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-rw-r--r--tools/lib/perf/include/internal/cpumap.h38
-rw-r--r--tools/lib/perf/include/internal/evlist.h138
-rw-r--r--tools/lib/perf/include/internal/evsel.h91
-rw-r--r--tools/lib/perf/include/internal/lib.h14
-rw-r--r--tools/lib/perf/include/internal/mmap.h59
-rw-r--r--tools/lib/perf/include/internal/rc_check.h106
-rw-r--r--tools/lib/perf/include/internal/tests.h67
-rw-r--r--tools/lib/perf/include/internal/threadmap.h23
-rw-r--r--tools/lib/perf/include/internal/xyarray.h43
-rw-r--r--tools/lib/perf/include/perf/bpf_perf.h31
-rw-r--r--tools/lib/perf/include/perf/core.h25
-rw-r--r--tools/lib/perf/include/perf/cpumap.h57
-rw-r--r--tools/lib/perf/include/perf/event.h517
-rw-r--r--tools/lib/perf/include/perf/evlist.h51
-rw-r--r--tools/lib/perf/include/perf/evsel.h50
-rw-r--r--tools/lib/perf/include/perf/mmap.h15
-rw-r--r--tools/lib/perf/include/perf/threadmap.h21
17 files changed, 1346 insertions, 0 deletions
diff --git a/tools/lib/perf/include/internal/cpumap.h b/tools/lib/perf/include/internal/cpumap.h
new file mode 100644
index 0000000000..49649eb51c
--- /dev/null
+++ b/tools/lib/perf/include/internal/cpumap.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_INTERNAL_CPUMAP_H
+#define __LIBPERF_INTERNAL_CPUMAP_H
+
+#include <linux/refcount.h>
+#include <perf/cpumap.h>
+#include <internal/rc_check.h>
+
+/**
+ * A sized, reference counted, sorted array of integers representing CPU
+ * numbers. This is commonly used to capture which CPUs a PMU is associated
+ * with. The indices into the cpumap are frequently used as they avoid having
+ * gaps if CPU numbers were used. For events associated with a pid, rather than
+ * a CPU, a single dummy map with an entry of -1 is used.
+ */
+DECLARE_RC_STRUCT(perf_cpu_map) {
+ refcount_t refcnt;
+ /** Length of the map array. */
+ int nr;
+ /** The CPU values. */
+ struct perf_cpu map[];
+};
+
+#ifndef MAX_NR_CPUS
+#define MAX_NR_CPUS 2048
+#endif
+
+struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus);
+int perf_cpu_map__idx(const struct perf_cpu_map *cpus, struct perf_cpu cpu);
+bool perf_cpu_map__is_subset(const struct perf_cpu_map *a, const struct perf_cpu_map *b);
+
+void perf_cpu_map__set_nr(struct perf_cpu_map *map, int nr_cpus);
+
+static inline refcount_t *perf_cpu_map__refcnt(struct perf_cpu_map *map)
+{
+ return &RC_CHK_ACCESS(map)->refcnt;
+}
+#endif /* __LIBPERF_INTERNAL_CPUMAP_H */
diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h
new file mode 100644
index 0000000000..3339bc2f17
--- /dev/null
+++ b/tools/lib/perf/include/internal/evlist.h
@@ -0,0 +1,138 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_INTERNAL_EVLIST_H
+#define __LIBPERF_INTERNAL_EVLIST_H
+
+#include <linux/list.h>
+#include <api/fd/array.h>
+#include <internal/cpumap.h>
+#include <internal/evsel.h>
+
+#define PERF_EVLIST__HLIST_BITS 8
+#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
+
+struct perf_cpu_map;
+struct perf_thread_map;
+struct perf_mmap_param;
+
+struct perf_evlist {
+ struct list_head entries;
+ int nr_entries;
+ bool has_user_cpus;
+ bool needs_map_propagation;
+ /**
+ * The cpus passed from the command line or all online CPUs by
+ * default.
+ */
+ struct perf_cpu_map *user_requested_cpus;
+ /** The union of all evsel cpu maps. */
+ struct perf_cpu_map *all_cpus;
+ struct perf_thread_map *threads;
+ int nr_mmaps;
+ size_t mmap_len;
+ struct fdarray pollfd;
+ struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
+ struct perf_mmap *mmap;
+ struct perf_mmap *mmap_ovw;
+ struct perf_mmap *mmap_first;
+ struct perf_mmap *mmap_ovw_first;
+};
+
+typedef void
+(*perf_evlist_mmap__cb_idx_t)(struct perf_evlist*, struct perf_evsel*,
+ struct perf_mmap_param*, int);
+typedef struct perf_mmap*
+(*perf_evlist_mmap__cb_get_t)(struct perf_evlist*, bool, int);
+typedef int
+(*perf_evlist_mmap__cb_mmap_t)(struct perf_mmap*, struct perf_mmap_param*, int, struct perf_cpu);
+
+struct perf_evlist_mmap_ops {
+ perf_evlist_mmap__cb_idx_t idx;
+ perf_evlist_mmap__cb_get_t get;
+ perf_evlist_mmap__cb_mmap_t mmap;
+};
+
+int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
+int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd,
+ void *ptr, short revent, enum fdarray_flags flags);
+
+int perf_evlist__mmap_ops(struct perf_evlist *evlist,
+ struct perf_evlist_mmap_ops *ops,
+ struct perf_mmap_param *mp);
+
+void perf_evlist__init(struct perf_evlist *evlist);
+void perf_evlist__exit(struct perf_evlist *evlist);
+
+/**
+ * __perf_evlist__for_each_entry - iterate thru all the evsels
+ * @list: list_head instance to iterate
+ * @evsel: struct perf_evsel iterator
+ */
+#define __perf_evlist__for_each_entry(list, evsel) \
+ list_for_each_entry(evsel, list, node)
+
+/**
+ * evlist__for_each_entry - iterate thru all the evsels
+ * @evlist: perf_evlist instance to iterate
+ * @evsel: struct perf_evsel iterator
+ */
+#define perf_evlist__for_each_entry(evlist, evsel) \
+ __perf_evlist__for_each_entry(&(evlist)->entries, evsel)
+
+/**
+ * __perf_evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
+ * @list: list_head instance to iterate
+ * @evsel: struct evsel iterator
+ */
+#define __perf_evlist__for_each_entry_reverse(list, evsel) \
+ list_for_each_entry_reverse(evsel, list, node)
+
+/**
+ * perf_evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
+ * @evlist: evlist instance to iterate
+ * @evsel: struct evsel iterator
+ */
