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-rw-r--r--src/libstore/build/derivation-goal.cc6
-rw-r--r--src/libstore/build/derivation-goal.hh3
-rw-r--r--src/libstore/build/drv-output-substitution-goal.cc3
-rw-r--r--src/libstore/build/drv-output-substitution-goal.hh3
-rw-r--r--src/libstore/build/substitution-goal.cc17
-rw-r--r--src/libstore/build/substitution-goal.hh3
-rw-r--r--src/libstore/build/worker.cc36
-rw-r--r--src/libstore/build/worker.hh42
-rw-r--r--src/libutil/meson.build1
-rw-r--r--src/libutil/notifying-counter.hh99
10 files changed, 170 insertions, 43 deletions
diff --git a/src/libstore/build/derivation-goal.cc b/src/libstore/build/derivation-goal.cc
index 1dda1b1b4..c288003b4 100644
--- a/src/libstore/build/derivation-goal.cc
+++ b/src/libstore/build/derivation-goal.cc
@@ -71,7 +71,7 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath,
DerivedPath::Built { makeConstantStorePathRef(drvPath), wantedOutputs }.to_string(worker.store));
trace("created");
- mcExpectedBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.expectedBuilds);
+ mcExpectedBuilds = worker.expectedBuilds.addTemporarily(1);
}
@@ -91,7 +91,7 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath, const BasicDerivation
DerivedPath::Built { makeConstantStorePathRef(drvPath), drv.outputNames() }.to_string(worker.store));
trace("created");
- mcExpectedBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.expectedBuilds);
+ mcExpectedBuilds = worker.expectedBuilds.addTemporarily(1);
/* Prevent the .chroot directory from being
garbage-collected. (See isActiveTempFile() in gc.cc.) */
@@ -662,7 +662,7 @@ void DerivationGoal::started()
if (hook) msg += fmt(" on '%s'", machineName);
act = std::make_unique<Activity>(*logger, lvlInfo, actBuild, msg,
Logger::Fields{worker.store.printStorePath(drvPath), hook ? machineName : "", 1, 1});
- mcRunningBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.runningBuilds);
+ mcRunningBuilds = worker.runningBuilds.addTemporarily(1);
}
Goal::WorkResult DerivationGoal::tryToBuild(bool inBuildSlot)
diff --git a/src/libstore/build/derivation-goal.hh b/src/libstore/build/derivation-goal.hh
index 77f9fef4b..bf4a3da93 100644
--- a/src/libstore/build/derivation-goal.hh
+++ b/src/libstore/build/derivation-goal.hh
@@ -1,6 +1,7 @@
#pragma once
///@file
+#include "notifying-counter.hh"
#include "parsed-derivations.hh"
#include "lock.hh"
#include "outputs-spec.hh"
@@ -217,7 +218,7 @@ struct DerivationGoal : public Goal
BuildMode buildMode;
- std::unique_ptr<MaintainCount<uint64_t>> mcExpectedBuilds, mcRunningBuilds;
+ NotifyingCounter<uint64_t>::Bump mcExpectedBuilds, mcRunningBuilds;
std::unique_ptr<Activity> act;
diff --git a/src/libstore/build/drv-output-substitution-goal.cc b/src/libstore/build/drv-output-substitution-goal.cc
index 9acff14b0..369b2dd90 100644
--- a/src/libstore/build/drv-output-substitution-goal.cc
+++ b/src/libstore/build/drv-output-substitution-goal.cc
@@ -42,8 +42,7 @@ Goal::WorkResult DrvOutputSubstitutionGoal::tryNext(bool inBuildSlot)
return WaitForSlot{};
}
- maintainRunningSubstitutions =
- std::make_unique<MaintainCount<uint64_t>>(worker.runningSubstitutions);
