Merge tag 'v4.15-rc1' into next-seccomp

Linux 4.15-rc1

1 files changed, 132 insertions, 7 deletions

diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index 3149b70799fd..5744c12641a5 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -76,6 +76,8 @@ struct ctf_writer {
 	struct bt_ctf_event_class	*comm_class;
 	struct bt_ctf_event_class	*exit_class;
 	struct bt_ctf_event_class	*fork_class;
+	struct bt_ctf_event_class	*mmap_class;
+	struct bt_ctf_event_class	*mmap2_class;
 };
 
 struct convert {
@@ -506,6 +508,81 @@ put_len_type:
 	return ret;
 }
 
+static int
+add_callchain_output_values(struct bt_ctf_event_class *event_class,
+		      struct bt_ctf_event *event,
+		      struct ip_callchain *callchain)
+{
+	struct bt_ctf_field_type *len_type, *seq_type;
+	struct bt_ctf_field *len_field, *seq_field;
+	unsigned int nr_elements = callchain->nr;
+	unsigned int i;
+	int ret;
+
+	len_type = bt_ctf_event_class_get_field_by_name(
+			event_class, "perf_callchain_size");
+	len_field = bt_ctf_field_create(len_type);
+	if (!len_field) {
+		pr_err("failed to create 'perf_callchain_size' for callchain output event\n");
+		ret = -1;
+		goto put_len_type;
+	}
+
+	ret = bt_ctf_field_unsigned_integer_set_value(len_field, nr_elements);
+	if (ret) {
+		pr_err("failed to set field value for perf_callchain_size\n");
+		goto put_len_field;
+	}
+	ret = bt_ctf_event_set_payload(event, "perf_callchain_size", len_field);
+	if (ret) {
+		pr_err("failed to set payload to perf_callchain_size\n");
+		goto put_len_field;
+	}
+
+	seq_type = bt_ctf_event_class_get_field_by_name(
+			event_class, "perf_callchain");
+	seq_field = bt_ctf_field_create(seq_type);
+	if (!seq_field) {
+		pr_err("failed to create 'perf_callchain' for callchain output event\n");
+		ret = -1;
+		goto put_seq_type;
+	}
+
+	ret = bt_ctf_field_sequence_set_length(seq_field, len_field);
+	if (ret) {
+		pr_err("failed to set length of 'perf_callchain'\n");
+		goto put_seq_field;
+	}
+
+	for (i = 0; i < nr_elements; i++) {
+		struct bt_ctf_field *elem_field =
+			bt_ctf_field_sequence_get_field(seq_field, i);
+
+		ret = bt_ctf_field_unsigned_integer_set_value(elem_field,
+				((u64 *)(callchain->ips))[i]);
+
+		bt_ctf_field_put(elem_field);
+		if (ret) {
+			pr_err("failed to set callchain[%d]\n", i);
+			goto put_seq_field;
+		}
+	}
+
+	ret = bt_ctf_event_set_payload(event, "perf_callchain", seq_field);
+	if (ret)
+		pr_err("failed to set payload for raw_data\n");
+
+put_seq_field:
+	bt_ctf_field_put(seq_field);
+put_seq_type:
+	bt_ctf_field_type_put(seq_type);
+put_len_field:
+	bt_ctf_field_put(len_field);
+put_len_type:
+	bt_ctf_field_type_put(len_type);
+	return ret;
+}
+
 static int add_generic_values(struct ctf_writer *cw,
 			      struct bt_ctf_event *event,
 			      struct perf_evsel *evsel,
@@ -519,7 +596,6 @@ static int add_generic_values(struct ctf_writer *cw,
 	 *   PERF_SAMPLE_TIME         - not needed as we have it in
 	 *                              ctf event header
 	 *   PERF_SAMPLE_READ         - TODO
-	 *   PERF_SAMPLE_CALLCHAIN    - TODO
 	 *   PERF_SAMPLE_RAW          - tracepoint fields are handled separately
 	 *   PERF_SAMPLE_BRANCH_STACK - TODO
 	 *   PERF_SAMPLE_REGS_USER    - TODO
@@ -720,6 +796,7 @@ static int process_sample_event(struct perf_tool *tool,
 	struct bt_ctf_event_class *event_class;
 	struct bt_ctf_event *event;
 	int ret;
+	unsigned long type = evsel->attr.sample_type;
 
 	if (WARN_ONCE(!priv, "Failed to setup all events.\n"))
 		return 0;
@@ -751,6 +828,13 @@ static int process_sample_event(struct perf_tool *tool,
 			return -1;
 	}
 