+#define perf_evlist__for_each_entry_reverse(evlist, evsel) \
+ __perf_evlist__for_each_entry_reverse(&(evlist)->entries, evsel)
+
+/**
+ * __perf_evlist__for_each_entry_safe - safely iterate thru all the evsels
+ * @list: list_head instance to iterate
+ * @tmp: struct evsel temp iterator
+ * @evsel: struct evsel iterator
+ */
+#define __perf_evlist__for_each_entry_safe(list, tmp, evsel) \
+ list_for_each_entry_safe(evsel, tmp, list, node)
+
+/**
+ * perf_evlist__for_each_entry_safe - safely iterate thru all the evsels
+ * @evlist: evlist instance to iterate
+ * @evsel: struct evsel iterator
+ * @tmp: struct evsel temp iterator
+ */
+#define perf_evlist__for_each_entry_safe(evlist, tmp, evsel) \
+ __perf_evlist__for_each_entry_safe(&(evlist)->entries, tmp, evsel)
+
+static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
+{
+ return list_entry(evlist->entries.next, struct perf_evsel, node);
+}
+
+static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
+{
+ return list_entry(evlist->entries.prev, struct perf_evsel, node);
+}
+
+u64 perf_evlist__read_format(struct perf_evlist *evlist);
+
+void perf_evlist__id_add(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, u64 id);
+
+int perf_evlist__id_add_fd(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, int fd);
+
+void perf_evlist__reset_id_hash(struct perf_evlist *evlist);
+
+void __perf_evlist__set_leader(struct list_head *list, struct perf_evsel *leader);
+#endif /* __LIBPERF_INTERNAL_EVLIST_H */
diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h
new file mode 100644
index 0000000000..5cd220a619
--- /dev/null
+++ b/tools/lib/perf/include/internal/evsel.h
@@ -0,0 +1,91 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_INTERNAL_EVSEL_H
+#define __LIBPERF_INTERNAL_EVSEL_H
+
+#include <linux/types.h>
+#include <linux/perf_event.h>
+#include <stdbool.h>
+#include <sys/types.h>
+#include <internal/cpumap.h>
+
+struct perf_thread_map;
+struct xyarray;
+
+/*
+ * Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
+ * more than one entry in the evlist.
+ */
+struct perf_sample_id {
+ struct hlist_node node;
+ u64 id;
+ struct perf_evsel *evsel;
+ /*
+ * 'idx' will be used for AUX area sampling. A sample will have AUX area
+ * data that will be queued for decoding, where there are separate
+ * queues for each CPU (per-cpu tracing) or task (per-thread tracing).
+ * The sample ID can be used to lookup 'idx' which is effectively the
+ * queue number.
+ */
+ int idx;
+ struct perf_cpu cpu;
+ pid_t tid;
+
+ /* Guest machine pid and VCPU, valid only if machine_pid is non-zero */
+ pid_t machine_pid;
+ struct perf_cpu vcpu;
+
+ /* Holds total ID period value for PERF_SAMPLE_READ processing. */
+ u64 period;
+};
+
+struct perf_evsel {
+ struct list_head node;
+ struct perf_event_attr attr;
+ /** The commonly used cpu map of CPUs the event should be opened upon, etc. */
+ struct perf_cpu_map *cpus;
+ /**
+ * The cpu map read from the PMU. For core PMUs this is the list of all
+ * CPUs the event can be opened upon. For other PMUs this is the default
+ * cpu map for opening the event on, for example, the first CPU on a
+ * socket for an uncore event.
+ */
+ struct perf_cpu_map *own_cpus;
+ struct perf_thread_map *threads;
+ struct xyarray *fd;
+ struct xyarray *mmap;
+ struct xyarray *sample_id;
+ u64 *id;
+ u32 ids;
+ struct perf_evsel *leader;
+
+ /* parse modifier helper */
+ int nr_members;
+ /*
+ * system_wide is for events that need to be on every CPU, irrespective
+ * of user requested CPUs or threads. Tha main example of this is the
+ * dummy event. Map propagation will set cpus for this event to all CPUs
+ * as software PMU events like dummy, have a CPU map that is empty.
+ */
+ bool system_wide;
+ /*
+ * Some events, for example uncore events, require a CPU.
+ * i.e. it cannot be the 'any CPU' value of -1.
+ */
+ bool requires_cpu;
+ /** Is the PMU for the event a core one? Effects the handling of own_cpus. */
+ bool is_pmu_core;
+ int idx;
+};
+
+void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr,
+ int idx);
+int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
+void perf_evsel__close_fd(struct perf_evsel *evsel);
+void perf_evsel__free_fd(struct perf_evsel *evsel);
+int perf_evsel__read_size(struct perf_evsel *evsel);
+int perf_evsel__apply_filter(struct perf_evsel *evsel, const char *filter);
+
+int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
+void perf_evsel__free_id(struct perf_evsel *evsel);
+
+#endif /* __LIBPERF_INTERNAL_EVSEL_H */
diff --git a/tools/lib/perf/include/internal/lib.h b/tools/lib/perf/include/internal/lib.h
new file mode 100644
index 0000000000..85471a4b90
--- /dev/null
+++ b/tools/lib/perf/include/internal/lib.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_INTERNAL_LIB_H
+#define __LIBPERF_INTERNAL_LIB_H
+
+#include <sys/types.h>
+
+extern unsigned int page_size;
+
+ssize_t readn(int fd, void *buf, size_t n);
+ssize_t writen(int fd, const void *buf, size_t n);
+
+ssize_t preadn(int fd, void *buf, size_t n, off_t offs);
+
+#endif /* __LIBPERF_INTERNAL_CPUMAP_H */
diff --git a/tools/lib/perf/include/internal/mmap.h b/tools/lib/perf/include/internal/mmap.h
new file mode 100644
index 0000000000..5a062af8e9
--- /dev/null
+++ b/tools/lib/perf/include/internal/mmap.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_INTERNAL_MMAP_H
+#define __LIBPERF_INTERNAL_MMAP_H
+
+#include <linux/compiler.h>
+#include <linux/refcount.h>
