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Subject[PATCH 01/12] perf top: Remove redundant perf_top->sym_counter
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

We can get that counter index from perf_top->sym_evsel->idx instead.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-top.c | 11 ++++++-----
tools/perf/util/top.c | 2 +-
tools/perf/util/top.h | 2 +-
3 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 80c9e06..4bf6e02 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -515,24 +515,25 @@ static void handle_keypress(struct perf_session *session, int c)
break;
case 'E':
if (top.evlist->nr_entries > 1) {
+ int counter;
fprintf(stderr, "\nAvailable events:");

list_for_each_entry(top.sym_evsel, &top.evlist->entries, node)
fprintf(stderr, "\n\t%d %s", top.sym_evsel->idx, event_name(top.sym_evsel));

- prompt_integer(&top.sym_counter, "Enter details event counter");
+ prompt_integer(&counter, "Enter details event counter");

- if (top.sym_counter >= top.evlist->nr_entries) {
+ if (counter >= top.evlist->nr_entries) {
top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
- top.sym_counter = 0;
fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(top.sym_evsel));
sleep(1);
break;
}
list_for_each_entry(top.sym_evsel, &top.evlist->entries, node)
- if (top.sym_evsel->idx == top.sym_counter)
+ if (top.sym_evsel->idx == counter)
break;
- } else top.sym_counter = 0;
+ } else
+ top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
break;
case 'f':
prompt_integer(&top.count_filter, "Enter display event count filter");
diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c
index 75cfe4d..fcfb777 100644
--- a/tools/perf/util/top.c
+++ b/tools/perf/util/top.c
@@ -171,7 +171,7 @@ float perf_top__decay_samples(struct perf_top *top, struct rb_root *root)
{
struct sym_entry *syme, *n;
float sum_ksamples = 0.0;
- int snap = !top->display_weighted ? top->sym_counter : 0, j;
+ int snap = !top->display_weighted ? top->sym_evsel->idx : 0, j;

/* Sort the active symbols */
pthread_mutex_lock(&top->active_symbols_lock);
diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h
index 96d1cb7..96a7831 100644
--- a/tools/perf/util/top.h
+++ b/tools/perf/util/top.h
@@ -41,7 +41,7 @@ struct perf_top {
u64 exact_samples;
u64 guest_us_samples, guest_kernel_samples;
int print_entries, count_filter, delay_secs;
- int display_weighted, freq, rb_entries, sym_counter;
+ int display_weighted, freq, rb_entries;
pid_t target_pid, target_tid;
bool hide_kernel_symbols, hide_user_symbols, zero;
const char *cpu_list;
--
1.6.2.5


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