+	if (type & PERF_SAMPLE_CALLCHAIN) {
+		ret = add_callchain_output_values(event_class,
+				event, sample->callchain);
+		if (ret)
+			return -1;
+	}
+
 	if (perf_evsel__is_bpf_output(evsel)) {
 		ret = add_bpf_output_values(event_class, event, sample);
 		if (ret)
@@ -833,6 +917,18 @@ __FUNC_PROCESS_NON_SAMPLE(exit,
 	__NON_SAMPLE_SET_FIELD(fork, u32, ptid);
 	__NON_SAMPLE_SET_FIELD(fork, u64, time);
 )
+__FUNC_PROCESS_NON_SAMPLE(mmap,
+	__NON_SAMPLE_SET_FIELD(mmap, u32, pid);
+	__NON_SAMPLE_SET_FIELD(mmap, u32, tid);
+	__NON_SAMPLE_SET_FIELD(mmap, u64_hex, start);
+	__NON_SAMPLE_SET_FIELD(mmap, string, filename);
+)
+__FUNC_PROCESS_NON_SAMPLE(mmap2,
+	__NON_SAMPLE_SET_FIELD(mmap2, u32, pid);
+	__NON_SAMPLE_SET_FIELD(mmap2, u32, tid);
+	__NON_SAMPLE_SET_FIELD(mmap2, u64_hex, start);
+	__NON_SAMPLE_SET_FIELD(mmap2, string, filename);
+)
 #undef __NON_SAMPLE_SET_FIELD
 #undef __FUNC_PROCESS_NON_SAMPLE
 
@@ -1043,6 +1139,14 @@ static int add_generic_types(struct ctf_writer *cw, struct perf_evsel *evsel,
 	if (type & PERF_SAMPLE_TRANSACTION)
 		ADD_FIELD(event_class, cw->data.u64, "perf_transaction");
 
+	if (type & PERF_SAMPLE_CALLCHAIN) {
+		ADD_FIELD(event_class, cw->data.u32, "perf_callchain_size");
+		ADD_FIELD(event_class,
+			bt_ctf_field_type_sequence_create(
+				cw->data.u64_hex, "perf_callchain_size"),
+			"perf_callchain");
+	}
+
 #undef ADD_FIELD
 	return 0;
 }
@@ -1164,6 +1268,19 @@ __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(exit,
 	__NON_SAMPLE_ADD_FIELD(u64, time);
 )
 
+__FUNC_ADD_NON_SAMPLE_EVENT_CLASS(mmap,
+	__NON_SAMPLE_ADD_FIELD(u32, pid);
+	__NON_SAMPLE_ADD_FIELD(u32, tid);
+	__NON_SAMPLE_ADD_FIELD(u64_hex, start);
+	__NON_SAMPLE_ADD_FIELD(string, filename);
+)
+
+__FUNC_ADD_NON_SAMPLE_EVENT_CLASS(mmap2,
+	__NON_SAMPLE_ADD_FIELD(u32, pid);
+	__NON_SAMPLE_ADD_FIELD(u32, tid);
+	__NON_SAMPLE_ADD_FIELD(u64_hex, start);
+	__NON_SAMPLE_ADD_FIELD(string, filename);
+)
 #undef __NON_SAMPLE_ADD_FIELD
 #undef __FUNC_ADD_NON_SAMPLE_EVENT_CLASS
 
@@ -1181,6 +1298,12 @@ static int setup_non_sample_events(struct ctf_writer *cw,
 	ret = add_fork_event(cw);
 	if (ret)
 		return ret;
+	ret = add_mmap_event(cw);
+	if (ret)
+		return ret;
+	ret = add_mmap2_event(cw);
+	if (ret)
+		return ret;
 	return 0;
 }
 
@@ -1454,10 +1577,10 @@ int bt_convert__perf2ctf(const char *input, const char *path,
 			 struct perf_data_convert_opts *opts)
 {
 	struct perf_session *session;
-	struct perf_data_file file = {
-		.path = input,
-		.mode = PERF_DATA_MODE_READ,
-		.force = opts->force,
+	struct perf_data data = {
+		.file.path = input,
+		.mode      = PERF_DATA_MODE_READ,
+		.force     = opts->force,
 	};
 	struct convert c = {
 		.tool = {
@@ -1482,6 +1605,8 @@ int bt_convert__perf2ctf(const char *input, const char *path,
 		c.tool.comm = process_comm_event;
 		c.tool.exit = process_exit_event;
 		c.tool.fork = process_fork_event;
+		c.tool.mmap = process_mmap_event;
+		c.tool.mmap2 = process_mmap2_event;
 	}
 
 	err = perf_config(convert__config, &c);
@@ -1494,7 +1619,7 @@ int bt_convert__perf2ctf(const char *input, const char *path,
 
 	err = -1;
 	/* perf.data session */
-	session = perf_session__new(&file, 0, &c.tool);
+	session = perf_session__new(&data, 0, &c.tool);
 	if (!session)
 		goto free_writer;
 
@@ -1525,7 +1650,7 @@ int bt_convert__perf2ctf(const char *input, const char *path,
 
 	fprintf(stderr,
 		"[ perf data convert: Converted '%s' into CTF data '%s' ]\n",
-		file.path, path);
+		data.file.path, path);
 
 	fprintf(stderr,
 		"[ perf data convert: Converted and wrote %.3f MB (%" PRIu64 " samples",