Rodrigo Arias
ddbb7dd9f4
Adds forwards declarations in headers and includes all headers in sources, even if they are found by transitive includes.
151 lines
3.2 KiB
C
151 lines
3.2 KiB
C
/* Copyright (c) 2021-2023 Barcelona Supercomputing Center (BSC)
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* SPDX-License-Identifier: GPL-3.0-or-later */
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "compat.h"
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#include "ovni.h"
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static void
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fail(const char *msg)
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{
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fprintf(stderr, "%s\n", msg);
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abort();
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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_mcv(&ev, mcv); \
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ovni_ev_set_clock(&ev, ovni_clock_now()); \
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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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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, ovni_clock_now());
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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_start(int rank, int nranks)
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{
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char hostname[OVNI_MAX_HOSTNAME];
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if (gethostname(hostname, OVNI_MAX_HOSTNAME) != 0)
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fail("gethostname failed");
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ovni_proc_init(1, hostname, getpid());
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ovni_proc_set_rank(rank, nranks);
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ovni_thread_init(gettid());
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/* Only the rank 0 inform about all CPUs */
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if (rank == 0) {
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/* Fake nranks 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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}
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int curcpu = rank;
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fprintf(stderr, "thread %d has cpu %d (ncpus=%d)\n",
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gettid(), curcpu, nranks);
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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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static void
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type_create(int32_t typeid)
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{
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struct ovni_ev ev = {0};
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ovni_ev_set_mcv(&ev, "VYc");
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ovni_ev_set_clock(&ev, ovni_clock_now());
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char buf[256];
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char *p = buf;
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size_t nbytes = 0;
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memcpy(buf, &typeid, sizeof(typeid));
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p += sizeof(typeid);
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nbytes += sizeof(typeid);
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sprintf(p, "testtype%d", typeid);
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nbytes += strlen(p) + 1;
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ovni_ev_jumbo_emit(&ev, (uint8_t *) buf, nbytes);
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}
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static void
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task(int32_t id, uint32_t typeid, int us)
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{
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struct ovni_ev ev = {0};
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ovni_ev_set_mcv(&ev, "VTc");
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ovni_ev_set_clock(&ev, ovni_clock_now());
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ovni_payload_add(&ev, (uint8_t *) &id, sizeof(id));
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ovni_payload_add(&ev, (uint8_t *) &typeid, sizeof(id));
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ovni_ev_emit(&ev);
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memset(&ev, 0, sizeof(ev));
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ovni_ev_set_mcv(&ev, "VTx");
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ovni_ev_set_clock(&ev, ovni_clock_now());
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ovni_payload_add(&ev, (uint8_t *) &id, sizeof(id));
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ovni_ev_emit(&ev);
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sleep_us(us);
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memset(&ev, 0, sizeof(ev));
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ovni_ev_set_mcv(&ev, "VTe");
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ovni_ev_set_clock(&ev, ovni_clock_now());
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ovni_payload_add(&ev, (uint8_t *) &id, sizeof(id));
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ovni_ev_emit(&ev);
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}
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int
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main(void)
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{
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int rank = atoi(getenv("OVNI_RANK"));
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int nranks = atoi(getenv("OVNI_NRANKS"));
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uint32_t typeid = 1;
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instr_start(rank, nranks);
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type_create(typeid);
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/* Create some fake nosv tasks */
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for (int i = 0; i < 10; i++)
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task(i + 1, typeid, 5000);
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instr_end();
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return 0;
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}
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