+#include <linux/types.h>
+#include <stdbool.h>
+#include <internal/cpumap.h>
+
+/* perf sample has 16 bits size limit */
+#define PERF_SAMPLE_MAX_SIZE (1 << 16)
+
+struct perf_mmap;
+struct perf_counts_values;
+
+typedef void (*libperf_unmap_cb_t)(struct perf_mmap *map);
+
+/**
+ * struct perf_mmap - perf's ring buffer mmap details
+ *
+ * @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this
+ */
+struct perf_mmap {
+ void *base;
+ int mask;
+ int fd;
+ struct perf_cpu cpu;
+ refcount_t refcnt;
+ u64 prev;
+ u64 start;
+ u64 end;
+ bool overwrite;
+ u64 flush;
+ libperf_unmap_cb_t unmap_cb;
+ char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8);
+ struct perf_mmap *next;
+};
+
+struct perf_mmap_param {
+ int prot;
+ int mask;
+};
+
+size_t perf_mmap__mmap_len(struct perf_mmap *map);
+
+void perf_mmap__init(struct perf_mmap *map, struct perf_mmap *prev,
+ bool overwrite, libperf_unmap_cb_t unmap_cb);
+int perf_mmap__mmap(struct perf_mmap *map, struct perf_mmap_param *mp,
+ int fd, struct perf_cpu cpu);
+void perf_mmap__munmap(struct perf_mmap *map);
+void perf_mmap__get(struct perf_mmap *map);
+void perf_mmap__put(struct perf_mmap *map);
+
+u64 perf_mmap__read_head(struct perf_mmap *map);
+
+int perf_mmap__read_self(struct perf_mmap *map, struct perf_counts_values *count);
+
+#endif /* __LIBPERF_INTERNAL_MMAP_H */
diff --git a/tools/lib/perf/include/internal/rc_check.h b/tools/lib/perf/include/internal/rc_check.h
new file mode 100644
index 0000000000..e88a6d8a0b
--- /dev/null
+++ b/tools/lib/perf/include/internal/rc_check.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+#ifndef __LIBPERF_INTERNAL_RC_CHECK_H
+#define __LIBPERF_INTERNAL_RC_CHECK_H
+
+#include <stdlib.h>
+#include <linux/zalloc.h>
+
+/*
+ * Enable reference count checking implicitly with leak checking, which is
+ * integrated into address sanitizer.
+ */
+#if defined(__SANITIZE_ADDRESS__) || defined(LEAK_SANITIZER) || defined(ADDRESS_SANITIZER)
+#define REFCNT_CHECKING 1
+#elif defined(__has_feature)
+#if __has_feature(address_sanitizer) || __has_feature(leak_sanitizer)
+#define REFCNT_CHECKING 1
+#endif
+#endif
+
+/*
+ * Shared reference count checking macros.
+ *
+ * Reference count checking is an approach to sanitizing the use of reference
+ * counted structs. It leverages address and leak sanitizers to make sure gets
+ * are paired with a put. Reference count checking adds a malloc-ed layer of
+ * indirection on a get, and frees it on a put. A missed put will be reported as
+ * a memory leak. A double put will be reported as a double free. Accessing
+ * after a put will cause a use-after-free and/or a segfault.
+ */
+
+#ifndef REFCNT_CHECKING
+/* Replaces "struct foo" so that the pointer may be interposed. */
+#define DECLARE_RC_STRUCT(struct_name) \
+ struct struct_name
+
+/* Declare a reference counted struct variable. */
+#define RC_STRUCT(struct_name) struct struct_name
+
+/*
+ * Interpose the indirection. Result will hold the indirection and object is the
+ * reference counted struct.
+ */
+#define ADD_RC_CHK(result, object) (result = object, object)
+
+/* Strip the indirection layer. */
+#define RC_CHK_ACCESS(object) object
+
+/* Frees the object and the indirection layer. */
+#define RC_CHK_FREE(object) free(object)
+
+/* A get operation adding the indirection layer. */
+#define RC_CHK_GET(result, object) ADD_RC_CHK(result, object)
+
+/* A put operation removing the indirection layer. */
+#define RC_CHK_PUT(object) {}
+
+#else
+
+/* Replaces "struct foo" so that the pointer may be interposed. */
+#define DECLARE_RC_STRUCT(struct_name) \
+ struct original_##struct_name; \
+ struct struct_name { \
+ struct original_##struct_name *orig; \
+ }; \
+ struct original_##struct_name
+
+/* Declare a reference counted struct variable. */
+#define RC_STRUCT(struct_name) struct original_##struct_name
+
+/*
+ * Interpose the indirection. Result will hold the indirection and object is the
+ * reference counted struct.
+ */
+#define ADD_RC_CHK(result, object) \
+ ( \
+ object ? (result = malloc(sizeof(*result)), \
+ result ? (result->orig = object, result) \
+ : (result = NULL, NULL)) \
+ : (result = NULL, NULL) \
+ )
+
+/* Strip the indirection layer. */
+#define RC_CHK_ACCESS(object) object->orig
+
+/* Frees the object and the indirection layer. */
+#define RC_CHK_FREE(object) \
+ do { \
+ zfree(&object->orig); \
+ free(object); \
+ } while(0)
+
+/* A get operation adding the indirection layer. */
+#define RC_CHK_GET(result, object) ADD_RC_CHK(result, (object ? object->orig : NULL))
+
+/* A put operation removing the indirection layer. */
+#define RC_CHK_PUT(object) \
+ do { \
+ if (object) { \
+ object->orig = NULL; \
+ free(object); \
+ } \
+ } while(0)
+
+#endif
+
+#endif /* __LIBPERF_INTERNAL_RC_CHECK_H */
diff --git a/tools/lib/perf/include/internal/tests.h b/tools/lib/perf/include/internal/tests.h
new file mode 100644
index 0000000000..b130a6663f
--- /dev/null
+++ b/tools/lib/perf/include/internal/tests.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_INTERNAL_TESTS_H
+#define __LIBPERF_INTERNAL_TESTS_H
+
+#include <stdio.h>
+#include <unistd.h>
+
+extern int tests_failed;
+extern int tests_verbose;
+
+static inline int get_verbose(char **argv, int argc)
+{
+ int c;
+ int verbose = 0;
+
+ while ((c = getopt(argc, argv, "v")) != -1) {
+ switch (c)
+ {
+ case 'v':
+ verbose = 1;
+ break;
+ default:
+ break;
+ }
+ }
+ optind = 1;
