[PATCH 3/4] Add the fp_selection_helper function to set the file pointer for the related functions

[yuzhoujian]

Signed-off-by: yuzhoujian <yuzhouj...@didichuxing.com>
---
 tools/perf/builtin-script.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index f709f6f..89bab68 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1527,6 +1527,13 @@ static int cleanup_scripting(void)
        return scripting_ops ? scripting_ops->stop_script() : 0;
 }
 
+static FILE *fp_selection_helper(bool per_event_dump)
+{
+       if (per_event_dump == false)
+               return stdout;
+       else
+               return per_event_dump_file;
+}
 static int process_sample_event(struct perf_tool *tool,
                                union perf_event *event,
                                struct perf_sample *sample,
@@ -1566,7 +1573,7 @@ static int process_sample_event(struct perf_tool *tool,
        if (scripting_ops)
                scripting_ops->process_event(event, sample, evsel, &al);
        else {
-               fp = stdout;
+               fp = fp_selection_helper(tool->per_event_dump);
                process_event(scr, sample, evsel, &al, machine, fp);
        }
 
@@ -1634,7 +1641,7 @@ static int process_comm_event(struct perf_tool *tool,
                sample->tid = event->comm.tid;
                sample->pid = event->comm.pid;
        }
-       fp = stdout;
+       fp = fp_selection_helper(tool->per_event_dump);
        fprint_sample_start(sample, thread, evsel, fp);
        perf_event__fprintf(event, fp);
        ret = 0;
@@ -1671,7 +1678,7 @@ static int process_namespaces_event(struct perf_tool 
*tool,
                sample->tid = event->namespaces.tid;
                sample->pid = event->namespaces.pid;
        }
-       fp = stdout;
+       fp = fp_selection_helper(tool->per_event_dump);
        fprint_sample_start(sample, thread, evsel, fp);
        perf_event__fprintf(event, fp);
        ret = 0;
@@ -1706,7 +1713,7 @@ static int process_fork_event(struct perf_tool *tool,
                sample->tid = event->fork.tid;
                sample->pid = event->fork.pid;
        }
-       fp = stdout;
+       fp = fp_selection_helper(tool->per_event_dump);
        fprint_sample_start(sample, thread, evsel, fp);
        perf_event__fprintf(event, fp);
        thread__put(thread);
@@ -1737,7 +1744,7 @@ static int process_exit_event(struct perf_tool *tool,
                sample->tid = event->fork.tid;
                sample->pid = event->fork.pid;
        }
-       fp = stdout;
+       fp = fp_selection_helper(tool->per_event_dump);
        fprint_sample_start(sample, thread, evsel, fp);
        perf_event__fprintf(event, fp);
 
@@ -1774,7 +1781,7 @@ static int process_mmap_event(struct perf_tool *tool,
                sample->tid = event->mmap.tid;
                sample->pid = event->mmap.pid;
        }
-       fp = stdout;
+       fp = fp_selection_helper(tool->per_event_dump);
        fprint_sample_start(sample, thread, evsel, fp);
        perf_event__fprintf(event, fp);
        thread__put(thread);
@@ -1807,7 +1814,7 @@ static int process_mmap2_event(struct perf_tool *tool,
                sample->tid = event->mmap2.tid;
                sample->pid = event->mmap2.pid;
        }
-       fp = stdout;
+       fp = fp_selection_helper(tool->per_event_dump);
        fprint_sample_start(sample, thread, evsel, fp);
        perf_event__fprintf(event, fp);
        thread__put(thread);
@@ -1824,6 +1831,7 @@ static int process_switch_event(struct perf_tool *tool,
        struct perf_session *session = script->session;
        struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, 
sample->id);
        FILE *fp;
+
        if (perf_event__process_switch(tool, event, sample, machine) < 0)
                return -1;
 
@@ -1834,7 +1842,7 @@ static int process_switch_event(struct perf_tool *tool,
                return -1;
        }
 
-       fp = stdout;
+       fp = fp_selection_helper(tool->per_event_dump);
        fprint_sample_start(sample, thread, evsel, fp);
        perf_event__fprintf(event, fp);
        thread__put(thread);
-- 
1.8.3.1