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

Fixes and improvements for perf/core:

- perf_target: abstraction for --uid, --pid, --tid, --cpu, --all-cpus handling,
  eliminating code duplicated in the tools, having constraints that apply to
  all of them, from Namhyung Kim

- Fixes for handling fallback to cpu-clock on PPC, from David Ahern

- Fix for processing events with unknown size, from Jiri Olsa

- Compilation fix on 32-bit, from Jiri Olsa

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

27 files changed, 583 insertions, 369 deletions

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index e98e14c88532..4734f41f801d 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -300,6 +300,7 @@ LIB_H += util/cpumap.h
 LIB_H += util/top.h
 LIB_H += $(ARCH_INCLUDE)
 LIB_H += util/cgroup.h
+LIB_H += util/target.h
 
 LIB_OBJS += $(OUTPUT)util/abspath.o
 LIB_OBJS += $(OUTPUT)util/alias.o
@@ -361,6 +362,7 @@ LIB_OBJS += $(OUTPUT)util/util.o
 LIB_OBJS += $(OUTPUT)util/xyarray.o
 LIB_OBJS += $(OUTPUT)util/cpumap.o
 LIB_OBJS += $(OUTPUT)util/cgroup.o
+LIB_OBJS += $(OUTPUT)util/target.o
 
 BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
 
@@ -481,6 +483,7 @@ else
 		LIB_OBJS += $(OUTPUT)ui/helpline.o
 		LIB_OBJS += $(OUTPUT)ui/progress.o
 		LIB_OBJS += $(OUTPUT)ui/util.o
+		LIB_OBJS += $(OUTPUT)ui/tui/setup.o
 		LIB_H += ui/browser.h
 		LIB_H += ui/browsers/map.h
 		LIB_H += ui/helpline.h
@@ -503,6 +506,11 @@ else
 		BASIC_CFLAGS += $(shell pkg-config --cflags gtk+-2.0)
 		EXTLIBS += $(shell pkg-config --libs gtk+-2.0)
 		LIB_OBJS += $(OUTPUT)ui/gtk/browser.o
+		LIB_OBJS += $(OUTPUT)ui/gtk/setup.o
+		# Make sure that it'd be included only once.
+		ifneq ($(findstring -DNO_NEWT_SUPPORT,$(BASIC_CFLAGS)),)
+			LIB_OBJS += $(OUTPUT)ui/setup.o
+		endif
 	endif
 endif
 
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 10b1f1f25ed7..d19058a7b84c 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -44,7 +44,6 @@ struct perf_record {
 	struct perf_evlist	*evlist;
 	struct perf_session	*session;
 	const char		*progname;
-	const char		*uid_str;
 	int			output;
 	unsigned int		page_size;
 	int			realtime_prio;
@@ -218,7 +217,7 @@ try_again:
 			if (err == EPERM || err == EACCES) {
 				ui__error_paranoid();
 				exit(EXIT_FAILURE);
-			} else if (err ==  ENODEV && opts->cpu_list) {
+			} else if (err ==  ENODEV && opts->target.cpu_list) {
 				die("No such device - did you specify"
 					" an out-of-range profile CPU?\n");
 			} else if (err == EINVAL) {
@@ -243,9 +242,13 @@ try_again:
 			/*
 			 * If it's cycles then fall back to hrtimer
 			 * based cpu-clock-tick sw counter, which
-			 * is always available even if no PMU support:
+			 * is always available even if no PMU support.
+			 *
+			 * PPC returns ENXIO until 2.6.37 (behavior changed
+			 * with commit b0a873e).
 			 */
-			if (err == ENOENT && attr->type == PERF_TYPE_HARDWARE
+			if ((err == ENOENT || err == ENXIO)
+					&& attr->type == PERF_TYPE_HARDWARE
 					&& attr->config == PERF_COUNT_HW_CPU_CYCLES) {
 
 				if (verbose)
@@ -253,6 +256,10 @@ try_again:
 						    "trying to fall back to cpu-clock-ticks\n");
 				attr->type = PERF_TYPE_SOFTWARE;
 				attr->config = PERF_COUNT_SW_CPU_CLOCK;
+				if (pos->name) {
+					free(pos->name);
+					pos->name = NULL;
+				}
 				goto try_again;
 			}
 
