diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index f6eb1cdafb7758162463b0ca8a25525f94c44d19..d146ba33d69114c676cd32f559b0e83cb7a3c02d 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -106,6 +106,26 @@ Default is to monitor all CPUS.
 --zero::
 	Zero history across display updates.
 
+-s::
+--sort::
+	Sort by key(s): pid, comm, dso, symbol, parent
+
+-n::
+--show-nr-samples::
+	Show a column with the number of samples.
+
+--show-total-period::
+	Show a column with the sum of periods.
+
+--dsos::
+	Only consider symbols in these dsos.
+
+--comms::
+	Only consider symbols in these comms.
+
+--symbols::
+	Only consider these symbols.
+
 INTERACTIVE PROMPTING KEYS
 --------------------------
 
@@ -130,9 +150,6 @@ INTERACTIVE PROMPTING KEYS
 [S]::
 	Stop annotation, return to full profile display.
 
-[w]::
-	Toggle between weighted sum and individual count[E]r profile.
-
 [z]::
 	Toggle event count zeroing across display updates.
 
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index e9d5c271db69378cc7c8a4d9d31428b25f7f26dd..37fe93019bc6f2750b2f663b1543729d74f6ff8c 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -466,7 +466,6 @@ else
 		LIB_OBJS += $(OUTPUT)util/ui/browsers/annotate.o
 		LIB_OBJS += $(OUTPUT)util/ui/browsers/hists.o
 		LIB_OBJS += $(OUTPUT)util/ui/browsers/map.o
-		LIB_OBJS += $(OUTPUT)util/ui/browsers/top.o
 		LIB_OBJS += $(OUTPUT)util/ui/helpline.o
 		LIB_OBJS += $(OUTPUT)util/ui/progress.o
 		LIB_OBJS += $(OUTPUT)util/ui/util.o
@@ -729,9 +728,6 @@ $(OUTPUT)util/ui/browser.o: util/ui/browser.c $(OUTPUT)PERF-CFLAGS
 $(OUTPUT)util/ui/browsers/annotate.o: util/ui/browsers/annotate.c $(OUTPUT)PERF-CFLAGS
 	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
 
-$(OUTPUT)util/ui/browsers/top.o: util/ui/browsers/top.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
-
 $(OUTPUT)util/ui/browsers/hists.o: util/ui/browsers/hists.c $(OUTPUT)PERF-CFLAGS
 	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
 
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 5ede7d7c9239921eb1145ef510145a5e2d97074f..2cf5e50a6997a1c84172306d3ec5f949acbff28e 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -5,6 +5,7 @@
  * any workload, CPU or specific PID.
  *
  * Copyright (C) 2008, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
+ *		 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
  *
  * Improvements and fixes by:
  *
@@ -36,6 +37,7 @@
 #include "util/parse-events.h"
 #include "util/cpumap.h"
 #include "util/xyarray.h"
+#include "util/sort.h"
 
 #include "util/debug.h"
 
@@ -65,12 +67,8 @@
 static struct perf_top top = {
 	.count_filter		= 5,
 	.delay_secs		= 2,
-	.display_weighted	= -1,
 	.target_pid		= -1,
 	.target_tid		= -1,
-	.active_symbols		= LIST_HEAD_INIT(top.active_symbols),
-	.active_symbols_lock	= PTHREAD_MUTEX_INITIALIZER,
-	.active_symbols_cond	= PTHREAD_COND_INITIALIZER,
 	.freq			= 1000, /* 1 KHz */
 };
 
@@ -85,7 +83,6 @@ static bool			vmlinux_warned;
 static bool			inherit				=  false;
 static int			realtime_prio			=      0;
 static bool			group				=  false;
-static unsigned int		page_size;
 static unsigned int		mmap_pages			=    128;
 
 static bool			dump_symtab                     =  false;
@@ -93,7 +90,6 @@ static bool			dump_symtab                     =  false;
 static struct winsize		winsize;
 
 static const char		*sym_filter			=   NULL;
-struct sym_entry		*sym_filter_entry_sched		=   NULL;
 static int			sym_pcnt_filter			=      5;
 
 /*
@@ -136,18 +132,18 @@ static void sig_winch_handler(int sig __used)
 	update_print_entries(&winsize);
 }
 
-static int parse_source(struct sym_entry *syme)
+static int parse_source(struct hist_entry *he)
 {
 	struct symbol *sym;
 	struct annotation *notes;
 	struct map *map;
 	int err = -1;
 
-	if (!syme)
+	if (!he || !he->ms.sym)
 		return -1;
 
-	sym = sym_entry__symbol(syme);
-	map = syme->map;
+	sym = he->ms.sym;
+	map = he->ms.map;
 
 	/*
 	 * We can't annotate with just /proc/kallsyms
@@ -175,53 +171,62 @@ static int parse_source(struct sym_entry *syme)
 		return err;
 	}
 
-	err = symbol__annotate(sym, syme->map, 0);
+	err = symbol__annotate(sym, map, 0);
 	if (err == 0) {
 out_assign:
-		top.sym_filter_entry = syme;
+		top.sym_filter_entry = he;
 	}
 
 	pthread_mutex_unlock(&notes->lock);
 	return err;
 }
 
-static void __zero_source_counters(struct sym_entry *syme)
+static void __zero_source_counters(struct hist_entry *he)
 {
-	struct symbol *sym = sym_entry__symbol(syme);
+	struct symbol *sym = he->ms.sym;
 	symbol__annotate_zero_histograms(sym);
 }
 
