154 lines
3.6 KiB
C
154 lines
3.6 KiB
C
/*
|
|
* Copyright (c) 2021 Barcelona Supercomputing Center (BSC)
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#define _GNU_SOURCE
|
|
|
|
#include "ovni.h"
|
|
#include "compat.h"
|
|
|
|
#include <assert.h>
|
|
#include <inttypes.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
static void fail(const char *msg)
|
|
{
|
|
fprintf(stderr, "%s\n", msg);
|
|
abort();
|
|
}
|
|
|
|
static inline void emit_ev(char *mcv)
|
|
{
|
|
struct ovni_ev ev = { 0 };
|
|
|
|
ovni_ev_set_mcv(&ev, mcv);
|
|
ovni_ev_set_clock(&ev, ovni_clock_now());
|
|
ovni_ev_emit(&ev);
|
|
}
|
|
|
|
#define INSTR_3ARG(name, mcv, ta, a, tb, b, tc, c) \
|
|
static inline void name(ta a, tb b, tc c) \
|
|
{ \
|
|
struct ovni_ev ev = {0}; \
|
|
ovni_ev_set_mcv(&ev, mcv); \
|
|
ovni_ev_set_clock(&ev, ovni_clock_now()); \
|
|
ovni_payload_add(&ev, (uint8_t *)&a, sizeof(a)); \
|
|
ovni_payload_add(&ev, (uint8_t *)&b, sizeof(b)); \
|
|
ovni_payload_add(&ev, (uint8_t *)&c, sizeof(c)); \
|
|
ovni_ev_emit(&ev); \
|
|
}
|
|
|
|
INSTR_3ARG(instr_thread_execute, "OHx", int32_t, cpu, int32_t, creator_tid, uint64_t, tag)
|
|
|
|
static inline void instr_thread_end(void)
|
|
{
|
|
struct ovni_ev ev = {0};
|
|
|
|
ovni_ev_set_mcv(&ev, "OHe");
|
|
ovni_ev_set_clock(&ev, ovni_clock_now());
|
|
ovni_ev_emit(&ev);
|
|
|
|
// Flush the events to disk before killing the thread
|
|
ovni_flush();
|
|
}
|
|
|
|
static inline void instr_start(int rank, int nranks)
|
|
{
|
|
char hostname[HOST_NAME_MAX];
|
|
|
|
if(gethostname(hostname, HOST_NAME_MAX) != 0)
|
|
fail("gethostname failed");
|
|
|
|
ovni_proc_init(1, hostname, getpid());
|
|
|
|
ovni_proc_set_rank(rank, nranks);
|
|
|
|
ovni_thread_init(gettid());
|
|
|
|
/* Only the rank 0 inform about all CPUs */
|
|
if(rank == 0)
|
|
{
|
|
/* Fake nranks cpus */
|
|
for(int i=0; i < nranks; i++)
|
|
ovni_add_cpu(i, i);
|
|
}
|
|
|
|
int curcpu = rank;
|
|
|
|
fprintf(stderr, "thread %d has cpu %d (ncpus=%d)\n",
|
|
gettid(), curcpu, nranks);
|
|
|
|
instr_thread_execute(curcpu, -1, 0);
|
|
}
|
|
|
|
static inline void instr_end(void)
|
|
{
|
|
instr_thread_end();
|
|
ovni_thread_free();
|
|
ovni_proc_fini();
|
|
}
|
|
|
|
static void
|
|
task(int32_t id, int us)
|
|
{
|
|
int32_t typeid = 1;
|
|
struct ovni_ev ev = {0};
|
|
|
|
ovni_ev_set_mcv(&ev, "VTc");
|
|
ovni_ev_set_clock(&ev, ovni_clock_now());
|
|
ovni_payload_add(&ev, (uint8_t *) &id, sizeof(id));
|
|
ovni_payload_add(&ev, (uint8_t *) &typeid, sizeof(id));
|
|
ovni_ev_emit(&ev);
|
|
|
|
memset(&ev, 0, sizeof(ev));
|
|
|
|
ovni_ev_set_mcv(&ev, "VTx");
|
|
ovni_ev_set_clock(&ev, ovni_clock_now());
|
|
ovni_payload_add(&ev, (uint8_t *) &id, sizeof(id));
|
|
ovni_ev_emit(&ev);
|
|
|
|
usleep(us);
|
|
|
|
memset(&ev, 0, sizeof(ev));
|
|
|
|
ovni_ev_set_mcv(&ev, "VTe");
|
|
ovni_ev_set_clock(&ev, ovni_clock_now());
|
|
ovni_payload_add(&ev, (uint8_t *) &id, sizeof(id));
|
|
ovni_ev_emit(&ev);
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
int rank = atoi(getenv("OVNI_RANK"));
|
|
int nranks = atoi(getenv("OVNI_NRANKS"));
|
|
|
|
instr_start(rank, nranks);
|
|
|
|
/* Create some fake nosv tasks */
|
|
for(int i=0; i<10; i++)
|
|
task(i + 1, 50 * 1000);
|
|
|
|
instr_end();
|
|
|
|
return 0;
|
|
}
|
|
|