+
+ return verbose;
+}
+
+#define __T_START \
+do { \
+ tests_verbose = get_verbose(argv, argc); \
+ fprintf(stdout, "- running %s...", __FILE__); \
+ fflush(NULL); \
+ tests_failed = 0; \
+} while (0)
+
+#define __T_END \
+do { \
+ if (tests_failed) \
+ fprintf(stdout, " FAILED (%d)\n", tests_failed); \
+ else \
+ fprintf(stdout, "OK\n"); \
+} while (0)
+
+#define __T(text, cond) \
+do { \
+ if (!(cond)) { \
+ fprintf(stderr, "FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
+ tests_failed++; \
+ return -1; \
+ } \
+} while (0)
+
+#define __T_VERBOSE(...) \
+do { \
+ if (tests_verbose) { \
+ if (tests_verbose == 1) { \
+ fputc('\n', stderr); \
+ tests_verbose++; \
+ } \
+ fprintf(stderr, ##__VA_ARGS__); \
+ } \
+} while (0)
+
+#endif /* __LIBPERF_INTERNAL_TESTS_H */
diff --git a/tools/lib/perf/include/internal/threadmap.h b/tools/lib/perf/include/internal/threadmap.h
new file mode 100644
index 0000000000..df748baf9e
--- /dev/null
+++ b/tools/lib/perf/include/internal/threadmap.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_INTERNAL_THREADMAP_H
+#define __LIBPERF_INTERNAL_THREADMAP_H
+
+#include <linux/refcount.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+struct thread_map_data {
+ pid_t pid;
+ char *comm;
+};
+
+struct perf_thread_map {
+ refcount_t refcnt;
+ int nr;
+ int err_thread;
+ struct thread_map_data map[];
+};
+
+struct perf_thread_map *perf_thread_map__realloc(struct perf_thread_map *map, int nr);
+
+#endif /* __LIBPERF_INTERNAL_THREADMAP_H */
diff --git a/tools/lib/perf/include/internal/xyarray.h b/tools/lib/perf/include/internal/xyarray.h
new file mode 100644
index 0000000000..f10af3da7b
--- /dev/null
+++ b/tools/lib/perf/include/internal/xyarray.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_INTERNAL_XYARRAY_H
+#define __LIBPERF_INTERNAL_XYARRAY_H
+
+#include <linux/compiler.h>
+#include <sys/types.h>
+
+struct xyarray {
+ size_t row_size;
+ size_t entry_size;
+ size_t entries;
+ size_t max_x;
+ size_t max_y;
+ char contents[] __aligned(8);
+};
+
+struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
+void xyarray__delete(struct xyarray *xy);
+void xyarray__reset(struct xyarray *xy);
+
+static inline void *__xyarray__entry(struct xyarray *xy, int x, int y)
+{
+ return &xy->contents[x * xy->row_size + y * xy->entry_size];
+}
+
+static inline void *xyarray__entry(struct xyarray *xy, size_t x, size_t y)
+{
+ if (x >= xy->max_x || y >= xy->max_y)
+ return NULL;
+ return __xyarray__entry(xy, x, y);
+}
+
+static inline int xyarray__max_y(struct xyarray *xy)
+{
+ return xy->max_y;
+}
+
+static inline int xyarray__max_x(struct xyarray *xy)
+{
+ return xy->max_x;
+}
+
+#endif /* __LIBPERF_INTERNAL_XYARRAY_H */
diff --git a/tools/lib/perf/include/perf/bpf_perf.h b/tools/lib/perf/include/perf/bpf_perf.h
new file mode 100644
index 0000000000..e7cf6ba7b6
--- /dev/null
+++ b/tools/lib/perf/include/perf/bpf_perf.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+#ifndef __LIBPERF_BPF_PERF_H
+#define __LIBPERF_BPF_PERF_H
+
+#include <linux/types.h> /* for __u32 */
+
+/*
+ * bpf_perf uses a hashmap, the attr_map, to track all the leader programs.
+ * The hashmap is pinned in bpffs. flock() on this file is used to ensure
+ * no concurrent access to the attr_map. The key of attr_map is struct
+ * perf_event_attr, and the value is struct perf_event_attr_map_entry.
+ *
+ * struct perf_event_attr_map_entry contains two __u32 IDs, bpf_link of the
+ * leader prog, and the diff_map. Each perf-stat session holds a reference
+ * to the bpf_link to make sure the leader prog is attached to sched_switch
+ * tracepoint.
+ *
+ * Since the hashmap only contains IDs of the bpf_link and diff_map, it
+ * does not hold any references to the leader program. Once all perf-stat
+ * sessions of these events exit, the leader prog, its maps, and the
+ * perf_events will be freed.
+ */
+struct perf_event_attr_map_entry {
+ __u32 link_id;
+ __u32 diff_map_id;
+};
+
+/* default attr_map name */
+#define BPF_PERF_DEFAULT_ATTR_MAP_PATH "perf_attr_map"
+
+#endif /* __LIBPERF_BPF_PERF_H */
diff --git a/tools/lib/perf/include/perf/core.h b/tools/lib/perf/include/perf/core.h
new file mode 100644
index 0000000000..a3f6d68eda
--- /dev/null
+++ b/tools/lib/perf/include/perf/core.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_CORE_H
+#define __LIBPERF_CORE_H
+
+#include <stdarg.h>
+
+#ifndef LIBPERF_API
+#define LIBPERF_API __attribute__((visibility("default")))
+#endif
+
+enum libperf_print_level {
+ LIBPERF_ERR,
+ LIBPERF_WARN,
+ LIBPERF_INFO,
+ LIBPERF_DEBUG,
+ LIBPERF_DEBUG2,
+ LIBPERF_DEBUG3,
+};
+
+typedef int (*libperf_print_fn_t)(enum libperf_print_level level,
+ const char *, va_list ap);
+
+LIBPERF_API void libperf_init(libperf_print_fn_t fn);
+
+#endif /* __LIBPERF_CORE_H */
diff --git a/tools/lib/perf/include/perf/cpumap.h b/tools/lib/perf/include/perf/cpumap.h
new file mode 100644
index 0000000000..e38d859a38
--- /dev/null
+++ b/tools/lib/perf/include/perf/cpumap.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_CPUMAP_H
+#define __LIBPERF_CPUMAP_H
+
+#include <perf/core.h>
+#include <stdio.h>
+#include <stdbool.h>
+
+/** A wrapper around a CPU to avoid confusion with the perf_cpu_map's map's indices. */
+struct perf_cpu {
+ int cpu;
+};
+
+struct perf_cache {
+ int cache_lvl;
+ int cache;
+};
+
+struct perf_cpu_map;
+
+/**
+ * perf_cpu_map__dummy_new - a map with a singular "any CPU"/dummy -1 value.
