Drop KTR records when we're in the debugger so that the debugger isn't

changing or overwriting the trace buffer. When KTR is enabled for things
like traps or pmap functions, the amount of logging can be substantial.

This commit is contained in:

Marcel Moolenaar

2014-07-02 22:13:07 +00:00

parent 7cc2e524b5

commit 054b57a740

1 changed files with 2 additions and 1 deletions

									
										sys/kern/kern_ktr.c
									
		+2
		-1
	
												View File
												
				@@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$");

				#include <sys/alq.h>

				#include <sys/cons.h>

				#include <sys/cpuset.h>

				#include <sys/kdb.h>

				#include <sys/kernel.h>

				#include <sys/ktr.h>

				#include <sys/libkern.h>

				@@ -323,7 +324,7 @@ ktr_tracepoint(u_int mask, const char *file, int line, const char *format,

				#endif

					int cpu;

					if (panicstr)

					if (panicstr || kdb_active)

						return;

					if ((ktr_mask & mask) == 0 || ktr_buf == NULL)

						return;