18 files changed, 97 insertions, 396 deletions

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 47264b4652b9..f2989c525e48 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2602,6 +2602,9 @@ find_func_handler(struct pevent *pevent, char *func_name)
 {
 	struct pevent_function_handler *func;
 
+	if (!pevent)
+		return NULL;
+
 	for (func = pevent->func_handlers; func; func = func->next) {
 		if (strcmp(func->name, func_name) == 0)
 			break;
@@ -4938,6 +4941,9 @@ enum pevent_errno __pevent_parse_format(struct event_format **eventp,
 		goto event_alloc_failed;
 	}
 
+	/* Add pevent to event so that it can be referenced */
+	event->pevent = pevent;
+
 	ret = event_read_format(event);
 	if (ret < 0) {
 		ret = PEVENT_ERRNO__READ_FORMAT_FAILED;
@@ -5041,9 +5047,6 @@ enum pevent_errno pevent_parse_event(struct pevent *pevent, const char *buf,
 	if (event == NULL)
 		return ret;
 
-	/* Add pevent to event so that it can be referenced */
-	event->pevent = pevent;
-
 	if (add_event(pevent, event)) {
 		ret = PEVENT_ERRNO__MEM_ALLOC_FAILED;
 		goto event_add_failed;
diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
index ad17855528f9..5ea4326ad11f 100644
--- a/tools/lib/traceevent/parse-filter.c
+++ b/tools/lib/traceevent/parse-filter.c
@@ -209,7 +209,16 @@ static void free_arg(struct filter_arg *arg)
 	switch (arg->type) {
 	case FILTER_ARG_NONE:
 	case FILTER_ARG_BOOLEAN:
+		break;
+
 	case FILTER_ARG_NUM:
+		free_arg(arg->num.left);
+		free_arg(arg->num.right);
+		break;
+
+	case FILTER_ARG_EXP:
+		free_arg(arg->exp.left);
+		free_arg(arg->exp.right);
 		break;
 
 	case FILTER_ARG_STR:
@@ -218,6 +227,12 @@ static void free_arg(struct filter_arg *arg)
 		free(arg->str.buffer);
 		break;
 
+	case FILTER_ARG_VALUE:
+		if (arg->value.type == FILTER_STRING ||
+		    arg->value.type == FILTER_CHAR)
+			free(arg->value.str);
+		break;
+
 	case FILTER_ARG_OP:
 		free_arg(arg->op.left);
 		free_arg(arg->op.right);
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index f7c968ad5178..00deed4d6159 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -184,9 +184,22 @@ SCRIPT_SH += perf-archive.sh
 grep-libs = $(filter -l%,$(1))
 strip-libs = $(filter-out -l%,$(1))
 
+TRACE_EVENT_DIR = ../lib/traceevent/
+
+ifneq ($(OUTPUT),)
+	TE_PATH=$(OUTPUT)
+else
+	TE_PATH=$(TRACE_EVENT_DIR)
+endif
+
+LIBTRACEEVENT = $(TE_PATH)libtraceevent.a
+TE_LIB := -L$(TE_PATH) -ltraceevent
+
 PYTHON_EXT_SRCS := $(shell grep -v ^\# util/python-ext-sources)
 PYTHON_EXT_DEPS := util/python-ext-sources util/setup.py
 
+export LIBTRACEEVENT
+
 $(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS)
 	$(QUIET_GEN)CFLAGS='$(BASIC_CFLAGS)' $(PYTHON_WORD) util/setup.py \
 	  --quiet build_ext; \
@@ -198,17 +211,6 @@ $(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS)
 
 SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH))
 