-static void record_precise_ip(struct sym_entry *syme, struct map *map,
-			      int counter, u64 ip)
+static void record_precise_ip(struct hist_entry *he, int counter, u64 ip)
 {
 	struct annotation *notes;
 	struct symbol *sym;
 
-	if (syme != top.sym_filter_entry)
+	if (he == NULL || he->ms.sym == NULL ||
+	    (he != top.sym_filter_entry && use_browser != 1))
 		return;
 
-	sym = sym_entry__symbol(syme);
+	sym = he->ms.sym;
 	notes = symbol__annotation(sym);
 
 	if (pthread_mutex_trylock(&notes->lock))
 		return;
 
-	ip = map->map_ip(map, ip);
-	symbol__inc_addr_samples(sym, map, counter, ip);
+	if (notes->src == NULL &&
+	    symbol__alloc_hist(sym, top.evlist->nr_entries) < 0) {
+		pthread_mutex_unlock(&notes->lock);
+		pr_err("Not enough memory for annotating '%s' symbol!\n",
+		       sym->name);
+		sleep(1);
+		return;
+	}
+
+	ip = he->ms.map->map_ip(he->ms.map, ip);
+	symbol__inc_addr_samples(sym, he->ms.map, counter, ip);
 
 	pthread_mutex_unlock(&notes->lock);
 }
 
-static void show_details(struct sym_entry *syme)
+static void show_details(struct hist_entry *he)
 {
 	struct annotation *notes;
 	struct symbol *symbol;
 	int more;
 
-	if (!syme)
+	if (!he)
 		return;
 
-	symbol = sym_entry__symbol(syme);
+	symbol = he->ms.sym;
 	notes = symbol__annotation(symbol);
 
 	pthread_mutex_lock(&notes->lock);
@@ -232,7 +237,7 @@ static void show_details(struct sym_entry *syme)
 	printf("Showing %s for %s\n", event_name(top.sym_evsel), symbol->name);
 	printf("  Events  Pcnt (>=%d%%)\n", sym_pcnt_filter);
 
-	more = symbol__annotate_printf(symbol, syme->map, top.sym_evsel->idx,
+	more = symbol__annotate_printf(symbol, he->ms.map, top.sym_evsel->idx,
 				       0, sym_pcnt_filter, top.print_entries, 4);
 	if (top.zero)
 		symbol__annotate_zero_histogram(symbol, top.sym_evsel->idx);
@@ -246,21 +251,28 @@ static void show_details(struct sym_entry *syme)
 
 static const char		CONSOLE_CLEAR[] = "";
 
-static void __list_insert_active_sym(struct sym_entry *syme)
+static struct hist_entry *
+	perf_session__add_hist_entry(struct perf_session *session,
+				     struct addr_location *al,
+				     struct perf_sample *sample,
+				     struct perf_evsel *evsel)
 {
-	list_add(&syme->node, &top.active_symbols);
+	struct hist_entry *he;
+
+	he = __hists__add_entry(&evsel->hists, al, NULL, sample->period);
+	if (he == NULL)
+		return NULL;
+
+	session->hists.stats.total_period += sample->period;
+	hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
+	return he;
 }
 
 static void print_sym_table(void)
 {
 	char bf[160];
 	int printed = 0;
-	struct rb_node *nd;
-	struct sym_entry *syme;
-	struct rb_root tmp = RB_ROOT;
 	const int win_width = winsize.ws_col - 1;
-	int sym_width, dso_width, dso_short_width;
-	float sum_ksamples = perf_top__decay_samples(&top, &tmp);
 
 	puts(CONSOLE_CLEAR);
 
@@ -276,6 +288,7 @@ static void print_sym_table(void)
 		color_fprintf(stdout, PERF_COLOR_RED, "WARNING:");
 		printf(" LOST %" PRIu64 " events, Check IO/CPU overload\n",
 		       top.total_lost_warned);
+		++printed;
 	}
 
 	if (top.sym_filter_entry) {
@@ -283,58 +296,13 @@ static void print_sym_table(void)
 		return;
 	}
 
-	perf_top__find_widths(&top, &tmp, &dso_width, &dso_short_width,
-			      &sym_width);
-
-	if (sym_width + dso_width > winsize.ws_col - 29) {
-		dso_width = dso_short_width;
-		if (sym_width + dso_width > winsize.ws_col - 29)
-			sym_width = winsize.ws_col - dso_width - 29;
-	}
+	hists__collapse_resort_threaded(&top.sym_evsel->hists);
+	hists__output_resort_threaded(&top.sym_evsel->hists);
+	hists__decay_entries(&top.sym_evsel->hists);
+	hists__output_recalc_col_len(&top.sym_evsel->hists, winsize.ws_row - 3);
 	putchar('\n');
-	if (top.evlist->nr_entries == 1)
-		printf("             samples  pcnt");
-	else
-		printf("   weight    samples  pcnt");
-
-	if (verbose)
-		printf("         RIP       ");
-	printf(" %-*.*s DSO\n", sym_width, sym_width, "function");
-	printf("   %s    _______ _____",
-	       top.evlist->nr_entries == 1 ? "      " : "______");
-	if (verbose)
-		printf(" ________________");
-	printf(" %-*.*s", sym_width, sym_width, graph_line);
-	printf(" %-*.*s", dso_width, dso_width, graph_line);
-	puts("\n");
-
-	for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) {
-		struct symbol *sym;
-		double pcnt;
-
-		syme = rb_entry(nd, struct sym_entry, rb_node);
-		sym = sym_entry__symbol(syme);
-		if (++printed > top.print_entries ||
-		    (int)syme->snap_count < top.count_filter)
-			continue;
-
-		pcnt = 100.0 - (100.0 * ((sum_ksamples - syme->snap_count) /
-					 sum_ksamples));
-
-		if (top.evlist->nr_entries == 1 || !top.display_weighted)
-			printf("%20.2f ", syme->weight);
-		else
-			printf("%9.1f %10ld ", syme->weight, syme->snap_count);
-
-		percent_color_fprintf(stdout, "%4.1f%%", pcnt);
-		if (verbose)
-			printf(" %016" PRIx64, sym->start);
-		printf(" %-*.*s", sym_width, sym_width, sym->name);
-		printf(" %-*.*s\n", dso_width, dso_width,
-		       dso_width >= syme->map->dso->long_name_len ?
-					syme->map->dso->long_name :
-					syme->map->dso->short_name);
-	}
+	hists__fprintf(&top.sym_evsel->hists, NULL, false, false,
+		       winsize.ws_row - 4 - printed, win_width, stdout);
 }
 
