blob: fa987bc49294a84e823cb31491b03f0662929591 [file] [log] [blame]
* Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License (not later!)
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#ifndef __TRACE_LOCAL_H
#define __TRACE_LOCAL_H
#include <sys/types.h>
#include <dirent.h> /* for DIR */
#include "trace-cmd.h"
#include "event-utils.h"
extern int debug;
/* fix stupid glib guint64 typecasts and printf formats */
typedef unsigned long long u64;
struct buffer_instance;
/* for local shared information with trace-cmd executable */
void usage(char **argv);
extern int silence_warnings;
extern int show_status;
struct pid_record_data {
int pid;
int brass[2];
int cpu;
int closed;
struct tracecmd_input *stream;
struct buffer_instance *instance;
struct pevent_record *record;
void show_file(const char *name);
struct tracecmd_input *read_trace_header(const char *file);
int read_trace_files(void);
void trace_record(int argc, char **argv);
void trace_report(int argc, char **argv);
void trace_split(int argc, char **argv);
void trace_listen(int argc, char **argv);
void trace_restore(int argc, char **argv);
void trace_check_events(int argc, char **argv);
void trace_stack(int argc, char **argv);
void trace_option(int argc, char **argv);
void trace_hist(int argc, char **argv);
void trace_snapshot(int argc, char **argv);
void trace_mem(int argc, char **argv);
void trace_stat(int argc, char **argv);
void trace_show(int argc, char **argv);
void trace_list(int argc, char **argv);
void trace_usage(int argc, char **argv);
struct hook_list;
void trace_init_profile(struct tracecmd_input *handle, struct hook_list *hooks,
int global);
int trace_profile(void);
void trace_profile_set_merge_like_comms(void);
struct tracecmd_input *
trace_stream_init(struct buffer_instance *instance, int cpu, int fd, int cpus,
struct hook_list *hooks,
tracecmd_handle_init_func handle_init, int global);
int trace_stream_read(struct pid_record_data *pids, int nr_pids, struct timeval *tv);
void trace_show_data(struct tracecmd_input *handle, struct pevent_record *record);
/* --- event interation --- */
* Use this to iterate through the event directories
enum event_process {
enum process_type {
struct event_iter {
DIR *system_dir;
DIR *event_dir;
struct dirent *system_dent;
struct dirent *event_dent;
enum event_iter_type {
struct event_iter *trace_event_iter_alloc(const char *path);
enum event_iter_type trace_event_iter_next(struct event_iter *iter,
const char *path, const char *system);
void trace_event_iter_free(struct event_iter *iter);
char *append_file(const char *dir, const char *name);
char *get_file_content(const char *file);
char *strstrip(char *str);
/* --- instance manipulation --- */
struct func_list {
struct func_list *next;
const char *func;
struct buffer_instance {
struct buffer_instance *next;
const char *name;
char *cpumask;
struct event_list *events;
struct event_list **event_next;
struct event_list *sched_switch_event;
struct event_list *sched_wakeup_event;
struct event_list *sched_wakeup_new_event;
const char *plugin;
struct func_list *filter_funcs;
struct func_list *notrace_funcs;
const char *clock;
struct trace_seq *s_save;
struct trace_seq *s_print;
struct tracecmd_input *handle;
int tracing_on_init_val;
int tracing_on_fd;
int keep;
int buffer_size;
int profile;
extern struct buffer_instance top_instance;
extern struct buffer_instance *buffer_instances;
extern struct buffer_instance *first_instance;
#define for_each_instance(i) for (i = buffer_instances; i; i = (i)->next)
#define for_all_instances(i) for (i = first_instance; i; \
i = i == &top_instance ? buffer_instances : (i)->next)
struct buffer_instance *create_instance(const char *name);
void add_instance(struct buffer_instance *instance);
char *get_instance_file(struct buffer_instance *instance, const char *file);
void update_first_instance(struct buffer_instance *instance, int topt);
void show_instance_file(struct buffer_instance *instance, const char *name);
int count_cpus(void);
/* No longer in event-utils.h */
void die(const char *fmt, ...); /* Can be overriden */
void *malloc_or_die(unsigned int size); /* Can be overridden */
void __die(const char *fmt, ...);
void __vdie(const char *fmt, ...);
#endif /* __TRACE_LOCAL_H */