D29808: KSysGuard Network Plugin: Don't use std::regex to parse the network files.

[David Korth]

dkorth created this revision.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
dkorth requested review of this revision.

REVISION SUMMARY
  std::regex is slow, so use fixed-field parsing instead.
  
  This is an initial version that I've been using for a while with no major issues, though it might still need some improvements. CPU usage is significantly decreased compared to before when there is a lot of network activity.

TEST PLAN
  Run programs that generate a lot of network activity.
  Verify the network activity shows up correctly with this patch.

REPOSITORY
  R106 KSysguard

REVISION DETAIL
  https://phabricator.kde.org/D29808

AFFECTED FILES
  plugins/process/network/helper/Accumulator.cpp
  plugins/process/network/helper/ConnectionMapping.cpp
  plugins/process/network/helper/ConnectionMapping.h

To: dkorth
Cc: plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, ragreen, ZrenBot, ngraham, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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