Merge tag 'perf-core-for-mingo' of...

Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

 - Rename libtraceevent 'private' struct member to 'priv' so that it works
   in C++, from Steven Rostedt

 - Remove lots of exit()/die() calls from tools so that the main perf exit
   routine can take place, from David Ahern

 - Fix x86 build on x86-64, from David Ahern.

 - Remove some headers that prevented perf from building on Android,
   from David Ahern

 - {int,str,rb}list fixes from Suzuki K Poulose

 - perf.data header fixes from Namhyung Kim

 - Replace needless mempcpy with memcpy, to allow build on Android, from Irina Tirdea

 - Allow user to indicate objdump path, needed in cross environments, from
   Maciek Borzecki

 - Fix hardware cache event name generation, fix from Jiri Olsa

 - Add round trip test for sw, hw and cache event names, catching the
   problem Jiri fixed, after Jiri's patch, the test passes successfully.

 - Clean target should do clean for lib/traceevent too, fix from David Ahern

 - Check the right variable for allocation failure, fix from Namhyung Kim

 - Set up evsel->tp_format regardless of evsel->name being set already,
   fix from Namhyung Kim
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

tools/lib/traceevent/event-parse.h

@@ -49,7 +49,7 @@ struct pevent_record {
 	int			cpu;
 	int			ref_count;
 	int			locked;		/* Do not free, even if ref_count is zero */
-	void			*private;
+	void			*priv;
 #if DEBUG_RECORD
 	struct pevent_record	*prev;
 	struct pevent_record	*next;
@@ -106,7 +106,7 @@ struct plugin_option {
 	char				*plugin_alias;
 	char				*description;
 	char				*value;
-	void				*private;
+	void				*priv;
 	int				set;
 };
 

tools/perf/Documentation/perf-annotate.txt

@@ -85,6 +85,9 @@ OPTIONS
 -M::
 --disassembler-style=:: Set disassembler style for objdump.
 
+--objdump=<path>::
+        Path to objdump binary.
+
 SEE ALSO
 --------
 linkperf:perf-record[1], linkperf:perf-report[1]

tools/perf/Documentation/perf-report.txt

@@ -168,6 +168,9 @@ OPTIONS
 	branch stacks and it will automatically switch to the branch view mode,
 	unless --no-branch-stack is used.
 
+--objdump=<path>::
+        Path to objdump binary.
+
 SEE ALSO
 --------
 linkperf:perf-stat[1], linkperf:perf-annotate[1]

tools/perf/Makefile

@@ -64,12 +64,12 @@ AR = $(CROSS_COMPILE)ar
 
 # Additional ARCH settings for x86
 ifeq ($(ARCH),i386)
-	ARCH := x86
+	override ARCH := x86
 	NO_PERF_REGS := 0
 	LIBUNWIND_LIBS = -lunwind -lunwind-x86
 endif
 ifeq ($(ARCH),x86_64)
-	ARCH := x86
+	override ARCH := x86
 	IS_X86_64 := 0
 	ifeq (, $(findstring m32,$(EXTRA_CFLAGS)))
 		IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -xc - | tail -n 1)
@@ -917,6 +917,9 @@ $(LIB_FILE): $(LIB_OBJS)
 $(LIBTRACEEVENT):
 	$(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) libtraceevent.a
 
+$(LIBTRACEEVENT)-clean:
+	$(QUIET_SUBDIR0)$(TRACE_EVENT_DIR) $(QUIET_SUBDIR1) O=$(OUTPUT) clean
+
 help:
 	@echo 'Perf make targets:'
 	@echo '  doc		- make *all* documentation (see below)'
@@ -1056,7 +1059,7 @@ quick-install-html:
 
