Commit-ID: 96d78059d6d9da45d77078a219924304860497f2
Gitweb: http://git.kernel.org/tip/96d78059d6d9da45d77078a219924304860497f2
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Tue, 4 Nov 2014 10:14:34 +0900
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 5 Nov 2014 10:14:09 -0300
perf tools: Make vmlinux short name more like kallsyms short name
The previous patch changed kernel dso name from '[kernel.kallsyms]' to
vmlinux. However it might add confusion to old users accustomed to the
old name. So change the short name to '[kernel.vmlinux]' to reduce such
confusion.
Before:
# Overhead Command Shared Object Symbol
# ........ .............. ....................... ...............................
#
9.83% swapper vmlinux [k] intel_idle
4.10% awk libc-2.20.so [.] __strcmp_sse2
1.86% sed libc-2.20.so [.] __strcmp_sse2
1.78% netctl-auto libc-2.20.so [.] __strcmp_sse2
1.23% netctl-auto libc-2.20.so [.] __mbrtowc
1.21% firefox libxul.so [.] 0x00000000024b62bd
1.20% swapper vmlinux [k] cpuidle_enter_state
1.03% sleep vmlinux [k] copy_user_generic_unrolled
After:
# Overhead Command Shared Object Symbol
# ........ .............. ....................... ...............................
#
9.83% swapper [kernel.vmlinux] [k] intel_idle
4.10% awk libc-2.20.so [.] __strcmp_sse2
1.86% sed libc-2.20.so [.] __strcmp_sse2
1.78% netctl-auto libc-2.20.so [.] __strcmp_sse2
1.23% netctl-auto libc-2.20.so [.] __mbrtowc
1.21% firefox libxul.so [.] 0x00000000024b62bd
1.20% swapper [kernel.vmlinux] [k] cpuidle_enter_state
1.03% sleep [kernel.vmlinux] [k] copy_user_generic_unrolled
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung.kim@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1415063674-17206-9-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/machine.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 53f90e9..52e9490 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1106,6 +1106,9 @@ static int machine__process_kernel_mmap_event(struct machine *machine,
if (__machine__create_kernel_maps(machine, kernel) < 0)
goto out_problem;
+ if (strstr(dso->long_name, "vmlinux"))
+ dso__set_short_name(dso, "[kernel.vmlinux]", false);
+
machine__set_kernel_mmap_len(machine, event);
/*
--
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