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Add task name recording support for trace command

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Nakamura, Yuuichi 2020-10-28 10:48:48 +09:00 committed by Xiang Xiao
parent fce08ec029
commit e6e435572b
1 changed files with 20 additions and 2 deletions
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22
system/trace/trace_dump.c
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@ -91,6 +91,7 @@ struct trace_dump_context_s
{ {
struct trace_dump_cpu_context_s cpu[NCPUS]; struct trace_dump_cpu_context_s cpu[NCPUS];
FAR struct trace_dump_task_context_s *task; FAR struct trace_dump_task_context_s *task;
int notefd;
}; };
/**************************************************************************** /****************************************************************************
@ -125,12 +126,15 @@ static void note_ioctl(int cmd, unsigned long arg)
* Name: trace_dump_init_context * Name: trace_dump_init_context
****************************************************************************/ ****************************************************************************/
static void trace_dump_init_context(FAR struct trace_dump_context_s *ctx) static void trace_dump_init_context(FAR struct trace_dump_context_s *ctx,
int fd)
{ {
int cpu; int cpu;
/* Initialize the trace dump context */ /* Initialize the trace dump context */
ctx->notefd = fd;
for (cpu = 0; cpu < NCPUS; cpu++) for (cpu = 0; cpu < NCPUS; cpu++)
{ {
ctx->cpu[cpu].intr_nest = 0; ctx->cpu[cpu].intr_nest = 0;
@ -222,6 +226,20 @@ FAR static struct trace_dump_task_context_s *get_task_context(pid_t pid,
(*tctxp)->pid = pid; (*tctxp)->pid = pid;
(*tctxp)->syscall_nest = 0; (*tctxp)->syscall_nest = 0;
(*tctxp)->name[0] = '\0'; (*tctxp)->name[0] = '\0';
#if CONFIG_DRIVER_NOTERAM_TASKNAME_BUFSIZE > 0
{
struct noteram_get_taskname_s tnm;
int res;
tnm.pid = pid;
res = ioctl(ctx->notefd, NOTERAM_GETTASKNAME, (unsigned long)&tnm);
if (res == 0)
{
copy_task_name((*tctxp)->name, tnm.taskname);
}
}
#endif
} }
return *tctxp; return *tctxp;
@ -638,7 +656,7 @@ int trace_dump(FAR FILE *out)
return ERROR; return ERROR;
} }
trace_dump_init_context(&ctx); trace_dump_init_context(&ctx, fd);
/* Read and output all notes */ /* Read and output all notes */