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

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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
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=268186
1 changed files with 2 additions and 1 deletions
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3
sys/kern/kern_ktr.c
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@ -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;