pkg/fuzzer/queue: move common fuzzing stats

These stats will be needed for snapshot mode that does not use rpcserver.
Move them from pkg/rpcserver to pkg/fuzzer/queue.

1 files changed, 20 insertions, 0 deletions

diff --git a/pkg/fuzzer/queue/stats.go b/pkg/fuzzer/queue/stats.go
new file mode 100644
index 000000000..3097ca2d6
--- /dev/null
+++ b/pkg/fuzzer/queue/stats.go
@@ -0,0 +1,20 @@
+// Copyright 2024 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package queue
+
+import "github.com/google/syzkaller/pkg/stat"
+
+// Common stats related to fuzzing that are updated/read by different parts of the system.
+var (
+	StatExecs = stat.New("exec total", "Total test program executions",
+		stat.Console, stat.Rate{}, stat.Prometheus("syz_exec_total"))
+	StatNumFuzzing = stat.New("fuzzing VMs", "Number of VMs that are currently fuzzing",
+		stat.Console, stat.Link("/vms"))
+	StatNoExecRequests = stat.New("no exec requests",
+		"Number of times fuzzer was stalled with no exec requests", stat.Rate{})
+	StatNoExecDuration = stat.New("no exec duration",
+		"Total duration fuzzer was stalled with no exec requests (ns/sec)", stat.Rate{})
+	StatExecBufferTooSmall = stat.New("buffer too small",
+		"Program serialization overflowed exec buffer", stat.NoGraph)
+)