iCE40/yosys - clone of https://github.com/YosysHQ/yosys

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Diffstat (limited to 'manual/PRESENTATION_ExSyn.tex')

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/****************************************************************************** * TOOLS/xenbaked.h * * Header file for xenbaked * * Copyright (C) 2005 by Hewlett Packard, Palo Alto and Fort Collins * * Authors: Diwaker Gupta, diwaker.gupta@hp.com * Rob Gardner, rob.gardner@hp.com * Lucy Cherkasova, lucy.cherkasova.hp.com * * 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; under version 2 of the License. * * 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __QOS_H__ #define __QOS_H__ ///// qos stuff #define million 1000000LL #define billion 1000000000LL // caution: don't use QOS_ADD with negative numbers! #define QOS_ADD(N,A) ((N+A)<(NSAMPLES-1) ? (N+A) : A) #define QOS_INCR(N) ((N<(NSAMPLES-2)) ? (N+1) : 0) #define QOS_DECR(N) ((N==0) ? (NSAMPLES-1) : (N-1)) #define MAX_NAME_SIZE 32 #define IDLE_DOMAIN_ID 32767 /* Number of domains we can keep track of in memory */ #define NDOMAINS 32 /* Number of data points to keep */ #define NSAMPLES 100 #define ID(X) ((X>NDOMAINS-1)?(NDOMAINS-1):X) #define DEFAULT_TBUF_SIZE 20 // per domain stuff typedef struct { uint64_t last_update_time; uint64_t start_time; // when the thread started running uint64_t runnable_start_time; // when the thread became runnable uint64_t blocked_start_time; // when the thread became blocked uint64_t ns_since_boot; // time gone by since boot uint64_t ns_oncpu_since_boot; // total cpu time used by thread since boot // uint64_t ns_runnable_since_boot; int runnable_at_last_update; // true if the thread was runnable last time we checked. int runnable; // true if thread is runnable right now // tells us something about what happened during the // sample period that we are analysing right now int in_use; // domid_t id; char name[MAX_NAME_SIZE]; } _domain_info; typedef struct { struct { // data point: // stuff that is recorded once for each measurement interval uint64_t ns_gotten[NDOMAINS]; // ns used in the last sample period uint64_t ns_allocated[NDOMAINS]; // ns allocated by scheduler uint64_t ns_waiting[NDOMAINS]; // ns spent waiting to execute, ie, time from // becoming runnable until actually running uint64_t ns_blocked[NDOMAINS]; // ns spent blocked uint64_t switchin_count[NDOMAINS]; // number of executions of the domain uint64_t io_count[NDOMAINS]; uint64_t ns_passed; // ns gone by on the wall clock, ie, the sample period uint64_t timestamp; uint64_t lost_records; // # of lost trace records this time period uint64_t flip_free_periods; // # of executions of dom0 in which no page flips happened } qdata[NSAMPLES]; _domain_info domain_info[NDOMAINS]; // control information int next_datapoint; int ncpu; int structlen; // parameters int measurement_frequency; // for example } _new_qos_data; #endif


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