Merge branch 'perf/core' of ssh://k/pub/scm/linux/kernel/git/acme/linux into perf/core

13 files changed, 245 insertions, 110 deletions

diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 86c87e2..c6068cb 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -115,10 +115,10 @@ OPTIONS
 -f::
 --fields::
         Comma separated list of fields to print. Options are:
-        comm, tid, pid, time, cpu, event, trace, sym. Field
-        list can be prepended with the type, trace, sw or hw,
+        comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr.
+        Field list can be prepended with the type, trace, sw or hw,
         to indicate to which event type the field list applies.
-        e.g., -f sw:comm,tid,time,sym  and -f trace:time,cpu,trace
+        e.g., -f sw:comm,tid,time,ip,sym  and -f trace:time,cpu,trace
 
 		perf script -f <fields>
 
@@ -132,17 +132,17 @@ OPTIONS
 	The arguments are processed in the order received. A later usage can
 	reset a prior request. e.g.:
     
-		-f trace: -f comm,tid,time,sym
+		-f trace: -f comm,tid,time,ip,sym
     
 	The first -f suppresses trace events (field list is ""), but then the
-	second invocation sets the fields to comm,tid,time,sym. In this case a
+	second invocation sets the fields to comm,tid,time,ip,sym. In this case a
 	warning is given to the user:
     
 		"Overriding previous field request for all events."
     
 	Alternativey, consider the order:
     
-		-f comm,tid,time,sym -f trace:
+		-f comm,tid,time,ip,sym -f trace:
     
 	The first -f sets the fields for all events and the second -f
 	suppresses trace events. The user is given a warning message about
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 22747de..3056b45 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -30,7 +30,10 @@ enum perf_output_field {
 	PERF_OUTPUT_CPU             = 1U << 4,
 	PERF_OUTPUT_EVNAME          = 1U << 5,
 	PERF_OUTPUT_TRACE           = 1U << 6,
-	PERF_OUTPUT_SYM             = 1U << 7,
+	PERF_OUTPUT_IP              = 1U << 7,
+	PERF_OUTPUT_SYM             = 1U << 8,
+	PERF_OUTPUT_DSO             = 1U << 9,
+	PERF_OUTPUT_ADDR            = 1U << 10,
 };
 
 struct output_option {
@@ -44,7 +47,10 @@ struct output_option {
 	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
 	{.str = "event", .field = PERF_OUTPUT_EVNAME},
 	{.str = "trace", .field = PERF_OUTPUT_TRACE},
+	{.str = "ip",    .field = PERF_OUTPUT_IP},
 	{.str = "sym",   .field = PERF_OUTPUT_SYM},
+	{.str = "dso",   .field = PERF_OUTPUT_DSO},
+	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
 };
 
 /* default set to maintain compatibility with current format */
@@ -60,7 +66,8 @@ static struct {
 
 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
-			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM,
+			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+				  PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
 
 		.invalid_fields = PERF_OUTPUT_TRACE,
 	},
@@ -70,7 +77,8 @@ static struct {
 
 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
-			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM,
+			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+				  PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
 
 		.invalid_fields = PERF_OUTPUT_TRACE,
 	},
@@ -88,7 +96,8 @@ static struct {
 
 		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
-			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_SYM,
+			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
+				  PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
 
 		.invalid_fields = PERF_OUTPUT_TRACE,
 	},
@@ -157,9 +166,9 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
 		!perf_session__has_traces(session, "record -R"))
 		return -EINVAL;
 
-	if (PRINT_FIELD(SYM)) {
+	if (PRINT_FIELD(IP)) {
 		if (perf_event_attr__check_stype(attr, PERF_SAMPLE_IP, "IP",
-					   PERF_OUTPUT_SYM))
+					   PERF_OUTPUT_IP))
 			return -EINVAL;
 
 		if (!no_callchain &&
@@ -167,6 +176,24 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
 			symbol_conf.use_callchain = false;
 	}
 