 static void prompt_integer(int *target, const char *msg)
@@ -372,10 +340,11 @@ static void prompt_percent(int *target, const char *msg)
 		*target = tmp;
 }
 
-static void prompt_symbol(struct sym_entry **target, const char *msg)
+static void prompt_symbol(struct hist_entry **target, const char *msg)
 {
 	char *buf = malloc(0), *p;
-	struct sym_entry *syme = *target, *n, *found = NULL;
+	struct hist_entry *syme = *target, *n, *found = NULL;
+	struct rb_node *next;
 	size_t dummy = 0;
 
 	/* zero counters of active symbol */
@@ -392,17 +361,14 @@ static void prompt_symbol(struct sym_entry **target, const char *msg)
 	if (p)
 		*p = 0;
 
-	pthread_mutex_lock(&top.active_symbols_lock);
-	syme = list_entry(top.active_symbols.next, struct sym_entry, node);
-	pthread_mutex_unlock(&top.active_symbols_lock);
-
-	list_for_each_entry_safe_from(syme, n, &top.active_symbols, node) {
-		struct symbol *sym = sym_entry__symbol(syme);
-
-		if (!strcmp(buf, sym->name)) {
-			found = syme;
+	next = rb_first(&top.sym_evsel->hists.entries);
+	while (next) {
+		n = rb_entry(next, struct hist_entry, rb_node);
+		if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) {
+			found = n;
 			break;
 		}
+		next = rb_next(&n->rb_node);
 	}
 
 	if (!found) {
@@ -421,7 +387,7 @@ static void print_mapped_keys(void)
 	char *name = NULL;
 
 	if (top.sym_filter_entry) {
-		struct symbol *sym = sym_entry__symbol(top.sym_filter_entry);
+		struct symbol *sym = top.sym_filter_entry->ms.sym;
 		name = sym->name;
 	}
 
@@ -438,9 +404,6 @@ static void print_mapped_keys(void)
 	fprintf(stdout, "\t[s]     annotate symbol.                   \t(%s)\n", name?: "NULL");
 	fprintf(stdout, "\t[S]     stop annotation.\n");
 
-	if (top.evlist->nr_entries > 1)
-		fprintf(stdout, "\t[w]     toggle display weighted/count[E]r. \t(%d)\n", top.display_weighted ? 1 : 0);
-
 	fprintf(stdout,
 		"\t[K]     hide kernel_symbols symbols.     \t(%s)\n",
 		top.hide_kernel_symbols ? "yes" : "no");
@@ -467,8 +430,6 @@ static int key_mapped(int c)
 		case 'S':
 			return 1;
 		case 'E':
-		case 'w':
-			return top.evlist->nr_entries > 1 ? 1 : 0;
 		default:
 			break;
 	}
@@ -561,7 +522,7 @@ static void handle_keypress(int c)
 			if (!top.sym_filter_entry)
 				break;
 			else {
-				struct sym_entry *syme = top.sym_filter_entry;
+				struct hist_entry *syme = top.sym_filter_entry;
 
 				top.sym_filter_entry = NULL;
 				__zero_source_counters(syme);
@@ -570,9 +531,6 @@ static void handle_keypress(int c)
 		case 'U':
 			top.hide_user_symbols = !top.hide_user_symbols;
 			break;
-		case 'w':
-			top.display_weighted = ~top.display_weighted;
-			break;
 		case 'z':
 			top.zero = !top.zero;
 			break;
@@ -581,19 +539,29 @@ static void handle_keypress(int c)
 	}
 }
 
