lkml.org 
[lkml]   [2014]   [Jan]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH V2 3/9] perf tools: Add machine__get_kallsyms_filename()
Date
Separate out the logic used to make the
kallsyms full path name for a machine.
It will be reused in a subsequent patch.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
tools/perf/util/machine.c | 19 +++++++++++--------
1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index ded7459..290c2e6 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -496,19 +496,22 @@ static int symbol__in_kernel(void *arg, const char *name,
return 1;
}

+static void machine__get_kallsyms_filename(struct machine *machine, char *buf,
+ size_t bufsz)
+{
+ if (machine__is_default_guest(machine))
+ scnprintf(buf, bufsz, "%s", symbol_conf.default_guest_kallsyms);
+ else
+ scnprintf(buf, bufsz, "%s/proc/kallsyms", machine->root_dir);
+}
+
/* Figure out the start address of kernel map from /proc/kallsyms */
static u64 machine__get_kernel_start_addr(struct machine *machine)
{
- const char *filename;
- char path[PATH_MAX];
+ char filename[PATH_MAX];
struct process_args args;

- if (machine__is_default_guest(machine))
- filename = (char *)symbol_conf.default_guest_kallsyms;
- else {
- sprintf(path, "%s/proc/kallsyms", machine->root_dir);
- filename = path;
- }
+ machine__get_kallsyms_filename(machine, filename, PATH_MAX);

if (symbol__restricted_filename(filename, "/proc/kallsyms"))
return 0;
--
1.7.11.7


\
 
 \ /
  Last update: 2014-01-29 15:41    [W:0.157 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site