v4.19.13 snapshot.
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
new file mode 100644
index 0000000..21bf7f5
--- /dev/null
+++ b/tools/perf/perf.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _PERF_PERF_H
+#define _PERF_PERF_H
+
+#include <time.h>
+#include <stdbool.h>
+#include <linux/types.h>
+#include <linux/stddef.h>
+#include <linux/perf_event.h>
+
+extern bool test_attr__enabled;
+void test_attr__ready(void);
+void test_attr__init(void);
+void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
+ int fd, int group_fd, unsigned long flags);
+
+#define HAVE_ATTR_TEST
+#include "perf-sys.h"
+
+static inline unsigned long long rdclock(void)
+{
+ struct timespec ts;
+
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+ return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
+}
+
+#ifndef MAX_NR_CPUS
+#define MAX_NR_CPUS 1024
+#endif
+
+extern const char *input_name;
+extern bool perf_host, perf_guest;
+extern const char perf_version_string[];
+
+void pthread__unblock_sigwinch(void);
+
+#include "util/target.h"
+
+struct record_opts {
+ struct target target;
+ bool group;
+ bool inherit_stat;
+ bool no_buffering;
+ bool no_inherit;
+ bool no_inherit_set;
+ bool no_samples;
+ bool raw_samples;
+ bool sample_address;
+ bool sample_phys_addr;
+ bool sample_weight;
+ bool sample_time;
+ bool sample_time_set;
+ bool sample_cpu;
+ bool period;
+ bool period_set;
+ bool running_time;
+ bool full_auxtrace;
+ bool auxtrace_snapshot_mode;
+ bool record_namespaces;
+ bool record_switch_events;
+ bool all_kernel;
+ bool all_user;
+ bool tail_synthesize;
+ bool overwrite;
+ bool ignore_missing_thread;
+ bool strict_freq;
+ bool sample_id;
+ unsigned int freq;
+ unsigned int mmap_pages;
+ unsigned int auxtrace_mmap_pages;
+ unsigned int user_freq;
+ u64 branch_stack;
+ u64 sample_intr_regs;
+ u64 sample_user_regs;
+ u64 default_interval;
+ u64 user_interval;
+ size_t auxtrace_snapshot_size;
+ const char *auxtrace_snapshot_opts;
+ bool sample_transaction;
+ unsigned initial_delay;
+ bool use_clockid;
+ clockid_t clockid;
+ unsigned int proc_map_timeout;
+};
+
+struct option;
+extern const char * const *record_usage;
+extern struct option *record_options;
+extern int version_verbose;
+
+int record__parse_freq(const struct option *opt, const char *str, int unset);
+#endif