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system/trace: add switch priority print to align with ftrace

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Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2022-03-30 21:02:18 +08:00 committed by Xiang Xiao
parent 2fd38eb57b
commit 023971d46c
1 changed files with 21 additions and 9 deletions
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30
system/trace/trace_dump.c
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@ -70,11 +70,13 @@
struct trace_dump_cpu_context_s
{
int intr_nest; /* Interrupt nest level */
bool pendingswitch; /* sched_switch pending flag */
int current_state; /* Task state of the current line */
pid_t current_pid; /* Task PID of the current line */
pid_t next_pid; /* Task PID of the next line */
int intr_nest; /* Interrupt nest level */
bool pendingswitch; /* sched_switch pending flag */
int current_state; /* Task state of the current line */
pid_t current_pid; /* Task PID of the current line */
pid_t next_pid; /* Task PID of the next line */
uint8_t current_priority; /* Task Priority of the current line */
uint8_t next_priority; /* Task Priority of the next line */
};
struct trace_dump_task_context_s
@ -170,6 +172,8 @@ static void trace_dump_init_context(FAR struct trace_dump_context_s *ctx,
ctx->cpu[cpu].current_state = TSTATE_TASK_RUNNING;
ctx->cpu[cpu].current_pid = -1;
ctx->cpu[cpu].next_pid = -1;
ctx->cpu[cpu].current_priority = -1;
ctx->cpu[cpu].next_priority = -1;
}
ctx->task = NULL;
@ -342,6 +346,8 @@ static void trace_dump_sched_switch(FAR FILE *out,
FAR struct trace_dump_context_s *ctx)
{
FAR struct trace_dump_cpu_context_s *cctx;
uint8_t current_priority;
uint8_t next_priority;
pid_t current_pid;
pid_t next_pid;
#ifdef CONFIG_SMP
@ -354,14 +360,19 @@ static void trace_dump_sched_switch(FAR FILE *out,
current_pid = cctx->current_pid;
next_pid = cctx->next_pid;
current_priority = cctx->current_priority;
next_priority = cctx->next_priority;
fprintf(out, "sched_switch: "
"prev_comm=%s prev_pid=%u prev_state=%c ==> "
"next_comm=%s next_pid=%u\n",
"prev_comm=%s prev_pid=%u prev_prio=%u prev_state=%c ==> "
"next_comm=%s next_pid=%u next_prio=%u\n",
get_task_name(current_pid, ctx), get_pid(current_pid),
get_task_state(cctx->current_state),
get_task_name(next_pid, ctx), get_pid(next_pid));
current_priority, get_task_state(cctx->current_state),
get_task_name(next_pid, ctx), get_pid(next_pid),
next_priority);
cctx->current_pid = cctx->next_pid;
cctx->current_priority = cctx->next_priority;
cctx->pendingswitch = false;
}
#endif
@ -444,6 +455,7 @@ static int trace_dump_one(FAR FILE *out,
*/
cctx->next_pid = pid;
cctx->next_priority = note->nc_priority;
if (cctx->intr_nest == 0)
{