-TRACE_EVENT_DIR = ../lib/traceevent/
-
-ifneq ($(OUTPUT),)
-	TE_PATH=$(OUTPUT)
-else
-	TE_PATH=$(TRACE_EVENT_DIR)
-endif
-
-LIBTRACEEVENT = $(TE_PATH)libtraceevent.a
-TE_LIB := -L$(TE_PATH) -ltraceevent
-
 #
 # Single 'perf' binary right now:
 #
diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index 411ee5664e98..178b88ae3d2f 100644
--- a/tools/perf/builtin-help.c
+++ b/tools/perf/builtin-help.c
@@ -414,7 +414,7 @@ static int show_html_page(const char *perf_cmd)
 int cmd_help(int argc, const char **argv, const char *prefix __maybe_unused)
 {
 	bool show_all = false;
-	enum help_format help_format = HELP_FORMAT_NONE;
+	enum help_format help_format = HELP_FORMAT_MAN;
 	struct option builtin_help_options[] = {
 	OPT_BOOLEAN('a', "all", &show_all, "print all available commands"),
 	OPT_SET_UINT('m', "man", &help_format, "show man page", HELP_FORMAT_MAN),
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index dec8ced61fb0..7aaee39f6774 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -56,6 +56,10 @@ static int trace__read_syscall_info(struct trace *trace, int id)
 {
 	char tp_name[128];
 	struct syscall *sc;
+	const char *name = audit_syscall_to_name(id, trace->audit_machine);
+
+	if (name == NULL)
+		return -1;
 
 	if (id > trace->syscalls.max) {
 		struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc));
@@ -75,11 +79,8 @@ static int trace__read_syscall_info(struct trace *trace, int id)
 	}
 
 	sc = trace->syscalls.table + id;
-	sc->name = audit_syscall_to_name(id, trace->audit_machine);
-	if (sc->name == NULL)
-		return -1;
-
-	sc->fmt = syscall_fmt__find(sc->name);
+	sc->name = name;
+	sc->fmt  = syscall_fmt__find(sc->name);
 
 	snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name);
 	sc->tp_format = event_format__new("syscalls", tp_name);
@@ -267,6 +268,13 @@ again:
 			if (evlist->threads->map[0] == -1 || evlist->threads->nr > 1)
 				printf("%d ", sample.tid);
 
+			if (sample.raw_data == NULL) {
+				printf("%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n",
+				       perf_evsel__name(evsel), sample.tid,
+				       sample.cpu, sample.raw_size);
+				continue;
+			}
+
 			handler = evsel->handler.func;
 			handler(trace, evsel, &sample);
 		}
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 276287783a03..c50985eaec41 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -57,7 +57,7 @@ void get_term_dimensions(struct winsize *ws);
 #endif
 
 #ifdef __sparc__
-#include "../../arch/sparc/include/asm/unistd.h"
+#include "../../arch/sparc/include/uapi/asm/unistd.h"
 #define rmb()		asm volatile("":::"memory")
 #define cpu_relax()	asm volatile("":::"memory")
 #define CPUINFO_PROC	"cpu"
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 0568536ecf67..ef2f93ca7496 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -610,6 +610,7 @@ static int hist_browser__show_entry(struct hist_browser *browser,
 	char folded_sign = ' ';
 	bool current_entry = ui_browser__is_current_entry(&browser->b, row);
 	off_t row_offset = entry->row_offset;
+	bool first = true;
 
 	if (current_entry) {
 		browser->he_selection = entry;
@@ -633,10 +634,11 @@ static int hist_browser__show_entry(struct hist_browser *browser,
 			if (!perf_hpp__format[i].cond)
 				continue;
 
-			if (i) {
+			if (!first) {
 				slsmg_printf("  ");
 				width -= 2;
 			}
+			first = false;
 
 			if (perf_hpp__format[i].color) {
 				hpp.ptr = &percent;
@@ -645,7 +647,7 @@ static int hist_browser__show_entry(struct hist_browser *browser,
 
 				ui_browser__set_percent_color(&browser->b, percent, current_entry);
 
