zephyr/subsys/debug/tracing/sysview.c

114 lines
1.9 KiB
C

/*
* Copyright (c) 2018 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr.h>
#include <kernel_structs.h>
#include <init.h>
#include <ksched.h>
#include <SEGGER_SYSVIEW.h>
#include <Global.h>
#include "SEGGER_SYSVIEW_Zephyr.h"
static u32_t interrupt;
u32_t sysview_get_timestamp(void)
{
return k_cycle_get_32();
}
u32_t sysview_get_interrupt(void)
{
return interrupt;
}
void sys_trace_thread_switched_in(void)
{
struct k_thread *thread;
thread = k_current_get();
if (z_is_idle_thread_object(thread)) {
SEGGER_SYSVIEW_OnIdle();
} else {
SEGGER_SYSVIEW_OnTaskStartExec((u32_t)(uintptr_t)thread);
}
}
void sys_trace_thread_switched_out(void)
{
SEGGER_SYSVIEW_OnTaskStopExec();
}
void sys_trace_isr_enter(void)
{
SEGGER_SYSVIEW_RecordEnterISR();
}
void sys_trace_isr_exit(void)
{
SEGGER_SYSVIEW_RecordExitISR();
}
void sys_trace_isr_exit_to_scheduler(void)
{
SEGGER_SYSVIEW_RecordExitISRToScheduler();
}
void sys_trace_idle(void)
{
SEGGER_SYSVIEW_OnIdle();
}
static void send_task_list_cb(void)
{
struct k_thread *thread;
for (thread = _kernel.threads; thread; thread = thread->next_thread) {
char name[20];
const char *tname = k_thread_name_get(thread);
if (z_is_idle_thread_object(thread)) {
continue;
}
snprintk(name, sizeof(name), "T%pE%p", thread, &thread->entry);
SEGGER_SYSVIEW_SendTaskInfo(&(SEGGER_SYSVIEW_TASKINFO) {
.TaskID = (u32_t)(uintptr_t)thread,
.sName = tname?tname: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,
};
static int sysview_init(struct device *arg)
{
ARG_UNUSED(arg);
SEGGER_SYSVIEW_Conf();
if (IS_ENABLED(CONFIG_SEGGER_SYSTEMVIEW_BOOT_ENABLE)) {
SEGGER_SYSVIEW_Start();
}
return 0;
}
SYS_INIT(sysview_init, POST_KERNEL, 0);