Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "Misc fixes on the kernel and tooling side - nothing in particular
  stands out"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  perf/core: Fix the perf_cpu_time_max_percent check
  perf/core: Fix perf_event_enable_on_exec() timekeeping (again)
  perf/core: Remove confusing comment and move put_ctx()
  perf record: Honor --quiet option properly
  perf annotate: Add -q/--quiet option
  perf diff: Add -q/--quiet option
  perf report: Add -q/--quiet option
  perf utils: Check verbose flag properly
  perf utils: Add perf_quiet_option()
  perf record: Add -a as default target
  perf stat: Add -a as default target
  perf tools: Fail on using multiple bits long terms without value
  perf tools: Move new_term arguments into struct parse_events_term template
  perf build: Add special fixdep cleaning rule
  perf tools: Replace _SC_NPROCESSORS_CONF with max_present_cpu in cpu_topology_map
  perf header: Make build_cpu_topology skip offline/absent CPUs
  perf cpumap: Add cpu__max_present_cpu()
  perf session: Fix DEBUG=1 build with clang
  tools lib traceevent: It's preempt not prempt
  perf python: Filter out -specs=/a/b/c from the python binding cc options
  ...

20 files changed, 150 insertions, 73 deletions

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 06cc04e5806a..273f21fa32b5 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1768,7 +1768,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map,
 	printf("%-*.*s----\n",
 	       graph_dotted_len, graph_dotted_len, graph_dotted_line);
 
-	if (verbose)
+	if (verbose > 0)
 		symbol__annotate_hits(sym, evsel);
 
 	list_for_each_entry(pos, &notes->src->source, node) {
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 2c0b52264a46..8c7504939113 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -9,6 +9,7 @@
 #include "asm/bug.h"
 
 static int max_cpu_num;
+static int max_present_cpu_num;
 static int max_node_num;
 static int *cpunode_map;
 
@@ -442,6 +443,7 @@ static void set_max_cpu_num(void)
 
 	/* set up default */
 	max_cpu_num = 4096;
+	max_present_cpu_num = 4096;
 
 	mnt = sysfs__mountpoint();
 	if (!mnt)
@@ -455,6 +457,17 @@ static void set_max_cpu_num(void)
 	}
 
 	ret = get_max_num(path, &max_cpu_num);
+	if (ret)
+		goto out;
+
+	/* get the highest present cpu number for a sparse allocation */
+	ret = snprintf(path, PATH_MAX, "%s/devices/system/cpu/present", mnt);
+	if (ret == PATH_MAX) {
+		pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX);
+		goto out;
+	}
+
+	ret = get_max_num(path, &max_present_cpu_num);
 
 out:
 	if (ret)
@@ -505,6 +518,15 @@ int cpu__max_cpu(void)
 	return max_cpu_num;
 }
 
+int cpu__max_present_cpu(void)
+{
+	if (unlikely(!max_present_cpu_num))
+		set_max_cpu_num();
+
+	return max_present_cpu_num;
+}
+
+
 int cpu__get_node(int cpu)
 {
 	if (unlikely(cpunode_map == NULL)) {
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index 06bd689f5989..1a0549af8f5c 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h
@@ -62,6 +62,7 @@ int cpu__setup_cpunode_map(void);
 
 int cpu__max_node(void);
 int cpu__max_cpu(void);
+int cpu__max_present_cpu(void);
 int cpu__get_node(int cpu);
 
 int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
index c1838b643108..03eb81f30d0d 100644
--- a/tools/perf/util/debug.c
+++ b/tools/perf/util/debug.c
@@ -203,11 +203,28 @@ int perf_debug_option(const char *str)
 		v = (v < 0) || (v > 10) ? 0 : v;
 	}
 
