[linux-2.6-block.git] / tools / perf / ui / stdio / hist.c

#include <stdio.h>

#include "../../util/util.h"
#include "../../util/hist.h"
#include "../../util/sort.h"
#include "../../util/evsel.h"


static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
{
	int i;
	int ret = fprintf(fp, "            ");

	for (i = 0; i < left_margin; i++)
		ret += fprintf(fp, " ");

	return ret;
}

static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
					  int left_margin)
{
	int i;
	size_t ret = callchain__fprintf_left_margin(fp, left_margin);

	for (i = 0; i < depth; i++)
		if (depth_mask & (1 << i))
			ret += fprintf(fp, "|          ");
		else
			ret += fprintf(fp, "           ");

	ret += fprintf(fp, "\n");

	return ret;
}

static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
				     int depth, int depth_mask, int period,
				     u64 total_samples, u64 hits,
				     int left_margin)
{
	int i;
	size_t ret = 0;

	ret += callchain__fprintf_left_margin(fp, left_margin);
	for (i = 0; i < depth; i++) {
		if (depth_mask & (1 << i))
			ret += fprintf(fp, "|");
		else
			ret += fprintf(fp, " ");
		if (!period && i == depth - 1) {
			double percent;

			percent = hits * 100.0 / total_samples;
			ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
		} else
			ret += fprintf(fp, "%s", "          ");
	}
	if (chain->ms.sym)
		ret += fprintf(fp, "%s\n", chain->ms.sym->name);
	else
		ret += fprintf(fp, "0x%0" PRIx64 "\n", chain->ip);

	return ret;
}

static struct symbol *rem_sq_bracket;
static struct callchain_list rem_hits;

static void init_rem_hits(void)
{
	rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6);
	if (!rem_sq_bracket) {
		fprintf(stderr, "Not enough memory to display remaining hits\n");
		return;
	}

	strcpy(rem_sq_bracket->name, "[...]");
	rem_hits.ms.sym = rem_sq_bracket;
}

static size_t __callchain__fprintf_graph(FILE *fp, struct rb_root *root,
					 u64 total_samples, int depth,
					 int depth_mask, int left_margin)
{
	struct rb_node *node, *next;
	struct callchain_node *child;
	struct callchain_list *chain;
	int new_depth_mask = depth_mask;
	u64 remaining;
	size_t ret = 0;
	int i;
	uint entries_printed = 0;

	remaining = total_samples;

	node = rb_first(root);
	while (node) {
		u64 new_total;
		u64 cumul;

		child = rb_entry(node, struct callchain_node, rb_node);
		cumul = callchain_cumul_hits(child);
		remaining -= cumul;

		/*
		 * The depth mask manages the output of pipes that show
		 * the depth. We don't want to keep the pipes of the current
		 * level for the last child of this depth.
		 * Except if we have remaining filtered hits. They will
		 * supersede the last child
		 */
		next = rb_next(node);
		if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining))
			new_depth_mask &= ~(1 << (depth - 1));

		/*
		 * But we keep the older depth mask for the line separator
		 * to keep the level link until we reach the last child
		 */
		ret += ipchain__fprintf_graph_line(fp, depth, depth_mask,
						   left_margin);
		i = 0;
		list_for_each_entry(chain, &child->val, list) {
			ret += ipchain__fprintf_graph(fp, chain, depth,
						      new_depth_mask, i++,
						      total_samples,
						      cumul,
						      left_margin);
		}

		if (callchain_param.mode == CHAIN_GRAPH_REL)
			new_total = child->children_hit;
		else
			new_total = total_samples;

		ret += __callchain__fprintf_graph(fp, &child->rb_root, new_total,
						  depth + 1,
						  new_depth_mask | (1 << depth),
						  left_margin);
		node = next;
		if (++entries_printed == callchain_param.print_limit)
			break;
	}

	if (callchain_param.mode == CHAIN_GRAPH_REL &&
		remaining && remaining != total_samples) {

		if (!rem_sq_bracket)
			return ret;

		new_depth_mask &= ~(1 << (depth - 1));
		ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
					      new_depth_mask, 0, total_samples,
					      remaining, left_margin);
	}

	return ret;
}

static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root,
				       u64 total_samples, int left_margin)
{
	struct callchain_node *cnode;
	struct callchain_list *chain;
	u32 entries_printed = 0;
	bool printed = false;
	struct rb_node *node;
	int i = 0;
	int ret = 0;

