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From: He Kuang <hekuang@huawei.com>
To: <peterz@infradead.org>, <mingo@redhat.com>, <acme@kernel.org>,
	<alexander.shishkin@linux.intel.com>, <jolsa@redhat.com>,
	<wangnan0@huawei.com>, <hekuang@huawei.com>,
	<jpoimboe@redhat.com>, <ak@linux.intel.com>, <eranian@google.com>,
	<namhyung@kernel.org>, <adrian.hunter@intel.com>,
	<sukadev@linux.vnet.ibm.com>, <masami.hiramatsu.pt@hitachi.com>,
	<tumanova@linux.vnet.ibm.com>, <kan.liang@intel.com>,
	<penberg@kernel.org>, <dsahern@gmail.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: [PATCH 1/8] perf tools: Omit DWARF judgement when recording dwarf callchain
Date: Fri, 6 May 2016 08:59:07 +0000	[thread overview]
Message-ID: <1462525154-125656-2-git-send-email-hekuang@huawei.com> (raw)
In-Reply-To: <1462525154-125656-1-git-send-email-hekuang@huawei.com>

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

  reply	other threads:[~2016-05-06  9:05 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-06  8:59 [PATCH 0/8] Add support for remote unwind He Kuang
2016-05-06  8:59 ` He Kuang [this message]
2016-05-06 11:47   ` [PATCH 1/8] perf tools: Omit DWARF judgement when recording dwarf callchain Arnaldo Carvalho de Melo
2016-05-07 18:03   ` Jiri Olsa
2016-05-09 16:16     ` Arnaldo Carvalho de Melo
2016-05-10  1:44       ` Hekuang
2016-05-10 20:30   ` [tip:perf/core] perf callchain: Recording 'dwarf' callchains do not need DWARF unwinding support tip-bot for He Kuang
2016-05-06  8:59 ` [PATCH 2/8] perf script: Add options for custom vdso name He Kuang
2016-05-06 11:49   ` Arnaldo Carvalho de Melo
2016-05-07 18:14   ` Jiri Olsa
2016-05-06  8:59 ` [PATCH 3/8] perf build: Add build-test for libunwind cross-platforms support He Kuang
2016-05-07 18:20   ` Jiri Olsa
2016-05-06  8:59 ` [PATCH 4/8] perf build: Add build-test for debug-frame on arm/arm64 He Kuang
2016-05-07 18:24   ` Jiri Olsa
2016-05-06  8:59 ` [PATCH 5/8] perf tools: Promote proper messages for cross-platform unwind He Kuang
2016-05-07 18:41   ` Jiri Olsa
2016-05-07 18:42   ` Jiri Olsa
2016-05-06  8:59 ` [PATCH 6/8] perf callchain: Add support " He Kuang
2016-05-06 11:56   ` Arnaldo Carvalho de Melo
2016-05-06  8:59 ` [PATCH 7/8] perf callchain: Support x86 target platform He Kuang
2016-05-06  8:59 ` [PATCH 8/8] perf callchain: Support aarch64 cross-platform He Kuang
2016-05-06 11:58 ` [PATCH 0/8] Add support for remote unwind Arnaldo Carvalho de Melo

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