@@ -578,7 +585,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv)
 		perf_session__process_machines(session, tool,
 					       perf_event__synthesize_guest_os);
 
-	if (!opts->system_wide)
+	if (!opts->target.system_wide)
 		perf_event__synthesize_thread_map(tool, evsel_list->threads,
 						  process_synthesized_event,
 						  machine);
@@ -765,9 +772,9 @@ const struct option record_options[] = {
 		     parse_events_option),
 	OPT_CALLBACK(0, "filter", &record.evlist, "filter",
 		     "event filter", parse_filter),
-	OPT_STRING('p', "pid", &record.opts.target_pid, "pid",
+	OPT_STRING('p', "pid", &record.opts.target.pid, "pid",
 		    "record events on existing process id"),
-	OPT_STRING('t', "tid", &record.opts.target_tid, "tid",
+	OPT_STRING('t', "tid", &record.opts.target.tid, "tid",
 		    "record events on existing thread id"),
 	OPT_INTEGER('r', "realtime", &record.realtime_prio,
 		    "collect data with this RT SCHED_FIFO priority"),
@@ -775,11 +782,11 @@ const struct option record_options[] = {
 		    "collect data without buffering"),
 	OPT_BOOLEAN('R', "raw-samples", &record.opts.raw_samples,
 		    "collect raw sample records from all opened counters"),
-	OPT_BOOLEAN('a', "all-cpus", &record.opts.system_wide,
+	OPT_BOOLEAN('a', "all-cpus", &record.opts.target.system_wide,
 			    "system-wide collection from all CPUs"),
 	OPT_BOOLEAN('A', "append", &record.append_file,
 			    "append to the output file to do incremental profiling"),
-	OPT_STRING('C', "cpu", &record.opts.cpu_list, "cpu",
+	OPT_STRING('C', "cpu", &record.opts.target.cpu_list, "cpu",
 		    "list of cpus to monitor"),
 	OPT_BOOLEAN('f', "force", &record.force,
 			"overwrite existing data file (deprecated)"),
@@ -813,7 +820,8 @@ const struct option record_options[] = {
 	OPT_CALLBACK('G', "cgroup", &record.evlist, "name",
 		     "monitor event in cgroup name only",
 		     parse_cgroups),
-	OPT_STRING('u', "uid", &record.uid_str, "user", "user to profile"),
+	OPT_STRING('u', "uid", &record.opts.target.uid_str, "user",
+		   "user to profile"),
 
 	OPT_CALLBACK_NOOPT('b', "branch-any", &record.opts.branch_stack,
 		     "branch any", "sample any taken branches",
@@ -831,6 +839,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
 	struct perf_evsel *pos;
 	struct perf_evlist *evsel_list;
 	struct perf_record *rec = &record;
+	char errbuf[BUFSIZ];
 
 	perf_header__set_cmdline(argc, argv);
 
@@ -842,8 +851,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
 
 	argc = parse_options(argc, argv, record_options, record_usage,
 			    PARSE_OPT_STOP_AT_NON_OPTION);
-	if (!argc && !rec->opts.target_pid && !rec->opts.target_tid &&
-		!rec->opts.system_wide && !rec->opts.cpu_list && !rec->uid_str)
+	if (!argc && perf_target__none(&rec->opts.target))
 		usage_with_options(record_usage, record_options);
 
 	if (rec->force && rec->append_file) {
@@ -856,7 +864,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
 		rec->write_mode = WRITE_FORCE;
 	}
 
-	if (nr_cgroups && !rec->opts.system_wide) {
+	if (nr_cgroups && !rec->opts.target.system_wide) {
 		fprintf(stderr, "cgroup monitoring only available in"
 			" system-wide mode\n");
 		usage_with_options(record_usage, record_options);
@@ -883,17 +891,25 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
 		goto out_symbol_exit;
 	}
 
