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
  ...

55 files changed, 260 insertions, 137 deletions

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 5b4e0b98f4eb..1031bdf9f012 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -455,7 +455,7 @@ int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write,
                                 void __user *buffer, size_t *lenp,
                                 loff_t *ppos)
 {
-        int ret = proc_dointvec(table, write, buffer, lenp, ppos);
+        int ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
 
         if (ret || !write)
                 return ret;
@@ -3522,6 +3522,8 @@ static void perf_event_enable_on_exec(int ctxn)
         if (enabled) {
                 clone_ctx = unclone_ctx(ctx);
                 ctx_resched(cpuctx, ctx, event_type);
+        } else {
+                ctx_sched_in(ctx, cpuctx, EVENT_TIME, current);
         }
         perf_ctx_unlock(cpuctx, ctx);
 
@@ -9955,6 +9957,7 @@ SYSCALL_DEFINE5(perf_event_open,
                  * of swizzling perf_event::ctx.
                  */
                 perf_remove_from_context(group_leader, 0);
+                put_ctx(gctx);
 
                 list_for_each_entry(sibling, &group_leader->sibling_list,
                                     group_entry) {
@@ -9993,13 +9996,6 @@ SYSCALL_DEFINE5(perf_event_open,
                 perf_event__state_init(group_leader);
                 perf_install_in_context(ctx, group_leader, group_leader->cpu);
                 get_ctx(ctx);
-
-                /*
-                 * Now that all events are installed in @ctx, nothing
-                 * references @gctx anymore, so drop the last reference we have
-                 * on it.
-                 */
-                put_ctx(gctx);
         }
 
         /*
diff --git a/tools/build/Makefile b/tools/build/Makefile
index aaf7ed329a45..477f00eda591 100644
--- a/tools/build/Makefile
+++ b/tools/build/Makefile
@@ -35,8 +35,8 @@ all: $(OUTPUT)fixdep
 
 clean:
         $(call QUIET_CLEAN, fixdep)
-        $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
-        $(Q)rm -f fixdep
+        $(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
+        $(Q)rm -f $(OUTPUT)fixdep
 
 $(OUTPUT)fixdep-in.o: FORCE
         $(Q)$(MAKE) $(build)=fixdep
diff --git a/tools/build/Makefile.include b/tools/build/Makefile.include
index ad22e4e7bc59..d360f39a445b 100644
--- a/tools/build/Makefile.include
+++ b/tools/build/Makefile.include
@@ -3,4 +3,7 @@ build := -f $(srctree)/tools/build/Makefile.build dir=. obj
 fixdep:
         $(Q)$(MAKE) -C $(srctree)/tools/build CFLAGS= LDFLAGS= $(OUTPUT)fixdep
 
+fixdep-clean:
+        $(Q)$(MAKE) -C $(srctree)/tools/build clean
+
 .PHONY: fixdep
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index f2ea78021450..7ce724fc0544 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -5225,13 +5225,13 @@ int pevent_data_pid(struct pevent *pevent, struct pevent_record *rec)
 }
 
 /**
- * pevent_data_prempt_count - parse the preempt count from the record
+ * pevent_data_preempt_count - parse the preempt count from the record
  * @pevent: a handle to the pevent
  * @rec: the record to parse
  *
  * This returns the preempt count from a record.
  */
-int pevent_data_prempt_count(struct pevent *pevent, struct pevent_record *rec)
+int pevent_data_preempt_count(struct pevent *pevent, struct pevent_record *rec)
 {
         return parse_common_pc(pevent, rec->data);
 }
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 74cecba87daa..66342804161c 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -710,7 +710,7 @@ void pevent_data_lat_fmt(struct pevent *pevent,
 int pevent_data_type(struct pevent *pevent, struct pevent_record *rec);
 struct event_format *pevent_data_event_from_type(struct pevent *pevent, int type);
 int pevent_data_pid(struct pevent *pevent, struct pevent_record *rec);
-int pevent_data_prempt_count(struct pevent *pevent, struct pevent_record *rec);
+int pevent_data_preempt_count(struct pevent *pevent, struct pevent_record *rec);
 int pevent_data_flags(struct pevent *pevent, struct pevent_record *rec);
 const char *pevent_data_comm_from_pid(struct pevent *pevent, int pid);
 struct cmdline;
diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index 8ffbd272952d..a89273d8e744 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -39,6 +39,10 @@ OPTIONS
 --verbose::
         Be more verbose. (Show symbol address, etc)
 
