Re: [PATCH v5 5/7] perf report: Sort by sampled cycles percent per block for stdio

From: Jin, Yao
Date: Mon Nov 04 2019 - 22:41:51 EST




On 11/4/2019 10:04 PM, Jiri Olsa wrote:
On Wed, Oct 30, 2019 at 02:04:28PM +0800, Jin Yao wrote:

SNIP

+static int hists__fprintf_all_blocks(struct block_hist *bh)
+{
+ symbol_conf.report_individual_block = true;
+ hists__fprintf(&bh->block_hists, true, 0, 0, 0,
+ stdout, true);
+ hists__delete_entries(&bh->block_hists);
+ return 0;
+}
+
static int perf_evlist__tty_browse_hists(struct evlist *evlist,
struct report *rep,
const char *help)
{
struct evsel *pos;
+ int i = 0;
if (!quiet) {
fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n",
@@ -494,12 +509,20 @@ static int perf_evlist__tty_browse_hists(struct evlist *evlist,
evlist__for_each_entry(evlist, pos) {
struct hists *hists = evsel__hists(pos);
const char *evname = perf_evsel__name(pos);
+ struct block_hist *block_hist;
if (symbol_conf.event_group &&
!perf_evsel__is_group_leader(pos))
continue;
hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
+
+ if (rep->total_cycles_mode) {
+ block_hist = &rep->block_reports[i++].hist;
+ hists__fprintf_all_blocks(block_hist);
+ continue;
+ }

hum, you don't need evsel in here, please make separate function like
perf_evlist__tty_browse_block_hists, where you will iterate directly
block_reports[i++]

IMO the best would be to have report__browse_block_hists in block-info.c
and handle all display modes from there

that's probably the last thing that would be moved to block-info.c
other than that I think the patchset is ok

thanks,
jirka


Thanks Jiri!

I just posted v6 which moved more block display codes from builtin-report.c to block-info.c. That should let the code be more clear.

Thanks
Jin Yao