perf evsel: Move fprintf methods to separate source file

They still use functions that would drag more stuff to the python
binding, where these fprintf methods are not used, so separate it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-xfp0mgq3hh3px61di6ixi1jk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 212 insertions, 0 deletions

diff --git a/tools/perf/util/evsel_fprintf.c b/tools/perf/util/evsel_fprintf.c
new file mode 100644
index 000000000000..3674e77ad640
--- /dev/null
+++ b/tools/perf/util/evsel_fprintf.c
@@ -0,0 +1,212 @@
+#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;
+	char s = print_oneline ? ' ' : '\t';
+
+	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)
+				goto next;
+
+			printed += fprintf(fp, "%-*.*s", left_alignment, left_alignment, " ");
+
+			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, 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");
+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 if (!(al->sym && al->sym->ignore)) {
+		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, 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;
+}