-	rec->opts.uid = parse_target_uid(rec->uid_str, rec->opts.target_tid,
-					 rec->opts.target_pid);
-	if (rec->uid_str != NULL && rec->opts.uid == UINT_MAX - 1)
-		goto out_free_fd;
+	err = perf_target__validate(&rec->opts.target);
+	if (err) {
+		perf_target__strerror(&rec->opts.target, err, errbuf, BUFSIZ);
+		ui__warning("%s", errbuf);
+	}
+
+	err = perf_target__parse_uid(&rec->opts.target);
+	if (err) {
+		int saved_errno = errno;
 
-	if (rec->opts.target_pid)
-		rec->opts.target_tid = rec->opts.target_pid;
+		perf_target__strerror(&rec->opts.target, err, errbuf, BUFSIZ);
+		ui__warning("%s", errbuf);
+
+		err = -saved_errno;
+		goto out_free_fd;
+	}
 
-	if (perf_evlist__create_maps(evsel_list, rec->opts.target_pid,
-				     rec->opts.target_tid, rec->opts.uid,
-				     rec->opts.cpu_list) < 0)
+	err = -ENOMEM;
+	if (perf_evlist__create_maps(evsel_list, &rec->opts.target) < 0)
 		usage_with_options(record_usage, record_options);
 
 	list_for_each_entry(pos, &evsel_list->entries, node) {
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index cec2b8cee80c..74776558ddfb 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -304,7 +304,7 @@ static size_t hists__fprintf_nr_sample_events(struct hists *self,
 	if (evname != NULL)
 		ret += fprintf(fp, " of event '%s'", evname);
 
-	ret += fprintf(fp, "\n# Event count (approx.): %lu", nr_events);
+	ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
 	return ret + fprintf(fp, "\n#\n");
 }
 
@@ -676,14 +676,10 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
 
 	}
 
-	if (strcmp(report.input_name, "-") != 0) {
-		if (report.use_gtk)
-			perf_gtk_setup_browser(argc, argv, true);
-		else
-			setup_browser(true);
-	} else {
+	if (strcmp(report.input_name, "-") != 0)
+		setup_browser(true);
+	else
 		use_browser = 0;
-	}
 
 	/*
 	 * Only in the newt browser we are doing integrated annotation,
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index dde9e17c018b..d0605689bad9 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -175,22 +175,21 @@ static struct perf_event_attr very_very_detailed_attrs[] = {
 
 static struct perf_evlist	*evsel_list;
 
-static bool			system_wide			=  false;
-static int			run_idx				=  0;
+static struct perf_target	target = {
+	.uid	= UINT_MAX,
+};
 
+static int			run_idx				=  0;
 static int			run_count			=  1;
 static bool			no_inherit			= false;
 static bool			scale				=  true;
 static bool			no_aggr				= false;
-static const char		*target_pid;
-static const char		*target_tid;
 static pid_t			child_pid			= -1;
 static bool			null_run			=  false;
 static int			detailed_run			=  0;
 static bool			sync_run			=  false;
 static bool			big_num				=  true;
 static int			big_num_opt			=  -1;
-static const char		*cpu_list;
 static const char		*csv_sep			= NULL;
 static bool			csv_output			= false;
 static bool			group				= false;
@@ -293,10 +292,10 @@ static int create_perf_stat_counter(struct perf_evsel *evsel,
 
 	attr->inherit = !no_inherit;
 
-	if (system_wide)
+	if (!perf_target__no_cpu(&target))
 		return perf_evsel__open_per_cpu(evsel, evsel_list->cpus,
 						group, group_fd);
-	if (!target_pid && !target_tid && (!group || evsel == first)) {
+	if (perf_target__no_task(&target) && (!group || evsel == first)) {
 		attr->disabled = 1;
 		attr->enable_on_exec = 1;
 	}
@@ -446,7 +445,7 @@ static int run_perf_stat(int argc __used, const char **argv)
 			exit(-1);
 		}
 