+ */
+LIBPERF_API struct perf_cpu_map *perf_cpu_map__dummy_new(void);
+LIBPERF_API struct perf_cpu_map *perf_cpu_map__default_new(void);
+LIBPERF_API struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list);
+LIBPERF_API struct perf_cpu_map *perf_cpu_map__read(FILE *file);
+LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map);
+LIBPERF_API struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig,
+ struct perf_cpu_map *other);
+LIBPERF_API struct perf_cpu_map *perf_cpu_map__intersect(struct perf_cpu_map *orig,
+ struct perf_cpu_map *other);
+LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map);
+LIBPERF_API struct perf_cpu perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
+LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_map *cpus);
+/**
+ * perf_cpu_map__empty - is map either empty or the "any CPU"/dummy value.
+ */
+LIBPERF_API bool perf_cpu_map__empty(const struct perf_cpu_map *map);
+LIBPERF_API struct perf_cpu perf_cpu_map__max(const struct perf_cpu_map *map);
+LIBPERF_API bool perf_cpu_map__has(const struct perf_cpu_map *map, struct perf_cpu cpu);
+LIBPERF_API bool perf_cpu_map__equal(const struct perf_cpu_map *lhs,
+ const struct perf_cpu_map *rhs);
+/**
+ * perf_cpu_map__any_cpu - Does the map contain the "any CPU"/dummy -1 value?
+ */
+LIBPERF_API bool perf_cpu_map__has_any_cpu(const struct perf_cpu_map *map);
+
+#define perf_cpu_map__for_each_cpu(cpu, idx, cpus) \
+ for ((idx) = 0, (cpu) = perf_cpu_map__cpu(cpus, idx); \
+ (idx) < perf_cpu_map__nr(cpus); \
+ (idx)++, (cpu) = perf_cpu_map__cpu(cpus, idx))
+
+#define perf_cpu_map__for_each_idx(idx, cpus) \
+ for ((idx) = 0; (idx) < perf_cpu_map__nr(cpus); (idx)++)
+
+#endif /* __LIBPERF_CPUMAP_H */
diff --git a/tools/lib/perf/include/perf/event.h b/tools/lib/perf/include/perf/event.h
new file mode 100644
index 0000000000..ae64090184
--- /dev/null
+++ b/tools/lib/perf/include/perf/event.h
@@ -0,0 +1,517 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_EVENT_H
+#define __LIBPERF_EVENT_H
+
+#include <linux/perf_event.h>
+#include <linux/types.h>
+#include <linux/limits.h>
+#include <linux/bpf.h>
+#include <sys/types.h> /* pid_t */
+
+#define event_contains(obj, mem) ((obj).header.size > offsetof(typeof(obj), mem))
+
+struct perf_record_mmap {
+ struct perf_event_header header;
+ __u32 pid, tid;
+ __u64 start;
+ __u64 len;
+ __u64 pgoff;
+ char filename[PATH_MAX];
+};
+
+struct perf_record_mmap2 {
+ struct perf_event_header header;
+ __u32 pid, tid;
+ __u64 start;
+ __u64 len;
+ __u64 pgoff;
+ union {
+ struct {
+ __u32 maj;
+ __u32 min;
+ __u64 ino;
+ __u64 ino_generation;
+ };
+ struct {
+ __u8 build_id_size;
+ __u8 __reserved_1;
+ __u16 __reserved_2;
+ __u8 build_id[20];
+ };
+ };
+ __u32 prot;
+ __u32 flags;
+ char filename[PATH_MAX];
+};
+
+struct perf_record_comm {
+ struct perf_event_header header;
+ __u32 pid, tid;
+ char comm[16];
+};
+
+struct perf_record_namespaces {
+ struct perf_event_header header;
+ __u32 pid, tid;
+ __u64 nr_namespaces;
+ struct perf_ns_link_info link_info[];
+};
+
+struct perf_record_fork {
+ struct perf_event_header header;
+ __u32 pid, ppid;
+ __u32 tid, ptid;
+ __u64 time;
+};
+
+struct perf_record_lost {
+ struct perf_event_header header;
+ __u64 id;
+ __u64 lost;
+};
+
+#define PERF_RECORD_MISC_LOST_SAMPLES_BPF (1 << 15)
+
+struct perf_record_lost_samples {
+ struct perf_event_header header;
+ __u64 lost;
+};
+
+/*
+ * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID | PERF_FORMAT_LOST
+ */
+struct perf_record_read {
+ struct perf_event_header header;
+ __u32 pid, tid;
+ __u64 value;
+ __u64 time_enabled;
+ __u64 time_running;
+ __u64 id;
+ __u64 lost;
+};
+
+struct perf_record_throttle {
+ struct perf_event_header header;
+ __u64 time;
+ __u64 id;
+ __u64 stream_id;
+};
+
+#ifndef KSYM_NAME_LEN
+#define KSYM_NAME_LEN 512
+#endif
+
+struct perf_record_ksymbol {
+ struct perf_event_header header;
+ __u64 addr;
+ __u32 len;
+ __u16 ksym_type;
+ __u16 flags;
+ char name[KSYM_NAME_LEN];
+};
+
+struct perf_record_bpf_event {
+ struct perf_event_header header;
+ __u16 type;
+ __u16 flags;
+ __u32 id;
+
+ /* for bpf_prog types */
+ __u8 tag[BPF_TAG_SIZE]; // prog tag
+};
+
+struct perf_record_cgroup {
+ struct perf_event_header header;
+ __u64 id;
+ char path[PATH_MAX];
+};
+
+struct perf_record_text_poke_event {
+ struct perf_event_header header;
+ __u64 addr;
+ __u16 old_len;
+ __u16 new_len;
+ __u8 bytes[];
+};
+
+struct perf_record_sample {
+ struct perf_event_header header;
+ __u64 array[];
+};
+
+struct perf_record_switch {
+ struct perf_event_header header;
+ __u32 next_prev_pid;
+ __u32 next_prev_tid;
+};
+
+struct perf_record_header_attr {
+ struct perf_event_header header;
+ struct perf_event_attr attr;
+ /*
+ * Array of u64 id follows here but we cannot use a flexible array
+ * because size of attr in the data can be different then current
+ * version. Please use perf_record_header_attr_id() below.
