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From: Wang Nan <wangnan0@huawei.com>
To: <acme@redhat.com>, <ast@plumgrid.com>,
	<masami.hiramatsu.pt@hitachi.com>, <namhyung@kernel.org>
Cc: <a.p.zijlstra@chello.nl>, <brendan.d.gregg@gmail.com>,
	<daniel@iogearbox.net>, <dsahern@gmail.com>, <hekuang@huawei.com>,
	<jolsa@kernel.org>, <lizefan@huawei.com>, <paulus@samba.org>,
	<wangnan0@huawei.com>, <xiakaixu@huawei.com>, <pi3orama@163.com>,
	<linux-kernel@vger.kernel.org>
Subject: [PATCH 23/27] perf record: Support custom vmlinux path
Date: Sun, 6 Sep 2015 07:13:39 +0000	[thread overview]
Message-ID: <1441523623-152703-24-git-send-email-wangnan0@huawei.com> (raw)
In-Reply-To: <1441523623-152703-1-git-send-email-wangnan0@huawei.com>

From: He Kuang <hekuang@huawei.com>

Make perf-record command support --vmlinux option if BPF_PROLOGUE is on.

'perf record' needs vmlinux as the source of DWARF info to generate
prologue for BPF programs, so path of vmlinux should be specified.

Short name 'k' has been taken by 'clockid'. This patch skips the short
option name and use '--vmlinux' for vmlinux path.

Signed-off-by: He Kuang <hekuang@huawei.com>
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Ahern <dsahern@gmail.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kaixu Xia <xiakaixu@huawei.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: http://lkml.kernel.org/n/1436445342-1402-38-git-send-email-wangnan0@huawei.com
---
 tools/perf/builtin-record.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 11e7d63..43ff231 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1103,6 +1103,10 @@ struct option __record_options[] = {
 		   "clang binary to use for compiling BPF scriptlets"),
 	OPT_STRING(0, "clang-opt", &llvm_param.clang_opt, "clang options",
 		   "options passed to clang when compiling BPF scriptlets"),
+#ifdef HAVE_BPF_PROLOGUE
+	OPT_STRING(0, "vmlinux", &symbol_conf.vmlinux_name,
+		   "file", "vmlinux pathname"),
+#endif
 #endif
 	OPT_END()
 };
-- 
2.1.0


  parent reply	other threads:[~2015-09-06  7:18 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-06  7:13 [GIT PULL 00/27] perf tools: filtering events using eBPF programs Wang Nan
2015-09-06  7:13 ` [PATCH 01/27] perf tools: Don't write to evsel if parser doesn't collect evsel Wang Nan
2015-09-23  8:43   ` [tip:perf/core] perf tools: Don' t assume that the parser returns non empty evsel list tip-bot for Wang Nan
2015-09-06  7:13 ` [PATCH 02/27] perf tools: Make perf depend on libbpf Wang Nan
2015-09-06  7:13 ` [PATCH 03/27] perf ebpf: Add the libbpf glue Wang Nan
2015-09-06  7:13 ` [PATCH 04/27] perf tools: Enable passing bpf object file to --event Wang Nan
2015-09-06  7:13 ` [PATCH 05/27] perf record, bpf: Parse and create probe points for BPF programs Wang Nan
2015-09-16 21:43   ` Arnaldo Carvalho de Melo
2015-09-17  2:04     ` Wangnan (F)
2015-09-06  7:13 ` [PATCH 06/27] perf bpf: Collect 'struct perf_probe_event' for bpf_program Wang Nan
2015-09-06  7:13 ` [PATCH 07/27] perf record: Load all eBPF object into kernel Wang Nan
2015-09-06  7:13 ` [PATCH 08/27] perf tools: Add bpf_fd field to evsel and config it Wang Nan
2015-09-06  7:13 ` [PATCH 09/27] perf tools: Attach eBPF program to perf event Wang Nan
2015-09-06  7:13 ` [PATCH 10/27] perf tools: Allow BPF placeholder dummy events to collect --filter options Wang Nan
2015-09-06  7:13 ` [PATCH 11/27] perf tools: Sync setting of real bpf events with placeholder Wang Nan
2015-09-06  7:13 ` [PATCH 12/27] perf record: Add clang options for compiling BPF scripts Wang Nan
2015-09-06  7:13 ` [PATCH 13/27] perf tools: Compile scriptlets to BPF objects when passing '.c' to --event Wang Nan
2015-09-06  7:13 ` [PATCH 14/27] perf test: Enforce LLVM test for BPF test Wang Nan
2015-09-06  7:13 ` [PATCH 15/27] perf test: Add 'perf test BPF' Wang Nan
2015-09-06  7:13 ` [PATCH 16/27] bpf tools: Load a program with different instances using preprocessor Wang Nan
2015-09-06  7:13 ` [PATCH 17/27] perf probe: Reset args and nargs for probe_trace_event when failure Wang Nan
2015-09-06  7:13 ` [PATCH 18/27] perf tools: Add BPF_PROLOGUE config options for further patches Wang Nan
2015-09-16  7:30   ` [tip:perf/core] perf tools: regs_query_register_offset() infrastructure tip-bot for Wang Nan
2015-09-06  7:13 ` [PATCH 19/27] perf tools: Introduce regs_query_register_offset() for x86 Wang Nan
2015-09-14 21:37   ` Arnaldo Carvalho de Melo
2015-09-15  1:36     ` Wangnan (F)
2015-09-16  7:30   ` [tip:perf/core] perf tools: Introduce regs_query_register_offset( ) " tip-bot for Wang Nan
2015-09-06  7:13 ` [PATCH 20/27] perf tools: Add prologue for BPF programs for fetching arguments Wang Nan
2015-09-06  7:13 ` [PATCH 21/27] perf tools: Generate prologue for BPF programs Wang Nan
2015-09-06  7:13 ` [PATCH 22/27] perf tools: Use same BPF program if arguments are identical Wang Nan
2015-09-06  7:13 ` Wang Nan [this message]
2015-09-06  7:13 ` [PATCH 24/27] perf probe: Init symbol as kprobe Wang Nan
2015-09-06  7:13 ` [PATCH 25/27] perf tools: Allow BPF program attach to uprobe events Wang Nan
2015-09-06  7:13 ` [PATCH 26/27] perf test: Enforce LLVM test, add kbuild test Wang Nan
2015-09-06  7:13 ` [PATCH 27/27] perf test: Test BPF prologue Wang Nan

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