diff options
author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-04-06 11:45:00 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-07 10:48:54 +0200 |
commit | 9c03d88e328d5f28f13191622c2ea1349c36b799 (patch) | |
tree | 3c9c9757f9cada69ac32a04dba7e18be99d224dc /include/linux/perf_counter.h | |
parent | a2e87d06ddbe6e6fdb8d6d2e5e985efe4efb07dd (diff) |
perf_counter: add more context information
Change the callchain context entries to u16, so as to gain some space.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <20090406094517.457320003@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/perf_counter.h')
-rw-r--r-- | include/linux/perf_counter.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index e22ab47a2f4..f9d5cf0bfbd 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -507,10 +507,10 @@ extern void perf_counter_mmap(unsigned long addr, unsigned long len, extern void perf_counter_munmap(unsigned long addr, unsigned long len, unsigned long pgoff, struct file *file); -#define MAX_STACK_DEPTH 254 +#define MAX_STACK_DEPTH 255 struct perf_callchain_entry { - u32 nr, hv, kernel, user; + u16 nr, hv, kernel, user; u64 ip[MAX_STACK_DEPTH]; }; |