zephyr/subsys/tracing/sysview/sysview.c

80 lines
1.3 KiB
C

/*
* Copyright (c) 2018 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/kernel.h>
#include <zephyr/kernel_structs.h>
#include <zephyr/init.h>
#include <ksched.h>
#include <SEGGER_SYSVIEW.h>
static uint32_t interrupt;
uint32_t sysview_get_timestamp(void)
{
return k_cycle_get_32();
}
uint32_t sysview_get_interrupt(void)
{
#ifdef CONFIG_CPU_CORTEX_M
interrupt = ((SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) >>
SCB_ICSR_VECTACTIVE_Pos);
#endif
return interrupt;
}
void sys_trace_k_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((uint32_t)(uintptr_t)thread);
}
}
void sys_trace_k_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 int sysview_init(void)
{
SEGGER_SYSVIEW_Conf();
if (IS_ENABLED(CONFIG_SEGGER_SYSTEMVIEW_BOOT_ENABLE)) {
SEGGER_SYSVIEW_Start();
}
return 0;
}
SYS_INIT(sysview_init, POST_KERNEL, 0);