+	if (PRINT_FIELD(ADDR) &&
+		perf_event_attr__check_stype(attr, PERF_SAMPLE_ADDR, "ADDR",
+				       PERF_OUTPUT_ADDR))
+		return -EINVAL;
+
+	if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
+		pr_err("Display of symbols requested but neither sample IP nor "
+			   "sample address\nis selected. Hence, no addresses to convert "
+		       "to symbols.\n");
+		return -EINVAL;
+	}
+	if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
+		pr_err("Display of DSO requested but neither sample IP nor "
+			   "sample address\nis selected. Hence, no addresses to convert "
+		       "to DSO.\n");
+		return -EINVAL;
+	}
+
 	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 		perf_event_attr__check_stype(attr, PERF_SAMPLE_TID, "TID",
 				       PERF_OUTPUT_TID|PERF_OUTPUT_PID))
@@ -230,7 +257,7 @@ static void print_sample_start(struct perf_sample *sample,
 	if (PRINT_FIELD(COMM)) {
 		if (latency_format)
 			printf("%8.8s ", thread->comm);
-		else if (PRINT_FIELD(SYM) && symbol_conf.use_callchain)
+		else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
 			printf("%s ", thread->comm);
 		else
 			printf("%16s ", thread->comm);
@@ -271,6 +298,63 @@ static void print_sample_start(struct perf_sample *sample,
 	}
 }
 
+static bool sample_addr_correlates_sym(struct perf_event_attr *attr)
+{
+	if ((attr->type == PERF_TYPE_SOFTWARE) &&
+	    ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) ||
+	     (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) ||
+	     (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ)))
+		return true;
+
+	return false;
+}
+
+static void print_sample_addr(union perf_event *event,
+			  struct perf_sample *sample,
+			  struct perf_session *session,
+			  struct thread *thread,
+			  struct perf_event_attr *attr)
+{
+	struct addr_location al;
+	u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+	const char *symname, *dsoname;
+
+	printf("%16" PRIx64, sample->addr);
+
+	if (!sample_addr_correlates_sym(attr))
+		return;
+
+	thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION,
+			      event->ip.pid, sample->addr, &al);
+	if (!al.map)
+		thread__find_addr_map(thread, session, cpumode, MAP__VARIABLE,
+				      event->ip.pid, sample->addr, &al);
+
+	al.cpu = sample->cpu;
+	al.sym = NULL;
+
+	if (al.map)
+		al.sym = map__find_symbol(al.map, al.addr, NULL);
+
+	if (PRINT_FIELD(SYM)) {
+		if (al.sym && al.sym->name)
+			symname = al.sym->name;
+		else
+			symname = "";
+
+		printf(" %16s", symname);
+	}
+
+	if (PRINT_FIELD(DSO)) {
+		if (al.map && al.map->dso && al.map->dso->name)
+			dsoname = al.map->dso->name;
+		else
+			dsoname = "";
+
+		printf(" (%s)", dsoname);
+	}
+}
+
 static void process_event(union perf_event *event __unused,
 			  struct perf_sample *sample,
 			  struct perf_evsel *evsel,
@@ -288,12 +372,16 @@ static void process_event(union perf_event *event __unused,
 		print_trace_event(sample->cpu, sample->raw_data,
 				  sample->raw_size);
 
-	if (PRINT_FIELD(SYM)) {
+	if (PRINT_FIELD(ADDR))
+		print_sample_addr(event, sample, session, thread, attr);
+
+	if (PRINT_FIELD(IP)) {
 		if (!symbol_conf.use_callchain)
 			printf(" ");
 		else
 			printf("\n");
-		perf_session__print_symbols(event, sample, session);
+		perf_session__print_ip(event, sample, session,
+					      PRINT_FIELD(SYM), PRINT_FIELD(DSO));
 	}
 
 	printf("\n");
@@ -985,7 +1073,7 @@ static const struct option options[] = {
 	OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
 		    "Look for files with symbols relative to this directory"),
 	OPT_CALLBACK('f', "fields", NULL, "str",
-		     "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,sym",
+		     "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,addr",
 		     parse_output_fields),
 
 	OPT_END()
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index a9f0671..784ed6d 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -61,6 +61,8 @@
 #include <locale.h>
 
