Rodrigo Arias
be63004f38
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128 lines
3.6 KiB
C
128 lines
3.6 KiB
C
/* Copyright (c) 2021-2024 Barcelona Supercomputing Center (BSC)
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* SPDX-License-Identifier: GPL-3.0-or-later */
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#ifndef INSTR_H
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#define INSTR_H
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#include <stdint.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "common.h"
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#include "compat.h"
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#include "ovni.h"
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#include "emu/models.h"
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extern int first_clock_set;
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extern int64_t first_clock;
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extern int64_t last_clock;
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int64_t get_clock(void);
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int64_t get_delta(void);
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#define INSTR_0ARG(name, mcv) \
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static inline void name(void) \
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{ \
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struct ovni_ev ev = {0}; \
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ovni_ev_set_clock(&ev, get_clock()); \
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ovni_ev_set_mcv(&ev, mcv); \
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ovni_ev_emit(&ev); \
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}
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#define INSTR_1ARG(name, mcv, ta, a) \
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static inline void name(ta a) \
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{ \
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struct ovni_ev ev = {0}; \
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ovni_ev_set_clock(&ev, get_clock()); \
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ovni_ev_set_mcv(&ev, mcv); \
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ovni_payload_add(&ev, (uint8_t *) &a, sizeof(a)); \
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ovni_ev_emit(&ev); \
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}
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#define INSTR_2ARG(name, mcv, ta, a, tb, b) \
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static inline void name(ta a, tb b) \
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{ \
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struct ovni_ev ev = {0}; \
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ovni_ev_set_clock(&ev, get_clock()); \
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ovni_ev_set_mcv(&ev, mcv); \
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ovni_payload_add(&ev, (uint8_t *) &a, sizeof(a)); \
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ovni_payload_add(&ev, (uint8_t *) &b, sizeof(b)); \
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ovni_ev_emit(&ev); \
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}
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#define INSTR_3ARG(name, mcv, ta, a, tb, b, tc, c) \
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static inline void name(ta a, tb b, tc c) \
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{ \
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struct ovni_ev ev = {0}; \
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ovni_ev_set_clock(&ev, get_clock()); \
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ovni_ev_set_mcv(&ev, mcv); \
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ovni_payload_add(&ev, (uint8_t *) &a, sizeof(a)); \
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ovni_payload_add(&ev, (uint8_t *) &b, sizeof(b)); \
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ovni_payload_add(&ev, (uint8_t *) &c, sizeof(c)); \
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ovni_ev_emit(&ev); \
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}
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INSTR_3ARG(instr_thread_execute, "OHx", int32_t, cpu, int32_t, creator_tid, uint64_t, tag)
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INSTR_1ARG(instr_thread_affinity_set, "OAs", int32_t, cpu)
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static inline void
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instr_thread_end(void)
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{
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struct ovni_ev ev = {0};
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ovni_ev_set_mcv(&ev, "OHe");
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ovni_ev_set_clock(&ev, get_clock());
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ovni_ev_emit(&ev);
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/* Flush the events to disk before killing the thread */
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ovni_flush();
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}
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static inline void
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instr_require(const char *model)
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{
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const char *version = models_get_version(model);
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if (version == NULL)
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die("cannot find version of model %s", model);
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ovni_thread_require(model, version);
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}
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static inline void
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instr_start(int rank, int nranks)
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{
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char hostname[OVNI_MAX_HOSTNAME];
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char rankname[OVNI_MAX_HOSTNAME + 64];
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if (gethostname(hostname, OVNI_MAX_HOSTNAME) != 0)
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die("gethostname failed");
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sprintf(rankname, "%s.%d", hostname, rank);
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ovni_version_check();
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ovni_proc_init(1, rankname, getpid());
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ovni_proc_set_rank(rank, nranks);
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ovni_thread_init(get_tid());
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/* All ranks inform CPUs */
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for (int i = 0; i < nranks; i++)
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ovni_add_cpu(i, i);
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int curcpu = rank;
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dbg("thread %d has cpu %d (ncpus=%d)",
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get_tid(), curcpu, nranks);
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instr_require("ovni");
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instr_thread_execute(curcpu, -1, 0);
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}
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static inline void
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instr_end(void)
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{
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instr_thread_end();
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ovni_thread_free();
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ovni_proc_fini();
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}
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#endif /* INSTR_H */
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