leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

perf report: Fix initializion of annotate symbol priv area

Browse Source 
We only allocate it when in TUI mode. In --stdio mode unconditionally
initializing this area leads to memory corruption.

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>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-02-11 12:09:54 -02:00
parent 7c940c18c5
commit 0849327d13
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
tools/perf/builtin-report.c
View File

@ -44,6 +44,7 @@ static const char default_pretty_printing_style[] = "normal";
static const char *pretty_printing_style = default_pretty_printing_style;
static char callchain_default_opt[] = "fractal,0.5";
static symbol_filter_t annotate_init;
static struct hists *perf_session__hists_findnew(struct perf_session *self,
u64 event_stream, u32 type,
@ -167,7 +168,7 @@ static int process_sample_event(union perf_event *event,
struct perf_event_attr *attr;
if (perf_event__preprocess_sample(event, session, &al, sample,
symbol__annotate_init) < 0) {
annotate_init) < 0) {
fprintf(stderr, "problem processing %d event, skipping it.\n",
event->header.type);
return -1;
@ -520,6 +521,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
*/
if (use_browser > 0) {
symbol_conf.priv_size = sizeof(struct annotation);
annotate_init = symbol__annotate_init;
/*
* For searching by name on the "Browse map details".
* providing it only in verbose mode not to bloat too