+	if (quiet)
+		v = -1;
+
 	*var->ptr = v;
 	free(s);
 	return 0;
 }
 
+int perf_quiet_option(void)
+{
+	struct debug_variable *var = &debug_variables[0];
+
+	/* disable all debug messages */
+	while (var->name) {
+		*var->ptr = -1;
+		var++;
+	}
+
+	quiet = true;
+	return 0;
+}
+
 #define DEBUG_WRAPPER(__n, __l)				\
 static int pr_ ## __n ## _wrapper(const char *fmt, ...)	\
 {							\
diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h
index d242adc3d5a2..98832f5531d3 100644
--- a/tools/perf/util/debug.h
+++ b/tools/perf/util/debug.h
@@ -54,5 +54,6 @@ int veprintf(int level, int var, const char *fmt, va_list args);
 
 int perf_debug_option(const char *str);
 void perf_debug_setup(void);
+int perf_quiet_option(void);
 
 #endif	/* __PERF_DEBUG_H */
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 3abe3373ce90..d38b62a700ca 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -1058,7 +1058,7 @@ int dso__name_len(const struct dso *dso)
 {
 	if (!dso)
 		return strlen("[unknown]");
-	if (verbose)
+	if (verbose > 0)
 		return dso->long_name_len;
 
 	return dso->short_name_len;
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index bb964e86b09d..075fc77286bf 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -66,7 +66,7 @@ int perf_env__read_cpu_topology_map(struct perf_env *env)
 		return 0;
 
 	if (env->nr_cpus_avail == 0)
-		env->nr_cpus_avail = sysconf(_SC_NPROCESSORS_CONF);
+		env->nr_cpus_avail = cpu__max_present_cpu();
 
 	nr_cpus = env->nr_cpus_avail;
 	if (nr_cpus == -1)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 3d12c16e5103..05714d548584 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -295,11 +295,7 @@ static int write_nrcpus(int fd, struct perf_header *h __maybe_unused,
 	u32 nrc, nra;
 	int ret;
 
-	nr = sysconf(_SC_NPROCESSORS_CONF);
-	if (nr < 0)
-		return -1;
-
-	nrc = (u32)(nr & UINT_MAX);
+	nrc = cpu__max_present_cpu();
 
 	nr = sysconf(_SC_NPROCESSORS_ONLN);
 	if (nr < 0)
@@ -505,24 +501,29 @@ static void free_cpu_topo(struct cpu_topo *tp)
 
 static struct cpu_topo *build_cpu_topology(void)
 {
-	struct cpu_topo *tp;
+	struct cpu_topo *tp = NULL;
 	void *addr;
 	u32 nr, i;
 	size_t sz;
 	long ncpus;
 	int ret = -1;
+	struct cpu_map *map;
 
-	ncpus = sysconf(_SC_NPROCESSORS_CONF);
-	if (ncpus < 0)
+	ncpus = cpu__max_present_cpu();
+
+	/* build online CPU map */
+	map = cpu_map__new(NULL);
+	if (map == NULL) {
+		pr_debug("failed to get system cpumap\n");
 		return NULL;
+	}
 
 	nr = (u32)(ncpus & UINT_MAX);
 
 	sz = nr * sizeof(char *);
-
 	addr = calloc(1, sizeof(*tp) + 2 * sz);
 	if (!addr)
-		return NULL;
+		goto out_free;
 
 	tp = addr;
 	tp->cpu_nr = nr;
@@ -532,10 +533,16 @@ static struct cpu_topo *build_cpu_topology(void)
 	tp->thread_siblings = addr;
 
 	for (i = 0; i < nr; i++) {
+		if (!cpu_map__has(map, i))
+			continue;
+
 		ret = build_cpu_topo(tp, i);
 		if (ret < 0)
 			break;
 	}
+
+out_free:
+	cpu_map__put(map);
 	if (ret) {
 		free_cpu_topo(tp);
 		tp = NULL;
@@ -1126,7 +1133,7 @@ static void print_cpu_topology(struct perf_header *ph, int fd __maybe_unused,
 {
 	int nr, i;
 	char *str;
-	int cpu_nr = ph->env.nr_cpus_online;
+	int cpu_nr = ph->env.nr_cpus_avail;
 
