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perf annotate: Automatically pick up vmlinux in the local directory

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Right now kernel debug info does not get resolved by default, because
we dont know where to look for the vmlinux.

The -k option can be used for that - but if no option is given, pick
up vmlinux files in the current directory - in case a kernel hacker
runs profiling from the source directory that the kernel was built in.

The real solution would be to embedd the location (and perhaps the
date/timestamp) of the vmlinux file in /proc/kallsyms, so that
tools can pick it up automatically.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2009-06-06 21:17:03 +02:00
parent 8953645fec
commit 39273ee975
1 changed files with 1 additions and 1 deletions
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2
tools/perf/builtin-annotate.c
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@ -26,7 +26,7 @@
#define SHOW_HV 4
static char const *input_name = "perf.data";
static char *vmlinux = NULL;
static char *vmlinux = "vmlinux";
static char default_sort_order[] = "comm,symbol";
static char *sort_order = default_sort_order;