Use buffered channel for appending chart values (#79)

nakabonne · Oct 25, 2020 · 7660e9d · 7660e9d
1 parent a30c166
commit 7660e9d
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Showing 2 changed files with 4 additions and 5 deletions.
diff --git a/gui/drawer.go b/gui/drawer.go
@@ -26,13 +26,12 @@ type drawer struct {
  metricsCh chan *attacker.Metrics
  doneCh chan struct{}
 
- chartValues values
- metrics *attacker.Metrics
-
  // aims to avoid to perform multiple `appendChartValues`.
  chartDrawing *atomic.Bool
 
- mu sync.RWMutex
+ mu sync.RWMutex
+ chartValues values
+ metrics *attacker.Metrics
 }
 
 type values struct {

diff --git a/gui/gui.go b/gui/gui.go
@@ -68,7 +68,7 @@ func run(t terminalapi.Terminal, r runner, targetURL string, opts *attacker.Opti
  d := &drawer{
  widgets: w,
  gridOpts: gridOpts,
- chartCh: make(chan *attacker.Result),
+ chartCh: make(chan *attacker.Result, 10000),
  gaugeCh: make(chan struct{}),
  metricsCh: make(chan *attacker.Metrics),
  chartDrawing: atomic.NewBool(false),