+static void perf_top__sort_new_samples(void *arg)
+{
+	struct perf_top *t = arg;
+	perf_top__reset_sample_counters(t);
+
+	if (t->evlist->selected != NULL)
+		t->sym_evsel = t->evlist->selected;
+
+	hists__collapse_resort_threaded(&t->sym_evsel->hists);
+	hists__output_resort_threaded(&t->sym_evsel->hists);
+	hists__decay_entries(&t->sym_evsel->hists);
+	hists__output_recalc_col_len(&t->sym_evsel->hists, winsize.ws_row - 3);
+}
+
 static void *display_thread_tui(void *arg __used)
 {
-	int err = 0;
-	pthread_mutex_lock(&top.active_symbols_lock);
-	while (list_empty(&top.active_symbols)) {
-		err = pthread_cond_wait(&top.active_symbols_cond,
-					&top.active_symbols_lock);
-		if (err)
-			break;
-	}
-	pthread_mutex_unlock(&top.active_symbols_lock);
-	if (!err)
-		perf_top__tui_browser(&top);
+	const char *help = "For a higher level overview, try: perf top --sort comm,dso";
+
+	perf_top__sort_new_samples(&top);
+	perf_evlist__tui_browse_hists(top.evlist, help,
+				      perf_top__sort_new_samples,
+				      &top, top.delay_secs);
+
 	exit_browser(0);
 	exit(0);
 	return NULL;
@@ -645,9 +613,8 @@ static const char *skip_symbols[] = {
 	NULL
 };
 
-static int symbol_filter(struct map *map, struct symbol *sym)
+static int symbol_filter(struct map *map __used, struct symbol *sym)
 {
-	struct sym_entry *syme;
 	const char *name = sym->name;
 	int i;
 
@@ -667,16 +634,6 @@ static int symbol_filter(struct map *map, struct symbol *sym)
 	    strstr(name, "_text_end"))
 		return 1;
 
-	syme = symbol__priv(sym);
-	syme->map = map;
-	symbol__annotate_init(map, sym);
-
-	if (!top.sym_filter_entry && sym_filter && !strcmp(name, sym_filter)) {
-		/* schedule initial sym_filter_entry setup */
-		sym_filter_entry_sched = syme;
-		sym_filter = NULL;
-	}
-
 	for (i = 0; skip_symbols[i]; i++) {
 		if (!strcmp(skip_symbols[i], name)) {
 			sym->ignore = true;
@@ -692,7 +649,6 @@ static void perf_event__process_sample(const union perf_event *event,
 				       struct perf_session *session)
 {
 	u64 ip = event->ip.ip;
-	struct sym_entry *syme;
 	struct addr_location al;
 	struct machine *machine;
 	u8 origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
@@ -783,46 +739,25 @@ static void perf_event__process_sample(const union perf_event *event,
 				sleep(5);
 			vmlinux_warned = true;
 		}
-
-		return;
-	}
-
-	/* let's see, whether we need to install initial sym_filter_entry */
-	if (sym_filter_entry_sched) {
-		top.sym_filter_entry = sym_filter_entry_sched;
-		sym_filter_entry_sched = NULL;
-		if (parse_source(top.sym_filter_entry) < 0) {
-			struct symbol *sym = sym_entry__symbol(top.sym_filter_entry);
-
-			pr_err("Can't annotate %s", sym->name);
-			if (top.sym_filter_entry->map->dso->symtab_type == SYMTAB__KALLSYMS) {
-				pr_err(": No vmlinux file was found in the path:\n");
-				machine__fprintf_vmlinux_path(machine, stderr);
-			} else
-				pr_err(".\n");
-			exit(1);
-		}
 	}
 
-	syme = symbol__priv(al.sym);
-	if (!al.sym->ignore) {
+	if (al.sym == NULL || !al.sym->ignore) {
 		struct perf_evsel *evsel;
+		struct hist_entry *he;
 
 		evsel = perf_evlist__id2evsel(top.evlist, sample->id);
 		assert(evsel != NULL);
-		syme->count[evsel->idx]++;
-		record_precise_ip(syme, al.map, evsel->idx, ip);
-		pthread_mutex_lock(&top.active_symbols_lock);
-		if (list_empty(&syme->node) || !syme->node.next) {
-			static bool first = true;
-			__list_insert_active_sym(syme);
-			if (first) {
-				pthread_cond_broadcast(&top.active_symbols_cond);
-				first = false;
-			}
+
+		he = perf_session__add_hist_entry(session, &al, sample, evsel);
+		if (he == NULL) {
+			pr_err("Problem incrementing symbol period, skipping event\n");
+			return;
 		}
-		pthread_mutex_unlock(&top.active_symbols_lock);
+
+		record_precise_ip(he, evsel->idx, ip);
 	}
+
+	return;
 }
 
 static void perf_session__mmap_read_idx(struct perf_session *self, int idx)
@@ -874,6 +809,7 @@ static void start_counters(struct perf_evlist *evlist)
 		}
 
 		attr->mmap = 1;
+		attr->comm = 1;
 		attr->inherit = inherit;
 try_again:
 		if (perf_evsel__open(counter, top.evlist->cpus,
@@ -1019,7 +955,7 @@ static const struct option options[] = {
 			    "put the counters into a counter group"),
 	OPT_BOOLEAN('i', "inherit", &inherit,
 		    "child tasks inherit counters"),
-	OPT_STRING('s', "sym-annotate", &sym_filter, "symbol name",
+	OPT_STRING(0, "sym-annotate", &sym_filter, "symbol name",
 		    "symbol to annotate"),
 	OPT_BOOLEAN('z', "zero", &top.zero,
 		    "zero history across updates"),
@@ -1033,6 +969,18 @@ static const struct option options[] = {
 	OPT_BOOLEAN(0, "stdio", &use_stdio, "Use the stdio interface"),
 	OPT_INCR('v', "verbose", &verbose,
 		    "be more verbose (show counter open errors, etc)"),
+	OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
+		   "sort by key(s): pid, comm, dso, symbol, parent"),
+	OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
+		    "Show a column with the number of samples"),
+	OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
+		    "Show a column with the sum of periods"),
+	OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
+		   "only consider symbols in these dsos"),
+	OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
+		   "only consider symbols in these comms"),
+	OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
+		   "only consider these symbols"),
 	OPT_END()
 };
 
