pkg/manager: show number of programs that contain each syscall

Currently we show number of programs that are added to the corpus
b/c of a particular syscall. Also show total number of programs
in the corpus that contain each syscall. This is different from
the first thing.

2 files changed, 17 insertions, 1 deletions

diff --git a/pkg/manager/html/syscalls.html b/pkg/manager/html/syscalls.html
index cb6991f42..e3edfcabf 100644
--- a/pkg/manager/html/syscalls.html
+++ b/pkg/manager/html/syscalls.html
@@ -7,7 +7,8 @@ Use of this source code is governed by Apache 2 LICENSE that can be found in the
 	<caption>Per-syscall coverage:</caption>
 	<tr>
 		<th><a onclick="return sortTable(this, 'Syscall', textSort)" href="#">Syscall</a></th>
-		<th><a onclick="return sortTable(this, 'Inputs', numSort)" href="#">Inputs</a></th>
+		<th><a onclick="return sortTable(this, 'Inputs', numSort)" href="#" title="Number of inputs in the corpus added because of this syscall">Inputs</a></th>
+		<th><a onclick="return sortTable(this, 'Total', numSort)" href="#" title="Total number of inputs in the corpus that contain this syscall">Total</a></th>
 		<th><a onclick="return sortTable(this, 'Coverage', numSort)" href="#">Coverage</a></th>
 		<th>Prio</th>
 	</tr>
@@ -15,6 +16,7 @@ Use of this source code is governed by Apache 2 LICENSE that can be found in the
 	<tr>
 		<td>{{$c.Name}}{{if $c.ID }} [{{$c.ID}}]{{end}}</td>
 		<td><a href='/corpus?call={{$c.Name}}'>{{$c.Inputs}}</a></td>
+		<td>{{$c.Total}}</td>
 		<td><a href='/cover?call={{$c.Name}}'>{{$c.Cover}}</a></td>
 		<td><a href='/prio?call={{$c.Name}}'>prio</a></td>
 	</tr>
diff --git a/pkg/manager/http.go b/pkg/manager/http.go
index 65407ec90..81affcf7e 100644
--- a/pkg/manager/http.go
+++ b/pkg/manager/http.go
@@ -186,6 +186,7 @@ func (serv *HTTPServer) textPage(w http.ResponseWriter, r *http.Request, title s
 
 func (serv *HTTPServer) httpSyscalls(w http.ResponseWriter, r *http.Request) {
 	var calls map[string]*corpus.CallCov
+	total := make(map[string]int)
 	syscallsObj := serv.EnabledSyscalls.Load()
 	corpusObj := serv.Corpus.Load()
 	if corpusObj != nil && syscallsObj != nil {
@@ -196,6 +197,17 @@ func (serv *HTTPServer) httpSyscalls(w http.ResponseWriter, r *http.Request) {
 				calls[call.Name] = new(corpus.CallCov)
 			}
 		}
+		// Count number of programs that include each call.
+		last := make(map[string]*prog.Prog)
+		for _, inp := range corpusObj.Items() {
+			for _, call := range inp.Prog.Calls {
+				name := call.Meta.Name
+				if last[name] != inp.Prog {
+					total[name]++
+				}
+				last[name] = inp.Prog
+			}
+		}
 	}
 	data := &UISyscallsData{
 		UIPageHeader: serv.pageHeader(r, "syscalls"),
@@ -209,6 +221,7 @@ func (serv *HTTPServer) httpSyscalls(w http.ResponseWriter, r *http.Request) {
 			Name:   c,
 			ID:     syscallID,
 			Inputs: cc.Count,
+			Total:  total[c],
 			Cover:  len(cc.Cover),
 		})
 	}
@@ -953,6 +966,7 @@ type UICallType struct {
 	Name   string
 	ID     *int
 	Inputs int
+	Total  int
 	Cover  int
 }