 ### Cleaning rules
 
-clean:
+clean: $(LIBTRACEEVENT)-clean
 	$(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf.o $(LANG_BINDINGS)
 	$(RM) $(ALL_PROGRAMS) perf
 	$(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope*

tools/perf/builtin-annotate.c

@@ -282,6 +282,8 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used)
 		    "Display raw encoding of assembly instructions (default)"),
 	OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
 		   "Specify disassembler style (e.g. -M intel for intel syntax)"),
+	OPT_STRING(0, "objdump", &objdump_path, "path",
+		   "objdump binary to use for disassembly and annotations"),
 	OPT_END()
 	};
 

tools/perf/builtin-help.c

@@ -24,13 +24,14 @@ static struct man_viewer_info_list {
 } *man_viewer_info_list;
 
 enum help_format {
+	HELP_FORMAT_NONE,
 	HELP_FORMAT_MAN,
 	HELP_FORMAT_INFO,
 	HELP_FORMAT_WEB,
 };
 
 static bool show_all = false;
-static enum help_format help_format = HELP_FORMAT_MAN;
+static enum help_format help_format = HELP_FORMAT_NONE;
 static struct option builtin_help_options[] = {
 	OPT_BOOLEAN('a', "all", &show_all, "print all available commands"),
 	OPT_SET_UINT('m', "man", &help_format, "show man page", HELP_FORMAT_MAN),
@@ -54,7 +55,9 @@ static enum help_format parse_help_format(const char *format)
 		return HELP_FORMAT_INFO;
 	if (!strcmp(format, "web") || !strcmp(format, "html"))
 		return HELP_FORMAT_WEB;
-	die("unrecognized help format '%s'", format);
+
+	pr_err("unrecognized help format '%s'", format);
+	return HELP_FORMAT_NONE;
 }
 
 static const char *get_man_viewer_info(const char *name)
@@ -259,6 +262,8 @@ static int perf_help_config(const char *var, const char *value, void *cb)
 		if (!value)
 			return config_error_nonbool(var);
 		help_format = parse_help_format(value);
+		if (help_format == HELP_FORMAT_NONE)
+			return -1;
 		return 0;
 	}
 	if (!strcmp(var, "man.viewer")) {
@@ -352,7 +357,7 @@ static void exec_viewer(const char *name, const char *page)
 		warning("'%s': unknown man viewer.", name);
 }
 
-static void show_man_page(const char *perf_cmd)
+static int show_man_page(const char *perf_cmd)
 {
 	struct man_viewer_list *viewer;
 	const char *page = cmd_to_page(perf_cmd);
@@ -365,28 +370,35 @@ static void show_man_page(const char *perf_cmd)
 	if (fallback)
 		exec_viewer(fallback, page);
 	exec_viewer("man", page);
-	die("no man viewer handled the request");
+
+	pr_err("no man viewer handled the request");
+	return -1;
 }
 
-static void show_info_page(const char *perf_cmd)
+static int show_info_page(const char *perf_cmd)
 {
 	const char *page = cmd_to_page(perf_cmd);
 	setenv("INFOPATH", system_path(PERF_INFO_PATH), 1);
 	execlp("info", "info", "perfman", page, NULL);
+	return -1;
 }
 
-static void get_html_page_path(struct strbuf *page_path, const char *page)
+static int get_html_page_path(struct strbuf *page_path, const char *page)
 {
 	struct stat st;
 	const char *html_path = system_path(PERF_HTML_PATH);
 
 	/* Check that we have a perf documentation directory. */
 	if (stat(mkpath("%s/perf.html", html_path), &st)
-	    || !S_ISREG(st.st_mode))
-		die("'%s': not a documentation directory.", html_path);
+	    || !S_ISREG(st.st_mode)) {
+		pr_err("'%s': not a documentation directory.", html_path);
+		return -1;
+	}
 
 	strbuf_init(page_path, 0);
 	strbuf_addf(page_path, "%s/%s.html", html_path, page);
+
+	return 0;
 }
 
 /*
@@ -401,19 +413,23 @@ static void open_html(const char *path)
 }
 #endif
 
-static void show_html_page(const char *perf_cmd)
+static int show_html_page(const char *perf_cmd)
 {
 	const char *page = cmd_to_page(perf_cmd);
 	struct strbuf page_path; /* it leaks but we exec bellow */
 
-	get_html_page_path(&page_path, page);
+	if (get_html_page_path(&page_path, page) != 0)
+		return -1;
 
 	open_html(page_path.buf);
+
+	return 0;
 }
 
 int cmd_help(int argc, const char **argv, const char *prefix __used)
 {
 	const char *alias;
+	int rc = 0;
 
 	load_command_list("perf-", &main_cmds, &other_cmds);
 
