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author | Roberto Agostino Vitillo <ravitillo@lbl.gov> | 2012-02-09 23:21:01 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2012-03-09 08:26:04 +0100 |
commit | b5387528f31d98acedf06e930554b563d87e2383 (patch) | |
tree | 0a8fff59cc7d1392d7adfbbc0f9beacc9ca6d20b /tools/perf/perf.h | |
parent | d010b3326cf06b3406cdd88af16dcf4e4b6fec2e (diff) | |
download | op-kernel-dev-b5387528f31d98acedf06e930554b563d87e2383.zip op-kernel-dev-b5387528f31d98acedf06e930554b563d87e2383.tar.gz |
perf tools: Add code to support PERF_SAMPLE_BRANCH_STACK
This patch adds:
- ability to parse samples with PERF_SAMPLE_BRANCH_STACK
- sort on branches (dso_from, symbol_from, dso_to, symbol_to, mispredict)
- build histograms on branches
Signed-off-by: Roberto Agostino Vitillo <ravitillo@lbl.gov>
Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: peterz@infradead.org
Cc: acme@redhat.com
Cc: robert.richter@amd.com
Cc: ming.m.lin@intel.com
Cc: andi@firstfloor.org
Cc: asharma@fb.com
Cc: vweaver1@eecs.utk.edu
Cc: khandual@linux.vnet.ibm.com
Cc: dsahern@gmail.com
Link: http://lkml.kernel.org/r/1328826068-11713-12-git-send-email-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/perf.h')
-rw-r--r-- | tools/perf/perf.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/perf.h b/tools/perf/perf.h index f0227e9..358f401 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -179,6 +179,23 @@ struct ip_callchain { u64 ips[0]; }; +struct branch_flags { + u64 mispred:1; + u64 predicted:1; + u64 reserved:62; +}; + +struct branch_entry { + u64 from; + u64 to; + struct branch_flags flags; +}; + +struct branch_stack { + u64 nr; + struct branch_entry entries[0]; +}; + extern bool perf_host, perf_guest; extern const char perf_version_string[]; |