 	nr = ph->env.nr_sibling_cores;
 	str = ph->env.sibling_cores;
@@ -1781,7 +1788,7 @@ static int process_cpu_topology(struct perf_file_section *section,
 	u32 nr, i;
 	char *str;
 	struct strbuf sb;
-	int cpu_nr = ph->env.nr_cpus_online;
+	int cpu_nr = ph->env.nr_cpus_avail;
 	u64 size = 0;
 
 	ph->env.cpu = calloc(cpu_nr, sizeof(*ph->env.cpu));
@@ -1862,7 +1869,7 @@ static int process_cpu_topology(struct perf_file_section *section,
 		if (ph->needs_swap)
 			nr = bswap_32(nr);
 
-		if (nr > (u32)cpu_nr) {
+		if (nr != (u32)-1 && nr > (u32)cpu_nr) {
 			pr_debug("socket_id number is too big."
 				 "You may need to upgrade the perf tool.\n");
 			goto free_cpu;
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 32c6a939e4cc..eaf72a938fb4 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -69,7 +69,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 	 */
 	if (h->ms.sym) {
 		symlen = h->ms.sym->namelen + 4;
-		if (verbose)
+		if (verbose > 0)
 			symlen += BITS_PER_LONG / 4 + 2 + 3;
 		hists__new_col_len(hists, HISTC_SYMBOL, symlen);
 	} else {
@@ -93,7 +93,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 	if (h->branch_info) {
 		if (h->branch_info->from.sym) {
 			symlen = (int)h->branch_info->from.sym->namelen + 4;
-			if (verbose)
+			if (verbose > 0)
 				symlen += BITS_PER_LONG / 4 + 2 + 3;
 			hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen);
 
@@ -107,7 +107,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 
 		if (h->branch_info->to.sym) {
 			symlen = (int)h->branch_info->to.sym->namelen + 4;
-			if (verbose)
+			if (verbose > 0)
 				symlen += BITS_PER_LONG / 4 + 2 + 3;
 			hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen);
 
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 281e44af31e2..67a8aebc67ab 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2318,24 +2318,20 @@ int parse_events__is_hardcoded_term(struct parse_events_term *term)
 	return term->type_term != PARSE_EVENTS__TERM_TYPE_USER;
 }
 
-static int new_term(struct parse_events_term **_term, int type_val,
-		    int type_term, char *config,
-		    char *str, u64 num, int err_term, int err_val)
+static int new_term(struct parse_events_term **_term,
+		    struct parse_events_term *temp,
+		    char *str, u64 num)
 {
 	struct parse_events_term *term;
 
-	term = zalloc(sizeof(*term));
+	term = malloc(sizeof(*term));
 	if (!term)
 		return -ENOMEM;
 
+	*term = *temp;
 	INIT_LIST_HEAD(&term->list);
-	term->type_val  = type_val;
-	term->type_term = type_term;
-	term->config = config;
-	term->err_term = err_term;
-	term->err_val  = err_val;
 
-	switch (type_val) {
+	switch (term->type_val) {
 	case PARSE_EVENTS__TERM_TYPE_NUM:
 		term->val.num = num;
 		break;
@@ -2353,15 +2349,22 @@ static int new_term(struct parse_events_term **_term, int type_val,
 
 int parse_events_term__num(struct parse_events_term **term,
 			   int type_term, char *config, u64 num,
+			   bool no_value,
 			   void *loc_term_, void *loc_val_)
 {
 	YYLTYPE *loc_term = loc_term_;
 	YYLTYPE *loc_val = loc_val_;
 
-	return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term,
-			config, NULL, num,
-			loc_term ? loc_term->first_column : 0,
-			loc_val ? loc_val->first_column : 0);
+	struct parse_events_term temp = {
+		.type_val  = PARSE_EVENTS__TERM_TYPE_NUM,
+		.type_term = type_term,
+		.config    = config,
+		.no_value  = no_value,
+		.err_term  = loc_term ? loc_term->first_column : 0,
+		.err_val   = loc_val  ? loc_val->first_column  : 0,
+	};
+
+	return new_term(term, &temp, NULL, num);
 }
 
 int parse_events_term__str(struct parse_events_term **term,
@@ -2371,37 +2374,45 @@ int parse_events_term__str(struct parse_events_term **term,
 	YYLTYPE *loc_term = loc_term_;
 	YYLTYPE *loc_val = loc_val_;
 
