1 files changed, 49 insertions, 0 deletions
diff --git a/tools/perf/util/bpf_skel/lock_data.h b/tools/perf/util/bpf_skel/lock_data.h
new file mode 100644
index 0000000000..260062a9f2
--- /dev/null
+++ b/tools/perf/util/bpf_skel/lock_data.h
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/* Data structures shared between BPF and tools. */
+#ifndef UTIL_BPF_SKEL_LOCK_DATA_H
+#define UTIL_BPF_SKEL_LOCK_DATA_H
+
+struct contention_key {
+	u32 stack_id;
+	u32 pid;
+	u64 lock_addr;
+};
+
+#define TASK_COMM_LEN  16
+
+struct contention_task_data {
+	char comm[TASK_COMM_LEN];
+};
+
+/* default buffer size */
+#define MAX_ENTRIES  16384
+
+/*
+ * Upper bits of the flags in the contention_data are used to identify
+ * some well-known locks which do not have symbols (non-global locks).
+ */
+#define LCD_F_MMAP_LOCK		(1U << 31)
+#define LCD_F_SIGHAND_LOCK	(1U << 30)
+
+#define LCB_F_MAX_FLAGS		(1U << 7)
+
+struct contention_data {
+	u64 total_time;
+	u64 min_time;
+	u64 max_time;
+	u32 count;
+	u32 flags;
+};
+
+enum lock_aggr_mode {
+	LOCK_AGGR_ADDR = 0,
+	LOCK_AGGR_TASK,
+	LOCK_AGGR_CALLER,
+};
+
+enum lock_class_sym {
+	LOCK_CLASS_NONE,
+	LOCK_CLASS_RQLOCK,
+};
+
+#endif /* UTIL_BPF_SKEL_LOCK_DATA_H */