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nix optimise-store: Show how much space has been freed

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This commit is contained in:
Eelco Dolstra 2017-08-16 17:32:18 +02:00
parent 23b8b7e096
commit b4ed97e3a3
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GPG key ID: 8170B4726D7198DE
5 changed files with 101 additions and 55 deletions
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107
src/nix/progress-bar.cc
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@ -12,6 +12,20 @@
namespace nix {
static std::string getS(const std::vector<Logger::Field> & fields, size_t n)
{
assert(n < fields.size());
assert(fields[n].type == Logger::Field::tString);
return fields[n].s;
}
static uint64_t getI(const std::vector<Logger::Field> & fields, size_t n)
{
assert(n < fields.size());
assert(fields[n].type == Logger::Field::tInt);
return fields[n].i;
}
class ProgressBar : public Logger
{
private:
@ -41,6 +55,8 @@ private:
std::map<ActivityId, std::list<ActInfo>::iterator> its;
std::map<ActivityType, ActivitiesByType> activitiesByType;
uint64_t filesLinked = 0, bytesLinked = 0;
};
Sync<State> state_;
@ -80,14 +96,33 @@ public:
void startActivity(ActivityId act, ActivityType type, const std::string & s) override
{
auto state(state_.lock());
createActivity(*state, act, s, type);
state->activities.emplace_back(ActInfo{s, "", type});
auto i = std::prev(state->activities.end());
state->its.emplace(act, i);
state->activitiesByType[type].its.emplace(act, i);
update(*state);
}
void stopActivity(ActivityId act) override
{
auto state(state_.lock());
deleteActivity(*state, act);
auto i = state->its.find(act);
if (i != state->its.end()) {
auto & actByType = state->activitiesByType[i->second->type];
actByType.done += i->second->done;
actByType.failed += i->second->failed;
for (auto & j : i->second->expectedByType)
state->activitiesByType[j.first].expected -= j.second;
actByType.its.erase(act);
state->activities.erase(i->second);
state->its.erase(i);
}
update(*state);
}
@ -106,16 +141,6 @@ public:
update(*state);
}
void progress(ActivityId act, const std::string & s) override
{
auto state(state_.lock());
auto s2 = trim(s);
if (!s2.empty()) {
updateActivity(*state, act, s2);
update(*state);
}
}
void setExpected(ActivityId act, ActivityType type, uint64_t expected) override
{
auto state(state_.lock());
@ -131,40 +156,29 @@ public:
update(*state);
}
void createActivity(State & state, ActivityId activity, const std::string & s, ActivityType type = actUnknown)
void result(ActivityId act, ResultType type, const std::vector<Field> & fields) override
{
state.activities.emplace_back(ActInfo{s, "", type});
auto i = std::prev(state.activities.end());
state.its.emplace(activity, i);
state.activitiesByType[type].its.emplace(activity, i);
}
auto state(state_.lock());
void deleteActivity(State & state, ActivityId activity)
{
auto i = state.its.find(activity);
if (i != state.its.end()) {
auto & act = state.activitiesByType[i->second->type];
act.done += i->second->done;
act.failed += i->second->failed;
for (auto & j : i->second->expectedByType)
state.activitiesByType[j.first].expected -= j.second;
act.its.erase(activity);
state.activities.erase(i->second);
state.its.erase(i);
if (type == resFileLinked) {
state->filesLinked++;
state->bytesLinked += getI(fields, 0);
update(*state);
}
}
void updateActivity(State & state, ActivityId activity, const std::string & s2)
{
auto i = state.its.find(activity);
assert(i != state.its.end());
ActInfo info = *i->second;
state.activities.erase(i->second);
info.s2 = s2;
state.activities.emplace_back(info);
i->second = std::prev(state.activities.end());
else if (type == resBuildLogLine) {
auto s2 = trim(getS(fields, 0));
if (!s2.empty()) {
auto i = state->its.find(act);
assert(i != state->its.end());
ActInfo info = *i->second;
state->activities.erase(i->second);
info.s2 = s2;
state->activities.emplace_back(info);
i->second = std::prev(state->activities.end());
update(*state);
}
}
}
void update()
@ -262,7 +276,14 @@ public:
showActivity(actDownload, "%s MiB DL", "%.1f", MiB);
showActivity(actOptimiseStore, "%s paths optimised");
{
auto s = renderActivity(actOptimiseStore, "%s paths optimised");
if (s != "") {
s += fmt(", %.1f MiB / %d inodes freed", state.bytesLinked / MiB, state.filesLinked);
if (!res.empty()) res += ", ";
res += s;
}
}
return res;
}