Commit 17ea1b70 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf tools: Pass the struct opt to the wildcard parsing routine



It is needed because it will call parse_event for each tracepoint
name that matches, and we pass the perf_evlist via opt->value.

Problem introduced in 4503fdd where my assumption about opt being
always non NULL made me not look at callers of parse_events outside
builtin-*.c.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent d7065adb
Loading
Loading
Loading
Loading
+11 −9
Original line number Original line Diff line number Diff line
@@ -446,8 +446,8 @@ parse_single_tracepoint_event(char *sys_name,
/* sys + ':' + event + ':' + flags*/
/* sys + ':' + event + ':' + flags*/
#define MAX_EVOPT_LEN	(MAX_EVENT_LENGTH * 2 + 2 + 128)
#define MAX_EVOPT_LEN	(MAX_EVENT_LENGTH * 2 + 2 + 128)
static enum event_result
static enum event_result
parse_multiple_tracepoint_event(char *sys_name, const char *evt_exp,
parse_multiple_tracepoint_event(const struct option *opt, char *sys_name,
				char *flags)
				const char *evt_exp, char *flags)
{
{
	char evt_path[MAXPATHLEN];
	char evt_path[MAXPATHLEN];
	struct dirent *evt_ent;
	struct dirent *evt_ent;
@@ -480,14 +480,15 @@ parse_multiple_tracepoint_event(char *sys_name, const char *evt_exp,
		if (len < 0)
		if (len < 0)
			return EVT_FAILED;
			return EVT_FAILED;


		if (parse_events(NULL, event_opt, 0))
		if (parse_events(opt, event_opt, 0))
			return EVT_FAILED;
			return EVT_FAILED;
	}
	}


	return EVT_HANDLED_ALL;
	return EVT_HANDLED_ALL;
}
}


static enum event_result parse_tracepoint_event(const char **strp,
static enum event_result
parse_tracepoint_event(const struct option *opt, const char **strp,
		       struct perf_event_attr *attr)
		       struct perf_event_attr *attr)
{
{
	const char *evt_name;
	const char *evt_name;
@@ -527,7 +528,7 @@ static enum event_result parse_tracepoint_event(const char **strp,
		return EVT_FAILED;
		return EVT_FAILED;
	if (strpbrk(evt_name, "*?")) {
	if (strpbrk(evt_name, "*?")) {
		*strp += strlen(sys_name) + evt_length + 1; /* 1 == the ':' */
		*strp += strlen(sys_name) + evt_length + 1; /* 1 == the ':' */
		return parse_multiple_tracepoint_event(sys_name, evt_name,
		return parse_multiple_tracepoint_event(opt, sys_name, evt_name,
						       flags);
						       flags);
	} else {
	} else {
		return parse_single_tracepoint_event(sys_name, evt_name,
		return parse_single_tracepoint_event(sys_name, evt_name,
@@ -737,11 +738,12 @@ parse_event_modifier(const char **strp, struct perf_event_attr *attr)
 * Symbolic names are (almost) exactly matched.
 * Symbolic names are (almost) exactly matched.
 */
 */
static enum event_result
static enum event_result
parse_event_symbols(const char **str, struct perf_event_attr *attr)
parse_event_symbols(const struct option *opt, const char **str,
		    struct perf_event_attr *attr)
{
{
	enum event_result ret;
	enum event_result ret;


	ret = parse_tracepoint_event(str, attr);
	ret = parse_tracepoint_event(opt, str, attr);
	if (ret != EVT_FAILED)
	if (ret != EVT_FAILED)
		goto modifier;
		goto modifier;


@@ -783,7 +785,7 @@ int parse_events(const struct option *opt, const char *str, int unset __used)


	for (;;) {
	for (;;) {
		memset(&attr, 0, sizeof(attr));
		memset(&attr, 0, sizeof(attr));
		ret = parse_event_symbols(&str, &attr);
		ret = parse_event_symbols(opt, &str, &attr);
		if (ret == EVT_FAILED)
		if (ret == EVT_FAILED)
			return -1;
			return -1;