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| author | Roberto Agostino Vitillo <ravitillo@lbl.gov> | 2012-02-09 23:21:01 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-09 08:26:04 +0100 |
| commit | b5387528f31d98acedf06e930554b563d87e2383 (patch) | |
| tree | 0a8fff59cc7d1392d7adfbbc0f9beacc9ca6d20b /tools/perf/util/hist.h | |
| parent | perf: Add callback to flush branch_stack on context switch (diff) | |
| download | linux-b5387528f31d98acedf06e930554b563d87e2383.tar.xz linux-b5387528f31d98acedf06e930554b563d87e2383.zip | |
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/util/hist.h')
| -rw-r--r-- | tools/perf/util/hist.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 48e5acd1e862..9413f3e31fea 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -42,6 +42,11 @@ enum hist_column { HISTC_COMM, HISTC_PARENT, HISTC_CPU, + HISTC_MISPREDICT, + HISTC_SYMBOL_FROM, + HISTC_SYMBOL_TO, + HISTC_DSO_FROM, + HISTC_DSO_TO, HISTC_NR_COLS, /* Last entry */ }; @@ -74,6 +79,12 @@ int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size, struct hists *hists); void hist_entry__free(struct hist_entry *); +struct hist_entry *__hists__add_branch_entry(struct hists *self, + struct addr_location *al, + struct symbol *sym_parent, + struct branch_info *bi, + u64 period); + void hists__output_resort(struct hists *self); void hists__output_resort_threaded(struct hists *hists); void hists__collapse_resort(struct hists *self); |