@@ -1045,12 +993,17 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
 	if (top.evlist == NULL)
 		return -ENOMEM;
 
-	page_size = sysconf(_SC_PAGE_SIZE);
+	symbol_conf.exclude_other = false;
 
 	argc = parse_options(argc, argv, options, top_usage, 0);
 	if (argc)
 		usage_with_options(top_usage, options);
 
+	if (sort_order == default_sort_order)
+		sort_order = "dso,symbol";
+
+	setup_sorting(top_usage, options);
+
 	/*
  	 * XXX For now start disabled, only using TUI if explicitely asked for.
  	 * Change that when handle_keys equivalent gets written, live annotation
@@ -1119,13 +1072,16 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
 
 	top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
 
-	symbol_conf.priv_size = (sizeof(struct sym_entry) + sizeof(struct annotation) +
-				 (top.evlist->nr_entries + 1) * sizeof(unsigned long));
+	symbol_conf.priv_size = sizeof(struct annotation);
 
 	symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
 	if (symbol__init() < 0)
 		return -1;
 
+	sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
+	sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
+	sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
+
 	get_term_dimensions(&winsize);
 	if (top.print_entries == 0) {
 		update_print_entries(&winsize);
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 80fe30d90d72ff7befefa4c0e4ca308a73f698a7..87ef5c7797dec86e256115b94ace1dd779d7ace6 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -92,6 +92,41 @@ static void hist_entry__add_cpumode_period(struct hist_entry *self,
 	}
 }
 
+static void hist_entry__decay(struct hist_entry *he)
+{
+	he->period = (he->period * 7) / 8;
+	he->nr_events = (he->nr_events * 7) / 8;
+}
+
+static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
+{
+	hists->stats.total_period -= he->period;
+	hist_entry__decay(he);
+	hists->stats.total_period += he->period;
+	return he->period == 0;
+}
+
+void hists__decay_entries(struct hists *hists)
+{
+	struct rb_node *next = rb_first(&hists->entries);
+	struct hist_entry *n;
+
+	while (next) {
+		n = rb_entry(next, struct hist_entry, rb_node);
+		next = rb_next(&n->rb_node);
+
+		if (hists__decay_entry(hists, n)) {
+			rb_erase(&n->rb_node, &hists->entries);
+
+			if (sort__need_collapse)
+				rb_erase(&n->rb_node_in, &hists->entries_collapsed);
+
+			hist_entry__free(n);
+			--hists->nr_entries;
+		}
+	}
+}
+
 /*
  * histogram, sorted on item, collects periods
  */
@@ -635,6 +670,21 @@ static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
 	return ret;
 }
 
+void hists__output_recalc_col_len(struct hists *hists, int max_rows)
+{
+	struct rb_node *next = rb_first(&hists->entries);
+	struct hist_entry *n;
+	int row = 0;
+
+	hists__reset_col_len(hists);
+
+	while (next && row++ < max_rows) {
+		n = rb_entry(next, struct hist_entry, rb_node);
+		hists__calc_col_len(hists, n);
+		next = rb_next(&n->rb_node);
+	}
+}
+
 int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size,
 			 struct hists *hists, struct hists *pair_hists,
 			 bool show_displacement, long displacement,
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 424f9eb8310c8d5ea692bc10e1df48936a1fc148..f87677bfaff9aa3a861fbc8804a8f131ec935a99 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -78,6 +78,9 @@ void hists__output_resort_threaded(struct hists *hists);
 void hists__collapse_resort(struct hists *self);
 void hists__collapse_resort_threaded(struct hists *hists);
 
+void hists__decay_entries(struct hists *hists);
+void hists__output_recalc_col_len(struct hists *hists, int max_rows);
+
 void hists__inc_nr_events(struct hists *self, u32 type);
 size_t hists__fprintf_nr_events(struct hists *self, FILE *fp);
 
diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c
index a11f60735a188afae7152998f5e8d2f63bb08475..500471dffa4fdaf08968fa00e8cf825417262120 100644
--- a/tools/perf/util/top.c
+++ b/tools/perf/util/top.c
@@ -15,52 +15,6 @@
 #include "top.h"
 #include <inttypes.h>
 
-/*
- * Ordering weight: count-1 * count-2 * ... / count-n
- */
-static double sym_weight(const struct sym_entry *sym, struct perf_top *top)
-{
-	double weight = sym->snap_count;
-	int counter;
-
-	if (!top->display_weighted)
-		return weight;
-
-	for (counter = 1; counter < top->evlist->nr_entries - 1; counter++)
-		weight *= sym->count[counter];
-
-	weight /= (sym->count[counter] + 1);
-
-	return weight;
-}
-
-static void perf_top__remove_active_sym(struct perf_top *top, struct sym_entry *syme)
-{
-	pthread_mutex_lock(&top->active_symbols_lock);
-	list_del_init(&syme->node);
-	pthread_mutex_unlock(&top->active_symbols_lock);
-}
-
-static void rb_insert_active_sym(struct rb_root *tree, struct sym_entry *se)
-{
-	struct rb_node **p = &tree->rb_node;
-	struct rb_node *parent = NULL;
-	struct sym_entry *iter;
-
-	while (*p != NULL) {
-		parent = *p;
-		iter = rb_entry(parent, struct sym_entry, rb_node);
-
-		if (se->weight > iter->weight)
-			p = &(*p)->rb_left;
-		else
-			p = &(*p)->rb_right;
-	}
-
-	rb_link_node(&se->rb_node, parent, p);
-	rb_insert_color(&se->rb_node, tree);
-}
-
 #define SNPRINTF(buf, size, fmt, args...) \
 ({ \
 	size_t r = snprintf(buf, size, fmt, ## args); \
@@ -69,7 +23,6 @@ static void rb_insert_active_sym(struct rb_root *tree, struct sym_entry *se)
 
