67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Author and copyright: Laurent Thomas, open-cells.com
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include <common/utils/simple_executable.h>
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#include "thread-pool.h"
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#define SEP "\t"
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uint64_t cpuCyclesMicroSec;
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int main(int argc, char *argv[]) {
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if(argc != 2) {
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printf("Need one parameter: the trace Linux pipe (fifo)");
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exit(1);
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}
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mkfifo(argv[1],0666);
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int fd=open(argv[1], O_RDONLY);
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if ( fd == -1 ) {
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perror("open read mode trace file:");
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exit(1);
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}
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uint64_t deb=rdtsc();
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usleep(100000);
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cpuCyclesMicroSec=(rdtsc()-deb)/100000;
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printf("Cycles per µs: %lu\n",cpuCyclesMicroSec);
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printf("Key" SEP "delay to process" SEP "processing time" SEP "delay to be read answer\n");
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notifiedFIFO_elt_t doneRequest;
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while ( 1 ) {
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if ( read(fd,&doneRequest, sizeof(doneRequest)) == sizeof(doneRequest)) {
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printf("%lu" SEP "%lu" SEP "%lu" SEP "%lu" "\n",
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doneRequest.key,
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(doneRequest.startProcessingTime-doneRequest.creationTime)/cpuCyclesMicroSec,
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(doneRequest.endProcessingTime-doneRequest.startProcessingTime)/cpuCyclesMicroSec,
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(doneRequest.returnTime-doneRequest.endProcessingTime)/cpuCyclesMicroSec
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);
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} else {
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printf("no measurements\n");
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sleep(1);
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}
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}
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}
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