From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Adrian Hunter <adrian.hunter@intel.com>,
David Ahern <dsahern@gmail.com>, Jiri Olsa <jolsa@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Wang Nan <wangnan0@huawei.com>
Subject: [PATCH 19/19] perf trace: Print unresolved symbol names as addresses
Date: Mon, 11 Apr 2016 22:53:50 -0300 [thread overview]
Message-ID: <1460426030-27319-20-git-send-email-acme@kernel.org> (raw)
In-Reply-To: <1460426030-27319-1-git-send-email-acme@kernel.org>
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Instead of having "[unknown]" as the name used for unresolved symbols,
use the address in the callchain, in hexadecimal form:
28.801 ( 0.007 ms): qemu-system-x8/10065 ppoll(ufds: 0x55c98b39e400, nfds: 72, tsp: 0x7fffe4e4fe60, sigsetsize: 8) = 0 Timeout
ppoll+0x91 (/usr/lib64/libc-2.22.so)
[0x337309] (/usr/bin/qemu-system-x86_64)
[0x336ab4] (/usr/bin/qemu-system-x86_64)
main+0x1724 (/usr/bin/qemu-system-x86_64)
__libc_start_main+0xf0 (/usr/lib64/libc-2.22.so)
[0xc59a9] (/usr/bin/qemu-system-x86_64)
35.265 (14.805 ms): gnome-shell/2287 ... [continued]: poll()) = 1
[0xf6fdd] (/usr/lib64/libc-2.22.so)
g_main_context_iterate.isra.29+0x17c (/usr/lib64/libglib-2.0.so.0.4600.2)
g_main_loop_run+0xc2 (/usr/lib64/libglib-2.0.so.0.4600.2)
meta_run+0x2c (/usr/lib64/libmutter.so.0.0.0)
main+0x3f7 (/usr/bin/gnome-shell)
__libc_start_main+0xf0 (/usr/lib64/libc-2.22.so)
[0x2909] (/usr/bin/gnome-shell)
Suggested-by: Milian Wolff <milian.wolff@kdab.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-fja1ods5vqpg42mdz09xcz3r@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-trace.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 60ab7ce3bc90..2ec53edcf649 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2196,8 +2196,9 @@ signed_print:
if (sample->callchain) {
struct addr_location al;
/* TODO: user-configurable print_opts */
- const unsigned int print_opts = PRINT_IP_OPT_SYM
- | PRINT_IP_OPT_DSO;
+ const unsigned int print_opts = PRINT_IP_OPT_SYM |
+ PRINT_IP_OPT_DSO |
+ PRINT_IP_OPT_UNKNOWN_AS_ADDR;
if (machine__resolve(trace->host, &al, sample) < 0) {
pr_err("problem processing %d event, skipping it.\n",
--
2.5.5
next prev parent reply other threads:[~2016-04-12 1:58 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-12 1:53 [GIT PULL 00/19] perf/core improvements Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 01/19] perf script: Use readdir() instead of deprecated readdir_r() Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 02/19] perf thread_map: " Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 03/19] perf tools: " Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 04/19] " Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 05/19] perf dwarf: Guard !x86_64 definitions under #ifdef else clause Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 06/19] perf bpf: Clone bpf stdout events in multiple bpf scripts Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 07/19] perf bpf: Automatically create bpf-output event __bpf_stdout__ Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 08/19] perf evsel: Allow specifying a file to output in perf_evsel__print_ip Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 09/19] perf evsel: Allow passing a left alignment when printing a symbol Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 10/19] perf trace: Add support for printing call chains on sys_exit events Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 11/19] perf evsel: Rename print_ip() to fprintf_sym() Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 12/19] perf evsel: Introduce fprintf_callchain() method out of fprintf_sym() Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 13/19] perf trace: Exclude the kernel part of the callchain leading to a syscall Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 14/19] perf evsel: Do not use globals in config() Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 15/19] perf evlist: Add (reset,set)_sample_bit methods Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 16/19] perf evsel: Rename config_callgraph() to config_callchain() and make it public Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 17/19] perf trace: Make "--call-graph" affect just "raw_syscalls:sys_exit" Arnaldo Carvalho de Melo
2016-04-12 1:53 ` [PATCH 18/19] perf evsel: Allow unresolved symbol names to be printed as addresses Arnaldo Carvalho de Melo
2016-04-12 1:53 ` Arnaldo Carvalho de Melo [this message]
2016-04-13 7:03 ` [GIT PULL 00/19] perf/core improvements Ingo Molnar
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