+-q::
+--quiet::
+        Do not show any message.  (Suppress -v)
+
 -D::
 --dump-raw-trace::
         Dump raw trace in ASCII.
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index 66dbe3dee74b..a79c84ae61aa 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -73,6 +73,10 @@ OPTIONS
         Be verbose, for instance, show the raw counts in addition to the
         diff.
 
+-q::
+--quiet::
+        Do not show any message.  (Suppress -v)
+
 -f::
 --force::
         Don't do ownership validation.
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index 27256bc68eda..b16003ec14a7 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -157,7 +157,7 @@ OPTIONS
 
 -a::
 --all-cpus::
-        System-wide collection from all CPUs.
+        System-wide collection from all CPUs (default if no target is specified).
 
 -p::
 --pid=::
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index f2914f03ae7b..c04cc0647c16 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -25,6 +25,10 @@ OPTIONS
 --verbose::
         Be more verbose. (show symbol address, etc)
 
+-q::
+--quiet::
+        Do not show any message.  (Suppress -v)
+
 -n::
 --show-nr-samples::
         Show the number of samples for each symbol
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index d96ccd4844df..aecf2a87e7d6 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -63,7 +63,7 @@ report::
 
 -a::
 --all-cpus::
-        system-wide collection from all CPUs
+        system-wide collection from all CPUs (default if no target is specified)
 
 -c::
 --scale::
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 2b941efadb04..27c9fbca7bd9 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -175,6 +175,10 @@ PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
 
+ifeq ($(CC), clang)
+  PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
+endif
+
 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
@@ -601,6 +605,9 @@ else
       PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
       PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
       PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
+      ifeq ($(CC), clang)
+        PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
+      endif
       FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
 
       ifneq ($(feature-libpython), 1)
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 4da19b6ba94a..79fe31f20a17 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -726,13 +726,13 @@ config-clean:
         $(call QUIET_CLEAN, config)
         $(Q)$(MAKE) -C $(srctree)/tools/build/feature/ $(if $(OUTPUT),OUTPUT=$(OUTPUT)feature/,) clean >/dev/null
 
-clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean config-clean
+clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean config-clean fixdep-clean
         $(call QUIET_CLEAN, core-objs)  $(RM) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf-with-kcore $(LANG_BINDINGS)
         $(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
         $(Q)$(RM) $(OUTPUT).config-detected
         $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf perf-read-vdso32 perf-read-vdsox32 $(OUTPUT)pmu-events/jevents $(OUTPUT)$(LIBJVMTI).so
         $(call QUIET_CLEAN, core-gen)   $(RM)  *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)FEATURE-DUMP $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex* \
-                $(OUTPUT)util/intel-pt-decoder/inat-tables.c $(OUTPUT)fixdep \
+                $(OUTPUT)util/intel-pt-decoder/inat-tables.c \
                 $(OUTPUT)tests/llvm-src-{base,kbuild,prologue,relocation}.c \
                 $(OUTPUT)pmu-events/pmu-events.c
         $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index ebb628332a6e..4f52d85f5ebc 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -410,6 +410,7 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
         OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"),
         OPT_INCR('v', "verbose", &verbose,
                     "be more verbose (show symbol address, etc)"),
+        OPT_BOOLEAN('q', "quiet", &quiet, "do now show any message"),
         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
                     "dump raw trace in ASCII"),
         OPT_BOOLEAN(0, "gtk", &annotate.use_gtk, "Use the GTK interface"),
@@ -463,6 +464,9 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused)
                 annotate.sym_hist_filter = argv[0];
         }
 
