1 files changed, 184 insertions, 0 deletions
diff --git a/tools/perf/util/bpf_skel/vmlinux/vmlinux.h b/tools/perf/util/bpf_skel/vmlinux/vmlinux.h
new file mode 100644
index 000000000000..ab84a6e1da5e
--- /dev/null
+++ b/tools/perf/util/bpf_skel/vmlinux/vmlinux.h
@@ -0,0 +1,184 @@
+#ifndef __VMLINUX_H
+#define __VMLINUX_H
+
+#include <linux/stddef.h> // for define __always_inline
+#include <linux/bpf.h>
+#include <linux/types.h>
+#include <linux/perf_event.h>
+#include <stdbool.h>
+
+// non-UAPI kernel data structures, used in the .bpf.c BPF tool component.
+
+// Just the fields used in these tools preserving the access index so that
+// libbpf can fixup offsets with the ones used in the kernel when loading the
+// BPF bytecode, if they differ from what is used here.
+
+typedef __u8 u8;
+typedef __u32 u32;
+typedef __u64 u64;
+typedef __s64 s64;
+
+typedef int pid_t;
+
+enum cgroup_subsys_id {
+	perf_event_cgrp_id  = 8,
+};
+
+enum {
+	HI_SOFTIRQ = 0,
+	TIMER_SOFTIRQ,
+	NET_TX_SOFTIRQ,
+	NET_RX_SOFTIRQ,
+	BLOCK_SOFTIRQ,
+	IRQ_POLL_SOFTIRQ,
+	TASKLET_SOFTIRQ,
+	SCHED_SOFTIRQ,
+	HRTIMER_SOFTIRQ,
+	RCU_SOFTIRQ,    /* Preferable RCU should always be the last softirq */
+
+	NR_SOFTIRQS
+};
+
+typedef struct {
+	s64	counter;
+} __attribute__((preserve_access_index)) atomic64_t;
+
+typedef atomic64_t atomic_long_t;
+
+struct raw_spinlock {
+	int rawlock;
+} __attribute__((preserve_access_index));
+
+typedef struct raw_spinlock raw_spinlock_t;
+
+typedef struct {
+	struct raw_spinlock rlock;
+} __attribute__((preserve_access_index)) spinlock_t;
+
+struct sighand_struct {
+	spinlock_t siglock;
+} __attribute__((preserve_access_index));
+
+struct rw_semaphore {
+	atomic_long_t owner;
+} __attribute__((preserve_access_index));
+
+struct mutex {
+	atomic_long_t owner;
+} __attribute__((preserve_access_index));
+
+struct kernfs_node {
+	u64 id;
+} __attribute__((preserve_access_index));
+
+struct cgroup {
+	struct kernfs_node *kn;
+	int                level;
+}  __attribute__((preserve_access_index));
+
+struct cgroup_subsys_state {
+	struct cgroup *cgroup;
+} __attribute__((preserve_access_index));
+
+struct css_set {
+	struct cgroup_subsys_state *subsys[13];
+	struct cgroup *dfl_cgrp;
+} __attribute__((preserve_access_index));
+
+struct mm_struct {
+	struct rw_semaphore mmap_lock;
+} __attribute__((preserve_access_index));
+
+struct task_struct {
+	unsigned int	      flags;
+	struct mm_struct      *mm;
+	pid_t		      pid;
+	pid_t		      tgid;
+	char		      comm[16];
+	struct sighand_struct *sighand;
+	struct css_set	      *cgroups;
+} __attribute__((preserve_access_index));
+
+struct trace_entry {
+	short unsigned int type;
+	unsigned char	   flags;
+	unsigned char	   preempt_count;
+	int		   pid;
+} __attribute__((preserve_access_index));
+
+struct trace_event_raw_irq_handler_entry {
+	struct trace_entry ent;
+	int		   irq;
+	u32		   __data_loc_name;
+	char		   __data[];
+} __attribute__((preserve_access_index));
+
+struct trace_event_raw_irq_handler_exit {
+	struct trace_entry ent;
+	int		   irq;
+	int		   ret;
+	char		   __data[];
+} __attribute__((preserve_access_index));
+
+struct trace_event_raw_softirq {
+	struct trace_entry ent;
+	unsigned int	   vec;
+	char		   __data[];
+} __attribute__((preserve_access_index));
+
+struct trace_event_raw_workqueue_execute_start {
+	struct trace_entry ent;
+	void		   *work;
+	void		   *function;
+	char		   __data[];
+} __attribute__((preserve_access_index));
+
+struct trace_event_raw_workqueue_execute_end {
+	struct trace_entry ent;
+	void		   *work;
+	void		   *function;
+	char		  __data[];
+} __attribute__((preserve_access_index));
+
+struct trace_event_raw_workqueue_activate_work {
+	struct trace_entry ent;
+	void		   *work;
+	char		   __data[];
+} __attribute__((preserve_access_index));
+
+struct perf_sample_data {
+	u64			 addr;
+	u64			 period;
+	union perf_sample_weight weight;
+	u64			 txn;
+	union perf_mem_data_src	 data_src;
+	u64			 ip;
+	struct {
+		u32		 pid;
+		u32		 tid;
+	} tid_entry;
+	u64			 time;
+	u64			 id;
+	struct {
+		u32		 cpu;
+	} cpu_entry;
+	u64			 phys_addr;
+	u64			 data_page_size;
+	u64			 code_page_size;
+} __attribute__((__aligned__(64))) __attribute__((preserve_access_index));
+
+struct bpf_perf_event_data_kern {
+	struct perf_sample_data *data;
+	struct perf_event	*event;
+} __attribute__((preserve_access_index));
+
+/*
+ * If 'struct rq' isn't defined for lock_contention.bpf.c, for the sake of
+ * rq___old and rq___new, then the type for the 'runqueue' variable ends up
+ * being a forward declaration (BTF_KIND_FWD) while the kernel has it defined
+ * (BTF_KIND_STRUCT). The definition appears in vmlinux.h rather than
+ * lock_contention.bpf.c for consistency with a generated vmlinux.h.
+ */
+struct rq {};
+
+#endif // __VMLINUX_H