-		if (!target_tid && !target_pid && !system_wide)
+		if (perf_target__none(&target))
 			evsel_list->threads->map[0] = child_pid;
 
 		/*
@@ -463,8 +462,13 @@ static int run_perf_stat(int argc __used, const char **argv)
 
 	list_for_each_entry(counter, &evsel_list->entries, node) {
 		if (create_perf_stat_counter(counter, first) < 0) {
+			/*
+			 * PPC returns ENXIO for HW counters until 2.6.37
+			 * (behavior changed with commit b0a873e).
+			 */
 			if (errno == EINVAL || errno == ENOSYS ||
-			    errno == ENOENT || errno == EOPNOTSUPP) {
+			    errno == ENOENT || errno == EOPNOTSUPP ||
+			    errno == ENXIO) {
 				if (verbose)
 					ui__warning("%s event is not supported by the kernel.\n",
 						    event_name(counter));
@@ -476,7 +480,7 @@ static int run_perf_stat(int argc __used, const char **argv)
 				error("You may not have permission to collect %sstats.\n"
 				      "\t Consider tweaking"
 				      " /proc/sys/kernel/perf_event_paranoid or running as root.",
-				      system_wide ? "system-wide " : "");
+				      target.system_wide ? "system-wide " : "");
 			} else {
 				error("open_counter returned with %d (%s). "
 				      "/bin/dmesg may provide additional information.\n",
@@ -968,14 +972,14 @@ static void print_stat(int argc, const char **argv)
 	if (!csv_output) {
 		fprintf(output, "\n");
 		fprintf(output, " Performance counter stats for ");
-		if (!target_pid && !target_tid) {
+		if (perf_target__no_task(&target)) {
 			fprintf(output, "\'%s", argv[0]);
 			for (i = 1; i < argc; i++)
 				fprintf(output, " %s", argv[i]);
-		} else if (target_pid)
-			fprintf(output, "process id \'%s", target_pid);
+		} else if (target.pid)
+			fprintf(output, "process id \'%s", target.pid);
 		else
-			fprintf(output, "thread id \'%s", target_tid);
+			fprintf(output, "thread id \'%s", target.tid);
 
 		fprintf(output, "\'");
 		if (run_count > 1)
@@ -1049,11 +1053,11 @@ static const struct option options[] = {
 		     "event filter", parse_filter),
 	OPT_BOOLEAN('i', "no-inherit", &no_inherit,
 		    "child tasks do not inherit counters"),
-	OPT_STRING('p', "pid", &target_pid, "pid",
+	OPT_STRING('p', "pid", &target.pid, "pid",
 		   "stat events on existing process id"),
-	OPT_STRING('t', "tid", &target_tid, "tid",
+	OPT_STRING('t', "tid", &target.tid, "tid",
 		   "stat events on existing thread id"),
-	OPT_BOOLEAN('a', "all-cpus", &system_wide,
+	OPT_BOOLEAN('a', "all-cpus", &target.system_wide,
 		    "system-wide collection from all CPUs"),
 	OPT_BOOLEAN('g', "group", &group,
 		    "put the counters into a counter group"),
@@ -1072,7 +1076,7 @@ static const struct option options[] = {
 	OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, 
 			   "print large numbers with thousands\' separators",
 			   stat__set_big_num),
-	OPT_STRING('C', "cpu", &cpu_list, "cpu",
+	OPT_STRING('C', "cpu", &target.cpu_list, "cpu",
 		    "list of cpus to monitor in system-wide"),
 	OPT_BOOLEAN('A', "no-aggr", &no_aggr,
 		    "disable CPU count aggregation"),
@@ -1190,13 +1194,13 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
 	} else if (big_num_opt == 0) /* User passed --no-big-num */
 		big_num = false;
 
-	if (!argc && !target_pid && !target_tid)
+	if (!argc && perf_target__no_task(&target))
 		usage_with_options(stat_usage, options);
 	if (run_count <= 0)
 		usage_with_options(stat_usage, options);
 