+        if (quiet)
+                perf_quiet_option();
+
         file.path  = input_name;
 
         annotate.session = perf_session__new(&file, false, &annotate.tool);
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 70a289347591..1b96a3122228 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -691,7 +691,7 @@ static void hists__process(struct hists *hists)
         hists__precompute(hists);
         hists__output_resort(hists, NULL);
 
-        hists__fprintf(hists, true, 0, 0, 0, stdout,
+        hists__fprintf(hists, !quiet, 0, 0, 0, stdout,
                        symbol_conf.use_callchain);
 }
 
@@ -739,12 +739,14 @@ static void data_process(void)
                                 hists__link(hists_base, hists);
                 }
 
-                fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n",
-                        perf_evsel__name(evsel_base));
+                if (!quiet) {
+                        fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n",
+                                perf_evsel__name(evsel_base));
+                }
 
                 first = false;
 
-                if (verbose || data__files_cnt > 2)
+                if (verbose > 0 || ((data__files_cnt > 2) && !quiet))
                         data__fprintf();
 
                 /* Don't sort callchain for perf diff */
@@ -807,6 +809,7 @@ static const char * const diff_usage[] = {
 static const struct option options[] = {
         OPT_INCR('v', "verbose", &verbose,
                     "be more verbose (show symbol address, etc)"),
+        OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
         OPT_BOOLEAN('b', "baseline-only", &show_baseline_only,
                     "Show only items with match in baseline"),
         OPT_CALLBACK('c', "compute", &compute,
@@ -1328,6 +1331,9 @@ int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused)
 
         argc = parse_options(argc, argv, options, diff_usage, 0);
 
+        if (quiet)
+                perf_quiet_option();
+
         if (symbol__init(NULL) < 0)
                 return -1;
 
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c
index cd7bc4d104e2..6114e07ca613 100644
--- a/tools/perf/builtin-mem.c
+++ b/tools/perf/builtin-mem.c
@@ -42,8 +42,8 @@ static int parse_record_events(const struct option *opt,
 
                 fprintf(stderr, "%-13s%-*s%s\n",
                         e->tag,
-                        verbose ? 25 : 0,
-                        verbose ? perf_mem_events__name(j) : "",
+                        verbose > 0 ? 25 : 0,
+                        verbose > 0 ? perf_mem_events__name(j) : "",
                         e->supported ? ": available" : "");
         }
         exit(0);
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 6cd6776052e7..bc84a375295d 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -432,7 +432,7 @@ static int record__open(struct record *rec)
 try_again:
                 if (perf_evsel__open(pos, pos->cpus, pos->threads) < 0) {
                         if (perf_evsel__fallback(pos, errno, msg, sizeof(msg))) {
-                                if (verbose)
+                                if (verbose > 0)
                                         ui__warning("%s\n", msg);
                                 goto try_again;
                         }
@@ -1677,8 +1677,12 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused)
 
         argc = parse_options(argc, argv, record_options, record_usage,
                             PARSE_OPT_STOP_AT_NON_OPTION);
+        if (quiet)
+                perf_quiet_option();
+
+        /* Make system wide (-a) the default target. */
         if (!argc && target__none(&rec->opts.target))
-                usage_with_options(record_usage, record_options);
+                rec->opts.target.system_wide = true;
 
         if (nr_cgroups && !rec->opts.target.system_wide) {
                 usage_with_options_msg(record_usage, record_options,
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index dbd7fa028861..0a88670e56f3 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -320,6 +320,9 @@ static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report
         size_t size = sizeof(buf);
         int socked_id = hists->socket_filter;
 
+        if (quiet)
+                return 0;
+
         if (symbol_conf.filter_relative) {
                 nr_samples = hists->stats.nr_non_filtered_samples;
                 nr_events = hists->stats.total_non_filtered_period;
@@ -372,7 +375,11 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
 {
         struct perf_evsel *pos;
 
-        fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", evlist->stats.total_lost_samples);
+        if (!quiet) {
+                fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n",
+                        evlist->stats.total_lost_samples);
+        }
+
         evlist__for_each_entry(evlist, pos) {
                 struct hists *hists = evsel__hists(pos);
                 const char *evname = perf_evsel__name(pos);
@@ -382,7 +389,7 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
                         continue;
 