-				if (i == 0 && symbol_conf.use_callchain) {
+				if (i == PERF_HPP__OVERHEAD && symbol_conf.use_callchain) {
 					slsmg_printf("%c ", folded_sign);
 					width -= 2;
 				}
diff --git a/tools/perf/util/parse-events-test.c b/tools/perf/util/parse-events-test.c
index 28c18d1d52c3..516ecd9ddd6e 100644
--- a/tools/perf/util/parse-events-test.c
+++ b/tools/perf/util/parse-events-test.c
@@ -513,7 +513,8 @@ static int test__group1(struct perf_evlist *evlist)
 	TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
 	TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
 	TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
-	TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+	/* use of precise requires exclude_guest */
+	TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
@@ -599,7 +600,8 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
 	TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
 	TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
-	TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+	/* use of precise requires exclude_guest */
+	TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 3);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
@@ -662,7 +664,8 @@ static int test__group4(struct perf_evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
 	TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
 	TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
-	TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+	/* use of precise requires exclude_guest */
+	TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 1);
 	TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
@@ -676,7 +679,8 @@ static int test__group4(struct perf_evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong exclude_user", evsel->attr.exclude_user);
 	TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->attr.exclude_kernel);
 	TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
-	TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+	/* use of precise requires exclude_guest */
+	TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip == 2);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index aed38e4b9dfa..75c7b0fca6d9 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -690,6 +690,9 @@ static int get_event_modifier(struct event_modifier *mod, char *str,
 			eH = 0;
 		} else if (*str == 'p') {
 			precise++;
+			/* use of precise requires exclude_guest */
+			if (!exclude_GH)
+				eG = 1;
 		} else
 			break;
 
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index d0f9f29cf181..73d510269784 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -23,6 +23,7 @@ cflags += getenv('CFLAGS', '').split()
 
 build_lib = getenv('PYTHON_EXTBUILD_LIB')
 build_tmp = getenv('PYTHON_EXTBUILD_TMP')
+libtraceevent = getenv('LIBTRACEEVENT')
 
 ext_sources = [f.strip() for f in file('util/python-ext-sources')
 				if len(f.strip()) > 0 and f[0] != '#']
@@ -31,6 +32,7 @@ perf = Extension('perf',
 		  sources = ext_sources,
 		  include_dirs = ['util/include'],
 		  extra_compile_args = cflags,
+		  extra_objects = [libtraceevent],
                  )
 
 setup(name='perf',
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index b5b1b9211960..cfd1c0feb32d 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -260,6 +260,12 @@ static int hist_entry__srcline_snprintf(struct hist_entry *self, char *bf,
 	if (path != NULL)
 		goto out_path;
 
+	if (!self->ms.map)
+		goto out_ip;
+
+	if (!strncmp(self->ms.map->dso->long_name, "/tmp/perf-", 10))
+		goto out_ip;
+
 	snprintf(cmd, sizeof(cmd), "addr2line -e %s %016" PRIx64,
 		 self->ms.map->dso->long_name, self->ip);
 	fp = popen(cmd, "r");
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index fb4b7ea6752f..8b3e5939afb6 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -39,7 +39,6 @@ int thread__set_comm(struct thread *self, const char *comm)
 	err = self->comm == NULL ? -ENOMEM : 0;
 	if (!err) {
 		self->comm_set = true;
-		map_groups__flush(&self->mg);
 	}
 	return err;
 }
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 2655ae9a3ad8..ea095abbe97e 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -206,8 +206,10 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr)
 	retval = pread(fd, msr, sizeof *msr, offset);
 	close(fd);
 
-	if (retval != sizeof *msr)
+	if (retval != sizeof *msr) {
+		fprintf(stderr, "%s offset 0x%zx read failed\n", pathname, offset);
 		return -1;
+	}
 
 	return 0;
 }
@@ -1101,7 +1103,9 @@ void turbostat_loop()
 