+ *
+ * __u64 id[]; // do not use this
+ */
+};
+
+/* Returns the pointer to id array based on the actual attr size. */
+#define perf_record_header_attr_id(evt) \
+ ((void *)&(evt)->attr.attr + (evt)->attr.attr.size)
+
+enum {
+ PERF_CPU_MAP__CPUS = 0,
+ PERF_CPU_MAP__MASK = 1,
+ PERF_CPU_MAP__RANGE_CPUS = 2,
+};
+
+/*
+ * Array encoding of a perf_cpu_map where nr is the number of entries in cpu[]
+ * and each entry is a value for a CPU in the map.
+ */
+struct cpu_map_entries {
+ __u16 nr;
+ __u16 cpu[];
+};
+
+/* Bitmap encoding of a perf_cpu_map where bitmap entries are 32-bit. */
+struct perf_record_mask_cpu_map32 {
+ /* Number of mask values. */
+ __u16 nr;
+ /* Constant 4. */
+ __u16 long_size;
+ /* Bitmap data. */
+ __u32 mask[];
+};
+
+/* Bitmap encoding of a perf_cpu_map where bitmap entries are 64-bit. */
+struct perf_record_mask_cpu_map64 {
+ /* Number of mask values. */
+ __u16 nr;
+ /* Constant 8. */
+ __u16 long_size;
+ /* Legacy padding. */
+ char __pad[4];
+ /* Bitmap data. */
+ __u64 mask[];
+};
+
+/*
+ * 'struct perf_record_cpu_map_data' is packed as unfortunately an earlier
+ * version had unaligned data and we wish to retain file format compatibility.
+ * -irogers
+ */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpacked"
+#pragma GCC diagnostic ignored "-Wattributes"
+
+/*
+ * An encoding of a CPU map for a range starting at start_cpu through to
+ * end_cpu. If any_cpu is 1, an any CPU (-1) value (aka dummy value) is present.
+ */
+struct perf_record_range_cpu_map {
+ __u8 any_cpu;
+ __u8 __pad;
+ __u16 start_cpu;
+ __u16 end_cpu;
+};
+
+struct perf_record_cpu_map_data {
+ __u16 type;
+ union {
+ /* Used when type == PERF_CPU_MAP__CPUS. */
+ struct cpu_map_entries cpus_data;
+ /* Used when type == PERF_CPU_MAP__MASK and long_size == 4. */
+ struct perf_record_mask_cpu_map32 mask32_data;
+ /* Used when type == PERF_CPU_MAP__MASK and long_size == 8. */
+ struct perf_record_mask_cpu_map64 mask64_data;
+ /* Used when type == PERF_CPU_MAP__RANGE_CPUS. */
+ struct perf_record_range_cpu_map range_cpu_data;
+ };
+} __attribute__((packed));
+
+#pragma GCC diagnostic pop
+
+struct perf_record_cpu_map {
+ struct perf_event_header header;
+ struct perf_record_cpu_map_data data;
+};
+
+enum {
+ PERF_EVENT_UPDATE__UNIT = 0,
+ PERF_EVENT_UPDATE__SCALE = 1,
+ PERF_EVENT_UPDATE__NAME = 2,
+ PERF_EVENT_UPDATE__CPUS = 3,
+};
+
+struct perf_record_event_update_cpus {
+ struct perf_record_cpu_map_data cpus;
+};
+
+struct perf_record_event_update_scale {
+ double scale;
+};
+
+struct perf_record_event_update {
+ struct perf_event_header header;
+ __u64 type;
+ __u64 id;
+ union {
+ /* Used when type == PERF_EVENT_UPDATE__SCALE. */
+ struct perf_record_event_update_scale scale;
+ /* Used when type == PERF_EVENT_UPDATE__UNIT. */
+ char unit[0];
+ /* Used when type == PERF_EVENT_UPDATE__NAME. */
+ char name[0];
+ /* Used when type == PERF_EVENT_UPDATE__CPUS. */
+ struct perf_record_event_update_cpus cpus;
+ };
+};
+
+#define MAX_EVENT_NAME 64
+
+struct perf_trace_event_type {
+ __u64 event_id;
+ char name[MAX_EVENT_NAME];
+};
+
+struct perf_record_header_event_type {
+ struct perf_event_header header;
+ struct perf_trace_event_type event_type;
+};
+
+struct perf_record_header_tracing_data {
+ struct perf_event_header header;
+ __u32 size;
+};
+
+#define PERF_RECORD_MISC_BUILD_ID_SIZE (1 << 15)
+
+struct perf_record_header_build_id {
+ struct perf_event_header header;
+ pid_t pid;
+ union {
+ __u8 build_id[24];
+ struct {
+ __u8 data[20];
+ __u8 size;
+ __u8 reserved1__;
+ __u16 reserved2__;
+ };
+ };
+ char filename[];
+};
+
+struct id_index_entry {
+ __u64 id;
+ __u64 idx;
+ __u64 cpu;
+ __u64 tid;
+};
+
+struct id_index_entry_2 {
+ __u64 machine_pid;
+ __u64 vcpu;
+};
+
+struct perf_record_id_index {
+ struct perf_event_header header;
+ __u64 nr;
+ struct id_index_entry entries[];
+};
+
+struct perf_record_auxtrace_info {
+ struct perf_event_header header;
+ __u32 type;
+ __u32 reserved__; /* For alignment */
+ __u64 priv[];
+};
+
+struct perf_record_auxtrace {
+ struct perf_event_header header;
+ __u64 size;
+ __u64 offset;
+ __u64 reference;
+ __u32 idx;
+ __u32 tid;
+ __u32 cpu;
+ __u32 reserved__; /* For alignment */
+};
+
+#define MAX_AUXTRACE_ERROR_MSG 64
+
+struct perf_record_auxtrace_error {
+ struct perf_event_header header;
+ __u32 type;
+ __u32 code;
+ __u32 cpu;
+ __u32 pid;
+ __u32 tid;
+ __u32 fmt;
+ __u64 ip;
+ __u64 time;
+ char msg[MAX_AUXTRACE_ERROR_MSG];
+ __u32 machine_pid;
+ __u32 vcpu;
+};
+
+struct perf_record_aux {
+ struct perf_event_header header;
+ __u64 aux_offset;
+ __u64 aux_size;
+ __u64 flags;
+};
+
+struct perf_record_itrace_start {
+ struct perf_event_header header;
+ __u32 pid;
+ __u32 tid;
+};
+
+struct perf_record_aux_output_hw_id {
+ struct perf_event_header header;
+ __u64 hw_id;
+};
+
+struct perf_record_thread_map_entry {
+ __u64 pid;
+ char comm[16];
+};
+