 #define DEFAULT_SEPARATOR	" "
+#define CNTR_NOT_SUPPORTED	"<not supported>"
+#define CNTR_NOT_COUNTED	"<not counted>"
 
 static struct perf_event_attr default_attrs[] = {
 
@@ -448,6 +450,7 @@ static int run_perf_stat(int argc __used, const char **argv)
 				if (verbose)
 					ui__warning("%s event is not supported by the kernel.\n",
 						    event_name(counter));
+				counter->supported = false;
 				continue;
 			}
 
@@ -466,6 +469,7 @@ static int run_perf_stat(int argc __used, const char **argv)
 			die("Not all events could be opened.\n");
 			return -1;
 		}
+		counter->supported = true;
 	}
 
 	if (perf_evlist__set_filters(evsel_list)) {
@@ -861,7 +865,7 @@ static void print_counter_aggr(struct perf_evsel *counter)
 	if (scaled == -1) {
 		fprintf(stderr, "%*s%s%*s",
 			csv_output ? 0 : 18,
-			"<not counted>",
+			counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
 			csv_sep,
 			csv_output ? 0 : -24,
 			event_name(counter));
@@ -914,7 +918,8 @@ static void print_counter(struct perf_evsel *counter)
 				csv_output ? 0 : -4,
 				evsel_list->cpus->map[cpu], csv_sep,
 				csv_output ? 0 : 18,
-				"<not counted>", csv_sep,
+				counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
+				csv_sep,
 				csv_output ? 0 : -24,
 				event_name(counter));
 
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index b671862..2da9162 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -474,7 +474,7 @@ static int test__basic_mmap(void)
 	unsigned int nr_events[nsyscalls],
 		     expected_nr_events[nsyscalls], i, j;
 	struct perf_evsel *evsels[nsyscalls], *evsel;
-	int sample_size = perf_sample_size(attr.sample_type);
+	int sample_size = __perf_evsel__sample_size(attr.sample_type);
 
 	for (i = 0; i < nsyscalls; ++i) {
 		char name[64];
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 0fe9adf..3c1b8a6 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -35,22 +35,6 @@ const char *perf_event__name(unsigned int id)
 	return perf_event__names[id];
 }
 
-int perf_sample_size(u64 sample_type)
-{
-	u64 mask = sample_type & PERF_SAMPLE_MASK;
-	int size = 0;
-	int i;
-
-	for (i = 0; i < 64; i++) {
-		if (mask & (1ULL << i))
-			size++;
-	}
-
-	size *= sizeof(u64);
-
-	return size;
-}
-
 static struct perf_sample synth_sample = {
 	.pid	   = -1,
 	.tid	   = -1,
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index c083328..1d7f664 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -82,8 +82,6 @@ struct perf_sample {
 	struct ip_callchain *callchain;
 };
 
-int perf_sample_size(u64 sample_type);
-
 #define BUILD_ID_SIZE 20
 
 struct build_id_event {
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 50aa348..b021ea9 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -12,7 +12,6 @@
 #include "evlist.h"
 #include "evsel.h"
 #include "util.h"
-#include "debug.h"
 
 #include <sys/mman.h>
 
@@ -257,19 +256,15 @@ int perf_evlist__alloc_mmap(struct perf_evlist *evlist)
 	return evlist->mmap != NULL ? 0 : -ENOMEM;
 }
 
-static int __perf_evlist__mmap(struct perf_evlist *evlist, struct perf_evsel *evsel,
+static int __perf_evlist__mmap(struct perf_evlist *evlist,
 			       int idx, int prot, int mask, int fd)
 {
 	evlist->mmap[idx].prev = 0;
 	evlist->mmap[idx].mask = mask;
 	evlist->mmap[idx].base = mmap(NULL, evlist->mmap_len, prot,
 				      MAP_SHARED, fd, 0);
-	if (evlist->mmap[idx].base == MAP_FAILED) {
-		if (evlist->cpus->map[idx] == -1 && evsel->attr.inherit)
-			ui__warning("Inherit is not allowed on per-task "
-				    "events using mmap.\n");
+	if (evlist->mmap[idx].base == MAP_FAILED)
 		return -1;
-	}
 
 	perf_evlist__add_pollfd(evlist, fd);
 	return 0;
@@ -289,7 +284,7 @@ static int perf_evlist__mmap_per_cpu(struct perf_evlist *evlist, int prot, int m
 
