1 files changed, 136 insertions, 0 deletions
diff --git a/projects/hsm/mgmt-task.c b/projects/hsm/mgmt-task.c
new file mode 100644
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+++ b/projects/hsm/mgmt-task.c
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+/*
+ * mgmt-task.c
+ * -----------
+ * CLI 'task' functions.
+ *
+ * Copyright (c) 2016-2017, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the NORDUnet nor the names of its contributors may
+ *   be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Show the active tasks. This is mostly for debugging, and looks deeply
+ * into OS-level structures, but sometimes you just need to know...
+ */
+
+#include "mgmt-cli.h"
+#include "mgmt-task.h"
+#include "task.h"
+
+static char *task_state[] = {
+    "INIT",
+    "WAITING",
+    "READY"
+};
+
+extern size_t request_queue_len(void);
+extern size_t request_queue_max(void);
+
+static int cmd_task_show(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+    command = command;
+    argv = argv;
+    argc = argc;
+
+    cli_print(cli, "name            state           stack high water");
+    cli_print(cli, "--------        --------        ----------------");
+
+    for (tcb_t *t = task_iterate(NULL); t != NULL; t = task_iterate(t)) {
+        cli_print(cli, "%-15s %-15s %d",
+                  task_get_name(t),
+                  task_state[task_get_state(t)],
+                  task_get_stack_highwater(t));
+    }
+
+    cli_print(cli, " ");
+    cli_print(cli, "RPC request queue current length: %u", request_queue_len());
+    cli_print(cli, "RPC request queue maximum length: %u", request_queue_max());
+
+    extern size_t uart_rx_max;
+    cli_print(cli, " ");
+    cli_print(cli, "UART receive queue maximum length: %u", uart_rx_max);
+
+    size_t used, available;
+    extern void sdram_stats(size_t *used, size_t *available);
+    sdram_stats(&used, &available);
+    cli_print(cli, " ");
+    cli_print(cli, "SDRAM used: %u, available: %u", used, available);
+
+    return CLI_OK;
+}
+
+#ifdef DO_TASK_METRICS
+static int cmd_task_show_metrics(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+    command = command;
+    argv = argv;
+    argc = argc;
+
+    struct task_metrics tm;
+
+    task_get_metrics(&tm);
+
+    cli_print(cli, "avg time between yields: %ld.%06ld sec", tm.avg.tv_sec, tm.avg.tv_usec);
+    cli_print(cli, "max time between yields: %ld.%06ld sec", tm.max.tv_sec, tm.max.tv_usec);
+
+    return CLI_OK;
+}
+
+static int cmd_task_reset_metrics(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+    cli = cli;
+    command = command;
+    argv = argv;
+    argc = argc;
+
+    task_reset_metrics();
+
+    return CLI_OK;
+}
+#endif
+
+void configure_cli_task(struct cli_def *cli)
+{
+    struct cli_command *c = cli_register_command(cli, NULL, "task", NULL, 0, 0, NULL);
+
+    /* task show */
+#ifdef DO_TASK_METRICS
+    struct cli_command *c_show =
+#endif
+    cli_register_command(cli, c, "show", cmd_task_show, 0, 0, "Show the active tasks");
+
+#ifdef DO_TASK_METRICS
+    /* task show metrics */
+    cli_register_command(cli, c_show, "metrics", cmd_task_show_metrics, 0, 0, "Show task metrics");
+
+    /* task reset */
+    struct cli_command *c_reset = cli_register_command(cli, c, "reset", NULL, 0, 0, NULL);
+
+    /* task reset metrics */
+    cli_register_command(cli, c_reset, "metrics", cmd_task_reset_metrics, 0, 0, "Reset task metrics");
+#endif
+}