	/*
	 * If have one single callchain root, don't bother printing
	 * its percentage (100 % in fractal mode and the same percentage
	 * than the hist in graph mode). This also avoid one level of column.
	 */
	node = rb_first(root);
	if (node && !rb_next(node)) {
		cnode = rb_entry(node, struct callchain_node, rb_node);
		list_for_each_entry(chain, &cnode->val, list) {
			/*
			 * If we sort by symbol, the first entry is the same than
			 * the symbol. No need to print it otherwise it appears as
			 * displayed twice.
			 */
			if (!i++ && sort__first_dimension == SORT_SYM)
				continue;
			if (!printed) {
				ret += callchain__fprintf_left_margin(fp, left_margin);
				ret += fprintf(fp, "|\n");
				ret += callchain__fprintf_left_margin(fp, left_margin);
				ret += fprintf(fp, "---");
				left_margin += 3;
				printed = true;
			} else
				ret += callchain__fprintf_left_margin(fp, left_margin);

			if (chain->ms.sym)
				ret += fprintf(fp, " %s\n", chain->ms.sym->name);
			else
				ret += fprintf(fp, " %p\n", (void *)(long)chain->ip);

			if (++entries_printed == callchain_param.print_limit)
				break;
		}
		root = &cnode->rb_root;
	}

	ret += __callchain__fprintf_graph(fp, root, total_samples,
					  1, 1, left_margin);
	ret += fprintf(fp, "\n");

	return ret;
}

static size_t __callchain__fprintf_flat(FILE *fp,
					struct callchain_node *self,
					u64 total_samples)
{
	struct callchain_list *chain;
	size_t ret = 0;

	if (!self)
		return 0;

	ret += __callchain__fprintf_flat(fp, self->parent, total_samples);


	list_for_each_entry(chain, &self->val, list) {
		if (chain->ip >= PERF_CONTEXT_MAX)
			continue;
		if (chain->ms.sym)
			ret += fprintf(fp, "                %s\n", chain->ms.sym->name);
		else
			ret += fprintf(fp, "                %p\n",
					(void *)(long)chain->ip);
	}

	return ret;
}

static size_t callchain__fprintf_flat(FILE *fp, struct rb_root *self,
				      u64 total_samples)
{
	size_t ret = 0;
	u32 entries_printed = 0;
	struct rb_node *rb_node;
	struct callchain_node *chain;

	rb_node = rb_first(self);
	while (rb_node) {
		double percent;

		chain = rb_entry(rb_node, struct callchain_node, rb_node);
		percent = chain->hit * 100.0 / total_samples;

		ret = percent_color_fprintf(fp, "           %6.2f%%\n", percent);
		ret += __callchain__fprintf_flat(fp, chain, total_samples);
		ret += fprintf(fp, "\n");
		if (++entries_printed == callchain_param.print_limit)
			break;

		rb_node = rb_next(rb_node);
	}

	return ret;
}

static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
					    u64 total_samples, int left_margin,
					    FILE *fp)
{
	switch (callchain_param.mode) {
	case CHAIN_GRAPH_REL:
		return callchain__fprintf_graph(fp, &he->sorted_chain, he->stat.period,
						left_margin);
		break;
	case CHAIN_GRAPH_ABS:
		return callchain__fprintf_graph(fp, &he->sorted_chain, total_samples,
						left_margin);
		break;
	case CHAIN_FLAT:
		return callchain__fprintf_flat(fp, &he->sorted_chain, total_samples);
		break;
	case CHAIN_NONE:
		break;
	default:
		pr_err("Bad callchain mode\n");
	}

	return 0;
}

static size_t hist_entry__callchain_fprintf(struct hist_entry *he,
					    struct hists *hists,
					    FILE *fp)
{
	int left_margin = 0;
	u64 total_period = hists->stats.total_period;