+ maintainRunningSubstitutions = worker.runningSubstitutions.addTemporarily(1);
if (subs.size() == 0) {
/* None left. Terminate this goal and let someone else deal
diff --git a/src/libstore/build/drv-output-substitution-goal.hh b/src/libstore/build/drv-output-substitution-goal.hh
index b48c4670b..8de4d45dd 100644
--- a/src/libstore/build/drv-output-substitution-goal.hh
+++ b/src/libstore/build/drv-output-substitution-goal.hh
@@ -1,6 +1,7 @@
#pragma once
///@file
+#include "notifying-counter.hh"
#include "store-api.hh"
#include "goal.hh"
#include "realisation.hh"
@@ -40,7 +41,7 @@ class DrvOutputSubstitutionGoal : public Goal {
*/
std::shared_ptr<Store> sub;
- std::unique_ptr<MaintainCount<uint64_t>> maintainRunningSubstitutions;
+ NotifyingCounter<uint64_t>::Bump maintainRunningSubstitutions;
struct DownloadState
{
diff --git a/src/libstore/build/substitution-goal.cc b/src/libstore/build/substitution-goal.cc
index 1d24938e5..a798cbde2 100644
--- a/src/libstore/build/substitution-goal.cc
+++ b/src/libstore/build/substitution-goal.cc
@@ -21,7 +21,7 @@ PathSubstitutionGoal::PathSubstitutionGoal(
state = &PathSubstitutionGoal::init;
name = fmt("substitution of '%s'", worker.store.printStorePath(this->storePath));
trace("created");
- maintainExpectedSubstitutions = std::make_unique<MaintainCount<uint64_t>>(worker.expectedSubstitutions);
+ maintainExpectedSubstitutions = worker.expectedSubstitutions.addTemporarily(1);
}
@@ -139,11 +139,11 @@ Goal::WorkResult PathSubstitutionGoal::tryNext(bool inBuildSlot)
/* Update the total expected download size. */
auto narInfo = std::dynamic_pointer_cast<const NarInfo>(info);
- maintainExpectedNar = std::make_unique<MaintainCount<uint64_t>>(worker.expectedNarSize, info->narSize);
+ maintainExpectedNar = worker.expectedNarSize.addTemporarily(info->narSize);
maintainExpectedDownload =
narInfo && narInfo->fileSize
- ? std::make_unique<MaintainCount<uint64_t>>(worker.expectedDownloadSize, narInfo->fileSize)
+ ? worker.expectedDownloadSize.addTemporarily(narInfo->fileSize)
: nullptr;
/* Bail out early if this substituter lacks a valid
@@ -200,7 +200,7 @@ Goal::WorkResult PathSubstitutionGoal::tryToRun(bool inBuildSlot)
return WaitForSlot{};
}
- maintainRunningSubstitutions = std::make_unique<MaintainCount<uint64_t>>(worker.runningSubstitutions);
+ maintainRunningSubstitutions = worker.runningSubstitutions.addTemporarily(1);
outPipe.create();
@@ -268,13 +268,10 @@ Goal::WorkResult PathSubstitutionGoal::finished(bool inBuildSlot)
maintainExpectedSubstitutions.reset();
worker.doneSubstitutions++;
- if (maintainExpectedDownload) {
- auto fileSize = maintainExpectedDownload->delta;
- maintainExpectedDownload.reset();
- worker.doneDownloadSize += fileSize;
- }
+ worker.doneDownloadSize += maintainExpectedDownload.delta();
+ maintainExpectedDownload.reset();
- worker.doneNarSize += maintainExpectedNar->delta;
+ worker.doneNarSize += maintainExpectedNar.delta();
maintainExpectedNar.reset();
return done(ecSuccess, BuildResult::Substituted);
diff --git a/src/libstore/build/substitution-goal.hh b/src/libstore/build/substitution-goal.hh
index 5d58b34a0..9c7e6f470 100644
--- a/src/libstore/build/substitution-goal.hh
+++ b/src/libstore/build/substitution-goal.hh
@@ -2,6 +2,7 @@
///@file
#include "lock.hh"
+#include "notifying-counter.hh"
#include "store-api.hh"
#include "goal.hh"
@@ -63,7 +64,7 @@ struct PathSubstitutionGoal : public Goal
*/
Path destPath;
- std::unique_ptr<MaintainCount<uint64_t>> maintainExpectedSubstitutions,
+ NotifyingCounter<uint64_t>::Bump maintainExpectedSubstitutions,
maintainRunningSubstitutions, maintainExpectedNar, maintainExpectedDownload;
typedef WorkResult (PathSubstitutionGoal::*GoalState)(bool inBuildSlot);
diff --git a/src/libstore/build/worker.cc b/src/libstore/build/worker.cc
index 7336ad50f..24c700396 100644
--- a/src/libstore/build/worker.cc
+++ b/src/libstore/build/worker.cc
@@ -320,6 +320,27 @@ void Worker::waitForAWhile(GoalPtr goal)
}
+void Worker::updateStatistics()
+{
+ // only update progress info while running. this notably excludes updating
+ // progress info while destroying, which causes the progress bar to assert
+ if (running && statisticsOutdated) {
+ actDerivations.progress(
+ doneBuilds, expectedBuilds + doneBuilds, runningBuilds, failedBuilds
+ );
+ actSubstitutions.progress(
+ doneSubstitutions,
+ expectedSubstitutions + doneSubstitutions,
+ runningSubstitutions,
+ failedSubstitutions
+ );
+ act.setExpected(actFileTransfer, expectedDownloadSize + doneDownloadSize);
+ act.setExpected(actCopyPath, expectedNarSize + doneNarSize);
+
+ statisticsOutdated = false;
+ }
+}
+
Goals Worker::run(std::function<Goals (GoalFactory &)> req)
{
auto _topGoals = req(goalFactory());
@@ -329,6 +350,8 @@ Goals Worker::run(std::function<Goals (GoalFactory &)> req)
running = true;
Finally const _stop([&] { running = false; });
+ updateStatistics();
+
for (auto & i : _topGoals) {
topGoals.insert(i);
if (auto goal = dynamic_cast<DerivationGoal *>(i.get())) {
@@ -373,18 +396,7 @@ Goals Worker::run(std::function<Goals (GoalFactory &)> req)
? nrSubstitutions < std::max(1U, (unsigned int) settings.maxSubstitutionJobs)
: nrLocalBuilds < settings.maxBuildJobs;
handleWorkResult(goal, goal->work(inSlot));
-
- actDerivations.progress(
- doneBuilds, expectedBuilds + doneBuilds, runningBuilds, failedBuilds
- );
- actSubstitutions.progress(
- doneSubstitutions,
- expectedSubstitutions + doneSubstitutions,
- runningSubstitutions,
- failedSubstitutions
- );
- act.setExpected(actFileTransfer, expectedDownloadSize + doneDownloadSize);
- act.setExpected(actCopyPath, expectedNarSize + doneNarSize);
+ updateStatistics();
if (topGoals.empty()) break; // stuff may have been cancelled
}
diff --git a/src/libstore/build/worker.hh b/src/libstore/build/worker.hh
index 3fbf457fe..9a6ed8449 100644
--- a/src/libstore/build/worker.hh
+++ b/src/libstore/build/worker.hh
@@ -1,6 +1,7 @@
#pragma once
///@file
+#include "notifying-counter.hh"
#include "types.hh"
#include "lock.hh"
#include "store-api.hh"
@@ -213,6 +214,21 @@ private:
void childStarted(GoalPtr goal, const std::set<int> & fds,
bool inBuildSlot);
+ /**
+ * Pass current stats counters to the logger for progress bar updates.
+ */
+ void updateStatistics();
+
+ bool statisticsOutdated = true;
+
+ /**
+ * Mark statistics as outdated, such that `updateStatistics` will be called.
