Diff: platform/mbed_stats.c

Revision:

152:9a67f0b066fc

diff -r 5eaa88a5bcc7 -r 9a67f0b066fc platform/mbed_stats.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/platform/mbed_stats.c	Thu Dec 15 11:48:27 2016 +0000
@@ -0,0 +1,69 @@
+#include "mbed_stats.h"
+#include <string.h>
+
+#if MBED_CONF_RTOS_PRESENT
+#include "cmsis_os.h"
+#endif
+
+// note: mbed_stats_heap_get defined in mbed_alloc_wrappers.cpp
+
+void mbed_stats_stack_get(mbed_stats_stack_t *stats)
+{
+    memset(stats, 0, sizeof(mbed_stats_stack_t));
+
+#if MBED_STACK_STATS_ENABLED && MBED_CONF_RTOS_PRESENT
+    osThreadEnumId enumid = _osThreadsEnumStart();
+    osThreadId threadid;
+
+    while ((threadid = _osThreadEnumNext(enumid))) {
+        osEvent e;
+
+        e = _osThreadGetInfo(threadid, osThreadInfoStackMax);
+        if (e.status == osOK) {
+           stats->max_size += (uint32_t)e.value.p;
+        }
+
+        e = _osThreadGetInfo(threadid, osThreadInfoStackSize);
+        if (e.status == osOK) {
+           stats->reserved_size += (uint32_t)e.value.p;
+        }
+
+        stats->stack_cnt += 1;
+    }
+#endif
+}
+
+size_t mbed_stats_stack_get_each(mbed_stats_stack_t *stats, size_t count)
+{
+    memset(stats, 0, count*sizeof(mbed_stats_stack_t));
+    size_t i = 0;
+
+#if MBED_STACK_STATS_ENABLED && MBED_CONF_RTOS_PRESENT
+    osThreadEnumId enumid = _osThreadsEnumStart();
+    osThreadId threadid;
+
+    while ((threadid = _osThreadEnumNext(enumid)) && i < count) {
+        osEvent e;
+
+        e = _osThreadGetInfo(threadid, osThreadInfoStackMax);
+        if (e.status == osOK) {
+           stats[i].max_size = (uint32_t)e.value.p;
+        }
+
+        e = _osThreadGetInfo(threadid, osThreadInfoStackSize);
+        if (e.status == osOK) {
+           stats[i].reserved_size = (uint32_t)e.value.p;
+        }
+
+        stats[i].thread_id = (uint32_t)threadid;
+        stats[i].stack_cnt = 1;
+        i += 1;
+    }
+#endif
+
+    return i;
+}
+
+#if MBED_STACK_STATS_ENABLED && !MBED_CONF_RTOS_PRESENT
+#warning Stack statistics are currently not supported without the rtos.
+#endif