linux-imx

// SPDX-License-Identifier: GPL-2.0

#include "builtin.h"

#include "perf.h"

​

#include "util/util.h"

#include "util/evlist.h"

#include "util/cache.h"

#include "util/evsel.h"

#include "util/symbol.h"

#include "util/thread.h"

#include "util/header.h"

#include "util/session.h"

#include "util/tool.h"

#include "util/cloexec.h"

#include "util/thread_map.h"

#include "util/color.h"

#include "util/stat.h"

#include "util/callchain.h"

#include "util/time-utils.h"

​

#include <subcmd/parse-options.h>

#include "util/trace-event.h"

​

#include "util/debug.h"

​

#include <linux/kernel.h>

#include <linux/log2.h>

#include <sys/prctl.h>

#include <sys/resource.h>

#include <inttypes.h>

​

#include <errno.h>

#include <semaphore.h>

#include <pthread.h>

#include <math.h>

#include <api/fs/fs.h>

#include <linux/time64.h>

​

#include "sane_ctype.h"

​

#define PR_SET_NAME     15               /* Set process name */

#define MAX_CPUS        4096

#define COMM_LEN        20

#define SYM_LEN         129

#define MAX_PID         1024000

​

struct sched_atom;

​

struct task_desc {

    unsigned long       nr;

    unsigned long       pid;

    char            comm[COMM_LEN];

​

    unsigned long       nr_events;

    unsigned long       curr_event;

    struct sched_atom   **atoms;

​

    pthread_t       thread;

    sem_t           sleep_sem;

​

    sem_t           ready_for_work;

    sem_t           work_done_sem;

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    u64         cpu_usage;

};

​

enum sched_event_type {

    SCHED_EVENT_RUN,

    SCHED_EVENT_SLEEP,

    SCHED_EVENT_WAKEUP,

    SCHED_EVENT_MIGRATION,

};

​

struct sched_atom {

    enum sched_event_type   type;

    int         specific_wait;

    u64         timestamp;

    u64         duration;

    unsigned long       nr;

    sem_t           *wait_sem;

    struct task_desc    *wakee;

};

​

#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKWP"

​

/* task state bitmask, copied from include/linux/sched.h */

#define TASK_RUNNING        0

#define TASK_INTERRUPTIBLE  1

#define TASK_UNINTERRUPTIBLE    2

#define __TASK_STOPPED      4

#define __TASK_TRACED       8

/* in tsk->exit_state */