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shell: modules: kernel: add shell command for system heap stats

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Added a shell command to print kernel system heap usage statistics.

Signed-off-by: Tommi Kangas <tommi.kangas@nordicsemi.no>
This commit is contained in:
Tommi Kangas 2023-02-13 09:27:58 +02:00 • committed by Anas Nashif
commit a25bcfdc59
1 changed files with 32 additions and 0 deletions
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32
subsys/shell/modules/kernel_service.c
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@ -16,6 +16,9 @@
#include <zephyr/kernel.h>
#include <kernel_internal.h>
#include <stdlib.h>
#if defined(CONFIG_SYS_HEAP_RUNTIME_STATS) && (CONFIG_HEAP_MEM_POOL_SIZE > 0)
#include <zephyr/sys/sys_heap.h>
#endif
#if defined(CONFIG_LOG_RUNTIME_FILTERING)
#include <zephyr/logging/log_ctrl.h>
#endif
@ -232,6 +235,32 @@ static int cmd_kernel_stacks(const struct shell *shell,
}
#endif
#if defined(CONFIG_SYS_HEAP_RUNTIME_STATS) && (CONFIG_HEAP_MEM_POOL_SIZE > 0)
extern struct sys_heap _system_heap;
static int cmd_kernel_heap(const struct shell *sh,
size_t argc, char **argv)
{
ARG_UNUSED(argc);
ARG_UNUSED(argv);
int err;
struct sys_memory_stats stats;
err = sys_heap_runtime_stats_get(&_system_heap, &stats);
if (err) {
shell_error(sh, "Failed to read kernel system heap statistics (err %d)", err);
return -ENOEXEC;
}
shell_print(sh, "free: %zu", stats.free_bytes);
shell_print(sh, "allocated: %zu", stats.allocated_bytes);
shell_print(sh, "max. allocated: %zu", stats.max_allocated_bytes);
return 0;
}
#endif
static int cmd_kernel_sleep(const struct shell *sh,
size_t argc, char **argv)
{
@ -329,6 +358,9 @@ SHELL_STATIC_SUBCMD_SET_CREATE(sub_kernel,
defined(CONFIG_THREAD_MONITOR)
SHELL_CMD(stacks, NULL, "List threads stack usage.", cmd_kernel_stacks),
SHELL_CMD(threads, NULL, "List kernel threads.", cmd_kernel_threads),
#endif
#if defined(CONFIG_SYS_HEAP_RUNTIME_STATS) && (CONFIG_HEAP_MEM_POOL_SIZE > 0)
SHELL_CMD(heap, NULL, "System heap usage statistics.", cmd_kernel_heap),
#endif
SHELL_CMD(uptime, NULL, "Kernel uptime.", cmd_kernel_uptime),
SHELL_CMD(version, NULL, "Kernel version.", cmd_kernel_version),