+struct perf_record_thread_map {
+ struct perf_event_header header;
+ __u64 nr;
+ struct perf_record_thread_map_entry entries[];
+};
+
+enum {
+ PERF_STAT_CONFIG_TERM__AGGR_MODE = 0,
+ PERF_STAT_CONFIG_TERM__INTERVAL = 1,
+ PERF_STAT_CONFIG_TERM__SCALE = 2,
+ PERF_STAT_CONFIG_TERM__AGGR_LEVEL = 3,
+ PERF_STAT_CONFIG_TERM__MAX = 4,
+};
+
+struct perf_record_stat_config_entry {
+ __u64 tag;
+ __u64 val;
+};
+
+struct perf_record_stat_config {
+ struct perf_event_header header;
+ __u64 nr;
+ struct perf_record_stat_config_entry data[];
+};
+
+struct perf_record_stat {
+ struct perf_event_header header;
+
+ __u64 id;
+ __u32 cpu;
+ __u32 thread;
+
+ union {
+ struct {
+ __u64 val;
+ __u64 ena;
+ __u64 run;
+ };
+ __u64 values[3];
+ };
+};
+
+struct perf_record_stat_round {
+ struct perf_event_header header;
+ __u64 type;
+ __u64 time;
+};
+
+struct perf_record_time_conv {
+ struct perf_event_header header;
+ __u64 time_shift;
+ __u64 time_mult;
+ __u64 time_zero;
+ __u64 time_cycles;
+ __u64 time_mask;
+ __u8 cap_user_time_zero;
+ __u8 cap_user_time_short;
+ __u8 reserved[6]; /* For alignment */
+};
+
+struct perf_record_header_feature {
+ struct perf_event_header header;
+ __u64 feat_id;
+ char data[];
+};
+
+struct perf_record_compressed {
+ struct perf_event_header header;
+ char data[];
+};
+
+enum perf_user_event_type { /* above any possible kernel type */
+ PERF_RECORD_USER_TYPE_START = 64,
+ PERF_RECORD_HEADER_ATTR = 64,
+ PERF_RECORD_HEADER_EVENT_TYPE = 65, /* deprecated */
+ PERF_RECORD_HEADER_TRACING_DATA = 66,
+ PERF_RECORD_HEADER_BUILD_ID = 67,
+ PERF_RECORD_FINISHED_ROUND = 68,
+ PERF_RECORD_ID_INDEX = 69,
+ PERF_RECORD_AUXTRACE_INFO = 70,
+ PERF_RECORD_AUXTRACE = 71,
+ PERF_RECORD_AUXTRACE_ERROR = 72,
+ PERF_RECORD_THREAD_MAP = 73,
+ PERF_RECORD_CPU_MAP = 74,
+ PERF_RECORD_STAT_CONFIG = 75,
+ PERF_RECORD_STAT = 76,
+ PERF_RECORD_STAT_ROUND = 77,
+ PERF_RECORD_EVENT_UPDATE = 78,
+ PERF_RECORD_TIME_CONV = 79,
+ PERF_RECORD_HEADER_FEATURE = 80,
+ PERF_RECORD_COMPRESSED = 81,
+ PERF_RECORD_FINISHED_INIT = 82,
+ PERF_RECORD_HEADER_MAX
+};
+
+union perf_event {
+ struct perf_event_header header;
+ struct perf_record_mmap mmap;
+ struct perf_record_mmap2 mmap2;
+ struct perf_record_comm comm;
+ struct perf_record_namespaces namespaces;
+ struct perf_record_cgroup cgroup;
+ struct perf_record_fork fork;
+ struct perf_record_lost lost;
+ struct perf_record_lost_samples lost_samples;
+ struct perf_record_read read;
+ struct perf_record_throttle throttle;
+ struct perf_record_sample sample;
+ struct perf_record_bpf_event bpf;
+ struct perf_record_ksymbol ksymbol;
+ struct perf_record_text_poke_event text_poke;
+ struct perf_record_header_attr attr;
+ struct perf_record_event_update event_update;
+ struct perf_record_header_event_type event_type;
+ struct perf_record_header_tracing_data tracing_data;
+ struct perf_record_header_build_id build_id;
+ struct perf_record_id_index id_index;
+ struct perf_record_auxtrace_info auxtrace_info;
+ struct perf_record_auxtrace auxtrace;
+ struct perf_record_auxtrace_error auxtrace_error;
+ struct perf_record_aux aux;
+ struct perf_record_itrace_start itrace_start;
+ struct perf_record_aux_output_hw_id aux_output_hw_id;
+ struct perf_record_switch context_switch;
+ struct perf_record_thread_map thread_map;
+ struct perf_record_cpu_map cpu_map;
+ struct perf_record_stat_config stat_config;
+ struct perf_record_stat stat;
+ struct perf_record_stat_round stat_round;
+ struct perf_record_time_conv time_conv;
+ struct perf_record_header_feature feat;
+ struct perf_record_compressed pack;
+};
+
+#endif /* __LIBPERF_EVENT_H */
diff --git a/tools/lib/perf/include/perf/evlist.h b/tools/lib/perf/include/perf/evlist.h
new file mode 100644
index 0000000000..e894b77077
--- /dev/null
+++ b/tools/lib/perf/include/perf/evlist.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_EVLIST_H
+#define __LIBPERF_EVLIST_H
+
+#include <perf/core.h>
+#include <stdbool.h>
+
+struct perf_evlist;
+struct perf_evsel;
+struct perf_cpu_map;
+struct perf_thread_map;
+
+LIBPERF_API void perf_evlist__add(struct perf_evlist *evlist,
+ struct perf_evsel *evsel);
+LIBPERF_API void perf_evlist__remove(struct perf_evlist *evlist,
+ struct perf_evsel *evsel);
+LIBPERF_API struct perf_evlist *perf_evlist__new(void);
+LIBPERF_API void perf_evlist__delete(struct perf_evlist *evlist);
+LIBPERF_API struct perf_evsel* perf_evlist__next(struct perf_evlist *evlist,
+ struct perf_evsel *evsel);
+LIBPERF_API int perf_evlist__open(struct perf_evlist *evlist);
+LIBPERF_API void perf_evlist__close(struct perf_evlist *evlist);
+LIBPERF_API void perf_evlist__enable(struct perf_evlist *evlist);
+LIBPERF_API void perf_evlist__disable(struct perf_evlist *evlist);
+
+#define perf_evlist__for_each_evsel(evlist, pos) \
+ for ((pos) = perf_evlist__next((evlist), NULL); \
+ (pos) != NULL; \
+ (pos) = perf_evlist__next((evlist), (pos)))
+