 				if (output == -1) {
 					output = fd;
-					if (__perf_evlist__mmap(evlist, evsel, cpu,
+					if (__perf_evlist__mmap(evlist, cpu,
 								prot, mask, output) < 0)
 						goto out_unmap;
 				} else {
@@ -329,7 +324,7 @@ static int perf_evlist__mmap_per_thread(struct perf_evlist *evlist, int prot, in
 
 			if (output == -1) {
 				output = fd;
-				if (__perf_evlist__mmap(evlist, evsel, thread,
+				if (__perf_evlist__mmap(evlist, thread,
 							prot, mask, output) < 0)
 					goto out_unmap;
 			} else {
@@ -460,33 +455,46 @@ int perf_evlist__set_filters(struct perf_evlist *evlist)
 	return 0;
 }
 
-u64 perf_evlist__sample_type(struct perf_evlist *evlist)
+bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist)
 {
-	struct perf_evsel *pos;
-	u64 type = 0;
-
-	list_for_each_entry(pos, &evlist->entries, node) {
-		if (!type)
-			type = pos->attr.sample_type;
-		else if (type != pos->attr.sample_type)
-			die("non matching sample_type");
+	struct perf_evsel *pos, *first;
+
+	pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);
+
+	list_for_each_entry_continue(pos, &evlist->entries, node) {
+		if (first->attr.sample_type != pos->attr.sample_type)
+			return false;
 	}
 
-	return type;
+	return true;
 }
 
-bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)
+u64 perf_evlist__sample_type(const struct perf_evlist *evlist)
+{
+	struct perf_evsel *first;
+
+	first = list_entry(evlist->entries.next, struct perf_evsel, node);
+	return first->attr.sample_type;
+}
+
+bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist)
 {
-	bool value = false, first = true;
-	struct perf_evsel *pos;
-
-	list_for_each_entry(pos, &evlist->entries, node) {
-		if (first) {
-			value = pos->attr.sample_id_all;
-			first = false;
-		} else if (value != pos->attr.sample_id_all)
-			die("non matching sample_id_all");
+	struct perf_evsel *pos, *first;
+
+	pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);
+
+	list_for_each_entry_continue(pos, &evlist->entries, node) {
+		if (first->attr.sample_id_all != pos->attr.sample_id_all)
+			return false;
 	}
 
-	return value;
+	return true;
+}
+
+bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)
+{
+	struct perf_evsel *first;
+
+	first = list_entry(evlist->entries.next, struct perf_evsel, node);
+	return first->attr.sample_id_all;
 }
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 0a1ef1f..b2b8623 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -66,7 +66,9 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
 void perf_evlist__delete_maps(struct perf_evlist *evlist);
 int perf_evlist__set_filters(struct perf_evlist *evlist);
 
-u64 perf_evlist__sample_type(struct perf_evlist *evlist);
-bool perf_evlist__sample_id_all(const struct perf_evlist *evlist);
+u64 perf_evlist__sample_type(const struct perf_evlist *evlist);
+bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist);
 
+bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist);
+bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist);
 #endif /* __PERF_EVLIST_H */
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index cca29ed..a03a36b 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -15,6 +15,22 @@
 
 #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
 
+int __perf_evsel__sample_size(u64 sample_type)
+{
+	u64 mask = sample_type & PERF_SAMPLE_MASK;
+	int size = 0;
+	int i;
+
+	for (i = 0; i < 64; i++) {
+		if (mask & (1ULL << i))
+			size++;
+	}
+
+	size *= sizeof(u64);
+
+	return size;
+}
+
 void perf_evsel__init(struct perf_evsel *evsel,
 		      struct perf_event_attr *attr, int idx)
 {
@@ -361,6 +377,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type,
 		array++;
 	}
 
+	data->addr = 0;
 	if (type & PERF_SAMPLE_ADDR) {
 		data->addr = *array;
 		array++;
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index f79bb2c..e9a3155 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -61,6 +61,7 @@ struct perf_evsel {
 		off_t		id_offset;
 	};
 	struct cgroup_sel	*cgrp;
+	bool 			supported;
 };
 
 struct cpu_map;
@@ -149,4 +150,11 @@ static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
 	return __perf_evsel__read(evsel, ncpus, nthreads, true);
 }
 