 	/* no_aggr, cgroup are for system-wide only */
-	if ((no_aggr || nr_cgroups) && !system_wide) {
+	if ((no_aggr || nr_cgroups) && perf_target__no_cpu(&target)) {
 		fprintf(stderr, "both cgroup and no-aggregation "
 			"modes only available in system-wide mode\n");
 
@@ -1206,23 +1210,14 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
 	if (add_default_attributes())
 		goto out;
 
-	if (target_pid)
-		target_tid = target_pid;
+	perf_target__validate(&target);
 
-	evsel_list->threads = thread_map__new_str(target_pid,
-						  target_tid, UINT_MAX);
-	if (evsel_list->threads == NULL) {
-		pr_err("Problems finding threads of monitor\n");
-		usage_with_options(stat_usage, options);
-	}
-
-	if (system_wide)
-		evsel_list->cpus = cpu_map__new(cpu_list);
-	else
-		evsel_list->cpus = cpu_map__dummy_new();
+	if (perf_evlist__create_maps(evsel_list, &target) < 0) {
+		if (!perf_target__no_task(&target))
+			pr_err("Problems finding threads of monitor\n");
+		if (!perf_target__no_cpu(&target))
+			perror("failed to parse CPUs map");
 
-	if (evsel_list->cpus == NULL) {
-		perror("failed to parse CPUs map");
 		usage_with_options(stat_usage, options);
 		return -1;
 	}
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 1c5b9801ac61..9d9abbbe23be 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -1165,6 +1165,9 @@ realloc:
 static int test__PERF_RECORD(void)
 {
 	struct perf_record_opts opts = {
+		.target = {
+			.uid = UINT_MAX,
+		},
 		.no_delay   = true,
 		.freq	    = 10,
 		.mmap_pages = 256,
@@ -1207,8 +1210,7 @@ static int test__PERF_RECORD(void)
 	 * perf_evlist__prepare_workload we'll fill in the only thread
 	 * we're monitoring, the one forked there.
 	 */
-	err = perf_evlist__create_maps(evlist, opts.target_pid,
-				       opts.target_tid, UINT_MAX, opts.cpu_list);
+	err = perf_evlist__create_maps(evlist, &opts.target);
 	if (err < 0) {
 		pr_debug("Not enough memory to create thread/cpu maps\n");
 		goto out_delete_evlist;
@@ -1549,8 +1551,6 @@ static int __test__rdpmc(void)
 	sa.sa_sigaction = segfault_handler;
 	sigaction(SIGSEGV, &sa, NULL);
 
-	fprintf(stderr, "\n\n");
-
 	fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
 	if (fd < 0) {
 		die("Error: sys_perf_event_open() syscall returned "
@@ -1575,7 +1575,7 @@ static int __test__rdpmc(void)
 		loops *= 10;
 
 		delta = now - stamp;
-		fprintf(stderr, "%14d: %14Lu\n", n, (long long)delta);
+		pr_debug("%14d: %14Lu\n", n, (long long)delta);
 
 		delta_sum += delta;
 	}
@@ -1583,7 +1583,7 @@ static int __test__rdpmc(void)
 	munmap(addr, page_size);
 	close(fd);
 
-	fprintf(stderr, "   ");
+	pr_debug("   ");
 
 	if (!delta_sum)
 		return -1;
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 8ef59f8262bb..4eb6171e143b 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -588,7 +588,7 @@ static void *display_thread_tui(void *arg)
 	 * via --uid.
 	 */
 	list_for_each_entry(pos, &top->evlist->entries, node)
-		pos->hists.uid_filter_str = top->uid_str;
+		pos->hists.uid_filter_str = top->target.uid_str;
 
 	perf_evlist__tui_browse_hists(top->evlist, help,
 				      perf_top__sort_new_samples,
@@ -948,6 +948,10 @@ try_again:
 
 				attr->type = PERF_TYPE_SOFTWARE;
 				attr->config = PERF_COUNT_SW_CPU_CLOCK;
+				if (counter->name) {
+					free(counter->name);
+					counter->name = strdup(event_name(counter));
+				}
 				goto try_again;
 			}
 
