X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Ftools%2Fperf%2Futil%2Fhist.c;h=4fd37d6708cb973d2653c1ec4f6f17b086c712d0;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=cc22b9158b93c41fd0d44cd451ba189c56bc19dd;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/kernel/tools/perf/util/hist.c b/kernel/tools/perf/util/hist.c
index cc22b9158..4fd37d670 100644
--- a/kernel/tools/perf/util/hist.c
+++ b/kernel/tools/perf/util/hist.c
@@ -15,6 +15,8 @@ static bool hists__filter_entry_by_thread(struct hists *hists,
 					  struct hist_entry *he);
 static bool hists__filter_entry_by_symbol(struct hists *hists,
 					  struct hist_entry *he);
+static bool hists__filter_entry_by_socket(struct hists *hists,
+					  struct hist_entry *he);
 
 u16 hists__col_len(struct hists *hists, enum hist_column col)
 {
@@ -130,6 +132,18 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 			hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL,
 					   symlen);
 		}
+
+		if (h->mem_info->iaddr.sym) {
+			symlen = (int)h->mem_info->iaddr.sym->namelen + 4
+			       + unresolved_col_width + 2;
+			hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL,
+					   symlen);
+		} else {
+			symlen = unresolved_col_width + 4 + 2;
+			hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL,
+					   symlen);
+		}
+
 		if (h->mem_info->daddr.map) {
 			symlen = dso__name_len(h->mem_info->daddr.map->dso);
 			hists__new_col_len(hists, HISTC_MEM_DADDR_DSO,
@@ -141,9 +155,12 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 	} else {
 		symlen = unresolved_col_width + 4 + 2;
 		hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, symlen);
+		hists__new_col_len(hists, HISTC_MEM_IADDR_SYMBOL, symlen);
 		hists__set_unres_dso_col_len(hists, HISTC_MEM_DADDR_DSO);
 	}
 
+	hists__new_col_len(hists, HISTC_CPU, 3);
+	hists__new_col_len(hists, HISTC_SOCKET, 6);
 	hists__new_col_len(hists, HISTC_MEM_LOCKED, 6);
 	hists__new_col_len(hists, HISTC_MEM_TLB, 22);
 	hists__new_col_len(hists, HISTC_MEM_SNOOP, 12);
@@ -151,6 +168,12 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
 	hists__new_col_len(hists, HISTC_LOCAL_WEIGHT, 12);
 	hists__new_col_len(hists, HISTC_GLOBAL_WEIGHT, 12);
 
+	if (h->srcline)
+		hists__new_col_len(hists, HISTC_SRCLINE, strlen(h->srcline));
+
+	if (h->srcfile)
+		hists__new_col_len(hists, HISTC_SRCFILE, strlen(h->srcfile));
+
 	if (h->transaction)
 		hists__new_col_len(hists, HISTC_TRANSACTION,
 				   hist_entry__transaction_len());
@@ -313,8 +336,7 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template,
 				memset(&he->stat, 0, sizeof(he->stat));
 		}
 
-		if (he->ms.map)
-			he->ms.map->referenced = true;
+		map__get(he->ms.map);
 
 		if (he->branch_info) {
 			/*
@@ -324,6 +346,7 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template,
 			 */
 			he->branch_info = malloc(sizeof(*he->branch_info));
 			if (he->branch_info == NULL) {
+				map__zput(he->ms.map);
 				free(he->stat_acc);
 				free(he);
 				return NULL;
@@ -332,17 +355,13 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template,
 			memcpy(he->branch_info, template->branch_info,
 			       sizeof(*he->branch_info));
 
-			if (he->branch_info->from.map)
-				he->branch_info->from.map->referenced = true;
-			if (he->branch_info->to.map)
-				he->branch_info->to.map->referenced = true;
+			map__get(he->branch_info->from.map);
+			map__get(he->branch_info->to.map);
 		}
 
 		if (he->mem_info) {
-			if (he->mem_info->iaddr.map)
-				he->mem_info->iaddr.map->referenced = true;
-			if (he->mem_info->daddr.map)
-				he->mem_info->daddr.map->referenced = true;
+			map__get(he->mem_info->iaddr.map);
+			map__get(he->mem_info->daddr.map);
 		}
 
 		if (symbol_conf.use_callchain)
@@ -362,10 +381,10 @@ static u8 symbol__parent_filter(const struct symbol *parent)
 	return 0;
 }
 