 size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
 {
-	struct perf_evsel *counter;
 	float samples_per_sec = top->samples / top->delay_secs;
 	float ksamples_per_sec = top->kernel_samples / top->delay_secs;
 	float esamples_percent = (100.0 * top->exact_samples) / top->samples;
@@ -104,7 +57,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
 			       esamples_percent);
 	}
 
-	if (top->evlist->nr_entries == 1 || !top->display_weighted) {
+	if (top->evlist->nr_entries == 1) {
 		struct perf_evsel *first;
 		first = list_entry(top->evlist->entries.next, struct perf_evsel, node);
 		ret += SNPRINTF(bf + ret, size - ret, "%" PRIu64 "%s ",
@@ -112,27 +65,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
 				top->freq ? "Hz" : "");
 	}
 
-	if (!top->display_weighted) {
-		ret += SNPRINTF(bf + ret, size - ret, "%s",
-				event_name(top->sym_evsel));
-	} else {
-		/*
-		 * Don't let events eat all the space. Leaving 30 bytes
-		 * for the rest should be enough.
-		 */
-		size_t last_pos = size - 30;
-
-		list_for_each_entry(counter, &top->evlist->entries, node) {
-			ret += SNPRINTF(bf + ret, size - ret, "%s%s",
-					counter->idx ? "/" : "",
-					event_name(counter));
-			if (ret > last_pos) {
-				sprintf(bf + last_pos - 3, "..");
-				ret = last_pos - 1;
-				break;
-			}
-		}
-	}
+	ret += SNPRINTF(bf + ret, size - ret, "%s", event_name(top->sym_evsel));
 
 	ret += SNPRINTF(bf + ret, size - ret, "], ");
 
@@ -166,73 +99,3 @@ void perf_top__reset_sample_counters(struct perf_top *top)
 	top->exact_samples = top->guest_kernel_samples =
 	top->guest_us_samples = 0;
 }
-
-float perf_top__decay_samples(struct perf_top *top, struct rb_root *root)
-{
-	struct sym_entry *syme, *n;
-	float sum_ksamples = 0.0;
-	int snap = !top->display_weighted ? top->sym_evsel->idx : 0, j;
-
-	/* Sort the active symbols */
-	pthread_mutex_lock(&top->active_symbols_lock);
-	syme = list_entry(top->active_symbols.next, struct sym_entry, node);
-	pthread_mutex_unlock(&top->active_symbols_lock);
-
-	top->rb_entries = 0;
-	list_for_each_entry_safe_from(syme, n, &top->active_symbols, node) {
-		syme->snap_count = syme->count[snap];
-		if (syme->snap_count != 0) {
-
-			if ((top->hide_user_symbols &&
-			     syme->map->dso->kernel == DSO_TYPE_USER) ||
-			    (top->hide_kernel_symbols &&
-			     syme->map->dso->kernel == DSO_TYPE_KERNEL)) {
-				perf_top__remove_active_sym(top, syme);
-				continue;
-			}
-			syme->weight = sym_weight(syme, top);
-
-			if ((int)syme->snap_count >= top->count_filter) {
-				rb_insert_active_sym(root, syme);
-				++top->rb_entries;
-			}
-			sum_ksamples += syme->snap_count;
-
-			for (j = 0; j < top->evlist->nr_entries; j++)
-				syme->count[j] = top->zero ? 0 : syme->count[j] * 7 / 8;
-		} else
-			perf_top__remove_active_sym(top, syme);
-	}
-
-	return sum_ksamples;
-}
-
-/*
- * Find the longest symbol name that will be displayed
- */
-void perf_top__find_widths(struct perf_top *top, struct rb_root *root,
-			   int *dso_width, int *dso_short_width, int *sym_width)
-{
-	struct rb_node *nd;
-	int printed = 0;
-
-	*sym_width = *dso_width = *dso_short_width = 0;
-
-	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
-		struct sym_entry *syme = rb_entry(nd, struct sym_entry, rb_node);
-		struct symbol *sym = sym_entry__symbol(syme);
-
-		if (++printed > top->print_entries ||
-		    (int)syme->snap_count < top->count_filter)
-			continue;
-
-		if (syme->map->dso->long_name_len > *dso_width)
-			*dso_width = syme->map->dso->long_name_len;
-
-		if (syme->map->dso->short_name_len > *dso_short_width)
-			*dso_short_width = syme->map->dso->short_name_len;
-
-		if (sym->namelen > *sym_width)
-			*sym_width = sym->namelen;
-	}
-}
diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h
index b07b0410463cd0b9e2ac70c60b1e29e3880e6ae9..01d1057f3074ce59e92e03ed27876b851ad39fbc 100644
--- a/tools/perf/util/top.h
+++ b/tools/perf/util/top.h
@@ -4,64 +4,32 @@
 #include "types.h"
 #include "../perf.h"
 #include <stddef.h>
-#include <pthread.h>
-#include <linux/list.h>
-#include <linux/rbtree.h>
 
 struct perf_evlist;
 struct perf_evsel;
 struct perf_session;
 
