autoArgs, v, attrPath);
} catch (EvalError & e) {
if (comma) { std::cout << ","; comma = false; }
auto res = top.object(attrPath);
res.attr("error", filterANSIEscapes(e.msg(), true));
}
}
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 214

[10.570]→[10.1759:2154](∅→∅)

assert(lte("abc", "def"));
assert(lte("abc", "def.foo"));
assert(!lte("def", "abc"));
assert(lte("nixpkgs.hello", "nixpkgs"));
assert(lte("nixpkgs.hello", "nixpkgs.hellooo"));
assert(lte("gitAndTools.git-annex.x86_64-darwin", "gitAndTools.git-annex.x86_64-linux"));
assert(lte("gitAndTools.git-annex.x86_64-linux", "gitAndTools.git-annex-remote-b2.aarch64-linux"));
edit in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 221

[10.139]→[10.139:335](∅→∅)

auto initialHeapSize = config->getStrOption("evaluator_initial_heap_size", "");
if (initialHeapSize != "")
setenv("GC_INITIAL_HEAP_SIZE", initialHeapSize.c_str(), 1);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 222

[10.336]→[10.2155:2237](∅→∅)

maxHeapSize = config->getIntOption("evaluator_max_heap_size", 1UL << 30);

[10.336]

[10.2237]

auto nrWorkers = config->getIntOption("evaluator_workers", 1);
maxMemorySize = config->getIntOption("evaluator_max_memory_size", 4096);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 228

[8.1]→[8.1:199](∅→∅)

/* Read the current heap size, which is the initial heap size. */
GC_prof_stats_s gc;
GC_get_prof_stats(&gc, sizeof(gc));
auto initialHeapSizeInt = gc.heapsize_full;

[8.1]

[8.199]

myArgs.parseCmdline(argvToStrings(argc, argv));
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 230

[8.200]→[8.200:634](∅→∅)

/* Then make sure the maximum heap size will be bigger than the initial heap size. */
if (initialHeapSizeInt > maxHeapSize) {
printInfo("warning: evaluator_initial_heap_size (%d) bigger than evaluator_max_heap_size (%d).", initialHeapSizeInt, maxHeapSize);
maxHeapSize = initialHeapSizeInt * 1.1;
printInfo(" evaluator_max_heap_size now set to %d.", maxHeapSize);
}

[8.200]

[10.27]

/* FIXME: The build hook in conjunction with import-from-derivation is causing "unexpected EOF" during eval */
settings.builders = "";
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 233

[10.128]→[10.128:154](∅→∅)

Path releaseExpr;

[10.28]

[10.199]

/* Prevent access to paths outside of the Nix search path and
to the environment. */
evalSettings.restrictEval = true;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 237

[10.200]→[10.404:452](∅→∅)

struct MyArgs : LegacyArgs, MixEvalArgs

[10.200]

[10.452]

if (myArgs.dryRun) settings.readOnlyMode = true;

if (myArgs.releaseExpr == "") throw UsageError("no expression specified");

if (gcRootsDir == "") printMsg(lvlError, "warning: `--gc-roots-dir' not specified");

struct State
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 245

[10.462]→[10.462:504](∅→∅)

using LegacyArgs::LegacyArgs;

[10.462]

[10.504]

std::set<std::string> todo{""};
std::set<std::string> active;
nlohmann::json jobs;
std::exception_ptr exc;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 251

[10.516]→[10.516:663](∅→∅),[10.663]→[10.975:1028](∅→∅),[10.975]→[10.975:1028](∅→∅),[10.1028]→[10.23:111](∅→∅),[10.111]→[10.1028:1112](∅→∅),[10.1028]→[10.1028:1112](∅→∅),[10.80]→[10.2631:2648](∅→∅),[10.1112]→[10.2631:2648](∅→∅),[10.1258]→[10.2631:2648](∅→∅),[10.2631]→[10.2631:2648](∅→∅),[10.2648]→[10.0:36](∅→∅),[10.36]→[10.1158:1195](∅→∅),[10.1158]→[10.1158:1195](∅→∅)

MyArgs myArgs(baseNameOf(argv[0]), [&](Strings::iterator & arg, const Strings::iterator & end) {
if (*arg == "--gc-roots-dir")
gcRootsDir = getArg(*arg, arg, end);
else if (*arg == "--dry-run")
settings.readOnlyMode = true;
else if (*arg != "" && arg->at(0) == '-')
return false;
else
releaseExpr = *arg;
return true;
});

[10.516]

[10.664]

std::condition_variable wakeup;

Sync<State> state_;

/* Start a handler thread per worker process. */
auto handler = [&]()
{
try {
pid_t pid = -1;
AutoCloseFD from, to;

while (true) {
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 264

[10.665]→[10.665:721](∅→∅)

myArgs.parseCmdline(argvToStrings(argc, argv));

