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authorJiri Olsa <jolsa@redhat.com>2012-12-01 21:56:03 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-07-12 13:54:06 -0300
commit1d81c7fc25c0f0559e3306fc73ecfe78b740c9e8 (patch)
treefd4267512319a41bc98f3f1d50b2da447938f5e7 /tools/perf/builtin-diff.c
parente0af43d2486fc50208076cfd93af55615fd4adfd (diff)
perf diff: Display data file info ahead of the diff output
Data files are referenced through the index of the file on the command line. Adding list of data files for each index to ease up navigation for user. It's displayed only if in verbose mode. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/n/tip-dfjxa6n116ughjjxohpkuvi8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-diff.c')
-rw-r--r--tools/perf/builtin-diff.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 0cfe99ea905..9574ba18bc7 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -481,6 +481,21 @@ static void hists__process(struct hists *base, struct hists *new)
hists__fprintf(base, true, 0, 0, 0, stdout);
}
+static void data__fprintf(void)
+{
+ struct data__file *d;
+ int i;
+
+ fprintf(stdout, "# Data files:\n");
+
+ data__for_each_file(i, d)
+ fprintf(stdout, "# [%d] %s %s\n",
+ d->idx, d->file,
+ !d->idx ? "(Baseline)" : "");
+
+ fprintf(stdout, "#\n");
+}
+
static void data_process(void)
{
struct perf_evlist *evlist_old = data__files[0].session->evlist;
@@ -500,6 +515,9 @@ static void data_process(void)
first = false;
+ if (verbose)
+ data__fprintf();
+
hists__process(&evsel_old->hists, &evsel_new->hists);
}
}