anchao commented on a change in pull request #5689:
URL: https://github.com/apache/incubator-nuttx/pull/5689#discussion_r821282854
##########
File path: drivers/segger/note_sysview.c
##########
@@ -310,6 +399,42 @@ void sched_note_irqhandler(int irq, FAR void *handler,
bool enter)
}
#endif
+#ifdef CONFIG_SCHED_INSTRUMENTATION_SYSCALL
+void sched_note_syscall_enter(int nr, int argc, ...)
+{
+ if (sysview_isenabled_syscall(nr) == 0)
+ {
+ return;
+ }
+
+ if (NOTE_FILTER_SYSCALLMASK_ISSET(nr, &g_sysview.syscall_active) == 0)
+ {
+ SEGGER_SYSVIEW_NameMarker(nr, g_funcnames[nr]);
+ NOTE_FILTER_SYSCALLMASK_SET(nr, &g_sysview.syscall_active);
+
+ if (NOTE_FILTER_SYSCALLMASK_ISSET(0, &g_sysview.syscall_active) == 0)
Review comment:
Use the Syscall "0" to identify whether the syscall is enabled, if the
host tool is closed abnormally, use this bit to clear the active set.
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