-	return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term,
-			config, str, 0,
-			loc_term ? loc_term->first_column : 0,
-			loc_val ? loc_val->first_column : 0);
+	struct parse_events_term temp = {
+		.type_val  = PARSE_EVENTS__TERM_TYPE_STR,
+		.type_term = type_term,
+		.config    = config,
+		.err_term  = loc_term ? loc_term->first_column : 0,
+		.err_val   = loc_val  ? loc_val->first_column  : 0,
+	};
+
+	return new_term(term, &temp, str, 0);
 }
 
 int parse_events_term__sym_hw(struct parse_events_term **term,
 			      char *config, unsigned idx)
 {
 	struct event_symbol *sym;
+	struct parse_events_term temp = {
+		.type_val  = PARSE_EVENTS__TERM_TYPE_STR,
+		.type_term = PARSE_EVENTS__TERM_TYPE_USER,
+		.config    = config ?: (char *) "event",
+	};
 
 	BUG_ON(idx >= PERF_COUNT_HW_MAX);
 	sym = &event_symbols_hw[idx];
 
-	if (config)
-		return new_term(term, PARSE_EVENTS__TERM_TYPE_STR,
-				PARSE_EVENTS__TERM_TYPE_USER, config,
-				(char *) sym->symbol, 0, 0, 0);
-	else
-		return new_term(term, PARSE_EVENTS__TERM_TYPE_STR,
-				PARSE_EVENTS__TERM_TYPE_USER,
-				(char *) "event", (char *) sym->symbol,
-				0, 0, 0);
+	return new_term(term, &temp, (char *) sym->symbol, 0);
 }
 
 int parse_events_term__clone(struct parse_events_term **new,
 			     struct parse_events_term *term)
 {
-	return new_term(new, term->type_val, term->type_term, term->config,
-			term->val.str, term->val.num,
-			term->err_term, term->err_val);
+	struct parse_events_term temp = {
+		.type_val  = term->type_val,
+		.type_term = term->type_term,
+		.config    = term->config,
+		.err_term  = term->err_term,
+		.err_val   = term->err_val,
+	};
+
+	return new_term(new, &temp, term->val.str, term->val.num);
 }
 
 void parse_events_terms__purge(struct list_head *terms)
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index da246a3ddb69..1af6a267c21b 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -94,6 +94,7 @@ struct parse_events_term {
 	int type_term;
 	struct list_head list;
 	bool used;
+	bool no_value;
 
 	/* error string indexes for within parsed string */
 	int err_term;
@@ -122,6 +123,7 @@ void parse_events__shrink_config_terms(void);
 int parse_events__is_hardcoded_term(struct parse_events_term *term);
 int parse_events_term__num(struct parse_events_term **term,
 			   int type_term, char *config, u64 num,
+			   bool novalue,
 			   void *loc_term, void *loc_val);
 int parse_events_term__str(struct parse_events_term **term,
 			   int type_term, char *config, char *str,
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index a14b47ab3879..30f018ea1370 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -252,7 +252,7 @@ PE_KERNEL_PMU_EVENT sep_dc
 			if (!strcasecmp(alias->name, $1)) {
 				ALLOC_LIST(head);
 				ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
-					$1, 1, &@1, NULL));
+					$1, 1, false, &@1, NULL));
 				list_add_tail(&term->list, head);
 
 				if (!parse_events_add_pmu(data, list,
@@ -282,7 +282,7 @@ PE_PMU_EVENT_PRE '-' PE_PMU_EVENT_SUF sep_dc
 