	if (sort__first_dimension == SORT_COMM) {
		struct sort_entry *se = list_first_entry(&hist_entry__sort_list,
							 typeof(*se), list);
		left_margin = hists__col_len(hists, se->se_width_idx);
		left_margin -= thread__comm_len(he->thread);
	}

	return hist_entry_callchain__fprintf(he, total_period, left_margin, fp);
}

static inline void advance_hpp(struct perf_hpp *hpp, int inc)
{
	hpp->buf  += inc;
	hpp->size -= inc;
}

static int hist_entry__period_snprintf(struct perf_hpp *hpp,
				       struct hist_entry *he,
				       bool color)
{
	const char *sep = symbol_conf.field_sep;
	struct perf_hpp_fmt *fmt;
	char *start = hpp->buf;
	int ret;
	bool first = true;

	if (symbol_conf.exclude_other && !he->parent)
		return 0;

	perf_hpp__for_each_format(fmt) {
		/*
		 * If there's no field_sep, we still need
		 * to display initial '  '.
		 */
		if (!sep || !first) {
			ret = scnprintf(hpp->buf, hpp->size, "%s", sep ?: "  ");
			advance_hpp(hpp, ret);
		} else
			first = false;

		if (color && fmt->color)
			ret = fmt->color(fmt, hpp, he);
		else
			ret = fmt->entry(fmt, hpp, he);

		advance_hpp(hpp, ret);
	}

	return hpp->buf - start;
}

static int hist_entry__fprintf(struct hist_entry *he, size_t size,
			       struct hists *hists,
			       char *bf, size_t bfsz, FILE *fp)
{
	int ret;
	struct perf_hpp hpp = {
		.buf		= bf,
		.size		= size,
	};
	bool color = !symbol_conf.field_sep;

	if (size == 0 || size > bfsz)
		size = hpp.size = bfsz;

	ret = hist_entry__period_snprintf(&hpp, he, color);
	hist_entry__sort_snprintf(he, bf + ret, size - ret, hists);

	ret = fprintf(fp, "%s\n", bf);

	if (symbol_conf.use_callchain)
		ret += hist_entry__callchain_fprintf(he, hists, fp);

	return ret;
}

size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
		      int max_cols, float min_pcnt, FILE *fp)
{
	struct perf_hpp_fmt *fmt;
	struct sort_entry *se;
	struct rb_node *nd;
	size_t ret = 0;
	unsigned int width;
	const char *sep = symbol_conf.field_sep;
	const char *col_width = symbol_conf.col_width_list_str;
	int nr_rows = 0;
	char bf[96];
	struct perf_hpp dummy_hpp = {
		.buf	= bf,
		.size	= sizeof(bf),
		.ptr	= hists_to_evsel(hists),
	};
	bool first = true;
	size_t linesz;
	char *line = NULL;

	init_rem_hits();

	if (!show_header)
		goto print_entries;

	fprintf(fp, "# ");

	perf_hpp__for_each_format(fmt) {
		if (!first)
			fprintf(fp, "%s", sep ?: "  ");
		else
			first = false;

		fmt->header(fmt, &dummy_hpp);
		fprintf(fp, "%s", bf);
	}

	list_for_each_entry(se, &hist_entry__sort_list, list) {
		if (se->elide)
			continue;
		if (sep) {
			fprintf(fp, "%c%s", *sep, se->se_header);
			continue;
		}
		width = strlen(se->se_header);
		if (symbol_conf.col_width_list_str) {
			if (col_width) {
				hists__set_col_len(hists, se->se_width_idx,
						   atoi(col_width));
				col_width = strchr(col_width, ',');
				if (col_width)
					++col_width;
			}
		}
		if (!hists__new_col_len(hists, se->se_width_idx, width))
			width = hists__col_len(hists, se->se_width_idx);
		fprintf(fp, "  %*s", width, se->se_header);
	}

	fprintf(fp, "\n");
	if (max_rows && ++nr_rows >= max_rows)
		goto out;

	if (sep)
		goto print_entries;

	first = true;

	fprintf(fp, "# ");

	perf_hpp__for_each_format(fmt) {
		unsigned int i;

		if (!first)
			fprintf(fp, "%s", sep ?: "  ");
		else
			first = false;

