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authorDave Barach <dave@barachs.net>2017-04-03 10:22:17 -0400
committerFlorin Coras <florin.coras@gmail.com>2017-04-03 15:24:50 +0000
commit2c35e5849d0c87ce5d63724d35f98379187519d8 (patch)
treeffea6de7a8ffed641c7f35cf2eee440f08566b8a /src/tools/perftool/elog_merge.c
parenta657e4e7c9cff967303a0396d7819073d8e17fea (diff)
g2: add multi-track time-slew controls
Create an elog_merge utility, extracted from test_elog. Change-Id: Ide137b4858c88b3a2885583b7fbb15ddc4963af9 Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/tools/perftool/elog_merge.c')
-rw-r--r--src/tools/perftool/elog_merge.c181
1 files changed, 181 insertions, 0 deletions
diff --git a/src/tools/perftool/elog_merge.c b/src/tools/perftool/elog_merge.c
new file mode 100644
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+++ b/src/tools/perftool/elog_merge.c
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+/*
+ * Copyright (c) 2015 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.
+ */
+/*
+ Copyright (c) 2005 Eliot Dresselhaus
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <vppinfra/elog.h>
+#include <vppinfra/error.h>
+#include <vppinfra/format.h>
+#include <vppinfra/random.h>
+#include <vppinfra/serialize.h>
+#include <vppinfra/unix.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/hash.h>
+
+int
+elog_merge_main (unformat_input_t * input)
+{
+ clib_error_t *error = 0;
+ elog_main_t _em, *em = &_em;
+ u32 verbose;
+ char *dump_file, *merge_file, **merge_files;
+ u8 *tag, **tags;
+ f64 align_tweak;
+ f64 *align_tweaks;
+ uword i;
+ elog_main_t *ems;
+
+ verbose = 0;
+ dump_file = 0;
+ merge_files = 0;
+ tags = 0;
+ align_tweaks = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "dump %s", &dump_file))
+ ;
+ else if (unformat (input, "tag %s", &tag))
+ vec_add1 (tags, tag);
+ else if (unformat (input, "merge %s", &merge_file))
+ vec_add1 (merge_files, merge_file);
+
+ else if (unformat (input, "verbose %=", &verbose, 1))
+ ;
+ else if (unformat (input, "align-tweak %f", &align_tweak))
+ vec_add1 (align_tweaks, align_tweak);
+ else
+ {
+ error = clib_error_create ("unknown input `%U'\n",
+ format_unformat_error, input);
+ goto done;
+ }
+ }
+
+ vec_clone (ems, merge_files);
+
+ /* Supply default tags as needed */
+ if (vec_len (tags) < vec_len (ems))
+ {
+ for (i = vec_len (tags); i < vec_len (ems); i++)
+ vec_add1 (tags, format (0, "F%d%c", i, 0));
+ }
+
+ for (i = 0; i < vec_len (ems); i++)
+ {
+ if ((error = elog_read_file ((i == 0) ? em : &ems[i], merge_files[i])))
+ goto done;
+ if (i > 0)
+ {
+ align_tweak = 0.0;
+ if (i <= vec_len (align_tweaks))
+ align_tweak = align_tweaks[i - 1];
+ elog_merge (em, tags[0], &ems[i], tags[i], align_tweak);
+ tags[0] = 0;
+ }
+ }
+
+ if (dump_file)
+ {
+ if ((error =
+ elog_write_file (em, dump_file, 0 /* do not flush ring */ )))
+ goto done;
+ }
+
+ if (verbose)
+ {
+ elog_event_t *e, *es;
+ es = elog_get_events (em);
+ vec_foreach (e, es)
+ {
+ clib_warning ("%18.9f: %12U %U\n", e->time,
+ format_elog_track, em, e, format_elog_event, em, e);
+ }
+ }
+
+done:
+ if (error)
+ clib_error_report (error);
+ return 0;
+}
+
+int
+main (int argc, char *argv[])
+{
+ unformat_input_t i;
+ int r;
+
+ clib_mem_init (0, 3ULL << 30);
+
+ unformat_init_command_line (&i, argv);
+ r = elog_merge_main (&i);
+ unformat_free (&i);
+ return r;
+}
+
+/*
+ * GDB callable function: vl - Return vector length of vector
+ */
+u32
+vl (void *p)
+{
+ return vec_len (p);
+}
+
+/*
+ * GDB callable function: pe - call pool_elts - number of elements in a pool
+ */
+uword
+pe (void *v)
+{
+ return (pool_elts (v));
+}
+
+/*
+ * GDB callable function: he - call hash_elts - number of elements in a hash
+ */
+uword
+he (void *v)
+{
+ return (hash_elts (v));
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */