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authorDave Barach <dave@barachs.net>2016-03-28 17:12:19 -0400
committerDave Barach <dave@barachs.net>2016-03-28 17:12:36 -0400
commite5389bb05330a9bd2f24478f996adbcce532ded5 (patch)
tree09243972dbf1e63c3fa746a1fb86221759da719e /vlib
parentfb6e59d839001b37bbb70e253627d5b1331ae918 (diff)
event logger skeletons, improve debug CLI
Change-Id: Ieb2e4043fc7bc3b4a5436a7a6aa35f573d8d4506 Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'vlib')
-rw-r--r--vlib/vlib/elog_samples.c108
-rw-r--r--vlib/vlib/main.c80
2 files changed, 183 insertions, 5 deletions
diff --git a/vlib/vlib/elog_samples.c b/vlib/vlib/elog_samples.c
new file mode 100644
index 00000000000..0a5cd202252
--- /dev/null
+++ b/vlib/vlib/elog_samples.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 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 <vlib/vlib.h>
+#include <vppinfra/elog.h>
+
+static inline void elog_four_int_sample (u32 *data)
+{
+ ELOG_TYPE_DECLARE(e) =
+ {
+ .format = "four int: first %d second %d third %d fourth %d",
+ .format_args = "i4i4i4i4",
+ };
+ struct { u32 data[4];} * ed;
+ ed = ELOG_DATA (&vlib_global_main.elog_main, e);
+ ed->data[0] = data[0];
+ ed->data[1] = data[1];
+ ed->data[2] = data[2];
+ ed->data[3] = data[3];
+}
+
+static inline void elog_four_int_track_sample (u32 *data)
+{
+ ELOG_TYPE_DECLARE(e) =
+ {
+ .format = "four_int_track: first %d second %d third %d fourth %d",
+ .format_args = "i4i4i4i4",
+ };
+ struct { u32 data[4];} * ed;
+ ELOG_TRACK(sample_track);
+ ed = ELOG_TRACK_DATA (&vlib_global_main.elog_main, e, sample_track);
+ ed->data[0] = data[0];
+ ed->data[1] = data[1];
+ ed->data[2] = data[2];
+ ed->data[3] = data[3];
+}
+
+static inline void elog_enum_sample (u8 which)
+{
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "my enum: %s",
+ .format_args = "t1",
+ .n_enum_strings = 2,
+ .enum_strings =
+ {
+ "string 1",
+ "string 2",
+ },
+ };
+ struct { u8 which;} * ed;
+ ed = ELOG_DATA (&vlib_global_main.elog_main, e);
+ ed->which = which;
+}
+
+static inline void elog_one_datum_sample (u32 data)
+{
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "one datum: %d",
+ .format_args = "i4",
+ };
+
+ elog (&vlib_global_main.elog_main, &e, data);
+}
+
+static clib_error_t *
+test_elog_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ int i;
+ u32 samples[4];
+
+ for (i = 0; i < 10; i++)
+ {
+ samples[0] = i;
+ samples[1] = i+1;
+ samples[2] = i+2;
+ samples[3] = i+3;
+
+ elog_four_int_sample (samples);
+ elog_four_int_track_sample (samples);
+ elog_enum_sample (0);
+ elog_enum_sample (1);
+ elog_one_datum_sample (i);
+ }
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (test_elog_command, static) = {
+ .path = "test elog sample",
+ .short_help = "test elog sample",
+ .function = test_elog_command_fn,
+};
diff --git a/vlib/vlib/main.c b/vlib/vlib/main.c
index fe9a7da8243..07cf7fb2e6b 100644
--- a/vlib/vlib/main.c
+++ b/vlib/vlib/main.c
@@ -665,8 +665,8 @@ vlib_cli_elog_clear (vlib_main_t * vm,
}
VLIB_CLI_COMMAND (elog_clear_cli, static) = {
- .path = "clear event-logger",
- .short_help = "Clear current event log",
+ .path = "event-logger clear",
+ .short_help = "Clear the event log",
.function = vlib_cli_elog_clear,
};
@@ -711,11 +711,78 @@ elog_save_buffer (vlib_main_t * vm,
}
VLIB_CLI_COMMAND (elog_save_cli, static) = {
- .path = "save event-logger",
- .short_help = "save event-logger <filename> (saves log in /tmp/<filename>)",
+ .path = "event-logger save",
+ .short_help = "event-logger save <filename> (saves log in /tmp/<filename>)",
.function = elog_save_buffer,
};
+static clib_error_t *
+elog_stop (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ elog_main_t * em = &vm->elog_main;
+
+ em->n_total_events_disable_limit = em->n_total_events;
+
+ vlib_cli_output (vm, "Stopped the event logger...");
+ return 0;
+}
+
+VLIB_CLI_COMMAND (elog_stop_cli, static) = {
+ .path = "event-logger stop",
+ .short_help = "Stop the event-logger",
+ .function = elog_stop,
+};
+
+static clib_error_t *
+elog_restart (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ elog_main_t * em = &vm->elog_main;
+
+ em->n_total_events_disable_limit = ~0;
+
+ vlib_cli_output (vm, "Restarted the event logger...");
+ return 0;
+}
+
+VLIB_CLI_COMMAND (elog_restart_cli, static) = {
+ .path = "event-logger restart",
+ .short_help = "Restart the event-logger",
+ .function = elog_restart,
+};
+
+static clib_error_t *
+elog_resize (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ elog_main_t * em = &vm->elog_main;
+ u32 tmp;
+
+ /* Stop the parade */
+ elog_reset_buffer (&vm->elog_main);
+
+ if (unformat (input, "%d", &tmp))
+ {
+ elog_alloc (em, tmp);
+ em->n_total_events_disable_limit = ~0;
+ }
+ else
+ return clib_error_return (0, "Must specify how many events in the ring");
+
+ vlib_cli_output (vm, "Resized ring and restarted the event logger...");
+ return 0;
+}
+
+VLIB_CLI_COMMAND (elog_resize_cli, static) = {
+ .path = "event-logger resize",
+ .short_help = "event-logger resize <nnn>",
+ .function = elog_resize,
+};
+
#endif /* CLIB_UNIX */
static void elog_show_buffer_internal (vlib_main_t * vm, u32 n_events_to_show)
@@ -729,7 +796,10 @@ static void elog_show_buffer_internal (vlib_main_t * vm, u32 n_events_to_show)
* vm->clib_time.seconds_per_clock;
es = elog_peek_events (em);
- vlib_cli_output (vm, "%d events in buffer", vec_len (es));
+ vlib_cli_output (vm, "%d of %d events in buffer, logger %s", vec_len (es),
+ em->event_ring_size,
+ em->n_total_events < em->n_total_events_disable_limit ?
+ "running" : "stopped");
vec_foreach (e, es)
{
vlib_cli_output (vm, "%18.9f: %U",