perf_counter: add more context information

Put in counts to tell which ips belong to what context.

  -----
   | |  hv
   | --
nr | |  kernel
   | --
   | |  user
  -----

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Orig-LKML-Reference: <20090402091319.493101305@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 9bcab10e735d..f105a6e696c2 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -1819,7 +1819,7 @@ void perf_counter_output(struct perf_counter *counter,
                 callchain = perf_callchain(regs);
 
                 if (callchain) {
-                        callchain_size = (1 + callchain->nr) * sizeof(u64);
+                        callchain_size = (2 + callchain->nr) * sizeof(u64);
 
                         header.type |= __PERF_EVENT_CALLCHAIN;
                         header.size += callchain_size;