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>
This commit is contained in:
Jiri Olsa 2012-12-01 21:56:03 +01:00 committed by Arnaldo Carvalho de Melo
parent e0af43d248
commit 1d81c7fc25

View File

@ -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);
}
}