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Subject[PATCH 157/161] perf annotate: Fix annotate_browser__callq()
Date
From: Adrian Hunter <adrian.hunter@intel.com>

When following a call, annotate_browser__callq() uses the current
symbol's map to look up the target ip. That will not work if the target
ip is on a map with a different mapping (i.e. start - pgoff is
different).

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1381747424-3557-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/ui/browsers/annotate.c | 21 ++++++++++-----------
1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 08545ae46992..57d3a8659fc0 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -442,35 +442,34 @@ static bool annotate_browser__callq(struct annotate_browser *browser,
{
struct map_symbol *ms = browser->b.priv;
struct disasm_line *dl = browser->selection;
- struct symbol *sym = ms->sym;
struct annotation *notes;
- struct symbol *target;
- u64 ip;
+ struct addr_map_symbol target = {
+ .map = ms->map,
+ .addr = dl->ops.target.addr,
+ };
char title[SYM_TITLE_MAX_SIZE];

if (!ins__is_call(dl->ins))
return false;

- ip = ms->map->map_ip(ms->map, dl->ops.target.addr);
- target = map__find_symbol(ms->map, ip, NULL);
- if (target == NULL) {
+ if (map_groups__find_ams(&target, NULL)) {
ui_helpline__puts("The called function was not found.");
return true;
}

- notes = symbol__annotation(target);
+ notes = symbol__annotation(target.sym);
pthread_mutex_lock(&notes->lock);

- if (notes->src == NULL && symbol__alloc_hist(target) < 0) {
+ if (notes->src == NULL && symbol__alloc_hist(target.sym) < 0) {
pthread_mutex_unlock(&notes->lock);
ui__warning("Not enough memory for annotating '%s' symbol!\n",
- target->name);
+ target.sym->name);
return true;
}

pthread_mutex_unlock(&notes->lock);
- symbol__tui_annotate(target, ms->map, evsel, hbt);
- sym_title(sym, ms->map, title, sizeof(title));
+ symbol__tui_annotate(target.sym, target.map, evsel, hbt);
+ sym_title(ms->sym, ms->map, title, sizeof(title));
ui_browser__show_title(&browser->b, title);
return true;
}
--
1.8.1.4


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