@@ -1016,7 +1020,7 @@ static int __cmd_top(struct perf_top *top)
 	if (ret)
 		goto out_delete;
 
-	if (top->target_tid || top->uid != UINT_MAX)
+	if (!perf_target__no_task(&top->target))
 		perf_event__synthesize_thread_map(&top->tool, top->evlist->threads,
 						  perf_event__process,
 						  &top->session->host_machine);
@@ -1150,11 +1154,11 @@ static const char * const top_usage[] = {
 int cmd_top(int argc, const char **argv, const char *prefix __used)
 {
 	struct perf_evsel *pos;
-	int status = -ENOMEM;
+	int status;
+	char errbuf[BUFSIZ];
 	struct perf_top top = {
 		.count_filter	     = 5,
 		.delay_secs	     = 2,
-		.uid		     = UINT_MAX,
 		.freq		     = 1000, /* 1 KHz */
 		.mmap_pages	     = 128,
 		.sym_pcnt_filter     = 5,
@@ -1166,13 +1170,13 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
 		     parse_events_option),
 	OPT_INTEGER('c', "count", &top.default_interval,
 		    "event period to sample"),
-	OPT_STRING('p', "pid", &top.target_pid, "pid",
+	OPT_STRING('p', "pid", &top.target.pid, "pid",
 		    "profile events on existing process id"),
-	OPT_STRING('t', "tid", &top.target_tid, "tid",
+	OPT_STRING('t', "tid", &top.target.tid, "tid",
 		    "profile events on existing thread id"),
-	OPT_BOOLEAN('a', "all-cpus", &top.system_wide,
+	OPT_BOOLEAN('a', "all-cpus", &top.target.system_wide,
 			    "system-wide collection from all CPUs"),
-	OPT_STRING('C', "cpu", &top.cpu_list, "cpu",
+	OPT_STRING('C', "cpu", &top.target.cpu_list, "cpu",
 		    "list of cpus to monitor"),
 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
 		   "file", "vmlinux pathname"),
@@ -1227,7 +1231,7 @@ int cmd_top(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('u', "uid", &top.uid_str, "user", "user to profile"),
+	OPT_STRING('u', "uid", &top.target.uid_str, "user", "user to profile"),
 	OPT_END()
 	};
 
@@ -1253,22 +1257,27 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
 
 	setup_browser(false);
 
-	top.uid = parse_target_uid(top.uid_str, top.target_tid, top.target_pid);
-	if (top.uid_str != NULL && top.uid == UINT_MAX - 1)
-		goto out_delete_evlist;
+	status = perf_target__validate(&top.target);
+	if (status) {
+		perf_target__strerror(&top.target, status, errbuf, BUFSIZ);
+		ui__warning("%s", errbuf);
+	}
 
-	/* CPU and PID are mutually exclusive */
-	if (top.target_tid && top.cpu_list) {
-		printf("WARNING: PID switch overriding CPU\n");
-		sleep(1);
-		top.cpu_list = NULL;
+	status = perf_target__parse_uid(&top.target);
+	if (status) {
+		int saved_errno = errno;
+
+		perf_target__strerror(&top.target, status, errbuf, BUFSIZ);
+		ui__warning("%s", errbuf);
+
+		status = -saved_errno;
+		goto out_delete_evlist;
 	}
 
-	if (top.target_pid)
-		top.target_tid = top.target_pid;
+	if (perf_target__none(&top.target))
+		top.target.system_wide = true;
 
-	if (perf_evlist__create_maps(top.evlist, top.target_pid,
-				     top.target_tid, top.uid, top.cpu_list) < 0)
+	if (perf_evlist__create_maps(top.evlist, &top.target) < 0)
 		usage_with_options(top_usage, options);
 
 	if (!top.evlist->nr_entries &&
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 89e3355ab173..14f1034f14f9 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -207,10 +207,10 @@ extern const char perf_version_string[];
 
 void pthread__unblock_sigwinch(void);
 