                 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
-                hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout,
+                hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout,
                                symbol_conf.use_callchain);
                 fprintf(stdout, "\n\n");
         }
@@ -716,6 +723,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
                     "input file name"),
         OPT_INCR('v', "verbose", &verbose,
                     "be more verbose (show symbol address, etc)"),
+        OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
                     "dump raw trace in ASCII"),
         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
@@ -863,6 +871,9 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
                 report.symbol_filter_str = argv[0];
         }
 
+        if (quiet)
+                perf_quiet_option();
+
         if (symbol_conf.vmlinux_name &&
             access(symbol_conf.vmlinux_name, R_OK)) {
                 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
@@ -983,14 +994,14 @@ repeat:
                 goto error;
         }
 
-        if (report.header || report.header_only) {
+        if ((report.header || report.header_only) && !quiet) {
                 perf_session__fprintf_info(session, stdout,
                                            report.show_full_info);
                 if (report.header_only) {
                         ret = 0;
                         goto error;
                 }
-        } else if (use_browser == 0) {
+        } else if (use_browser == 0 && !quiet) {
                 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
                       stdout);
         }
@@ -1009,7 +1020,7 @@ repeat:
                  * providing it only in verbose mode not to bloat too
                  * much struct symbol.
                  */
-                if (verbose) {
+                if (verbose > 0) {
                         /*
                          * XXX: Need to provide a less kludgy way to ask for
                          * more space per symbol, the u32 is for the index on
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 270eb2d8ca6b..b94cf0de715a 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -460,7 +460,7 @@ static struct task_desc *register_pid(struct perf_sched *sched,
         BUG_ON(!sched->tasks);
         sched->tasks[task->nr] = task;
 
-        if (verbose)
+        if (verbose > 0)
                 printf("registered task #%ld, PID %ld (%s)\n", sched->nr_tasks, pid, comm);
 
         return task;
@@ -794,7 +794,7 @@ replay_wakeup_event(struct perf_sched *sched,
         const u32 pid    = perf_evsel__intval(evsel, sample, "pid");
         struct task_desc *waker, *wakee;
 
-        if (verbose) {
+        if (verbose > 0) {
                 printf("sched_wakeup event %p\n", evsel);
 
                 printf(" ... pid %d woke up %s/%d\n", sample->tid, comm, pid);
@@ -822,7 +822,7 @@ static int replay_switch_event(struct perf_sched *sched,
         int cpu = sample->cpu;
         s64 delta;
 
-        if (verbose)
+        if (verbose > 0)
                 printf("sched_switch event %p\n", evsel);
 
         if (cpu >= MAX_CPUS || cpu < 0)
@@ -870,7 +870,7 @@ static int replay_fork_event(struct perf_sched *sched,
                 goto out_put;
         }
 
-        if (verbose) {
+        if (verbose > 0) {
                 printf("fork event\n");
                 printf("... parent: %s/%d\n", thread__comm_str(parent), parent->tid);
                 printf("...  child: %s/%d\n", thread__comm_str(child), child->tid);
@@ -1573,7 +1573,7 @@ static int map_switch_event(struct perf_sched *sched, struct perf_evsel *evsel,
 
         timestamp__scnprintf_usec(timestamp, stimestamp, sizeof(stimestamp));
         color_fprintf(stdout, color, "  %12s secs ", stimestamp);
-        if (new_shortname || (verbose && sched_in->tid)) {
+        if (new_shortname || (verbose > 0 && sched_in->tid)) {
                 const char *pid_color = color;
 
                 if (thread__has_color(sched_in))
@@ -2050,7 +2050,7 @@ static void save_task_callchain(struct perf_sched *sched,
 
         if (thread__resolve_callchain(thread, cursor, evsel, sample,
                                       NULL, NULL, sched->max_stack + 2) != 0) {
-                if (verbose)
+                if (verbose > 0)
                         error("Failed to resolve callchain. Skipping\n");
 
