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Subject[PATCH 19/20] perf, trace: Export event parsing helpers
Date
From: Borislav Petkov <borislav.petkov@amd.com>

Those are needed for the RAS daemon.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
---
tools/lib/trace/parse-events.c | 12 ++++++------
tools/lib/trace/parse-events.h | 5 +++++
tools/lib/trace/trace-event-info.c | 10 +++++-----
tools/lib/trace/trace-event.h | 2 ++
4 files changed, 18 insertions(+), 11 deletions(-)
diff --git a/tools/lib/trace/parse-events.c b/tools/lib/trace/parse-events.c
index 1f95f87..02fc69b 100644
--- a/tools/lib/trace/parse-events.c
+++ b/tools/lib/trace/parse-events.c
@@ -45,7 +45,7 @@ static int show_warning = 1;
warning(fmt, ##__VA_ARGS__); \
} while (0)

-static void init_input_buf(const char *buf, unsigned long long size)
+void init_input_buf(const char *buf, unsigned long long size)
{
input_buf = buf;
input_buf_siz = size;
@@ -585,7 +585,7 @@ void pevent_print_printk(struct pevent *pevent)
}
}

-static struct event_format *alloc_event(void)
+struct event_format *alloc_event(void)
{
struct event_format *event;

@@ -1079,7 +1079,7 @@ static int read_expected_item(enum event_type expect, const char *str)
return __read_expected(expect, str, 0);
}

-static char *event_read_name(void)
+char *event_read_name(void)
{
char *token;

@@ -1099,7 +1099,7 @@ static char *event_read_name(void)
return NULL;
}

-static int event_read_id(void)
+int event_read_id(void)
{
char *token;
int id;
@@ -1394,7 +1394,7 @@ fail_expect:
return -1;
}

-static int event_read_format(struct event_format *event)
+int event_read_format(struct event_format *event)
{
char *token;
int ret;
@@ -4287,7 +4287,7 @@ int pevent_parse_event(struct pevent *pevent,
if (strcmp(event->name, "bprint") == 0)
event->flags |= EVENT_FL_ISBPRINT;
}
-
+
event->id = event_read_id();
if (event->id < 0)
die("failed to read event id");
diff --git a/tools/lib/trace/parse-events.h b/tools/lib/trace/parse-events.h
index f967885..4d9400a 100644
--- a/tools/lib/trace/parse-events.h
+++ b/tools/lib/trace/parse-events.h
@@ -728,4 +728,9 @@ int pevent_update_trivial(struct event_filter *dest, struct event_filter *source

int pevent_filter_compare(struct event_filter *filter1, struct event_filter *filter2);

+extern struct event_format *alloc_event(void);
+extern void init_input_buf(const char *buf, unsigned long long size);
+extern char *event_read_name(void);
+extern int event_read_id(void);
+extern int event_read_format(struct event_format *event);
#endif /* _PARSE_EVENTS_H */
diff --git a/tools/lib/trace/trace-event-info.c b/tools/lib/trace/trace-event-info.c
index 98faa44..8188c59 100644
--- a/tools/lib/trace/trace-event-info.c
+++ b/tools/lib/trace/trace-event-info.c
@@ -136,7 +136,7 @@ static const char *find_tracing_dir(void)
return tracing;
}

-static char *get_tracing_file(const char *name)
+char *get_tracing_file(const char *name)
{
const char *tracing;
char *file;
@@ -231,7 +231,7 @@ static unsigned long get_size_fd(int fd)
return size;
}

-static unsigned long get_size(const char *file)
+unsigned long get_filesize(const char *file)
{
unsigned long long size = 0;
int fd;
@@ -340,7 +340,7 @@ static void copy_event_system(const char *sys, struct tracepoint_path *tps)

if (ret >= 0) {
/* unfortunately, you can not stat debugfs files for size */
- size = get_size(format);
+ size = get_filesize(format);
write_or_die(&size, 8);
check_size = copy_file(format);
if (size != check_size)
@@ -438,7 +438,7 @@ static void read_proc_kallsyms(void)
write_or_die(&size, 4);
return;
}
- size = get_size(path);
+ size = get_filesize(path);
write_or_die(&size, 4);
check_size = copy_file(path);
if (size != check_size)
@@ -461,7 +461,7 @@ static void read_ftrace_printk(void)
write_or_die(&size, 4);
goto out;
}
- size = get_size(path);
+ size = get_filesize(path);
write_or_die(&size, 4);
check_size = copy_file(path);
if (size != check_size)
diff --git a/tools/lib/trace/trace-event.h b/tools/lib/trace/trace-event.h
index 9c9d342..c7e8e0b 100644
--- a/tools/lib/trace/trace-event.h
+++ b/tools/lib/trace/trace-event.h
@@ -76,6 +76,8 @@ struct event_format *trace_find_event(int id);
#endif
struct event_format *trace_find_next_event(struct event_format *event);
unsigned long long read_size(void *ptr, int size);
+unsigned long get_filesize(const char *file);
+char *get_tracing_file(const char *name);
#if 0
unsigned long long
raw_field_value(struct event_format *event, const char *name, void *data);
--
1.7.3.1


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