+#include "util/target.h"
+
 struct perf_record_opts {
-	const char   *target_pid;
-	const char   *target_tid;
-	uid_t	     uid;
+	struct perf_target target;
 	bool	     call_graph;
 	bool	     group;
 	bool	     inherit_stat;
@@ -223,7 +223,6 @@ struct perf_record_opts {
 	bool	     sample_time;
 	bool	     sample_id_all_missing;
 	bool	     exclude_guest_missing;
-	bool	     system_wide;
 	bool	     period;
 	unsigned int freq;
 	unsigned int mmap_pages;
@@ -231,7 +230,6 @@ struct perf_record_opts {
 	int	     branch_stack;
 	u64	     default_interval;
 	u64	     user_interval;
-	const char   *cpu_list;
 };
 
 #endif
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index f171b4627cb1..06367c1df720 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -547,9 +547,9 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
 	struct map_symbol *ms = self->b.priv;
 	struct symbol *sym = ms->sym;
 	const char *help = "<-/ESC: Exit, TAB/shift+TAB: Cycle hot lines, "
-			   "H: Go to hottest line, ->/ENTER: Line action, "
-			   "O: Toggle offset view, "
-			   "S: Toggle source code view";
+			   "H: Hottest line, ->/ENTER: Line action, "
+			   "O: Offset view, "
+			   "S: Source view";
 	int key;
 
 	if (ui_browser__show(&self->b, sym->name, help) < 0)
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 466827e91b87..a372a4b02635 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -941,7 +941,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 			goto zoom_dso;
 		case 't':
 			goto zoom_thread;
-		case 's':
+		case '/':
 			if (ui_browser__input_window("Symbol to show",
 					"Please enter the name of symbol you want to see",
 					buf, "ENTER: OK, ESC: Cancel",
@@ -969,7 +969,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 					"E             Expand all callchains\n"
 					"d             Zoom into current DSO\n"
 					"t             Zoom into current Thread\n"
-					"s             Filter symbol by name");
+					"/             Filter symbol by name");
 			continue;
 		case K_ENTER:
 		case K_RIGHT:
diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c
index 258352a2356c..0656c381a89c 100644
--- a/tools/perf/ui/gtk/browser.c
+++ b/tools/perf/ui/gtk/browser.c
@@ -9,24 +9,13 @@
 
 #define MAX_COLUMNS			32
 
-void perf_gtk_setup_browser(int argc, const char *argv[],
-			    bool fallback_to_pager __used)
-{
-	gtk_init(&argc, (char ***)&argv);
-}
-
-void perf_gtk_exit_browser(bool wait_for_ok __used)
-{
-	gtk_main_quit();
-}
-
-static void perf_gtk_signal(int sig)
+static void perf_gtk__signal(int sig)
 {
 	psignal(sig, "perf");
 	gtk_main_quit();
 }
 
-static void perf_gtk_resize_window(GtkWidget *window)
+static void perf_gtk__resize_window(GtkWidget *window)
 {
 	GdkRectangle rect;
 	GdkScreen *screen;
@@ -46,7 +35,7 @@ static void perf_gtk_resize_window(GtkWidget *window)
 	gtk_window_resize(GTK_WINDOW(window), width, height);
 }
 
-static void perf_gtk_show_hists(GtkWidget *window, struct hists *hists)
+static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists)
 {
 	GType col_types[MAX_COLUMNS];
 	GtkCellRenderer *renderer;
@@ -142,11 +131,11 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
 	GtkWidget *notebook;
 	GtkWidget *window;
 
-	signal(SIGSEGV, perf_gtk_signal);
-	signal(SIGFPE,  perf_gtk_signal);
-	signal(SIGINT,  perf_gtk_signal);
-	signal(SIGQUIT, perf_gtk_signal);
-	signal(SIGTERM, perf_gtk_signal);
+	signal(SIGSEGV, perf_gtk__signal);
+	signal(SIGFPE,  perf_gtk__signal);
+	signal(SIGINT,  perf_gtk__signal);
+	signal(SIGQUIT, perf_gtk__signal);
+	signal(SIGTERM, perf_gtk__signal);
 
