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/* Copyright (c) 2009, 2010. The SimGrid Team.
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* All rights reserved. */
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/* This program is free software; you can redistribute it and/or modify it
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* under the terms of the license (GNU LGPL) which comes with this package. */
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/* This datatype stores a a trace as produced by examples/simdag/dax, or other means
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* It can be replayed in simulation with examples/msg/actions or on a real platform with
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* examples/gras/replay.
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#include "xbt/sysdep.h"
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#include "gras/datadesc.h"
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XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_workload, xbt,
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"Workload characterisation mecanisms");
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xbt_workload_elm_t xbt_workload_elm_parse(char *line)
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xbt_workload_elm_t res = xbt_new(s_xbt_workload_elm_t, 1);
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res->comment = NULL; /* it's not enough to memset for valgrind, apparently */
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xbt_dynar_t w = xbt_str_split(line, " ");
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if (xbt_dynar_is_empty(w)) {
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char **words = xbt_dynar_get_ptr(w, 0);
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if (words[i][0] == '[') {
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sscanf(words[i] + 1, "%lg", &(res->date));
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res->who = xbt_strdup(words[i++]);
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if (!strcmp(words[i], "recv")) {
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res->action = XBT_WORKLOAD_RECV;
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res->str_arg = xbt_strdup(words[++i]);
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sscanf(words[++i], "%lg", &(res->d_arg));
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} else if (!strcmp(words[i], "send")) {
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res->action = XBT_WORKLOAD_SEND;
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res->str_arg = xbt_strdup(words[++i]);
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sscanf(words[++i], "%lg", &(res->d_arg));
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} else if (!strcmp(words[i], "compute")) {
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res->action = XBT_WORKLOAD_COMPUTE;
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sscanf(words[++i], "%lg", &(res->d_arg));
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xbt_die("Unparsable command: %s (in %s)", words[i], line);
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if (words[i] && words[i][0] == '#') {
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res->comment = xbt_strdup(strchr(line, '#') + 1);
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void xbt_workload_elm_free(xbt_workload_elm_t cmd)
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void xbt_workload_elm_free_voidp(void *cmd)
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xbt_workload_elm_free(*(xbt_workload_elm_t *) cmd);
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char *xbt_workload_elm_to_string(xbt_workload_elm_t cmd)
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return xbt_strdup("(null command)");
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if (cmd->date != -1) {
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addon = bprintf("[%f] ", cmd->date);
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addon = bprintf("'%s' ", cmd->who);
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switch (cmd->action) {
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case XBT_WORKLOAD_COMPUTE:
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addon = bprintf("computed %f flops", cmd->d_arg);
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case XBT_WORKLOAD_SEND:
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addon = bprintf("sent %f bytes to '%s'", cmd->d_arg, cmd->str_arg);
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case XBT_WORKLOAD_RECV:
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bprintf("received %f bytes from '%s'", cmd->d_arg, cmd->str_arg);
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xbt_die("Unknown command %d in '%s...'", cmd->action, res);
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addon = bprintf(" (comment: %s)", cmd->comment);
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return xbt_strdup(res);
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int xbt_workload_elm_cmp_who_date(const void *_c1, const void *_c2)
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xbt_workload_elm_t c1 = *(xbt_workload_elm_t *) _c1;
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xbt_workload_elm_t c2 = *(xbt_workload_elm_t *) _c2;
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int r = strcmp(c1->who, c2->who);
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if (c1->date == c2->date)
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if (c1->date < c2->date)
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void xbt_workload_sort_who_date(xbt_dynar_t c)
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qsort(xbt_dynar_get_ptr(c, 0), xbt_dynar_length(c),
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sizeof(xbt_workload_elm_t), xbt_workload_elm_cmp_who_date);
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xbt_dynar_t xbt_workload_parse_file(char *filename)
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file_in = fopen(filename, "r");
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xbt_assert(file_in, "cannot open tracefile '%s'", filename);
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char *str_in = xbt_str_from_file(file_in);
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xbt_dynar_t in = xbt_str_split(str_in, "\n");
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xbt_dynar_new(sizeof(xbt_workload_elm_t),
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xbt_workload_elm_free_voidp);
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xbt_dynar_foreach(in, cursor, line) {
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xbt_workload_elm_t cmd = xbt_workload_elm_parse(line);
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xbt_dynar_push(cmds, &cmd);
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xbt_dynar_shrink(cmds, 0);
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void xbt_workload_declare_datadesc(void)
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xbt_datadesc_type_t ddt;
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ddt = xbt_datadesc_struct("s_xbt_workload_elm_t");
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xbt_datadesc_struct_append(ddt, "who", xbt_datadesc_by_name("string"));
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xbt_datadesc_struct_append(ddt, "comment",
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xbt_datadesc_by_name("string"));
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xbt_datadesc_struct_append(ddt, "action", xbt_datadesc_by_name("int"));
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xbt_datadesc_struct_append(ddt, "date",
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xbt_datadesc_by_name("double"));
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xbt_datadesc_struct_append(ddt, "d_arg",
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xbt_datadesc_by_name("double"));
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xbt_datadesc_struct_append(ddt, "str_arg",
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xbt_datadesc_by_name("string"));
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xbt_datadesc_struct_close(ddt);
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xbt_datadesc_ref("xbt_workload_elm_t", ddt);
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ddt = xbt_datadesc_struct("s_xbt_workload_data_chunk_t");
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xbt_datadesc_struct_append(ddt, "size", xbt_datadesc_by_name("int"));
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xbt_datadesc_cb_field_push(ddt, "size");
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xbt_datadesc_struct_append(ddt, "chunk",
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xbt_datadesc_ref_pop_arr
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(xbt_datadesc_by_name("char")));
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xbt_datadesc_struct_close(ddt);
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xbt_datadesc_ref("xbt_workload_data_chunk_t", ddt);
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xbt_workload_data_chunk_t xbt_workload_data_chunk_new(int size)
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xbt_workload_data_chunk_t res = xbt_new0(s_xbt_workload_data_chunk_t, 1);
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res->size = size - sizeof(res) - sizeof(int);
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res->chunk = xbt_new(char, res->size);
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void xbt_workload_data_chunk_free(xbt_workload_data_chunk_t c)