zephyr/subsys/tracing/sysview/sysview_config.c

109 lines
2.4 KiB
C

/*
* Copyright (c) 2018 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <kernel.h>
#include <SEGGER_SYSVIEW.h>
#include <ksched.h>
extern const SEGGER_SYSVIEW_OS_API SYSVIEW_X_OS_TraceAPI;
#if CONFIG_THREAD_MAX_NAME_LEN
#define THREAD_NAME_LEN CONFIG_THREAD_MAX_NAME_LEN
#else
#define THREAD_NAME_LEN 20
#endif
static void set_thread_name(char *name, struct k_thread *thread)
{
const char *tname = k_thread_name_get(thread);
if (tname != NULL && tname[0] != '\0') {
memcpy(name, tname, THREAD_NAME_LEN);
name[THREAD_NAME_LEN - 1] = '\0';
} else {
snprintk(name, THREAD_NAME_LEN, "T%pE%p",
thread, &thread->entry);
}
}
void sys_trace_thread_info(struct k_thread *thread)
{
char name[THREAD_NAME_LEN];
set_thread_name(name, thread);
SEGGER_SYSVIEW_TASKINFO Info;
Info.TaskID = (uint32_t)(uintptr_t)thread;
Info.sName = name;
Info.Prio = thread->base.prio;
Info.StackBase = thread->stack_info.size;
Info.StackSize = thread->stack_info.start;
SEGGER_SYSVIEW_SendTaskInfo(&Info);
}
static void cbSendSystemDesc(void)
{
SEGGER_SYSVIEW_SendSysDesc("N=ZephyrSysView");
SEGGER_SYSVIEW_SendSysDesc("D=" CONFIG_BOARD " "
CONFIG_SOC_SERIES " " CONFIG_ARCH);
SEGGER_SYSVIEW_SendSysDesc("O=Zephyr");
}
static void send_task_list_cb(void)
{
struct k_thread *thread;
for (thread = _kernel.threads; thread; thread = thread->next_thread) {
char name[THREAD_NAME_LEN];
if (z_is_idle_thread_object(thread)) {
continue;
}
set_thread_name(name, thread);
SEGGER_SYSVIEW_SendTaskInfo(&(SEGGER_SYSVIEW_TASKINFO) {
.TaskID = (uint32_t)(uintptr_t)thread,
.sName = name,
.StackSize = thread->stack_info.size,
.StackBase = thread->stack_info.start,
.Prio = thread->base.prio,
});
}
}
static U64 get_time_cb(void)
{
return (U64)k_cycle_get_32();
}
const SEGGER_SYSVIEW_OS_API SYSVIEW_X_OS_TraceAPI = {
get_time_cb,
send_task_list_cb,
};
void SEGGER_SYSVIEW_Conf(void)
{
SEGGER_SYSVIEW_Init(sys_clock_hw_cycles_per_sec(),
sys_clock_hw_cycles_per_sec(),
&SYSVIEW_X_OS_TraceAPI, cbSendSystemDesc);
#if DT_NODE_HAS_STATUS(DT_CHOSEN(zephyr_sram), okay)
SEGGER_SYSVIEW_SetRAMBase(DT_REG_ADDR(DT_CHOSEN(zephyr_sram)));
#else
/* Setting RAMBase is just an optimization: this value is subtracted
* from all pointers in order to save bandwidth. It's not an error
* if a platform does not set this value.
*/
#endif
}