[mirror_ubuntu-artful-kernel.git] / tools / perf / util / evsel_fprintf.c

#include <stdio.h>
#include <stdbool.h>
#include <traceevent/event-parse.h>
#include "evsel.h"
#include "callchain.h"
#include "map.h"
#include "symbol.h"

static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...)
{
	va_list args;
	int ret = 0;

	if (!*first) {
		ret += fprintf(fp, ",");
	} else {
		ret += fprintf(fp, ":");
		*first = false;
	}

	va_start(args, fmt);
	ret += vfprintf(fp, fmt, args);
	va_end(args);
	return ret;
}

static int __print_attr__fprintf(FILE *fp, const char *name, const char *val, void *priv)
{
	return comma_fprintf(fp, (bool *)priv, " %s: %s", name, val);
}

int perf_evsel__fprintf(struct perf_evsel *evsel,
			struct perf_attr_details *details, FILE *fp)
{
	bool first = true;
	int printed = 0;

	if (details->event_group) {
		struct perf_evsel *pos;

		if (!perf_evsel__is_group_leader(evsel))
			return 0;

		if (evsel->nr_members > 1)
			printed += fprintf(fp, "%s{", evsel->group_name ?: "");

		printed += fprintf(fp, "%s", perf_evsel__name(evsel));
		for_each_group_member(pos, evsel)
			printed += fprintf(fp, ",%s", perf_evsel__name(pos));

		if (evsel->nr_members > 1)
			printed += fprintf(fp, "}");
		goto out;
	}

	printed += fprintf(fp, "%s", perf_evsel__name(evsel));

	if (details->verbose) {
		printed += perf_event_attr__fprintf(fp, &evsel->attr,
						    __print_attr__fprintf, &first);
	} else if (details->freq) {
		const char *term = "sample_freq";

		if (!evsel->attr.freq)
			term = "sample_period";

		printed += comma_fprintf(fp, &first, " %s=%" PRIu64,
					 term, (u64)evsel->attr.sample_freq);
	}

	if (details->trace_fields) {
		struct format_field *field;

		if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
			printed += comma_fprintf(fp, &first, " (not a tracepoint)");
			goto out;
		}

		field = evsel->tp_format->format.fields;
		if (field == NULL) {
			printed += comma_fprintf(fp, &first, " (no trace field)");
			goto out;
		}

		printed += comma_fprintf(fp, &first, " trace_fields: %s", field->name);

		field = field->next;
		while (field) {
			printed += comma_fprintf(fp, &first, "%s", field->name);
			field = field->next;
		}
	}
out:
	fputc('\n', fp);
	return ++printed;
}

int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
			      unsigned int print_opts, struct callchain_cursor *cursor,
			      FILE *fp)
{
	int printed = 0;
	struct callchain_cursor_node *node;
	int print_ip = print_opts & EVSEL__PRINT_IP;
	int print_sym = print_opts & EVSEL__PRINT_SYM;
	int print_dso = print_opts & EVSEL__PRINT_DSO;
	int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
	int print_oneline = print_opts & EVSEL__PRINT_ONELINE;
	int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
	int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
	int print_arrow = print_opts & EVSEL__PRINT_CALLCHAIN_ARROW;
	int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED;
	char s = print_oneline ? ' ' : '\t';
	bool first = true;

	if (sample->callchain) {
		struct addr_location node_al;

		callchain_cursor_commit(cursor);

		while (1) {
			u64 addr = 0;

			node = callchain_cursor_current(cursor);
			if (!node)
				break;

			if (node->sym && node->sym->ignore && print_skip_ignored)
				goto next;

			printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");

			if (print_arrow && !first)
				printed += fprintf(fp, " <-");

			if (print_ip)
				printed += fprintf(fp, "%c%16" PRIx64, s, node->ip);

			if (node->map)
				addr = node->map->map_ip(node->map, node->ip);

			if (print_sym) {
				printed += fprintf(fp, " ");
				node_al.addr = addr;
				node_al.map  = node->map;

				if (print_symoffset) {
					printed += __symbol__fprintf_symname_offs(node->sym, &node_al,
										  print_unknown_as_addr,
										  true, fp);
				} else {
					printed += __symbol__fprintf_symname(node->sym, &node_al,
									     print_unknown_as_addr, fp);
				}
			}

			if (print_dso) {
				printed += fprintf(fp, " (");
				printed += map__fprintf_dsoname(node->map, fp);
				printed += fprintf(fp, ")");
			}

			if (print_srcline)
				printed += map__fprintf_srcline(node->map, addr, "\n  ", fp);

			if (!print_oneline)
				printed += fprintf(fp, "\n");