                 return;
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index f28719178b51..13b54999ad79 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -573,7 +573,7 @@ try_again:
                         if (errno == EINVAL || errno == ENOSYS ||
                             errno == ENOENT || errno == EOPNOTSUPP ||
                             errno == ENXIO) {
-                                if (verbose)
+                                if (verbose > 0)
                                         ui__warning("%s event is not supported by the kernel.\n",
                                                     perf_evsel__name(counter));
                                 counter->supported = false;
@@ -582,7 +582,7 @@ try_again:
                                     !(counter->leader->nr_members > 1))
                                         continue;
                         } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) {
-                                if (verbose)
+                                if (verbose > 0)
                                         ui__warning("%s\n", msg);
                                 goto try_again;
                         }
@@ -1765,7 +1765,7 @@ static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map, i
 
         cpu = map->map[idx];
 
-        if (cpu >= env->nr_cpus_online)
+        if (cpu >= env->nr_cpus_avail)
                 return -1;
 
         return cpu;
@@ -2445,8 +2445,9 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
         } else if (big_num_opt == 0) /* User passed --no-big-num */
                 big_num = false;
 
+        /* Make system wide (-a) the default target. */
         if (!argc && target__none(&target))
-                usage_with_options(stat_usage, stat_options);
+                target.system_wide = true;
 
         if (run_count < 0) {
                 pr_err("Run count must be a positive number\n");
@@ -2538,7 +2539,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
 
         status = 0;
         for (run_idx = 0; forever || run_idx < run_count; run_idx++) {
-                if (run_count != 1 && verbose)
+                if (run_count != 1 && verbose > 0)
                         fprintf(output, "[ perf stat: executing run #%d ... ]\n",
                                 run_idx + 1);
 
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 5a7fd7af3a6d..ab9077915763 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -871,7 +871,7 @@ try_again:
                 if (perf_evsel__open(counter, top->evlist->cpus,
                                      top->evlist->threads) < 0) {
                         if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) {
-                                if (verbose)
+                                if (verbose > 0)
                                         ui__warning("%s\n", msg);
                                 goto try_again;
                         }
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 40ef9b293d1b..256f1fac6f7e 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1399,7 +1399,7 @@ static struct syscall *trace__syscall_info(struct trace *trace,
         return &trace->syscalls.table[id];
 
 out_cant_read:
-        if (verbose) {
+        if (verbose > 0) {
                 fprintf(trace->output, "Problems reading syscall %d", id);
                 if (id <= trace->syscalls.max && trace->syscalls.table[id].name != NULL)
                         fprintf(trace->output, "(%s)", trace->syscalls.table[id].name);
@@ -1801,10 +1801,10 @@ static void print_location(FILE *f, struct perf_sample *sample,
                            bool print_dso, bool print_sym)
 {
 
-        if ((verbose || print_dso) && al->map)
+        if ((verbose > 0 || print_dso) && al->map)
                 fprintf(f, "%s@", al->map->dso->long_name);
 
-        if ((verbose || print_sym) && al->sym)
+        if ((verbose > 0 || print_sym) && al->sym)
                 fprintf(f, "%s+0x%" PRIx64, al->sym->name,
                         al->addr - al->sym->start);
         else if (al->map)
diff --git a/tools/perf/pmu-events/json.c b/tools/perf/pmu-events/json.c
index f67bbb0aa36e..0544398d6e2d 100644
--- a/tools/perf/pmu-events/json.c
+++ b/tools/perf/pmu-events/json.c
@@ -49,7 +49,7 @@ static char *mapfile(const char *fn, size_t *size)
         int err;
         int fd = open(fn, O_RDONLY);
 
-        if (fd < 0 && verbose && fn) {
+        if (fd < 0 && verbose > 0 && fn) {
                 pr_err("Error opening events file '%s': %s\n", fn,
                                 strerror(errno));
         }
diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c
index 28d1605b0338..88dc51f4c27b 100644
--- a/tools/perf/tests/attr.c
+++ b/tools/perf/tests/attr.c
@@ -144,7 +144,7 @@ static int run_dir(const char *d, const char *perf)
         int vcnt = min(verbose, (int) sizeof(v) - 1);
         char cmd[3*PATH_MAX];
 
