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Subject[PATCH 3/6] perf script: move printing of 'common' data from print_event and rename
Date
This change does impact output: latency data is trace specific and is now
printed after the common data - comm, tid, cpu, time and event name.

Signed-off-by: David Ahern <daahern@cisco.com>
---
tools/perf/builtin-script.c | 38 ++++++++++++++++++++++-----
tools/perf/util/trace-event-parse.c | 49 +++++++---------------------------
tools/perf/util/trace-event.h | 3 +-
3 files changed, 42 insertions(+), 48 deletions(-)
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index b2bdd55..0a79da2 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -20,18 +20,42 @@ static u64 last_timestamp;
static u64 nr_unordered;
extern const struct option record_options[];

+static void print_sample_start(struct perf_sample *sample,
+ struct thread *thread)
+{
+ int type;
+ struct event *event;
+ const char *evname = NULL;
+ unsigned long secs;
+ unsigned long usecs;
+ unsigned long long nsecs = sample->time;
+
+ if (latency_format)
+ printf("%8.8s-%-5d %3d", thread->comm, sample->tid, sample->cpu);
+ else
+ printf("%16s-%-5d [%03d]", thread->comm, sample->tid, sample->cpu);
+
+ secs = nsecs / NSECS_PER_SEC;
+ nsecs -= secs * NSECS_PER_SEC;
+ usecs = nsecs / NSECS_PER_USEC;
+ printf(" %5lu.%06lu: ", secs, usecs);
+
+ type = trace_parse_common_type(sample->raw_data);
+ event = trace_find_event(type);
+ if (event)
+ evname = event->name;
+
+ printf("%s: ", evname ? evname : "(unknown)");
+}
+
static void process_event(union perf_event *event __unused,
struct perf_sample *sample,
struct perf_session *session __unused,
struct thread *thread)
{
- /*
- * FIXME: better resolve from pid from the struct trace_entry
- * field, although it should be the same than this perf
- * event pid
- */
- print_event(sample->cpu, sample->raw_data, sample->raw_size,
- sample->time, thread->comm);
+ print_sample_start(sample, thread);
+ print_trace_event(sample->cpu, sample->raw_data, sample->raw_size);
+ printf("\n");
}

static int default_start_script(const char *script __unused,
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index dd5f058..0a7ed5b 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -2643,9 +2643,9 @@ static void print_lat_fmt(void *data, int size __unused)
printf(".");

if (lock_depth < 0)
- printf(".");
+ printf(". ");
else
- printf("%d", lock_depth);
+ printf("%d ", lock_depth);
}

#define TRACE_GRAPH_INDENT 2
@@ -2821,18 +2821,13 @@ static void print_graph_nested(struct event *event, void *data)

static void
pretty_print_func_ent(void *data, int size, struct event *event,
- int cpu, int pid, const char *comm __unused,
- unsigned long secs, unsigned long usecs)
+ int cpu, int pid)
{
struct format_field *field;
struct record *rec;
void *copy_data;
unsigned long val;

- printf("%5lu.%06lu | ", secs, usecs);
-
- printf(" | ");
-
if (latency_format) {
print_lat_fmt(data, size);
printf(" | ");
@@ -2865,19 +2860,13 @@ out_free:
}

static void
-pretty_print_func_ret(void *data, int size __unused, struct event *event,
- int cpu __unused, int pid __unused, const char *comm __unused,
- unsigned long secs, unsigned long usecs)
+pretty_print_func_ret(void *data, int size __unused, struct event *event)
{
unsigned long long rettime, calltime;
unsigned long long duration, depth;
struct format_field *field;
int i;

- printf("%5lu.%06lu | ", secs, usecs);
-
- printf(" | ");
-
if (latency_format) {
print_lat_fmt(data, size);
printf(" | ");
@@ -2915,31 +2904,21 @@ pretty_print_func_ret(void *data, int size __unused, struct event *event,

static void
pretty_print_func_graph(void *data, int size, struct event *event,
- int cpu, int pid, const char *comm,
- unsigned long secs, unsigned long usecs)
+ int cpu, int pid)
{
if (event->flags & EVENT_FL_ISFUNCENT)
- pretty_print_func_ent(data, size, event,
- cpu, pid, comm, secs, usecs);
+ pretty_print_func_ent(data, size, event, cpu, pid);
else if (event->flags & EVENT_FL_ISFUNCRET)
- pretty_print_func_ret(data, size, event,
- cpu, pid, comm, secs, usecs);
+ pretty_print_func_ret(data, size, event);
printf("\n");
}

-void print_event(int cpu, void *data, int size, unsigned long long nsecs,
- char *comm)
+void print_trace_event(int cpu, void *data, int size)
{
struct event *event;
- unsigned long secs;
- unsigned long usecs;
int type;
int pid;

- secs = nsecs / NSECS_PER_SEC;
- nsecs -= secs * NSECS_PER_SEC;
- usecs = nsecs / NSECS_PER_USEC;
-
type = trace_parse_common_type(data);

event = trace_find_event(type);
@@ -2951,17 +2930,10 @@ void print_event(int cpu, void *data, int size, unsigned long long nsecs,
pid = trace_parse_common_pid(data);

if (event->flags & (EVENT_FL_ISFUNCENT | EVENT_FL_ISFUNCRET))
- return pretty_print_func_graph(data, size, event, cpu,
- pid, comm, secs, usecs);
+ return pretty_print_func_graph(data, size, event, cpu, pid);

- if (latency_format) {
- printf("%8.8s-%-5d %3d",
- comm, pid, cpu);
+ if (latency_format)
print_lat_fmt(data, size);
- } else
- printf("%16s-%-5d [%03d]", comm, pid, cpu);
-
- printf(" %5lu.%06lu: %s: ", secs, usecs, event->name);

if (event->flags & EVENT_FL_FAILED) {
printf("EVENT '%s' FAILED TO PARSE\n",
@@ -2970,7 +2942,6 @@ void print_event(int cpu, void *data, int size, unsigned long long nsecs,
}

pretty_print(data, size, event);
- printf("\n");
}

static void print_fields(struct print_flag_sym *field)
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 5f7b513..b04da57 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -177,8 +177,7 @@ void print_printk(void);

int parse_ftrace_file(char *buf, unsigned long size);
int parse_event_file(char *buf, unsigned long size, char *sys);
-void print_event(int cpu, void *data, int size, unsigned long long nsecs,
- char *comm);
+void print_trace_event(int cpu, void *data, int size);

extern int file_bigendian;
extern int host_bigendian;
--
1.7.4


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