[Differential] [Request, 20 lines] D3141: systemmonitor: Optimise source updates.

[roberts (Lindsay Roberts)]

roberts created this revision.
Restricted Application added a project: Plasma.
Restricted Application added a subscriber: plasma-devel.

REVISION SUMMARY
  Profiling indicates the highest CPU usage process during idle is the
  system monitor engine. This attempts to get rid of the most obvious
  usage, which was QStringList::indexOf, and QString temporaries.

TEST PLAN
  Profiling only, as well as no local functional regression.

REPOSITORY
  rPLASMAWORKSPACE Plasma Workspace

BRANCH
  systemmonitor_perf

REVISION DETAIL
  https://phabricator.kde.org/D3141

AFFECTED FILES
  dataengines/systemmonitor/systemmonitor.cpp
  dataengines/systemmonitor/systemmonitor.h

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: roberts
Cc: plasma-devel, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas
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