-        if (verbose)
+        if (verbose > 0)
                 vcnt++;
 
         snprintf(cmd, 3*PATH_MAX, PYTHON " %s/attr.py -d %s/attr/ -p %s %.*s",
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 37e326bfd2dc..83c4669cbc5b 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -299,7 +299,7 @@ static int run_test(struct test *test, int subtest)
                 if (!dont_fork) {
                         pr_debug("test child forked, pid %d\n", getpid());
 
-                        if (!verbose) {
+                        if (verbose <= 0) {
                                 int nullfd = open("/dev/null", O_WRONLY);
 
                                 if (nullfd >= 0) {
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index ff5bc6363a79..d1f693041324 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -599,7 +599,7 @@ static int do_test_code_reading(bool try_kcore)
                                 continue;
                         }
 
-                        if (verbose) {
+                        if (verbose > 0) {
                                 char errbuf[512];
                                 perf_evlist__strerror_open(evlist, errno, errbuf, sizeof(errbuf));
                                 pr_debug("perf_evlist__open() failed!\n%s\n", errbuf);
diff --git a/tools/perf/tests/fdarray.c b/tools/perf/tests/fdarray.c
index a2b5ff9bf83d..bc5982f42dc3 100644
--- a/tools/perf/tests/fdarray.c
+++ b/tools/perf/tests/fdarray.c
@@ -19,7 +19,7 @@ static int fdarray__fprintf_prefix(struct fdarray *fda, const char *prefix, FILE
 {
         int printed = 0;
 
-        if (!verbose)
+        if (verbose <= 0)
                 return 0;
 
         printed += fprintf(fp, "\n%s: ", prefix);
diff --git a/tools/perf/tests/llvm.c b/tools/perf/tests/llvm.c
index d357dab72e68..482b5365e68d 100644
--- a/tools/perf/tests/llvm.c
+++ b/tools/perf/tests/llvm.c
@@ -76,7 +76,7 @@ test_llvm__fetch_bpf_obj(void **p_obj_buf,
          * Skip this test if user's .perfconfig doesn't set [llvm] section
          * and clang is not found in $PATH, and this is not perf test -v
          */
-        if (!force && (verbose == 0 &&
+        if (!force && (verbose <= 0 &&
                        !llvm_param.user_set_param &&
                        llvm__search_clang())) {
                 pr_debug("No clang and no verbosive, skip this test\n");
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index aa9276bfe3e9..1dc838014422 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1808,7 +1808,7 @@ static void debug_warn(const char *warn, va_list params)
 {
         char msg[1024];
 
-        if (!verbose)
+        if (verbose <= 0)
                 return;
 
         vsnprintf(msg, sizeof(msg), warn, params);
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 541da7a68f91..87893f3ba5f1 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -172,13 +172,13 @@ int test__PERF_RECORD(int subtest __maybe_unused)
 
                                 err = perf_evlist__parse_sample(evlist, event, &sample);
                                 if (err < 0) {
-                                        if (verbose)
+                                        if (verbose > 0)
                                                 perf_event__fprintf(event, stderr);
                                         pr_debug("Couldn't parse sample\n");
                                         goto out_delete_evlist;
                                 }
 
-                                if (verbose) {
+                                if (verbose > 0) {
                                         pr_info("%" PRIu64" %d ", sample.time, sample.cpu);
                                         perf_event__fprintf(event, stderr);
                                 }
diff --git a/tools/perf/tests/python-use.c b/tools/perf/tests/python-use.c
index 7a52834ee0d0..fa79509da535 100644
--- a/tools/perf/tests/python-use.c
+++ b/tools/perf/tests/python-use.c
@@ -15,7 +15,7 @@ int test__python_use(int subtest __maybe_unused)
         int ret;
 
         if (asprintf(&cmd, "echo \"import sys ; sys.path.append('%s'); import perf\" | %s %s",
-                     PYTHONPATH, PYTHON, verbose ? "" : "2> /dev/null") < 0)
+                     PYTHONPATH, PYTHON, verbose > 0 ? "" : "2> /dev/null") < 0)
                 return -1;
 
         ret = system(cmd) ? -1 : 0;
diff --git a/tools/perf/tests/thread-map.c b/tools/perf/tests/thread-map.c
index a4a4b4625ac3..f2d2e542d0ee 100644
--- a/tools/perf/tests/thread-map.c
+++ b/tools/perf/tests/thread-map.c
@@ -109,7 +109,7 @@ int test__thread_map_remove(int subtest __maybe_unused)
         TEST_ASSERT_VAL("failed to allocate thread_map",
                         threads);
 