 	ALLOC_LIST(head);
 	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
-					&pmu_name, 1, &@1, NULL));
+					&pmu_name, 1, false, &@1, NULL));
 	list_add_tail(&term->list, head);
 
 	ALLOC_LIST(list);
@@ -548,7 +548,7 @@ PE_NAME '=' PE_VALUE
 	struct parse_events_term *term;
 
 	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
-					$1, $3, &@1, &@3));
+					$1, $3, false, &@1, &@3));
 	$$ = term;
 }
 |
@@ -566,7 +566,7 @@ PE_NAME
 	struct parse_events_term *term;
 
 	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
-					$1, 1, &@1, NULL));
+					$1, 1, true, &@1, NULL));
 	$$ = term;
 }
 |
@@ -591,7 +591,7 @@ PE_TERM '=' PE_VALUE
 {
 	struct parse_events_term *term;
 
-	ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, &@1, &@3));
+	ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, $3, false, &@1, &@3));
 	$$ = term;
 }
 |
@@ -599,7 +599,7 @@ PE_TERM
 {
 	struct parse_events_term *term;
 
-	ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, &@1, NULL));
+	ABORT_ON(parse_events_term__num(&term, (int)$1, NULL, 1, true, &@1, NULL));
 	$$ = term;
 }
 |
@@ -620,7 +620,7 @@ PE_NAME array '=' PE_VALUE
 	struct parse_events_term *term;
 
 	ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_USER,
-					$1, $4, &@1, &@4));
+					$1, $4, false, &@1, &@4));
 	term->array = $2;
 	$$ = term;
 }
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 49bfee0e3d9e..12f84dd2ac5d 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -745,7 +745,7 @@ static int pmu_resolve_param_term(struct parse_events_term *term,
 		}
 	}
 
-	if (verbose)
+	if (verbose > 0)
 		printf("Required parameter '%s' not specified\n", term->config);
 
 	return -1;
@@ -803,7 +803,7 @@ static int pmu_config_term(struct list_head *formats,
 
 	format = pmu_find_format(formats, term->config);
 	if (!format) {
-		if (verbose)
+		if (verbose > 0)
 			printf("Invalid event/parameter '%s'\n", term->config);
 		if (err) {
 			char *pmu_term = pmu_formats_string(formats);
@@ -834,11 +834,20 @@ static int pmu_config_term(struct list_head *formats,
 	 * Either directly use a numeric term, or try to translate string terms
 	 * using event parameters.
 	 */
-	if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM)
+	if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM) {
+		if (term->no_value &&
+		    bitmap_weight(format->bits, PERF_PMU_FORMAT_BITS) > 1) {
+			if (err) {
+				err->idx = term->err_val;
+				err->str = strdup("no value assigned for term");
+			}
+			return -EINVAL;
+		}
+
 		val = term->val.num;
-	else if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR) {
+	} else if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR) {
 		if (strcmp(term->val.str, "?")) {
-			if (verbose) {
+			if (verbose > 0) {
 				pr_info("Invalid sysfs entry %s=%s\n",
 						term->config, term->val.str);
 			}
@@ -1223,7 +1232,7 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag,
 			printf("%*s", 8, "[");
 			wordwrap(aliases[j].desc, 8, columns, 0);
 			printf("]\n");
-			if (verbose)
+			if (verbose > 0)
 				printf("%*s%s/%s/\n", 8, "", aliases[j].pmu, aliases[j].str);
 		} else
 			printf("  %-50s [Kernel PMU event]\n", aliases[j].name);
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 35f5b7b7715c..28fb62c32678 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -594,7 +594,7 @@ static int find_perf_probe_point_from_dwarf(struct probe_trace_point *tp,
 	pr_debug("try to find information at %" PRIx64 " in %s\n", addr,
 		 tp->module ? : "kernel");
 
