From 52642c3c535128cb96489fed45327bdd55953397 Mon Sep 17 00:00:00 2001
From: Dave Barach <dave@barachs.net>
Date: Thu, 11 Feb 2016 19:28:19 -0500
Subject: Performance tools, initial check-in

Change-Id: I9fb4f4babecbe02d171f38c4d089634e90141937
Signed-off-by: Dave Barach <dave@barachs.net>
---
 g2/clib.c | 154 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 g2/clib.c

(limited to 'g2/clib.c')

diff --git a/g2/clib.c b/g2/clib.c
new file mode 100644
index 00000000000..d0cd6195a5f
--- /dev/null
+++ b/g2/clib.c
@@ -0,0 +1,154 @@
+/* 
+ *------------------------------------------------------------------
+ * Copyright (c) 2009-2016 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 "g2.h"
+
+int widest_track_format;
+
+typedef struct bound_track_ {
+    u32 track;
+    u8  *track_str;
+} bound_track_t;
+
+bound_track_t *bound_tracks;
+
+uword *the_evtdef_hash; /* (event-id, event-definition) hash */
+uword *the_trackdef_hash; /* (track-id, track-definition) hash */
+
+elog_main_t elog_main;
+
+void *get_clib_event (unsigned int datum)
+{
+    elog_event_t *ep = vec_elt_at_index (elog_main.events, datum);
+    return (void *)ep;
+}
+
+/*
+ * read_clib_file
+ */
+int read_clib_file(char *clib_file)
+{
+    static FILE *ofp;
+    clib_error_t *error = 0;
+    int i;
+    elog_main_t *em = &elog_main;
+    double starttime, delta;
+
+    vec_free(em->events);
+    vec_free(em->event_types);
+    if (the_trackdef_hash)
+        hash_free(the_trackdef_hash);
+
+    the_trackdef_hash = hash_create (0, sizeof (uword));
+
+    error = elog_read_file (&elog_main, clib_file);
+
+    if (error) {
+        fformat(stderr, "%U", format_clib_error, error);
+        return (1);
+    }
+
+    if (ofp == NULL) {
+        ofp = fdopen(2, "w");
+        if (ofp == NULL) {
+            fprintf(stderr, "Couldn't fdopen(2)?\n");
+            exit(1);
+        }
+    }
+
+    em = &elog_main;
+
+    for (i = 0; i < vec_len (em->tracks); i++) {
+        u32 track_code;
+        bound_track_t * btp;
+        elog_track_t * t;
+        uword * p;
+        int track_strlen;
+
+        t = &em->tracks[i];
+        track_code = i;
+        p = hash_get(the_trackdef_hash, track_code);
+        if (p) {
+            fprintf(ofp, "track %d redefined, retain first definition\n",
+                    track_code);
+            continue;
+        }
+        vec_add2(bound_tracks, btp, 1);
+        btp->track = track_code;
+        btp->track_str = t->name;
+        hash_set(the_trackdef_hash, track_code, btp - bound_tracks);
+
+        track_strlen = strlen((char *)btp->track_str);
+        if (track_strlen > widest_track_format)
+            widest_track_format = track_strlen;
+    }
+
+    initialize_events();
+
+    for (i = 0; i < vec_len (em->event_types); i++) {
+        elog_event_type_t *ep;
+        u8 *tmp;
+
+        ep = vec_elt_at_index(em->event_types, i);
+        tmp = (u8 *) vec_dup(ep->format);
+        vec_add1(tmp,0);
+        add_event_from_clib_file (ep->type_index_plus_one, (char *) tmp, i);
+        vec_free(tmp);
+    }
+
+    finalize_events();
+
+    em->events = elog_get_events (em);
+
+    cpel_event_init(vec_len(em->events));
+
+    starttime = em->events[0].time;
+
+    for (i = 0; i < vec_len (em->events); i++) {
+        elog_event_t *ep;
+
+        ep = vec_elt_at_index(em->events, i);
+
+        delta = ep->time - starttime;
+
+        add_clib_event (delta, ep->track, ep->type + 1, i);
+    }
+
+    cpel_event_finalize();
+
+    set_pid_ax_width(8*widest_track_format);
+
+    return(0);
+}
-- 
cgit 1.2.3-korg