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@ -16,10 +16,8 @@
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#include "software_interrupt.h"
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#include "worker_thread.h"
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/* Conditionally used by debuglog when DEBUG is set */
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#ifdef DEBUG
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/* Conditionally used by debuglog when NDEBUG is not set */
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int32_t debuglog_file_descriptor = -1;
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#endif
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float runtime_processor_speed_MHz = 0;
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uint32_t runtime_total_online_processors = 0;
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@ -41,7 +39,7 @@ int runtime_worker_core_count;
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static void
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runtime_usage(char *cmd)
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{
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debuglog("%s <modules_file>\n", cmd);
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printf("%s <modules_file>\n", cmd);
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}
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/**
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@ -80,7 +78,8 @@ runtime_allocate_available_cores()
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{
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/* Find the number of processors currently online */
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runtime_total_online_processors = sysconf(_SC_NPROCESSORS_ONLN);
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uint32_t max_possible_workers = runtime_total_online_processors - 1;
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printf("Detected %u cores\n", runtime_total_online_processors);
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uint32_t max_possible_workers = runtime_total_online_processors - 1;
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if (runtime_total_online_processors < 2) panic("Runtime requires at least two cores!");
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@ -98,9 +97,8 @@ runtime_allocate_available_cores()
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runtime_worker_threads_count = max_possible_workers;
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}
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debuglog("Number of cores %u, sandboxing cores %u (start: %u) and module reqs %u\n",
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runtime_total_online_processors, runtime_worker_threads_count, runtime_first_worker_processor,
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LISTENER_THREAD_CORE_ID);
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printf("Running one listener core at ID %u and %u worker core(s) starting at ID %u\n", LISTENER_THREAD_CORE_ID,
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runtime_worker_threads_count, runtime_first_worker_processor);
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}
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/**
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@ -136,7 +134,6 @@ err:
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goto done;
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}
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#ifdef DEBUG
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/**
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* Controls the behavior of the debuglog macro defined in types.h
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* If LOG_TO_FILE is defined, close stdin, stdout, stderr, and debuglog writes to a logfile named awesome.log.
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@ -157,7 +154,6 @@ runtime_process_debug_log_behavior()
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debuglog_file_descriptor = STDOUT_FILENO;
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#endif /* LOG_TO_FILE */
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}
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#endif /* DEBUG */
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/**
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* Starts all worker threads and sleeps forever on pthread_join, which should never return
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@ -165,6 +161,7 @@ runtime_process_debug_log_behavior()
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void
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runtime_start_runtime_worker_threads()
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{
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printf("Starting %d worker thread(s)\n", runtime_worker_threads_count);
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for (int i = 0; i < runtime_worker_threads_count; i++) {
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int ret = pthread_create(&runtime_worker_threads[i], NULL, worker_thread_main,
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(void *)&runtime_worker_threads_argument[i]);
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@ -208,10 +205,12 @@ runtime_configure()
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} else {
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panic("Invalid scheduler policy: %s. Must be {EDF|FIFO}\n", scheduler_policy);
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}
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printf("Scheduler Policy: %s\n", print_runtime_scheduler(runtime_scheduler));
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/* Runtime Perf Log */
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char *runtime_sandbox_perf_log_path = getenv("SLEDGE_SANDBOX_PERF_LOG");
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if (runtime_sandbox_perf_log_path != NULL) {
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printf("Logging Sandbox Performance to: %s\n", runtime_sandbox_perf_log_path);
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runtime_sandbox_perf_log = fopen(runtime_sandbox_perf_log_path, "w");
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if (runtime_sandbox_perf_log == NULL) { perror("sandbox perf log"); }
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fprintf(runtime_sandbox_perf_log,
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@ -222,11 +221,9 @@ runtime_configure()
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int
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main(int argc, char **argv)
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{
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#ifdef DEBUG
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runtime_process_debug_log_behavior();
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#endif
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debuglog("Initializing the runtime\n");
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printf("Starting the Sledge runtime\n");
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if (argc != 2) {
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runtime_usage(argv[0]);
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exit(-1);
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@ -237,7 +234,7 @@ main(int argc, char **argv)
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runtime_processor_speed_MHz = runtime_get_processor_speed_MHz();
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software_interrupt_interval_duration_in_cycles = (uint64_t)SOFTWARE_INTERRUPT_INTERVAL_DURATION_IN_USEC
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* runtime_processor_speed_MHz;
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debuglog("Detected processor speed of %f MHz\n", runtime_processor_speed_MHz);
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printf("Detected processor speed of %f MHz\n", runtime_processor_speed_MHz);
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runtime_set_resource_limits_to_max();
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runtime_allocate_available_cores();
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@ -248,9 +245,6 @@ main(int argc, char **argv)
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#endif
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if (module_new_from_json(argv[1])) panic("failed to parse modules file[%s]\n", argv[1]);
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debuglog("Scheduler Policy: %s\n", print_runtime_scheduler(runtime_scheduler));
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debuglog("Starting listener thread\n");
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listener_thread_initialize();
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debuglog("Starting %d worker thread(s)\n", runtime_worker_threads_count);
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runtime_start_runtime_worker_threads();
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}
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Sean McBride
4 years ago