+LIBPERF_API void perf_evlist__set_maps(struct perf_evlist *evlist,
+ struct perf_cpu_map *cpus,
+ struct perf_thread_map *threads);
+LIBPERF_API int perf_evlist__poll(struct perf_evlist *evlist, int timeout);
+LIBPERF_API int perf_evlist__filter_pollfd(struct perf_evlist *evlist,
+ short revents_and_mask);
+
+LIBPERF_API int perf_evlist__mmap(struct perf_evlist *evlist, int pages);
+LIBPERF_API void perf_evlist__munmap(struct perf_evlist *evlist);
+
+LIBPERF_API struct perf_mmap *perf_evlist__next_mmap(struct perf_evlist *evlist,
+ struct perf_mmap *map,
+ bool overwrite);
+#define perf_evlist__for_each_mmap(evlist, pos, overwrite) \
+ for ((pos) = perf_evlist__next_mmap((evlist), NULL, overwrite); \
+ (pos) != NULL; \
+ (pos) = perf_evlist__next_mmap((evlist), (pos), overwrite))
+
+LIBPERF_API void perf_evlist__set_leader(struct perf_evlist *evlist);
+LIBPERF_API int perf_evlist__nr_groups(struct perf_evlist *evlist);
+#endif /* __LIBPERF_EVLIST_H */
diff --git a/tools/lib/perf/include/perf/evsel.h b/tools/lib/perf/include/perf/evsel.h
new file mode 100644
index 0000000000..6f92204075
--- /dev/null
+++ b/tools/lib/perf/include/perf/evsel.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_EVSEL_H
+#define __LIBPERF_EVSEL_H
+
+#include <stdint.h>
+#include <perf/core.h>
+#include <stdbool.h>
+#include <linux/types.h>
+
+struct perf_evsel;
+struct perf_event_attr;
+struct perf_cpu_map;
+struct perf_thread_map;
+
+struct perf_counts_values {
+ union {
+ struct {
+ uint64_t val;
+ uint64_t ena;
+ uint64_t run;
+ uint64_t id;
+ uint64_t lost;
+ };
+ uint64_t values[5];
+ };
+};
+
+LIBPERF_API struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr);
+LIBPERF_API void perf_evsel__delete(struct perf_evsel *evsel);
+LIBPERF_API int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
+ struct perf_thread_map *threads);
+LIBPERF_API void perf_evsel__close(struct perf_evsel *evsel);
+LIBPERF_API void perf_evsel__close_cpu(struct perf_evsel *evsel, int cpu_map_idx);
+LIBPERF_API int perf_evsel__mmap(struct perf_evsel *evsel, int pages);
+LIBPERF_API void perf_evsel__munmap(struct perf_evsel *evsel);
+LIBPERF_API void *perf_evsel__mmap_base(struct perf_evsel *evsel, int cpu_map_idx, int thread);
+LIBPERF_API int perf_evsel__read(struct perf_evsel *evsel, int cpu_map_idx, int thread,
+ struct perf_counts_values *count);
+LIBPERF_API int perf_evsel__enable(struct perf_evsel *evsel);
+LIBPERF_API int perf_evsel__enable_cpu(struct perf_evsel *evsel, int cpu_map_idx);
+LIBPERF_API int perf_evsel__enable_thread(struct perf_evsel *evsel, int thread);
+LIBPERF_API int perf_evsel__disable(struct perf_evsel *evsel);
+LIBPERF_API int perf_evsel__disable_cpu(struct perf_evsel *evsel, int cpu_map_idx);
+LIBPERF_API struct perf_cpu_map *perf_evsel__cpus(struct perf_evsel *evsel);
+LIBPERF_API struct perf_thread_map *perf_evsel__threads(struct perf_evsel *evsel);
+LIBPERF_API struct perf_event_attr *perf_evsel__attr(struct perf_evsel *evsel);
+LIBPERF_API void perf_counts_values__scale(struct perf_counts_values *count,
+ bool scale, __s8 *pscaled);
+
+#endif /* __LIBPERF_EVSEL_H */
diff --git a/tools/lib/perf/include/perf/mmap.h b/tools/lib/perf/include/perf/mmap.h
new file mode 100644
index 0000000000..9508ad90d8
--- /dev/null
+++ b/tools/lib/perf/include/perf/mmap.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_MMAP_H
+#define __LIBPERF_MMAP_H
+
+#include <perf/core.h>
+
+struct perf_mmap;
+union perf_event;
+
+LIBPERF_API void perf_mmap__consume(struct perf_mmap *map);
+LIBPERF_API int perf_mmap__read_init(struct perf_mmap *map);
+LIBPERF_API void perf_mmap__read_done(struct perf_mmap *map);
+LIBPERF_API union perf_event *perf_mmap__read_event(struct perf_mmap *map);
+
+#endif /* __LIBPERF_MMAP_H */
diff --git a/tools/lib/perf/include/perf/threadmap.h b/tools/lib/perf/include/perf/threadmap.h
new file mode 100644
index 0000000000..8b40e7777c
--- /dev/null
+++ b/tools/lib/perf/include/perf/threadmap.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LIBPERF_THREADMAP_H
+#define __LIBPERF_THREADMAP_H
+
+#include <perf/core.h>
+#include <sys/types.h>
+
+struct perf_thread_map;
+
+LIBPERF_API struct perf_thread_map *perf_thread_map__new_dummy(void);
+LIBPERF_API struct perf_thread_map *perf_thread_map__new_array(int nr_threads, pid_t *array);
+
+LIBPERF_API void perf_thread_map__set_pid(struct perf_thread_map *map, int idx, pid_t pid);
+LIBPERF_API char *perf_thread_map__comm(struct perf_thread_map *map, int idx);
+LIBPERF_API int perf_thread_map__nr(struct perf_thread_map *threads);
+LIBPERF_API pid_t perf_thread_map__pid(struct perf_thread_map *map, int idx);
+
+LIBPERF_API struct perf_thread_map *perf_thread_map__get(struct perf_thread_map *map);
+LIBPERF_API void perf_thread_map__put(struct perf_thread_map *map);
+
+#endif /* __LIBPERF_THREADMAP_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-17 03:09:51 +0000