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https://github.com/tiagovignatti/intel-gpu-tools.git
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95374225e8
A few of the tools can be performed post-mortem from a different system, so it is useful to be able to compile those tools on those foreign systems. Obviously, any program to interact with the PCI device or talk to GEM will fail on a non-Intel system. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
111 lines
3.0 KiB
C
111 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_gpu_tools.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_get_mmio(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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