			first = false;
next:
			callchain_cursor_advance(cursor);
		}
	}

	return printed;
}

int sample__fprintf_sym(struct perf_sample *sample, struct addr_location *al,
			int left_alignment, unsigned int print_opts,
			struct callchain_cursor *cursor, FILE *fp)
{
	int printed = 0;
	int print_ip = print_opts & EVSEL__PRINT_IP;
	int print_sym = print_opts & EVSEL__PRINT_SYM;
	int print_dso = print_opts & EVSEL__PRINT_DSO;
	int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
	int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
	int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;

	if (cursor != NULL) {
		printed += sample__fprintf_callchain(sample, left_alignment,
						     print_opts, cursor, fp);
	} else {
		printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");

		if (print_ip)
			printed += fprintf(fp, "%16" PRIx64, sample->ip);

		if (print_sym) {
			printed += fprintf(fp, " ");
			if (print_symoffset) {
				printed += __symbol__fprintf_symname_offs(al->sym, al,
									  print_unknown_as_addr,
									  true, fp);
			} else {
				printed += __symbol__fprintf_symname(al->sym, al,
								     print_unknown_as_addr, fp);
			}
		}

		if (print_dso) {
			printed += fprintf(fp, " (");
			printed += map__fprintf_dsoname(al->map, fp);
			printed += fprintf(fp, ")");
		}

		if (print_srcline)
			printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
	}

