Re: [PATCH v3 1/5] perf util: Cleanup and refactor block info functions

From: Jin, Yao
Date: Wed Oct 23 2019 - 08:47:43 EST




On 10/23/2019 7:37 PM, Jiri Olsa wrote:
On Tue, Oct 22, 2019 at 04:07:06PM +0800, Jin Yao wrote:

SNIP

-static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
-{
- /* Skip the calculation of column length in output_resort */
- he->filtered = true;
- return 0;
-}

please move this change into separate patch and explain in changelog
why this is necessary

thanks,
jirka


Got it. I will move this change into a separate patch.

Thanks
Jin Yao

-
static void hists__precompute(struct hists *hists)
{
struct rb_root_cached *root;
@@ -792,8 +695,11 @@ static void hists__precompute(struct hists *hists)
he = rb_entry(next, struct hist_entry, rb_node_in);
next = rb_next(&he->rb_node_in);
- if (compute == COMPUTE_CYCLES)
- process_block_per_sym(he);
+ if (compute == COMPUTE_CYCLES) {
+ bh = container_of(he, struct block_hist, he);
+ init_block_hist(bh);
+ block_info__process_sym(he, bh, NULL, 0);
+ }
data__for_each_file_new(i, d) {
pair = get_pair_data(he, d);
@@ -812,16 +718,18 @@ static void hists__precompute(struct hists *hists)
compute_wdiff(he, pair);
break;
case COMPUTE_CYCLES:
- process_block_per_sym(pair);
- bh = container_of(he, struct block_hist, he);
pair_bh = container_of(pair, struct block_hist,
he);
+ init_block_hist(pair_bh);
+ block_info__process_sym(pair, pair_bh, NULL, 0);
+
+ bh = container_of(he, struct block_hist, he);
if (bh->valid && pair_bh->valid) {
block_hists_match(&bh->block_hists,
&pair_bh->block_hists);
- hists__output_resort_cb(&pair_bh->block_hists,
- NULL, filter_cb);
+ hists__output_resort(&pair_bh->block_hists,
+ NULL);
}
break;
default:

SNIP

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 679a1d75090c..a7fa061987e4 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -18,6 +18,7 @@
#include "srcline.h"
#include "symbol.h"
#include "thread.h"
+#include "block-info.h"
#include "ui/progress.h"
#include <errno.h>
#include <math.h>
@@ -80,6 +81,8 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
int symlen;
u16 len;
+ if (h->block_info)
+ return;
/*
* +4 accounts for '[x] ' priv level info
* +2 accounts for 0x prefix on raw addresses

SNIP