		width = fmt->width(fmt, &dummy_hpp);
		for (i = 0; i < width; i++)
			fprintf(fp, ".");
	}

	list_for_each_entry(se, &hist_entry__sort_list, list) {
		unsigned int i;

		if (se->elide)
			continue;

		fprintf(fp, "  ");
		width = hists__col_len(hists, se->se_width_idx);
		if (width == 0)
			width = strlen(se->se_header);
		for (i = 0; i < width; i++)
			fprintf(fp, ".");
	}

	fprintf(fp, "\n");
	if (max_rows && ++nr_rows >= max_rows)
		goto out;

	fprintf(fp, "#\n");
	if (max_rows && ++nr_rows >= max_rows)
		goto out;

print_entries:
	linesz = hists__sort_list_width(hists) + 3 + 1;
	line = malloc(linesz);
	if (line == NULL) {
		ret = -1;
		goto out;
	}

	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
		float percent = h->stat.period * 100.0 /
					hists->stats.total_period;

		if (h->filtered)
			continue;

		if (percent < min_pcnt)
			continue;

		ret += hist_entry__fprintf(h, max_cols, hists, line, linesz, fp);

		if (max_rows && ++nr_rows >= max_rows)
			break;

		if (h->ms.map == NULL && verbose > 1) {
			__map_groups__fprintf_maps(&h->thread->mg,
						   MAP__FUNCTION, verbose, fp);
			fprintf(fp, "%.10s end\n", graph_dotted_line);
		}
	}

	free(line);
out:
	free(rem_sq_bracket);

	return ret;
}

size_t events_stats__fprintf(struct events_stats *stats, FILE *fp)
{
	int i;
	size_t ret = 0;

	for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
		const char *name;

		if (stats->nr_events[i] == 0)
			continue;

		name = perf_event__name(i);
		if (!strcmp(name, "UNKNOWN"))
			continue;

		ret += fprintf(fp, "%16s events: %10d\n", name,
			       stats->nr_events[i]);
	}