 	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 
@@ -168,7 +157,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
 							GTK_POLICY_AUTOMATIC,
 							GTK_POLICY_AUTOMATIC);
 
-		perf_gtk_show_hists(scrolled_window, hists);
+		perf_gtk__show_hists(scrolled_window, hists);
 
 		tab_label = gtk_label_new(evname);
 
@@ -179,7 +168,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
 
 	gtk_widget_show_all(window);
 
-	perf_gtk_resize_window(window);
+	perf_gtk__resize_window(window);
 
 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 
diff --git a/tools/perf/ui/gtk/setup.c b/tools/perf/ui/gtk/setup.c
new file mode 100644
index 000000000000..829529957766
--- /dev/null
+++ b/tools/perf/ui/gtk/setup.c
@@ -0,0 +1,12 @@
+#include "gtk.h"
+#include "../../util/cache.h"
+
+int perf_gtk__init(void)
+{
+	return gtk_init_check(NULL, NULL) ? 0 : -1;
+}
+
+void perf_gtk__exit(bool wait_for_ok __used)
+{
+	gtk_main_quit();
+}
diff --git a/tools/perf/ui/setup.c b/tools/perf/ui/setup.c
index 85a69faa09aa..9f5f888f73e3 100644
--- a/tools/perf/ui/setup.c
+++ b/tools/perf/ui/setup.c
@@ -1,155 +1,45 @@
-#include <newt.h>
-#include <signal.h>
-#include <stdbool.h>
-
 #include "../cache.h"
 #include "../debug.h"
-#include "browser.h"
-#include "helpline.h"
-#include "ui.h"
-#include "util.h"
-#include "libslang.h"
-#include "keysyms.h"
-
-pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER;
-
-static volatile int ui__need_resize;
-
-void ui__refresh_dimensions(bool force)
-{
-	if (force || ui__need_resize) {
-		ui__need_resize = 0;
-		pthread_mutex_lock(&ui__lock);
-		SLtt_get_screen_size();
-		SLsmg_reinit_smg();
-		pthread_mutex_unlock(&ui__lock);
-	}
-}
-
-static void ui__sigwinch(int sig __used)
-{
-	ui__need_resize = 1;
-}
-
-static void ui__setup_sigwinch(void)
-{
-	static bool done;
 
-	if (done)
-		return;
-
-	done = true;
-	pthread__unblock_sigwinch();
-	signal(SIGWINCH, ui__sigwinch);
-}
-
-int ui__getch(int delay_secs)
-{
-	struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL;
-	fd_set read_set;
-	int err, key;
-
-	ui__setup_sigwinch();
-
-	FD_ZERO(&read_set);
-	FD_SET(0, &read_set);
-
-	if (delay_secs) {
-		timeout.tv_sec = delay_secs;
-		timeout.tv_usec = 0;
-	}
-
-        err = select(1, &read_set, NULL, NULL, ptimeout);
-
-	if (err == 0)
-		return K_TIMER;
-
-	if (err == -1) {
-		if (errno == EINTR)
-			return K_RESIZE;
-		return K_ERROR;
-	}
-
-	key = SLang_getkey();
-	if (key != K_ESC)
-		return key;
-
-	FD_ZERO(&read_set);
-	FD_SET(0, &read_set);
-	timeout.tv_sec = 0;
-	timeout.tv_usec = 20;
-        err = select(1, &read_set, NULL, NULL, &timeout);
-	if (err == 0)
-		return K_ESC;
-
-	SLang_ungetkey(key);
-	return SLkp_getkey();
-}
-
-static void newt_suspend(void *d __used)
-{
-	newtSuspend();
-	raise(SIGTSTP);
-	newtResume();
-}
-
-static int ui__init(void)
-{
-	int err = SLkp_init();
-
-	if (err < 0)
-		goto out;
-
-	SLkp_define_keysym((char *)"^(kB)",