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

This makes it more likely to be able to get statistics when resources are scarce.
cubiclove · Jan 3, 2021 · b543721 · b543721
1 parent 1d33765
commit b543721
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/Applications/SystemMonitor/ProcessModel.cpp b/Applications/SystemMonitor/ProcessModel.cpp
@@ -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)

diff --git a/Applications/SystemMonitor/ProcessModel.h b/Applications/SystemMonitor/ProcessModel.h
@@ -159,6 +159,7 @@ class ProcessModel final : public GUI::Model {
  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 {