-static struct hist_entry *add_hist_entry(struct hists *hists,
-					 struct hist_entry *entry,
-					 struct addr_location *al,
-					 bool sample_self)
+static struct hist_entry *hists__findnew_entry(struct hists *hists,
+					       struct hist_entry *entry,
+					       struct addr_location *al,
+					       bool sample_self)
 {
 	struct rb_node **p;
 	struct rb_node *parent = NULL;
@@ -407,9 +426,8 @@ static struct hist_entry *add_hist_entry(struct hists *hists,
 			 * the history counter to increment.
 			 */
 			if (he->ms.map != entry->ms.map) {
-				he->ms.map = entry->ms.map;
-				if (he->ms.map)
-					he->ms.map->referenced = true;
+				map__put(he->ms.map);
+				he->ms.map = map__get(entry->ms.map);
 			}
 			goto out;
 		}
@@ -451,6 +469,7 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
 			.map	= al->map,
 			.sym	= al->sym,
 		},
+		.socket	 = al->socket,
 		.cpu	 = al->cpu,
 		.cpumode = al->cpumode,
 		.ip	 = al->addr,
@@ -468,7 +487,7 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
 		.transaction = transaction,
 	};
 
-	return add_hist_entry(hists, &entry, al, sample_self);
+	return hists__findnew_entry(hists, &entry, al, sample_self);
 }
 
 static int
@@ -548,9 +567,9 @@ iter_finish_mem_entry(struct hist_entry_iter *iter,
 
 out:
 	/*
-	 * We don't need to free iter->priv (mem_info) here since
-	 * the mem info was either already freed in add_hist_entry() or
-	 * passed to a new hist entry by hist_entry__new().
+	 * We don't need to free iter->priv (mem_info) here since the mem info
+	 * was either already freed in hists__findnew_entry() or passed to a
+	 * new hist entry by hist_entry__new().
 	 */
 	iter->priv = NULL;
 
@@ -623,7 +642,8 @@ iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *a
 	 * and not events sampled. Thus we use a pseudo period of 1.
 	 */
 	he = __hists__add_entry(hists, al, iter->parent, &bi[i], NULL,
-				1, 1, 0, true);
+				1, bi->flags.cycles ? bi->flags.cycles : 1,
+				0, true);
 	if (he == NULL)
 		return -ENOMEM;
 
@@ -688,7 +708,7 @@ iter_finish_normal_entry(struct hist_entry_iter *iter,
 }
 
 static int
-iter_prepare_cumulative_entry(struct hist_entry_iter *iter __maybe_unused,
+iter_prepare_cumulative_entry(struct hist_entry_iter *iter,
 			      struct addr_location *al __maybe_unused)
 {
 	struct hist_entry **he_cache;
@@ -700,7 +720,7 @@ iter_prepare_cumulative_entry(struct hist_entry_iter *iter __maybe_unused,
 	 * cumulated only one time to prevent entries more than 100%
 	 * overhead.
 	 */
-	he_cache = malloc(sizeof(*he_cache) * (PERF_MAX_STACK_DEPTH + 1));
+	he_cache = malloc(sizeof(*he_cache) * (iter->max_stack + 1));
 	if (he_cache == NULL)
 		return -ENOMEM;
 
@@ -765,6 +785,7 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
 	struct hist_entry **he_cache = iter->priv;
 	struct hist_entry *he;
 	struct hist_entry he_tmp = {
+		.hists = evsel__hists(evsel),
 		.cpu = al->cpu,
 		.thread = al->thread,
 		.comm = thread__comm(al->thread),
@@ -851,18 +872,16 @@ const struct hist_iter_ops hist_iter_cumulative = {
 };
 
 int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
-			 struct perf_evsel *evsel, struct perf_sample *sample,
 			 int max_stack_depth, void *arg)
 {
 	int err, err2;
 
-	err = sample__resolve_callchain(sample, &iter->parent, evsel, al,
-					max_stack_depth);
+	err = sample__resolve_callchain(iter->sample, &iter->parent,
+					iter->evsel, al, max_stack_depth);
 	if (err)
 		return err;
 
-	iter->evsel = evsel;
-	iter->sample = sample;
+	iter->max_stack = max_stack_depth;
 
 	err = iter->ops->prepare_entry(iter, al);
 	if (err)
@@ -937,10 +956,24 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
 void hist_entry__delete(struct hist_entry *he)
 {
 	thread__zput(he->thread);
-	zfree(&he->branch_info);
-	zfree(&he->mem_info);
+	map__zput(he->ms.map);
+
+	if (he->branch_info) {
+		map__zput(he->branch_info->from.map);
+		map__zput(he->branch_info->to.map);
+		zfree(&he->branch_info);
+	}
+
+	if (he->mem_info) {
+		map__zput(he->mem_info->iaddr.map);
+		map__zput(he->mem_info->daddr.map);
+		zfree(&he->mem_info);
+	}
+
 	zfree(&he->stat_acc);
 	free_srcline(he->srcline);
+	if (he->srcfile && he->srcfile[0])
+		free(he->srcfile);
 	free_callchain(he->callchain);
 	free(he);
 }
@@ -1011,6 +1044,7 @@ static void hists__apply_filters(struct hists *hists, struct hist_entry *he)
 	hists__filter_entry_by_dso(hists, he);
 	hists__filter_entry_by_thread(hists, he);
 	hists__filter_entry_by_symbol(hists, he);
+	hists__filter_entry_by_socket(hists, he);
 }
 
 void hists__collapse_resort(struct hists *hists, struct ui_progress *prog)
@@ -1096,13 +1130,14 @@ void hists__inc_stats(struct hists *hists, struct hist_entry *h)
 
 static void __hists__insert_output_entry(struct rb_root *entries,
 					 struct hist_entry *he,
-					 u64 min_callchain_hits)
+					 u64 min_callchain_hits,
+					 bool use_callchain)
 {
 	struct rb_node **p = &entries->rb_node;
 	struct rb_node *parent = NULL;
 	struct hist_entry *iter;
 