-        if (verbose)
+        if (verbose > 0)
                 thread_map__fprintf(threads, stderr);
 
         TEST_ASSERT_VAL("failed to remove thread",
@@ -117,7 +117,7 @@ int test__thread_map_remove(int subtest __maybe_unused)
 
         TEST_ASSERT_VAL("thread_map count != 1", threads->nr == 1);
 
-        if (verbose)
+        if (verbose > 0)
                 thread_map__fprintf(threads, stderr);
 
         TEST_ASSERT_VAL("failed to remove thread",
@@ -125,7 +125,7 @@ int test__thread_map_remove(int subtest __maybe_unused)
 
         TEST_ASSERT_VAL("thread_map count != 0", threads->nr == 0);
 
-        if (verbose)
+        if (verbose > 0)
                 thread_map__fprintf(threads, stderr);
 
         TEST_ASSERT_VAL("failed to not remove thread",
diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index 98fe69ac553c..803f893550d6 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -65,7 +65,9 @@ static int check_cpu_topology(char *path, struct cpu_map *map)
         session = perf_session__new(&file, false, NULL);
         TEST_ASSERT_VAL("can't get session", session);
 
-        for (i = 0; i < session->header.env.nr_cpus_online; i++) {
+        for (i = 0; i < session->header.env.nr_cpus_avail; i++) {
+                if (!cpu_map__has(map, i))
+                        continue;
                 pr_debug("CPU %d, core %d, socket %d\n", i,
                          session->header.env.cpu[i].core_id,
                          session->header.env.cpu[i].socket_id);
diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c
index a5082331f246..862b043e5924 100644
--- a/tools/perf/tests/vmlinux-kallsyms.c
+++ b/tools/perf/tests/vmlinux-kallsyms.c
@@ -168,7 +168,7 @@ next_pair:
                 err = -1;
         }
 
-        if (!verbose)
+        if (verbose <= 0)
                 goto out;
 
         header_printed = false;
diff --git a/tools/perf/ui/browsers/map.c b/tools/perf/ui/browsers/map.c
index 98a34664bb7e..9ce142de536d 100644
--- a/tools/perf/ui/browsers/map.c
+++ b/tools/perf/ui/browsers/map.c
@@ -73,7 +73,7 @@ static int map_browser__run(struct map_browser *browser)
 
         if (ui_browser__show(&browser->b, browser->map->dso->long_name,
                              "Press ESC to exit, %s / to search",
-                             verbose ? "" : "restart with -v to use") < 0)
+                             verbose > 0 ? "" : "restart with -v to use") < 0)
                 return -1;
 
         while (1) {
@@ -81,7 +81,7 @@ static int map_browser__run(struct map_browser *browser)
 
                 switch (key) {
                 case '/':
-                        if (verbose)
+                        if (verbose > 0)
                                 map_browser__search(browser);
                 default:
                         break;
@@ -117,7 +117,7 @@ int map__browse(struct map *map)
 
                 if (maxaddr < pos->end)
                         maxaddr = pos->end;
-                if (verbose) {
+                if (verbose > 0) {
                         u32 *idx = symbol__browser_index(pos);
                         *idx = mb.b.nr_entries;
                 }
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 18cfcdc90356..5d632dca672a 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -648,7 +648,7 @@ unsigned int hists__sort_list_width(struct hists *hists)
                 ret += fmt->width(fmt, &dummy_hpp, hists);
         }
 
-        if (verbose && hists__has(hists, sym)) /* Addr + origin */
+        if (verbose > 0 && hists__has(hists, sym)) /* Addr + origin */
                 ret += 3 + BITS_PER_LONG / 4;
 
         return ret;
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;
 
         /*