X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/67853231cc4fc6f6c80e5e013ffef12fec656a49..c39f5e7ad61e55ef597c798f9ba032ae4b4e9b80:/examples/amok/saturate/saturate.c diff --git a/examples/amok/saturate/saturate.c b/examples/amok/saturate/saturate.c index 08f8d99aa6..a6a37d3fc7 100644 --- a/examples/amok/saturate/saturate.c +++ b/examples/amok/saturate/saturate.c @@ -32,7 +32,7 @@ int sensor (int argc,char *argv[]); static int sensor_cb_kill(gras_msg_cb_ctx_t ctx, void *payload_data) { - + sensor_data_t *g=gras_userdata_get(); g->done = 1; INFO0("Killed"); @@ -40,18 +40,26 @@ static int sensor_cb_kill(gras_msg_cb_ctx_t ctx, } int sensor (int argc,char *argv[]) { sensor_data_t *g; + xbt_ex_t e; gras_init(&argc,argv); amok_bw_init(); g=gras_userdata_new(sensor_data_t); - g->sock = gras_socket_server(4000); + g->sock = gras_socket_server(atoi(argv[1])); + g->done = 0; gras_msgtype_declare("kill",NULL); gras_cb_register(gras_msgtype_by_name("kill"),&sensor_cb_kill); while (!g->done) { - gras_msg_handle(60.0); + TRY { + gras_msg_handle(20.0); + } CATCH(e) { + if (e.category != timeout_error) + RETHROW; + xbt_ex_free(e); + } } gras_socket_close(g->sock); @@ -69,15 +77,16 @@ int maestro (int argc,char *argv[]); /* XP setups */ const int buf_size = 0; -const int exp_size = 1024;// * 1024; -const int msg_size = 1024; -const int sat_size = 1024 * 1024 * 10 * 10; +const int exp_size = 100 * 1024; +const int msg_size = 50 * 1024; +const int sat_size = 1024 * 1024 * 10; static double XP(const char *bw1, const char *bw2, const char *sat1, const char *sat2) { double sec, bw, sec_sat,bw_sat; + gras_os_sleep(5.0); /* wait for the sensors to show up */ /* Test BW without saturation */ amok_bw_request(bw1,4000,bw2,4000, buf_size,exp_size,msg_size,&sec,&bw); @@ -128,22 +137,131 @@ static void simple_saturation(int argc, char*argv[]) { kill_buddy(argv[7],atoi(argv[8])); amok_bw_saturate_start(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]), - sat_size*5,5); + sat_size,5); gras_os_sleep(3); TRY { amok_bw_saturate_stop(argv[1],atoi(argv[2]),NULL,NULL); } CATCH(e) { - xbt_ex_free(&e); + xbt_ex_free(e); } kill_buddy(argv[1],atoi(argv[2])); kill_buddy(argv[3],atoi(argv[4])); } +/********************************************************************************************/ +static void env_hosttohost_bw(int argc, char*argv[]) { -static void full_fledged_saturation(int argc, char*argv[]) { + /* where are the sensors */ + xbt_dynar_t hosts = xbt_dynar_new(sizeof(xbt_host_t),&free_host); + int nb_hosts; + + /* results */ + double sec, bw; + + /* iterators */ + int i; + xbt_host_t h1; + + gras_socket_t peer; /* socket to sensor */ + + /* wait to ensure that all server sockets are there before starting the experiment */ + gras_os_sleep(0.5); + + /* Get the sensor location from argc/argv */ + for (i=1; iname=strdup(argv[i]); + host->port=atoi(argv[i+1]); + INFO2("New sensor: %s:%d",host->name,host->port); + xbt_dynar_push(hosts,&host); + } + nb_hosts = xbt_dynar_length(hosts); + + INFO0(">>> start Test1: ENV end to end mesurements"); + + xbt_dynar_foreach(hosts,i,h1) { + peer = gras_socket_client(h1->name,h1->port); + amok_bw_test(peer,buf_size,exp_size,msg_size,&sec,&bw); + INFO6("Bandwidth between me and %s:%d (%d bytes in msgs of %d bytes) took %f sec, achieving %.3f kb/s", + h1->name,h1->port, + exp_size,msg_size, + sec,((double)bw)/1024.0); + } + + xbt_dynar_map(hosts,kill_buddy_dynar); + xbt_dynar_free(&hosts); + +} +/********************************************************************************************/ +static void env_Pairwisehost_bw(int argc, char*argv[]) { xbt_ex_t e; + /* where are the sensors */ + xbt_dynar_t hosts = xbt_dynar_new(sizeof(xbt_host_t),&free_host); + int nb_hosts; + + /* getting the name of maestro for the saturation