	return ret;
}
Commit	Line	Data
7ccf4f90	1	#include <stdio.h>
7ccf4f90 NK	2
	3	#include "../../util/util.h"
	4	#include "../../util/hist.h"
	5	#include "../../util/sort.h"
5b9e2146	6	#include "../../util/evsel.h"
7ccf4f90 NK	7
	8
	9	static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
	10	{
	11	int i;
	12	int ret = fprintf(fp, " ");
	13
	14	for (i = 0; i < left_margin; i++)
	15	ret += fprintf(fp, " ");
	16
	17	return ret;
	18	}
	19
	20	static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
	21	int left_margin)
	22	{
	23	int i;
	24	size_t ret = callchain__fprintf_left_margin(fp, left_margin);
	25
	26	for (i = 0; i < depth; i++)
	27	if (depth_mask & (1 << i))
	28	ret += fprintf(fp, "\| ");
	29	else
	30	ret += fprintf(fp, " ");
	31
	32	ret += fprintf(fp, "\n");
	33
	34	return ret;
	35	}
	36
	37	static size_t ipchain__fprintf_graph(FILE fp, struct callchain_list chain,
	38	int depth, int depth_mask, int period,
	39	u64 total_samples, u64 hits,
	40	int left_margin)
	41	{
	42	int i;
	43	size_t ret = 0;
	44
	45	ret += callchain__fprintf_left_margin(fp, left_margin);
	46	for (i = 0; i < depth; i++) {
	47	if (depth_mask & (1 << i))
	48	ret += fprintf(fp, "\|");
	49	else
	50	ret += fprintf(fp, " ");
	51	if (!period && i == depth - 1) {
	52	double percent;
	53
	54	percent = hits * 100.0 / total_samples;
	55	ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
	56	} else
	57	ret += fprintf(fp, "%s", " ");
	58	}
	59	if (chain->ms.sym)
	60	ret += fprintf(fp, "%s\n", chain->ms.sym->name);
	61	else
	62	ret += fprintf(fp, "0x%0" PRIx64 "\n", chain->ip);
	63
	64	return ret;
	65	}
	66
	67	static struct symbol *rem_sq_bracket;
	68	static struct callchain_list rem_hits;
	69
	70	static void init_rem_hits(void)
71	{
72	rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6);
73	if (!rem_sq_bracket) {
74	fprintf(stderr, "Not enough memory to display remaining hits\n");
75	return;
76	}
77
78	strcpy(rem_sq_bracket->name, "[...]");
79	rem_hits.ms.sym = rem_sq_bracket;
80	}
81
82	static size_t __callchain__fprintf_graph(FILE fp, struct rb_root root,
83	u64 total_samples, int depth,
84	int depth_mask, int left_margin)
85	{
86	struct rb_node node, next;
87	struct callchain_node *child;
88	struct callchain_list *chain;
89	int new_depth_mask = depth_mask;
90	u64 remaining;
91	size_t ret = 0;
92	int i;
93	uint entries_printed = 0;
94
95	remaining = total_samples;
96
97	node = rb_first(root);
98	while (node) {
99	u64 new_total;
100	u64 cumul;
101
102	child = rb_entry(node, struct callchain_node, rb_node);
103	cumul = callchain_cumul_hits(child);
104	remaining -= cumul;
105
106	/*
107	* The depth mask manages the output of pipes that show
108	* the depth. We don't want to keep the pipes of the current
109	* level for the last child of this depth.
110	* Except if we have remaining filtered hits. They will
111	* supersede the last child
112	*/
113	next = rb_next(node);
114	if (!next && (callchain_param.mode != CHAIN_GRAPH_REL \|\| !remaining))
115	new_depth_mask &= ~(1 << (depth - 1));
116
117	/*
118	* But we keep the older depth mask for the line separator
119	* to keep the level link until we reach the last child
120	*/
121	ret += ipchain__fprintf_graph_line(fp, depth, depth_mask,
122	left_margin);
123	i = 0;
124	list_for_each_entry(chain, &child->val, list) {
125	ret += ipchain__fprintf_graph(fp, chain, depth,
126	new_depth_mask, i++,
127	total_samples,
128	cumul,
129	left_margin);
130	}
131
132	if (callchain_param.mode == CHAIN_GRAPH_REL)
133	new_total = child->children_hit;
134	else
135	new_total = total_samples;
136
137	ret += __callchain__fprintf_graph(fp, &child->rb_root, new_total,
138	depth + 1,