 restart:
 	retval = for_all_cpus(get_counters, EVEN_COUNTERS);
-	if (retval) {
+	if (retval < -1) {
+		exit(retval);
+	} else if (retval == -1) {
 		re_initialize();
 		goto restart;
 	}
@@ -1114,7 +1118,9 @@ restart:
 		}
 		sleep(interval_sec);
 		retval = for_all_cpus(get_counters, ODD_COUNTERS);
-		if (retval) {
+		if (retval < -1) {
+			exit(retval);
+		} else if (retval == -1) {
 			re_initialize();
 			goto restart;
 		}
@@ -1126,7 +1132,9 @@ restart:
 		flush_stdout();
 		sleep(interval_sec);
 		retval = for_all_cpus(get_counters, EVEN_COUNTERS);
-		if (retval) {
+		if (retval < -1) {
+			exit(retval);
+		} else if (retval == -1) {
 			re_initialize();
 			goto restart;
 		}
@@ -1545,8 +1553,11 @@ void turbostat_init()
 int fork_it(char **argv)
 {
 	pid_t child_pid;
+	int status;
 
-	for_all_cpus(get_counters, EVEN_COUNTERS);
+	status = for_all_cpus(get_counters, EVEN_COUNTERS);
+	if (status)
+		exit(status);
 	/* clear affinity side-effect of get_counters() */
 	sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
 	gettimeofday(&tv_even, (struct timezone *)NULL);
@@ -1556,7 +1567,6 @@ int fork_it(char **argv)
 		/* child */
 		execvp(argv[0], argv);
 	} else {
-		int status;
 
 		/* parent */
 		if (child_pid == -1) {
@@ -1568,7 +1578,7 @@ int fork_it(char **argv)
 		signal(SIGQUIT, SIG_IGN);
 		if (waitpid(child_pid, &status, 0) == -1) {
 			perror("wait");
-			exit(1);
+			exit(status);
 		}
 	}
 	/*
@@ -1585,7 +1595,7 @@ int fork_it(char **argv)
 
 	fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);
 
-	return 0;
+	return status;
 }
 
 void cmdline(int argc, char **argv)
@@ -1594,7 +1604,7 @@ void cmdline(int argc, char **argv)
 
 	progname = argv[0];
 
-	while ((opt = getopt(argc, argv, "+pPSvisc:sC:m:M:")) != -1) {
+	while ((opt = getopt(argc, argv, "+pPSvi:sc:sC:m:M:")) != -1) {
 		switch (opt) {
 		case 'p':
 			show_core_only++;
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index b51d787176d3..c7ba7614061b 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1740,8 +1740,10 @@ sub install {
     open(IN, "$output_config") or dodie("Can't read config file");
     while (<IN>) {
 	if (/CONFIG_MODULES(=y)?/) {
-	    $install_mods = 1 if (defined($1));
-	    last;
+	    if (defined($1)) {
+		$install_mods = 1;
+		last;
+	    }
 	}
     }
     close(IN);
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 43480149119e..85baf11e2acd 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -1,4 +1,4 @@
-TARGETS = breakpoints kcmp mqueue vm cpu-hotplug memory-hotplug epoll
+TARGETS = breakpoints kcmp mqueue vm cpu-hotplug memory-hotplug
 