@@ -444,16 +460,20 @@ int cmd_help(int argc, const char **argv, const char *prefix __used)
 
 	switch (help_format) {
 	case HELP_FORMAT_MAN:
-		show_man_page(argv[0]);
+		rc = show_man_page(argv[0]);
 		break;
 	case HELP_FORMAT_INFO:
-		show_info_page(argv[0]);
+		rc = show_info_page(argv[0]);
 		break;
 	case HELP_FORMAT_WEB:
-		show_html_page(argv[0]);
+		rc = show_html_page(argv[0]);
+		break;
+	case HELP_FORMAT_NONE:
+		/* fall-through */
 	default:
+		rc = -1;
 		break;
 	}
 
-	return 0;
+	return rc;
 }

tools/perf/builtin-report.c

@@ -638,6 +638,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
 		    "Show a column with the sum of periods"),
 	OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "",
 		    "use branch records for histogram filling", parse_branch_mode),
+	OPT_STRING(0, "objdump", &objdump_path, "path",
+		   "objdump binary to use for disassembly and annotations"),
 	OPT_END()
 	};
 

tools/perf/builtin-script.c

@@ -1153,18 +1153,23 @@ static const struct option options[] = {
 	OPT_END()
 };
 
-static bool have_cmd(int argc, const char **argv)
+static int have_cmd(int argc, const char **argv)
 {
 	char **__argv = malloc(sizeof(const char *) * argc);
 
-	if (!__argv)
-		die("malloc");
+	if (!__argv) {
+		pr_err("malloc failed\n");
+		return -1;
+	}
+
 	memcpy(__argv, argv, sizeof(const char *) * argc);
 	argc = parse_options(argc, (const char **)__argv, record_options,
 			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
 	free(__argv);
 
-	return argc != 0;
+	system_wide = (argc == 0);
+
+	return 0;
 }
 
 int cmd_script(int argc, const char **argv, const char *prefix __used)
@@ -1231,13 +1236,13 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
 
 		if (pipe(live_pipe) < 0) {
 			perror("failed to create pipe");
-			exit(-1);
+			return -1;
 		}
 
 		pid = fork();
 		if (pid < 0) {
 			perror("failed to fork");
-			exit(-1);
+			return -1;
 		}
 
 		if (!pid) {
@@ -1249,13 +1254,18 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
 			if (is_top_script(argv[0])) {
 				system_wide = true;
 			} else if (!system_wide) {
-				system_wide = !have_cmd(argc - rep_args,
-							&argv[rep_args]);
+				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
+					err = -1;
+					goto out;
+				}
 			}
 
 			__argv = malloc((argc + 6) * sizeof(const char *));
-			if (!__argv)
-				die("malloc");
+			if (!__argv) {
+				pr_err("malloc failed\n");
+				err = -ENOMEM;
+				goto out;
+			}
 
 			__argv[j++] = "/bin/sh";
 			__argv[j++] = rec_script_path;
@@ -1277,8 +1287,12 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
 		close(live_pipe[1]);
 
 		__argv = malloc((argc + 4) * sizeof(const char *));
-		if (!__argv)
-			die("malloc");
+		if (!__argv) {
+			pr_err("malloc failed\n");
+			err = -ENOMEM;
+			goto out;
+		}
+
 		j = 0;
 		__argv[j++] = "/bin/sh";
 		__argv[j++] = rep_script_path;
@@ -1303,12 +1317,20 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
 
 		if (!rec_script_path)
 			system_wide = false;
-		else if (!system_wide)
-			system_wide = !have_cmd(argc - 1, &argv[1]);
+		else if (!system_wide) {
+			if (have_cmd(argc - 1, &argv[1]) != 0) {
+				err = -1;
+				goto out;
+			}
+		}
 
