87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "sbuf.h"
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#define PCPU_NUM 4
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#define TRACE_ELEMENT_SIZE 32 /* byte */
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#define TRACE_ELEMENT_NUM ((4 * 1024 * 1024 - 64) / TRACE_ELEMENT_SIZE)
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#define PAGE_SIZE 4096
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#define PAGE_MASK (~(PAGE_SIZE - 1))
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#define MMAP_SIZE (4 * 1024 * 1024)
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/*
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#define MMAP_SIZE ((TRACE_ELEMENT_SIZE * TRACE_ELEMENT_NUM \
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+ PAGE_SIZE - 1) & PAGE_MASK)
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*/
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#define TRACE_FILE_NAME_LEN 36
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#define TRACE_FILE_DIR_LEN (TRACE_FILE_NAME_LEN - 2)
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#define TRACE_FILE_ROOT "/tmp/acrntrace/"
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#define DEV_PATH_LEN 18
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#define TIME_STR_LEN 16
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#define CMD_MAX_LEN 48
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#define pr_fmt(fmt) "acrntrace: " fmt
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#define pr_info(fmt, ...) printf(pr_fmt(fmt), ##__VA_ARGS__)
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#define pr_err(fmt, ...) printf(pr_fmt(fmt), ##__VA_ARGS__)
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#ifdef DEBUG
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#define pr_dbg(fmt, ...) printf(pr_fmt(fmt), ##__VA_ARGS__)
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#else
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#define pr_dbg(fmt, ...)
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#endif
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/*
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* flags:
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* FLAG_TO_REL - resources need to be release
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* FLAG_CLEAR_BUF - to clear buffered old data
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*/
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#define FLAG_TO_REL (1UL << 0)
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#define FLAG_CLEAR_BUF (1UL << 1)
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#define foreach_cpu(cpu) \
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for ((cpu) = 0; (cpu) < (pcpu_num); (cpu)++)
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typedef unsigned char uint8_t;
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typedef unsigned int uint32_t;
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typedef unsigned long uint64_t;
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typedef struct {
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uint64_t tsc;
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uint64_t id;
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union {
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struct {
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uint32_t a, b, c, d;
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};
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struct {
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uint8_t a1, a2, a3, a4;
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uint8_t b1, b2, b3, b4;
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uint8_t c1, c2, c3, c4;
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uint8_t d1, d2, d3, d4;
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};
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struct {
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uint64_t e;
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uint64_t f;
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};
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char str[16];
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};
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} trace_ev_t;
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typedef struct {
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uint32_t cpuid;
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int exit_flag;
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int trace_fd;
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shared_buf_t *sbuf;
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pthread_mutex_t *sbuf_lock;
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} param_t;
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typedef struct {
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int dev_fd;
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char dev_name[DEV_PATH_LEN];
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pthread_t thrd;
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param_t param;
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} reader_struct;
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