	return printed;
}
Commit	Line	Data
25da4fab ACM	1	#include <stdio.h>
	2	#include <stdbool.h>
	3	#include <traceevent/event-parse.h>
	4	#include "evsel.h"
	5	#include "callchain.h"
	6	#include "map.h"
	7	#include "symbol.h"
	8
	9	static int comma_fprintf(FILE fp, bool first, const char *fmt, ...)
	10	{
	11	va_list args;
	12	int ret = 0;
	13
	14	if (!*first) {
	15	ret += fprintf(fp, ",");
	16	} else {
	17	ret += fprintf(fp, ":");
	18	*first = false;
	19	}
	20
	21	va_start(args, fmt);
	22	ret += vfprintf(fp, fmt, args);
	23	va_end(args);
	24	return ret;
	25	}
	26
	27	static int __print_attr__fprintf(FILE fp, const char name, const char val, void priv)
	28	{
	29	return comma_fprintf(fp, (bool *)priv, " %s: %s", name, val);
	30	}
	31
	32	int perf_evsel__fprintf(struct perf_evsel *evsel,
	33	struct perf_attr_details details, FILE fp)
	34	{
	35	bool first = true;
	36	int printed = 0;
	37
	38	if (details->event_group) {
	39	struct perf_evsel *pos;
	40
	41	if (!perf_evsel__is_group_leader(evsel))
	42	return 0;
	43
	44	if (evsel->nr_members > 1)
	45	printed += fprintf(fp, "%s{", evsel->group_name ?: "");
	46
	47	printed += fprintf(fp, "%s", perf_evsel__name(evsel));
	48	for_each_group_member(pos, evsel)
	49	printed += fprintf(fp, ",%s", perf_evsel__name(pos));
	50
	51	if (evsel->nr_members > 1)
	52	printed += fprintf(fp, "}");
	53	goto out;
	54	}
	55
	56	printed += fprintf(fp, "%s", perf_evsel__name(evsel));
	57
	58	if (details->verbose) {
	59	printed += perf_event_attr__fprintf(fp, &evsel->attr,
	60	__print_attr__fprintf, &first);
	61	} else if (details->freq) {
	62	const char *term = "sample_freq";
	63
	64	if (!evsel->attr.freq)
65	term = "sample_period";
66
67	printed += comma_fprintf(fp, &first, " %s=%" PRIu64,
68	term, (u64)evsel->attr.sample_freq);
69	}
70
71	if (details->trace_fields) {
72	struct format_field *field;
73
74	if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
75	printed += comma_fprintf(fp, &first, " (not a tracepoint)");
76	goto out;
77	}
78
79	field = evsel->tp_format->format.fields;
80	if (field == NULL) {
81	printed += comma_fprintf(fp, &first, " (no trace field)");
82	goto out;
83	}
84
85	printed += comma_fprintf(fp, &first, " trace_fields: %s", field->name);
86
87	field = field->next;
88	while (field) {
89	printed += comma_fprintf(fp, &first, "%s", field->name);
90	field = field->next;
91	}
92	}
93	out:
94	fputc('\n', fp);
95	return ++printed;
96	}
97
98	int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment,
99	unsigned int print_opts, struct callchain_cursor *cursor,
100	FILE *fp)
101	{
102	int printed = 0;
103	struct callchain_cursor_node *node;
104	int print_ip = print_opts & EVSEL__PRINT_IP;
105	int print_sym = print_opts & EVSEL__PRINT_SYM;
106	int print_dso = print_opts & EVSEL__PRINT_DSO;
107	int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
108	int print_oneline = print_opts & EVSEL__PRINT_ONELINE;
109	int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
110	int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
69b7e480	111	int print_arrow = print_opts & EVSEL__PRINT_CALLCHAIN_ARROW;
2d9bbf6e	112	int print_skip_ignored = print_opts & EVSEL__PRINT_SKIP_IGNORED;
25da4fab	113	char s = print_oneline ? ' ' : '\t';
69b7e480	114	bool first = true;
25da4fab ACM	115
	116	if (sample->callchain) {
	117	struct addr_location node_al;
	118
	119	callchain_cursor_commit(cursor);
	120
	121	while (1) {
	122	u64 addr = 0;
	123
	124	node = callchain_cursor_current(cursor);
	125	if (!node)
	126	break;
	127
2d9bbf6e NK	128	if (node->sym && node->sym->ignore && print_skip_ignored)
	129	goto next;
	130
25da4fab ACM	131	printed += fprintf(fp, "%-.s", left_alignment, left_alignment, " ");
25da4fab ACM	132
69b7e480 NK	133	if (print_arrow && !first)
	134	printed += fprintf(fp, " <-");
	135
25da4fab ACM	136	if (print_ip)
	137	printed += fprintf(fp, "%c%16" PRIx64, s, node->ip);
	138
	139	if (node->map)
	140	addr = node->map->map_ip(node->map, node->ip);
	141
	142	if (print_sym) {
	143	printed += fprintf(fp, " ");
	144	node_al.addr = addr;
	145	node_al.map = node->map;
	146
	147	if (print_symoffset) {
	148	printed += __symbol__fprintf_symname_offs(node->sym, &node_al,
a8763445 NK	149	print_unknown_as_addr,
a8763445 NK	150	true, fp);
25da4fab ACM	151	} else {
	152	printed += __symbol__fprintf_symname(node->sym, &node_al,
	153	print_unknown_as_addr, fp);
	154	}
	155	}
	156
	157	if (print_dso) {
	158	printed += fprintf(fp, " (");
	159	printed += map__fprintf_dsoname(node->map, fp);
	160	printed += fprintf(fp, ")");
	161	}
	162
	163	if (print_srcline)
	164	printed += map__fprintf_srcline(node->map, addr, "\n ", fp);
	165
	166	if (!print_oneline)
	167	printed += fprintf(fp, "\n");
e7a06a53	168
69b7e480	169	first = false;
2d9bbf6e NK	170	next:
2d9bbf6e NK	171	callchain_cursor_advance(cursor);
25da4fab ACM	172	}
	173	}
	174
	175	return printed;
	176	}
	177
	178	int sample__fprintf_sym(struct perf_sample sample, struct addr_location al,
	179	int left_alignment, unsigned int print_opts,
	180	struct callchain_cursor cursor, FILE fp)
	181	{
	182	int printed = 0;
	183	int print_ip = print_opts & EVSEL__PRINT_IP;
	184	int print_sym = print_opts & EVSEL__PRINT_SYM;
	185	int print_dso = print_opts & EVSEL__PRINT_DSO;
	186	int print_symoffset = print_opts & EVSEL__PRINT_SYMOFFSET;
	187	int print_srcline = print_opts & EVSEL__PRINT_SRCLINE;
	188	int print_unknown_as_addr = print_opts & EVSEL__PRINT_UNKNOWN_AS_ADDR;
	189
	190	if (cursor != NULL) {
	191	printed += sample__fprintf_callchain(sample, left_alignment,
	192	print_opts, cursor, fp);
e7a06a53	193	} else {
25da4fab ACM	194	printed += fprintf(fp, "%-.s", left_alignment, left_alignment, " ");
	195
	196	if (print_ip)
	197	printed += fprintf(fp, "%16" PRIx64, sample->ip);
	198
	199	if (print_sym) {
	200	printed += fprintf(fp, " ");
	201	if (print_symoffset) {
	202	printed += __symbol__fprintf_symname_offs(al->sym, al,
a8763445 NK	203	print_unknown_as_addr,
a8763445 NK	204	true, fp);
25da4fab ACM	205	} else {
	206	printed += __symbol__fprintf_symname(al->sym, al,
	207	print_unknown_as_addr, fp);
	208	}
	209	}
	210
	211	if (print_dso) {
	212	printed += fprintf(fp, " (");
	213	printed += map__fprintf_dsoname(al->map, fp);
	214	printed += fprintf(fp, ")");
	215	}
	216
	217	if (print_srcline)
	218	printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
	219	}
	220
	221	return printed;
	222	}