-struct sym_entry {
-	struct rb_node		rb_node;
-	struct list_head	node;
-	unsigned long		snap_count;
-	double			weight;
-	struct map		*map;
-	unsigned long		count[0];
-};
-
-static inline struct symbol *sym_entry__symbol(struct sym_entry *self)
-{
-       return ((void *)self) + symbol_conf.priv_size;
-}
-
 struct perf_top {
 	struct perf_evlist *evlist;
 	/*
 	 * Symbols will be added here in perf_event__process_sample and will
 	 * get out after decayed.
 	 */
-	struct list_head   active_symbols;
-	pthread_mutex_t	   active_symbols_lock;
-	pthread_cond_t	   active_symbols_cond;
 	u64		   samples;
 	u64		   kernel_samples, us_samples;
 	u64		   exact_samples;
 	u64		   guest_us_samples, guest_kernel_samples;
 	u64		   total_lost_warned;
 	int		   print_entries, count_filter, delay_secs;
-	int		   display_weighted, freq, rb_entries;
+	int		   freq;
 	pid_t		   target_pid, target_tid;
 	bool		   hide_kernel_symbols, hide_user_symbols, zero;
 	const char	   *cpu_list;
-	struct sym_entry   *sym_filter_entry;
+	struct hist_entry  *sym_filter_entry;
 	struct perf_evsel  *sym_evsel;
 	struct perf_session *session;
 };
 
