lkml.org 
[lkml]   [2016]   [May]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/8] perf tools: Omit DWARF judgement when recording dwarf callchain
Date
There's no need for dwarf support when perf recording with callchain.

Signed-off-by: He Kuang <hekuang@huawei.com>
---
tools/perf/util/util.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index b7766c5..e5ebfd4 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -471,7 +471,6 @@ int parse_callchain_record(const char *arg, struct callchain_param *param)
"needed for --call-graph fp\n");
break;

-#ifdef HAVE_DWARF_UNWIND_SUPPORT
/* Dwarf style */
} else if (!strncmp(name, "dwarf", sizeof("dwarf"))) {
const unsigned long default_stack_dump_size = 8192;
@@ -487,7 +486,6 @@ int parse_callchain_record(const char *arg, struct callchain_param *param)
ret = get_stack_size(tok, &size);
param->dump_size = size;
}
-#endif /* HAVE_DWARF_UNWIND_SUPPORT */
} else if (!strncmp(name, "lbr", sizeof("lbr"))) {
if (!strtok_r(NULL, ",", &saveptr)) {
param->record_mode = CALLCHAIN_LBR;
--
1.8.5.2
\
 
 \ /
  Last update: 2016-05-06 11:21    [W:0.107 / U:0.248 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site