[10.665]

[10.0]

/* Start a new worker process if necessary. */
if (pid == -1) {
Pipe toPipe, fromPipe;
toPipe.create();
fromPipe.create();
pid = startProcess(
[&,
to{std::make_shared<AutoCloseFD>(std::move(fromPipe.writeSide))},
from{std::make_shared<AutoCloseFD>(std::move(toPipe.readSide))}
]()
{
try {
EvalState state(myArgs.searchPath, openStore());
Bindings & autoArgs = *myArgs.getAutoArgs(state);
worker(state, autoArgs, *to, *from);
} catch (std::exception & e) {
nlohmann::json err;
err["error"] = e.what();
writeLine(to->get(), err.dump());
}
},
ProcessOptions { .allowVfork = false });
from = std::move(fromPipe.readSide);
to = std::move(toPipe.writeSide);
debug("created worker process %d", pid);
}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 291

[10.1]→[10.2239:2308](∅→∅)

JSONObject json(std::cout, true);
std::cout.flush();

[10.1]

[10.158]

/* Check whether the existing worker process is still there. */
auto s = readLine(from.get());
if (s == "restart") {
pid = -1;
continue;
} else if (s != "next") {
auto json = nlohmann::json::parse(s);
throw Error("worker error: %s", (std::string) json["error"]);
}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 301

[10.159]→[10.2309:2322](∅→∅)

do {

[10.159]

[10.2322]

/* Wait for a job name to become available. */
std::string attrPath;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 304

[10.2323]→[10.2323:2373](∅→∅)

Pipe pipe;
pipe.create();

[10.2323]

[10.854]

while (true) {
checkInterrupt();
auto state(state_.lock());
if ((state->todo.empty() && state->active.empty()) || state->exc) {
writeLine(to.get(), "exit");
return;
}
if (!state->todo.empty()) {
attrPath = *state->todo.begin();
state->todo.erase(state->todo.begin());
state->active.insert(attrPath);
break;
} else
state.wait(wakeup);
}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 320

[10.855]→[10.2374:2450](∅→∅)

ProcessOptions options;
options.allowVfork = false;

[10.855]

[6.28]

/* Tell the worker to evaluate it. */
writeLine(to.get(), "do " + attrPath);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 323

[6.29]→[6.29:62](∅→∅)

GC_atfork_prepare();

[6.29]

[10.808]

/* Wait for the response. */
auto response = nlohmann::json::parse(readLine(from.get()));
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 326

[10.809]→[10.2451:2531](∅→∅)

auto pid = startProcess([&]() {
pipe.readSide = -1;

[10.809]

[6.63]

/* Handle the response. */
StringSet newAttrs;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 329

[6.64]→[6.64:140](∅→∅)

GC_atfork_child();
GC_start_mark_threads();

[6.64]

[10.810]

if (response.find("job") != response.end()) {
auto state(state_.lock());
state->jobs[attrPath] = response["job"];
}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 334

[10.811]→[10.2532:2615](∅→∅)

if (lastAttrPath != "") debug("resuming from '%s'", lastAttrPath);

[10.811]

[10.880]

if (response.find("attrs") != response.end()) {
for (auto & i : response["attrs"]) {
auto s = (attrPath.empty() ? "" : attrPath + ".") + (std::string) i;
newAttrs.insert(s);
}
}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 341

[10.881]→[10.2616:2783](∅→∅)

/* FIXME: The build hook in conjunction with import-from-derivation is causing "unexpected EOF" during eval */
settings.builders = "";

[10.881]

[10.1624]

if (response.find("error") != response.end()) {
auto state(state_.lock());
state->jobs[attrPath]["error"] = response["error"];
}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 346

[10.1625]→[10.2784:2904](∅→∅),[10.2904]→[3.0:50](∅→∅)

/* Prevent access to paths outside of the Nix search path and
to the environment. */
evalSettings.restrictEval = true;

[10.1625]

[10.1021]

/* Add newly discovered job names to the queue. */
{
auto state(state_.lock());
state->active.erase(attrPath);
for (auto & s : newAttrs)
state->todo.insert(s);
wakeup.notify_all();
}
}
} catch (...) {
auto state(state_.lock());
state->exc = std::current_exception();
wakeup.notify_all();
}
};
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 362

[10.1022]→[10.2955:3039](∅→∅)

if (releaseExpr == "") throw UsageError("no expression specified");

[10.1022]

[10.1022]

std::vector<std::thread> threads;
for (size_t i = 0; i < nrWorkers; i++)
threads.emplace_back(std::thread(handler));
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 366

[10.1023]→[10.3040:3141](∅→∅)

if (gcRootsDir == "") printMsg(lvlError, "warning: `--gc-roots-dir' not specified");

