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sched_backtrace: fix when dump running thread in other-core

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Signed-off-by: buxiasen <buxiasen@xiaomi.com>
This commit is contained in:
buxiasen 2024-07-20 17:30:07 +08:00 • committed by Xiang Xiao
parent 4e69a3d2db
commit 4b7493901e
1 changed files with 29 additions and 7 deletions
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36
sched/sched/sched_backtrace.c
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@ -25,6 +25,8 @@
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/sched.h>
#include <nuttx/init.h>
#include "sched.h"
@ -45,16 +47,36 @@
#ifdef CONFIG_ARCH_HAVE_BACKTRACE
int sched_backtrace(pid_t tid, FAR void **buffer, int size, int skip)
{
FAR struct tcb_s *rtcb;
irqstate_t flags;
FAR struct tcb_s *tcb = this_task();
int ret = 0;
if (tid >= 0)
if (tcb->pid == tid)
{
flags = enter_critical_section();
rtcb = nxsched_get_tcb(tid);
if (rtcb != NULL)
ret = up_backtrace(tcb, buffer, size, skip);
}
else
{
irqstate_t flags = enter_critical_section();
tcb = nxsched_get_tcb(tid);
if (tcb != NULL)
{
ret = up_backtrace(rtcb, buffer, size, skip);
#ifdef CONFIG_SMP
if (tcb->task_state == TSTATE_TASK_RUNNING &&
g_nx_initstate != OSINIT_PANIC)
{
up_cpu_pause(tcb->cpu);
}
#endif
ret = up_backtrace(tcb, buffer, size, skip);
#ifdef CONFIG_SMP
if (tcb->task_state == TSTATE_TASK_RUNNING &&
g_nx_initstate != OSINIT_PANIC)
{
up_cpu_resume(tcb->cpu);
}
#endif
}
leave_critical_section(flags);