From d3c7f27c211ebd116803e85d45dca437e635d25e Mon Sep 17 00:00:00 2001
From: thibaud-leclere <thibaud.leclere@lundimatin.fr>
Date: Tue, 12 May 2026 09:37:12 +0200
Subject: [PATCH] feat: add cachegrind data model

---
 internal/cachegrind/model.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 internal/cachegrind/model.go

diff --git a/internal/cachegrind/model.go b/internal/cachegrind/model.go
new file mode 100644
index 0000000..76f8fcf
--- /dev/null
+++ b/internal/cachegrind/model.go
@@ -0,0 +1,26 @@
+package cachegrind
+
+// Profile holds the parsed contents of a cachegrind file.
+type Profile struct {
+	Cmd       string
+	Events    []string
+	Functions []*Function
+	ByName    map[string][]*Function // one name may appear in multiple files
+}
+
+// Function represents a single profiled function with aggregated inclusive costs.
+type Function struct {
+	Name     string
+	File     string
+	Costs    []int64 // one entry per Profile.Events; inclusive (includes callees)
+	Calls    []*Call // outgoing call edges
+	CalledBy []*Call // incoming call edges
+}
+
+// Call is a directed call edge between two functions.
+type Call struct {
+	Caller *Function
+	Callee *Function
+	Count  int64
+	Costs  []int64
+}