162 lines
4.1 KiB
C
162 lines
4.1 KiB
C
/* Copyright (c) 2021-2024 Barcelona Supercomputing Center (BSC)
|
|
* SPDX-License-Identifier: MIT */
|
|
|
|
#ifndef OVNI_H
|
|
#define OVNI_H
|
|
|
|
#pragma GCC visibility push(default)
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <limits.h>
|
|
#include <linux/limits.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
|
|
#define OVNI_METADATA_VERSION 3
|
|
|
|
#define OVNI_TRACEDIR "ovni"
|
|
#define OVNI_MAX_HOSTNAME 512
|
|
|
|
/* Reserved buffer for event allocation per thread */
|
|
#define OVNI_MAX_EV_BUF (2 * 1024LL * 1024LL) /* 2 MiB */
|
|
|
|
#define OVNI_STREAM_MAGIC "ovni"
|
|
#define OVNI_STREAM_VERSION 1
|
|
|
|
#define OVNI_STREAM_EXT ".obs"
|
|
|
|
/* Follow https://semver.org rules for versioning */
|
|
#define OVNI_LIB_VERSION "@PROJECT_VERSION@"
|
|
#define OVNI_GIT_COMMIT "@OVNI_GIT_COMMIT@"
|
|
|
|
/* ----------------------- common ------------------------ */
|
|
|
|
enum ovni_ev_flags {
|
|
OVNI_EV_JUMBO = 0x10,
|
|
};
|
|
|
|
struct __attribute__((__packed__)) ovni_jumbo_payload {
|
|
uint32_t size;
|
|
uint8_t data[1];
|
|
};
|
|
|
|
union __attribute__((__packed__)) ovni_ev_payload {
|
|
int8_t i8[16];
|
|
int16_t i16[8];
|
|
int32_t i32[4];
|
|
int64_t i64[2];
|
|
|
|
uint8_t u8[16];
|
|
uint16_t u16[8];
|
|
uint32_t u32[4];
|
|
uint64_t u64[2];
|
|
|
|
struct ovni_jumbo_payload jumbo;
|
|
};
|
|
|
|
struct __attribute__((__packed__)) ovni_ev_header {
|
|
/* first 4 bits reserved, last 4 for payload size */
|
|
uint8_t flags;
|
|
uint8_t model;
|
|
uint8_t category;
|
|
uint8_t value;
|
|
uint64_t clock;
|
|
};
|
|
|
|
struct __attribute__((__packed__)) ovni_ev {
|
|
struct ovni_ev_header header;
|
|
|
|
/* The payload size may vary depending on the ev type:
|
|
* - normal: 0, or 2 to 16 bytes
|
|
* - jumbo: 0 to 2^32 - 1 bytes */
|
|
union ovni_ev_payload payload;
|
|
};
|
|
|
|
struct __attribute__((__packed__)) ovni_stream_header {
|
|
char magic[4];
|
|
uint32_t version;
|
|
};
|
|
|
|
/* ----------------------- runtime ------------------------ */
|
|
|
|
#define ovni_version_check() ovni_version_check_str(OVNI_LIB_VERSION)
|
|
void ovni_version_check_str(const char *version);
|
|
void ovni_version_get(const char **version, const char **commit);
|
|
|
|
void ovni_proc_init(int app, const char *loom, int pid);
|
|
|
|
/* Sets the MPI rank of the current process and the number of total nranks */
|
|
void ovni_proc_set_rank(int rank, int nranks);
|
|
|
|
void ovni_proc_fini(void);
|
|
|
|
void ovni_thread_init(pid_t tid);
|
|
|
|
void ovni_thread_require(const char *model, const char *version);
|
|
|
|
void ovni_thread_free(void);
|
|
|
|
int ovni_thread_isready(void);
|
|
|
|
void ovni_ev_set_mcv(struct ovni_ev *ev, const char *mcv);
|
|
|
|
/* Gets the event clock in ns */
|
|
uint64_t ovni_ev_get_clock(const struct ovni_ev *ev);
|
|
|
|
/* Sets the event clock in ns */
|
|
void ovni_ev_set_clock(struct ovni_ev *ev, uint64_t clock);
|
|
|
|
/* Returns the current value of the ovni clock in ns */
|
|
uint64_t ovni_clock_now(void);
|
|
|
|
void ovni_payload_add(struct ovni_ev *ev, const uint8_t *buf, int size);
|
|
|
|
int ovni_ev_size(const struct ovni_ev *ev);
|
|
|
|
int ovni_payload_size(const struct ovni_ev *ev);
|
|
|
|
void ovni_add_cpu(int index, int phyid);
|
|
|
|
/* Adds the event to the events buffer. The buffer is flushed first if the event
|
|
* doesn't fit in the buffer. */
|
|
void ovni_ev_emit(struct ovni_ev *ev);
|
|
void ovni_ev_jumbo_emit(struct ovni_ev *ev, const uint8_t *buf, uint32_t bufsize);
|
|
|
|
void ovni_flush(void);
|
|
|
|
/* Attributes */
|
|
int ovni_attr_has(const char *key);
|
|
void ovni_attr_set_double(const char *key, double num);
|
|
void ovni_attr_set_boolean(const char *key, int value);
|
|
void ovni_attr_set_str(const char *key, const char *value);
|
|
void ovni_attr_set_json(const char *key, const char *json);
|
|
double ovni_attr_get_double(const char *key);
|
|
int ovni_attr_get_boolean(const char *key);
|
|
const char *ovni_attr_get_str(const char *key);
|
|
char *ovni_attr_get_json(const char *key);
|
|
void ovni_attr_flush(void);
|
|
|
|
/* Mark */
|
|
enum ovni_mark_flags {
|
|
OVNI_MARK_STACK = 1, /*< Use push/pop instead of set */
|
|
};
|
|
void ovni_mark_type(int32_t type, long flags, const char *title);
|
|
void ovni_mark_label(int32_t type, int64_t value, const char *label);
|
|
void ovni_mark_push(int32_t type, int64_t value);
|
|
void ovni_mark_pop(int32_t type, int64_t value);
|
|
void ovni_mark_set(int32_t type, int64_t value);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#pragma GCC visibility pop
|
|
|
|
#endif /* OVNI_H */
|