139	new_depth_mask \| (1 << depth),
140	left_margin);
141	node = next;
142	if (++entries_printed == callchain_param.print_limit)
143	break;
144	}
145
146	if (callchain_param.mode == CHAIN_GRAPH_REL &&
147	remaining && remaining != total_samples) {
148
149	if (!rem_sq_bracket)
150	return ret;
151
152	new_depth_mask &= ~(1 << (depth - 1));
153	ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
154	new_depth_mask, 0, total_samples,
155	remaining, left_margin);
156	}
157
158	return ret;
159	}
160
161	static size_t callchain__fprintf_graph(FILE fp, struct rb_root root,
162	u64 total_samples, int left_margin)
163	{
164	struct callchain_node *cnode;
165	struct callchain_list *chain;
166	u32 entries_printed = 0;
167	bool printed = false;
168	struct rb_node *node;
169	int i = 0;
170	int ret = 0;
171
172	/*
173	* If have one single callchain root, don't bother printing
174	* its percentage (100 % in fractal mode and the same percentage
175	* than the hist in graph mode). This also avoid one level of column.
176	*/
177	node = rb_first(root);
178	if (node && !rb_next(node)) {
179	cnode = rb_entry(node, struct callchain_node, rb_node);
180	list_for_each_entry(chain, &cnode->val, list) {
181	/*
182	* If we sort by symbol, the first entry is the same than
183	* the symbol. No need to print it otherwise it appears as
184	* displayed twice.
185	*/
186	if (!i++ && sort__first_dimension == SORT_SYM)
187	continue;
188	if (!printed) {
189	ret += callchain__fprintf_left_margin(fp, left_margin);
190	ret += fprintf(fp, "\|\n");
191	ret += callchain__fprintf_left_margin(fp, left_margin);
192	ret += fprintf(fp, "---");
193	left_margin += 3;
194	printed = true;
195	} else
196	ret += callchain__fprintf_left_margin(fp, left_margin);
197
198	if (chain->ms.sym)
199	ret += fprintf(fp, " %s\n", chain->ms.sym->name);
200	else
201	ret += fprintf(fp, " %p\n", (void *)(long)chain->ip);
202
203	if (++entries_printed == callchain_param.print_limit)
204	break;
205	}
206	root = &cnode->rb_root;
207	}
208
209	ret += __callchain__fprintf_graph(fp, root, total_samples,
210	1, 1, left_margin);
211	ret += fprintf(fp, "\n");
212
213	return ret;
214	}
215
216	static size_t __callchain__fprintf_flat(FILE *fp,
217	struct callchain_node *self,
218	u64 total_samples)
219	{
220	struct callchain_list *chain;
221	size_t ret = 0;
222
223	if (!self)
224	return 0;
225
226	ret += __callchain__fprintf_flat(fp, self->parent, total_samples);
227
228
229	list_for_each_entry(chain, &self->val, list) {
230	if (chain->ip >= PERF_CONTEXT_MAX)
231	continue;
232	if (chain->ms.sym)
233	ret += fprintf(fp, " %s\n", chain->ms.sym->name);
234	else
235	ret += fprintf(fp, " %p\n",
236	(void *)(long)chain->ip);
237	}
238
239	return ret;
240	}
241
242	static size_t callchain__fprintf_flat(FILE fp, struct rb_root self,
243	u64 total_samples)
244	{
245	size_t ret = 0;
246	u32 entries_printed = 0;
247	struct rb_node *rb_node;
248	struct callchain_node *chain;
249
250	rb_node = rb_first(self);
251	while (rb_node) {
252	double percent;
253
254	chain = rb_entry(rb_node, struct callchain_node, rb_node);
255	percent = chain->hit * 100.0 / total_samples;
256
257	ret = percent_color_fprintf(fp, " %6.2f%%\n", percent);
258	ret += __callchain__fprintf_flat(fp, chain, total_samples);
259	ret += fprintf(fp, "\n");
260	if (++entries_printed == callchain_param.print_limit)
261	break;
262
263	rb_node = rb_next(rb_node);
264	}
265
266	return ret;
267	}
268
269	static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
270	u64 total_samples, int left_margin,
271	FILE *fp)
272	{
273	switch (callchain_param.mode) {
274	case CHAIN_GRAPH_REL:
b24c28f7	275	return callchain__fprintf_graph(fp, &he->sorted_chain, he->stat.period,