 all:
 	for TARGET in $(TARGETS); do \
diff --git a/tools/testing/selftests/epoll/Makefile b/tools/testing/selftests/epoll/Makefile
deleted file mode 100644
index 19806ed62f50..000000000000
--- a/tools/testing/selftests/epoll/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-# Makefile for epoll selftests
-
-all: test_epoll
-%: %.c
-	gcc -pthread -g -o $@ $^
-
-run_tests: all
-	./test_epoll
-
-clean:
-	$(RM) test_epoll
diff --git a/tools/testing/selftests/epoll/test_epoll.c b/tools/testing/selftests/epoll/test_epoll.c
deleted file mode 100644
index e0fcff1e8331..000000000000
--- a/tools/testing/selftests/epoll/test_epoll.c
+++ /dev/null
@@ -1,344 +0,0 @@
-/*
- *  tools/testing/selftests/epoll/test_epoll.c
- *
- *  Copyright 2012 Adobe Systems Incorporated
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  Paton J. Lewis <palewis@adobe.com>
- *
- */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/epoll.h>
-#include <sys/socket.h>
-
-/*
- * A pointer to an epoll_item_private structure will be stored in the epoll
- * item's event structure so that we can get access to the epoll_item_private
- * data after calling epoll_wait:
- */
-struct epoll_item_private {
-	int index;  /* Position of this struct within the epoll_items array. */
-	int fd;
-	uint32_t events;
-	pthread_mutex_t mutex;  /* Guards the following variables... */
-	int stop;
-	int status;  /* Stores any error encountered while handling item. */
-	/* The following variable allows us to test whether we have encountered
-	   a problem while attempting to cancel and delete the associated
-	   event. When the test program exits, 'deleted' should be exactly
-	   one. If it is greater than one, then the failed test reflects a real
-	   world situation where we would have tried to access the epoll item's
-	   private data after deleting it: */
-	int deleted;
-};
-
-struct epoll_item_private *epoll_items;
-
-/*
- * Delete the specified item from the epoll set. In a real-world secneario this
- * is where we would free the associated data structure, but in this testing
- * environment we retain the structure so that we can test for double-deletion:
- */
-void delete_item(int index)
-{
-	__sync_fetch_and_add(&epoll_items[index].deleted, 1);
-}
-
-/*
- * A pointer to a read_thread_data structure will be passed as the argument to
- * each read thread:
- */
-struct read_thread_data {
-	int stop;
-	int status;  /* Indicates any error encountered by the read thread. */
-	int epoll_set;
-};
-
-/*
- * The function executed by the read threads:
- */
-void *read_thread_function(void *function_data)
-{
-	struct read_thread_data *thread_data =
-		(struct read_thread_data *)function_data;
-	struct epoll_event event_data;
-	struct epoll_item_private *item_data;
-	char socket_data;
-
-	/* Handle events until we encounter an error or this thread's 'stop'
-	   condition is set: */
-	while (1) {
-		int result = epoll_wait(thread_data->epoll_set,
-					&event_data,
-					1,	/* Number of desired events */
-					1000);  /* Timeout in ms */
-		if (result < 0) {
-			/* Breakpoints signal all threads. Ignore that while
-			   debugging: */
-			if (errno == EINTR)
-				continue;
-			thread_data->status = errno;
-			return 0;
-		} else if (thread_data->stop)
-			return 0;
-		else if (result == 0)  /* Timeout */
-			continue;
-
-		/* We need the mutex here because checking for the stop
-		   condition and re-enabling the epoll item need to be done
-		   together as one atomic operation when EPOLL_CTL_DISABLE is
-		   available: */
-		item_data = (struct epoll_item_private *)event_data.data.ptr;
-		pthread_mutex_lock(&item_data->mutex);
-
-		/* Remove the item from the epoll set if we want to stop
-		   handling that event: */
-		if (item_data->stop)
-			delete_item(item_data->index);
-		else {
-			/* Clear the data that was written to the other end of
-			   our non-blocking socket: */
-			do {
-				if (read(item_data->fd, &socket_data, 1) < 1) {
-					if ((errno == EAGAIN) ||