+ */
+ void updateStatisticsLater()
+ {
+ statisticsOutdated = true;
+ }
+
public:
const Activity act;
@@ -234,19 +250,19 @@ public:
HookState hook;
- uint64_t expectedBuilds = 0;
- uint64_t doneBuilds = 0;
- uint64_t failedBuilds = 0;
- uint64_t runningBuilds = 0;
-
- uint64_t expectedSubstitutions = 0;
- uint64_t doneSubstitutions = 0;
- uint64_t failedSubstitutions = 0;
- uint64_t runningSubstitutions = 0;
- uint64_t expectedDownloadSize = 0;
- uint64_t doneDownloadSize = 0;
- uint64_t expectedNarSize = 0;
- uint64_t doneNarSize = 0;
+ NotifyingCounter<uint64_t> expectedBuilds{[this] { updateStatisticsLater(); }};
+ NotifyingCounter<uint64_t> doneBuilds{[this] { updateStatisticsLater(); }};
+ NotifyingCounter<uint64_t> failedBuilds{[this] { updateStatisticsLater(); }};
+ NotifyingCounter<uint64_t> runningBuilds{[this] { updateStatisticsLater(); }};
+
+ NotifyingCounter<uint64_t> expectedSubstitutions{[this] { updateStatisticsLater(); }};
+ NotifyingCounter<uint64_t> doneSubstitutions{[this] { updateStatisticsLater(); }};
+ NotifyingCounter<uint64_t> failedSubstitutions{[this] { updateStatisticsLater(); }};
+ NotifyingCounter<uint64_t> runningSubstitutions{[this] { updateStatisticsLater(); }};
+ NotifyingCounter<uint64_t> expectedDownloadSize{[this] { updateStatisticsLater(); }};
+ NotifyingCounter<uint64_t> doneDownloadSize{[this] { updateStatisticsLater(); }};
+ NotifyingCounter<uint64_t> expectedNarSize{[this] { updateStatisticsLater(); }};
+ NotifyingCounter<uint64_t> doneNarSize{[this] { updateStatisticsLater(); }};
Worker(Store & store, Store & evalStore);
~Worker();
diff --git a/src/libutil/meson.build b/src/libutil/meson.build
index 6566f7f46..1ac31c7eb 100644
--- a/src/libutil/meson.build
+++ b/src/libutil/meson.build
@@ -95,6 +95,7 @@ libutil_headers = files(
'monitor-fd.hh',
'mount.hh',
'namespaces.hh',
+ 'notifying-counter.hh',
'pool.hh',
'position.hh',
'print-elided.hh',
diff --git a/src/libutil/notifying-counter.hh b/src/libutil/notifying-counter.hh
new file mode 100644
index 000000000..dc58aac91
--- /dev/null
+++ b/src/libutil/notifying-counter.hh
@@ -0,0 +1,99 @@
+#pragma once
+/// @file
+
+#include <cassert>
+#include <functional>
+#include <memory>
+
+namespace nix {
+
+template<std::integral T>
+class NotifyingCounter
+{
+private:
+ T counter;
+ std::function<void()> notify;
+
+public:
+ class Bump
+ {
+ friend class NotifyingCounter;
+
+ struct SubOnFree
+ {
+ T delta;
+
+ void operator()(NotifyingCounter * c) const
+ {
+ c->add(-delta);
+ }
+ };
+
+ // lightly misuse unique_ptr to get RAII types with destructor callbacks
+ std::unique_ptr<NotifyingCounter<T>, SubOnFree> at;
+
+ Bump(NotifyingCounter<T> & at, T delta) : at(&at, {delta}) {}
+
+ public:
+ Bump() = default;
+ Bump(decltype(nullptr)) {}
+
+ T delta() const
+ {
+ return at ? at.get_deleter().delta : 0;
+ }
+
+ void reset()
+ {
+ at.reset();
+ }
+ };
+
+ explicit NotifyingCounter(std::function<void()> notify, T initial = 0)
+ : counter(initial)
+ , notify(std::move(notify))
+ {
+ assert(this->notify);
+ }
+
+ // bumps hold pointers to this, so we should neither copy nor move.
+ NotifyingCounter(const NotifyingCounter &) = delete;
+ NotifyingCounter & operator=(const NotifyingCounter &) = delete;
+ NotifyingCounter(NotifyingCounter &&) = delete;
+ NotifyingCounter & operator=(NotifyingCounter &&) = delete;
+
+ T get() const
+ {
+ return counter;
+ }
+
+ operator T() const
+ {
+ return counter;
+ }
+
+ void add(T delta)
+ {
+ counter += delta;
+ notify();
+ }
+
+ NotifyingCounter & operator+=(T delta)
+ {
+ add(delta);
+ return *this;
+ }
+
+ NotifyingCounter & operator++(int)
+ {
+ return *this += 1;
+ }
+
+ Bump addTemporarily(T delta)
+ {
+ add(delta);
+ return Bump{*this, delta};
+ }
+};
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 09:15:35 +0000