7ccf4f90 NK	276	left_margin);
	277	break;
	278	case CHAIN_GRAPH_ABS:
	279	return callchain__fprintf_graph(fp, &he->sorted_chain, total_samples,
	280	left_margin);
	281	break;
	282	case CHAIN_FLAT:
	283	return callchain__fprintf_flat(fp, &he->sorted_chain, total_samples);
	284	break;
	285	case CHAIN_NONE:
	286	break;
	287	default:
	288	pr_err("Bad callchain mode\n");
	289	}
	290
	291	return 0;
	292	}
	293
000078bc NK	294	static size_t hist_entry__callchain_fprintf(struct hist_entry *he,
000078bc NK	295	struct hists *hists,
b5ff71c3	296	FILE *fp)
000078bc NK	297	{
000078bc NK	298	int left_margin = 0;
b5ff71c3	299	u64 total_period = hists->stats.total_period;
000078bc NK	300
	301	if (sort__first_dimension == SORT_COMM) {
	302	struct sort_entry *se = list_first_entry(&hist_entry__sort_list,
	303	typeof(*se), list);
	304	left_margin = hists__col_len(hists, se->se_width_idx);
	305	left_margin -= thread__comm_len(he->thread);
	306	}
	307
	308	return hist_entry_callchain__fprintf(he, total_period, left_margin, fp);
	309	}
	310
be0e6d10 JO	311	static inline void advance_hpp(struct perf_hpp *hpp, int inc)
	312	{
	313	hpp->buf += inc;
	314	hpp->size -= inc;
	315	}
	316
	317	static int hist_entry__period_snprintf(struct perf_hpp *hpp,
	318	struct hist_entry *he,
	319	bool color)
	320	{
	321	const char *sep = symbol_conf.field_sep;
	322	struct perf_hpp_fmt *fmt;
	323	char *start = hpp->buf;
	324	int ret;
	325	bool first = true;
	326
	327	if (symbol_conf.exclude_other && !he->parent)
	328	return 0;
	329
	330	perf_hpp__for_each_format(fmt) {
	331	/*
	332	* If there's no field_sep, we still need
	333	* to display initial ' '.
	334	*/
	335	if (!sep \|\| !first) {
	336	ret = scnprintf(hpp->buf, hpp->size, "%s", sep ?: " ");
	337	advance_hpp(hpp, ret);
	338	} else
	339	first = false;
	340
	341	if (color && fmt->color)
	342	ret = fmt->color(fmt, hpp, he);
	343	else
	344	ret = fmt->entry(fmt, hpp, he);
	345
	346	advance_hpp(hpp, ret);
	347	}
	348
	349	return hpp->buf - start;
	350	}
	351
7ccf4f90	352	static int hist_entry__fprintf(struct hist_entry *he, size_t size,
99cf666c ACM	353	struct hists *hists,
99cf666c ACM	354	char bf, size_t bfsz, FILE fp)
7ccf4f90	355	{
7ccf4f90	356	int ret;
ea251d51 NK	357	struct perf_hpp hpp = {
	358	.buf = bf,
	359	.size = size,
ea251d51	360	};
9ffad987	361	bool color = !symbol_conf.field_sep;
7ccf4f90	362
99cf666c ACM	363	if (size == 0 \|\| size > bfsz)
99cf666c ACM	364	size = hpp.size = bfsz;
7ccf4f90	365
9ffad987	366	ret = hist_entry__period_snprintf(&hpp, he, color);
000078bc	367	hist_entry__sort_snprintf(he, bf + ret, size - ret, hists);
7ccf4f90	368
000078bc	369	ret = fprintf(fp, "%s\n", bf);
7ccf4f90	370
000078bc	371	if (symbol_conf.use_callchain)
b5ff71c3	372	ret += hist_entry__callchain_fprintf(he, hists, fp);
7ccf4f90	373
000078bc	374	return ret;
7ccf4f90 NK	375	}
7ccf4f90 NK	376
41724e4c	377	size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
064f1981	378	int max_cols, float min_pcnt, FILE *fp)
7ccf4f90	379	{
1240005e	380	struct perf_hpp_fmt *fmt;
7ccf4f90 NK	381	struct sort_entry *se;
	382	struct rb_node *nd;
	383	size_t ret = 0;
7ccf4f90 NK	384	unsigned int width;
	385	const char *sep = symbol_conf.field_sep;
	386	const char *col_width = symbol_conf.col_width_list_str;
1240005e	387	int nr_rows = 0;
ed279da2	388	char bf[96];
ea251d51 NK	389	struct perf_hpp dummy_hpp = {
	390	.buf = bf,
	391	.size = sizeof(bf),
5b9e2146	392	.ptr = hists_to_evsel(hists),
ea251d51	393	};
5395a048	394	bool first = true;
99cf666c ACM	395	size_t linesz;
99cf666c ACM	396	char *line = NULL;
7ccf4f90 NK	397
	398	init_rem_hits();
	399
	400	if (!show_header)
