1 /**************************************************************************/
2 /* ---------------------------------------------------------------------- */
3 /* Copyright (C) 2006 - 2008 FRESCOR consortium partners: */
5 /* Universidad de Cantabria, SPAIN */
6 /* University of York, UK */
7 /* Scuola Superiore Sant'Anna, ITALY */
8 /* Kaiserslautern University, GERMANY */
9 /* Univ. Politécnica Valencia, SPAIN */
10 /* Czech Technical University in Prague, CZECH REPUBLIC */
12 /* Thales Communication S.A. FRANCE */
13 /* Visual Tools S.A. SPAIN */
14 /* Rapita Systems Ltd UK */
17 /* See http://www.frescor.org for a link to partners' websites */
19 /* FRESCOR project (FP6/2005/IST/5-034026) is funded */
20 /* in part by the European Union Sixth Framework Programme */
21 /* The European Union is not liable of any use that may be */
22 /* made of this code. */
25 /* This file is part of AQCPU (Aquosa CPU) */
27 /* FWP is free software; you can redistribute it and/or modify it */
28 /* under terms of the GNU General Public License as published by the */
29 /* Free Software Foundation; either version 2, or (at your option) any */
30 /* later version. FWP is distributed in the hope that it will be */
31 /* useful, but WITHOUT ANY WARRANTY; without even the implied warranty */
32 /* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */
33 /* General Public License for more details. You should have received a */
34 /* copy of the GNU General Public License along with FWP; see file */
35 /* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, */
36 /* Cambridge, MA 02139, USA. */
38 /* As a special exception, including FWP header files in a file, */
39 /* instantiating FWP generics or templates, or linking other files */
40 /* with FWP objects to produce an executable application, does not */
41 /* by itself cause the resulting executable application to be covered */
42 /* by the GNU General Public License. This exception does not */
43 /* however invalidate any other reasons why the executable file might be */
44 /* covered by the GNU Public License. */
45 /**************************************************************************/
49 * @author Martin Molnar <molnam1@fel.cvut.cz>
50 * @date Wed Feb 18 16:22:56 2009
58 #include <frm_generic.h>
63 #include <fres_sa_scenario.h>
66 #include <ul_logreg.h>
69 UL_LOG_CUST(ulogd_frm_aqcpu);
70 ul_log_domain_t ulogd_frm_aqcpu = {UL_LOGL_DEB, "frm_aqcpu"};
72 static int aqcpu_admtest(struct fres_sa_scenario *scenario, void *priv,
75 struct fres_sa_contract *c;
76 long int period, budget;
77 long int sum_utilization = 0;
79 fres_sa_scenario_for_each_no_cancel_contract(scenario, c) {
80 fres_block_basic *basic;
82 fres_contract_id_to_string(id, &c->contract->id, sizeof(id));
83 basic = fres_contract_get_basic(c->contract);
85 period = fosa_rel_time_to_msec(basic->period);
86 budget = fosa_rel_time_to_msec(basic->budget);
88 ul_logdeb("processing : id=%s, period=%ld ms, budget=%ld ms\n",
91 sum_utilization+= budget*100/period;
93 *schedulable = sum_utilization <= 88; // 100;
95 scenario->utilization = sum_utilization;
97 ul_logmsg("=> %s\n", *schedulable?"schedulable":"not schedulable");
102 static struct fres_res_manager frm = {
103 .res_type = FRSH_RT_PROCESSOR,
104 .res_id = FRSH_CPU_ID_DEFAULT,
105 .admission_test = aqcpu_admtest,
110 static struct option long_opts[] = {
111 { "loglevel", 1, 0, 'l' },
118 printf("usage: frm_aqcpu [ options ]\n");
119 printf(" -l, --loglevel <number>|<domain>=<number>,...\n");
122 int forb_main(forb_orb orb, int argc, char *argv[])
125 forb_init_attr_t attr = { .orb_id = "org.frescor.frm.aqcpu" };
127 bool opt_daemon = false;
128 char *opt_pidfile = NULL;
130 ul_logreg_domain(&ulogd_frm_aqcpu);
132 while ((opt = getopt_long(argc, argv, "hl:", &long_opts[0], NULL)) != EOF) {
135 ul_log_domain_arg2levels(optarg);
140 exit(opt == 'h' ? 0 : 1);
145 frm.res_id = frsh_get_local_cpu_id();
146 ret = frm_register_and_run(orb, &frm);
149 error(1, errno, "frm_generic_run");