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perf tools: Introduce event_format__fprintf method

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The existing one, event_format__print() uses stdout unconditionally,
and 'perf trace' needs to use it to format into a file that may have
been set by the user, i.e. 'trace -o file.output'.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-7l0mgm91hwg0bby00s5pse8r@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-02-03 12:46:58 -03:00
parent 402bb4e6ec
commit aa1aac17a1
2 changed files with 12 additions and 3 deletions
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12
tools/perf/util/trace-event-parse.c
View File

@ -112,8 +112,8 @@ unsigned long long read_size(struct event_format *event, void *ptr, int size)
return pevent_read_number(event->pevent, ptr, size);
}
void event_format__print(struct event_format *event,
int cpu, void *data, int size)
void event_format__fprintf(struct event_format *event,
int cpu, void *data, int size, FILE *fp)
{
struct pevent_record record;
struct trace_seq s;
@ -125,10 +125,16 @@ void event_format__print(struct event_format *event,
trace_seq_init(&s);
pevent_event_info(&s, event, &record);
trace_seq_do_printf(&s);
trace_seq_do_fprintf(&s, fp);
trace_seq_destroy(&s);
}
void event_format__print(struct event_format *event,
int cpu, void *data, int size)
{
return event_format__fprintf(event, cpu, data, size, stdout);
}
void parse_proc_kallsyms(struct pevent *pevent,
char *file, unsigned int size __maybe_unused)
{

3
tools/perf/util/trace-event.h
View File

@ -23,6 +23,9 @@ trace_event__tp_format(const char *sys, const char *name);
int bigendian(void);
void event_format__fprintf(struct event_format *event,
int cpu, void *data, int size, FILE *fp);
void event_format__print(struct event_format *event,
int cpu, void *data, int size);