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Subject[tip:perf/core] perf top: Do not convert address for perf_top__record_precise_ip()
Commit-ID:  64226bcf64629996948dc03c38594f00511bfc2b
Gitweb: http://git.kernel.org/tip/64226bcf64629996948dc03c38594f00511bfc2b
Author: Namhyung Kim <namhyung@kernel.org>
AuthorDate: Fri, 11 Dec 2015 11:56:53 +0900
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Fri, 11 Dec 2015 08:33:18 -0300

perf top: Do not convert address for perf_top__record_precise_ip()

We call map->unmap_ip() before the function and call map->map_ip()
inside the function. This is meaningless and look strange since only
one of the two checks 'map'. Let's use al->addr directly.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1449802616-16170-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-top.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 785aa2d..3b0978e 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -189,8 +189,6 @@ static void perf_top__record_precise_ip(struct perf_top *top,
if (pthread_mutex_trylock(&notes->lock))
return;

- ip = he->ms.map->map_ip(he->ms.map, ip);
-
if (ui__has_annotation())
err = hist_entry__inc_addr_samples(he, counter, ip);

@@ -687,14 +685,8 @@ static int hist_iter__top_callback(struct hist_entry_iter *iter,
struct hist_entry *he = iter->he;
struct perf_evsel *evsel = iter->evsel;

- if (sort__has_sym && single) {
- u64 ip = al->addr;
-
- if (al->map)
- ip = al->map->unmap_ip(al->map, ip);
-
- perf_top__record_precise_ip(top, he, evsel->idx, ip);
- }
+ if (sort__has_sym && single)
+ perf_top__record_precise_ip(top, he, evsel->idx, al->addr);

hist__account_cycles(iter->sample->branch_stack, al, iter->sample,
!(top->record_opts.branch_stack & PERF_SAMPLE_BRANCH_ANY));

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