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>
62 #include <fres_sa_scenario.h>
67 UL_LOG_CUST(ulogd_frm_aqcpu);
68 ul_log_domain_t ulogd_fra_fwp = {UL_LOGL_DEB, "frm_aqcpu"};
70 static int aqcpu_admtest(struct fres_sa_scenario *scenario, void *priv,
73 struct fres_sa_contract *c;
74 long int period, budget;
75 long int sum_utilization = 0;
77 fres_sa_scenario_for_each_contract(scenario, c) {
78 fres_block_basic *basic;
80 fres_contract_id_to_string(id, &c->contract->id, sizeof(id));
81 basic = fres_contract_get_basic(c->contract);
83 period = fosa_rel_time_to_msec(basic->period);
84 budget = fosa_rel_time_to_msec(basic->budget);
86 ul_logdeb("processing : id=%s, period=%ld ms, budget=%ld ms\n",
89 sum_utilization+= budget*100/period;
91 *schedulable = sum_utilization < 100;
92 printf("=> %s\n", schedulable?"schedulable":"not schedulable");
97 static const struct fres_res_manager frm = {
98 .res_type = FRSH_RT_PROCESSOR,
100 .admission_test = aqcpu_admtest,
104 int main(int argc, char *argv[])
109 orb = forb_init(&argc, &argv, "frm_aqcpu");
110 if (!orb) error(1, errno, "forb_init");
112 ret = frm_register_and_run(orb, &frm);
115 error(1, errno, "frm_generic_run");