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api: vppapitrace JSON/API trace converter

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usage: vppapitrace.py [-h] [--debug] [--apidir APIDIR] {convert,replay} ...

optional arguments:
  -h, --help        show this help message and exit
  --debug           enable debug mode
  --apidir APIDIR   Location of JSON API definitions

subcommands:
  valid subcommands

  {convert,replay}  additional help
    convert         Convert API trace to JSON or Python and back
    replay          Replay messages to running VPP instance

To convert an API trace file to JSON:
vppapitrace convert /tmp/api.trace trace.json

To convert an (edited) JSON file back to API trace for replay:
vppapitrace convert trace.json api-edited.trace

To generate a Python file that can be replayed:
vppapitrace convert /tmp/api.trace trace.py
vppapitrace convert trace.json trace.py

Replay it to a running VPP instance:
vppapitrace replay --socket /tmp/api.trace

In VPP that file can be replayed with:
vpp# api trace replay api-edited.trace

This patch also modifies the API binary trace format, to include the
message id to message name table.

Change-Id: Ie6441efb53c1c93c9f778f6ae9c1758bccc8dd87
Type: refactor
Signed-off-by: Ole Troan <ot@cisco.com>
This commit is contained in:
Ole Troan
2019-07-30 15:38:13 +02:00
committed by Dave Barach
parent c54235776c
commit edfe2c0079
11 changed files with 694 additions and 228 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/vlibmemory/vlib_api.c
View File

@ -68,29 +68,6 @@ vl_api_trace_plugin_msg_ids_t_print (vl_api_trace_plugin_msg_ids_t * a,
#include <vlibmemory/vl_memory_api_h.h>
#undef vl_endianfun
u8 *
vl_api_serialize_message_table (api_main_t * am, u8 * vector)
{
serialize_main_t _sm, *sm = &_sm;
hash_pair_t *hp;
u32 nmsg = hash_elts (am->msg_index_by_name_and_crc);
serialize_open_vector (sm, vector);
/* serialize the count */
serialize_integer (sm, nmsg, sizeof (u32));
/* *INDENT-OFF* */
hash_foreach_pair (hp, am->msg_index_by_name_and_crc,
({
serialize_likely_small_unsigned_integer (sm, hp->value[0]);
serialize_cstring (sm, (char *) hp->key);
}));
/* *INDENT-ON* */
return serialize_close_vector (sm);
}
static void
vl_api_get_first_msg_id_t_handler (vl_api_get_first_msg_id_t * mp)
{