 		__argv = malloc((argc + 2) * sizeof(const char *));
-		if (!__argv)
-			die("malloc");
+		if (!__argv) {
+			pr_err("malloc failed\n");
+			err = -ENOMEM;
+			goto out;
+		}
+
 		__argv[j++] = "/bin/sh";
 		__argv[j++] = script_path;
 		if (system_wide)
@@ -1357,18 +1379,18 @@ int cmd_script(int argc, const char **argv, const char *prefix __used)
 		input = open(session->filename, O_RDONLY);	/* input_name */
 		if (input < 0) {
 			perror("failed to open file");
-			exit(-1);
+			return -1;
 		}
 
 		err = fstat(input, &perf_stat);
 		if (err < 0) {
 			perror("failed to stat file");
-			exit(-1);
+			return -1;
 		}
 
 		if (!perf_stat.st_size) {
 			fprintf(stderr, "zero-sized file, nothing to do!\n");
-			exit(0);
+			return 0;
 		}
 
 		scripting_ops = script_spec__lookup(generate_script_lang);

tools/perf/builtin-stat.c

@@ -428,7 +428,7 @@ static int run_perf_stat(int argc __used, const char **argv)
 
 	if (forks && (pipe(child_ready_pipe) < 0 || pipe(go_pipe) < 0)) {
 		perror("failed to create pipes");
-		exit(1);
+		return -1;
 	}
 
 	if (forks) {
@@ -510,7 +510,8 @@ static int run_perf_stat(int argc __used, const char **argv)
 			}
 			if (child_pid != -1)
 				kill(child_pid, SIGTERM);
-			die("Not all events could be opened.\n");
+
+			pr_err("Not all events could be opened.\n");
 			return -1;
 		}
 		counter->supported = true;
@@ -1189,7 +1190,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
 		output = fopen(output_name, mode);
 		if (!output) {
 			perror("failed to create output file");
-			exit(-1);
+			return -1;
 		}
 		clock_gettime(CLOCK_REALTIME, &tm);
 		fprintf(output, "# started on %s\n", ctime(&tm.tv_sec));

tools/perf/builtin-test.c

@@ -1092,6 +1092,116 @@ static int test__perf_pmu(void)
 	return perf_pmu__test();
 }
 
+static int perf_evsel__roundtrip_cache_name_test(void)
+{
+	char name[128];
+	int type, op, err = 0, ret = 0, i, idx;
+	struct perf_evsel *evsel;
+        struct perf_evlist *evlist = perf_evlist__new(NULL, NULL);
+
+        if (evlist == NULL)
+                return -ENOMEM;
+
+	for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
+		for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
+			/* skip invalid cache type */
+			if (!perf_evsel__is_cache_op_valid(type, op))
+				continue;
+
+			for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
+				__perf_evsel__hw_cache_type_op_res_name(type, op, i,
+									name, sizeof(name));
+				err = parse_events(evlist, name, 0);
+				if (err)
+					ret = err;
+			}
+		}
+	}
+
+	idx = 0;
+	evsel = perf_evlist__first(evlist);
+
+	for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
+		for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
+			/* skip invalid cache type */
+			if (!perf_evsel__is_cache_op_valid(type, op))
+				continue;
+
+			for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
+				__perf_evsel__hw_cache_type_op_res_name(type, op, i,
+									name, sizeof(name));
+				if (evsel->idx != idx)
+					continue;
+
+				++idx;
+
+				if (strcmp(perf_evsel__name(evsel), name)) {
+					pr_debug("%s != %s\n", perf_evsel__name(evsel), name);
+					ret = -1;
+				}
+
+				evsel = perf_evsel__next(evsel);
+			}
+		}
+	}
+
+	perf_evlist__delete(evlist);
+	return ret;
+}
+
+static int __perf_evsel__name_array_test(const char *names[], int nr_names)
+{
+	int i, err;
+	struct perf_evsel *evsel;
+        struct perf_evlist *evlist = perf_evlist__new(NULL, NULL);
+
+        if (evlist == NULL)
+                return -ENOMEM;
+
+	for (i = 0; i < nr_names; ++i) {
+		err = parse_events(evlist, names[i], 0);
+		if (err) {
+			pr_debug("failed to parse event '%s', err %d\n",
+				 names[i], err);
+			goto out_delete_evlist;
+		}
+	}
+
+	err = 0;
+	list_for_each_entry(evsel, &evlist->entries, node) {
+		if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) {
+			--err;
+			pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]);
+		}
+	}
+
+out_delete_evlist:
+	perf_evlist__delete(evlist);
+	return err;
+}
+
+#define perf_evsel__name_array_test(names) \
+	__perf_evsel__name_array_test(names, ARRAY_SIZE(names))
+
+static int perf_evsel__roundtrip_name_test(void)
+{
+	int err = 0, ret = 0;
+
+	err = perf_evsel__name_array_test(perf_evsel__hw_names);
+	if (err)
+		ret = err;
+
+	err = perf_evsel__name_array_test(perf_evsel__sw_names);
+	if (err)
+		ret = err;
+
+	err = perf_evsel__roundtrip_cache_name_test();
+	if (err)
+		ret = err;
+
+	return ret;
+}
+
 static struct test {
 	const char *desc;
 	int (*func)(void);
@@ -1134,6 +1244,10 @@ static struct test {
 		.desc = "Test dso data interface",
 		.func = dso__test_data,
 	},
+	{
+		.desc = "roundtrip evsel->name check",
+		.func = perf_evsel__roundtrip_name_test,
+	},
 	{
 		.func = NULL,
 	},

tools/perf/util/annotate.c

@@ -17,6 +17,7 @@
 #include <pthread.h>
 
 const char 	*disassembler_style;
+const char	*objdump_path;
 
 static struct ins *ins__find(const char *name);
 static int disasm_line__parse(char *line, char **namep, char **rawp);
@@ -820,9 +821,10 @@ int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
 		 dso, dso->long_name, sym, sym->name);
 
 	snprintf(command, sizeof(command),
-		 "objdump %s%s --start-address=0x%016" PRIx64
+		 "%s %s%s --start-address=0x%016" PRIx64
 		 " --stop-address=0x%016" PRIx64
 		 " -d %s %s -C %s|grep -v %s|expand",
+		 objdump_path ? objdump_path : "objdump",
 		 disassembler_style ? "-M " : "",
 		 disassembler_style ? disassembler_style : "",
 		 map__rip_2objdump(map, sym->start),

tools/perf/util/annotate.h

@@ -152,5 +152,6 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
 #endif
 
 extern const char	*disassembler_style;
+extern const char	*objdump_path;
 
 #endif	/* __PERF_ANNOTATE_H */

tools/perf/util/event.c

@@ -120,7 +120,9 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool,
 	if (!full) {
 		event->comm.tid = pid;
 
-		process(tool, event, &synth_sample, machine);
+		if (process(tool, event, &synth_sample, machine) != 0)
+			return -1;
+
 		goto out;
 	}
 
@@ -151,7 +153,10 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool,
 
 		event->comm.tid = pid;
 
-		process(tool, event, &synth_sample, machine);
+		if (process(tool, event, &synth_sample, machine) != 0) {
+			tgid = -1;
+			break;
+		}
 	}
 
 	closedir(tasks);
@@ -167,6 +172,7 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
 {
 	char filename[PATH_MAX];
 	FILE *fp;
+	int rc = 0;
 
 	snprintf(filename, sizeof(filename), "/proc/%d/maps", pid);
 
@@ -231,18 +237,22 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
 			event->mmap.pid = tgid;
 			event->mmap.tid = pid;
 
-			process(tool, event, &synth_sample, machine);
+			if (process(tool, event, &synth_sample, machine) != 0) {
+				rc = -1;
+				break;
+			}
 		}
 	}
 
 	fclose(fp);
-	return 0;
+	return rc;
 }
 
 int perf_event__synthesize_modules(struct perf_tool *tool,
 				   perf_event__handler_t process,
 				   struct machine *machine)
 {
+	int rc = 0;
 	struct rb_node *nd;
 	struct map_groups *kmaps = &machine->kmaps;
 	union perf_event *event = zalloc((sizeof(event->mmap) +
@@ -284,11 +294,14 @@ int perf_event__synthesize_modules(struct perf_tool *tool,
 
 		memcpy(event->mmap.filename, pos->dso->long_name,
 		       pos->dso->long_name_len + 1);
-		process(tool, event, &synth_sample, machine);
+		if (process(tool, event, &synth_sample, machine) != 0) {
+			rc = -1;
+			break;
+		}
 	}
 
 	free(event);
-	return 0;
+	return rc;
 }
 
 static int __event__synthesize_thread(union perf_event *comm_event,
@@ -392,12 +405,16 @@ int perf_event__synthesize_threads(struct perf_tool *tool,
 		if (*end) /* only interested in proper numerical dirents */
 			continue;
 