 size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size);
 void perf_top__reset_sample_counters(struct perf_top *top);
-float perf_top__decay_samples(struct perf_top *top, struct rb_root *root);
-void perf_top__find_widths(struct perf_top *top, struct rb_root *root,
-			   int *dso_width, int *dso_short_width, int *sym_width);
-
-#ifdef NO_NEWT_SUPPORT
-static inline int perf_top__tui_browser(struct perf_top *top __used)
-{
-	return 0;
-}
-#else
-int perf_top__tui_browser(struct perf_top *top);
-#endif
 #endif /* __PERF_TOP_H */
diff --git a/tools/perf/util/ui/browsers/top.c b/tools/perf/util/ui/browsers/top.c
deleted file mode 100644
index d43875b2356fa59e530f8c94646d70ffa4ada1da..0000000000000000000000000000000000000000
--- a/tools/perf/util/ui/browsers/top.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
- *
- * Parts came from builtin-{top,stat,record}.c, see those files for further
- * copyright notes.
- *
- * Released under the GPL v2. (and only v2, not any later version)
- */
-#include "../browser.h"
-#include "../../annotate.h"
-#include "../helpline.h"
-#include "../libslang.h"
-#include "../util.h"
-#include "../ui.h"
-#include "../../evlist.h"
-#include "../../hist.h"
-#include "../../sort.h"
-#include "../../symbol.h"
-#include "../../session.h"
-#include "../../top.h"
-
-struct perf_top_browser {
-	struct ui_browser b;
-	struct rb_root	  root;
-	struct sym_entry  *selection;
-	float		  sum_ksamples;
-	int		  dso_width;
-	int		  dso_short_width;
-	int		  sym_width;
-};
-
-static void perf_top_browser__write(struct ui_browser *browser, void *entry, int row)
-{
-	struct perf_top_browser *top_browser = container_of(browser, struct perf_top_browser, b);
-	struct sym_entry *syme = rb_entry(entry, struct sym_entry, rb_node);
-	bool current_entry = ui_browser__is_current_entry(browser, row);
-	struct symbol *symbol = sym_entry__symbol(syme);
-	struct perf_top *top = browser->priv;
-	int width = browser->width;
-	double pcnt;
-
-	pcnt = 100.0 - (100.0 * ((top_browser->sum_ksamples - syme->snap_count) /
-				 top_browser->sum_ksamples));
-	ui_browser__set_percent_color(browser, pcnt, current_entry);
-
-	if (top->evlist->nr_entries == 1 || !top->display_weighted) {
-		slsmg_printf("%20.2f ", syme->weight);
-		width -= 21;
-	} else {
-		slsmg_printf("%9.1f %10ld ", syme->weight, syme->snap_count);
-		width -= 20;
-	}
-
-	slsmg_printf("%4.1f%%", pcnt);
-	width -= 7;
-
-	if (verbose) {
-		slsmg_printf(" %016" PRIx64, symbol->start);
-		width -= 17;
-	}
-
-	slsmg_printf(" %-*.*s ", top_browser->sym_width, top_browser->sym_width,
-		     symbol->name);
-	width -= top_browser->sym_width;
-	slsmg_write_nstring(width >= syme->map->dso->long_name_len ?
-				syme->map->dso->long_name :
-				syme->map->dso->short_name, width);
-
-	if (current_entry)
-		top_browser->selection = syme;
-}
-
-static void perf_top_browser__update_rb_tree(struct perf_top_browser *browser)
-{
-	struct perf_top *top = browser->b.priv;
-	u64 top_idx = browser->b.top_idx;
-
-	browser->root = RB_ROOT;
-	browser->b.top = NULL;
-	browser->sum_ksamples = perf_top__decay_samples(top, &browser->root);
-	/*
- 	 * No active symbols
- 	 */
-	if (top->rb_entries == 0)
-		return;
-
-	perf_top__find_widths(top, &browser->root, &browser->dso_width,
-			      &browser->dso_short_width,
-                              &browser->sym_width);
-	if (browser->sym_width + browser->dso_width > browser->b.width - 29) {
-		browser->dso_width = browser->dso_short_width;
-		if (browser->sym_width + browser->dso_width > browser->b.width - 29)
-			browser->sym_width = browser->b.width - browser->dso_width - 29;
-	}
-
-	/*
-	 * Adjust the ui_browser indexes since the entries in the browser->root
-	 * rb_tree may have changed, then seek it from start, so that we get a
-	 * possible new top of the screen.
- 	 */
-	browser->b.nr_entries = top->rb_entries;
-
-	if (top_idx >= browser->b.nr_entries) {
-		if (browser->b.height >= browser->b.nr_entries)
-			top_idx = browser->b.nr_entries - browser->b.height;
-		else
-			top_idx = 0;
-	}
-
-	if (browser->b.index >= top_idx + browser->b.height)
-		browser->b.index = top_idx + browser->b.index - browser->b.top_idx;
-
-	if (browser->b.index >= browser->b.nr_entries)
-		browser->b.index = browser->b.nr_entries - 1;
-
-	browser->b.top_idx = top_idx;
-	browser->b.seek(&browser->b, top_idx, SEEK_SET);
-}
-
-static void perf_top_browser__annotate(struct perf_top_browser *browser)
-{
-	struct sym_entry *syme = browser->selection;
-	struct symbol *sym = sym_entry__symbol(syme);
-	struct annotation *notes = symbol__annotation(sym);
-	struct perf_top *top = browser->b.priv;
-
-	if (notes->src != NULL)
-		goto do_annotation;
-
-	pthread_mutex_lock(&notes->lock);
-
-	top->sym_filter_entry = NULL;
-
-	if (symbol__alloc_hist(sym, top->evlist->nr_entries) < 0) {
-		pr_err("Not enough memory for annotating '%s' symbol!\n",
-		       sym->name);
-		pthread_mutex_unlock(&notes->lock);
-		return;
-	}
-
-	top->sym_filter_entry = syme;
-
-	pthread_mutex_unlock(&notes->lock);
-do_annotation:
-	symbol__tui_annotate(sym, syme->map, 0, NULL, NULL, top->delay_secs * 1000);
-}
-
-static void perf_top_browser__warn_lost(struct perf_top_browser *browser)
-{
-	struct perf_top *top = browser->b.priv;
-	char msg[128];
-	int len;
-
-	top->total_lost_warned = top->session->hists.stats.total_lost;
-	pthread_mutex_lock(&ui__lock);
-	ui_browser__set_color(&browser->b, HE_COLORSET_TOP);
-	len = snprintf(msg, sizeof(msg),
-		      " WARNING: LOST %" PRIu64 " events, Check IO/CPU overload",
-		      top->total_lost_warned);
-	if (len > browser->b.width)
-		len = browser->b.width;
-	SLsmg_gotorc(0, browser->b.width - len);
-	slsmg_write_nstring(msg, len);
-	pthread_mutex_unlock(&ui__lock);
-}
-
-static int perf_top_browser__run(struct perf_top_browser *browser)
-{
-	int key;
-	char title[160];
-	struct perf_top *top = browser->b.priv;
-	int delay_msecs = top->delay_secs * 1000;
-	int exit_keys[] = { 'a', NEWT_KEY_ENTER, NEWT_KEY_RIGHT, 0, };
-
-	perf_top_browser__update_rb_tree(browser);
-        perf_top__header_snprintf(top, title, sizeof(title));
-        perf_top__reset_sample_counters(top);
-
-	if (ui_browser__show(&browser->b, title,
-			     "ESC: exit, ENTER|->|a: Live Annotate") < 0)
-		return -1;
-
-	newtFormSetTimer(browser->b.form, delay_msecs);
-	ui_browser__add_exit_keys(&browser->b, exit_keys);
-
-	while (1) {
-		key = ui_browser__run(&browser->b);
-
-		switch (key) {
-		case -1:
-			/* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
-			perf_top_browser__update_rb_tree(browser);
-			perf_top__header_snprintf(top, title, sizeof(title));
-			perf_top__reset_sample_counters(top);
-			ui_browser__set_color(&browser->b, NEWT_COLORSET_ROOT);
-			SLsmg_gotorc(0, 0);
-			slsmg_write_nstring(title, browser->b.width);
-
-			if (top->total_lost_warned != top->session->hists.stats.total_lost)
-				perf_top_browser__warn_lost(browser);
-			break;
-		case 'a':
-		case NEWT_KEY_RIGHT:
-		case NEWT_KEY_ENTER:
-			if (browser->selection)
-				perf_top_browser__annotate(browser);
-			break;
-		case NEWT_KEY_LEFT:
-			continue;
-		case NEWT_KEY_ESCAPE:
-			if (!ui__dialog_yesno("Do you really want to exit?"))
-				continue;
-			/* Fall thru */
-		default:
-			goto out;
-		}
-	}
-out:
-	ui_browser__hide(&browser->b);
-	return key;
-}
-
-int perf_top__tui_browser(struct perf_top *top)
-{
-	struct perf_top_browser browser = {
-		.b = {
-			.entries = &browser.root,
-			.refresh = ui_browser__rb_tree_refresh,
-			.seek	 = ui_browser__rb_tree_seek,
-			.write	 = perf_top_browser__write,
-			.priv	 = top,
-		},
-	};
-
-	return perf_top_browser__run(&browser);
-}