	401	goto print_entries;
	402
ea251d51	403	fprintf(fp, "# ");
7ccf4f90	404
1240005e	405	perf_hpp__for_each_format(fmt) {
5395a048	406	if (!first)
ea251d51	407	fprintf(fp, "%s", sep ?: " ");
5395a048 JO	408	else
5395a048 JO	409	first = false;
7ccf4f90	410
2c5d4b4a	411	fmt->header(fmt, &dummy_hpp);
ea251d51	412	fprintf(fp, "%s", bf);
7ccf4f90 NK	413	}
	414
	415	list_for_each_entry(se, &hist_entry__sort_list, list) {
	416	if (se->elide)
	417	continue;
	418	if (sep) {
	419	fprintf(fp, "%c%s", *sep, se->se_header);
	420	continue;
	421	}
	422	width = strlen(se->se_header);
	423	if (symbol_conf.col_width_list_str) {
	424	if (col_width) {
	425	hists__set_col_len(hists, se->se_width_idx,
	426	atoi(col_width));
	427	col_width = strchr(col_width, ',');
	428	if (col_width)
	429	++col_width;
	430	}
	431	}
	432	if (!hists__new_col_len(hists, se->se_width_idx, width))
	433	width = hists__col_len(hists, se->se_width_idx);
	434	fprintf(fp, " %*s", width, se->se_header);
	435	}
	436
	437	fprintf(fp, "\n");
	438	if (max_rows && ++nr_rows >= max_rows)
	439	goto out;
	440
	441	if (sep)
	442	goto print_entries;
	443
5395a048 JO	444	first = true;
5395a048 JO	445
ea251d51	446	fprintf(fp, "# ");
ea251d51	447
1240005e JO	448	perf_hpp__for_each_format(fmt) {
1240005e JO	449	unsigned int i;
ea251d51	450
5395a048	451	if (!first)
ea251d51	452	fprintf(fp, "%s", sep ?: " ");
5395a048 JO	453	else
5395a048 JO	454	first = false;
ea251d51	455
2c5d4b4a	456	width = fmt->width(fmt, &dummy_hpp);
ea251d51 NK	457	for (i = 0; i < width; i++)
ea251d51 NK	458	fprintf(fp, ".");
7ccf4f90	459	}
ea251d51	460
7ccf4f90 NK	461	list_for_each_entry(se, &hist_entry__sort_list, list) {
	462	unsigned int i;
	463
	464	if (se->elide)
	465	continue;
	466
	467	fprintf(fp, " ");
	468	width = hists__col_len(hists, se->se_width_idx);
	469	if (width == 0)
	470	width = strlen(se->se_header);
	471	for (i = 0; i < width; i++)
	472	fprintf(fp, ".");
	473	}
	474
	475	fprintf(fp, "\n");
	476	if (max_rows && ++nr_rows >= max_rows)
	477	goto out;
	478
	479	fprintf(fp, "#\n");
	480	if (max_rows && ++nr_rows >= max_rows)
	481	goto out;
	482
	483	print_entries:
99cf666c ACM	484	linesz = hists__sort_list_width(hists) + 3 + 1;
	485	line = malloc(linesz);
	486	if (line == NULL) {
	487	ret = -1;
	488	goto out;
	489	}
	490
7ccf4f90 NK	491	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
7ccf4f90 NK	492	struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
064f1981 NK	493	float percent = h->stat.period * 100.0 /
064f1981 NK	494	hists->stats.total_period;
7ccf4f90 NK	495
	496	if (h->filtered)
	497	continue;
	498
064f1981 NK	499	if (percent < min_pcnt)
	500	continue;
	501
99cf666c	502	ret += hist_entry__fprintf(h, max_cols, hists, line, linesz, fp);
7ccf4f90	503
7ccf4f90	504	if (max_rows && ++nr_rows >= max_rows)
99cf666c	505	break;
7ccf4f90 NK	506
	507	if (h->ms.map == NULL && verbose > 1) {
	508	__map_groups__fprintf_maps(&h->thread->mg,
	509	MAP__FUNCTION, verbose, fp);
	510	fprintf(fp, "%.10s end\n", graph_dotted_line);
	511	}
	512	}
99cf666c ACM	513
99cf666c ACM	514	free(line);
7ccf4f90 NK	515	out:
	516	free(rem_sq_bracket);
	517
	518	return ret;
	519	}
	520
52168eea	521	size_t events_stats__fprintf(struct events_stats stats, FILE fp)
7ccf4f90 NK	522	{
	523	int i;
	524	size_t ret = 0;
	525
	526	for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
	527	const char *name;
	528
52168eea	529	if (stats->nr_events[i] == 0)
7ccf4f90 NK	530	continue;
	531
	532	name = perf_event__name(i);
	533	if (!strcmp(name, "UNKNOWN"))
	534	continue;
	535
	536	ret += fprintf(fp, "%16s events: %10d\n", name,
52168eea	537	stats->nr_events[i]);
7ccf4f90 NK	538	}
	539
	540	return ret;
	541	}