-	dinfo = debuginfo_cache__open(tp->module, verbose == 0);
+	dinfo = debuginfo_cache__open(tp->module, verbose <= 0);
 	if (dinfo)
 		ret = debuginfo__find_probe_point(dinfo,
 						 (unsigned long)addr, pp);
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 581e0efd6356..783326cfbaa6 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -369,10 +369,10 @@ static PyObject *python_process_callchain(struct perf_sample *sample,
 		if (node->map) {
 			struct map *map = node->map;
 			const char *dsoname = "[unknown]";
-			if (map && map->dso && (map->dso->name || map->dso->long_name)) {
+			if (map && map->dso) {
 				if (symbol_conf.show_kernel_path && map->dso->long_name)
 					dsoname = map->dso->long_name;
-				else if (map->dso->name)
+				else
 					dsoname = map->dso->name;
 			}
 			pydict_set_item_string_decref(pyelem, "dso",
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 4cdbc8f5f14d..1dd617d116b5 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -932,7 +932,7 @@ static void branch_stack__printf(struct perf_sample *sample)
 
 		printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 " %hu cycles %s%s%s%s %x\n",
 			i, e->from, e->to,
-			e->flags.cycles,
+			(unsigned short)e->flags.cycles,
 			e->flags.mispred ? "M" : " ",
 			e->flags.predicted ? "P" : " ",
 			e->flags.abort ? "A" : " ",
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index c8680984d2d6..af415febbc46 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -1,8 +1,15 @@
 #!/usr/bin/python2
 
-from distutils.core import setup, Extension
 from os import getenv
 
+cc = getenv("CC")
+if cc == "clang":
+    from _sysconfigdata import build_time_vars
+    from re import sub
+    build_time_vars["CFLAGS"] = sub("-specs=[^ ]+", "", build_time_vars["CFLAGS"])
+
+from distutils.core import setup, Extension
+
 from distutils.command.build_ext   import build_ext   as _build_ext
 from distutils.command.install_lib import install_lib as _install_lib
 
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index df622f4e301e..0ff622288d24 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -151,7 +151,7 @@ static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
 	if (!dso_l || !dso_r)
 		return cmp_null(dso_r, dso_l);
 
-	if (verbose) {
+	if (verbose > 0) {
 		dso_name_l = dso_l->long_name;
 		dso_name_r = dso_r->long_name;
 	} else {
@@ -172,8 +172,8 @@ static int _hist_entry__dso_snprintf(struct map *map, char *bf,
 				     size_t size, unsigned int width)
 {
 	if (map && map->dso) {
-		const char *dso_name = !verbose ? map->dso->short_name :
-			map->dso->long_name;
+		const char *dso_name = verbose > 0 ? map->dso->long_name :
+			map->dso->short_name;
 		return repsep_snprintf(bf, size, "%-*.*s", width, width, dso_name);
 	}
 
@@ -261,7 +261,7 @@ static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
 {
 	size_t ret = 0;
 
-	if (verbose) {
+	if (verbose > 0) {
 		char o = map ? dso__symtab_origin(map->dso) : '!';
 		ret += repsep_snprintf(bf, size, "%-#*llx %c ",
 				       BITS_PER_LONG / 4 + 2, ip, o);
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 39345c2ddfc2..0d51334a9b46 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -344,7 +344,7 @@ int perf_stat_process_counter(struct perf_stat_config *config,
 	for (i = 0; i < 3; i++)
 		update_stats(&ps->res_stats[i], count[i]);
 
-	if (verbose) {
+	if (verbose > 0) {
 		fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
 			perf_evsel__name(counter), count[0], count[1], count[2]);
 	}
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index adbc6c02c3aa..4e59ddeb4eda 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -213,7 +213,7 @@ static bool want_demangle(bool is_kernel_sym)
 
 static char *demangle_sym(struct dso *dso, int kmodule, const char *elf_name)
 {
-	int demangle_flags = verbose ? (DMGL_PARAMS | DMGL_ANSI) : DMGL_NO_OPTS;
+	int demangle_flags = verbose > 0 ? (DMGL_PARAMS | DMGL_ANSI) : DMGL_NO_OPTS;
 	char *demangled = NULL;
 
 	/*