mirror of
https://github.com/tiagovignatti/intel-gpu-tools.git
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113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
/*
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* Copyright © 2007,2009 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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* Chris Wilson <chris@chris-wilson.co.uk>
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*
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*/
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#include <unistd.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/wait.h>
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#include "intel_io.h"
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#include "intel_chipset.h"
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#include "intel_reg.h"
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#define SAMPLES_PER_SEC 10000
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static volatile int goddo;
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static pid_t spawn(char **argv)
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{
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pid_t pid;
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pid = fork();
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if (pid != 0)
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return pid;
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execvp(argv[0], argv);
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exit(1);
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}
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static void sighandler(int sig)
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{
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goddo = sig;
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}
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int main(int argc, char **argv)
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{
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pid_t child;
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uint64_t ring_idle = 0, ring_time = 0;
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struct timeval start, end;
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static struct rusage rusage;
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int status;
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intel_mmio_use_pci_bar(intel_get_pci_device());
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if (argc == 1) {
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fprintf(stderr, "usage: %s cmd [args...]\n", argv[0]);
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return 1;
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}
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signal(SIGCHLD, sighandler);
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signal(SIGINT, SIG_IGN);
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signal(SIGQUIT, SIG_IGN);
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gettimeofday(&start, NULL);
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child = spawn(argv+1);
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if (child < 0)
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return 127;
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while (!goddo) {
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uint32_t ring_head, ring_tail;
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ring_head = INREG(LP_RING + RING_HEAD) & HEAD_ADDR;
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ring_tail = INREG(LP_RING + RING_TAIL) & TAIL_ADDR;
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if (ring_tail == ring_head)
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ring_idle++;
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ring_time++;
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usleep(1000000 / SAMPLES_PER_SEC);
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}
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gettimeofday(&end, NULL);
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timersub(&end, &start, &end);
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waitpid(child, &status, 0);
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getrusage(RUSAGE_CHILDREN, &rusage);
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printf("user: %ld.%06lds, sys: %ld.%06lds, elapsed: %ld.%06lds, CPU: %.1f%%, GPU: %.1f%%\n",
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rusage.ru_utime.tv_sec, rusage.ru_utime.tv_usec,
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rusage.ru_stime.tv_sec, rusage.ru_stime.tv_usec,
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end.tv_sec, end.tv_usec,
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100*(rusage.ru_utime.tv_sec + 1e-6*rusage.ru_utime.tv_usec + rusage.ru_stime.tv_sec + 1e-6*rusage.ru_stime.tv_usec) / (end.tv_sec + 1e-6*end.tv_usec),
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100 - ring_idle * 100. / ring_time);
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return WEXITSTATUS(status);
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}
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