libperf: Adopt perf_mmap__read_done() from tools/perf

Move perf_mmap__read_init() from tools/perf to libperf and export it in
the perf/mmap.h header.

Signed-off-by: Jiri Olsa <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Michael Petlan <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index ff3a986..13e67cd 100644
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -54,7 +54,7 @@ static int count_samples(struct evlist *evlist, int *sample_count,
 				return TEST_FAIL;
 			}
 		}
-		perf_mmap__read_done(map);
+		perf_mmap__read_done(&map->core);
 	}
 	return TEST_OK;
 }
diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c
index 73d26c63..fd45529 100644
--- a/tools/perf/tests/bpf.c
+++ b/tools/perf/tests/bpf.c
@@ -194,7 +194,7 @@ static int do_test(struct bpf_object *obj, int (*func)(void),
 			if (type == PERF_RECORD_SAMPLE)
 				count ++;
 		}
-		perf_mmap__read_done(md);
+		perf_mmap__read_done(&md->core);
 	}
 
 	if (count != expect) {
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index cf992e0..9947cda 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -435,7 +435,7 @@ static int process_events(struct machine *machine, struct evlist *evlist,
 			if (ret < 0)
 				return ret;
 		}
-		perf_mmap__read_done(md);
+		perf_mmap__read_done(&md->core);
 	}
 	return 0;
 }
diff --git a/tools/perf/tests/keep-tracking.c b/tools/perf/tests/keep-tracking.c
index e85da7e..e950907f 100644
--- a/tools/perf/tests/keep-tracking.c
+++ b/tools/perf/tests/keep-tracking.c
@@ -49,7 +49,7 @@ static int find_comm(struct evlist *evlist, const char *comm)
 				found += 1;
 			perf_mmap__consume(&md->core);
 		}
-		perf_mmap__read_done(md);
+		perf_mmap__read_done(&md->core);
 	}
 	return found;
 }
diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index 77f42f0..bb15d405 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -142,7 +142,7 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
 		nr_events[evsel->idx]++;
 		perf_mmap__consume(&md->core);
 	}
-	perf_mmap__read_done(md);
+	perf_mmap__read_done(&md->core);
 
 out_init:
 	err = 0;
diff --git a/tools/perf/tests/openat-syscall-tp-fields.c b/tools/perf/tests/openat-syscall-tp-fields.c
index d6a5631..c95eb1b 100644
--- a/tools/perf/tests/openat-syscall-tp-fields.c
+++ b/tools/perf/tests/openat-syscall-tp-fields.c
@@ -124,7 +124,7 @@ int test__syscall_openat_tp_fields(struct test *test __maybe_unused, int subtest
 
 				goto out_ok;
 			}
-			perf_mmap__read_done(md);
+			perf_mmap__read_done(&md->core);
 		}
 
 		if (nr_events == before)
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 2587cb8..92a53be 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -279,7 +279,7 @@ int test__PERF_RECORD(struct test *test __maybe_unused, int subtest __maybe_unus
 
 				perf_mmap__consume(&md->core);
 			}
-			perf_mmap__read_done(md);
+			perf_mmap__read_done(&md->core);
 		}
 
 		/*
diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c
index 8086695..ace2092 100644
--- a/tools/perf/tests/sw-clock.c
+++ b/tools/perf/tests/sw-clock.c
@@ -120,7 +120,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id)
 next_event:
 		perf_mmap__consume(&md->core);
 	}
-	perf_mmap__read_done(md);
+	perf_mmap__read_done(&md->core);
 
 out_init:
 	if ((u64) nr_samples == total_periods) {
diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c
index bedfdec..8400fb1 100644
--- a/tools/perf/tests/switch-tracking.c
+++ b/tools/perf/tests/switch-tracking.c
@@ -280,7 +280,7 @@ static int process_events(struct evlist *evlist,
 			if (ret < 0)
 				goto out_free_nodes;
 		}
-		perf_mmap__read_done(md);
+		perf_mmap__read_done(&md->core);
 	}
 
 	events_array = calloc(cnt, sizeof(struct event_node));
diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c
index 035d423..c6a1394 100644
--- a/tools/perf/tests/task-exit.c
+++ b/tools/perf/tests/task-exit.c
@@ -127,7 +127,7 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused
 
 		perf_mmap__consume(&md->core);
 	}
-	perf_mmap__read_done(md);
+	perf_mmap__read_done(&md->core);
 
 out_init:
 	if (!exited || !nr_exit) {