-		__event__synthesize_thread(comm_event, mmap_event, pid, 1,
-					   process, tool, machine);
+		if (__event__synthesize_thread(comm_event, mmap_event, pid, 1,
+					   process, tool, machine) != 0) {
+			err = -1;
+			goto out_closedir;
+		}
 	}
 
-	closedir(proc);
 	err = 0;
+out_closedir:
+	closedir(proc);
 out_free_mmap:
 	free(mmap_event);
 out_free_comm:

tools/perf/util/evlist.c

@@ -889,3 +889,16 @@ int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *even
 	struct perf_evsel *evsel = perf_evlist__first(evlist);
 	return perf_evsel__parse_sample(evsel, event, sample, swapped);
 }
+
+size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp)
+{
+	struct perf_evsel *evsel;
+	size_t printed = 0;
+
+	list_for_each_entry(evsel, &evlist->entries, node) {
+		printed += fprintf(fp, "%s%s", evsel->idx ? ", " : "",
+				   perf_evsel__name(evsel));
+	}
+
+	return printed + fprintf(fp, "\n");;
+}

tools/perf/util/evlist.h

@@ -143,4 +143,6 @@ static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
 {
 	return list_entry(evlist->entries.prev, struct perf_evsel, node);
 }
+
+size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp);
 #endif /* __PERF_EVLIST_H */

tools/perf/util/evsel.c

@@ -68,7 +68,7 @@ struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx)
 	return evsel;
 }
 
-static const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = {
+const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = {
 	"cycles",
 	"instructions",
 	"cache-references",
@@ -131,12 +131,12 @@ static int perf_evsel__hw_name(struct perf_evsel *evsel, char *bf, size_t size)
 	return r + perf_evsel__add_modifiers(evsel, bf + r, size - r);
 }
 
-static const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = {
+const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = {
 	"cpu-clock",
 	"task-clock",
 	"page-faults",
 	"context-switches",
-	"CPU-migrations",
+	"cpu-migrations",
 	"minor-faults",
 	"major-faults",
 	"alignment-faults",

tools/perf/util/evsel.h

@@ -97,8 +97,10 @@ extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
 				       [PERF_EVSEL__MAX_ALIASES];
 extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX]
 					  [PERF_EVSEL__MAX_ALIASES];
-const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
-				       [PERF_EVSEL__MAX_ALIASES];
+extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
+					      [PERF_EVSEL__MAX_ALIASES];
+extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
+extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
 int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
 					    char *bf, size_t size);
 const char *perf_evsel__name(struct perf_evsel *evsel);

tools/perf/util/header.c

@@ -610,11 +610,10 @@ static int write_event_desc(int fd, struct perf_header *h __used,
 			    struct perf_evlist *evlist)
 {
 	struct perf_evsel *evsel;
-	u32 nre = 0, nri, sz;
+	u32 nre, nri, sz;
 	int ret;
 
-	list_for_each_entry(evsel, &evlist->entries, node)
-		nre++;
+	nre = evlist->nr_entries;
 
 	/*
 	 * write number of events
@@ -1441,6 +1440,9 @@ static void print_pmu_mappings(struct perf_header *ph, int fd, FILE *fp)
 	if (ret != sizeof(pmu_num))
 		goto error;
 
+	if (ph->needs_swap)
+		pmu_num = bswap_32(pmu_num);
+
 	if (!pmu_num) {
 		fprintf(fp, "# pmu mappings: not available\n");
 		return;
@@ -1449,6 +1451,9 @@ static void print_pmu_mappings(struct perf_header *ph, int fd, FILE *fp)
 	while (pmu_num) {
 		if (read(fd, &type, sizeof(type)) != sizeof(type))
 			break;
+		if (ph->needs_swap)
+			type = bswap_32(type);
+
 		name = do_read_string(fd, ph);
 		if (!name)
 			break;
@@ -2290,33 +2295,39 @@ static int read_attr(int fd, struct perf_header *ph,
 	return ret <= 0 ? -1 : 0;
 }
 