[10.1023]

[10.3141]

for (auto & thread : threads)
thread.join();
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 369

[10.3142]→[10.3142:3207](∅→∅)

EvalState state(myArgs.searchPath, openStore());

[10.3142]

[10.3207]

auto state(state_.lock());
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 371

[10.3208]→[10.3208:3274](∅→∅)

Bindings & autoArgs = *myArgs.getAutoArgs(state);

[10.3208]

[10.3274]

if (state->exc)
std::rethrow_exception(state->exc);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 374

[10.3275]→[10.3275:3370](∅→∅)

Value v;
state.evalFile(lookupFileArg(state, releaseExpr), v);

[10.3275]

[10.3370]

/* For aggregate jobs that have named consistuents
(i.e. constituents that are a job name rather than a
derivation), look up the referenced job and add it to the
dependencies of the aggregate derivation. */
auto store = openStore();
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 380

[10.3371]→[10.3371:3415](∅→∅)

comma = lastAttrPath != "";

[10.3371]

[10.3415]

for (auto i = state->jobs.begin(); i != state->jobs.end(); ++i) {
auto jobName = i.key();
auto & job = i.value();
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 384

[10.3416]→[10.3416:3577](∅→∅)

try {
findJobs(state, json, autoArgs, v, "");
lastAttrPath = "";
} catch (BailOut &) { }

[10.3416]

[10.3577]

auto named = job.find("namedConstituents");
if (named == job.end()) continue;
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 387

[10.3578]→[10.3578:3641](∅→∅)

writeFull(pipe.writeSide.get(), lastAttrPath);

[10.3578]

[10.3641]

if (myArgs.dryRun) {
for (std::string jobName2 : *named) {
auto job2 = state->jobs.find(jobName2);
if (job2 == state->jobs.end())
throw Error("aggregate job '%s' references non-existent job '%s'", jobName, jobName2);
std::string drvPath2 = (*job2)["drvPath"];
job["constituents"].push_back(drvPath2);
}
} else {
std::string drvPath = job["drvPath"];
auto drv = readDerivation(*store, drvPath);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 399

[10.3642]→[10.3642:3692](∅→∅)

exit(0);
}, options);

[10.3642]

[6.141]

for (std::string jobName2 : *named) {
auto job2 = state->jobs.find(jobName2);
if (job2 == state->jobs.end())
throw Error("aggregate job '%s' references non-existent job '%s'", jobName, jobName2);
std::string drvPath2 = (*job2)["drvPath"];
auto drv2 = readDerivation(*store, drvPath2);
job["constituents"].push_back(drvPath2);
drv.inputDrvs[store->parseStorePath(drvPath2)] = {drv2.outputs.begin()->first};
}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 409

[6.142]→[6.142:174](∅→∅)

GC_atfork_parent();

[6.142]

[10.3692]

std::string drvName(store->parseStorePath(drvPath).name());
assert(hasSuffix(drvName, drvExtension));
drvName.resize(drvName.size() - drvExtension.size());
auto h = hashDerivationModulo(*store, drv, true);
auto outPath = store->makeOutputPath("out", h, drvName);
drv.env["out"] = store->printStorePath(outPath);
drv.outputs.insert_or_assign("out", DerivationOutput(outPath.clone(), "", ""));
auto newDrvPath = store->printStorePath(writeDerivation(store, drv, drvName));
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 418

[10.3693]→[10.3693:3726](∅→∅)

pipe.writeSide = -1;

[10.3693]

[10.3726]

debug("rewrote aggregate derivation %s -> %s", drvPath, newDrvPath);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 420

[10.3727]→[10.3727:3918](∅→∅)

int status;
while (true) {
checkInterrupt();
if (waitpid(pid, &status, 0) == pid) break;
if (errno != EINTR) continue;

[10.3727]

[10.3918]

job["drvPath"] = newDrvPath;
job["outputs"]["out"] = store->printStorePath(outPath);
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 424

[10.3933]→[10.3933:4036](∅→∅)

if (status != 0)
throw Exit(WIFEXITED(status) ? WEXITSTATUS(status) : 99);

[10.3933]

[10.115]

job.erase("namedConstituents");
}
replacement in src/hydra-eval-jobs/hydra-eval-jobs.cc at line 427

[10.116]→[5.0:45](∅→∅),[5.45]→[10.4036:4132](∅→∅),[10.161]→[10.4036:4132](∅→∅),[10.4036]→[10.4036:4132](∅→∅)

maxHeapSize += 64 * 1024 * 1024;

lastAttrPath = drainFD(pipe.readSide.get());
} while (lastAttrPath != "");

[10.116]

[10.2155]

std::cout << state->jobs.dump(2) << "\n";