path: root/tools/perf/builtin-script.c

#include "builtin.h"

#include "perf.h"
#include "util/cache.h"
#include "util/debug.h"
#include "util/exec_cmd.h"
#include "util/header.h"
#include "util/parse-options.h"
#include "util/session.h"
#include "util/symbol.h"
#include "util/thread.h"
#include "util/trace-event.h"
#include "util/parse-options.h"
#include "util/util.h"

static char const		*script_name;
static char const		*generate_script_lang;
static bool			debug_mode;
static u64			last_timestamp;
static u64			nr_unordered;
extern const struct option	record_options[];

enum perf_output_field {
	PERF_OUTPUT_COMM            = 1U << 0,
	PERF_OUTPUT_TID             = 1U << 1,
	PERF_OUTPUT_PID             = 1U << 2,
	PERF_OUTPUT_TIME            = 1U << 3,
	PERF_OUTPUT_CPU             = 1U << 4,
	PERF_OUTPUT_EVNAME          = 1U << 5,
	PERF_OUTPUT_TRACE           = 1U << 6,
};

struct output_option {
	const char *str;
	enum perf_output_field field;
} all_output_options[] = {
	{.str = "comm",  .field = PERF_OUTPUT_COMM},
	{.str = "tid",   .field = PERF_OUTPUT_TID},
	{.str = "pid",   .field = PERF_OUTPUT_PID},
	{.str = "time",  .field = PERF_OUTPUT_TIME},
	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
	{.str = "event", .field = PERF_OUTPUT_EVNAME},
	{.str = "trace", .field = PERF_OUTPUT_TRACE},
};

/* default set to maintain compatibility with current format */
static u64 output_fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \
			   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \
			   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE;

static bool output_set_by_user;

#define PRINT_FIELD(x)  (output_fields & PERF_OUTPUT_##x)

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;

	if (PRINT_FIELD(COMM)) {
		if (latency_format)
			printf("%8.8s ", thread->comm);
		else
			printf("%16s ", thread->comm);
	}

	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
		printf("%5d/%-5d ", sample->pid, sample->tid);
	else if (PRINT_FIELD(PID))
		printf("%5d ", sample->pid);
	else if (PRINT_FIELD(TID))
		printf("%5d ", sample->tid);

	if (PRINT_FIELD(CPU)) {
		if (latency_format)
			printf("%3d ", sample->cpu);
		else
			printf("[%03d] ", sample->cpu);
	}

	if (PRINT_FIELD(TIME)) {
		nsecs = sample->time;
		secs = nsecs / NSECS_PER_SEC;
		nsecs -= secs * NSECS_PER_SEC;
		usecs = nsecs / NSECS_PER_USEC;
		printf("%5lu.%06lu: ", secs, usecs);
	}

	if (PRINT_FIELD(EVNAME)) {
		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)
{
	print_sample_start(sample, thread);

	if (PRINT_FIELD(TRACE))
		print_trace_event(sample->cpu, sample->raw_data,
				  sample->raw_size);

	printf("\n");
}

static int default_start_script(const char *script __unused,
				int argc __unused,
				const char **argv __unused)
{
	return 0;
}

static int default_stop_script(void)
{
	return 0;
}

static int default_generate_script(const char *outfile __unused)
{
	return 0;
}

static struct scripting_ops default_scripting_ops = {
	.start_script		= default_start_script,
	.stop_script		= default_stop_script,
	.process_event		= process_event,