-static int perf_evsel__set_tracepoint_name(struct perf_evsel *evsel,
-					   struct pevent *pevent)
+static int perf_evsel__prepare_tracepoint_event(struct perf_evsel *evsel,
+						struct pevent *pevent)
 {
-	struct event_format *event = pevent_find_event(pevent,
-						       evsel->attr.config);
+	struct event_format *event;
 	char bf[128];
 
+	/* already prepared */
+	if (evsel->tp_format)
+		return 0;
+
+	event = pevent_find_event(pevent, evsel->attr.config);
 	if (event == NULL)
 		return -1;
 
-	snprintf(bf, sizeof(bf), "%s:%s", event->system, event->name);
-	evsel->name = strdup(bf);
-	if (event->name == NULL)
-		return -1;
+	if (!evsel->name) {
+		snprintf(bf, sizeof(bf), "%s:%s", event->system, event->name);
+		evsel->name = strdup(bf);
+		if (evsel->name == NULL)
+			return -1;
+	}
 
 	evsel->tp_format = event;
 	return 0;
 }
 
-static int perf_evlist__set_tracepoint_names(struct perf_evlist *evlist,
-					     struct pevent *pevent)
+static int perf_evlist__prepare_tracepoint_events(struct perf_evlist *evlist,
+						  struct pevent *pevent)
 {
 	struct perf_evsel *pos;
 
 	list_for_each_entry(pos, &evlist->entries, node) {
 		if (pos->attr.type == PERF_TYPE_TRACEPOINT &&
-		    perf_evsel__set_tracepoint_name(pos, pevent))
+		    perf_evsel__prepare_tracepoint_event(pos, pevent))
 			return -1;
 	}
 
@@ -2404,7 +2415,8 @@ int perf_session__read_header(struct perf_session *session, int fd)
 
 	lseek(fd, header->data_offset, SEEK_SET);
 
-	if (perf_evlist__set_tracepoint_names(session->evlist, session->pevent))
+	if (perf_evlist__prepare_tracepoint_events(session->evlist,
+						   session->pevent))
 		goto out_delete_evlist;
 
 	header->frozen = 1;
@@ -2638,7 +2650,8 @@ int perf_event__process_tracing_data(union perf_event *event,
 	if (size_read + padding != size)
 		die("tracing data size mismatch");
 
-	perf_evlist__set_tracepoint_names(session->evlist, session->pevent);
+	perf_evlist__prepare_tracepoint_events(session->evlist,
+					       session->pevent);
 
 	return size_read + padding;
 }

tools/perf/util/intlist.c

@@ -52,9 +52,9 @@ int intlist__add(struct intlist *ilist, int i)
 	return rblist__add_node(&ilist->rblist, (void *)((long)i));
 }
 
-void intlist__remove(struct intlist *ilist __used, struct int_node *node)
+void intlist__remove(struct intlist *ilist, struct int_node *node)
 {
-	int_node__delete(node);
+	rblist__remove_node(&ilist->rblist, &node->rb_node);
 }
 
 struct int_node *intlist__find(struct intlist *ilist, int i)

tools/perf/util/parse-events.c

@@ -308,7 +308,7 @@ int parse_events_add_cache(struct list_head **list, int *idx,
 	for (i = 0; (i < 2) && (op_result[i]); i++) {
 		char *str = op_result[i];
 
-		snprintf(name + n, MAX_NAME_LEN - n, "-%s\n", str);
+		n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str);
 
 		if (cache_op == -1) {
 			cache_op = parse_aliases(str, perf_evsel__hw_cache_op,

tools/perf/util/scripting-engines/trace-event-perl.c

@@ -25,16 +25,16 @@
 #include <ctype.h>
 #include <errno.h>
 
-#include "../../perf.h"
 #include "../util.h"
+#include <EXTERN.h>
+#include <perl.h>
+
+#include "../../perf.h"
 #include "../thread.h"
 #include "../event.h"
 #include "../trace-event.h"
 #include "../evsel.h"
 
