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Subject[PATCH 2/2] perf scripting: No need to pass thread twice to the scripting callbacks
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

It is already in the addr_location, so remove the redundant 'thread'
parameter from the callback signatures.

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: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-fuj5cj0uxc5a8j9xr2mqfwav@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-script.c | 6 +++---
tools/perf/util/scripting-engines/trace-event-perl.c | 5 ++---
tools/perf/util/scripting-engines/trace-event-python.c | 13 +++++--------
tools/perf/util/trace-event-scripting.c | 1 -
tools/perf/util/trace-event.h | 3 +--
5 files changed, 11 insertions(+), 17 deletions(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index c286b49c81b2..257dd066cb1a 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -446,9 +446,9 @@ static void print_sample_bts(union perf_event *event,
}

static void process_event(union perf_event *event, struct perf_sample *sample,
- struct perf_evsel *evsel, struct thread *thread,
- struct addr_location *al)
+ struct perf_evsel *evsel, struct addr_location *al)
{
+ struct thread *thread = al->thread;
struct perf_event_attr *attr = &evsel->attr;

if (output[attr->type].fields == 0)
@@ -573,7 +573,7 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
return 0;

- scripting_ops->process_event(event, sample, evsel, al.thread, &al);
+ scripting_ops->process_event(event, sample, evsel, &al);

return 0;
}
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index 8171fed4136e..430b5d27828e 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -360,10 +360,9 @@ static void perl_process_event_generic(union perf_event *event,
static void perl_process_event(union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
- struct thread *thread,
- struct addr_location *al __maybe_unused)
+ struct addr_location *al)
{
- perl_process_tracepoint(sample, evsel, thread);
+ perl_process_tracepoint(sample, evsel, al->thread);
perl_process_event_generic(event, sample, evsel);
}

diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 2ec5dfb5a456..de8df1d5e1bd 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -381,7 +381,6 @@ exit:

static void python_process_tracepoint(struct perf_sample *sample,
struct perf_evsel *evsel,
- struct thread *thread,
struct addr_location *al)
{
struct event_format *event = evsel->tp_format;
@@ -395,7 +394,7 @@ static void python_process_tracepoint(struct perf_sample *sample,
int cpu = sample->cpu;
void *data = sample->raw_data;
unsigned long long nsecs = sample->time;
- const char *comm = thread__comm_str(thread);
+ const char *comm = thread__comm_str(al->thread);

t = PyTuple_New(MAX_FIELDS);
if (!t)
@@ -766,7 +765,6 @@ static int python_process_call_return(struct call_return *cr, void *data)

static void python_process_general_event(struct perf_sample *sample,
struct perf_evsel *evsel,
- struct thread *thread,
struct addr_location *al)
{
PyObject *handler, *t, *dict, *callchain, *dict_sample;
@@ -816,7 +814,7 @@ static void python_process_general_event(struct perf_sample *sample,
pydict_set_item_string_decref(dict, "raw_buf", PyString_FromStringAndSize(
(const char *)sample->raw_data, sample->raw_size));
pydict_set_item_string_decref(dict, "comm",
- PyString_FromString(thread__comm_str(thread)));
+ PyString_FromString(thread__comm_str(al->thread)));
if (al->map) {
pydict_set_item_string_decref(dict, "dso",
PyString_FromString(al->map->dso->name));
@@ -843,22 +841,21 @@ exit:
static void python_process_event(union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
- struct thread *thread,
struct addr_location *al)
{
struct tables *tables = &tables_global;

switch (evsel->attr.type) {
case PERF_TYPE_TRACEPOINT:
- python_process_tracepoint(sample, evsel, thread, al);
+ python_process_tracepoint(sample, evsel, al);
break;
/* Reserve for future process_hw/sw/raw APIs */
default:
if (tables->db_export_mode)
db_export__sample(&tables->dbe, event, sample, evsel,
- thread, al);
+ al->thread, al);
else
- python_process_general_event(sample, evsel, thread, al);
+ python_process_general_event(sample, evsel, al);
}
}

diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c
index 5c9bdd1591a9..9df61059a85d 100644
--- a/tools/perf/util/trace-event-scripting.c
+++ b/tools/perf/util/trace-event-scripting.c
@@ -43,7 +43,6 @@ static int stop_script_unsupported(void)
static void process_event_unsupported(union perf_event *event __maybe_unused,
struct perf_sample *sample __maybe_unused,
struct perf_evsel *evsel __maybe_unused,
- struct thread *thread __maybe_unused,
struct addr_location *al __maybe_unused)
{
}
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 356629a30ca9..d5168f0be4ec 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -72,8 +72,7 @@ struct scripting_ops {
void (*process_event) (union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
- struct thread *thread,
- struct addr_location *al);
+ struct addr_location *al);
int (*generate_script) (struct pevent *pevent, const char *outfile);
};

--
1.9.3


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