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| author | Ingo Molnar <mingo@elte.hu> | 2011-07-01 10:34:09 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-07-01 10:34:24 +0200 |
| commit | 36b2e922b5acd291051fab25bc7535274ce49532 (patch) | |
| tree | ef4cdd6894075bb419cc31625b037f2b9212962f /kernel/trace/trace.h | |
| parent | e197f094b7da7d94812492cfcd706d143f1020e5 (diff) | |
| parent | b0af8dfdd67699e25083478c63eedef2e72ebd85 (diff) | |
| download | op-kernel-dev-36b2e922b5acd291051fab25bc7535274ce49532.zip op-kernel-dev-36b2e922b5acd291051fab25bc7535274ce49532.tar.gz | |
Merge commit 'v3.0-rc5' into sched/core
Merge reason: Move to a (much) newer base.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 6b69c4b..229f859 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -784,4 +784,19 @@ extern const char *__stop___trace_bprintk_fmt[]; FTRACE_ENTRY(call, struct_name, id, PARAMS(tstruct), PARAMS(print)) #include "trace_entries.h" +/* Only current can touch trace_recursion */ +#define trace_recursion_inc() do { (current)->trace_recursion++; } while (0) +#define trace_recursion_dec() do { (current)->trace_recursion--; } while (0) + +/* Ring buffer has the 10 LSB bits to count */ +#define trace_recursion_buffer() ((current)->trace_recursion & 0x3ff) + +/* for function tracing recursion */ +#define TRACE_INTERNAL_BIT (1<<11) +#define TRACE_GLOBAL_BIT (1<<12) + +#define trace_recursion_set(bit) do { (current)->trace_recursion |= (bit); } while (0) +#define trace_recursion_clear(bit) do { (current)->trace_recursion &= ~(bit); } while (0) +#define trace_recursion_test(bit) ((current)->trace_recursion & (bit)) + #endif /* _LINUX_KERNEL_TRACE_H */ |