-					    (errno == EWOULDBLOCK))
-						break;
-					else
-						goto error_unlock;
-				}
-			} while (item_data->events & EPOLLET);
-
-			/* The item was one-shot, so re-enable it: */
-			event_data.events = item_data->events;
-			if (epoll_ctl(thread_data->epoll_set,
-						  EPOLL_CTL_MOD,
-						  item_data->fd,
-						  &event_data) < 0)
-				goto error_unlock;
-		}
-
-		pthread_mutex_unlock(&item_data->mutex);
-	}
-
-error_unlock:
-	thread_data->status = item_data->status = errno;
-	pthread_mutex_unlock(&item_data->mutex);
-	return 0;
-}
-
-/*
- * A pointer to a write_thread_data structure will be passed as the argument to
- * the write thread:
- */
-struct write_thread_data {
-	int stop;
-	int status;  /* Indicates any error encountered by the write thread. */
-	int n_fds;
-	int *fds;
-};
-
-/*
- * The function executed by the write thread. It writes a single byte to each
- * socket in turn until the stop condition for this thread is set. If writing to
- * a socket would block (i.e. errno was EAGAIN), we leave that socket alone for
- * the moment and just move on to the next socket in the list. We don't care
- * about the order in which we deliver events to the epoll set. In fact we don't
- * care about the data we're writing to the pipes at all; we just want to
- * trigger epoll events:
- */
-void *write_thread_function(void *function_data)
-{
-	const char data = 'X';
-	int index;
-	struct write_thread_data *thread_data =
-		(struct write_thread_data *)function_data;
-	while (!write_thread_data->stop)
-		for (index = 0;
-		     !thread_data->stop && (index < thread_data->n_fds);
-		     ++index)
-			if ((write(thread_data->fds[index], &data, 1) < 1) &&
-				(errno != EAGAIN) &&
-				(errno != EWOULDBLOCK)) {
-				write_thread_data->status = errno;
-				return;
-			}
-}
-
-/*
- * Arguments are currently ignored:
- */
-int main(int argc, char **argv)
-{
-	const int n_read_threads = 100;
-	const int n_epoll_items = 500;
-	int index;
-	int epoll_set = epoll_create1(0);
-	struct write_thread_data write_thread_data = {
-		0, 0, n_epoll_items, malloc(n_epoll_items * sizeof(int))
-	};
-	struct read_thread_data *read_thread_data =
-		malloc(n_read_threads * sizeof(struct read_thread_data));
-	pthread_t *read_threads = malloc(n_read_threads * sizeof(pthread_t));
-	pthread_t write_thread;
-
-	printf("-----------------\n");
-	printf("Runing test_epoll\n");
-	printf("-----------------\n");
-
-	epoll_items = malloc(n_epoll_items * sizeof(struct epoll_item_private));
-
-	if (epoll_set < 0 || epoll_items == 0 || write_thread_data.fds == 0 ||
-		read_thread_data == 0 || read_threads == 0)
-		goto error;
-
-	if (sysconf(_SC_NPROCESSORS_ONLN) < 2) {
-		printf("Error: please run this test on a multi-core system.\n");
-		goto error;
-	}
-
-	/* Create the socket pairs and epoll items: */
-	for (index = 0; index < n_epoll_items; ++index) {
-		int socket_pair[2];
-		struct epoll_event event_data;
-		if (socketpair(AF_UNIX,
-			       SOCK_STREAM | SOCK_NONBLOCK,
-			       0,
-			       socket_pair) < 0)
-			goto error;
-		write_thread_data.fds[index] = socket_pair[0];
-		epoll_items[index].index = index;
-		epoll_items[index].fd = socket_pair[1];
-		if (pthread_mutex_init(&epoll_items[index].mutex, NULL) != 0)
-			goto error;
-		/* We always use EPOLLONESHOT because this test is currently
-		   structured to demonstrate the need for EPOLL_CTL_DISABLE,
-		   which only produces useful information in the EPOLLONESHOT
-		   case (without EPOLLONESHOT, calling epoll_ctl with
-		   EPOLL_CTL_DISABLE will never return EBUSY). If support for
-		   testing events without EPOLLONESHOT is desired, it should
-		   probably be implemented in a separate unit test. */
-		epoll_items[index].events = EPOLLIN | EPOLLONESHOT;
-		if (index < n_epoll_items / 2)
-			epoll_items[index].events |= EPOLLET;
-		epoll_items[index].stop = 0;
-		epoll_items[index].status = 0;
-		epoll_items[index].deleted = 0;
-		event_data.events = epoll_items[index].events;