-#include <EXTERN.h>
-#include <perl.h>
-
 void boot_Perf__Trace__Context(pTHX_ CV *cv);
 void boot_DynaLoader(pTHX_ CV *cv);
 typedef PerlInterpreter * INTERP;

tools/perf/util/session.c

@@ -692,7 +692,7 @@ static int perf_session_deliver_event(struct perf_session *session,
 				      struct perf_tool *tool,
 				      u64 file_offset);
 
-static void flush_sample_queue(struct perf_session *s,
+static int flush_sample_queue(struct perf_session *s,
 			       struct perf_tool *tool)
 {
 	struct ordered_samples *os = &s->ordered_samples;
@@ -705,7 +705,7 @@ static void flush_sample_queue(struct perf_session *s,
 	int ret;
 
 	if (!tool->ordered_samples || !limit)
-		return;
+		return 0;
 
 	list_for_each_entry_safe(iter, tmp, head, list) {
 		if (iter->timestamp > limit)
@@ -715,9 +715,12 @@ static void flush_sample_queue(struct perf_session *s,
 						s->header.needs_swap);
 		if (ret)
 			pr_err("Can't parse sample, err = %d\n", ret);
-		else
-			perf_session_deliver_event(s, iter->event, &sample, tool,
-						   iter->file_offset);
+		else {
+			ret = perf_session_deliver_event(s, iter->event, &sample, tool,
+							 iter->file_offset);
+			if (ret)
+				return ret;
+		}
 
 		os->last_flush = iter->timestamp;
 		list_del(&iter->list);
@@ -737,6 +740,8 @@ static void flush_sample_queue(struct perf_session *s,
 	}
 
 	os->nr_samples = 0;
+
+	return 0;
 }
 
 /*
@@ -782,10 +787,11 @@ static int process_finished_round(struct perf_tool *tool,
 				  union perf_event *event __used,
 				  struct perf_session *session)
 {
-	flush_sample_queue(session, tool);
-	session->ordered_samples.next_flush = session->ordered_samples.max_timestamp;
+	int ret = flush_sample_queue(session, tool);
+	if (!ret)
+		session->ordered_samples.next_flush = session->ordered_samples.max_timestamp;
 
-	return 0;
+	return ret;
 }
 
 /* The queue is ordered by time */
@@ -1443,7 +1449,7 @@ int __perf_session__process_events(struct perf_session *session,
 	err = 0;
 	/* do the final flush for ordered samples */
 	session->ordered_samples.next_flush = ULLONG_MAX;
-	flush_sample_queue(session, tool);
+	err = flush_sample_queue(session, tool);
 out_err:
 	perf_session__warn_about_errors(session, tool);
 	perf_session_free_sample_buffers(session);

tools/perf/util/strlist.c

@@ -93,7 +93,7 @@ int strlist__load(struct strlist *self, const char *filename)
 
 void strlist__remove(struct strlist *slist, struct str_node *snode)
 {
-	str_node__delete(snode, slist->dupstr);
+	rblist__remove_node(&slist->rblist, &snode->rb_node);
 }
 
 struct str_node *strlist__find(struct strlist *slist, const char *entry)

tools/perf/util/target.c

@@ -117,8 +117,8 @@ int perf_target__strerror(struct perf_target *target, int errnum,
 
 		if (err != buf) {
 			size_t len = strlen(err);
-			char *c = mempcpy(buf, err, min(buflen - 1, len));
-			*c = '\0';
+			memcpy(buf, err, min(buflen - 1, len));
+			*(buf + min(buflen - 1, len)) = '\0';
 		}
 
 		return 0;

tools/perf/util/util.h

@@ -69,11 +69,6 @@
 #include <sys/poll.h>
 #include <sys/socket.h>
 #include <sys/ioctl.h>
-#include <sys/select.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <arpa/inet.h>
-#include <netdb.h>
 #include <inttypes.h>
 #include "../../../include/linux/magic.h"
 #include "types.h"