Performance tools, initial check-in
Change-Id: I9fb4f4babecbe02d171f38c4d089634e90141937
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/perftool/c2cpel.c b/perftool/c2cpel.c
new file mode 100644
index 0000000..38e6fe5
--- /dev/null
+++ b/perftool/c2cpel.c
@@ -0,0 +1,248 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2006-2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <netinet/in.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/fcntl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <vppinfra/clib.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/hash.h>
+#include <vppinfra/elog.h>
+#include <pwd.h>
+#include <stdarg.h>
+#include <time.h>
+#include "cpel.h"
+#include "cpel_util.h"
+
+static elog_main_t elog_main;
+
+/*
+ * convert_clib_file
+ */
+void convert_clib_file(char *clib_file)
+{
+ clib_error_t *error = 0;
+ int i;
+ elog_main_t *em = &elog_main;
+ double starttime, delta;
+
+ error = elog_read_file (&elog_main, clib_file);
+
+ if (error) {
+ clib_warning("%U", format_clib_error, error);
+ exit (1);
+ }
+
+ em = &elog_main;
+
+ starttime = em->events[0].time;
+
+ for (i = 0; i < vec_len (em->events); i++) {
+ elog_event_t *e; /* clib event */
+ evt_t *ep; /* xxx2cpel event */
+ u8 *s;
+ u64 timestamp;
+ elog_event_type_t *t;
+ u8 *brief_event_name;
+ u8 *track_name;
+ int j;
+
+ e = vec_elt_at_index(em->events, i);
+
+ /* Seconds since start of log */
+ delta = e->time - starttime;
+
+ /* u64 nanoseconds since start of log */
+ timestamp = delta * 1e9;
+
+ s = format (0, "%U%c", format_elog_event, em, e, 0);
+
+ /* allocate an event instance */
+ vec_add2(the_events, ep, 1);
+ ep->timestamp = timestamp;
+
+ /* convert string event code to a real number */
+ t = vec_elt_at_index (em->event_types, e->type);
+
+ /*
+ * Construct a reasonable event name.
+ * Truncate the format string at the first whitespace break
+ * or printf format character.
+ */
+ brief_event_name = format (0, "%s", t->format);
+
+ for (j = 0; j < vec_len (brief_event_name); j++) {
+ if (brief_event_name[j] == ' ' ||
+ brief_event_name[j] == '%' ||
+ brief_event_name[j] == '(') {
+ brief_event_name[j] = 0;
+ break;
+ }
+ }
+ /* Throw away that much of the formatted event */
+ vec_delete (s, j+1, 0);
+
+ ep->event_id = find_or_add_event(brief_event_name, "%s");
+
+ track_name = format (0, "%U%c", format_elog_track, em, e, 0);
+
+ ep->track_id = find_or_add_track (track_name);
+
+ ep->datum = find_or_add_strtab(s);
+
+ vec_free (track_name);
+ vec_free(brief_event_name);
+ vec_free(s);
+ }
+}
+
+u8 *vec_basename (char *s)
+{
+ u8 * rv;
+ char *cp = s;
+
+ while (*cp)
+ cp++;
+
+ cp--;
+
+ while (cp > s && *cp != '/')
+ cp--;
+
+ if (cp > s)
+ cp++;
+
+ rv = format (0, "%s", cp);
+ return rv;
+}
+
+
+int event_compare (const void *a0, const void *a1)
+{
+ evt_t *e0 = (evt_t *)a0;
+ evt_t *e1 = (evt_t *)a1;
+
+ if (e0->timestamp < e1->timestamp)
+ return -1;
+ else if (e0->timestamp > e1->timestamp)
+ return 1;
+ return 0;
+}
+
+int main (int argc, char **argv)
+{
+ int curarg=1;
+ char **inputfiles = 0;
+ char *outputfile = 0;
+ FILE *ofp;
+
+ if (argc < 3)
+ goto usage;
+
+ while (curarg < argc) {
+ if (!strncmp(argv[curarg], "--input-file", 3)) {
+ curarg++;
+ if (curarg < argc) {
+ vec_add1 (inputfiles, argv[curarg]);
+ curarg++;
+ continue;
+ }
+ clib_warning("Missing filename after --input-file\n");
+ exit (1);
+ }
+
+ if (!strncmp(argv[curarg], "--output-file", 3)) {
+ curarg ++;
+ if (curarg < argc) {
+ outputfile = argv[curarg];
+ curarg ++;
+ continue;
+ }
+ clib_warning("Missing filename after --output-file\n");
+ exit(1);
+ }
+ vec_add1 (inputfiles, argv[curarg]);
+ curarg++;
+ continue;
+
+ usage:
+ fformat(stderr,
+ "c2cpel [--input-file] <filename> --output-file <filename>\n");
+ exit(1);
+ }
+
+ if (vec_len(inputfiles) == 0 || outputfile == 0)
+ goto usage;
+
+ if (vec_len(inputfiles) > 1)
+ goto usage;
+
+ cpel_util_init();
+
+ convert_clib_file (inputfiles[0]);
+
+ ofp = fopen (outputfile, "w");
+ if (ofp == NULL) {
+ clib_unix_warning ("couldn't create %s", outputfile);
+ exit (1);
+ }
+
+ alpha_sort_tracks();
+ fixup_event_tracks();
+
+ /*
+ * Four sections: string-table, event definitions, track defs, events.
+ */
+ if (!write_cpel_header(ofp, 4)) {
+ clib_warning ("Error writing cpel header to %s...\n", outputfile);
+ unlink(outputfile);
+ exit(1);
+ }
+
+ if (!write_string_table(ofp)) {
+ clib_warning ("Error writing string table to %s...\n", outputfile);
+ unlink(outputfile);
+ exit(1);
+ }
+
+ if (!write_event_defs(ofp)) {
+ clib_warning ("Error writing event defs to %s...\n", outputfile);
+ unlink(outputfile);
+ exit(1);
+ }
+
+ if (!write_track_defs(ofp)) {
+ clib_warning ("Error writing track defs to %s...\n", outputfile);
+ unlink(outputfile);
+ exit(1);
+ }
+
+ if (!write_events(ofp, (u64) 1e9)) {
+ clib_warning ("Error writing events to %s...\n", outputfile);
+ unlink(outputfile);
+ exit(1);
+
+ }
+ fclose(ofp);
+ exit (0);
+}