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SystemMonitor: Re-use the /proc/all file descriptor when updating

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This makes it more likely to be able to get statistics when resources
are scarce.
This commit is contained in:
Tom 2021-01-03 10:13:33 -07:00 • committed by Andreas Kling
parent 1d33765e1c
commit b5437216e2
2 changed files with 2 additions and 1 deletions
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2
Applications/SystemMonitor/ProcessModel.cpp
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@ -350,7 +350,7 @@ GUI::Variant ProcessModel::data(const GUI::ModelIndex& index, GUI::ModelRole rol
void ProcessModel::update()
{
auto previous_pid_count = m_pids.size();
auto all_processes = Core::ProcessStatisticsReader::get_all();
auto all_processes = Core::ProcessStatisticsReader::get_all(m_proc_all);
u64 last_sum_ticks_scheduled = 0;
for (auto& it : m_threads)

1
Applications/SystemMonitor/ProcessModel.h
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@ -159,6 +159,7 @@ private:
RefPtr<Gfx::Bitmap> m_high_priority_icon;
RefPtr<Gfx::Bitmap> m_low_priority_icon;
RefPtr<Gfx::Bitmap> m_normal_priority_icon;
RefPtr<Core::File> m_proc_all;
};
namespace AK {