-		event_data.data.ptr = &epoll_items[index];
-		if (epoll_ctl(epoll_set,
-			      EPOLL_CTL_ADD,
-			      epoll_items[index].fd,
-			      &event_data) < 0)
-			goto error;
-	}
-
-	/* Create and start the read threads: */
-	for (index = 0; index < n_read_threads; ++index) {
-		read_thread_data[index].stop = 0;
-		read_thread_data[index].status = 0;
-		read_thread_data[index].epoll_set = epoll_set;
-		if (pthread_create(&read_threads[index],
-				   NULL,
-				   read_thread_function,
-				   &read_thread_data[index]) != 0)
-			goto error;
-	}
-
-	if (pthread_create(&write_thread,
-			   NULL,
-			   write_thread_function,
-			   &write_thread_data) != 0)
-		goto error;
-
-	/* Cancel all event pollers: */
-#ifdef EPOLL_CTL_DISABLE
-	for (index = 0; index < n_epoll_items; ++index) {
-		pthread_mutex_lock(&epoll_items[index].mutex);
-		++epoll_items[index].stop;
-		if (epoll_ctl(epoll_set,
-			      EPOLL_CTL_DISABLE,
-			      epoll_items[index].fd,
-			      NULL) == 0)
-			delete_item(index);
-		else if (errno != EBUSY) {
-			pthread_mutex_unlock(&epoll_items[index].mutex);
-			goto error;
-		}
-		/* EBUSY means events were being handled; allow the other thread
-		   to delete the item. */
-		pthread_mutex_unlock(&epoll_items[index].mutex);
-	}
-#else
-	for (index = 0; index < n_epoll_items; ++index) {
-		pthread_mutex_lock(&epoll_items[index].mutex);
-		++epoll_items[index].stop;
-		pthread_mutex_unlock(&epoll_items[index].mutex);
-		/* Wait in case a thread running read_thread_function is
-		   currently executing code between epoll_wait and
-		   pthread_mutex_lock with this item. Note that a longer delay
-		   would make double-deletion less likely (at the expense of
-		   performance), but there is no guarantee that any delay would
-		   ever be sufficient. Note also that we delete all event
-		   pollers at once for testing purposes, but in a real-world
-		   environment we are likely to want to be able to cancel event
-		   pollers at arbitrary times. Therefore we can't improve this
-		   situation by just splitting this loop into two loops
-		   (i.e. signal 'stop' for all items, sleep, and then delete all
-		   items). We also can't fix the problem via EPOLL_CTL_DEL
-		   because that command can't prevent the case where some other
-		   thread is executing read_thread_function within the region
-		   mentioned above: */
-		usleep(1);
-		pthread_mutex_lock(&epoll_items[index].mutex);
-		if (!epoll_items[index].deleted)
-			delete_item(index);
-		pthread_mutex_unlock(&epoll_items[index].mutex);
-	}
-#endif
-
-	/* Shut down the read threads: */
-	for (index = 0; index < n_read_threads; ++index)
-		__sync_fetch_and_add(&read_thread_data[index].stop, 1);
-	for (index = 0; index < n_read_threads; ++index) {
-		if (pthread_join(read_threads[index], NULL) != 0)
-			goto error;
-		if (read_thread_data[index].status)
-			goto error;
-	}
-
-	/* Shut down the write thread: */
-	__sync_fetch_and_add(&write_thread_data.stop, 1);
-	if ((pthread_join(write_thread, NULL) != 0) || write_thread_data.status)
-		goto error;
-
-	/* Check for final error conditions: */
-	for (index = 0; index < n_epoll_items; ++index) {
-		if (epoll_items[index].status != 0)
-			goto error;
-		if (pthread_mutex_destroy(&epoll_items[index].mutex) < 0)
-			goto error;
-	}
-	for (index = 0; index < n_epoll_items; ++index)
-		if (epoll_items[index].deleted != 1) {
-			printf("Error: item data deleted %1d times.\n",
-				   epoll_items[index].deleted);
-			goto error;
-		}
-
-	printf("[PASS]\n");
-	return 0;
-
- error:
-	printf("[FAIL]\n");
-	return errno;
-}
diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c
index cd1b03e80899..b76edf2f8333 100644
--- a/tools/vm/page-types.c
+++ b/tools/vm/page-types.c
@@ -35,7 +35,7 @@
 #include <sys/mount.h>
 #include <sys/statfs.h>
 #include "../../include/uapi/linux/magic.h"
-#include "../../include/linux/kernel-page-flags.h"
+#include "../../include/uapi/linux/kernel-page-flags.h"
 
 
 #ifndef MAX_PATH