and the concurrent bandwidth measurements */ + char* host_test=argv[0]; + + /* results */ + double sec, bw; + + /* iterators */ + int i,j; + xbt_host_t h1,h2; + + /* socket to sensor */ + gras_socket_t peer; + + /* wait to ensure that all server sockets are there before starting the experiment */ + gras_os_sleep(0.5); + + INFO1(">>>>>< le maestro est: %s ",argv[0]); + /* Get the sensor location from argc/argv */ + for (i=1; iname=strdup(argv[i]); + host->port=atoi(argv[i+1]); + INFO2("New sensor: %s:%d",host->name,host->port); + xbt_dynar_push(hosts,&host); + } + nb_hosts = xbt_dynar_length(hosts); + + INFO0(">>> start Test2: ENV pairwise host bandwidth mesurements"); + xbt_dynar_foreach(hosts,i,h1) { + + TRY { + amok_bw_saturate_start(h1->name,h1->port, + host_test,h1->port,//"Ginette" + msg_size,120); // sturation of the link with msg_size to compute a concurent bandwidth MA //MB + } CATCH(e) { + RETHROW0("Cannot ask hosts to saturate the link: %s"); + } + // gras_os_sleep(1.0); + + xbt_dynar_foreach(hosts,j,h2) { + if (i==j) continue; + + peer = gras_socket_client(h2->name,h2->port); + amok_bw_test(peer,buf_size,exp_size,msg_size,&sec,&bw); + INFO6("Bandwidth between me and %s // measurement between me and %s (%d bytes in msgs of %d bytes) took %f sec, achieving %.3f kb/s", + h2->name,h1->name, + exp_size,msg_size, + sec,((double)bw)/1024.0); + + } + amok_bw_saturate_stop(h1->name,h1->port,NULL,NULL); +} + xbt_dynar_map(hosts,kill_buddy_dynar); + xbt_dynar_free(&hosts); + +} +/********************************************************************************************/ +static void full_fledged_saturation(int argc, char*argv[]) { + xbt_ex_t e; +//unsigned int time1=5,bw1=5; +double time1=5.0,bw1=5.0; // 0.5 for test /* timers */ double begin_simulated; int begin; @@ -170,6 +288,9 @@ static void full_fledged_saturation(int argc, char*argv[]) { } nb_hosts = xbt_dynar_length(hosts); + gras_os_sleep(2); /* wait for my pals to get ready */ + INFO0("Let's go for the bw_matrix"); + /* Do the test without saturation */ begin=time(NULL); begin_simulated=gras_os_time(); @@ -184,11 +305,11 @@ static void full_fledged_saturation(int argc, char*argv[]) { xbt_dynar_foreach(hosts,i,h1) { xbt_dynar_foreach(hosts,j,h2) { if (i==j) continue; - + TRY { amok_bw_saturate_start(h1->name,h1->port, h2->name,h2->port, - sat_size,120); + sat_size,120); } CATCH(e) { RETHROW0("Cannot ask hosts to saturate the link: %s"); } @@ -207,25 +328,23 @@ static void full_fledged_saturation(int argc, char*argv[]) { h1->name,h2->name,h3->name,h4->name); amok_bw_request(h3->name,h3->port, h4->name,h4->port, buf_size,exp_size,msg_size, - NULL,&(bw_sat[k*nb_hosts + l])); - + NULL,&(bw_sat[k*nb_hosts + l])); + ratio=bw_sat[k*nb_hosts + l] / bw[k*nb_hosts + l]; INFO8("SATURATED BW XP(%s %s // %s %s) => %f (%f vs %f)%s", h1->name,h2->name,h3->name,h4->name, ratio, bw[k*nb_hosts + l] , bw_sat[k*nb_hosts + l], - ratio < 0.7 ? " THERE IS SOME INTERFERENCE !!!": ""); } } - - amok_bw_saturate_stop(h1->name,h1->port, NULL,NULL); + amok_bw_saturate_stop(h1->name,h1->port,&time1,&bw1);// NULL,NULL); INFO2("Did an iteration on saturation pair in %ld sec (%.2f simulated sec)", time(NULL)-begin, gras_os_time()-begin_simulated); + INFO2("the duration of the experiment >>>>> %.3f sec (%.3f bandwidth)",time1,bw1); } } - free(bw_sat); free(bw); xbt_dynar_map(hosts,kill_buddy_dynar); @@ -238,9 +357,13 @@ int maestro(int argc,char *argv[]) { gras_init(&argc,argv); amok_bw_init(); + gras_socket_server(3333); /* only so that messages from the transport layer in gras identify us */ + + env_Pairwisehost_bw(argc,argv); + //env_hosttohost_bw(argc,argv); // simple_saturation(argc,argv); - full_fledged_saturation(argc, argv); + //full_fledged_saturation(argc, argv); gras_exit(); return 0;