-	if (symbol_conf.use_callchain)
+	if (use_callchain)
 		callchain_param.sort(&he->sorted_chain, he->callchain,
 				      min_callchain_hits, &callchain_param);
 
@@ -1126,6 +1161,13 @@ void hists__output_resort(struct hists *hists, struct ui_progress *prog)
 	struct rb_node *next;
 	struct hist_entry *n;
 	u64 min_callchain_hits;
+	struct perf_evsel *evsel = hists_to_evsel(hists);
+	bool use_callchain;
+
+	if (evsel && symbol_conf.use_callchain && !symbol_conf.show_ref_callgraph)
+		use_callchain = evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN;
+	else
+		use_callchain = symbol_conf.use_callchain;
 
 	min_callchain_hits = hists->stats.total_period * (callchain_param.min_percent / 100);
 
@@ -1144,7 +1186,7 @@ void hists__output_resort(struct hists *hists, struct ui_progress *prog)
 		n = rb_entry(next, struct hist_entry, rb_node_in);
 		next = rb_next(&n->rb_node_in);
 
-		__hists__insert_output_entry(&hists->entries, n, min_callchain_hits);
+		__hists__insert_output_entry(&hists->entries, n, min_callchain_hits, use_callchain);
 		hists__inc_stats(hists, n);
 
 		if (!n->filtered)
@@ -1163,7 +1205,7 @@ static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h
 		return;
 
 	/* force fold unfiltered entry for simplicity */
-	h->ms.unfolded = false;
+	h->unfolded = false;
 	h->row_offset = 0;
 	h->nr_rows = 0;
 
@@ -1271,6 +1313,37 @@ void hists__filter_by_symbol(struct hists *hists)
 	}
 }
 
+static bool hists__filter_entry_by_socket(struct hists *hists,
+					  struct hist_entry *he)
+{
+	if ((hists->socket_filter > -1) &&
+	    (he->socket != hists->socket_filter)) {
+		he->filtered |= (1 << HIST_FILTER__SOCKET);
+		return true;
+	}
+
+	return false;
+}
+
+void hists__filter_by_socket(struct hists *hists)
+{
+	struct rb_node *nd;
+
+	hists->stats.nr_non_filtered_samples = 0;
+
+	hists__reset_filter_stats(hists);
+	hists__reset_col_len(hists);
+
+	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
+		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+
+		if (hists__filter_entry_by_socket(hists, h))
+			continue;
+
+		hists__remove_entry_filter(hists, h, HIST_FILTER__SOCKET);
+	}
+}
+
 void events_stats__inc(struct events_stats *stats, u32 type)
 {
 	++stats->nr_events[0];
@@ -1411,6 +1484,39 @@ int hists__link(struct hists *leader, struct hists *other)
 	return 0;
 }
 
+void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
+			  struct perf_sample *sample, bool nonany_branch_mode)
+{
+	struct branch_info *bi;
+
+	/* If we have branch cycles always annotate them. */
+	if (bs && bs->nr && bs->entries[0].flags.cycles) {
+		int i;
+
+		bi = sample__resolve_bstack(sample, al);
+		if (bi) {
+			struct addr_map_symbol *prev = NULL;
+
+			/*
+			 * Ignore errors, still want to process the
+			 * other entries.
+			 *
+			 * For non standard branch modes always
+			 * force no IPC (prev == NULL)
+			 *
+			 * Note that perf stores branches reversed from
+			 * program order!
+			 */
+			for (i = bs->nr - 1; i >= 0; i--) {
+				addr_map_symbol__account_cycles(&bi[i].from,
+					nonany_branch_mode ? NULL : prev,
+					bi[i].flags.cycles);
+				prev = &bi[i].to;
+			}
+			free(bi);
+		}
+	}
+}
 
 size_t perf_evlist__fprintf_nr_events(struct perf_evlist *evlist, FILE *fp)
 {
@@ -1463,6 +1569,7 @@ static int hists_evsel__init(struct perf_evsel *evsel)
 	hists->entries_collapsed = RB_ROOT;
 	hists->entries = RB_ROOT;
 	pthread_mutex_init(&hists->lock, NULL);
+	hists->socket_filter = -1;
 	return 0;
 }