+int __perf_evsel__sample_size(u64 sample_type);
+
+static inline int perf_evsel__sample_size(struct perf_evsel *evsel)
+{
+	return __perf_evsel__sample_size(evsel->attr.sample_type);
+}
+
 #endif /* __PERF_EVSEL_H */
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 69436b3..8e0b5a3 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -247,7 +247,7 @@ struct pyrf_cpu_map {
 static int pyrf_cpu_map__init(struct pyrf_cpu_map *pcpus,
 			      PyObject *args, PyObject *kwargs)
 {
-	static char *kwlist[] = { "cpustr", NULL, NULL, };
+	static char *kwlist[] = { "cpustr", NULL };
 	char *cpustr = NULL;
 
 	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|s",
@@ -316,7 +316,7 @@ struct pyrf_thread_map {
 static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads,
 				 PyObject *args, PyObject *kwargs)
 {
-	static char *kwlist[] = { "pid", "tid", NULL, NULL, };
+	static char *kwlist[] = { "pid", "tid", NULL };
 	int pid = -1, tid = -1;
 
 	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii",
@@ -418,7 +418,9 @@ static int pyrf_evsel__init(struct pyrf_evsel *pevsel,
 		"wakeup_events",
 		"bp_type",
 		"bp_addr",
-		"bp_len", NULL, NULL, };
+		"bp_len",
+		 NULL
+	};
 	u64 sample_period = 0;
 	u32 disabled = 0,
 	    inherit = 0,
@@ -499,7 +501,7 @@ static PyObject *pyrf_evsel__open(struct pyrf_evsel *pevsel,
 	struct thread_map *threads = NULL;
 	PyObject *pcpus = NULL, *pthreads = NULL;
 	int group = 0, inherit = 0;
-	static char *kwlist[] = {"cpus", "threads", "group", "inherit", NULL, NULL};
+	static char *kwlist[] = { "cpus", "threads", "group", "inherit", NULL };
 
 	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OOii", kwlist,
 					 &pcpus, &pthreads, &group, &inherit))
@@ -582,8 +584,7 @@ static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist,
 				   PyObject *args, PyObject *kwargs)
 {
 	struct perf_evlist *evlist = &pevlist->evlist;
-	static char *kwlist[] = {"pages", "overwrite",
-				  NULL, NULL};
+	static char *kwlist[] = { "pages", "overwrite", NULL };
 	int pages = 128, overwrite = false;
 
 	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist,
@@ -603,7 +604,7 @@ static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist,
 				   PyObject *args, PyObject *kwargs)
 {
 	struct perf_evlist *evlist = &pevlist->evlist;
-	static char *kwlist[] = {"timeout", NULL, NULL};
+	static char *kwlist[] = { "timeout", NULL };
 	int timeout = -1, n;
 
 	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|i", kwlist, &timeout))
@@ -674,7 +675,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
 	struct perf_evlist *evlist = &pevlist->evlist;
 	union perf_event *event;
 	int sample_id_all = 1, cpu;
-	static char *kwlist[] = {"sample_id_all", NULL, NULL};
+	static char *kwlist[] = { "cpu", "sample_id_all", NULL };
 	int err;
 
 	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist,
@@ -692,16 +693,14 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
 
 		first = list_entry(evlist->entries.next, struct perf_evsel, node);
 		err = perf_event__parse_sample(event, first->attr.sample_type,
-					       perf_sample_size(first->attr.sample_type),
+					       perf_evsel__sample_size(first),
 					       sample_id_all, &pevent->sample);
-		if (err) {
-			pr_err("Can't parse sample, err = %d\n", err);
-			goto end;
-		}
-
+		if (err)
+			return PyErr_Format(PyExc_OSError,
+					    "perf: can't parse sample, err=%d", err);
 		return pyevent;
 	}
-end:
+
 	Py_INCREF(Py_None);
 	return Py_None;
 }
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 64500fc..b723f21 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -58,6 +58,16 @@ static int perf_session__open(struct perf_session *self, bool force)
 		goto out_close;
 	}
 
+	if (!perf_evlist__valid_sample_type(self->evlist)) {
+		pr_err("non matching sample_type");
+		goto out_close;
+	}
+
+	if (!perf_evlist__valid_sample_id_all(self->evlist)) {
+		pr_err("non matching sample_id_all");
+		goto out_close;
+	}
+
 	self->size = input_stat.st_size;
 	return 0;
 
@@ -97,7 +107,7 @@ out:
 void perf_session__update_sample_type(struct perf_session *self)
 {
 	self->sample_type = perf_evlist__sample_type(self->evlist);
-	self->sample_size = perf_sample_size(self->sample_type);
+	self->sample_size = __perf_evsel__sample_size(self->sample_type);
 	self->sample_id_all = perf_evlist__sample_id_all(self->evlist);
 	perf_session__id_header_size(self);
 }
@@ -698,9 +708,9 @@ static void dump_sample(struct perf_session *session, union perf_event *event,
 	if (!dump_trace)
 		return;
 
-	printf("(IP, %d): %d/%d: %#" PRIx64 " period: %" PRIu64 "\n",
+	printf("(IP, %d): %d/%d: %#" PRIx64 " period: %" PRIu64 " addr: %#" PRIx64 "\n",
 	       event->header.misc, sample->pid, sample->tid, sample->ip,
-	       sample->period);
+	       sample->period, sample->addr);
 
 	if (session->sample_type & PERF_SAMPLE_CALLCHAIN)
 		callchain__printf(sample);
@@ -1192,9 +1202,10 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
 	return NULL;
 }
 
-void perf_session__print_symbols(union perf_event *event,
-				struct perf_sample *sample,
-				struct perf_session *session)
+void perf_session__print_ip(union perf_event *event,
+			    struct perf_sample *sample,
+			    struct perf_session *session,
+			    int print_sym, int print_dso)
 {
 	struct addr_location al;
 	const char *symname, *dsoname;
@@ -1223,32 +1234,46 @@ void perf_session__print_symbols(union perf_event *event,
 			if (!node)
 				break;
 
-			if (node->sym && node->sym->name)
-				symname = node->sym->name;
-			else
-				symname = "";
+			printf("\t%16" PRIx64, node->ip);
+			if (print_sym) {
+				if (node->sym && node->sym->name)
+					symname = node->sym->name;
+				else
+					symname = "";
 
-			if (node->map && node->map->dso && node->map->dso->name)
-				dsoname = node->map->dso->name;
-			else
-				dsoname = "";
+				printf(" %s", symname);
+			}
+			if (print_dso) {
+				if (node->map && node->map->dso && node->map->dso->name)
+					dsoname = node->map->dso->name;
+				else
+					dsoname = "";
 
-			printf("\t%16" PRIx64 " %s (%s)\n", node->ip, symname, dsoname);
+				printf(" (%s)", dsoname);
+			}
+			printf("\n");
 
 			callchain_cursor_advance(cursor);
 		}
 
 	} else {
-		if (al.sym && al.sym->name)
-			symname = al.sym->name;
-		else
-			symname = "";
+		printf("%16" PRIx64, al.addr);
+		if (print_sym) {
+			if (al.sym && al.sym->name)
+				symname = al.sym->name;
+			else
+				symname = "";
 
-		if (al.map && al.map->dso && al.map->dso->name)
-			dsoname = al.map->dso->name;
-		else
-			dsoname = "";
+			printf(" %s", symname);
+		}
 
-		printf("%16" PRIx64 " %s (%s)", al.addr, symname, dsoname);
+		if (print_dso) {
+			if (al.map && al.map->dso && al.map->dso->name)
+				dsoname = al.map->dso->name;
+			else
+				dsoname = "";
+
+			printf(" (%s)", dsoname);
+		}
 	}
 }
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 66d4e14..de4178d 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -167,8 +167,9 @@ static inline int perf_session__parse_sample(struct perf_session *session,
 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
 					    unsigned int type);
 
-void perf_session__print_symbols(union perf_event *event,
+void perf_session__print_ip(union perf_event *event,
 				 struct perf_sample *sample,
-				 struct perf_session *session);
+				 struct perf_session *session,
+				 int print_sym, int print_dso);
 
 #endif /* __PERF_SESSION_H */